A motorhome

Abstract

The present invention discloses a motorhome, comprising a front portion and a body beam frame connected to the front portion; a carriage is provided on the body beam frame; an expansion compartment capable of expanding the usable area of ​​the carriage is provided on the carriage; a support frame for supporting the expansion compartment is foldably connected to the body beam frame; the expansion compartment is a shell-like structure capable of covering the carriage, which is composed of a top plate, a side plate, an end plate and a bottom plate, and the end of the shell-like structure close to the front portion is an open structure; an outer door and a foldable stove are provided on the side plate; a foldable wall capable of sealing the open structure is rotatably connected to the end of the side surface of the carriage close to the front portion; an inner door connected to the carriage is provided on the folding wall; the inner door corresponds to the outer door; a folding ladder is cooperatively connected to the bottom of the expansion compartment, and the use space inside the carriage is widened by using the expansion compartment, which greatly improves the stretching strength in life, improves the comfort of use, and is suitable for popularization and use.

Description

Technical Field

[0001] The invention belongs to the technical field of recreational vehicles, and in particular relates to a recreational vehicle. Background Art

[0002] RV, also known as "home on wheels", has the functions of both "house" and "car", but its attribute is still a car, which is a mobile vehicle with basic facilities necessary for home. RV is a fashionable vehicle introduced from abroad. The home facilities on the vehicle include: bedding, stove, refrigerator, cabinet, sofa, dining table and chairs, washing facilities, air conditioner, TV, stereo and other furniture and electrical appliances. It can be divided into driving area, living area, bedroom area, sanitary area, kitchen area, etc. RV is a fashionable product that integrates "clothing, food, housing and transportation" and realizes "travel in life and life in travel".

[0003] However, the existing RVs only have carriages used as living rooms, and the original carriages have limited area and space. When used in daily life, they are not open, resulting in poor comfort. Summary of the invention

[0004] To this end, the present invention provides a motorhome to solve the problem of inconvenience in use caused by the small space of existing motorhomes in the prior art.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a motorhome, comprising a front and a body beam connected to the front; a carriage is provided on the body beam; an expansion compartment capable of expanding the usable area of ​​the carriage is provided on the carriage; a support frame for supporting the expansion compartment is foldably connected to the body beam; the expansion compartment is a shell-like structure capable of covering the carriage, which is composed of a top plate, a side plate, an end plate and a bottom plate, and the end of the shell-like structure close to the front of the carriage is an open structure; an outer door and a foldable stove are provided on the side panel; a folding wall capable of sealing the open structure is rotatably connected to the side of the carriage close to the front of the carriage; an inner door connected to the carriage is provided on the folding wall; the inner door corresponds to the outer door; a folding ladder is cooperatively connected to the bottom of the expansion compartment.

[0006] Furthermore, expansion bins are symmetrically provided on both sides of the carriage; the top plate, side plate, end plate and bottom plate are integrally formed; the two expansion bins are assembled to form an outer carriage structure that wraps the carriage; a sliding mechanism is connected to the expansion bin, and the expansion bin is slidably connected along the width direction of the carriage through the sliding mechanism.

[0007] Furthermore, the top plate, side plate and end plate are an integrally formed shell-like structure; the bottom plate is a foldable structure including a first bottom plate and a second bottom plate; the side edge of the first bottom plate is rotatably connected to the side edge of the second bottom plate; the side edge of the first bottom plate away from the second bottom plate is rotatably connected to the bottom edge of one side of the car body; the bottom of the second bottom plate is foldably connected to a plurality of support plates; and the shell-like structure is slidably connected to the car body.

[0008] Furthermore, the side panels, end panels and bottom panel are an integrally formed shell structure, and the shell structure can cover the sides, rear end and top of the car body; the inner bottom of the bottom panel is rotatably connected to the car body cross beam; a driving device for driving the shell structure to rotate is provided on the car body beam; the shell structure rotates around the rotation connection between the side panel and the car body cross beam as the axis; and the top panel is slidably connected to the top surface of the car body.

[0009] Furthermore, a roof-lifting bin is provided on the top of the car; the side panels, end panels and bottom panel are integrally formed into a shell-like structure, and the shell structure can cover the sides, rear end and top of the car; the inner bottom of the side panel is rotatably connected to the body cross beam; a driving device for driving the shell structure to rotate is provided on the body beam; the shell structure rotates around the rotational connection between the side panel and the body cross beam as the axis; one side of the roof panel is rotatably connected to the top of the side panel; a power device capable of pulling the roof panel into a horizontal state is provided on one side of the roof-lifting bin.

