Car lamp tool facilitating adjustment of cut-off line diaphragm
By designing a tool for easy adjustment for the car lights, using the combined structure of the aperture adjustment ring and the upper lens holder, the problems of low cut-off line aperture adjustment accuracy and long time during the assembly process of the existing car lights are solved, and more efficient and consistent aperture adjustment is achieved.
Patent Information
- Application Number
- CN202420632716.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-29
AI Technical Summary
During the assembly process of existing car lights, it is difficult to achieve the accuracy of adjusting the cut-off line stop 0.01mm, and the adjustment time is long and the spot consistency is poor.
A vehicle light tool for easy adjustment of the cut-off line diaphragm is designed. Through the combination of the aperture adjustment ring and the upper lens holder, the vertical and horizontal position adjustment of the cut-off line diaphragm is achieved by using the connection method of the external thread and the internal thread.
Adjustment by rotating the aperture adjustment ring and the reserved hole of the upper lens holder is significantly improved to adjust the accuracy and speed of the cut-off line aperture, shortening assembly time, and improving the consistency of the spot.
Smart Images

Figure CN222561834U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cut-off line diaphragm adjustment, and in particular relates to a tool for a vehicle lamp which is convenient for adjusting the cut-off line diaphragm. Background Art
[0002] During the assembly process of existing vehicle lamps, it is necessary to adjust the horizontal and vertical positions of the cut-off line aperture.
[0003] In the traditional assembly method, the light source structure generally adopts an integrated structure. The height adjustment of the cut-off diaphragm is generally carried out by padding the cut-off diaphragm, and the horizontal adjustment is generally carried out by moving the cut-off diaphragm back and forth with tweezers to find a suitable position. However, since the adjustment accuracy of the cut-off diaphragm is 0.01mm, this operation method is extremely difficult and time-consuming, and the consistency of the light spot after adjustment is poor. Utility Model Content
[0004] The utility model aims to provide a tool for a vehicle lamp which is convenient for adjusting a cut-off line aperture, so as to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above technical purpose, the technical solution of the utility model is:
[0006] A tool for a vehicle lamp that is convenient for adjusting a cutoff diaphragm, comprising an diaphragm adjustment ring, a cutoff diaphragm fixedly arranged on the top of the diaphragm adjustment ring, an external thread arranged on the outside of the diaphragm adjustment ring, an upper lens seat threadedly connected to the top of the diaphragm adjustment ring via the external thread, two reserved holes relatively arranged on the side wall of the upper lens seat near the bottom, an internal thread arranged on the inner wall of the diaphragm adjustment ring near the bottom, a lower lens seat threadedly connected to the bottom of the diaphragm adjustment ring via the internal thread, and a light source arranged below the lower lens seat.
[0007] As an improvement, a cemented lens and a first plano-convex lens are fixedly disposed in the upper lens seat, the first plano-convex lens is located above the cemented lens, an anti-reflection glass is disposed on the top of the upper lens seat, and two convex lenses are fixedly disposed inside the lower lens seat.
[0008] As a further improvement, a light source fixing seat is fixedly provided at the bottom of the lower lens seat, and the light source is fixedly arranged in the light source fixing seat.
[0009] As a further improvement, a second plano-convex lens is fixedly provided inside the light source fixing seat above the light source.
[0010] As a further improvement, a first boss matched with the cemented lens is provided inside the upper lens seat, and the inner wall of the upper lens seat extends toward the center to form a bottom wall of the first boss.
[0011] As a further improvement, an opening is provided on the side wall of the aperture adjustment ring, a scattering sheet is provided inside the aperture adjustment ring, a second boss is provided on the inner wall of the aperture adjustment ring, and the scattering sheet is arranged on the second boss.
[0012] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0013] The utility model provides a tool for a vehicle lamp which is convenient for adjusting a cut-off line diaphragm. By rotating the diaphragm adjustment ring, the position between the diaphragm adjustment ring and the upper lens seat is adjusted to achieve the function of adjusting the vertical position of the cut-off line diaphragm. The horizontal position of the cut-off line diaphragm on the diaphragm adjustment ring is adjusted through two reserved holes of the upper lens seat, so that the adjustment of the cut-off line diaphragm is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the front view of this embodiment;
[0015] Figure 2 is a cross-sectional view of this embodiment;
[0016] Wherein: 1-aperture adjustment ring, 2-cut-off line aperture, 3-upper lens seat, 4-reserved hole, 5-lower lens seat, 6-light source fixing seat, 7-light source, 8-cemented lens, 9-first plano-convex lens, 10-antireflection glass, 11-second plano-convex lens, 12-first boss, 13-second boss, 14-opening. DETAILED DESCRIPTION
[0017] The present invention is further described below in conjunction with the specific implementation methods and the accompanying drawings. The accompanying drawings are only for illustrative purposes and are only schematic diagrams, not actual drawings, and should not be construed as limiting the present application. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.
