Multifunctional double-layer lifting vehicle-mounted tent

Abstract

The application discloses a multifunctional double-layer lifting type vehicle-mounted tent, which comprises a bottom frame, a first top frame, a second top frame, a first scissor type lifting frame, a second scissor type lifting frame and a driving mechanism; the lower end of the first scissor type lifting frame is pivotally connected to the bottom frame, the upper end of the second scissor type lifting frame is pivotally connected to the second top frame, the upper end of the first scissor type lifting frame is pivotally connected to the lower end of the second scissor type lifting frame, and the first scissor type lifting frame and the second scissor type lifting frame are pivotally connected to the first top frame together, so that the first scissor type lifting frame and the second scissor type lifting frame are linked together; the driving mechanism drives the first scissor type lifting frame and the second scissor type lifting frame of the linked lifting frame to be unfolded upwards or to be folded downwards, and then drives the first top frame and the second top frame to be unfolded upwards or to be folded downwards relative to the bottom frame. In the multifunctional double-layer lifting type vehicle-mounted tent, only one driving mechanism is used for each group of linked lifting frames, the structure is simple, and the multifunctional double-layer lifting type vehicle-mounted tent has a large activity space after being completely unfolded, and the user demand is met.

Description

[0001] This case claims Chinese priority, priority number: 2023115164130, priority date: 2023-11-14. Technical Field

[0002] This invention relates to the field of vehicle-mounted tent technology, and in particular to a multifunctional double-layer lifting vehicle-mounted tent. Background Technology

[0003] A car roof tent is a bracket installed on the roof of a vehicle to facilitate the carrying of large items. It forms the basis of all roof-mounted solutions for cars. Car roof tents are most commonly used for road trips and can be used to carry travel luggage, tents, and increase interior space. They can also be used to carry other sports equipment such as skis, bicycles, and sailboats.

[0004] Existing lift-type vehicle tents are mostly single-layer platforms, which have limited space and cannot meet the needs of larger spaces. Existing lift-type vehicle tents with double-layer structures are more complex and bulky due to the greater weight of the double-layer platforms and the more complicated components used to support and lift the entire platform structure, resulting in poor practicality.

[0005] To address the aforementioned problems, the inventors propose a multifunctional double-layer lifting vehicle tent that offers ample activity space and features a simple and stable structure. Summary of the Invention

[0006] The purpose of this invention is to provide a multifunctional double-layer lifting vehicle tent, which can be unfolded or folded through upper and lower double-layer lifting frames. When unfolded, it has two layers of storage space to meet the user's need for a larger activity space. In addition, the two sets of scissor-type lifting frames in the linkage lifting frame share a single drive mechanism, which is simple in structure and highly stable.

[0007] To achieve the above objectives, the solution of the present invention is as follows: a multifunctional double-layer lifting vehicle tent, comprising a base frame, a first top frame, a second top frame, a linkage lifting frame, and a drive mechanism. The base frame is used for mounting on a vehicle, the first top frame is located above the base frame, and the second top frame is located above the first top frame. The linkage lifting frame includes a first scissor-type lifting frame and a second scissor-type lifting frame. The lower end of the first scissor-type lifting frame is pivotally connected to the base frame, and the upper end of the second scissor-type lifting frame is pivotally connected to the second top frame. The upper end of the first scissor-type lifting frame and the lower end of the second scissor-type lifting frame are pivotally connected and together pivotally connected to the first top frame, so that the first scissor-type lifting frame and the second scissor-type lifting frame are linked.

[0008] The drive mechanism drives the first and second scissor lift frames of the linkage lifting frame to rise and unfold or to fall and retract, thereby causing the first and second top frames to rise and unfold or fall and retract relative to the base frame.

[0009] Further, the rear end of the multifunctional double-layer lifting vehicle-mounted tent is provided with two groups of linkage lifting frames, and the two groups of linkage lifting frames are symmetrically arranged on the left and right sides of the multifunctional double-layer lifting vehicle-mounted tent, and each group of linkage lifting frames is driven to lift by a driving mechanism.

[0010] Further, the driving mechanism is an electric telescopic rod, and the electric telescopic rod is elongated or shortened to drive the same ends of the two prongs of the scissor lifting frame connected to the electric telescopic rod to approach or move away from each other, and simultaneously drive the same ends of the two prongs of the other scissor lifting frame to approach or move away from each other, so that the first top frame and the second top frame are raised and unfolded or lowered and folded relative to the bottom frame.