[0010] Furthermore, the support frame includes a right-angle tripod; one of the right-angle sides of the right-angle tripod is connected with a hinge; the right-angle tripod is rotatably connected to the side of the vehicle body beam frame through the hinge; and one side of the right-angle tripod connected to the hinge is perpendicular to the ground.

[0011] Furthermore, the foldable stove includes a table top and a window panel, and an operating window is provided on the side panel; the table top and the window panel can seal the operating window after being spliced; the two ends of the top of the table top are rotatably connected to the inner walls on both sides of the middle of the operating window; the top of the window panel is rotatably connected to the inner wall of the top of the operating window; the bottom of the table top is rotatably connected to a supporting window panel that can fit with the table top; the side of the supporting window panel away from the table top can be snapped with the window panel; a vent is provided on the supporting window panel; a smoke exhaust fan that can rotate along the length direction of the supporting window panel is slidably connected to the vent.

[0012] Furthermore, the sliding mechanism includes a plurality of drawer rails connected to the expansion compartment; the drawer rails on the top plate are slidably connected to the top of the carriage; the drawer rails on the end plate are slidably connected to the rear end of the carriage; and the drawer rails on the bottom plate are slidably connected to the body beam frame.

[0013] Furthermore, the driving device includes a driving motor side plate connected to the vehicle body frame, the bottom of which is fixedly connected to a rotating shaft; a plurality of axle seats are horizontally connected to the side of the vehicle body frame; the side plate is rotatably connected to the axle seat through the rotating shaft; the output end of the driving motor is screwed to the rotating shaft; and the output shaft of the driving motor and the rotating shaft are on the same axis.

[0014] Furthermore, the power device includes a pull rope, one end of which is connected to a side of the top plate away from the side plate, and the other end of the pull rope is connected to a rope-collecting motor; the rope-collecting motor is connected to the side of the top lifting bin, and the output shaft of the rope-collecting motor is fixedly connected to the end of the pull rope.

[0015] Furthermore, a groove is provided on the inner side of the side panel near the bottom plate; a folding toilet is arranged in the groove; an outer wall at the top of the groove is connected to an axle seat, on which a toilet seat and a toilet cover are rotatably connected; the toilet seat and the toilet cover are arranged in coordination with the folding toilet; seat support rods are respectively connected to the two sides of the bottom of the toilet seat; a bayonet that is engaged with the seat support rod is provided at the bottom of the groove.

[0016] Furthermore, a washing machine storage slot is provided on the outside of the car near the bottom plate; a hook is provided on the top outer wall of the washing machine storage slot; a washing machine is stored in the washing machine storage slot; a hanging hole matching the hook is provided on the rear side of the washing machine; a vegetable sink is integrally connected to one end of the washing machine; and a kitchen worktop is stored in the vegetable sink.

[0017] Furthermore, the carriage is connected with a soft curtain for covering the drawer track; one end of the soft curtain is connected to the carriage, and the other end is connected to the expansion compartment.

[0018] Furthermore, the top plate, the side plates and the end plates are an integrally formed shell-like structure; the end plates are an off-angle structure; and the rear end of the bottom plate is a notch structure matching the off-angle structure.

[0019] The present invention has the following advantages: a motorhome, comprising a front portion and a body beam frame connected to the front portion; a carriage is provided on the body beam frame; an expansion compartment capable of expanding the usable area of ​​the carriage is provided on the carriage; a support frame for supporting the expansion compartment is foldably connected to the body beam frame; the expansion compartment is a shell-like structure capable of covering the carriage, which is composed of a top plate, a side plate, an end plate and a bottom plate, and the end of the shell-like structure close to the front portion is an open structure; an outer door and a foldable stove are provided on the side panel; a folding wall capable of sealing the open structure is rotatably connected to the end of the side surface of the carriage close to the front portion; an inner door connected to the carriage is provided on the folding wall; the inner door corresponds to the outer door; a folding ladder is cooperatively connected to the bottom of the expansion compartment, and the expansion compartment is used to widen the usable space inside the carriage, which greatly improves the stretching strength in life, improves the comfort of use, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0022] Figure 1 It is a schematic diagram of the overall structure of a double-side expansion of a motorhome provided by a specific embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall structure of sliding expansion and lifting roof expansion of a motorhome provided by a specific embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of the folding overall structure of a motorhome provided by a specific embodiment of the present invention;

