A knurled double-thread adjusting rod for automobile lamp cluster

Abstract

The utility model discloses a kind of knurling double-thread adjusting rods of automobile lamp group, it is related to the technical field of automobile lamp group adjusting rod, including light pole and antiskid rod, the right side of the light pole is provided with double thread rod, the left side of the light pole is equipped with limit ring, and the left end of limit ring is equipped with antiskid rod, and diamond knurling is provided on the antiskid rod.The knurling double-thread adjusting rod of automobile lamp group, double thread rod is compared with traditional single thread structure, and the adjusting stroke of each rotation is longer, the rotation number when the angle of lamp group is greatly adjusted is greatly reduced, and the operation time of maintenance is reduced;Diamond knurling on antiskid rod increases holding friction, avoids hand-off under oily dirt, humid environment, and improves the smoothness of adjustment operation.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive lamp adjustment rods, specifically a knurled dual-thread adjustment rod for automotive lamps. Background Technology

[0002] As the core lighting component for vehicles driving at night and in inclement weather, the accuracy of the beam angle and height of automotive lights directly affects driving safety. Low beams need to ensure clear road illumination without glare for oncoming vehicles, while high beams need to illuminate at a long distance to expand the field of vision. If the beam angle is off, it can lead to poor lighting performance or even cause glare for oncoming drivers, increasing the risk of traffic accidents.

[0003] The automotive headlight adjustment lever is a key component for fine-tuning the headlight angle. Rotating the lever drives the internal adjustment mechanism of the headlight assembly, such as a screw slider or connecting rod assembly, to achieve precise calibration of the light height and horizontal direction. It is widely used in headlights, fog lights, and other headlight assemblies in passenger cars and commercial vehicles. As automotive lighting technology develops towards "intelligent and high-precision" applications, the requirements for the convenience, stability, and accuracy of headlight adjustment are becoming increasingly stringent.

[0004] Traditional automotive headlight adjustment levers often employ a single-thread structure and a smooth surface design, which presents significant technical shortcomings. First, the adjustment stroke of a single-threaded adjusting rod is fixed and short per rotation. To achieve a significant adjustment of the lamp angle, the adjusting rod needs to be rotated dozens of times, which is cumbersome and time-consuming. This frequent adjustment reduces work efficiency, especially during vehicle maintenance. Second, the pitch of the single-threaded structure is large, making it difficult to precisely control the stroke during fine adjustments. This can easily lead to over-adjustment, causing the lamp angle to deviate beyond the standard range and affecting the lighting effect. Third, the single-threaded structure is prone to thread loosening under vibration, causing the lamp angle to shift on its own. This requires frequent recalibration and makes it difficult to guarantee lighting stability during long-term use.

[0005] Therefore, we propose a knurled dual-thread adjustment lever for automotive headlights to address the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a knurled dual-thread adjustment rod for automotive headlights to solve the problems mentioned in the background art. Currently available adjustment rods have short adjustment strokes, require frequent rotation for large adjustments, are cumbersome and time-consuming to operate, and reduce maintenance efficiency; have large pitches, resulting in insufficient stroke control precision during fine adjustments, easily leading to over-adjustment and excessive headlight angle, affecting lighting performance; and are prone to loosening under vibration, causing headlight angle to deviate on its own, requiring frequent calibration and making it difficult to guarantee long-term lighting stability.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a knurled dual-thread adjustment rod for automotive headlights, comprising a guide rod and an anti-slip rod, wherein a double-threaded rod is provided on the right side of the guide rod, a limit ring is installed on the left side of the guide rod, and an anti-slip rod is installed on the left end of the limit ring, wherein the anti-slip rod is provided with knurling.

[0008] Preferably, the outer side of the limiting ring abuts against the car lamp housing, and the limiting ring is fixedly connected to the anti-slip rod.

[0009] The above structural design ensures stable position during adjustment and guarantees that the adjustment accuracy does not deviate.

[0010] Preferably, the knurling is a diamond pattern, the knurling depth is 0.5mm, and the knurling coverage area is 2 / 3 of the outer surface of the anti-slip bar.

[0011] The above structural design increases the contact friction between the hand and the anti-slip bar, allowing for a stable grip even in oily or humid environments. This prevents the hand from slipping during adjustments, improves ease of operation and safety, and is suitable for frequent adjustment scenarios such as maintenance and repair.

[0012] Preferably, the surface of the optical rod is provided with a through groove, and the inside of the through groove is symmetrically provided with a first reinforcing rib and a second reinforcing rib. The first reinforcing rib and the second reinforcing rib are distributed intersectingly and are fixedly connected to the inner wall of the optical rod.

[0013] The above structural design features a hollow shaft with through slots to reduce overall weight. The first and second reinforcing ribs, which are distributed in a cross pattern inside, enhance the structural strength of the shaft and prevent deformation during adjustment or vibration, thus balancing lightweight and stability.

[0014] Preferably, guide blocks are symmetrically installed inside the right side of the optical rod, and fastening screws are installed outside the right side of the optical rod. There are three fastening screws, which are distributed in a circular structure.

