Car lamp angle adjusting device convenient to install

Abstract

The invention relates to the technical field of vehicle lamp angle adjustment, in particular to a vehicle lamp angle adjusting device convenient to install. Comprising a lamp shell, a mounting cylinder fixedly mounted on the lamp shell, positive pressure spray holes formed in the front end face of the mounting cylinder in an array mode, a positive pressure outer protection assembly arranged in the lamp shell and used for supplying air to the positive pressure spray holes in a positive pressure mode, a sliding frame, a linear transmission module slidably connected in the mounting cylinder and arranged in the mounting cylinder and used for driving the sliding frame to do linear motion, and a lamp holder arranged in the mounting cylinder and used for driving the sliding frame to do linear motion. Four electric air cylinders are hinged to the sliding frame, piston ends of the four electric air cylinders are fixedly connected with ball heads, the four ball heads are embedded in a lamp holder, an angle sensor is installed on the back face of the lamp holder, a positioning stud is installed at the axis position of the lamp holder in a threaded mode, and a lampshade is fixedly installed at the front end of the positioning stud. The method has the beneficial effects that the dismounting process is greatly simplified, the positioning precision is guaranteed, and the problems that in the prior art, mounting and dismounting are tedious, and the positioning precision is prone to losing are solved.

Description

Technical Field

[0001] This invention relates to the field of vehicle headlight angle adjustment technology, specifically to a vehicle headlight angle adjustment device that is easy to install. Background Technology

[0002] With the increase in car ownership and the development of the automotive aftermarket, headlights, as vulnerable parts and core components requiring regular maintenance, directly affect maintenance efficiency, repair costs, and user experience due to the ease of their installation and disassembly. Especially during routine maintenance, parts replacement, or troubleshooting, cumbersome disassembly and assembly processes can increase labor time and may damage related structures during disassembly, affecting the subsequent angle adjustment accuracy and operational stability of the headlights. In the existing technology, patent document CN109808581A discloses a device for adjusting the angle of LED headlights. This device is fixed to the vehicle body via a headlight mounting bracket and connecting strips. The rear of the LED headlight is connected to a positioning bracket via a mounting seat. It also requires the assembly of a horizontal rack, a vertical rack, and a transmission belt meshing structure. However, it suffers from the following technical problems during use: The existing device has a cumbersome installation and disassembly process. Maintenance of core components requires disassembling multiple related structures, which is extremely inefficient. Positioning accuracy is easily lost during disassembly and assembly. Angle adjustment deviation increases after reinstallation. The locking mechanism is independent of the disassembly and assembly actions and requires additional manual operation, which is highly complex. Electrical connection structures are prone to wear or poor contact during disassembly and assembly, which affects the reliability of subsequent use. Based on this, the present invention provides an easy-to-install vehicle headlight angle adjustment device to solve the problems mentioned in the background art. Summary of the Invention

[0003] This invention addresses the technical problems existing in the prior art by providing an easy-to-install vehicle headlight angle adjustment device. This solves the problems of cumbersome installation and disassembly processes, the need to disassemble multiple related structures for maintenance of core components, and extremely low efficiency in existing devices.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: A vehicle headlight angle adjustment device that is easy to install, including a lamp housing, a mounting cylinder fixedly mounted on the lamp housing, and further comprising: The array has positive pressure nozzles on the front end face of the mounting cylinder, and the lamp housing is equipped with a positive pressure external protection component that supplies positive pressure air to the positive pressure nozzles. The carriage is slidably connected inside the mounting cylinder, which contains a linear transmission module that drives the carriage to move linearly. The lamp holder is set inside the mounting cylinder. Four electric cylinders are hinged on the slide. The piston ends of the four electric cylinders are fixedly connected to ball heads. The four ball heads are embedded in the lamp holder. An angle sensor is installed on the back of the lamp holder. A positioning stud is threaded onto the axial position of the lamp holder. A lamp cover is fixed to the front end of the positioning stud. The lamp wick is threadedly installed inside the positioning stud. The electrode holder engages with the positioning stud, and the back of the electrode holder is equipped with a linkage locking component that cooperates with the lamp holder. The sealing ring bladder is fixedly mounted on the lamp holder, and the mounting cylinder is equipped with a pressure regulating component to adjust the pressure inside the sealing ring bladder.

[0005] Based on the above technical solution, the present invention can be further improved as follows.

[0006] As a preferred technical solution of the present invention, the lamp housing is provided with four countersunk positioning mounting holes, and the sealing ring is made of silicone.