[0025] Figure 4 It is a schematic diagram of the overall structure of a folding and roof-lifting expansion of a motorhome provided by a specific embodiment of the present invention;

[0026] Figure 5 It is a structural schematic diagram of a support for a motor home provided by any specific embodiment of the present invention;

[0027] Figure 6 It is a structural schematic diagram of a sliding mechanism of a motorhome provided by any specific embodiment of the present invention;

[0028] Figure 7 It is a structural schematic diagram of a driving device of a motorhome provided by any specific embodiment of the present invention

[0029] Figure 8 It is a schematic diagram of a toilet storage structure of a motorhome provided by any specific embodiment of the present invention;

[0030] Fig. 9 It is a structural schematic diagram of a washing machine storage for a motorhome provided by any specific embodiment of the present invention;

[0031] Fig.10 It is a structural schematic diagram of a washing machine of a motorhome provided by any specific embodiment of the present invention;

[0032] Fig.11 It is a structural schematic diagram of a soft curtain of a motorhome provided by any specific embodiment of the present invention;

[0033] Fig.12It is a structural schematic diagram of a motorhome with an angle of departure provided by any specific embodiment of the present invention;

[0034] Fig.13 It is a structural schematic diagram of a rear end expansion of a motorhome provided by any specific embodiment of the present invention;

[0035] Fig.14 It is a structural schematic diagram of a rear end folding and expanding of a motorhome provided by any specific embodiment of the present invention;

[0036] Fig.15 It is a structural schematic diagram of a folding wall of a motorhome provided by any specific embodiment of the present invention;

[0037] Fig.16 It is a schematic diagram of a single-side expansion structure of a motorhome provided by any specific embodiment of the present invention;

[0038] Fig.17 It is a schematic diagram of a floor widening structure of a motorhome provided by any specific embodiment of the present invention;

[0039] Fig.18 It is a schematic diagram of a foldable structure of a motorhome with a widened bottom plate provided by any specific embodiment of the present invention;

[0040] Fig.19 It is a structural schematic diagram of a shell-like structure in which a top plate, a side plate and two front and rear end plates of an expansion compartment of a motorhome provided by any specific embodiment of the present invention are integrally formed;

[0041] Fig. 20 It is a schematic diagram of the structure of a stove that is folded upward and stored provided by any specific embodiment of the present invention.

[0042] In the figure: the front of the vehicle 1, the vehicle compartment 2, the expansion compartment 3, the support frame 4, the top plate 31, the side plate 32, the bottom plate 33, the open structure 34, the folding wall 35, the inner door 36, the folding ladder 33, the first bottom plate 331, the second bottom plate 332, the support plate 333, the lifting compartment 5, the foldable stove 6, the tripod 41, the hinge 42, the table 61, the window plate 63, the operating window 64, the support window plate 62, the drawer rail 7, the drawer rail drive motor 81, Axle seat 82, rotating shaft 83, pull rope 91, motor 92, groove 324, folding toilet 325, toilet seat 326, toilet cover 329, support rod 327, bayonet 328, washing machine storage slot 21, hook 24, washing machine 22, vegetable sink 23, kitchen workbench 25, soft curtain 71, corner structure 3302, missing corner structure 3301, lifting warehouse expansion top plate 53, lifting warehouse expansion bottom plate 51, lifting warehouse expansion side plate 52. DETAILED DESCRIPTION

[0043] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0044] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] Example 1

