A trunk support rod with illumination guidance

By adding a rotatable light assembly to the support rod of the car trunk, and using a coaxial power supply structure and damping spring positioning, the lighting of the ground and low-lying areas at the rear of the vehicle is realized, solving the problem of insufficient trunk lighting and providing better nighttime illumination and safety.

CN224928933UActive Publication Date: 2026-11-03LIAONING PROVINCIAL COLLEGE OF COMM
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522449077.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-11-03
Estimated Expiration
2035-11-19

AI Technical Summary

Technical Problem

When using a car trunk at night, the lighting in the outer area of ​​the rear of the vehicle is insufficient, making it difficult for users to see their surroundings. Furthermore, traditional trunk support rods cannot be integrated with lighting structures and therefore cannot serve to illuminate the exterior of the rear of the vehicle.

Method used

Design a car trunk support rod with lighting guidance, including a support rod, a lamp and a light adjustment device. The lamp maintains continuous power supply during rotation through a rotating component and a coaxial structure powered by rotational damping. Combined with a toothed groove and a damping spring, it forms a stable angular positioning. The lamp can illuminate the ground and low-lying area at the rear of the vehicle by rotating and adjusting when the trunk is open. The light is further guided by the lamp cavity, lamp cover and a flip-up structure that can be rotated synchronously.

Benefits of technology

It solves the problems of limited trunk lighting range and insufficient illumination of the outer rear area, providing a clearer and more effective nighttime illumination effect, improving safety and convenience when retrieving items and observing the ground behind the vehicle at night.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224928933U_ABST
    Figure CN224928933U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of automobile trunk support rods with lighting guidance, it is related to vehicle trunk lighting structure.The support rod includes bracing rod main body, lamp and light adjusting device, lamp is fixed to the fixed end outside of bracing rod, lamp outside has rotatable lamp rotating assembly, and it is realized sustained power supply under rotating state by the coaxial structure of fixed coil and driven coil.Lamp is externally equipped with lamp cavity and transparent lamp cover, inside arrangement is arranged lamp strip, and can form inclination arrangement according to lamp point position to enhance the irradiation ability to the ground of vehicle tail.Light adjusting device is arranged below lamp strip, and the synchronous directional adjustment of light is realized in vertical direction by flap, connecting rod and knob structure.Dog tooth groove and damping dog spring are arranged between components, so that lamp has damping feeling and angle stability when rotating.The utility model can effectively illuminate the area outside the tail of vehicle in the state that trunk is opened, improve night taking and observing ground condition.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to a car trunk support rod with lighting guidance. Background Technology

[0002] With the increasing popularity of passenger cars and SUVs, vehicle trunks are being used more and more frequently at night, including for temporary storage, moving luggage, finding lost items, and simple outdoor retrieval operations. However, most existing vehicles place the trunk lights on the interior side walls or roof lining, primarily designed to illuminate the storage space rather than the outer rear area. Therefore, when the trunk is open, most of the light is concentrated inside, leaving areas such as the ground at the rear, under the rear bumper, the edge of parking spaces, or road debris in darkness. This makes it difficult for users to see their surroundings, especially in low-light conditions.

[0003] Meanwhile, the trunk interior light is usually positioned near the user's line of sight when turned on. Because the light is relatively concentrated, when the user looks up or moves their gaze, the interior light easily enters the eyes directly, causing a short-term shock of bright light and reducing the ability to recognize dark areas. This phenomenon is particularly noticeable at night: when the eyes are illuminated by the trunk interior light, the eye's ability to adapt to darkness is interfered with, making the already dimly lit rear area even more difficult to see, creating a visual discrepancy of "bright inside, darker outside." This can lead to inaccurate judgment when loading luggage, searching for dropped items, or observing the ground behind the vehicle, and may even pose risks of tripping, misstepping, or accidentally touching debris.

[0004] Furthermore, the trunk structure itself can obstruct interior lighting, and when the tailgate is raised, the lights are easily blocked by the tailgate panel, leaving the ground area outside the vehicle completely unlit. Some users may use mobile phone lights, external work lights, or handheld lighting tools for temporary supplemental lighting, but these are inconvenient to use when carrying luggage, retrieving items with both hands, or when hands need to be free. They also have problems such as unstable placement and fixed beam angles, making it impossible to form a long-term effective solution.

