Jacking sleeping cabin mechanism suitable for motor home
By designing a top-up sleeping cabin mechanism suitable for RVs, the problem of traditional RVs being unable to enter the basement and compact interior space is solved, the height reduction of the RV and the effective utilization of the internal space is achieved, and a second-floor sleeping space suitable for camping is provided.
Patent Information
- Application Number
- CN202411679356.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-02-28
AI Technical Summary
The height of the traditional RV exceeds the standard of the basement 2.2 meters and cannot enter the basement; while RVs below 2.2 meters cannot meet the needs of people to move directly in the car, and the internal space is compact.
A top-lift sleeping cabin mechanism suitable for RVs is designed, including a top cover, a base and a hoist mechanism. The top cover is driven close to or away from the base by the hoist mechanism to achieve folding or unfolding of the sleeping cabin. When the sleeping cabin is unfolded, the space is expanded at the top of the car. The height inside the car reaches 2.3 meters, allowing people to stand straight; when parking, the bed board is integrated to form a second-layer sleeping space.
The overall height of the RV is reduced, so that it can open the underground warehouse smoothly. At the same time, it provides a large area of sleeping space in the parking state, meeting the needs of people to move directly in the car, and improves waterproof, thermal insulation and safety performance through hard waterproof boards.
Smart Images

Figure CN119527156A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of foldable recreational vehicles, and in particular to a roof-lift sleeping cabin mechanism suitable for recreational vehicles. Background Art
[0002] With the improvement of living standards, people are traveling by car and by car more and more frequently, and the demand for RVs is also growing.
[0003] However, traditional RVs are very large, and their height exceeds the basement standard of 2.2 meters, so they cannot be put into the basement. If you choose a RV that is lower than 2.2 meters, it cannot meet the needs of people standing upright in the car, and the internal space is very compact. Summary of the invention
[0004] The technical problem to be solved by the present invention is: in order to overcome the problem that the traditional RVs in the prior art are all very large, the height of the vehicle body exceeds the basement standard of 2.2 meters, and cannot be put into the basement. If a RV with a height lower than 2.2 meters is selected, the requirement that people can stand upright and move around in the vehicle cannot be met, and the internal space is very compact. The present invention provides a lifting roof sleeping cabin mechanism suitable for RVs.
[0005] The technical solution to be adopted by the present invention to solve its technical problems is: a lifting sleeping cabin mechanism suitable for a motorhome, comprising a roof and a base, the base is arranged at the top opening of the car body, the roof is arranged above the base, a lifting mechanism for driving the roof to approach or move away from the base is arranged between the roof and the base, a front door panel, a rear door panel and two folding panels arranged opposite to each other are arranged between the roof and the base, the upper ends of the front door panel and the rear door panel are rotatably connected to the front and rear sides of the roof, a first lock buckle cooperating with the lower ends of the front door panel and the rear door panel is arranged at the middle position of the inner top wall of the roof, the folding panel comprises an upper panel and a lower panel, the upper end of the upper panel is rotatably connected to the roof, the lower end of the lower panel is rotatably connected to the base, a connecting piece for facilitating the folding or unfolding of the upper panel and the lower panel is arranged between the upper panel and the lower panel, a first bed panel and a second bed panel are respectively hinged on the base arranged below the two folding panels, and a connecting component for facilitating the overlapping and integration of the first bed panel and the second bed panel is arranged between the first bed panel and the second bed panel.
[0006] The lifting mechanism drives the top cover to move closer to or away from the base to achieve the folding or unfolding of the sleeping cabin. When the sleeping cabin is unfolded, a space is expanded on the top of the car; when the lifting mechanism drives the top cover to rise, the folding plate gradually unfolds from a V shape to a straight shape through the connecting parts. When the upper plate and the lower plate are both vertically propped up, the top cover is lifted into place. At this time, the front door panel and the rear door panel are fixed under the top cover by the first lock. At this time, the sleeping cabin is ventilated front and back. If the first bed board and the second bed board are rotated along the hinge point to fit close to the folding plate, people can stand upright in the car in the parking state, which is suitable for camping; after unlocking the first lock, the front door panel and the rear door panel are rotated along the rotation center to a vertical state, closing the front and rear openings of the sleeping cabin, and when the first bed board and the second bed board are rotated along the hinge point to a horizontal state, the connecting assembly integrates the first bed board and the second bed board into a whole bed board, forming a two-layer sleeping space.