[0011] Further, the first scissor lifting frame comprises a first prong and a second prong, and the second scissor lifting frame comprises a third prong and a fourth prong, wherein the upper end of the second prong is pivotally connected to the lower end of the third prong, and the pivot connection point is a movable pivot connection point A, and the movable pivot connection point A is slidably arranged on the first top frame through a sliding member;

[0012] The upper end of the first prong is pivotally connected to the lower end of the fourth prong, and the pivot connection point is a fixed pivot connection point B, and the fixed pivot connection point B is fixed on the first top frame.

[0013] Further, the bottom frame is provided with a first sliding rail opening upward along the length direction thereof, the lower end of the second prong is fixedly pivotally connected to one end of the first sliding rail, and the lower end of the first prong is slidably arranged on the first sliding rail through a first pulley set;

[0014] The second top frame is provided with a second sliding rail opening downward at a position corresponding to the first sliding rail, the upper end of the third prong is fixedly pivotally connected to one end of the second sliding rail, and the upper end of the fourth prong is slidably arranged in the second sliding rail through a second pulley set.

[0015] Further, the side surface of the first top frame is provided with a sliding groove extending along the length direction thereof, and the movable pivot connection points A of the first scissor lifting frame and the second scissor lifting frame are slidably arranged on the sliding groove through sliding members.

[0016] Further, the output end of the electric telescopic rod is pivotally connected to the third prong, the fixed end of the electric telescopic rod is pivotally connected to the second prong, the electric telescopic rod is elongated, the upper and lower ends of the third prong are respectively close to the upper and lower ends of the fourth prong, the second top frame is raised, and the upper and lower ends of the first prong are respectively close to the upper and lower ends of the second prong, the first top frame is raised; on the contrary, the electric telescopic rod is shortened, and the second top frame and the first top frame are lowered.

[0017] Further, a folding ladder is arranged between the bottom frame and the first top frame, the folding ladder comprising a first ladder frame and a second ladder frame, the lower end of the first ladder frame being pivotally connected to the bottom frame, the upper end of the first ladder frame being pivotally connected to the lower end of the second ladder frame, and the upper end of the second ladder frame being pivotally connected to the first top frame, the first top frame being raised or lowered to drive the second ladder frame to unfold or fold relative to the first ladder frame.

[0018] Further, a folding platform is arranged on the first top frame, the folding platform comprising a middle bottom plate, a first side plate and a second side plate, the middle bottom plate being fixed on the first top frame, the first side plate and the second side plate being rotatably arranged on both sides of the middle bottom plate, and the first side plate and the second side plate being stacked on the middle bottom plate in turn after being folded.

[0019] A skylight is arranged on the middle bottom plate, and a sliding cover is arranged on the skylight, the sliding cover being slid to open or close the skylight.

[0020] A top cover is arranged above the second top frame, the top cover being provided with a cover edge around the top cover, the top cover and the cover edge forming a storage space with an outer contour greater than or equal to that of the first top frame, the top cover being raised or lowered along with the second top frame, and the top cover covering the first top frame when being lowered to a position and hiding the folded second scissor lift frame in the storage space.

[0021] The middle part of the top cover is provided with an opening, and a cover is arranged at the opening to open or close the opening.

[0022] Further, detachable tent support frames for mounting tent cloth are arranged on both sides of the first top frame, the tent support frame comprising a fixed rod and a plurality of support rods rotating around an axis of the fixed rod, the support rods being unfolded to different angles from the fixed rod to provide a place for the tent cloth when the tent cloth needs to be mounted, and the support rods being folded to the fixed rod to be stored when the tent cloth needs to be folded.

[0023] After the above scheme is adopted, the application has the following beneficial effects:

[0024] The lifting of the multifunctional double-layer lifting type vehicle-mounted tent is realized by at least one set of linkage lifting frame and a driving mechanism, the first scissor lift frame is supported between the bottom frame and the first top frame, the second scissor lift frame is linked with the first scissor lift frame and supported between the first top frame and the second top frame, the driving mechanism drives the first scissor lift frame and the second scissor lift frame of the linkage lifting frame to be raised and unfolded or lowered and folded, and then drives the first top frame and the second top frame to be raised and unfolded or lowered and folded relative to the bottom frame.