[0005] Although traditional trunk support rods are brought to the rear of the vehicle when the tailgate is opened, they are not integrated with the lighting structure. Therefore, they cannot serve to illuminate the exterior of the rear of the vehicle, resulting in a long-standing lack of systematic structural solutions for the lighting needs on the outside of the tailgate.

[0006] In view of the above problems, a car trunk support rod with lighting guidance is proposed. Summary of the Invention

[0007] The purpose of this invention is to provide a car trunk support rod with lighting guidance to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a car trunk support rod with lighting guidance, comprising a support rod, a lamp, and a light adjustment device inside the lamp. The strut is fitted between the vehicle body and the trunk door of the car. The lamp includes two lamp fixing end seats, which are fixedly disposed outside the fixed end of the support rod. A lamp rotating assembly is rotatably assembled on the outside of the lamp fixing end seats. Rotation damping is provided between the lamp fixing end seats and the lamp rotating assembly. A coil for power supply is provided at the rotating joint between the lamp fixing end seats and the lamp rotating assembly. The coil can continuously supply power when the lamp rotating assembly rotates. A light strip is provided on the outer side of the rotating assembly of the lamp; The light adjustment device is located below the light emission position of the light strip and outside the rotating assembly of the lamp. The light adjustment device includes a flip-up plate, and a reflective layer is provided on the outside of the flip-up plate.

[0009] Preferably, the support rod includes a fixed end, a displacement end is slidably fitted inside the fixed end, and a wire harness is provided on the outside of the fixed end.

[0010] Preferably, a groove 1 is provided on the outer side of the lamp fixing end seat installed near the wire harness, and a groove 2 is provided inside the lamp rotating assembly near the wire harness. A fixed coil is assembled outward in the groove 1, and a driven coil is assembled inward in the groove 2. The outer ring of the fixed coil is in contact with the inner ring of the driven coil.

[0011] Preferably, the lamp rotating assembly has a lamp cavity on its exterior, the lamp strip is housed inside the lamp cavity, and a transparent lamp cover is fitted on the exterior of the lamp cavity.

[0012] Preferably, the fixed coil has a wire that passes through the outside of the fixed end of the lamp and is integrated with the wiring harness for power supply. The outer wire of the driven coil passes through the rotating assembly of the lamp and the lamp cavity and is electrically connected to the lamp.

[0013] Preferably, the outer side of the lamp cavity is provided with a flap mounting hole.

[0014] Preferably, the inner side of the lamp fixing end seat is evenly provided with retaining grooves, and the outer side of the lamp rotating assembly is provided with a damping retaining spring, the outer retaining teeth of the damping retaining spring engaging with the retaining grooves.

[0015] Preferably, the flap is assembled inside the flap mounting hole, and the number of flaps is set according to the number of light sources of the light strip. Several flaps are provided with hinge points on their outer sides, and each hinge point is connected in series synchronously through a connecting rod. A knob is provided on the outer side of the hinge point between any flap and the lamp cavity for locking rotation.

[0016] Preferably, one end of the damping spring is fixed to the lamp rotating assembly, and the outer wall of the damping spring is elastic.

[0017] Preferably, the lamp fixing end seat has a fixing hole.

[0018] Compared with existing technologies, the beneficial effects of this utility model are as follows: This utility model adds a rotatable lamp assembly to the outside of the fixed end of the support rod. Utilizing a coaxial power supply structure between the fixed and driven coils, the lamp maintains continuous power supply during rotation. Combined with the locking groove and damping spring, a stable angular positioning is achieved, allowing the lamp to illuminate the rear of the vehicle and lower areas through rotational adjustment when the trunk is open. Simultaneously, the lamp housing, lamp cover, and a synchronously flipping flap structure are installed outside the lamp, allowing for secondary vertical guidance of the light as needed. Combined with the angled arrangement of the light strips, this creates an illumination range that better fits the open tailgate posture, resulting in clearer and more effective illumination for retrieving items at night, observing the rear of the vehicle, or performing temporary work. This solves the problems of limited trunk lighting range and insufficient illumination of the outer rear area in existing technologies. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the installation position of the lamp in this utility model.