[0007] Furthermore, in order to integrate the first bed board and the second bed board to form a whole bed board, the connecting assembly includes a first connecting rod and a second connecting rod, the first connecting rod is fixedly connected to the end of the first bed board, the second connecting rod is fixedly connected to the end of the second bed board, the upper end of the first connecting rod is provided with a first limiting step that cooperates with the mattress, the upper end of the first limiting step is provided with a slot, the lower end of the first connecting rod extends a limiting rod toward the direction of the second connecting rod, the upper end of the second connecting rod is provided with a second limiting step that cooperates with the mattress, the upper end of the second limiting step is provided with a hook that cooperates with the slot, and the lower end of the second connecting rod is provided with a limiting inclined surface that cooperates with the limiting rod.
[0008] The setting of the first limiting step and the second limiting step can not only limit the mattress, but also fill the gap between the two mattresses so that the upper end surfaces of the bed boards are on the same plane; in addition, the hook on the second limiting step cooperates with the slot on the first limiting step to clamp the first bed board and the second bed board together, and the limiting rod at the bottom of the first limiting step is against the limiting inclined surface at the bottom of the second limiting step to form a stable support.
[0009] Furthermore, in order to facilitate folding or unfolding of the front door panel, the rear door panel and the folding panel, the base includes a bottom frame and a first longitudinal beam, two first longitudinal beams are provided at both ends of the bottom frame, and two second longitudinal beams corresponding to the first longitudinal beams in the vertical direction are provided on the top cover, and a buckling rotation assembly is provided between the front door panel and the top cover, between the rear door panel and the top cover, between the first longitudinal beam and the lower plate, and between the second longitudinal beam and the upper plate, and the buckling rotation assembly includes a first buckling part respectively arranged on the front and rear sides of the top cover, the upper end of the first longitudinal beam and the lower end of the second longitudinal beam, and also includes a second buckling part respectively arranged on the upper end of the front door panel, the upper end of the rear door panel, the lower end of the lower plate and the upper end of the upper plate, the first buckling part and the second buckling part each have a J-shaped cross-section, the second buckling part is hooked on the inner side of the first buckling part, and the end cross-sections of the first buckling part and the second buckling part are both circular.
[0010] The first buckle part and the second buckle part can buckle into the curved part of the other J-shaped structure through their respective ends with circular cross sections to buckle with each other, and the first buckle part and the second buckle part can rotate in the curved part of the other J-shaped structure through their respective ends, so as to facilitate the folding or unfolding of the front door panel, the rear door panel and the folding panel. The J-shaped structure of the first buckle part and the second buckle part, on the one hand, allows the folding panel to be conveniently buckled or separated from the top panel and the bottom panel, and at the same time, after buckling, it can be flexibly rotated within a certain range to realize the folding or unfolding of the folding panel; on the other hand, the mutually buckled J-shaped structures can block the intrusion of water flow due to the complementary bending parts, and play an excellent role in rainproof and waterproofing.
[0011] Furthermore, in order to isolate the interior environment of the vehicle from the exterior environment when the sleeping cabin is folded, a protective plate extending toward the top cover is provided on the circumference of the bottom frame, a first sealing strip cooperating with the top cover is provided on the upper edge of the protective plate, a second sealing strip cooperating with the first longitudinal beam is provided on the lower edge of the second longitudinal beam, the buckled rotating assembly is provided on the inner side of the second sealing strip, and a drainage pipe extending to the bottom of the vehicle is provided on the base between the first longitudinal beam and the protective plate.
