A roof rack

Abstract

This invention discloses a roof rack, comprising a rack body, a storage compartment, and a drive mechanism. The rack body has several tracks inside, with the storage compartment centrally located on the rack body. The storage compartment has pulleys on its sides that move along the tracks. The drive mechanism is connected to a push-pull mounting plate, which is hinged to the end of the storage compartment. The drive mechanism pushes the storage compartment out of the rack body via the mounting plate. One end of the storage compartment is attached to the end of a track via pulleys, while the other end flips downwards. A pair of bidirectional slide rails and a flip-up cover are slidably connected inside the storage compartment. The flip-up cover is hinged to the end of the bidirectional slide rails, which can simultaneously slide the flip-up cover into or out of the storage compartment. This invention centrally positions carried luggage on the rack body, maintaining vehicle stability during transport.

Description

Technical Field

[0001] This invention relates to the field of luggage rack technology, and in particular to a roof luggage rack for vehicles. Background Technology

[0002] A roof rack is a support device installed and fixed to the roof of a vehicle to secure luggage. It can support large items and also serves a decorative purpose. After the roof rack is secured to the roof, the luggage is manually lifted onto the roof, placed on the rack, and then secured. For some relatively large and heavy outdoor recreational items that are inconvenient to carry, placing them on the roof rack in a centered position can affect the vehicle's stability while driving.

[0003] Chinese invention patent application number 2021110667280 discloses an electric roof-mounted lift luggage rack for automobiles. This invention uses an electric device to drive a rotating synchronous belt, which, through a connecting plate, links the bottom support base housing and the top main sliding housing to move in opposite directions. The bottom support base housing is fixed to the roof. The rotating synchronous belt drives the middle support sliding housing and the top main support sliding housing to translate and overlap relative to the bottom support base housing, thus raising and lowering the luggage rack. Large items are placed on the top main support sliding housing, and the upper and lower support connecting rods rotate accordingly. The connection between the upper and lower support connecting rods allows the top main support sliding housing to be positioned relatively horizontally outside the middle support sliding housing, lowering the overall placement space of the luggage rack. The rotating synchronous belt and connecting plate then connect the middle support sliding housing and the top main support sliding housing, enabling the luggage rack to unfold and fold.

[0004] The existing roof racks described above have relatively complex structures, and the electric power unit follows the unfolding and stacking of the support frame, requiring consideration of wiring issues during implementation. Furthermore, when luggage is placed and the roof rack is raised to the top of the vehicle, it is difficult to ensure that the luggage is positioned in the center of the roof, which can easily affect the vehicle's stability. Summary of the Invention

[0005] The purpose of this invention is to provide a roof rack for vehicles, in which a drive mechanism pushes out a storage compartment via a push-pull mounting plate to attach it to the end of the roof rack body. The outer end flips downward for easy placement of items. The drive mechanism then pulls the storage compartment back to its original position via the push-pull mounting plate. The storage compartment is centrally located on the roof rack body, reducing its impact on the vehicle's center of gravity and maintaining good driving stability. The storage compartment slides in and out via a two-way sliding rail, enabling its opening and closing, making it more convenient to put in and take out items.

[0006] To solve the above-mentioned technical problems, the technical solution provided by the present invention is: a roof rack, including a rack body, a storage compartment and a drive mechanism. The rack body has several tracks inside, the storage compartment is centrally located on the rack body, and the storage compartment has pulleys on its side that move in the tracks. The drive mechanism is connected to a push-pull hanging plate, which is hinged to the end of the storage compartment. The drive mechanism pushes the storage compartment out of the rack body through the push-pull hanging plate. One end of the storage compartment is hung on the end of the track by the pulleys, and the other end flips downward. A pair of bidirectional slide rails and a flip cover are slidably connected inside the storage compartment. The flip cover is hinged to the end of the bidirectional slide rails, and the bidirectional slide rails can drive the flip cover to slide in or out of the storage compartment synchronously.