[0007] As a preferred embodiment of the present invention, the positive pressure external protection component includes a positive pressure chamber formed inside the lamp housing. First positive pressure blowers are fixedly installed on both sides of the lamp housing. The air outlets of the two first positive pressure blowers are connected to the positive pressure chamber. The tail end of each positive pressure nozzle is connected to the positive pressure chamber. The axis of the positive pressure nozzle is parallel to the axis of the mounting cylinder. As a preferred technical solution of the present invention, the linear transmission module includes a transmission screw cylinder rotatably connected to the tail of the mounting cylinder, a driven screw tube installed at the axial position of the slide, the transmission screw cylinder being threadedly connected to the driven screw tube, two guide grooves being formed inside the mounting cylinder, and two guide sliders being fixedly installed on the slide, with the two guide sliders being slidably connected to the two guide grooves respectively.

[0008] As a preferred technical solution of the present invention, the linkage locking assembly includes a locking frame and a stop frame fixedly installed in the mounting cylinder. The tail of the locking frame is rotatably connected to a locking pouch, and the locking pouch and the stop frame are in abutment and limiting cooperation. Two stop sliders are slidably connected to the back of the electrode holder. Each of the two stop sliders is fixedly installed with a limiting pin. The axis of the limiting pin is perpendicular to the axis of the lamp holder. The surfaces of the two stop sliders are hinged with connecting rods. The other ends of the two connecting rods are hinged to the locking frame. Four T-shaped guide rods are fixedly installed on the back of the electrode holder. The four T-shaped guide rods are slidably connected to the locking frame. Each T-shaped guide rod is fitted with an anti-compression spring at a position corresponding to the position between the locking frame and the lamp holder.

[0009] As a preferred embodiment of the present invention, the electrode holder is provided with a conductive slot and two conductive rings electrically connected to the conductive slot are fixedly installed. The lamp holder is fixed with a cable and has two power-leading grooves electrically connected to the conductive rings. A power-connecting plug is fixedly installed at the tail end of the positioning stud. The power-connecting plug is inserted into the conductive slot. The groove direction of the conductive slot is perpendicular to the axis of the positioning stud. Two countersunk connecting holes are provided on the power-connecting plug. Connecting parts are movably installed in both countersunk connecting holes, and both connecting parts are threadedly connected to the electrode holder.

[0010] As a preferred embodiment of the present invention, two convex electrode rings are fixedly installed inside the positioning stud, and both convex electrode rings are electrically connected to the power connector. Two concave electrode rings are installed on the lamp core, and the two concave electrode rings are respectively adapted and connected to the two convex electrode rings.

[0011] As a preferred technical solution of the present invention, the pressure regulating component includes an air pump fixedly mounted on the lamp housing, the air outlet port of the air pump is fixedly connected to a corrugated metal air guide pipe, an air chamber is opened in the sealing ring bladder, the other end of the corrugated metal air guide pipe is connected to the air chamber, and an air pressure probe and a pressure relief valve are fixedly installed at the air outlet port of the air pump.

[0012] As a preferred technical solution of the present invention, it further includes a positive pressure flow channel opened in the lamp housing, wherein a second positive pressure blower is installed at the air inlet port of the positive pressure flow channel, and filters are installed at the air inlet ports of both the first and second positive pressure blowers, and the positive pressure flow channel is connected to the mounting cylinder at the position behind the corresponding baffle.

[0013] As a preferred technical solution of the present invention, it further includes a heat dissipation channel formed inside the lamp housing, the heat dissipation channel being connected to the mounting cylinder, a temperature probe being fixedly mounted on the heat dissipation channel, and a heat dissipation fan being installed at the tail end of the heat dissipation channel.

[0014] The beneficial effects of this invention are: This invention significantly simplifies the assembly and disassembly process while ensuring positioning accuracy. It solves the problems of cumbersome installation and disassembly and easy loss of positioning accuracy in existing technologies. Through the mechanical linkage design of the linear transmission module and the linkage locking component, the synchronous coordination of the carriage extension and locking actions is achieved. During maintenance, rotating the transmission screw can drive the carriage to extend outward, the locking cylinder automatically disengages from the stop, and the anti-compression spring drives the limit pin to retract via the connecting rod. The positioning screw limit can be quickly released without additional manual operation of the locking mechanism. Combined with the threaded connection between the positioning screw and the lamp holder, it can be completed with simple screwing. The disassembly and assembly of the lampshade and lamp core eliminates the cumbersome process of disassembling multiple related structures required by existing technologies. When the slide returns to its original position after installation, the locking component can automatically trigger the locking mechanism. The limit pin precisely limits the positioning stud, and the guide slider of the slide and the guide groove of the mounting cylinder form a double guide, ensuring that the positioning reference of the core components does not shift during disassembly and assembly. After reinstallation, the angle adjustment deviation is almost negligible. This is significantly different from the problem of easy loss of accuracy after disassembly and assembly in existing technologies. This linkage design improves disassembly and assembly efficiency while ensuring positioning stability, demonstrating outstanding creativity.