[0018] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0019] like Figure 1-2 As shown, a tool for a vehicle lamp that is convenient for adjusting a cutoff aperture 2 comprises an aperture adjustment ring 1, a cutoff aperture 2 is arranged on the top of the aperture adjustment ring 1, an external thread is arranged on the outside of the aperture adjustment ring 1, an upper lens seat 3 is threadedly connected to the top of the aperture adjustment ring 1 via the external thread, two reserved holes 4 are relatively arranged on the side wall of the upper lens seat 3 near the bottom, an internal thread is arranged on the inner wall of the aperture adjustment ring 1 near the bottom, a lower lens seat 5 is threadedly connected to the bottom of the aperture adjustment ring 1 via the internal thread, a light source 7 fixing seat 6 is fixedly arranged on the bottom of the lower lens seat 5, and a light source 7 is fixedly arranged in the light source 7 fixing seat 6.
[0020] By rotating the aperture adjustment ring 1 and adjusting the position between the aperture adjustment ring 1 and the upper lens seat 3, the vertical position of the cut-off line aperture 2 can be adjusted. The horizontal position of the cut-off line aperture 2 on the aperture adjustment ring 1 can be adjusted through the two reserved holes 4 on the upper lens seat 3, making the adjustment of the cut-off line aperture 2 more convenient and quick.
[0021] In this embodiment, a cemented lens 8 and a first plano-convex lens 9 are fixedly disposed in the upper lens seat 3 , the first plano-convex lens 9 is located above the cemented lens 8 , an antireflection glass 10 is disposed on the top of the upper lens seat 3 , and two convex lenses are fixedly disposed inside the lower lens seat 5 .
[0022] In this embodiment, a second plano-convex lens 11 is fixedly disposed inside the light source 7 fixing base 6 above the light source 7 .
[0023] In this embodiment, a first boss 12 adapted to the cemented lens 8 is provided inside the upper lens seat 3, and the inner wall of the upper lens seat 3 extends toward the center to form the bottom wall of the first boss 12. The cemented lens 8 is located on the first boss 12 and the cemented lens 8 and the side wall of the upper lens seat 3 are interference fit.
[0024] In this embodiment, an opening 14 is provided on the side wall of the aperture adjustment ring 1 , a scattering sheet is provided inside the aperture adjustment ring 1 , a second boss 13 is provided on the inner wall of the aperture adjustment ring 1 , and the scattering sheet is arranged on the second boss 13 .
[0025] When the utility model is used, firstly, a common circular aperture type diaphragm is bonded to the glass, and then the glass is fixed on the top of the diaphragm adjustment ring 1, wherein the circular aperture type diaphragm and the glass are used as reference diaphragms to replace the imaging effect of the cut-off line diaphragm 2, and then the diaphragm adjustment ring 1 is rotated to adjust the position between the diaphragm adjustment ring 1 and the upper lens seat 3 until the reference diaphragm can clean the image in the far field, so as to achieve the effect of adjusting the vertical position of the cut-off line diaphragm 2. At this time, the position between the diaphragm adjustment ring 1 and the upper lens seat 3 is fixed, and then the reference diaphragm is removed, and the cut-off line diaphragm 2 is placed on the top of the diaphragm adjustment ring 1 through the reserved hole 4, and the horizontal position of the cut-off line diaphragm 2 is adjusted through the reserved hole 4.
[0026] The utility model can quickly find the position of the cut-off line diaphragm, shortens the assembly time, and makes the adjustment of the cut-off line diaphragm more convenient and quick.
[0027] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.
Claims
1. A tool for a vehicle lamp for facilitating adjustment of a cut-off line aperture, comprising an aperture adjustment ring, characterized in that: A cut-off line diaphragm is fixedly arranged on the top of the diaphragm adjustment ring, an external thread is arranged on the outside of the diaphragm adjustment ring, an upper lens seat is threadedly connected to the top of the diaphragm adjustment ring via the external thread, two reserved holes are relatively arranged on the side wall of the upper lens seat near the bottom, an internal thread is arranged on the inner wall of the diaphragm adjustment ring near the bottom, the bottom of the diaphragm adjustment ring is threadedly connected to the lower lens seat via the internal thread, and a light source is arranged below the lower lens seat.
2. The tooling for vehicle lamps for facilitating adjustment of the cut-off line aperture according to claim 1, characterized in that: A cemented lens and a first plano-convex lens are fixedly arranged in the upper lens seat, wherein the first plano-convex lens is located above the cemented lens. An anti-reflection glass is arranged on the top of the upper lens seat, and two convex lenses are fixedly arranged inside the lower lens seat.
3. The tooling for vehicle lamps for facilitating adjustment of the cut-off line aperture according to claim 2, characterized in that: A light source fixing seat is fixedly arranged at the bottom of the lower lens seat, and the light source is fixedly arranged in the light source fixing seat.
4. The tool for a vehicle lamp for facilitating adjustment of a cut-off aperture according to claim 3, characterized in that: A second plano-convex lens is fixedly disposed inside the light source fixing seat above the light source.
5. The tool for a vehicle lamp for facilitating adjustment of a cut-off aperture according to claim 2, characterized in that: A first boss matched with the cemented lens is arranged inside the upper lens seat, and the inner wall of the upper lens seat extends toward the center to form the bottom wall of the first boss.
6. The tool for a vehicle lamp for facilitating adjustment of a cut-off aperture according to any one of claims 1 to 5, characterized in that: An opening is provided on the side wall of the aperture adjustment ring, a scattering sheet is provided inside the aperture adjustment ring, a second boss is provided on the inner wall of the aperture adjustment ring, and the scattering sheet is arranged on the second boss.