[0007] This invention employs the aforementioned technical solution. The luggage rack body is fixed to the top of the vehicle, with the storage compartment centrally located on the luggage rack body. Carrying items will not affect the vehicle's center of gravity, maintaining the vehicle's stability during driving. The storage compartment is extended via a drive mechanism; at this point, one end of the storage compartment hangs on the end of the luggage rack body, while the other end flips downwards, allowing people to easily stand and retrieve items from the storage compartment. To open and close the storage compartment, pulling the flip cover causes it to slide out of the storage compartment via a bidirectional slide rail, extending the flip cover out of the storage compartment. The flip cover moves away in both directions to open the storage compartment. Pushing the flip cover allows it to slide back into the storage compartment from the outside, closing the storage compartment via the bidirectional slide rail. The operation is convenient and the actions are synchronized.

[0008] The aforementioned roof rack also features a hinged flip platform on its flip cover. The flip platform is hinged to the flip cover and flips upwards by 90 degrees. Large items can be placed in the space between the flip platforms and then secured. This allows for the transport of large items by placing them between the flip platforms and securing them by passing them through the binding holes on the flip platforms, thus securing the items more firmly.

[0009] The aforementioned roof rack's drive mechanism includes a motor bracket, a drive motor, and a chain. The motor bracket is located inside the roof rack body, and the drive motor is mounted on the motor bracket. The drive motor is connected to the chain via gears, and the chain is connected to a connecting block. A first positioning rod extends from the side of the push-pull hanging plate and connects to the connecting block. The drive motor drives the chain to reciprocate along a chain movement track and a chain return track inside the roof rack body. The connecting block is positioned within the chain movement track, and the chain movement track and the chain return track are connected. The drive motor drives the gears to rotate, causing the chain to circulate and reciprocate within the chain movement track and the chain return track. The chain pushes the push-pull hanging plate through the connecting block, realizing the pushing and pulling of the storage compartment. During the pushing and pulling of the storage compartment, the connecting block is positioned within the chain movement track, ensuring stable movement of the push-pull hanging plate.

[0010] The aforementioned roof rack features rollers arranged side-by-side on its underside, which provide rolling support to the bottom of the storage compartment. These rollers support the movement of the storage compartment on the roof rack, ensuring smoother movement during the pushing and pulling-back of the compartment.

[0011] The aforementioned roof rack features several tracks, including upper limit tracks and middle limit tracks. Three pulleys are located on the side wall of the storage compartment, positioned within the upper limit track, middle limit track, and chain track, respectively. These pulleys ensure smooth movement of the storage compartment on the roof rack body during its extension and retraction. When the storage compartment reaches the end of the roof rack body, the pulleys in the tracks engage with the ends of the tracks, hanging the storage compartment on the roof rack body. The outer end of the storage compartment then tilts downwards, allowing for easier access to items.

[0012] The aforementioned roof rack has a second positioning rod extending from the side of the push-pull mounting plate. This second positioning rod is positioned within the intermediate limit rail. By positioning the second positioning rod within the intermediate limit rail, the push-pull mounting plate maintains a smooth trajectory as it pushes out and pulls back into the storage compartment.

[0013] The aforementioned roof rack features positioning protrusions in its chain movement and chain return tracks, which engage with the gaps in the chain. A slotted section on the connecting block engages with these positioning protrusions. By engaging the positioning protrusions with the gaps in the chain and the slotted section on the connecting block, the chain remains on its tracks during movement.

[0014] The aforementioned roof rack has upward-curving arc sections at the ends of the upper and middle limit rails near the rack body. These upward-curving arc sections at the ends of the rails cause the storage compartment to tilt upwards and flip downwards at the front end when it moves outside the rack body, positioning it tilted downwards in front of the user, allowing the user to easily retrieve or place items while standing.

[0015] The aforementioned roof rack has a fixed guide rail inside the storage compartment, with a two-way sliding rail slidably connected to the fixed guide rail. The fixed guide rail supports the telescopic movement of the two-way sliding rail.

[0016] The aforementioned roof rack features rotatable limiting rollers at both ends of the fixed guide rail. Steel wire ropes are wound around these rollers, and the bidirectional slide rails are fixed to the steel wire ropes by fasteners. When one bidirectional slide rail is pulled, the other moves synchronously in the opposite direction, enabling bidirectional opening and closing. Users only need to operate one of the bidirectional slide rails during use.