[0015] This invention integrates electrical connection structure with disassembly, assembly, and locking actions. The electrical connector at the end of the positioning stud and the conductive slot of the electrode holder are designed for vertical insertion. During installation, the electrical connection is completed simultaneously with the fixing of the positioning stud. The close contact between the convex and concave electrode rings increases the conductive area while avoiding poor contact caused by vehicle vibration. This changes the existing technology where electrical connection and disassembly are independent and prone to wear. At the same time, the silicone sealing ring is equipped with a pressure regulating component. The air pressure inside the ring is adjusted in real time by an air pump, allowing it to dynamically adapt to the inner wall of the mounting cylinder according to the angle adjustment of the lamp holder and the extension and retraction of the slide, always maintaining a tight fit. This overcomes the limitation of traditional fixed sealing structures that cannot accommodate component movement. Furthermore, the sealing ring and the internal and external double protection system work together to prevent the intrusion of external impurities and, together with the internal positive pressure flow channel, discharge residual impurities, keeping the electrical connection structure and internal precision components in a clean and sealed environment at all times.

[0016] This invention constructs a comprehensive protection and intelligent heat dissipation synergy system, solving the problems of single protection and passive heat dissipation in existing technologies. It is also compatible with angle adjustment and disassembly functions. Specifically, externally, a first positive pressure blower sends air into the positive pressure chamber, forming an annular airflow barrier through positive pressure nozzles to actively block dust, rain, and snow from adhering to the lamp cover. Internally, a second positive pressure blower sends clean air into the mounting cylinder through a positive pressure channel, creating a positive pressure environment to expel internal residual impurities. This internal and external synergy achieves comprehensive protection without blind spots, unlike the single passive protection mode of existing technologies. At the same time, the heat dissipation system is deeply integrated with the protection and angle adjustment functions. The temperature probe monitors the temperature inside the mounting cylinder in real time. When the lamp core overheats, the cooling fan automatically starts, accelerating air circulation through the cooling channel. The cooling airflow complements the internal positive pressure airflow, neither interfering with the sealing effect nor hindering the rapid removal of heat, thus preventing high temperatures from causing component aging. Attached Figure Description

[0017] Figure 1 This is a half-sectional schematic diagram of a vehicle headlight angle adjustment device that is easy to install according to the present invention; Figure 2 For the present invention Figure 1 A structural diagram from another perspective; Figure 3 For the present invention Figure 2 A schematic diagram of the cross-sectional structure; Figure 4 For the present invention Figure 3 A magnified schematic diagram of the partial structure at point A in the middle; Figure 5 For the present invention Figure 3 A magnified schematic diagram of the local structure at point B; Figure 6 This is a schematic diagram of the sealing ring and lamp holder of the present invention; Figure 7This is a schematic diagram of the countersunk connecting hole and locking bladder post of the present invention; Figure 8 This is a schematic diagram of the structure of the limiting pin and locking bladder pin of the present invention.

[0018] The attached diagram lists the components represented by each number as follows: 1. Lamp housing; 2. Mounting cylinder; 3. Positive pressure nozzle; 4. Carriage; 5. Drive screw; 6. Driven screw tube; 7. Lamp holder; 8. Electric cylinder; 9. Ball head; 10. Angle sensor; 11. Positioning stud; 12. Lamp cover; 13. Lamp wick; 14. Electrode holder; 15. Sealing ring; 16. Countersunk positioning mounting hole; 17. Positive pressure chamber; 18. First positive pressure blower; 19. Locking bracket; 20. Stop bracket; 21. Locking bladder post; 22. Stop slider; 23. Limit pin; 24. Connecting rod; 25. T-shaped guide rod; 26. Compression spring; 27. Cable; 28. Conductive slot; 29. ​​Power connector; 30. Countersunk connecting hole; 31. Conductive ring; 32. Convex electrode ring; 33. Air pump; 34. Positive pressure flow channel; 35. Second positive pressure blower; 36. Heat dissipation flow channel; 37. Temperature probe; 38. Cooling fan. Detailed Implementation