[0012] Furthermore, the base is provided with a gas spring for supporting the first bed board and the second bed board to a vertical state. When the first bed board and the second bed board are arranged horizontally, the gas spring is not enough to lift the first bed board and the second bed board, and the gas spring will only work when the first bed board and the second bed board are lifted up to a certain angle manually.
[0013] Furthermore, the connecting member includes a first plug-in body, a second plug-in body and a connecting body, the first plug-in body is plug-connected to the upper plate, the second plug-in body is plug-connected to the lower plate, the connecting body is arranged between the first plug-in body and the second plug-in body to form a U-shaped component, and the connecting member is made of a bendable colloid material in one piece.
[0014] The connector is integrally made of a bendable colloid material, which can ensure the folding and unfolding functions of the folding board, as well as the tightness of the connection between the connector and the upper and lower boards, thereby ensuring the windproof and waterproof performance of the folding board.
[0015] Furthermore, in order to smoothly unfold or fold the sleeping cabin, the lifting mechanism includes a first diagonal brace, a second diagonal brace, an upper slide rail and a lower slide rail. The lower slide rail is installed on the first cross beam on the base, and the upper slide rail is installed on the second cross beam on the top cover. The middle position of the first diagonal brace and the second diagonal brace is hinged in the horizontal direction, the lower end of the first diagonal brace is hinged to the first cross beam in the horizontal direction, the upper end of the first diagonal brace is slidably connected to the upper slide rail, the upper end of the second diagonal brace is hinged to the second cross beam in the horizontal direction, and the lower end of the second diagonal brace is slidably connected to the lower slide rail. The first cross beam is provided with an electric hydraulic lifter or an electric screw lifter or a lifting cylinder that cooperates with the second diagonal brace.
[0016] Furthermore, in order to smoothly unfold or fold the sleeping cabin, an upper end of the first diagonal support and a lower end of the second diagonal support are hinged with an "X"-shaped bracket, and the "X"-shaped bracket is provided with a linear bearing that cooperates with the upper slide rail or the lower slide rail.
[0017] Furthermore, in order to fix the positions of the unfolded front door panel and rear door panel, a second lock that cooperates with the lower ends of the front door panel and the rear door panel is provided on the base.
[0018] Furthermore, the top cover, base, upper plate, lower plate, front door plate and rear door plate are all made of hard waterproof plate materials.
[0019] The beneficial effects of the present invention are as follows: the present invention provides a lifting sleeping cabin mechanism suitable for a motorhome, when the sleeping cabin is folded, the overall height of the motorhome is reduced, and the motorhome can be smoothly driven down to the basement; when the sleeping cabin is unfolded, a space is expanded on the top of the car, the height inside the car reaches 2.3 meters, and people can stand up and walk in the car; When the vehicle is parked, the sleeping cabin can be unfolded and the bed board can be lowered to form a two-story sleeping space, which greatly increases the originally compact first-story space. The electric roof raising method is easy to operate. The sleeping cabin is made of hard waterproof panels, which is waterproof while having better thermal insulation and safety performance. When the sleeping cabin is unfolded, the bed board rises, and the front and rear door panels rise, forming a connection between the inside and outside of the vehicle, making camping convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0021] Figure 1 It is a schematic diagram of the structure of the best embodiment of the present invention; Figure 2 It is a schematic diagram of the front and rear sections of the sleeping cabin in the folded state in coordination with the carriage; Figure 3 yes Figure 2 A is an enlarged schematic diagram; Figure 4 yes Figure 2 A magnified schematic diagram of B; Figure 5 yes Figure 2 A magnified schematic diagram of middle C; Figure 6 It is a schematic diagram of the front and rear sections of the sleeping cabin in the unfolded state in coordination with the carriage; Figure 7 yes Figure 6 A magnified schematic diagram of D in the middle; Figure 8 It is a schematic diagram of the left and right sections of the sleeping cabin in the unfolded state in coordination with the carriage; Fig. 9 yes Figure 8 Middle E is an enlarged schematic diagram; Fig.10 yes Figure 8 Middle F is an enlarged schematic diagram; Fig.11 It is a schematic diagram of the structure in which the front door panel and the rear door panel cooperate with the top cover in the folded state; Fig.12 It is a structural schematic diagram of the jacking mechanism; Fig.13 It is a structural schematic diagram of the cooperation between the jacking mechanism and the second crossbeam; Fig.14 It is a structural schematic diagram of the cooperation between the jacking mechanism and the first crossbeam.