[0017] The beneficial effects of this invention are as follows: The luggage rack body is fixed to the roof of the vehicle. A drive motor drives a push-pull mounting plate to extend the storage compartment. After extending from the end of the luggage rack body, the storage compartment flips downwards and tilts. The compartment is then opened in both directions by pulling the flip cover to retrieve and place items. The flip platform is then flipped upwards 90 degrees, allowing large items to be placed and secured. The drive motor pulls the push-pull mounting plate back into place, ensuring the storage compartment is centered on the luggage rack body, maintaining vehicle stability during operation. This invention facilitates user access to items, and the vehicle's stability is not affected by deviation from the center when carrying luggage. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the roof rack in the retracted state according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the roof rack in the storage compartment according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the luggage rack body according to an embodiment of the present invention; Figure 4 This is a cross-sectional structural schematic diagram of an embodiment of the present invention; Figure 5 yes Figure 4 Enlarged structural diagram at position A in the middle; Figure 6 This is a cross-sectional structural diagram of an embodiment of the present invention from another angle; Figure 7 yes Figure 6 A magnified structural diagram at position B in the middle; Figure 8 yes Figure 1 A schematic diagram of the connection structure between the drive mechanism and the storage compartment in an embodiment of the present invention; Figure 9 yes Figure 2 A schematic diagram of the connection structure between the drive mechanism and the storage compartment in an embodiment of the present invention; Figure 10 This is a schematic diagram of the cooperation structure between the bidirectional slide rail and the fixed guide rail according to an embodiment of the present invention; Figure 11 This is a schematic diagram of the roof rack installed on the roof in the retracted state according to an embodiment of the present invention; Figure 12 This is a schematic diagram of the roof rack installed on the roof when the storage compartment is lowered, according to an embodiment of the present invention. Figure 13 This is a schematic diagram illustrating the specific process of using an embodiment of the present invention.

[0019] Explanation of reference numerals in the attached drawings: Luggage rack body 1, track 1a, base 1b, roller 11, positioning protrusion 12, stress support rod 13, chain movement track 101, chain retraction track 102, upper limit track 103, middle limit track 104, arc section 105, track groove 111, pulley groove 112, storage compartment 2, pulley 21, bidirectional slide rail 22, flip cover 23, flipping platform 24, fixed guide rail 25, limit roller 26, wire rope 27, fastener 28, binding hole 241, drive mechanism 3, motor bracket 31, drive motor 32, chain 33, gear 34, connecting block 35, strip groove 351, push-pull hanging plate 4, first positioning rod 41, second positioning rod 42, vehicle 5. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] Reference Figure 1 , 2 As shown, a roof rack includes a rack body 1, a storage compartment 2, and a drive mechanism 3. The rack body 1 has several tracks 1a on its inner side. The storage compartment 2 is centrally located on the rack body 1, ensuring that items stored in it are centered within the rack body 1. Essentially, when the rack body 1 is mounted on the vehicle roof, its center coincides with the center of the roof, thus centering the items in the storage compartment 2. The storage compartment 2 has pulleys 21 on its side that move along the tracks 1a. The storage compartment 2 can move relative to the rack body 1 via the pulleys 21 to slide outwards from the rack body 1 for retrieving and placing items. Specifically, the drive mechanism 3 is connected to a push-pull mounting plate 4, which is hinged to the end of the storage compartment 2. The drive mechanism 3 pushes the storage compartment 2 out of the rack body 1 via the push-pull mounting plate 4. Because the push-pull mounting plate 4 is hinged to the end of the storage compartment 2, the drive mechanism 3 pushes the storage compartment 2 out of the rack body 1. When the storage compartment 2 is pulled out, the storage compartment 2 can rotate relative to the push-pull hanging plate 4, so that when the storage compartment 2 extends out of the luggage rack body 1, it can flip downward and be tilted in front of the user. One end of the storage compartment 2 is hung on the end of the track 1a by a pulley 21, and the other end flips downward. A pair of bidirectional slide rails 22 and a flip cover 23 are slidably connected to the inside of the storage compartment 2. The flip cover 23 is hinged to the end of the bidirectional slide rails 22. The bidirectional slide rails 22 can drive the flip cover 23 to slide in or out of the storage compartment 2 synchronously. The bidirectional slide rails 22 and the flip cover 23 slide out and slide in synchronously relative to the storage compartment 2, realizing synchronous opening from the top of the storage compartment 2 to both sides and synchronous closing to the middle. The flip cover 23 is hinged to the end of the bidirectional slide rails 22. It can also be rotated upward to open the storage compartment 2 from the top without pulling out the bidirectional slide rails 22. It has multiple usage modes in actual use and is more convenient for people to use.