[0015] With the above structural design, the guide block provides assembly guidance for the connecting block, and the three circularly distributed fastening screws can accurately abut against the connecting block, providing multi-point support for the fixation of the double-threaded rod and ensuring connection stability.

[0016] Preferably, a connecting block is installed at the left end of the double-threaded rod, and guide grooves are provided on both the upper and lower sides of the connecting block, with the guide block and the guide grooves being slidably connected.

[0017] With the above structural design, the guide groove of the connecting block slides into the guide block of the light rod, ensuring precise alignment during the assembly of the double-threaded rod, avoiding tilting from affecting the adjustment stroke, and ensuring the linear accuracy of the lamp angle adjustment.

[0018] Preferably, the connecting block has three limiting grooves, which are arranged in a circular structure, and the center line of the limiting grooves coincides with the center line of the fastening screw.

[0019] With the above structural design, the double-threaded rod and the smooth rod can be separated by loosening the fastening screw, which is convenient for subsequent replacement or maintenance; when tightened, the fastening screw is embedded in the limiting groove to prevent the threads from loosening under vibration and to ensure long-term stability.

[0020] Compared with the prior art, the beneficial effects of this utility model are: the knurled dual-thread adjusting rod of the automotive light assembly: 1. High adjustment efficiency and more convenient operation Compared to the traditional single-thread structure, the double-threaded rod has a longer adjustment stroke per revolution, which greatly reduces the number of rotations required for large-scale adjustment of the lamp assembly angle and reduces maintenance time. The diamond knurling on the anti-slip rod increases grip friction, preventing slippage in oily or humid environments and improving the smoothness of adjustment operations. 2. Precise adjustment and excellent lighting effect. The pitch design of the double-threaded rod is more suitable for fine-tuning needs. With the guide groove of the connecting block and the guide block of the light rod, the sliding cooperation can accurately control the angle adjustment stroke of the lamp assembly, avoid the lighting deviation caused by the "over-adjustment" of the knurled double-threaded adjustment rod of the car lamp assembly, and ensure the use effect of low beam without glare and high beam with wide field of vision. 3. The structure is stable and reliable, and it is vibration-resistant and prevents loosening. The fastening screws are embedded in the limiting groove of the connecting block to form a multi-point fixing structure, which effectively prevents the threads from loosening under vehicle vibration environment, avoids the lamp group angle from shifting on its own, and reduces the trouble of frequent calibration; the first and second reinforcing ribs distributed crosswise inside the light rod enhance the structural strength, taking into account both lightweight and deformation resistance. 4. Easy to disassemble and maintain, highly practical. The double-threaded rod and the smooth rod can be separated by loosening the fastening screws, and the adjustment rod can be replaced or maintained without complicated tools. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall main structure of this utility model; Figure 2 This is a schematic diagram of the structure of the smooth rod and the double-threaded rod of this utility model during disassembly; Figure 3 This is a schematic diagram of the connecting block structure of this utility model; Figure 4 This is a schematic diagram showing the positions of the first and second reinforcing ribs of this utility model. Figure 5 This is a schematic diagram of the position and structure of the guide block of this utility model.

[0022] In the diagram: 1. Smooth rod; 2. Double-threaded rod; 3. Limiting ring; 4. Anti-slip rod; 5. Knurled pattern; 6. Through groove; 7. First reinforcing rib; 8. Second reinforcing rib; 9. Guide block; 10. Fastening screw; 11. Connecting block; 12. Guide groove; 13. Limiting groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution: a knurled dual-thread adjustment rod for automotive lamps, comprising a smooth rod 1, a double-threaded rod 2, a limiting ring 3, an anti-slip rod 4, knurling 5, a through groove 6, a first reinforcing rib 7, a second reinforcing rib 8, a guide block 9, a fastening screw 10, a connecting block 11, a guide groove 12, and a limiting groove 13. The double-threaded rod 2 is provided on the right side of the smooth rod 1, and the limiting ring 3 is installed on the left side of the smooth rod 1. The left end of the limiting ring 3 is equipped with an anti-slip rod 4, which has knurling 5. The outer side of the limiting ring 3 abuts against the automotive lamp housing, and the limiting ring 3 is fixedly connected to the anti-slip rod 4 to ensure stable position during adjustment and prevent deviation in adjustment accuracy.

[0025] The knurling 5 has a diamond-shaped structure with a depth of 0.5mm. The knurling 5 covers 2 / 3 of the outer surface of the anti-slip rod 4. The diamond-shaped knurling 5 increases the contact friction between the hand and the anti-slip rod 4, allowing for a stable grip even in oily or humid environments. This prevents the hand from slipping during adjustment, improves ease of operation and safety, and is suitable for frequent adjustment scenarios such as maintenance and repair.

[0026] The surface of the light rod 1 is provided with a through groove 6. The inside of the through groove 6 is symmetrically provided with a first reinforcing rib 7 and a second reinforcing rib 8. The first reinforcing rib 7 and the second reinforcing rib 8 are distributed intersectingly and are fixedly connected to the inner wall of the light rod 1. The light rod 1 adopts a hollow design and has a through groove 6 to reduce the overall weight. The intersecting first reinforcing rib 7 and the second reinforcing rib 8 inside enhance the structural strength of the light rod 1 and prevent deformation during adjustment or vibration, thus taking into account both lightweight and stability.