[0025] The multifunctional double-layer lifting vehicle-mounted tent is mainly used for being installed on the rear tub of a pickup truck, and the bottom frame is carried on the rear tub of the vehicle, when being folded, the space between the first roof frame and the rear tub of the vehicle can be used for storing luggage, after being unfolded, the first roof frame and the rear tub of the vehicle form a first movable space, and the first roof frame and the second roof frame form a second movable space, i.e. an upper and lower double-layer movable space.

[0026] In the application, two scissor-type lifting frames in the linkage lifting frame share one driving mechanism, so that the setting of parts is greatly saved, and the structure of the whole multifunctional double-layer lifting vehicle-mounted tent is simpler.

[0027] In addition, the folding ladder connected with the bottom frame and the first roof frame is unfolded at the same time when the first roof frame is lifted, and is supported between the bottom frame and the first roof frame, which can be used for users to climb and can be used as a supporting part, so that the stability of the whole structure of the multifunctional double-layer lifting vehicle-mounted tent is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a folding state diagram (top) of the multifunctional double-layer lifting vehicle-mounted tent according to an embodiment of the application;

[0029] Figure 2 is a folding state diagram (bottom) of the multifunctional double-layer lifting vehicle-mounted tent according to an embodiment of the application;

[0030] Figure 3 is a three-dimensional diagram of the multifunctional double-layer lifting vehicle-mounted tent according to an embodiment of the application in an unfolded state;

[0031] Figure 4 is a side view of the multifunctional double-layer lifting vehicle-mounted tent according to an embodiment of the application in an unfolded state;

[0032] Figure 5 is a structural schematic diagram of the second roof frame and the second scissor-type lifting frame according to an embodiment of the application;

[0033] Figure 6 is a folding platform folding state diagram according to an embodiment of the application;

[0034] Figure 7 is a folding ladder structural schematic diagram according to an embodiment of the application;

[0035] Figure 8 is an unfolded state diagram of a tent supporting frame according to an embodiment of the application.

[0036] LABEL EXPLANATION:

[0037] 1. Base frame; 11. First slide rail; 2. First top frame; 21. Slide groove; 3. Second top frame; 31. Second slide rail; 4. First scissor lift frame; 41. First branch; 42. Second branch; 5. Second scissor lift frame; 51. Third branch; 52. Fourth branch; 6. Electric telescopic rod;

[0038] 7. Folding ladder; 71. First ladder frame; 72. Second ladder frame; 8. Folding platform; 81. Middle base plate; 82. First side plate; 83. Second side plate; 9. Skylight; 10. Sliding cover;

[0039] 12. Top cover; 121. Cover edge; 122. Crossbar; 123. Opening; 13. First pulley block; 14. Second pulley block; 15. Synchronizing rod; 16. Contact switch; 17. Tent support frame; 171. Fixing rod; 172. Support rod. Detailed Implementation

[0040] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] This invention provides a multifunctional double-layer lifting vehicle tent, such as... Figures 1 to 8 As shown, the system includes a base frame 1, a first top frame 2, a second top frame 3, a linkage lifting frame, a drive mechanism, and a folding ladder 7. The base frame 1 is used for installation on vehicles, primarily in the rear bed of pickup trucks. There are various ways to install the base frame 1 onto the vehicle's rear bed. In this embodiment, the base frame 1 has mounting holes and is locked to the vehicle's rear bed using bolts or other locking devices. Alternatively, the base frame 1 and the vehicle's rear bed can be installed by sliding along a slide rail.

[0042] The first top frame 2 is located above the base frame 1, and the second top frame 3 is located above the first top frame 2. The linkage lifting frame is used to raise or lower the first top frame 2 and the second top frame 3. When raised, a first movable space is formed between the base frame 1 and the first top frame 2, and a second movable space is formed between the first top frame 2 and the second top frame 3, thus forming a multifunctional double-layer lifting vehicle tent with double-layer accommodation space; when lowered, the first top frame 2 and the second top frame 3 fold sequentially above the base frame 1.

[0043] Key reference Figure 3 and Figure 4 The linkage lifting frame includes a first scissor lift 4 and a second scissor lift 5. The lower end of the first scissor lift 4 is pivotally connected to the base frame 1, and the upper end of the second scissor lift 5 is pivotally connected to the second top frame 3. The upper end of the first scissor lift 4 and the lower end of the second scissor lift 5 are pivotally connected, and together they are pivotally connected to the first top frame 2, so that the first scissor lift 4 and the second scissor lift 5 are linked.