[0022] In the figure: 1, carriage, 2, top cover, 201, second longitudinal beam, 202, second cross beam, 3, base, 301, bottom frame, 302, first longitudinal beam, 303, protective plate, 304, first cross beam, 4, lifting mechanism, 401, first diagonal support, 402, second diagonal support, 403, upper slide rail, 404, lower slide rail, 405, electric lead screw lifter, 406, "J"-shaped bracket, 407, linear bearing, 5, front door panel, 6, rear door panel, 7, folding plate, 701, upper plate, 702, lower plate, 703, connector, 7031, first plug-in body, 70 32. Second plug-in body, 7033. Connecting body, 8. First locking buckle, 9. First bed board, 10. Second bed board, 11. First connecting rod, 1101. First limiting step, 1102. Slot, 1103. Limiting rod, 12. Second connecting rod, 1201. Second limiting step, 1202. Hook, 1203. Limiting slope, 13. Mattress, 14. Buckle-connecting rotating assembly, 1401. First buckle connection part, 1402. Second buckle connection part, 15. First sealing strip, 16. Second sealing strip, 17. Drain pipe, 18. Gas spring, 19. Second locking buckle. DETAILED DESCRIPTION
[0023] The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.
[0024] like Figure 1-14 As shown, a lifting sleeping cabin mechanism suitable for a motorhome of the present invention comprises a roof 2 and a base 3, wherein the base 3 is arranged at the top opening of the compartment 1, the roof 2 is arranged above the base 3, a lifting mechanism 4 for driving the roof 2 to approach or move away from the base 3 is arranged between the roof 2 and the base 3, a front door panel 5, a rear door panel 6 and two folding panels 7 arranged opposite to each other are arranged between the roof 2 and the base 3, the upper ends of the front door panel 5 and the rear door panel 6 are rotatably connected to the front and rear sides of the roof 2, a first lock buckle 8 cooperating with the lower ends of the front door panel 5 and the rear door panel 6 is arranged in the middle position of the inner top wall of the roof 2, and the folding mechanism 4 is arranged between the roof 2 and the base 3. The stacked plates 7 include an upper plate 701 and a lower plate 702, the upper end of the upper plate 701 is rotatably connected to the top cover 2, and the lower end of the lower plate 702 is rotatably connected to the base 3. A connecting piece 703 is provided between the upper plate 701 and the lower plate 702 for folding or unfolding the upper plate 701 and the lower plate 702. The first bed board 9 and the second bed board 10 are hinged on the base 3 below the two folding plates 7, respectively. The first bed board 9 and the second bed board 10 are connected to the base 3 through hinges, and a connecting component is provided between the first bed board 9 and the second bed board 10 for facilitating overlapping and integrating the first bed board 9 and the second bed board 10.
[0025] The connecting assembly includes a first connecting rod 11 and a second connecting rod 12, the first connecting rod 11 is fixedly connected to the end of the first bed board 9, and the second connecting rod 12 is fixedly connected to the end of the second bed board 10. The upper end of the first connecting rod 11 is provided with a first limiting step 1101 that cooperates with the mattress 13, and the upper end of the first limiting step 1101 is provided with a slot 1102. The lower end of the first connecting rod 11 extends toward the second connecting rod 12 with a limiting rod 1103, and the upper end of the second connecting rod 12 is provided with a second limiting step 1201 that cooperates with the mattress 13, and the upper end of the second limiting step 1201 is provided with a hook 1202 that cooperates with the slot 1102, and the lower end of the second connecting rod 12 is provided with a limiting inclined surface 1203 that cooperates with the limiting rod 1103.