[0019] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0020] The present invention provides the following preferred embodiments. like Figure 1-8 As shown, an easy-to-install vehicle headlight angle adjustment device includes a lamp housing 1 with four countersunk mounting holes 16 for positioning the mounting components, thereby fixing the lamp housing 1 to the front of the vehicle. After installation, the lamp housing 1 is covered and protected by the hood. A mounting cylinder 2 is fixedly mounted on the lamp housing 1, with its front end protruding from the hood to provide vehicle illumination. The device also includes: The array has positive pressure nozzles 3 on the front end face of the mounting cylinder 2, and the lamp housing 1 is provided with a positive pressure external protection component that supplies positive pressure air to the positive pressure nozzles 3. The positive pressure external protection component includes a positive pressure chamber 17 opened inside the lamp housing 1. A first positive pressure blower 18 is fixedly installed on both sides of the lamp housing 1. The air outlet ports of the two first positive pressure blowers 18 are connected to the positive pressure chamber 17. The tail end of each positive pressure nozzle 3 is connected to the positive pressure chamber 17. The axis of the positive pressure nozzle 3 is parallel to the axis of the mounting cylinder 2. During operation, the first positive pressure blower 18 starts, and the clean air filtered by the filter is sent into the positive pressure chamber 17, and then evenly sprayed out through the array of positive pressure nozzles 3 to form an annular airflow barrier. This structure achieves active external protection, which can effectively block dust, rain, snow and other impurities from adhering to the outer surface of the lamp cover 12, avoid impurities from obstructing the lighting clarity and ensure driving safety. Moreover, it does not require an additional shielding protective structure and will not interfere with the light projection angle. Compared with traditional passive protection methods, the protection is more active and the coverage is more comprehensive. The slide 4 is slidably connected inside the mounting cylinder 2, and the mounting cylinder 2 is equipped with a linear transmission module that drives the slide 4 to move linearly. The linear drive module includes a drive screw cylinder 5 rotatably connected to the tail of the mounting cylinder 2, a driven screw tube 6 installed at the axial position of the slide 4, the drive screw cylinder 5 and the driven screw tube 6 being threadedly connected, two guide grooves being opened inside the mounting cylinder 2, and two guide sliders being fixedly installed on the slide 4, with the two guide sliders being slidably connected to the two guide grooves respectively. During maintenance, rotating the transmission screw 5 causes the slide 4 to move axially along the mounting cylinder 2 through its threaded engagement with the driven screw tube 6. The sliding engagement between the guide slider and the guide groove provides precise guidance for the movement of the slide 4, preventing deviation. This structure achieves smooth linear displacement of the carriage 4 through threaded transmission, with high adjustment precision. It can accurately control the extension and retraction stroke of components such as lamp holder 7 and lamp core 13. During maintenance, the components can be exposed to the outside, and during normal operation, they are retracted into the mounting cylinder 2 to form a closed protection. Compared with the traditional fixed installation structure, it greatly simplifies the disassembly and maintenance process of lamp core 13 and lamp cover 12. Moreover, the transmission structure is hidden inside the mounting cylinder 2, avoiding the corrosion of the transmission components by the external environment and extending the service life of the transmission mechanism. At the same time, the guide structure ensures the stability of the subsequent angle adjustment of lamp holder 7 and avoids the angle adjustment deviation caused by the offset of carriage 4. The lamp holder 7 is set inside the mounting cylinder 2. Four electric cylinders 8 are hinged on the slide 4. The piston ends of the four electric cylinders 8 are all fixedly connected to ball heads 9. The four ball heads 9 are all embedded in the lamp holder 7. An angle sensor 10 is installed on the back of the lamp holder 7. A positioning stud 11 is threaded on the axis position of the lamp holder 7. A lamp cover 12 is fixedly installed at the front end of the positioning stud 11. The lamp wick 13 is threadedly installed inside the positioning stud 11; The electrode holder 14 engages with the positioning stud 11, and the back of the electrode holder 14 is provided with a linkage locking component that cooperates with the lamp holder 7. Angle sensor 10 is connected to the vehicle's main unit for data transmission; During operation, the vehicle host sends control signals according to road conditions or driving needs. The four electric cylinders 8 extend and retract independently, and the force is transmitted to the lamp holder 7 through the ball head 9, which drives the lamp holder 7 to rotate in multiple dimensions. The angle sensor 10 detects the current angle of the lamp holder 7 in real