[0021] Figure 3 This is an exploded structural diagram of the lamp of this utility model.

[0022] Figure 4 This is a schematic diagram of the overall structure of the lamp of this utility model.

[0023] Figure 5 This is an exploded view of the lamp of this utility model.

[0024] Figure 6 This is a schematic diagram of the structure of the light strip of this utility model.

[0025] Figure 7 for Figure 6 Enlarged schematic diagram of the structure at point a.

[0026] Figure 8 This is a top view of the present invention.

[0027] Figure 9 for Figure 8 Cross-sectional view at point AA.

[0028] In the diagram: 1. Support rod, 11. Fixed end, 12. Displacement end, 13. Wiring harness, 2. Lamp fixture, 21. Lamp fixture rotating assembly, 22. Lamp fixture fixed end seat, 23. Lamp cavity, 24. Lamp strip, 25. Lamp cover, 26. Fixed coil, 27. Groove one, 28. Groove two, 29. Driven coil, 210. Flip plate mounting hole, 211. Damping spring, 212. Snap tooth groove, 213. Fixed hole, 3. Light adjustment device, 31. Flip plate, 32. Knob, 33. Connecting rod. Detailed Implementation

[0029] 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.

[0030] Please see Figure 1-9 This utility model provides a technical solution: a car trunk support rod with lighting guidance, including a support rod 1, a lamp 2, and a light adjustment device 3 inside the lamp. The strut 1 is installed between the car body and the trunk door of the car. The lamp 2 includes two lamp fixing end seats 22, which are fixedly disposed outside the fixed end 11 of the support rod 1. A lamp rotating assembly 21 is rotatably mounted on the outside of the lamp fixing end seat 22. A rotation damping is provided between the lamp fixing end seat 22 and the lamp rotating assembly 21. A coil for power supply is provided at the rotating joint between the lamp fixing end seat 22 and the lamp rotating assembly 21. The coil can continuously supply power when the lamp rotating assembly 21 rotates. A light strip 24 is provided on the outer side of the rotating assembly 21 of the lamp; The light adjustment device 3 is located at the lower position of the light emission of the light strip 24 and is located outside the lamp rotating assembly 21. The light adjustment device 3 includes a flip-up plate 31, and a reflective layer is provided on the outer side of the flip-up plate 31.

[0031] In the above structure, the strut 1 serves as the main supporting component connecting the vehicle body and the tailgate. Its fixed end 11 is connected to the side hinge seat of the vehicle body, and its displacement end 12 extends and retracts with the opening and closing of the tailgate, causing the lamp 2 to be moved to the outer area of ​​the rear of the vehicle when it is open. The strut 1 itself can be an electric push rod structure, enabling the tailgate to open and close automatically, or it can be a traditional non-electric structure such as a pneumatic strut or a mechanical telescopic rod, to adapt to the tailgate configuration of different vehicle models. Regardless of the form used, the strut 1 can provide stable telescopic guidance, allowing the lamp 2 to move along a predetermined trajectory during the subsequent opening and closing of the tailgate, thereby ensuring that the lamp is always located in an effective illumination position on the outer side of the rear of the vehicle when it is working.

[0032] The lamp 2 is positioned outside the fixed end 11 of the support rod 1, allowing it to naturally suspend itself in the space below the rear of the vehicle after the trunk is opened. This spatial positioning actively avoids areas that traditional trunk interior lighting cannot cover. A rigid mounting is formed between the lamp's fixed end bracket 22 and the support rod 1, enabling the lamp rotating assembly 21 to rotate coaxially around the center of the fixed end bracket 22. A rotation damping structure controls the resistance of the lamp rotating assembly 21 during adjustment, ensuring the lamp remains at any set angle without shifting due to prolonged use, vehicle vibration, or the impact of closing the trunk door. The coil at the rotary joint includes a fixed coil and a driven coil, which are continuously powered through a ring contact or elastic contact piece, preventing problems such as wire tangling, bending fatigue, or breakage caused by lamp rotation.