[0026] The base 3 includes a bottom frame 301 and a first longitudinal beam 302, two first longitudinal beams 302 are provided at both ends of the bottom frame 301, the top cover 2 is provided with two second longitudinal beams 201 corresponding to the first longitudinal beams 302 in the vertical direction, and a buckle rotation assembly 14 is provided between the front door panel 5 and the top cover 2, between the rear door panel 6 and the top cover 2, between the first longitudinal beam 302 and the lower plate 702, and between the second longitudinal beam 201 and the upper plate 701. The buckle rotation assembly 14 includes a plurality of buckle rotation assemblies 14 respectively provided on the front and rear sides of the top cover 2. , a first buckling portion 1401 at the upper end of the first longitudinal beam 302 and the lower end of the second longitudinal beam 201, and also includes a second buckling portion 1402 respectively arranged at the upper end of the front door panel 5, the upper end of the rear door panel 6, the lower end of the lower plate 702 and the upper end of the upper plate 701, the first buckling portion 1401 and the second buckling portion 1402 each have a J-shaped cross-section, the second buckling portion 1402 is hooked on the inner side of the first buckling portion 1401, and the end cross-sections of the first buckling portion 1401 and the second buckling portion 1402 are both circular.
[0027] The bottom frame 301 is circumferentially provided with a protective plate 303 extending toward the top cover 2, the upper edge of the protective plate 303 is provided with a first sealing strip 15 cooperating with the top cover 2, the lower edge of the second longitudinal beam 201 is provided with a second sealing strip 16 cooperating with the first longitudinal beam 302, the buckled rotating assembly 14 is arranged on the inner side of the second sealing strip 16, and the base 3 between the first longitudinal beam 302 and the protective plate 303 is provided with a drainage pipe 17 extending to the bottom of the car.
[0028] The base 3 is provided with a gas spring 18 for supporting the first bed board 9 and the second bed board 10 to a vertical state.
[0029] The connecting member 703 includes a first plug-in body 7031, a second plug-in body 7032 and a connecting body 7033. The first plug-in body 7031 is plug-connected to the upper plate 701, and the second plug-in body 7032 is plug-connected to the lower plate 702. The connecting body 7033 is arranged between the first plug-in body 7031 and the second plug-in body 7032 to form a U-shaped component. The connecting member 703 is made of a bendable colloid material in one piece.
[0030] The lifting mechanism 4 includes a first diagonal brace 401, a second diagonal brace 402, an upper slide rail 403 and a lower slide rail 404, the lower slide rail 404 is installed on the first beam 304 on the base 3, the upper slide rail 403 is installed on the second beam 202 on the top cover 2, the middle position of the first diagonal brace 401 and the second diagonal brace 402 is hinged in the horizontal direction, the lower end of the first diagonal brace 401 is hinged to the first beam 304 in the horizontal direction, the upper end of the first diagonal brace 401 is slidably connected to the upper slide rail 403, the upper end of the second diagonal brace 402 is hinged to the second beam 202 in the horizontal direction, the lower end of the second diagonal brace 402 is slidably connected to the lower slide rail 404, and the first beam 304 is provided with an electric screw lifter 405 that cooperates with the second diagonal brace 402.
[0031] An I-shaped bracket 406 is hingedly connected to the upper end of the first diagonal brace 401 and the lower end of the second diagonal brace 402 . A linear bearing 407 cooperating with the upper slide rail 403 or the lower slide rail 404 is disposed on the I-shaped bracket 406 .
[0032] The base 3 is provided with a second lock buckle 19 which cooperates with the lower ends of the front door panel 5 and the rear door panel 6 .
[0033] The top cover 2, base 3, upper plate 701, lower plate 702, front door plate 5, and rear door plate 6 are all made of hard waterproof board material. The hard waterproof board material is a composite board, including a cortex layer arranged on the inner and outer surfaces, a sponge layer arranged inside the cortex layer, an inner lining board, and an insulation board.