time and feeds it back to the vehicle host, forming a closed-loop control to ensure adjustment accuracy. The threaded connection between the positioning stud 11 and the lamp holder 7 can quickly complete the installation and removal of the lamp cover 12 and the lamp core 13. This structure creatively combines four sets of electric cylinders 8 with ball heads 9 to break through the limitations of traditional single-angle adjustment, achieving all-round, high-precision angle adjustment of the lamp holder 7, meeting the lighting needs of different driving scenarios. The closed-loop control mechanism avoids lighting blind spots or glare problems caused by angle adjustment deviation, improving driving safety. The threaded connection design simplifies the disassembly and assembly process of core components, reducing maintenance difficulty and time costs. The linkage locking assembly includes a locking frame 19 and a stop 20 fixed in the mounting cylinder 2. The tail of the locking frame 19 is rotatably connected to a locking cylinder 21. The locking cylinder 21 abuts and limits the stop 20. The locking cylinder 21 is made of rubber and is filled with gas. The above-mentioned structure of the locking cylinder 21 is designed to adapt to the change of the angle of the lamp holder 7. In a preferred embodiment, the locking capsule 21 is filled with dry nitrogen gas at an initial pressure of 0.4 MPa; Two stop sliders 22 are slidably connected to the back of the electrode holder 14. Limit pins 23 are fixedly installed on both stop sliders 22. The axis of the limit pins 23 is perpendicular to the axis of the lamp holder 7. Connecting rods 24 are hinged to the surface of both stop sliders 22. The other end of both connecting rods 24 is hinged to the locking frame 19. Four T-shaped guide rods 25 are fixedly installed on the back of the electrode holder 14. The four T-shaped guide rods 25 are slidably connected to the locking frame 19. Each T-shaped guide rod 25 is fitted with a compression spring 26 at the position corresponding to the position between the locking frame 19 and the lamp holder 7. When the linear transmission module drives the slide 4 to move a preset distance to the open end of the mounting cylinder 2, and causes the locking pin 21 to disengage from the stop 20, the limiting pin 23 retracts under the action of the compression spring 26, so as not to affect the screw 11 on the lamp holder 7. When the linear transmission module drives the slide 4 to move a preset distance to the sealing end of the mounting cylinder 2, and the locking pin 21 contacts the stop block 20, the stop slider 22 moves, thereby causing the limiting pin 23 to extend and limit the relative position of the positioning stud 11 and the mounting cylinder 2. During maintenance, the linear transmission module drives the slide 4 to move outward, the locking pin 21 disengages from the stop 20, the compression spring 26 releases its elastic force, and pushes the locking frame 19 to slide along the T-shaped guide rod 25 toward the lamp holder 7. The connecting rod 24 pulls the stop slider 22 inward, the limit pin 23 retracts, and the limit on the positioning stud 11 is released, making it easy to unscrew and disassemble the positioning stud 11. After installation, the slide 4 moves inward, the locking pouch 21 contacts and is squeezed against the stop 20, pushing the locking frame 19 to slide in the opposite direction. The connecting rod 24 drives the stop slider 22 to move outward, and the limiting pin 23 extends and abuts against the positioning stud 11 to achieve stable limiting. The rubber inflatable structure of the locking pouch 21 can adapt to the locking requirements after the angle of the lamp holder 7 changes. This structure achieves mechanical linkage between the locking function and the extension and retraction of the carriage 4, eliminating the need for additional manual operation of the locking mechanism and greatly simplifying the disassembly and assembly process. The bidirectional limiting design of the limiting pin 23 effectively prevents the positioning stud 11 from loosening due to vibration during vehicle operation, ensuring installation stability. The cooperation between the T-shaped guide rod 25 and the anti-compression spring 26 ensures that the locking frame 19 moves smoothly and resets reliably. The flexible structure of the locking pouch 21 solves the problem of locking adaptation after the lamp holder 7 angle is adjusted. Compared with the traditional independent locking structure, it has stronger linkage, more convenient operation, and better locking stability and angle adjustment compatibility. The electrode holder 14 has a conductive slot 28 and two conductive rings 31 that are electrically connected to the conductive slot 28. The lamp holder 7 has a cable 27 and two lead-in grooves that are electrically connected to the conductive rings 31. The tail end of the positioning stud 11 is fixedly installed with a power-connecting plug 29. The power-connecting plug 29 is inserted into the conductive slot 28. The groove direction of the conductive slot 28 is perpendicular to the axis of the positioning stud 11. The power-connecting plug 29 has two countersunk connection holes 30. Connectors are movably installed in both countersunk connection holes 30, and both connectors are threaded to the electrode holder 14.