[0033] The light strip 24 is fixed to the outside of the lamp rotating assembly 21, and the horizontal direction of illumination can be adjusted by rotating the lamp. The light adjustment device 3 is located below the light strip 24, and the light is guided secondary by the flip of the flap 31, making the vertical illumination angle more controllable. This combination structure allows the illumination range to be flexibly switched between positions such as "illuminating the ground", "illuminating the rear area", and "illuminating the lower edge of the tailgate" according to the needs of use, thereby providing a more practical supplementary lighting effect in scenarios such as opening the door to retrieve items at night, observing the condition of the rear ground, and temporary work lighting.

[0034] Specifically, the strut 1 includes a fixed end 11, a displacement end 12 is slidably mounted inside the fixed end 11, and a wire harness 13 is provided on the outside of the fixed end 11.

[0035] In the above structure, the fixed end 11 of the support rod 1 is hinged to the mounting point on the side of the vehicle body, and the displacement end 12 inside it can slide along the axial direction of the fixed end 11, thereby realizing the telescopic guidance of the trunk door between opening and closing. The wiring harness 13 is arranged on the outside of the fixed end 11, so that it always remains in a stable position during the telescopic process of the support rod 1, and is not affected by the telescopic movement of the displacement end 12. This ensures the integrity of the power supply line and avoids fatigue damage to the cable due to repeated bending.

[0036] In this invention, the support rod 1 can be either an electric push rod to form an automatic lifting structure, or a non-electric type such as a pneumatic or mechanical support rod. The fixed end 11, the displacement end 12, and the wiring harness 13 together constitute a basic unit applicable to the trunk structures of various vehicle models. In practical applications, this basic unit can be installed on the non-displacement end of different types of rod-shaped support structures. As long as the fixed end 11 has the corresponding connecting surface or connecting hole, the lamp 2 can be fixedly assembled. This adaptability allows the lamp 2 to be independent of a specific support rod type, enabling universal installation on more vehicle models, modified structures, or similar rod-shaped connecting components.

[0037] Based on the actual optical requirements of the light strip 24, a certain tilt angle can be set in the LED light spot arrangement of the light strip 24 to make the light present a preset illumination direction that is slightly outward or slightly downward. When the trunk is open, the tailgate of the vehicle usually has a certain tilt angle. By setting the tilt light spots, the ground illumination range can be further expanded, making the illumination effect more in line with the actual opening posture of the vehicle and improving the ground illumination capability of the light fixture 2 when used at night.

[0038] Specifically, a groove 27 is provided on the outer side of the lamp fixing end 22 installed near the wire harness 13, and a groove 28 is provided inside the lamp rotating assembly 21 near the wire harness 13. A fixed coil 26 is assembled outward from the groove 27, and a driven coil 29 is assembled inward from the groove 28. The outer ring of the fixed coil 26 is in contact with the inner ring of the driven coil 29.

[0039] In the above structure, groove 27 and groove 28 are coaxially arranged, forming a circumferential enveloping mating area between the fixed coil 26 and the driven coil 29 while reducing the overall volume. The fixed coil 26 is positioned outside the lamp fixing end 22 via groove 27, and its power supply comes from the extension end of the wire harness 13, ensuring that the fixed coil 26 remains stationary when the lamp rotating assembly 21 rotates. Groove 28 is placed inside the lamp rotating assembly 21 to accommodate the driven coil 29, allowing the driven coil 29 to rotate synchronously with the lamp rotating assembly 21. The annular contact interface between the two forms a sustainable power path, ensuring a stable power source for the lamp even when the rotation angle is frequently adjusted.

[0040] At the interface between the fixed coil 26 and the driven coil 29, contact contacts, elastic pressure plates, brush slip rings, or other similar rotary power supply structures can be selected according to specific application requirements. As long as reliable conduction is maintained when the lamp rotating assembly 21 is adjusted around the fixed end seat 22, the same power supply effect can be achieved. The substitutability of this "rotary power supply structure" makes this utility model more flexible in actual adaptation and facilitates selection under different vehicle models, lamp sizes, or cost design requirements.