[0044] In the embodiment, the rear end of the multifunctional double-layer lifting vehicle-mounted tent is provided with two groups of the linkage lifting frames, and the two groups of linkage lifting frames are symmetrically arranged on the left and right sides of the multifunctional double-layer lifting vehicle-mounted tent, so that the structure of the whole multifunctional double-layer lifting vehicle-mounted tent is more stable.

[0045] The specific structure and linkage relationship of the first scissor lifting frame 4 and the second scissor lifting frame 5 are as follows: as shown in Figure 3 and 4 , the first scissor lifting frame 4 comprises a first fork 41 and a second fork 42, and the second scissor lifting frame 5 comprises a third fork 51 and a fourth fork 52. As shown in Figure 3 , the bottom frame 1 is provided with a first sliding rail 11 opening upward along the length direction thereof; as shown in Figure 5 , the second top frame 3 is provided with a second sliding rail 31 opening downward at a position corresponding to the first sliding rail 11; as shown in Figure 3 , the side surface of the first top frame 2 is provided with a sliding groove 21 extending along the length direction of the first top frame 2 and penetrating left and right.

[0046] The lower end of the second fork 42 is fixedly pivoted on the first sliding rail 11; the upper end of the third fork 51 is fixedly pivoted on the second sliding rail 31; the upper end of the second fork 42 is pivoted with the lower end of the third fork 51, and the pivoting point is a movable pivoting point A (as shown in Figure 3 ), the movable pivoting point A is connected with a sliding piece, the sliding piece is arranged in the sliding groove 21 of the first top frame 2 and can slide along the sliding groove 21, so as to make the movable pivoting point A slide on the first top frame 2.

[0047] The lower end of the first fork 41 is pivoted with a first pulley set 13, and the first fork 41 is slidingly arranged on the first sliding rail 11 of the bottom frame 1 through the first pulley set 13; the upper end of the fourth fork 52 is pivoted with a second pulley set 14, and the fourth fork 52 is slidingly arranged on the second sliding rail 31 of the second top frame 3 through the second pulley set 14; and the upper end of the first fork 41 is pivoted with the lower end of the fourth fork 52, and the pivoting point is a fixed pivoting point B (as shown in Figure 8 ), the fixed pivoting point B is fixed on the first top frame 2 and located in the sliding direction of the movable pivoting point A. Thus, through the connection of the above components, the first scissor lifting frame 4 and the second scissor lifting frame 5 form a lifting structure linked with each other.

[0048] The present application is characterized in that one driving mechanism is arranged for each linkage lifting frame, that is, two scissor lifting frames in each linkage lifting frame share one driving mechanism, and the driving mechanism can be electric or pneumatic. In the embodiment, the driving mechanism is an electric telescopic rod 6. When the electric telescopic rod 6 is extended, the connected scissor lifting frame is unfolded upward or folded downward, and the other scissor lifting frame is unfolded upward or folded downward, so that the first top frame 2 and the second top frame 3 are lifted or lowered relative to the bottom frame 1.

[0049] In the embodiment, as shown in Figure 3 , the fixed end of the electric telescopic rod 6 is pivotally connected with the second fork 42, and the output end of the electric telescopic rod 6 is pivotally connected with the third fork 51. When the multifunctional double-layer lifting vehicle-mounted tent needs to be unfolded, the electric telescopic rod 6 is controlled to be extended, the lower end of the third fork 51 is brought close to the lower end of the fourth fork 52, the upper end of the fourth fork 52 is brought close to the upper end of the third fork 51, the second top frame 3 is lifted, the upper end of the first fork 41 is brought close to the upper end of the second fork 42, the lower end of the first fork 41 is brought close to the lower end of the second fork 42, the first top frame 2 is lifted, and the electric telescopic rod 6 stops extending when the first top frame 2 and the second top frame 3 are lifted into position. Conversely, the electric telescopic rod 6 is shortened, the second top frame 3 and the first top frame 2 are lowered, and the folding is achieved. Two scissor lifting frames in each linkage lifting frame share one driving mechanism, which not only reduces the use of parts, but also makes the structure of the whole multifunctional double-layer lifting vehicle-mounted tent simpler and the unfolding and folding more convenient.