[0021] Two convex electrode rings 32 are fixedly installed inside the positioning stud 11. Both convex electrode rings 32 are electrically connected to the power connector 29. Two concave electrode rings are installed on the lamp wick 13. The two concave electrode rings are respectively adapted to and connected to the two convex electrode rings 32.

[0022] The vertical slot design in this structure facilitates the insertion and removal of the power connector 29, and ensures the stability of the electrical connection, avoiding poor contact caused by vehicle vibration. The fit between the convex electrode ring 32 and the concave electrode ring increases the conductive contact area, reduces contact resistance, reduces power loss and heat generation, and effectively avoids light flickering, going out or component damage caused by poor contact. The sealing ring bladder 15 is fixedly mounted on the lamp holder 7. The sealing ring bladder 15 is made of silicone. The mounting cylinder 2 is equipped with a pressure regulating component to adjust the internal pressure of the sealing ring bladder 15.

[0023] The pressure regulating assembly includes an air pump 33 fixedly mounted on the lamp housing 1. The air outlet port of the air pump 33 is fixedly connected to a corrugated metal air guide tube. An air chamber is opened inside the sealing ring bladder 15. The other end of the corrugated metal air guide tube is connected to the air chamber. An air pressure probe and a pressure relief valve are fixedly installed at the air outlet port of the air pump 33.

[0024] When the lamp holder 7 is adjusted in angle or extended and retracted with the slide 4, the air pump 33 inflates or deflates the air chamber of the sealing ring bladder 15 through the corrugated metal air guide tube according to the change in position of the lamp holder 7. The air pressure probe monitors the air pressure in the air chamber in real time. When the air pressure exceeds the preset value, the pressure relief valve automatically releases the pressure to ensure that the sealing ring bladder 15 is always tightly fitted to the inner wall of the mounting cylinder 2. The silicone sealing ring bladder 15 and the corrugated metal air guide tube can flexibly adapt to the angle change and linear displacement of the lamp holder 7. This structure achieves dynamic sealing, solving the problem that traditional fixed sealing structures cannot adapt to component movement. It maintains the sealing performance inside the mounting cylinder 2 at all times, effectively preventing dust, moisture and other impurities from entering the interior, avoiding damage to electronic components and optical components from moisture and dust accumulation. The cooperation between the air pressure probe and the pressure relief valve ensures the safety of the sealing ring bladder 15, preventing rupture due to excessive air pressure or sealing failure due to excessively low air pressure. The corrugated metal air guide tube takes into account both the sealing of gas delivery and the adaptability to movement. Compared with traditional sealing structures, it has higher sealing reliability and excellent compatibility with angle adjustment and telescopic functions. It also includes a positive pressure flow channel 34 opened in the lamp housing 1. A second positive pressure blower 35 is installed at the air inlet port of the positive pressure flow channel 34. Both the air inlet ports of the first positive pressure blower 18 and the second positive pressure blower 35 are equipped with filters. The positive pressure flow channel 34 is connected to the mounting cylinder 2 at the position behind the corresponding baffle 20.

[0025] It also includes a heat dissipation channel 36 opened inside the lamp housing 1. The heat dissipation channel 36 is connected to the mounting cylinder 2. A temperature probe 37 is fixedly installed on the heat dissipation channel 36, and a heat dissipation fan 38 is installed at the tail of the heat dissipation channel 36.

[0026] During operation, the second positive pressure blower 35 starts, and the clean air filtered by the filter is sent into the area behind the inner baffle 20 of the mounting cylinder 2 through the positive pressure flow channel 34, so that a positive pressure environment is formed inside the mounting cylinder 2, and the dust, water vapor and other impurities remaining inside are discharged to the outside, forming a double protection inside and outside with the external airflow barrier of the front positive pressure nozzle 3. This structure combines internal positive pressure sewage discharge with external airflow protection to build a comprehensive protection system. Compared with the traditional single external protection method, the protection is more comprehensive and thorough. It can effectively reduce the risk of dust accumulation and moisture in the internal components of the installation cylinder 2, extend the service life of the components, and prevent external dust from entering the device through the air supply system. The second positive pressure blower 35 can be started and stopped independently according to the usage requirements, taking into account both the protection effect and energy saving requirements. After the lamp wick 13 generates heat during operation, the temperature probe 37 monitors the temperature inside the mounting cylinder 2 in real time. When the temperature exceeds the preset threshold, the cooling fan 38 automatically starts and accelerates the air circulation inside the mounting cylinder 2 through the cooling channel 36, quickly dissipating the heat generated by the lamp wick 13 and surrounding electronic components, thus achieving active intelligent heat dissipation. This structure achieves intelligent control of heat dissipation through real-time monitoring by temperature probe 37, avoiding ineffective heat dissipation and improving energy efficiency. The connection design between heat dissipation channel 36 and mounting cylinder 2 ensures that the heat dissipation range covers the core heat-generating components. The heat dissipation efficiency is much higher than that of traditional natural or passive heat dissipation methods. It can quickly reduce the internal temperature of the device, effectively avoid component aging, performance degradation or damage caused by high temperature, ensure the stability of lamp core 13 during long-term high-intensity operation, and extend the overall service life of the device.