[0022] The roof rack body 1 is fixed to the roof of the vehicle 5 via the base 1b. The storage compartment 2 rolls on the track 1a via pulleys 21, supporting the movement of the storage compartment 2 relative to the roof rack body 1. The push-pull hanging plate 4 connected to the drive mechanism 3 is hinged to the storage compartment 2. When the drive mechanism 3 pushes the push-pull hanging plate 4 to make linear movement, the push-pull hanging plate 4 drives the storage compartment 2 to move relative to the roof rack body 1, causing the storage compartment 2 to be pushed outward of the roof rack body 1. When the rear end of the storage compartment 2 moves to the outer end of the roof rack body 1, the storage compartment 2 is hung on the roof rack body 1 via the pulleys 21. The front end of the storage compartment 2 flips downward and the whole is in an inclined state, making it easy to retrieve and put in items. The drive mechanism 4 pulls the storage compartment 2 back by pushing and pulling the cover plate 4. By setting the cover plate 4, when the storage compartment 2 is pulled to the initial position by pushing and pulling the cover plate 4, the storage compartment 2 is located in the center position of the roof rack body 1 when it is fixed to the top of the vehicle 5 by the base 1b. When carrying luggage, the luggage can follow the storage compartment 2 to the center position on the roof of the vehicle, which will not affect the stability coefficient of the vehicle while driving.

[0023] When the storage compartment 2 is lowered, one of the flip-top covers 23 can be manually pulled to open the storage compartment 2 in both directions, revealing the internal space for taking out and putting in items. After that, push the flip-top cover 23 to close the storage compartment 2 in both directions, completing the taking out and putting in items.

[0024] Furthermore, a tilting platform 24 is hinged to the tilting cover 23. The tilting platform 24 can fit against the tilting cover 23, and can also tilt upwards by 90 degrees, so that the two tilting platforms 24 are in a relative state, such as... Figure 2 , Figure 11 As shown. Large items, such as rubber boats or assault boats, are placed within the space of the flipping platform 24. The large items are placed between the two flipping platforms 24 and then secured with straps. The flipping platform 24 has strapping holes 241 for threading ropes to secure the items. In practice, after the storage compartment 2 is flipped downwards, small items can be placed inside. Then, the storage compartment 2 is closed, and the flipping cover 23 closes onto the top of the storage compartment 2, sealing its internal space. Then, the flipping platform 24 is flipped outwards to open it. Figure 2 and Figure 11 As shown in number ③. At this time, large items such as assault boats and rubber boats are placed between the two flipping platforms 24. The ropes can be passed through the binding holes 241 on the flipping platform 24 to tie and fix the large items, thereby achieving the purpose of being able to carry small items and large items at the same time.

[0025] like Figure 3As shown, several tracks 1a are provided on the relatively inner side of the luggage rack body 1. The luggage rack body 1 is also provided with stress support rods 13, which are supported on the inner side of the luggage rack body 1. The tracks 1a include a chain movement track 101, a chain retraction track 102, an upper limit track 103, and a middle limit track 104. The outer wall of the storage compartment 2 is provided with pulleys 21 that roll in the upper limit track 103, the middle limit track 104, and the chain movement track 101. There are three pulleys 21 on the storage compartment 2.

[0026] like Figure 4 and Figure 5 As shown, in this embodiment, the track 1a is a groove structure formed on the inner side wall of the luggage rack body 1. The track 1a is composed of a track groove 111. A pulley groove 112 for accommodating the pulley 21 is also formed on the track groove 111. The pulley groove 112 is recessed into the two opposite side walls of the track groove 111. When the storage compartment 2 rolls in the track 1a by the pulley 21, the pulley groove 112 is used to limit the pulley 21, so that the storage compartment 2 is positioned inside the luggage rack body 1. The pulley 21 will not run out of the track groove 111, so that the storage compartment 2 moves stably and reliably relative to the luggage rack body 1.