[0041] The fixed coil 26 and the driven coil 29 are arranged on the side close to the wiring harness 13, which helps to shorten the power supply path and make the wire arrangement inside the lamp mounting bracket 22 more compact. The wiring harness 13 itself is powered by the vehicle's overall power supply. It can be integrated as an extension structure of the original trunk area wiring harness, or the power can be led out from inside the trunk door by cutting the wiring harness, which facilitates modification or vehicle development under different vehicle structures. The sheath on the outside of the wiring harness 13 can effectively improve the bending resistance, making the overall power supply line less prone to damage or open circuit when the vehicle's trunk door is frequently opened and closed.

[0042] The recessed nesting structure ensures a uniform and stable contact area between the fixed coil 26 and the driven coil 29, avoiding the problems of kinking or breakage caused by rotation in traditional exposed wire methods. Even with frequent angle adjustments to the lamp rotating assembly 21 during long-term vehicle use, the power supply system maintains stable conductivity, further enhancing the lighting reliability and durability of the lamp.

[0043] Specifically, the lamp rotating assembly 21 has a lamp cavity 23 on its outside, the lamp strip 24 is housed inside the lamp cavity 23, and the lamp cavity 23 is fitted with a transparent lamp cover 25 on its outside.

[0044] In the above structure, the lamp cavity 23 serves as the external support component of the lamp rotating assembly 21, covering and fixing the lamp strip 24 in a predetermined position. This ensures that the lamp strip 24 maintains a stable light source direction when the lamp rotates, while also providing a certain protective space for the internal light source. The lamp cavity 23 can be designed into an arc shape, strip shape, or flat structure according to the size of the lamp strip 24 and the overall outline of the lamp. This facilitates the formation of a shape with a high degree of fit and resistance to impacts on the outside of the support rod, making the lamp less susceptible to scratches from external objects when the vehicle's tailgate is opened.

[0045] The light strip 24 is installed in a mounting groove or pressure plate structure inside the lamp cavity 23, making it less prone to loosening when subjected to vibration or rotation. It can also be arranged in a straight line, in segments, or at an angle according to the vehicle's tailgate tilt angle, allowing the light strip 24 to produce a downward or outward beam effect. For example, when the vehicle's tailgate is open, since it typically maintains a certain upward angle, the light strip 24 can be designed with an angle during manufacturing to naturally direct the light towards the ground or surrounding area at the rear of the vehicle, thus achieving a more suitable illumination range for practical use.

[0046] A transparent lamp cover 25 is installed on the outside of the lamp cavity 23, forming a closed protective space. It can be made of transparent or semi-transparent material, ensuring light transmittance while providing external dust and water protection. The lamp cover 25 can be assembled using a snap-fit ​​structure, screw locking, or adhesive frame, facilitating future maintenance and lamp strip replacement. Furthermore, the shape of the lamp cover 25 can be streamlined according to the outer contour of the support rod, making it more harmonious with the original vehicle interior and trunk area. It also softens the light during nighttime illumination, reducing glare caused by direct light.

[0047] The overall enclosed structure of the lamp cavity 23 and the lamp cover 25 effectively prevents rainwater, dust and dirt from the vehicle's rear working environment from entering the lamp strip area, improving the lamp's weather resistance and service life, making it suitable for complex environments such as outdoor, low temperature and long-term vehicle vibration.

[0048] Specifically, the fixed coil 26 has a wire that passes through the outside of the lamp fixing end 22 and is powered by the wire and the wire harness 13. The outer wire of the driven coil 29 passes through the lamp rotating assembly 21 and the lamp cavity 23 and is electrically connected to the lamp.

[0049] In the above structure, the wires of the fixed coil 26 are led out through the outside of the lamp mounting terminal 22 and form a continuous power supply link with the wiring harness 13, making the fixed coil 26 the direct power receiving point of the vehicle's power supply. The wiring harness 13 is introduced from the vehicle's wiring harness in the trunk area. Depending on the vehicle model structure, it can be arranged by extending the original vehicle wiring harness, or the original vehicle wiring harness can be broken open inside the trunk to lead out the power supply, so that the power supply method of the lamp can adapt to different installation environments. By directly integrating with the fixed coil 26, the length of the power supply line can be effectively shortened, energy loss can be reduced, and the compactness of the circuit structure can be maintained.