[0047] A motorhome provided by embodiment 1 of the present invention is shown in FIG. Figure 1 As shown, it includes a front part 1 and a body beam connected to the front part 1; a carriage 2 is arranged on the body beam; an expansion compartment 3 capable of expanding the use area of ​​the carriage is arranged on the carriage 2; a support frame 4 for supporting the expansion compartment 3 is foldably connected to the body beam; the expansion compartment 3 is a shell-like structure consisting of a top plate 31, a side plate 32, an end plate and a bottom plate 33 capable of covering the carriage 2, and the end of the shell-like structure close to the front part 1 is an open structure; an outer door and a foldable stove 6 are arranged on the side plate 32; please refer to Fig.15As shown, one end of the side of the carriage 2 close to the front of the vehicle 1 is rotatably connected to a folding wall 35 capable of sealing the open structure 34; the folding wall 35 is provided with an inner door 36 connected to the carriage 2; the inner door 36 corresponds to the outer door 31; a folding ladder 33 is cooperatively connected to the bottom of the expansion compartment 3, and expansion compartments 3 are symmetrically provided on both sides of the carriage 2; the top plate 31, the side plate 32, the end plate and the bottom plate 33 are an integrally formed structure; the two expansion compartments 3 are assembled to form an outer compartment structure that wraps the carriage 2; a sliding mechanism is connected to the expansion compartment 3, and the expansion compartment 3 is slidably connected to the width direction of the carriage 2 through the sliding mechanism.

[0048] See also Figure 5 As shown, the support frame 4 includes a right-angle tripod 41; one right-angle side of the right-angle tripod 41 is connected to a hinge 42; the right-angle tripod 41 is rotatably connected to the side of the vehicle body beam frame through the hinge 41; and one side of the right-angle tripod 41 connected to the hinge 42 is perpendicular to the ground.

[0049] See also Figure 6 As shown, the sliding mechanism includes a plurality of drawer rails 7 connected to the expansion compartment 3; the drawer rails 7 on the top plate 31 are slidably connected to the top of the carriage 2; the drawer rails 7 on the end plate are slidably connected to the rear end of the carriage 2; and the drawer rails 7 on the bottom plate 33 are slidably connected to the body beam frame. The expansion compartment slides to both sides of the carriage through the drawer rails. It should be noted that during specific production, the drawer rails on both sides are staggered to ensure that the expansion compartments on both sides do not interfere with each other when in use.

[0050] When in use, first open the support frame and push the expansion bins on both sides of the car body to both sides. Multiple oil cylinders or air cylinders can be used for pushing. The cylinders are connected to the car body beams, and the cylinder output ends are connected to the gravity points of the expansion bins. After the expansion bins are expanded, the bottom of the expansion bins is supported and lifted up by the support frame to improve the stability of use. It can greatly improve the stretching strength in life and the comfort of use, and is suitable for promotion and use.

[0051] For further details, please refer to Figure 1 and Fig. 20 As shown, the foldable stove 6 includes a table top 61 and a window panel 63, and an operating window 64 is provided on the side panel 32; the table top 61 and the window panel 63 can seal the operating window 64 after being spliced; the table top shell is folded downward or folded and slid to be stored in the lower part of the window panel, and the table top is folded upward or folded and slid to be stored in the inner side or outer side of the window panel; the present embodiment provides that the two ends of the top of the table top 61 are rotatably connected to the inner walls on both sides of the middle part of the operating window 64; the top of the window panel 63 is rotatably connected to the inner wall of the top of the operating window 64; the bottom of the table top 61 is rotatably connected to a supporting window panel 62 that can fit with the table top; the side of the supporting window panel 62 away from the table top 61 can be snapped with the window panel 63; a vent is provided on the supporting window panel 62; a smoke exhaust fan that can slide along the length direction of the supporting window panel 62 is slidably connected to the vent.

[0052] When in use, the foldable table top is supported and opened to increase the operating space. When not in use, it is folded and placed to reduce space occupation and improve the flexibility of use.

[0053] Example 2

[0054] A motorhome provided by embodiment 2 of the present invention is shown in FIG. Figure 1 As shown, it includes a front part 1 and a body beam connected to the front part 1; a carriage 2 is provided on the body beam; an expansion compartment 3 capable of expanding the usable area of ​​the carriage is provided on the carriage 2; a support frame 4 for supporting the expansion compartment 3 is foldably connected to the body beam; the expansion compartment 3 is a shell-like structure capable of covering the carriage 2, which is composed of a top plate 31, a side plate 32, an end plate and a bottom plate 33, and the end of the shell-like structure close to the front part 1 is an open structure; an outer door and a foldable stove 6 are provided on the side plate 32; a folding wall 35 capable of sealing the open structure 34 is rotatably connected to the end of the side surface of the carriage 2 close to the front part 1; an inner door 36 connected to the carriage 2 is provided on the folding wall 35; the inner door 36 corresponds to the outer door 31; a folding ladder 33 is cooperatively connected to the bottom of the expansion compartment 3.