[0027] like Figure 8 , 9The diagram shows the structure of the drive mechanism 3 for pushing and pulling the storage compartment 2. The drive mechanism 3 includes a motor bracket 31, a drive motor 32, and a chain 33. The motor bracket 31 is located inside the luggage rack body 1. The drive motor 32 is mounted on the motor bracket 31 and connected to the chain 33 via a gear 34. The chain 33 is connected to a connecting block 35. A first positioning rod 41 extends from the side of the push-pull hanging plate 4 and connects to the connecting block 35. The drive motor 32 drives the chain 33 to reciprocate along the chain movement track 101 and the chain return track 102 inside the luggage rack body 1. The connecting block 35 is positioned within the chain movement track 101, and the chain movement track 101 and the chain return track 102 are connected. In this embodiment, the motor bracket 31 is a hollow tubular structure, located inside the luggage rack body 1, with the drive motor 32 inside the motor bracket 31. The motor shaft of the drive motor 32 is connected to the gear 34, causing the gear 34 to rotate. A chain 33 is wound around a gear 33. One end of the chain 33 is fixedly connected to a connecting block 35, which is fixedly connected to a first positioning rod 41 on the side of the push-pull hanging plate 4. The free end of the chain 33 is placed in the chain recovery track 102. When the drive motor 32 drives the chain 33 to push and pull the storage compartment 2, the chain 33 is positioned in the chain movement track 101 and the chain recovery track 102. The drive motor 32 drives the gear 34 to rotate, causing the chain 33 to circulate back and forth in the chain movement track 101 and the chain recovery track 102. The chain 33 pushes the push-pull hanging plate 4 through the connecting block 35, realizing the pushing and pulling of the storage compartment 2. During the pushing and pulling of the storage compartment 2, the connecting block 35 is positioned in the chain movement track 101, stabilizing the movement of the push-pull hanging plate 4. The chain movement track 101 and the chain recovery track 102 are connected at one end and not connected at the other end. The connected side is located at one end of the gear 34. When the drive motor 32 drives the chain 33 to move, the chain 33 can cross between the connected chain movement track 101 and the chain recovery track 102.

[0028] In this embodiment, the drive motor 32, chain 33, chain movement track 101, and chain retraction track 102 are symmetrically arranged inside the luggage rack body 1, and the two drive motors 32 operate synchronously. In other embodiments, the drive mechanism 32 may also include a motor, which uses gear and worm gear transmission to achieve synchronous and unidirectional movement of the chains 33 on both sides, thus achieving the purpose of driving the chains 33 to move the push-pull hanging plate 4.

[0029] When the drive motor 32 controls the storage compartment 2 to stop at the initial position of the luggage rack body 1, the internal structure is as follows: Figure 8 As shown, most of the chain 33 is in the chain recovery track 102. When the storage compartment 2 is lowered to the outside of the luggage rack body 1 under the control of the drive motor 32, the internal structure is as follows: Figure 9As shown, most of the chain 33 is within the chain movement track 101. By designing the chain length, the storage compartment 2 can be accurately positioned in the center of the luggage rack body 1 and placed outside the luggage rack body 1.

[0030] like Figure 3 As shown, rollers 11 are arranged side-by-side on the bottom side of the luggage rack body 1, and the rollers 11 are rotatably supported at the bottom of the storage compartment 2. A second positioning rod 42 extends from the side of the push-pull hanging plate 4, and the second positioning rod 42 is positioned in the intermediate limiting rail 104. The upper limiting rail 103 and the intermediate limiting rail 104 have upwardly curved arc-shaped sections 105 near the ends of the luggage rack body 1. When the pulley 21 on the side wall of the storage compartment 2 moves to the arc-shaped section 105, the tail end of the storage compartment 2 tilts upward, and the pulley 21 hangs on the end of the arc-shaped section 105, making the storage compartment 2 more attractively presented to the user at an angle, allowing the user to easily retrieve and place items while standing. Figure 2 and 3 As shown, during the movement of the storage compartment 2 towards the outside of the luggage rack body 1, the front end of the storage compartment 2 gradually extends beyond the luggage rack body 1. As the rear end of the storage compartment 2 moves to the curved section 105, the pulley 21 on the side of the storage compartment 2 is confined in the track groove 111, particularly in the pulley groove 112, allowing the storage compartment 2 to move securely relative to the luggage rack body 1, enabling it to slide in and out. When the storage compartment 2 reaches the outer end of the luggage rack body 1, the pulley 21 enters the curved section 105. During the movement of the curved section 105, the rear end of the storage compartment 2 gradually tilts upwards, while the front end correspondingly tilts downwards. When the pulley 21 reaches the end of the curved section 105, the storage compartment 2 is hooked onto the luggage rack body 1. At this point, the front end of the storage compartment 2 is downwards, and the entire compartment is tilted, allowing people to stand directly in front of the luggage rack to retrieve and place items, greatly facilitating the operation.