[0027] Guide blocks 9 are symmetrically installed inside the right side of the smooth rod 1, and fastening screws 10 are installed outside the right side of the smooth rod 1. There are three fastening screws 10, which are distributed in a circular structure. The guide blocks 9 provide assembly guidance for the connecting block 11. The three fastening screws 10 distributed in a circular shape can accurately abut against the connecting block 11, providing multi-point support for the fixation of the double-threaded rod 2 and ensuring connection stability.

[0028] A connecting block 11 is installed on the left end of the double-threaded rod 2, and guide grooves 12 are provided on both the upper and lower sides of the connecting block 11. The guide block 9 is slidably connected to the guide groove 12. The guide groove 12 of the connecting block 11 is slidably engaged with the guide block 9 of the light rod 1 to ensure that the double-threaded rod 2 is accurately aligned during assembly, avoid tilting affecting the adjustment stroke, and ensure the linear accuracy of the lamp angle adjustment.

[0029] The connecting block 11 has three limiting grooves 13, which are arranged in a circular structure. The center line of the limiting groove 13 coincides with the center line of the fastening screw 10. Loosening the fastening screw 10 can separate the double-threaded rod 2 from the smooth rod 1, which is convenient for subsequent replacement or maintenance. When tightened, the fastening screw 10 is embedded in the limiting groove 13 to prevent the threads from loosening under vibration and ensure long-term stability.

[0030] Working principle: When using the knurled double thread adjustment rod of this car light assembly, firstly, during assembly, align the connecting block 11 at the left end of the double thread rod 2 with the inside of the right side of the light rod 1, so that the guide block 9 is embedded in the guide groove 12 of the connecting block 11, and tighten the three fastening screws 10 on the outside of the light rod 1 so that they are embedded in the limiting groove 13 of the connecting block 11, thus completing the fixation of the double thread rod 2 and the light rod 1.

[0031] The through groove 6 on the surface of the light rod 1, together with the first reinforcing rib 7 and the second reinforcing rib 8 distributed in a cross pattern inside, reduces the overall weight while ensuring structural stability. The limiting ring 3 abuts against the car lamp housing to restrict the axial movement of the adjusting rod.

[0032] When adjusting the angle of the light assembly, hold the anti-slip rod 4 and rotate the diamond-patterned knurled rod 5. This will drive the double-threaded rod 2 to rotate through the light rod 1. The dual-thread structure improves the adjustment stroke and accuracy, and precisely controls the angle of the light assembly.

[0033] When maintenance is required, loosening the fastening screw 10 will separate the double-threaded rod 2 from the smooth rod 1, facilitating replacement or repair and thus completing a series of tasks. Content not described in detail in this manual constitutes prior art known to those skilled in the art.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A knurled dual-thread adjustment rod for automotive lamps, comprising a light rod (1) and an anti-slip rod (4), characterized in that: A double-threaded rod (2) is provided on the right side of the light rod (1), and a limit ring (3) is installed on the left side of the light rod (1). An anti-slip rod (4) is installed on the left end of the limit ring (3), and knurled pattern (5) is provided on the anti-slip rod (4).

2. The knurled dual-thread adjusting rod for automotive headlights according to claim 1, characterized in that: The outer side of the limiting ring (3) abuts against the car lamp housing, and the limiting ring (3) is fixedly connected to the anti-slip rod (4).

3. The knurled dual-thread adjusting rod for automotive headlights according to claim 1, characterized in that: The knurling (5) is a diamond pattern structure, the knurling (5) has a depth of 0.5 mm, and the knurling (5) covers 2 / 3 of the outer surface of the anti-slip rod (4).

4. The knurled dual-thread adjusting rod for automotive headlights according to claim 1, characterized in that: The surface of the light rod (1) is provided with a through groove (6), and the inside of the through groove (6) is symmetrically provided with a first reinforcing rib (7) and a second reinforcing rib (8). The first reinforcing rib (7) and the second reinforcing rib (8) are distributed in a cross pattern and are fixedly connected to the inner wall of the light rod (1).

5. The knurled dual-thread adjusting rod for automotive headlights according to claim 1, characterized in that: Guide blocks (9) are symmetrically installed inside the right side of the light rod (1), and fastening screws (10) are installed outside the right side of the light rod (1). There are three fastening screws (10), and the fastening screws (10) are distributed in a circular structure.

6. The knurled dual-thread adjusting rod for automotive headlights according to claim 5, characterized in that: The left end of the double-threaded rod (2) is equipped with a connecting block (11), and guide grooves (12) are provided on both the upper and lower sides of the connecting block (11). The guide block (9) and the guide groove (12) are slidably connected.

7. The knurled dual-thread adjusting rod for automotive headlights according to claim 6, characterized in that: The connecting block (11) has a limiting groove (13). There are three limiting grooves (13), and the limiting grooves (13) are distributed in a circular structure. The center line of the limiting groove (13) coincides with the center line of the fastening screw (10).

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