[0034] Working process: When driving, the sleeping cabin needs to be folded to ensure driving safety while reducing driving resistance and fuel consumption. In the parking state, when the sleeping cabin needs to be unfolded, the first diagonal brace 401 and the second diagonal brace 402 are lifted up by the electric screw lifter 405, and the X-shaped structure composed of the first diagonal brace 401 and the second diagonal brace 402 stably raises the position of the top cover 2. When the position of the top cover 2 rises, the folding plate 7 gradually unfolds from a V shape to a straight shape through the connecting piece 703. When the upper plate 701 and the lower plate 702 are both vertically propped up, the top cover 2 is lifted into place.
[0035] If camping is required, the accompanying personnel manually raise the first bed board 9 and the second bed board 10 to a certain angle, and then the gas spring 18 extends to erect the first bed board 9 and the second bed board 10 against the folding board 7, and the personnel can walk freely in the carriage 1.
[0036] If you need to sleep, unlock the first lock 8 that fixes the front door panel 5 and the rear door panel 6 on the top cover 2, put down the front door panel 5 and the rear door panel 6, close the front and rear openings of the sleeping cabin, and fix the position of the front door panel 5 and the rear door panel 6 through the second lock 19 on the base 3, put down the first bed board 9 and the second bed board 10, and connect them into a whole bed board through the hooks 1202 and the slots 1102 on the first connecting rod 11 and the second connecting rod 12, so as to form a two-layer sleeping space.
[0037] Directions and references (e.g., up, down, left, right, etc.) in the present invention may only be used to assist in the description of features in the accompanying drawings. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of the subject matter claimed is limited only by the attached claims and their equivalents.
[0038] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the scope of the present invention through the above description. The technical scope of this invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A sleeping cabin mechanism with a raised roof suitable for a motorhome, characterized in that: The vehicle comprises a top cover (2) and a base (3), wherein the base (3) is arranged at the top opening of the vehicle compartment (1), the top cover (2) is arranged above the base (3), a lifting mechanism (4) for driving the top cover (2) to move closer to or away from the base (3) is arranged between the top cover (2) and the base (3), a front door panel (5), a rear door panel (6) and two folding panels (7) arranged opposite to each other are arranged between the top cover (2) and the base (3), the upper ends of the front door panel (5) and the rear door panel (6) are rotatably connected to the front and rear sides of the top cover (2), and a first lock buckle (8) cooperating with the lower ends of the front door panel (5) and the rear door panel (6) is arranged at the middle position of the inner top wall of the top cover (2), The folding plate (7) comprises an upper plate (701) and a lower plate (702); the upper end of the upper plate (701) is rotatably connected to the top cover (2); the lower end of the lower plate (702) is rotatably connected to the base (3); a connecting member (703) is provided between the upper plate (701) and the lower plate (702) for facilitating folding or unfolding of the upper plate (701) and the lower plate (702); a first bed board (9) and a second bed board (10) are hingedly connected to the base (3) below the two folding plates (7); a connecting component is provided between the first bed board (9) and the second bed board (10) for facilitating overlapping and integrating the first bed board (9) and the second bed board (10).
2. A lifting sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The connecting assembly comprises a first connecting rod (11) and a second connecting rod (12), wherein the first connecting rod (11) is fixedly connected to the end of the first bed board (9), and the second connecting rod (12) is fixedly connected to the end of the second bed board (10), the upper end of the first connecting rod (11) is provided with a first limiting step (1101) cooperating with the mattress (13), the upper end of the first limiting step (1101) is provided with a slot (1102), the lower end of the first connecting rod (11) is provided with a limiting rod (1103) extending toward the second connecting rod (12), the upper end of the second connecting rod (12) is provided with a second limiting step (1201) cooperating with the mattress (13), the upper end of the second limiting step (1201) is provided with a hook (1202) cooperating with the slot (1102), and the lower end of the second connecting rod (12) is provided with a limiting inclined surface (1203) cooperating with the limiting rod (1103).