[0031] Further reference Figure 6 and Figure 7 As shown, the chain movement track 101 and the chain return track 102 are provided with positioning protrusions 12 that fit into the gaps of the chain 33, and the connecting block 35 has a strip groove 351 that fits into the positioning protrusions 12. The positioning protrusions 12 fit into the gaps of the chain 33 and the strip groove 351 of the connecting block 35, ensuring stable movement of the chain 33 and the connecting block 35 in the chain movement track 101 and the chain return track 102, and preventing them from slipping out.

[0032] Reference Figure 8-10As shown, a fixed guide rail 25 is provided inside the storage compartment 2, and a bidirectional slide rail 22 is slidably connected to the fixed guide rail 25. Limiting rollers 26 are rotatably provided at both ends of the fixed guide rail 25, and steel wire ropes 27 are wound around the two limiting rollers 26. The bidirectional slide rail 22 is fixed to the steel wire ropes 27 by a fixing member 28. When one of the tilting platforms 24 is operated and pulled outwards, the bidirectional slide rail 22 slides out relative to the fixed guide rail 25. Since the fixing member 28 fixes the bidirectional slide rail 22 and the steel wire ropes 27, operating one tilting platform 24 can simultaneously open and close the other tilting platform 24, achieving bidirectional synchronous opening and closing of the storage compartment 2.

[0033] Further reference Figure 10 As shown, the two fixing members 28 are located on the upper and lower sides of the wire rope 27 respectively, so that when the flip cover 23 is pushed and pulled, the bidirectional slide rail 22 moves synchronously in opposite directions.

[0034] like Figure 8 As shown, storage compartment 2 is in its initial position on the luggage rack body 1, with items inside closed. A two-way slide rail 22 extends into storage compartment 2, a flip-top cover 23 covers the slide rail 22, and a flip platform 24 covers the flip-top cover 23. When large items such as inflatable boats or speedboats need to be carried, the flip platform 24 flips upwards from the flip-top cover 23 to open, and then the large items are secured. Figure 9 As shown, storage compartment 2 is located on the outside of the luggage rack body 1. At this time, storage compartment 2 is tilted and displayed in front of the user. Figure 13 As shown in numbers ④-⑦. Because storage compartment 2 is tilted, the user can independently operate the lower flip-top cover 23 to open it. The bidirectional slide rail 22 extends outward from inside storage compartment 2, and through the action of the steel wire rope 27, the opposing bidirectional slide rail 22 and flip-top cover 23 move upward, thereby opening storage compartment 2. Due to the gravity of the bidirectional slide rail 22 and flip-top cover 23, storage compartment 2 can remain open when no force is applied to it.

[0035] Figure 11 and Figure 12 This is a structural diagram showing the initial state and the state with the storage compartment 2 lowered when the roof rack is installed on top of the vehicle 5. The roof rack body 1 is installed on top of the vehicle 5 via the base 1b. In the initial position, the storage compartment 2 is located in the center of the roof rack body 1, ensuring that items in the storage compartment 2 are also located in the center of the top of the vehicle 5, thus not affecting the vehicle's driving stability. When the drive mechanism 3 moves the storage compartment 2 to the outside of the roof rack body 1 and hangs it at the end of the roof rack body 1, the storage compartment 2 is in an inclined state, allowing the user to operate and retrieve items while standing, which is convenient and quick.

