Length-adjustable roof rack

Abstract

The length-adjustable roof rack comprises two groups of main rods, a plurality of cross rods are uniformly mounted between the two groups of main rods, each group of main rods comprises two branch rods, the two branch rods are connected through a connecting frame, the connecting frame is arranged on the outer sides of the branch rods in a sliding manner, and mounting through grooves corresponding to the end parts of the cross rods are formed in the connecting frame. Connectors are symmetrically arranged at the two ends of the cross rod, connecting blocks are symmetrically arranged on the surfaces of the two sides of each connector, and screw holes are formed in the side surfaces of the connecting blocks and the corresponding inner side surfaces of the main rod. The two sets of main rods are each composed of two branch rods which are connected through the connecting frame, the overall length of the luggage rack can be flexibly adjusted by adjusting the positions between the connecting frame and the two branch rods, objects of different sizes can be placed and fixed according to using requirements, and the using flexibility is greatly improved; and the loading capacity, the adaptive capacity and the like can be further improved by matching a luggage rope net.

Description

Technical Field

[0001] This utility model relates to the field of vehicle parts technology, specifically to an adjustable-length roof rack. Background Technology

[0002] Roof racks are external load-bearing devices for automobiles, primarily suitable for van-type vehicles such as station wagons, SUVs, and MPVs. This equipment not only enhances the vehicle's visual appeal but, more importantly, breaks through the space limitations of the trunk, providing a safe and reliable transportation solution for oversized items (such as bicycles, surfboards, and camping equipment) or irregularly shaped objects.

[0003] Current mainstream products on the market generally suffer from structural limitations: their fixed-size, integrated design prevents the effective load-bearing area from being adjusted to accommodate actual cargo needs, resulting in low flexibility. Therefore, we propose an adjustable-length roof rack. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide an adjustable length roof rack. The overall length of the roof rack can be flexibly adjusted by adjusting the position between the connecting frame and the two branch rods, so that it can hold and fix items of different sizes according to the needs of use, which greatly improves the flexibility of use and can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an adjustable length roof rack, comprising two sets of main rods, with a plurality of crossbars evenly installed between the two sets of main rods, each set of main rods comprising two branch rods, the two branch rods being connected by a connecting frame, the connecting frame being slidably disposed on the outside of the branch rods, and having an installation through groove on the connecting frame corresponding to the end of the crossbar.

[0006] As a preferred technical solution of this utility model, the two ends of the crossbar are symmetrically provided with connectors, and the two sides of the connectors are symmetrically provided with connecting blocks. The side surface of the connecting blocks and the corresponding inner surface of the main bar are provided with screw holes, and bolts are connected to the screw holes by internal threads. The mounting slots on the connecting frame correspond to the connectors and connecting blocks.

[0007] As a preferred embodiment of this utility model, fastening screw holes are provided at the center of the side surface of the connector and at the corresponding location on the side surface of the main rod, and bolts are threaded into the fastening screw holes.

[0008] As a preferred embodiment of this utility model, a railing is installed on the upper surface of the main pole.

[0009] As a preferred technical solution of this utility model, the upper surface of the main rod is provided with a groove, and several sets of railing fixing blocks are evenly installed in the groove. The upper surfaces of both ends of the railing and the upper surfaces of the railing fixing blocks are provided with screw holes, and fixing bolts are threaded into the screw holes.

[0010] In a preferred embodiment of this invention, the railing and the connecting frame are fixedly connected by bolts.

[0011] As a preferred technical solution of this utility model, a tail wing bracket mounting component is installed in the middle of the crossbar between the ends of the two sets of main rods by fixing bolts, and a tail wing bracket is installed on the tail wing bracket mounting component.

[0012] As a preferred technical solution of this utility model, a front spotlight mounting component is installed in the middle of the crossbar between the other ends of the two sets of main rods by fixing bolts, and two front spotlights are symmetrically arranged on both sides of the front spotlight mounting component.

[0013] Compared with the prior art, the beneficial effects of this utility model are: each of the two main rods consists of two sub-rods and is connected by a connecting frame. The overall length of the luggage rack can be flexibly adjusted by adjusting the position between the connecting frame and the two sub-rods, so that items of different sizes can be placed and fixed according to the needs of use, which greatly improves the flexibility of use. When combined with luggage rope net, it can further enhance the loading capacity and adaptability. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a side view of the structure of this utility model;

[0016] Figure 3 This utility model Figure 2 Enlarged view of the structure at point A;

[0017] Figure 4 This utility model Figure 2 Enlarged view of the structure at point B;

[0018] Figure 5 This is a top view of the structure of this utility model;

[0019] Figure 6 This is a bottom view of the structure of this utility model.