[0050] The conductor of the driven coil 29 extends from the outside of the groove 28, runs along the internal path of the luminaire rotating assembly 21, and passes through the structure of the lamp cavity 23 to the lamp strip 24, thus enabling the driven coil 29 to directly supply power to the lamp strip 24. Since the driven coil 29 rotates synchronously with the luminaire rotating assembly 21, its conductor needs to have a certain bending resistance and fixing method in its structure. Therefore, the luminaire rotating assembly 21 is usually provided with a wire groove, limiting rib or flexible fixing point to constrain the movement trajectory of the conductor during the rotation process and avoid fatigue breakage of the conductor due to vibration, centrifugal force or repeated rotation.

[0051] The nested structure of the fixed coil 26 and the driven coil 29 ensures that the contact surface between them remains in a fixed position. After the wires are led out from their respective structures, the wiring path is "stationary side harness → fixed coil 26 → rotating side harness → driven coil 29 → light strip 24," eliminating any free cables that could become tangled, significantly improving the power supply reliability of the lamp during long-term use. The vehicle power supply is directly introduced into the coil system through the harness 13, enabling the lamp to illuminate immediately upon opening the trunk, providing illumination for the external ground area and improving safety when opening the trunk, moving items, and observing the surrounding environment at night.

[0052] To further ensure the stability of the conductors during high-frequency rotation and long-term use, the internal conductors of the lamp are generally made of flexible, bend-resistant material, with a wear-resistant sheath added to the outer surface. This sheath, in conjunction with the structure within the lamp cavity 23, forms limiting points, fixing the conductor's trajectory within a specified range and preventing significant swaying or frictional damage. This structural arrangement of the power supply path gives this invention higher durability and stability compared to similar rotating lamps.

[0053] Specifically, a flap mounting hole 210 is provided on the outer side of the lamp cavity 23.

[0054] In the above structure, the flip plate mounting hole 210 is located on the outer side of the lamp cavity 23, allowing the flip plate 31 to achieve a stable flipping action using this hole as a fulcrum. The flip plate mounting hole 210 is usually formed as a through hole or a semi-open structure, integrally molded with the outer wall of the lamp cavity 23, providing a reliable mounting reference for the flip plate 31 when adjusting the light. The position of this mounting hole is arranged according to the arrangement of the light spots of the light strip 24, enabling the flip plate to effectively block or reflect the light of each light spot, thereby ensuring the guiding effect of the light adjustment device 3 in the vertical direction.

[0055] Specifically, the inner side of the lamp fixing end seat 22 is evenly provided with locking tooth grooves 212, and the outer side of the lamp rotating assembly 21 is provided with a damping spring 211, and the outer locking teeth of the damping spring 211 engage with the locking tooth grooves 212.

[0056] In the above structure, the retaining grooves 212 are evenly distributed along the inner circumference of the lamp fixing end seat 22, forming several angular positioning points for engaging with the outer retaining teeth of the damping spring 211. The damping spring 211 is installed on the outside of the lamp rotating assembly 21, and its material usually has a certain elasticity, allowing the outer retaining teeth to generate slight compression and rebound during rotation, thereby creating a continuous damping effect between the retaining grooves 212. When the lamp rotating assembly 21 rotates around the lamp fixing end seat 22, the outer retaining teeth of the damping spring 211 will successively cross the toothed edge formed by the retaining grooves 212, giving the rotation a clear "positioning sense" and "damping sense," maintaining angle stability after adjustment, and not deflecting on its own due to slight vibrations or vehicle body sway.

[0057] This damping spring structure not only provides stable angle holding capability but also maintains a good feel after multiple rotations and adjustments, giving the lamp clear angle feedback at different positions, making it easy for users to adjust the illumination direction at night. Furthermore, the circumferential fit between the damping spring 211 and the retaining groove 212 ensures uniform frictional resistance at any position for the lamp's rotating assembly 21, preventing localized excessive looseness or tightness and improving the overall durability of the rotating structure.

[0058] Specifically, the flap 31 is installed inside the flap mounting hole 210. The number of flaps 31 is set according to the number of light sources of the light strip 24. Several flaps 31 have hinge points on their outer sides. Each hinge point is connected in series synchronously through a connecting rod 33. A knob 32 is installed on the outer side of the hinge point between any flap 31 and the lamp cavity 23 for locking rotation.