[0036] Reference Figure 13 The diagram shown is a schematic representation of the specific process in use according to an embodiment of the present invention. Figure 11 Starting with step ①, the fully automatic side-opening storage compartment will align as shown in step ②. Then, manually or via electronic control, the storage compartment will automatically open, as shown in steps ③, ④, and ⑤. After opening, small items such as life jackets and oars can be placed inside. The storage compartment will then automatically lock, as shown in steps ⑥ and ⑦. After closing, large items such as inflatable boats or speedboats can be placed between the flip-up platforms and secured with quick-release straps through the securing holes. Finally, control the storage compartment to rise and return to the center position of the luggage rack body 1, as shown in step ⑧.

[0037] In summary, as described in the specification and figures, the present invention has been manufactured into actual samples and subjected to multiple usage tests. The results of these tests demonstrate that the present invention achieves its intended purpose, and its practical value is undeniable. The embodiments described above are merely illustrative examples and are not intended to limit the present invention in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present invention, without departing from the scope of the technical features of the present invention, shall still fall within the scope of the technical features of the present invention.

Claims

1. A roof rack, comprising a rack body (1), a storage compartment (2), and a drive mechanism (3), characterized in that: The luggage rack body (1) has several tracks (1a) on its inner side. The storage compartment (2) is centrally located on the luggage rack body (1). The storage compartment (2) has pulleys (21) on its side that move in the tracks (1a). The drive mechanism (3) is connected to a push-pull hanging plate (4). The push-pull hanging plate (4) is hinged to the end of the storage compartment (2). The drive mechanism (3) pushes the storage compartment (2) out of the luggage rack body (1) through the push-pull hanging plate (4). One end of the storage compartment (2) is hung on the end of the track (1a) through the pulley (21), and the other end flips downward. A pair of bidirectional slide rails (22) and a flip cover (23) are slidably connected to the inner side of the storage compartment (2). The flip cover (23) is hinged to the end of the bidirectional slide rails (22). The bidirectional slide rails (22) can drive the flip cover (23) to slide into or out of the storage compartment (2) synchronously.

2. The roof rack according to claim 1, characterized in that: A flipping table (24) is also hinged to the flipping cover plate (23).

3. The roof rack according to claim 1, characterized in that: The drive mechanism (3) includes a motor bracket (31), a drive motor (32), and a chain (33). The motor bracket (31) is located on the inner side of the luggage rack body (1). The drive motor (32) is located on the motor bracket (31). The drive motor (32) is connected to the chain (33) through a gear (34). The chain (33) is connected to a connecting block (35). The side of the push-pull hanging plate (4) extends out a first positioning rod (41) and connects to the connecting block (35). The drive motor (32) drives the chain (33) to reciprocate along the chain movement track (101) and the chain recovery track (102) inside the luggage rack body (1). The connecting block (35) is positioned in the chain movement track (101). The chain movement track (101) and the chain recovery track (102) are connected.

4. The roof rack according to claim 1, characterized in that: The luggage rack body (1) has rollers (11) arranged side by side on the bottom side, and the rollers (11) are rolled and supported at the bottom of the storage compartment (2).

5. The roof rack according to claim 3, characterized in that: The plurality of tracks (1a) include an upper limit track (103) and a middle limit track (104). The storage compartment (2) has three pulleys (21) on its side wall, which are respectively positioned in the upper limit track (103), the middle limit track (104) and the chain movement track (101).

6. The roof rack according to claim 5, characterized in that: The side of the push-pull hanging plate (4) has a second positioning rod (42), which is positioned in the middle limiting track (104).

7. The roof rack according to claim 5, characterized in that: The chain movement track (101) and chain recovery track (102) are provided with positioning protrusions (12) that are engaged in the gaps of the chain (33), and the connecting block (35) is provided with a strip groove (351) that is engaged in the positioning protrusions (12).

8. The roof rack according to claim 3, characterized in that: The upper limit track (103) and the middle limit track (104) have an upwardly curved arc section (105) at the end near the luggage rack body (1).

9. The roof rack according to claim 1, characterized in that: The storage compartment (2) is provided with a fixed guide rail (25) on the inner side, and the bidirectional slide rail (22) is slidably connected to the fixed guide rail (25).

10. The roof rack according to claim 9, characterized in that: The fixed guide rail (25) has rotatable limiting rollers (26) at both ends, and steel wire ropes (27) are wound on the two limiting rollers (26). The bidirectional slide rail (22) is fixed on the steel wire ropes (27) by a fixing member (28).

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