[0027] The specific steps for using this invention are as follows: The lamp housing 1 is fixed to the front of the vehicle through four countersunk mounting holes 16. The mounting cylinder 2 is the core functional carrier. When working, the first positive pressure blower 18 of the positive pressure outer protection component sends clean air filtered by the filter into the positive pressure chamber 17, and then sprays it vertically through the array of positive pressure nozzles 3 to form an annular airflow barrier. At the same time, the second positive pressure blower 35 sends clean air into the rear side of the inner baffle 20 of the mounting cylinder 2 through the positive pressure flow channel 34, thus constructing double protection inside and outside to prevent impurities from entering. The linear transmission module drives the slide 4 to extend and retract smoothly along the guide groove through the threaded engagement of the transmission screw 5 and the driven screw tube 6, and synchronously links the locking components. When the slide 4 moves outward, the locking cylinder 21 disengages from the stop frame 20, and the anti-compression spring 26 pushes the locking frame 19 to slide. The connecting rod 24 drives the limit pin 23 to retract to release the positioning screw 11 from the limit, which is convenient for disassembly and maintenance. When the slide 4 moves inward, the locking cylinder 21 fits against the stop frame 20, and pushes the limit pin 23 to extend and fix the positioning screw 11. The angle adjustment of the lamp holder 7 is driven by four independent electric cylinders 8 transmitting force through ball joints 9. Angle sensor 10 detects the angle in real time and feeds it back to the vehicle host to form a closed-loop control, ensuring adjustment accuracy. The positioning stud 11 is threaded to the lamp holder 7, and its tail end is connected to the electrical plug 29 which is inserted into the conductive slot 28 of the electrode holder 14. It is fixed by the connector and achieves a stable electrical connection through the conductive ring 31, the convex electrode ring 32 and the concave electrode ring of the lamp core 13. The air pump 33 of the pressure regulating component adjusts the internal pressure of the silicone sealing ring bladder 15 through the corrugated metal air guide tube. The air pressure probe and the pressure relief valve work together to ensure that the sealing ring bladder 15 always fits against the inner wall of the mounting cylinder 2 to achieve dynamic sealing. The temperature probe 37 in the heat dissipation system monitors the temperature inside the mounting cylinder 2 in real time. When the temperature exceeds the preset threshold, the heat dissipation fan 38 starts and accelerates the airflow through the heat dissipation channel 36 to expel the heat generated by the lamp core 13 and electronic components, ensuring the stable operation of the device.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 vehicle headlight angle adjustment device that is easy to install, comprising a lamp housing (1), characterized in that, The lamp housing (1) is fixedly fitted with a mounting sleeve (2), and also includes: The array has positive pressure nozzles (3) on the front end face of the mounting cylinder (2), and the lamp housing (1) is provided with a positive pressure external protection component that supplies positive pressure air to the positive pressure nozzles (3); The slide (4) is slidably connected inside the mounting cylinder (2), and the mounting cylinder (2) is provided with a linear transmission module that drives the slide (4) to move linearly. The lamp holder (7) is set inside the mounting cylinder (2). Four electric cylinders (8) are hinged on the slide (4). The piston ends of the four electric cylinders (8) are all fixedly connected to ball heads (9). The four ball heads (9) are all embedded in the lamp holder (7). An angle sensor (10) is installed on the back of the lamp holder (7). A positioning stud (11) is threaded on the axial position of the lamp holder (7). A lamp cover (12) is fixed on the front end of the positioning stud (11). The lamp wick (13) is threaded into the positioning stud (11); The electrode holder (14) engages with the positioning stud (11), and the back of the electrode holder (14) is provided with a linkage locking assembly that cooperates with the lamp holder (7). The sealing ring bladder (15) is fixedly mounted on the lamp holder (7), and the mounting cylinder (2) is equipped with a pressure regulating component for adjusting the pressure inside the sealing ring bladder (15).

2. The vehicle headlight angle adjustment device for easy installation according to claim 1, characterized in that, The lamp housing (1) has four countersunk positioning mounting holes (16), and the sealing ring bladder (15) is made of silicone.