[0055] See also Figure 5 As shown, the support frame 4 includes a right-angle tripod 41; one right-angle side of the right-angle tripod 41 is connected to a hinge 42; the right-angle tripod 41 is rotatably connected to the side of the vehicle body beam frame through the hinge 41; and one side of the right-angle tripod 41 connected to the hinge 42 is perpendicular to the ground.

[0056] See also Figure 6 As shown, the sliding mechanism includes a plurality of drawer rails 7 connected to the expansion compartment 3; the drawer rails 7 on the top plate 31 are slidably connected to the top of the carriage 2; the drawer rails 7 on the end plate are slidably connected to the rear end of the carriage 2; and the drawer rails 7 on the bottom plate 33 are slidably connected to the body beam frame. The expansion compartment slides to both sides of the carriage through the drawer rails. It should be noted that during specific production, the drawer rails on both sides are staggered to ensure that the expansion compartments on both sides do not interfere with each other when in use.

[0057] Preferably, see Figure 2 As shown, the top plate 31, the side plate 32 and the end plate are an integrally formed shell structure; the bottom plate 33 is a foldable structure including a first bottom plate 331 and a second bottom plate 332; the side of the first bottom plate 331 is rotatably connected to the side of the second bottom plate 332; the side of the first bottom plate 331 away from the second bottom plate 332 is rotatably connected to the bottom edge of one side of the carriage 2; the bottom of the second bottom plate 332 is foldably connected to a plurality of support plates 333; the shell structure is slidably connected to the carriage 2.

[0058] When in use, the support frame is first unfolded, and then the bottom plate is unfolded and supported by the support frame, and then the side plates, end plates and top plates are slid to the outside of the carriage to form an expanded space with the bottom plate.

[0059] Example 3

[0060] Embodiment 3 of the present invention provides a motorhome, see Figure 1 As shown, it includes a front part 1 and a body beam connected to the front part 1; a carriage 2 is provided on the body beam; an expansion compartment 3 capable of expanding the usable area of ​​the carriage is provided on the carriage 2; a support frame 4 for supporting the expansion compartment 3 is foldably connected to the body beam; the expansion compartment 3 is a shell-like structure capable of covering the carriage 2, which is composed of a top plate 31, a side plate 32, an end plate and a bottom plate 33, and the end of the shell-like structure close to the front part 1 is an open structure; an outer door and a foldable stove 6 are provided on the side plate 32; a folding wall 35 capable of sealing the open structure 34 is rotatably connected to the end of the side surface of the carriage 2 close to the front part 1; an inner door 36 connected to the carriage 2 is provided on the folding wall 35; the inner door 36 corresponds to the outer door 31; a folding ladder 33 is cooperatively connected to the bottom of the expansion compartment 3.

[0061] See also Figure 5 As shown, the support frame 4 includes a right-angle tripod 41; one right-angle side of the right-angle tripod 41 is connected to a hinge 42; the right-angle tripod 41 is rotatably connected to the side of the vehicle body beam frame through the hinge 41; and one side of the right-angle tripod 41 connected to the hinge 42 is perpendicular to the ground.

[0062] See also Figure 6 As shown, the sliding mechanism includes a plurality of drawer rails 7 connected to the expansion compartment 3; the drawer rails 7 on the top plate 31 are slidably connected to the top of the carriage 2; the drawer rails 7 on the end plate are slidably connected to the rear end of the carriage 2; and the drawer rails 7 on the bottom plate 33 are slidably connected to the body beam frame. The expansion compartment slides to both sides of the carriage through the drawer rails. It should be noted that during specific production, the drawer rails on both sides are staggered to ensure that the expansion compartments on both sides do not interfere with each other when in use.

[0063] Preferably, see Figure 3 As shown, the side panels 32, end panels and bottom panel 33 are integrally formed into a shell structure, and the shell structure can cover the side, rear end and top of the car body 2; the inner bottom of the side panel 32 is rotatably connected to the car body cross beam; a driving device for driving the shell structure to rotate is provided on the car body beam frame; the shell structure rotates around the rotation connection between the side panel 32 and the car body cross beam; the top panel 31 is slidably connected to the top surface of the car body 2. Figure 7 As shown, the driving device includes a driving motor 81 connected to the vehicle body frame; the bottom of the side plate 32 is fixedly connected to a rotating shaft 83; a plurality of axle seats 82 are horizontally connected to the side of the vehicle body frame; the side plate 32 is rotatably connected to the axle seat 82 through the rotating shaft 83; the output end of the driving motor 81 is screwed to the rotating shaft 83; the output shaft of the driving motor 81 and the rotating shaft 83 are on the same axis.