[0050] In addition, the pivot points A on the left and right sides of the first top frame 2 are linked through a synchronous rod 15, as shown in Figure 2 , the synchronous rod 15 passes through the left and right side sliding grooves 21 and is connected with the left and right side movable pivot points A. The main function of the synchronous rod 15 is to realize the linkage of the left and right side movable pivot points A. Specifically, when the left and right side movable pivot points A move, the synchronous rod 15 can ensure that the positions and movement states of the left and right side movable pivot points A are consistent, thereby improving the stability and coordination of the whole mechanism.

[0051] For reference Figure 4 and Figure 7, in order to facilitate the user to get on the second floor platform, the bottom frame 1 and the first top frame 2 of the multifunctional double-layer lifting type vehicle-mounted tent are provided with a folding ladder 7, in the embodiment, the folding ladder 7 is located at the front end of the multifunctional double-layer lifting type vehicle-mounted tent, and is located at the side close to the vehicle head of the multifunctional double-layer lifting type vehicle-mounted tent. The folding ladder 7 is unfolded and supported between the bottom frame 1 and the first top frame 2 along with the rising of the first top frame 2, or is folded between the bottom frame 1 and the first top frame 2 along with the descending of the first top frame 2. Specifically, the folding ladder 7 comprises a first ladder frame 71 and a second ladder frame 72, the upper end of the first ladder frame 71 is pivotally connected with the lower end of the second ladder frame 72, the lower end of the first ladder frame 71 is pivotally connected with the bottom frame 1, and the upper end of the second ladder frame 72 is pivotally connected with the first top frame 2. The pivot connection between the first ladder frame 71 and the second ladder frame 72 is provided with a locking device (not shown in the figure), and the front end of the first ladder frame 71 is provided with a contact switch 16.

[0052] When the first top frame 2 rises, the second ladder frame 72 is unfolded relative to the first ladder frame 71, at this time, the first ladder frame 71 and the second ladder frame 72 are not completely unfolded, and the included angle between them does not reach 180°, and it is needed to manually press to make the first ladder frame 71 and the second ladder frame 72 completely unfold to an included angle of 180°, at this time, the contact switch 16 at the front end of the first ladder frame 71 contacts the front part of the multifunctional double-layer lifting type vehicle-mounted tent or the vehicle body to trigger the switch, and the folding ladder 7 is automatically locked, so that the whole folding ladder cannot be arbitrarily folded; if it is needed to fold the folding ladder 7, the locking device needs to be unlocked first, and the ladder frame is pulled outwards to make the ladder frame slightly fold, so that the ladder frame does not contact the contact switch 16, and the unlocked first ladder frame 71 and the second ladder frame 72 can be lowered and folded along with the first top frame 2. The unfolded ladder can be used for the user to climb, and also plays a supporting role between the bottom frame 1 and the first top frame 2, thereby improving the stability of the structure of the multifunctional double-layer lifting type vehicle-mounted tent. Conversely, when the first top frame 2 descends, the second ladder frame 72 is folded relative to the first ladder frame 71, and the whole folding ladder 7 is folded between the bottom frame 1 and the first top frame 2, thereby reducing the occupation of the space of the vehicle roof, reducing the wind resistance in the driving process, and improving the driving safety.

[0053] Key reference Figure 3 , Figure 4 and Figure 6The first roof frame 2 is provided with a folding platform 8, which comprises a middle bottom plate 81, a first side plate 82 and a second side plate 83. The middle bottom plate 81 is fixed on the first roof frame 2 and has the same size as the first roof frame. The first side plate 82 and the second side plate 83 are respectively pivotally connected to two sides of the middle bottom plate 81. When it is needed to expand the activity range, the first side plate 82 and the second side plate 83 are unfolded to the two sides, so that the two side plates are in the same plane as the middle bottom plate 81, thereby expanding the activity space of the platform. The first side plate 82 and the second side plate 83 are folded to the middle bottom plate 81, so that the two side plates are stacked above the middle bottom plate 81, that is, the folding platform 8 is folded.