3. The vehicle headlight angle adjustment device for easy installation according to claim 1, characterized in that, The positive pressure external protection component includes a positive pressure chamber (17) opened inside the lamp housing (1). A first positive pressure blower (18) is fixedly installed on both sides of the lamp housing (1). The air outlet ports of the two first positive pressure blowers (18) are connected to the positive pressure chamber (17). The tail end of each positive pressure nozzle (3) is connected to the positive pressure chamber (17). The axis of the positive pressure nozzle (3) is parallel to the axis of the mounting cylinder (2).

4. The vehicle headlight angle adjustment device that is easy to install according to claim 1, characterized in that, The linear transmission module includes a transmission screw cylinder (5) rotatably connected to the tail of the mounting cylinder (2), a driven screw tube (6) is installed at the axial position of the slide (4), the transmission screw cylinder (5) is threadedly connected to the driven screw tube (6), two guide grooves are opened in the mounting cylinder (2), and two guide sliders are fixedly installed on the slide (4), and the two guide sliders are slidably connected to the two guide grooves respectively.

5. The vehicle headlight angle adjustment device for easy installation according to claim 1, characterized in that, The linkage locking assembly includes a locking frame (19) and a stop (20) fixedly installed in the mounting cylinder (2). The tail of the locking frame (19) is rotatably connected to a locking pouch (21). The locking pouch (21) and the stop (20) abut against each other for a limiting fit. The back of the electrode holder (14) is slidably connected to two stop sliders (22). Each of the two stop sliders (22) is fixedly installed with a limiting pin (23). The axis of the limiting pin (23) is parallel to the lamp holder ( 7) The axis is perpendicular, and the surfaces of the two stop sliders (22) are hinged with connecting rods (24). The other ends of the two connecting rods (24) are hinged with the locking frame (19). Four T-shaped guide rods (25) are fixedly installed on the back of the electrode holder (14). The four T-shaped guide rods (25) are slidably connected to the locking frame (19). Each T-shaped guide rod (25) is fitted with a compression spring (26) at the position corresponding to the locking frame (19) and the lamp holder (7).

6. The vehicle headlight angle adjustment device for easy installation according to claim 1, characterized in that, The electrode holder (14) has a conductive slot (28) and two conductive rings (31) that are electrically connected to the conductive slot (28). The lamp holder (7) has a cable (27) and two lead-in grooves that are electrically connected to the conductive rings (31). The tail end of the positioning stud (11) is fixedly installed with a power-connecting plug (29). The power-connecting plug (29) is inserted into the conductive slot (28). The groove direction of the conductive slot (28) is perpendicular to the axis of the positioning stud (11). The power-connecting plug (29) has two countersunk connection holes (30). A connector is movably installed in each of the two countersunk connection holes (30), and both connectors are threaded to the electrode holder (14).

7. A vehicle headlight angle adjustment device that is easy to install according to claim 6, characterized in that, The positioning stud (11) has two convex electrode rings (32) fixed inside. Both convex electrode rings (32) are electrically connected to the power connector (29). The lamp wick (13) has two concave electrode rings installed on it. The two concave electrode rings are respectively adapted to and connected to the two convex electrode rings (32).

8. The vehicle headlight angle adjustment device for easy installation according to claim 1, characterized in that, The pressure regulating component includes an air pump (33) fixedly mounted on the lamp housing (1). The air outlet of the air pump (33) is fixedly connected to a corrugated metal air guide pipe. An air chamber is opened in the sealing ring bladder (15). The other end of the corrugated metal air guide pipe is connected to the air chamber. An air pressure probe and a pressure relief valve are fixedly installed at the air outlet of the air pump (33).

9. A vehicle headlight angle adjustment device that is easy to install according to claim 3, characterized in that, It also includes a positive pressure flow channel (34) opened in the lamp housing (1), the air inlet of the positive pressure flow channel (34) is equipped with a second positive pressure blower (35), the air inlet of the first positive pressure blower (18) and the second positive pressure blower (35) are both equipped with filters, and the positive pressure flow channel (34) is connected to the mounting cylinder (2) at the position behind the corresponding baffle (20).

10. A vehicle headlight angle adjustment device that is easy to install according to claim 1, characterized in that, It also includes a heat dissipation channel (36) opened in the lamp housing (1), the heat dissipation channel (36) is connected to the mounting cylinder (2), a temperature probe (37) is fixedly installed on the heat dissipation channel (36), and a heat dissipation fan (38) is installed at the tail of the heat dissipation channel (36).

Images