[0064] When in use, the support frame is unfolded, and the shell-like structure composed of the side panels, end panels and bottom panel is driven by the driving motor to rotate the bottom panel so that the bottom of the bottom panel contacts the top of the support frame. The support frame acts as a support to support the shell-like structure. At this time, the top panel on the top of the car body is slid to the top of the shell-like structure, so that the shell-like structure forms an expansion compartment, thereby realizing the folding expansion of the expansion compartment.

[0065] Example 4

[0066] Embodiment 4 of the present invention provides a motorhome, see Figure 1 As shown, it includes a front part 1 and a body beam connected to the front part 1; a carriage 2 is provided on the body beam; an expansion compartment 3 capable of expanding the usable area of ​​the carriage is provided on the carriage 2; a support frame 4 for supporting the expansion compartment 3 is foldably connected to the body beam; the expansion compartment 3 is a shell-like structure capable of covering the carriage 2, which is composed of a top plate 31, a side plate 32, an end plate and a bottom plate 33, and the end of the shell-like structure close to the front part 1 is an open structure; an outer door and a foldable stove 6 are provided on the side plate 32; a folding wall 35 capable of sealing the open structure 34 is rotatably connected to the end of the side surface of the carriage 2 close to the front part 1; an inner door 36 connected to the carriage 2 is provided on the folding wall 35; the inner door 36 corresponds to the outer door 31; a folding ladder 33 is cooperatively connected to the bottom of the expansion compartment 3.

[0067] See also Figure 5 As shown, the support frame 4 includes a right-angle tripod 41; one right-angle side of the right-angle tripod 41 is connected to a hinge 42; the right-angle tripod 41 is rotatably connected to the side of the vehicle body beam frame through the hinge 41; and one side of the right-angle tripod 41 connected to the hinge 42 is perpendicular to the ground.

[0068] Preferably, see Figure 4 As shown, a lifting chamber 5 is provided on the top of the carriage 2; the side panels 32, the end panels and the bottom panel 33 are an integrally formed shell-like structure, and the shell structure can cover the side, rear end and top of the carriage 2; the inner bottom of the bottom panel 33 is rotatably connected to the body cross beam; a driving device for driving the shell structure to rotate is provided on the body beam frame; the shell structure rotates with the rotation connection between the side panels 32 and the body cross beam as the axis; one side of the top panel 31 is rotatably connected to the top of the side panel 31; one side of the lifting chamber 5 is provided with a power device capable of pulling the top panel 31 into a horizontal state. The power device includes a pull rope 91, one end of which is connected to the side of the top panel 31 away from the side panel 32, and the other end of the pull rope 91 is connected to a rope collection motor 92; the rope collection motor 92 is connected to the side of the lifting chamber 5, and the output shaft of the rope collection motor 92 is fixedly connected to the end of the pull rope 91.

[0069] When in use, unfold the support frame, flip the shell structure and place it on the support frame, then open the lifting bin. After the lifting bin 5 is fully opened, the top plate of the expansion bin is pulled up to the horizontal level by the rope-collecting motor, so that the expansion bin is fully opened to increase the living space.

[0070] Preferably, see Figure 8 As shown, a groove 324 is provided on the inner side of the side panel 32 near the bottom panel 33; a folding toilet 325 is arranged in the groove 324; an axle seat is connected to the outer wall at the top of the groove 324, and a toilet seat 326 and a toilet cover 329 are rotatably connected to the axle seat; the toilet seat 326 and the toilet cover 329 are arranged in coordination with the folding toilet 325; seat support rods 327 are respectively connected to the two sides of the bottom of the toilet seat 326; a bayonet 328 is provided at the bottom of the groove 324 to engage with the seat support rod 327.

[0071] Preferably, see Fig. 9 and Fig.10 As shown, a washing machine storage slot 21 is provided on the outer side of the carriage 2 near the bottom plate 33; a hook 24 is provided on the top outer wall of the washing machine storage slot 21; a washing machine 22 is stored in the washing machine storage slot 21; a hanging hole matching the hook is provided on the rear side of the washing machine 22; a vegetable washing sink 23 is integrally connected to one end of the washing machine 22; a kitchen workbench 25 is stored in the vegetable washing sink 23.