[0054] The first roof frame 2 is provided with a tent support frame 17 for mounting tent cloth on both sides of the vehicle, which can be used for the user to move and rest. The tent support frame 17 comprises a fixed rod 171 and a plurality of support rods 172 pivotally connected to the fixed rod 171. The fixed rod 171 is detachably mounted on the side of the first roof frame 2. When it is needed to mount the tent cloth, the support rods 172 are unfolded to different angles from the fixed rod 171, so that the tent cloth is mounted. When it is needed to fold, each support rod 172 is folded to the fixed rod 171, thereby completing the folding. When it is not needed to mount the tent cloth, the whole tent support frame 17 can be detached from the first roof frame 2.

[0055] In addition, as shown in Figure 6 , the middle bottom plate 81 is provided with a skylight 9, and the skylight 9 is provided with a sliding cover 10 which is slid to open or close the skylight 9. The folding ladder 7 is located at the skylight 9. After the user reaches the skylight 9 through the folding ladder 7, the user can enter the activity area of the folding platform 8 through the skylight 9.

[0056] As shown in Figure 1 and 2As shown, the upper portion of the second roof frame 3 is provided with a roof cover 12, and the roof cover 12 is provided with a cover edge 121 around the periphery. The roof cover 12 and the cover edge 121 form a receiving space with an outer contour greater than or equal to the outer contour of the first roof frame 2. The roof cover 12 rises or falls along with the second roof frame 3. When the roof cover 12 is lowered into position, it covers the bottom frame 1, the first roof frame 2 and the second roof frame 3, and at the same time, the lifting frame, the folding platform 8 and the electric telescopic rod 6 are all hidden in the receiving space formed by the roof cover 12 and the cover edge 121. The middle portion of the roof cover 12 is provided with an opening 123, and a flexible cover (not shown in the figure) is arranged at the opening 123. The user can selectively open or close the cover. When the cover is opened, the opening 123 becomes a functional window. It not only can strengthen the lighting inside the tent, making the internal space brighter and more comfortable, but also can promote the ventilation inside the tent, effectively expelling humid and dirty air, and keeping the internal environment fresh. In addition, the opening 123 also provides more diversified experiences for the user. At night, the user can lie in the tent and enjoy the beautiful starry sky through the opening 123, and feel the charm of nature. For photography enthusiasts, the opening 123 also provides an excellent shooting angle. They can stick their heads out of the tent and capture the scenery outside.

[0057] As shown in the drawings, Figure 8 The upper portion of the roof cover 12 is provided with two horizontal rods 122, which can be used to store luggage, bicycles and other items.

[0058] To further illustrate the embodiments, the present application provides drawings. These drawings are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in conjunction with the related description of the specification. With reference to these contents, those skilled in the art should be able to understand other possible implementations and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0059] Meanwhile, the front, back, left, right and other directions involved in the present embodiment are only used as a reference for the direction, and do not represent the actual direction in use. In addition, the terms "first", "second", "third" are only used for description purposes, and cannot be understood as indicating or implying relative importance.

[0060] The above is only the preferred embodiment of the present application, and is not a limitation on the design of the present application. Any equivalent changes made according to the key design of the present application shall fall within the scope of protection of the present application.

Claims

1. A multi-functional double decker lift-style roof-top tent characterized in that: The utility model provides a kind of multi-functional double-layer lifting type vehicle-mounted tent, including chassis, first roof, second roof, linkage lifting frame and drive mechanism, chassis is used to install on car, first roof is located above chassis, second roof is located above first roof;The linkage lifting frame includes first scissor lifting frame and second scissor lifting frame, the lower end of first scissor lifting frame is hinged in chassis, the upper end of second scissor lifting frame is hinged in second roof, the upper end of first scissor lifting frame is hinged with the lower end of second scissor lifting frame, and is hinged together in first roof, so that first scissor lifting frame and second scissor lifting frame linkage; Drive mechanism drives the first scissor lifting frame and second scissor lifting frame of linkage lifting frame to rise and expand or descend and contract, in turn drive first roof and second roof to rise and expand or descend and contract relative to chassis; Folding ladder is connected to the chassis and the first roof, supported between the chassis and the first roof, for users to climb; The first roof is loaded with a folding platform, which includes a middle bottom plate, a first side plate, and a second side plate. The middle bottom plate is fixed on the first roof. The first side plate and the second side plate are rotatably arranged on both sides of the middle bottom plate. After the first side plate and the second side plate are folded, they are stacked on the middle bottom plate in turn. The middle bottom plate has a skylight. The folding ladder is located at the skylight. After users reach the skylight through the folding ladder, they can enter the active area of the folding platform through the skylight.