[0059] In the above structure, the flip plates 31 rotate using the flip plate mounting holes 210 as fulcrums. Their number corresponds to the number of light sources in the light strip 24, allowing the light emitted from each light point to be guided independently or in conjunction with the corresponding flip plate. Hinges are formed on the outer side of the flip plates 31, and multiple hinges are connected in series via connecting rods 33, forming a synchronized flipping mechanism. When the user rotates the knob 32 on the outer side of any flip plate 31, the knob 32 causes the flip plate to adjust its angle around the flip plate mounting holes 210. The connecting rods 33 then transmit power, causing the remaining flip plates to maintain the same rotation angle, resulting in a consistent overall light adjustment effect.

[0060] This synchronization mechanism enables the light adjustment device 3 to achieve overall deflection of all light in a single operation, eliminating the need to adjust each flap individually, thus improving ease of use. The flap 31 is typically covered with a reflective layer, which can refract and guide the light emitted by the light strip 24, allowing the vertical illumination range to be continuously adjusted within a wide angle range. For example, it can guide the light to the steps, road surface, or low-lying obstacles below the rear of the vehicle, solving the problem that traditional trunk lights cannot illuminate the external space behind the vehicle.

[0061] The knob 32 is locked to the outside of the hinge point of the lamp housing 23. Its fixing structure ensures that the flap assembly remains stable after being adjusted to the specified angle, preventing angle drift caused by vehicle vibration or tailgate opening and closing. The knob 32 can be designed with a textured surface or rubber coating to improve the operating feel in humid or winter environments, making the adjustment more direct and reliable.

[0062] Specifically, one end of the damping spring 211 is fixed to the lamp rotating assembly 21, and the outer wall of the damping spring 211 is elastic.

[0063] In the above structure, the recessed part 813 on the inner groove of the damping spring 211 serves as a local deformation area that contacts the retaining tooth groove 212. When the lamp rotating assembly 21 rotates, the recessed part 813 is locally compressed when crossing the edge of the retaining tooth groove 212, causing the damping spring 211 to undergo slight elastic deformation in the radial direction. This elastic rebound characteristic allows the damping spring 211 to form a soft and continuous damping effect between the retaining teeth groove 212, without a harsh meshing feeling. At the same time, it can form a clear angle feedback at each retaining tooth position, so that the lamp can stably maintain the set angle after adjustment.

[0064] The damping effect can be adjusted in terms of structural dimensions by utilizing the deformation range of the recessed portion 813. For example, by adjusting the depth, sidewall angle, or material hardness of the recessed portion 813, the rotating assembly 21 of the lamp can be made neither too loose, making it difficult to fix the angle, nor too tight, making operation difficult. The damping retaining spring 211 is usually made of a material with good elastic recovery ability, such as elastic steel sheet, stainless steel, or composite elastic material, so that it is not prone to permanent deformation during long-term rotation operation, ensuring the stability of the damping effect.

[0065] The mating positions between the recessed position 813 and the toothed groove 212 are distributed along the entire circumference, so that the rotating assembly 21 of the lamp can obtain uniform damping resistance at any angle position. It will not loosen or slip at certain angles due to local wear or part tolerance issues, thereby ensuring that the lamp can maintain reliable angle positioning under driving vibration, tailgate opening and closing impact and long-term use.

[0066] Specifically, the lamp mounting bracket 22 has a mounting hole 213.

[0067] In the above structure, the fixing hole 2110 is located at the rear of the lamp fixing end seat 22, and is used to reliably connect the lamp fixing end seat 22 to the outside of the fixing end 11 of the support rod 1. The fixing hole 2110 can be locked by screws, riveting, or snap-fit ​​according to the structure of the outer wall of the support rod, so that the lamp fixing end seat 22 can be firmly positioned in the designated position and will not loosen due to the extension and retraction of the support rod 1 or vehicle vibration. The arrangement of the fixing hole 2110 matches the outer wall contour of the support rod 1, so that the lamp fixing end seat 22 and the support rod 1 form an integrated appearance after installation, and also facilitate the lamp rotating assembly 21 to obtain a clear rotation space in front of it.