[0072] Preferably, see Fig.11 As shown, the carriage 2 is connected to a soft curtain 71 for covering the drawer track 7; one end of the soft curtain 71 is connected to the carriage 2, and the other end is connected to the expansion compartment 3.

[0073] Preferably, see Fig.12 As shown, the top plate, side plate and end plate are an integrally formed shell-like structure; the end plate is an off-angle structure 3302; the rear end of the bottom plate 33 is a notch structure 3301 matching the off-angle structure; and it is suitable for off-road vehicles.

[0074] See also Fig.13 , is the expansion compartment sliding to the rear end, Fig.14 As shown, the expansion compartment is folded backwards to expand; Fig.16 As shown, the expansion bin is a type of expansion form among the double-sided expansion bins, and has a single-sided expansion bin structure.

[0075] Another implementation example, please participate Fig.17 As shown, the top plate 31, the side plate 32 and the end plate are an integrally formed shell-like structure; the bottom edge of the bottom plate 33 is rotatably connected to the side of the vehicle body beam frame, and the rotatable connection method adopts a common method, the bottom edge of the bottom plate is connected to the rotating shaft, and the side of the vehicle body beam frame is connected to a number of axle seats, and the rotating shaft is rotatably connected to the axle seats; the width of the bottom plate 33 is greater than the width of the top plate 31. When in use, after opening the support frame, the bottom plate is rotated to a horizontal state, and supported by the support frame, and then the shell structure is slid onto the bottom plate to form an expansion compartment. The purpose of the bottom plate being larger than the top plate is to make the extra area form a balcony for use. After use, slide the shell mechanism back to its original position, then rotate the bottom plate to a vertical state, fit it with the side plate, fix it with a buckle, and finally put away the support frame.

[0076] Preferably, see Fig.18 As shown, the bottom plate 33 is composed of two rotatably connected floor boards; the opposite sides of the two floor boards are rotatably connected by hinges.

[0077] It should be noted that although this solution does not directly mention various expansion warehouse forms that can be realized by combining various solutions, each method mentioned in this solution is implemented on various self-propelled RVs and various trailer RVs.

[0078] For the preferred option, please continue to read Figure 2 As shown, the lifting warehouse 5 includes a lifting warehouse expansion bottom plate 51 horizontally connected to the top of the vehicle head 1 and a lifting warehouse expansion top plate 53 horizontally connected to the top of the front end of the lifting warehouse 5; the lifting warehouse expansion bottom plate 51 is fixedly connected to the bottom of the lifting warehouse 5 on one side close to the lifting warehouse 5, and the other three sides of the lifting warehouse expansion bottom plate 51 are rotatably connected to foldable lifting warehouse expansion side plates 52; the three lifting warehouse expansion side plates 52 and the end surface of the lifting warehouse 5 form a storage room, and the end surface of the lifting warehouse 5 is provided with an entrance door to the storage room. The space utilization rate is increased.

[0079] Preferably, as shown in Figure 19, the expansion chamber is composed of a top plate 31, a side plate 32, two end plates and a bottom plate 33, which are a shell-like structure that can cover the car body; the top plate, the side plate and the front and rear end plates are an integrally formed shell-like structure; the shell-like structure is slidably connected to one side of the car body. The gap between the car body and the cockpit is used to accommodate the front end plate of the expansion chamber, without using folding walls, and a sealed expansion chamber is directly formed to improve the sealing performance.

[0080] Preferably, the foldable stove includes a table top and a window panel; an operating window is provided on the side panel; the operating window can be sealed after the table top and the window panel are spliced ​​together; the table top is folded downward, and the table top can be stored on either the inner side or the outer side of the window panel; the two ends of the bottom of the table top are rotatably connected to the inner walls on both sides of the middle of the operating window; the top of the window panel is rotatably connected to the inner wall of the top of the operating window; the bottom of the table top is rotatably connected to a supporting window panel that can fit with the table top; the side of the supporting window panel away from the table top can be snapped with the window panel; a vent is provided on the supporting window panel; a smoke exhaust fan that can slide along the length direction of the supporting window panel is slidably connected to the vent.