2. The multi-functional double deck foldable vehicle tent of claim 1, wherein: The rear end of the multi-functional double-layer lifting type vehicle-mounted tent is provided with two groups of linkage lifting frames, which are symmetrically arranged on the left and right sides of the multi-functional double-layer lifting type vehicle-mounted tent. Each group of linkage lifting frames is driven to rise and fall by a drive mechanism.

3. The multi-functional double deck foldable vehicle tent according to claim 1 or 2, wherein: The drive mechanism is an electric telescopic rod. When the electric telescopic rod is extended or shortened, it drives the same end of the two prongs of the connected scissor lifting frame to approach or move away from each other, simultaneously linkage drives the same end of the two prongs of the other scissor lifting frame to approach or move away from each other, so that the first roof and the second roof rise and expand or descend and contract relative to the chassis.

4. The multi-functional double deck foldable vehicle tent as claimed in claim 3, wherein: The first scissor lifting frame includes a first prong and a second prong. The second scissor lifting frame includes a third prong and a fourth prong. The upper end of the second prong is hinged with the lower end of the third prong, and the hinge point is a movable hinge point A. The movable hinge point A is slidably arranged on the first roof through a sliding member. The upper end of the first prong is hinged with the lower end of the fourth prong, and the hinge point is a fixed hinge point B. The fixed hinge point B is fixed on the first roof.

5. The multi-functional double deck foldable vehicle tent as claimed in claim 4, wherein: The chassis is provided with a first sliding rail opening upward along its length direction. The lower end of the second prong is fixedly hinged at one end of the first sliding rail. The lower end of the first prong is slidably arranged on the first sliding rail through a first pulley set. The second roof is provided with a second sliding rail opening downward at a position corresponding to the first sliding rail. The upper end of the third prong is fixedly hinged at one end of the second sliding rail. The upper end of the fourth prong is slidably arranged in the second sliding rail through a second pulley set.

6. The multi-functional double deck foldable roof top tent of claim 5, wherein: The side surface of the first roof is provided with a sliding groove extending along its length direction. The movable hinge point A of the first scissor lifting frame and the second scissor lifting frame is slidably arranged on the sliding groove through a sliding member.

7. The multi-functional double deck foldable vehicle tent as claimed in claim 4, wherein: The output end of the electric telescopic rod is pivotally connected with the third fork, the fixed end of the electric telescopic rod is pivotally connected with the second fork, the electric telescopic rod is lengthened, the upper and lower ends of the third fork are respectively close to the upper and lower ends of the fourth fork, the second top frame is lifted, the upper and lower ends of the first fork are respectively close to the upper and lower ends of the second fork, and the first top frame is lifted; on the contrary, the electric telescopic rod is shortened, and the second top frame and the first top frame are lowered.

8. The multi-functional double deck foldable vehicle tent as claimed in claim 1, wherein: The folding ladder comprises a first ladder frame and a second ladder frame, the lower end of the first ladder frame is pivotally connected with the bottom frame, the upper end of the first ladder frame is pivotally connected with the lower end of the second ladder frame, the upper end of the second ladder frame is pivotally connected with the first top frame, the first top frame is lifted or lowered, and the second ladder frame is unfolded or folded relative to the first ladder frame.

9. The multi-functional double deck foldable vehicle tent as claimed in claim 1, wherein: A sliding cover is arranged on the skylight, and the sliding cover slides to open or close the skylight; An upper cover is arranged above the second top frame, the upper cover is provided with a cover edge around the upper cover, the upper cover and the cover edge form a receiving space with an outer contour greater than or equal to an outer contour of the first top frame, the upper cover is lifted or lowered along with the second top frame, when the upper cover is lowered into position, the upper cover covers the first top frame, and the folded second scissor type lifting frame is hidden in the receiving space; The middle part of the upper cover is provided with an opening, and a cover for opening or closing the opening is arranged at the opening.

10. The multi-functional double deck foldable vehicle tent as claimed in claim 1, wherein: The first top frame is provided with detachable tent support frames for mounting tent cloth on both sides of the first top frame, the tent support frame comprises a fixed rod and a plurality of support rods rotating around an axis of the fixed rod; when the tent cloth needs to be mounted, the support rods are unfolded outward from the fixed rod to different angles to provide a place for the tent cloth to cover; when folding is needed, each support rod is folded towards the fixed rod, and the folding is completed.

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