[0020] In the diagram: 1. Main pole, 2. Crossbar, 3. Connector, 4. Connecting block, 5. Fastening screw hole, 6. Connecting frame, 7. Guardrail fixing block, 8. Guardrail, 9. Tail wing bracket, 10. Tail wing bracket mounting piece, 11. Front spotlight, 12. Front spotlight mounting piece. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-5 This utility model provides a technical solution: an adjustable-length roof rack, comprising two sets of main rods 1, with a plurality of crossbars 2 evenly installed between the two sets of main rods 1, forming the main body of the roof rack. The main rods 1 are mounted on the roof of the vehicle by an external fixing device, which adopts a fixing device and fixing method commonly used in existing roof racks.

[0023] Each main pole 1 includes two sub-poles, which are connected by a connecting frame 6. The overall length of the luggage rack can be flexibly adjusted by adjusting the position of the connecting frame 6 and the two sub-poles, so that items of different sizes can be placed and fixed according to the needs of use, which greatly improves the flexibility of use. When combined with luggage rope net, it can further enhance loading capacity and adaptability.

[0024] Specifically, both sides of the branch rods are provided with sliding grooves, and the inner surface of the connecting frame 6 is provided with corresponding sliding strips. The sliding strips are slidably set in the sliding grooves, that is, the two branch rods are slidably connected to the connecting frame 6. The overall length of the main rod 1 can be changed by moving the connecting frame 6 and the branch rods back and forth to accommodate luggage of different sizes. When installed on the roof, the connecting frame 6 can be fixed to the roof and both branch rods can slide, or the connecting frame 6 and one of the branch rods can be fixed to the roof and the other branch rod can slide inside the connecting frame 6 for adjustment.

[0025] Preferably, the connecting frame 6 has several mounting slots corresponding to the ends of the crossbars 2. When adjusting the relative position of the branch rod and the connecting frame 6, first remove the crossbar 2 at the connection point between the branch rod to be moved and the connecting frame 6, then move the branch rod. After adjusting it to the correct position, pass the crossbar 2 through the mounting slots and fix it to the branch rod, while simultaneously fixing the connecting frame 6. The fixing frame 6 can be entirely covered or three-sidedly covered and slidably disposed on the outside of the main rod 1.

[0026] Specifically, connectors 3 are symmetrically arranged at both ends of the crossbar 2, and connecting blocks 4 are symmetrically arranged on both sides of the connector 3. The side surface of the connecting block 4 and the corresponding inner surface of the main rod 1 are provided with screw holes, and bolts are connected to the screw holes with internal threads. The mounting slots on the connecting frame 6 correspond to the connectors 3 and connecting blocks 4. That is, the crossbar 2, the main rod 1 and the connecting frame 6 are connected and fixed by bolts, which is convenient for disassembly and assembly and simple for operation.

[0027] In a preferred embodiment, fastening screw holes 5 are provided at the center of the side surface of the connector 3 and at the corresponding location on the side surface of the main rod 1. Bolts are connected to the internal threads of the fastening screw holes 5, which can further strengthen the connection between the crossbar 2 and the main rod 1 and improve the overall strength of the luggage rack.

[0028] In a preferred embodiment, a railing 8 is installed on the upper surface of the main rod 1 to intercept items fixed on the luggage rack from both sides, preventing items from shifting or even falling off due to centrifugal force during vehicle turns, thereby improving road driving safety.

[0029] In a further preferred technical solution, a groove is provided on the upper surface of the main rod 1, and several sets of railing fixing blocks 7 are evenly installed in the groove. Screw holes are provided on the upper surfaces of both ends of the railing 8 and the upper surfaces of the railing fixing blocks 7. Fixing bolts are threaded into the screw holes. The railing 8 can be flexibly installed in the corresponding position according to the specific items to be fixed, so that the luggage rack can better cooperate with the luggage rope net to fix the items.

[0030] Furthermore, the railing 8 can be easily disassembled when adjusting the length of the main rod 1 by means of fixing bolts, so as to accommodate the length of the luggage rack and the adjustment of the railing position.

[0031] In a preferred embodiment, the railing 8 and the connecting frame 6 are fixedly connected by bolts. That is, several corresponding screw holes are also provided on the upper surface of the connecting frame 6. When one or both ends of the railing 8 are at the connecting frame 6, the railing 8 can be easily fixed and installed.

[0032] One end of the railing 8 can be fixedly mounted on the connecting frame 6, and the other end can be connected to the main rod 1 by bolts. This makes the position of the railing 8 relatively fixed and more secure, but it also reduces some flexibility.