[0068] The design of the fixing hole 2110 is typically combined with the stress transmission structure of the lamp fixing end bracket 22, so that the torque generated during the rotation and adjustment of the lamp can be effectively transmitted to the main structure of the support rod 1 through the fixing hole 2110, avoiding stress concentration at local weak points. At the same time, in actual installation, the fixing hole 2110 can also serve as an assembly reference for quickly positioning the lamp fixing end bracket 22, ensuring that the entire lamp assembly is always within the preset illumination direction range when the vehicle trunk is opened, providing a stable installation foundation for subsequent rotation adjustment and light control.

[0069] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0070] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A car trunk support rod with lighting guidance, comprising a support rod (1), a lamp (2), and a light adjustment device (3) inside the lamp, characterized in that: The strut (1) is assembled between the vehicle body and the trunk door of the car. The lamp (2) includes two lamp fixing end seats (22). The lamp fixing end seats (22) are fixedly installed outside the fixed end (11) of the support rod (1). A lamp rotating assembly (21) is rotatably assembled on the outside of the lamp fixing end seats (22). Rotation damping is provided between the lamp fixing end seats (22) and the lamp rotating assembly (21). A coil for power supply is provided at the rotating joint between the lamp fixing end seats (22) and the lamp rotating assembly (21). The coil can continuously supply power when the lamp rotating assembly (21) rotates. A light strip (24) is provided on the outer side of the lamp rotating assembly (21); The light adjustment device (3) is located at the lower position of the light emission of the light strip (24) and outside the lamp rotating assembly (21). The light adjustment device (3) includes a flip plate (31) that can be flipped, and a reflective layer is provided on the outside of the flip plate (31).

2. The illuminated guiding automobile trunk support rod according to claim 1, wherein: The support rod (1) includes a fixed end (11), a displacement end (12) is slidably fitted inside the fixed end (11), and a wire harness (13) is provided on the outside of the fixed end (11).

3. The illuminated guiding automobile trunk support rod according to claim 2, wherein: A groove 1 (27) is provided on the outer side of the lamp fixing end seat (22) installed near the side of the wire harness (13), and a groove 2 (28) is provided inside the lamp rotating assembly (21) near the side of the wire harness (13). A fixed coil (26) is assembled outward from the groove 1 (27), and a driven coil (29) is assembled inward from the groove 2 (28). The outer ring of the fixed coil (26) is in contact with the inner ring of the driven coil (29) and is electrically connected.

4. The illuminated guiding automobile trunk support rod according to claim 3, wherein: The lamp rotating assembly (21) is provided with a lamp cavity (23) on the outside, the lamp strip (24) is housed inside the lamp cavity (23), and a transparent lamp cover (25) is fitted on the outside of the lamp cavity (23).

5. The vehicle trunk support rod with illumination guidance of claim 4, wherein: The fixed coil (26) has a wire that passes through the outside of the lamp fixed end seat (22) and is powered by the wire and the wire harness (13). The outer wire of the driven coil (29) passes through the lamp rotating assembly (21) and the lamp cavity (23) and is electrically connected to the lamp.

6. A car trunk support rod with lighting guidance according to claim 4, characterized in that: The lamp cavity (23) is provided with a flap mounting hole (210) on the outside.

7. A car trunk support rod with lighting guidance according to claim 1, characterized in that: The inner side of the lamp fixing end seat (22) is evenly provided with a toothed groove (212), and the outer side of the lamp rotating assembly (21) is provided with a damping spring (211), and the outer teeth of the damping spring (211) mesh with the toothed groove (212).

8. A car trunk support rod with lighting guidance according to claim 6, characterized in that: The flap (31) is installed inside the flap mounting hole (210). The number of flaps (31) is set according to the number of light sources of the light strip (24). A hinge point is provided on the outer side of several flaps (31). Each hinge point is connected in series synchronously through a connecting rod (33). A knob (32) is installed on the outer side of the hinge point between any flap (31) and the lamp cavity (23).

9. A car trunk support rod with lighting guidance according to claim 7, characterized in that: One end of the damping clasp (211) is fixed to the lamp rotating assembly (21), and the outer wall of the damping clasp (211) is elastic.

10. A car trunk support rod with lighting guidance according to claim 1, characterized in that: The lamp fixing end bracket (22) is provided with a fixing hole (213).