3. A lifting roof sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The base (3) comprises a bottom frame (301) and a first longitudinal beam (302), two first longitudinal beams (302) are provided at both ends of the bottom frame (301), the top cover (2) is provided with two second longitudinal beams (201) corresponding to the first longitudinal beams (302) in the vertical direction, and buckle rotation components (14) are provided between the front door panel (5) and the top cover (2), between the rear door panel (6) and the top cover (2), between the first longitudinal beam (302) and the lower plate (702), and between the second longitudinal beam (201) and the upper plate (701), the buckle rotation components (14) comprising buckle rotation components (14) respectively provided on the top cover (2 ) on both sides of the front and rear, the upper end of the first longitudinal beam (302) and the lower end of the second longitudinal beam (201), and also include second buckling parts (1402) respectively arranged at the upper end of the front door panel (5), the upper end of the rear door panel (6), the lower end of the lower plate (702) and the upper end of the upper plate (701), wherein the cross-sections of the first buckling part (1401) and the second buckling part (1402) are both J-shaped structures, the second buckling part (1402) is hooked on the inner side of the first buckling part (1401), and the end cross-sections of the first buckling part (1401) and the second buckling part (1402) are both circular.
4. A lifting sleeping cabin mechanism suitable for a motorhome as claimed in claim 3, characterized in that: The bottom frame (301) is provided with a protective plate (303) extending in the direction of the top cover (2) on its circumference; a first sealing strip (15) cooperating with the top cover (2) is provided on the upper edge of the protective plate (303); a second sealing strip (16) cooperating with the first longitudinal beam (302) is provided on the lower edge of the second longitudinal beam (201); the buckled rotating assembly (14) is arranged on the inner side of the second sealing strip (16); and a drainage pipe (17) extending to the bottom of the vehicle is provided on the base (3) between the first longitudinal beam (302) and the protective plate (303).
5. The lifting sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The base (3) is provided with a gas spring (18) for supporting the first bed board (9) and the second bed board (10) to a vertical state.
6. The lifting roof sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The connecting piece (703) comprises a first plug-in body (7031), a second plug-in body (7032) and a connecting body (7033); the first plug-in body (7031) is plug-connected to the upper plate (701); the second plug-in body (7032) is plug-connected to the lower plate (702); the connecting body (7033) is arranged between the first plug-in body (7031) and the second plug-in body (7032) to form a U-shaped component; the connecting piece (703) is integrally formed from a bendable colloid material.
7. The lifting roof sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The lifting mechanism (4) comprises a first diagonal brace (401), a second diagonal brace (402), an upper slide rail (403) and a lower slide rail (404); the lower slide rail (404) is mounted on a first crossbeam (304) on the base (3); the upper slide rail (403) is mounted on a second crossbeam (202) on the top cover (2); the first diagonal brace (401) and the second diagonal brace (402) are hinged in the horizontal direction at the middle position; the lower end of the first diagonal brace (401) is hinged at the bottom end of the first diagonal brace (401); The first crossbeam (304) is hinged in the horizontal direction, the upper end of the first diagonal brace (401) is slidably connected to the upper slide rail (403), the upper end of the second diagonal brace (402) is hinged in the horizontal direction to the second crossbeam (202), the lower end of the second diagonal brace (402) is slidably connected to the lower slide rail (404), and the first crossbeam (304) is provided with an electric hydraulic lifter or an electric lead screw lifter (405) or a lifting cylinder that cooperates with the second diagonal brace (402).
8. A lifting sleeping cabin mechanism suitable for a motorhome as claimed in claim 7, characterized in that: An "I"-shaped bracket (406) is hingedly connected to the upper end of the first diagonal brace (401) and the lower end of the second diagonal brace (402). A linear bearing (407) cooperating with the upper slide rail (403) or the lower slide rail (404) is provided on the "I"-shaped bracket (406).
9. The lifting roof sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The base (3) is provided with a second lock buckle (19) which cooperates with the lower ends of the front door panel (5) and the rear door panel (6).
10. The lifting roof sleeping cabin mechanism suitable for a motorhome as claimed in claim 1, characterized in that: The top cover (2), the base (3), the upper plate (701), the lower plate (702), the front door plate (5), and the rear door plate (6) are all made of hard waterproof sheet material.