[0033] The main pole 1 and crossbar 2 are relatively low in height (less than 10cm), which can effectively reduce wind resistance and wind noise.

[0034] An optional technical solution is that a tail wing bracket mounting component 10 is installed in the middle of the crossbar 2 between the ends of the two sets of main rods 1 by fixing bolts. A tail wing bracket 9 is installed on the tail wing bracket mounting component 10. The tail wing bracket 9 reduces the lift generated by the vehicle when driving at high speed, thereby increasing the downforce of the vehicle and improving driving stability.

[0035] The tail fin support 9 is made of materials such as fiberglass or carbon fiber to ensure that it provides downforce without adding too much weight or drag.

[0036] The rear wing bracket 9 is mounted on the roof rack via the rear wing bracket mounting piece 10. The rear wing bracket 9 can be replaced at any time with a more suitable model and driving style by removing the fixing bolts, which further improves the flexibility of use.

[0037] Optionally, a front spotlight mounting bracket 12 is installed in the middle of the crossbar 2 between the other ends of the two sets of main poles 1 via fixing bolts. Two front spotlights 11 are symmetrically arranged on both sides of the front spotlight mounting bracket 12, enhancing the vehicle's lighting capabilities at night, in the wild, or in low-light environments. This significantly improves visibility during nighttime driving or off-roading, reducing safety hazards. It is particularly suitable for camping scenarios, serving as ambient lighting to meet the needs of outdoor activities.

[0038] The bolts or fixing bolts used in this application can be hex socket head cap screws for easy and quick assembly and disassembly. Assembly and disassembly can be performed using a standard wrench or electric screwdriver.

[0039] The front spotlight 11 can be powered by a built-in battery within the front spotlight mount 12, a vehicle power supply, or a solar panel. Control methods include: in-vehicle physical switch control, integrated into the vehicle's central control system, controlled via a dedicated button or touchscreen; wireless remote control or APP control, requiring support for Bluetooth or remote control operation for convenient and flexible adjustment of on / off states and brightness; or linkage control, linked with the vehicle's headlights or driving modes, such as automatically activating the spotlights in off-road mode.

[0040] The parts not disclosed in this utility model are all prior art, and their specific structures, materials, and working principles will not be described in detail. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable-length roof rack, characterized in that: It includes two sets of main rods (1), and several crossbars (2) are evenly installed between the two sets of main rods (1). Each set of main rods (1) includes two branch rods. The two branch rods are connected by a connecting frame (6). The connecting frame (6) is slidably set on the outside of the branch rods, and the connecting frame (6) has an installation through groove corresponding to the end of the crossbar (2).

2. The adjustable-length roof rack according to claim 1, characterized in that: The two ends of the crossbar (2) are symmetrically provided with connectors (3), and the two sides of the connectors (3) are symmetrically provided with connecting blocks (4). The side surface of the connecting block (4) and the corresponding inner surface of the main rod (1) are provided with screw holes, and bolts are connected to the screw holes by internal threads. The mounting slot on the connecting frame (6) corresponds to the connectors (3) and the connecting blocks (4).

3. The adjustable-length roof rack according to claim 2, characterized in that: The center of the side surface of the connector (3) and the corresponding position of the side surface of the main rod (1) are both provided with fastening screw holes (5), and bolts are connected to the internal threads of the fastening screw holes (5).

4. The adjustable-length roof rack according to claim 1, characterized in that: A railing (8) is installed on the upper surface of the main pole (1).

5. The adjustable-length roof rack according to claim 4, characterized in that: The upper surface of the main rod (1) is provided with a groove, and several sets of railing fixing blocks (7) are evenly installed in the groove. The upper surfaces of both ends of the railing (8) and the upper surfaces of the railing fixing blocks (7) are provided with screw holes, and fixing bolts are threaded into the screw holes.

6. The adjustable-length roof rack according to claim 5, characterized in that: The railing (8) and the connecting frame (6) are fixedly connected by bolts.

7. An adjustable-length roof rack according to any one of claims 1-6, characterized in that: A tail wing mount (10) is installed in the middle of the crossbar (2) between the ends of the two sets of main rods (1) by fixing bolts, and a tail wing (9) is installed on the tail wing mount (10).

8. The adjustable-length roof rack according to claim 7, characterized in that: A front spotlight mounting piece (12) is installed in the middle of the crossbar (2) between the other ends of the two sets of main rods (1) by fixing bolts. Two front spotlights (11) are symmetrically arranged on both sides of the front spotlight mounting piece (12).

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