[0081] It should be noted that all of the above-mentioned types of expansion warehouses can be used to trailer RVs.

[0082] The present invention is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present invention fall within the protection scope of the present invention.

Claims

1. A motorhome, comprising a front part and a body beam connected to the front part; a carriage is arranged on the body beam; and characterized in that: The carriage is provided with an expansion compartment capable of expanding the usable area of ​​the carriage; a support frame for supporting the expansion compartment is foldably connected to the body beam frame; the expansion compartment is composed of a shell-like structure capable of covering the carriage, which is composed of a top plate, a side plate, an end plate and a bottom plate, and the end of the shell-like structure close to the front of the carriage is an open structure; the side plates are provided with an outer door and a foldable stove; the end of the side of the carriage close to the front of the carriage is rotatably connected to a folding wall capable of sealing the open structure; the folding wall is provided with an inner door connected to the carriage; the inner door corresponds to the outer door; a folding ladder is cooperatively connected to the bottom of the expansion compartment; The two sides of the carriage are symmetrically provided with expansion compartments; the top plate, side plate, end plate and bottom plate are integrally formed; the two expansion compartments are assembled to form an outer carriage structure that wraps the carriage; a sliding mechanism is connected to the expansion compartment, and the expansion compartment is slidably connected with the carriage along the width direction through the sliding mechanism; The support frame comprises a right-angle tripod; one right-angle side of the right-angle tripod is connected with a hinge; the right-angle tripod is rotatably connected to the side of the vehicle body beam frame through the hinge; one side of the right-angle tripod connected to the hinge is perpendicular to the ground; The foldable stove comprises a table top and a window panel, and an operation window is provided on the side panel; the table top and the window panel can seal the operation window after being spliced; the two ends of the top of the table top are rotatably connected to the inner walls of the two sides of the middle of the operation window; the top of the window panel is rotatably connected to the inner wall of the top of the operation window; the bottom of the table top is rotatably connected to a supporting window panel that can fit with the table top; the side of the supporting window panel away from the table top can be clamped with the window panel; and a vent is provided on the supporting window panel; The vent is slidably connected with a smoke exhaust fan which can rotate along the length direction of the supporting window plate.

2. A motorhome according to claim 1, characterized in that: The sliding mechanism includes a plurality of drawer rails connected to the expansion compartment; the drawer rails on the top plate are slidably connected to the top of the carriage; the drawer rails on the end plate are slidably connected to the rear end of the carriage; and the drawer rails on the bottom plate are slidably connected to the body beam frame.

3. A motorhome according to claim 1, characterized in that: A groove is provided on the inner side of the side panel near the bottom plate; a folding toilet is arranged in the groove; an outer wall at the top of the groove is connected to an axle seat, on which a toilet seat and a toilet cover are rotatably connected; the toilet seat and the toilet cover are arranged in coordination with the folding toilet; seat support rods are respectively connected to the two sides of the bottom of the toilet seat; a bayonet that is engaged with the seat support rod is provided at the bottom of the groove.

4. A recreational vehicle according to claim 1, characterized in that: A washing machine storage slot is provided on the outer side of the carriage near the bottom plate; a hook is provided on the top outer wall of the washing machine storage slot; a washing machine is stored in the washing machine storage slot; a hanging hole matching the hook is provided on the rear side of the washing machine; a vegetable washing sink is integrally connected to one end of the washing machine; a kitchen worktop is stored in the vegetable washing sink.

5. A recreational vehicle according to claim 4, characterized in that: The carriage is connected with a soft curtain for covering the drawer track; one end of the soft curtain is connected to the carriage, and the other end is connected to the expansion compartment.

6. A recreational vehicle according to claim 1, characterized in that: The top plate, side plate and end plate are in an integrally formed shell-like structure; the end plate is in an off-angle structure; and the rear end of the bottom plate is in a notched-angle structure matching the off-angle structure.

7. A recreational vehicle according to claim 1, characterized in that: The expansion compartment is composed of a shell-like structure consisting of a top plate, a side plate, an end plate and a bottom plate, which can cover the carriage; the top plate, the side plate and the front and rear end plates are an integrally formed shell-like structure; and the shell-like structure is slidably connected to one side of the carriage.

8. A recreational vehicle according to claim 1, characterized in that: The expansion compartment can be used to tow a motorhome.

Images