CN217598419U

CN217598419U - Car as a house railway carriage or compartment body with hard wall folding function

Info

Publication number: CN217598419U
Application number: CN202221758190.XU
Authority: CN
Inventors: 何英勋; 何双滢
Original assignee: Baoding Snail Rv Manufacturing Co ltd
Current assignee: Baoding Snail Rv Manufacturing Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-18
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a car as a house carriage body with hard wall folding function, which comprises a pickup truck and a micro truck as carriers, and comprises a bottom carriage body, a driving mechanism and an upper carriage body, wherein the driving mechanism is arranged between the bottom carriage body and the upper carriage body, and the upper carriage body comprises a roof, a lower folding side plate, an upper folding side plate, a front coaming and a rear coaming; two long side wall bodies of the car roof are hinged with an upper folding side plate through hinges, the bottom of the upper folding side plate is hinged with a lower folding side plate through a hinge, and the bottom edge of the lower folding side plate is hinged with the long side edge of the bottom bin body through a hinge; the front coaming and the rear coaming can be respectively and rotatablely enclosed on the front end surface and the rear end surface of the car top and the bottom bin body; the lower folding side plate is provided with a lower glass window, and the upper folding side plate is provided with an upper glass window. The utility model discloses car as a house railway carriage or compartment body with hard wall folding function adopts the last box of the folding mode shrink car as a house of hardboard, and is firmly durable not fragile, has improved sound insulation, thermal-insulated, heat preservation effect.

Description

Car as a house railway carriage or compartment body with hard wall folding function

Technical Field

The utility model relates to a car as a house technical field especially relates to a car as a house railway carriage or compartment body with folding function of hard wall.

Background

The humpback motor home is generally used in pickup trucks or mini trucks, is formed by directly mounting the truck in a truck carriage without modification, and can be mounted and dismounted according to the use requirement. The cab of the limousine is generally provided with a projecting part like a large forehead, which is very different and is easy to identify, so the limousine is also called a goose nose limousine. The motor home has better economy and is popular with more and more common consumers. The pickup caravan comprises a top lifting type and a non-top lifting type: the pickup limousine without lifting the roof is inconvenient to fix in height and good in privacy, but cannot pass through a height-limited road section, and the center of gravity of the pickup limousine is high, so that the pickup limousine is large in wind resistance and high in oil consumption when running at a high speed, large in over-bending centrifugal force, easy to turn on one's side and low in running safety. The lift pick-up limo expands the space in the limo through the lifting of the top of the limo body, and lowers the top when driving, thereby lowering the center of gravity, reducing the wind resistance of the driving, reducing the oil consumption, and improving the stability of the over-bending and the safety of the driving; when the car as a house is parked or needed to be used, the top is lifted, the inner space is expanded, and the comfort is improved.

The box of current jacking version camel car as a house includes box and last box down, and wherein box is fixed on the packing box down, goes up the box and passes through elevating gear and connect under on the box, is connected with the tarpaulin between last box and the box down, and when the last box rose, the tarpaulin expanded, encloses to the part of going up between box and the lower box and closes, and when the last box descended, soft tarpaulin was folded up. Although the pickup caravan is convenient to lift, the waterproof cloth is easy to damage, the sound insulation and heat insulation effects are poor, and a glass window with a good visual field cannot be installed.

Therefore, it is necessary to develop a car as a house carriage with a hard wall folding function to address the above drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car as a house railway carriage or compartment body with folding function of hard wall adopts the last box of the folding mode shrink car as a house of hardboard, and is firmly durable not fragile, has improved the heat preservation effect that gives sound insulation.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a car as a house railway carriage or compartment body with folding function of hard wall, be applicable to and install in pick-up truck freight train and the little truck freight train carriage and use, including the bottom storehouse body, actuating mechanism and upper box body, the actuating mechanism sets up between the said bottom storehouse body and the said upper box body, the said upper box body includes roof, lower folding curb plate, upper folding curb plate, front bounding wall and back panel; the two long side wall bodies of the car roof are hinged with the upper folding side plate through hinges, the bottom of the upper folding side plate is hinged with the lower folding side plate through hinges, the lower folding side plate and the upper folding side plate are equal in height, and the bottom edge of the lower folding side plate is hinged with the long side edge of the bottom bin body through hinges; the front coaming and the rear coaming are respectively enclosed on the front end surface and the rear end surface of the car top and the bottom bin body, the bottom of the front coaming is hinged on the bottom bin body, the top of the front coaming is provided with a locking piece for locking the car top, the bottom of the rear coaming is hinged on the bottom bin body, and the top of the rear coaming is provided with a locking piece for locking the car top; the lower folding side plate is provided with a lower glass window, and the upper folding side plate is provided with an upper glass window.

Furthermore, a guard edge is arranged on the outer contour edge of the vehicle roof, and the downward extending distance of the guard edge is greater than the thickness of the lower folding side plate and the upper folding side plate after being folded.

Furthermore, a flange which is erected upwards is arranged on the top edge of the bottom bin body, the inner side wall of the flange blocks the outer walls of the lower folding side plate, the front coaming and the rear coaming, and the flange is located on the inner side of the guard edge.

Further, the front wall plate comprises a front middle folded plate and front side folded plates, the two front side folded plates are symmetrically arranged on two sides of the front middle folded plate, and the outer side edges of the front side folded plates are obliquely arranged backwards; and a sealing rubber ring is arranged between the front middle folding plate and the front side folding plate.

Furthermore, the middle part of the front middle folding plate is provided with a front glass window.

Furthermore, the back panel comprises a rear side folded plate and a rear middle folded plate, the two rear side folded plates are symmetrically arranged on two sides of the rear middle folded plate, and a sealing rubber ring is arranged between the rear side folded plate and the rear middle folded plate.

Furthermore, doors are arranged on the rear middle folding plate and the bottom cabin body, each door comprises an upper door and a bottom door, and the upper door can be folded in two directions relative to the rear middle folding plate door frame and the bottom door.

Furthermore, the driving mechanism comprises two sets of driving rod assemblies symmetrically arranged on the bottom bin body, each driving rod assembly comprises an air cylinder, a swing rod and a push rod, the bottom of each air cylinder is installed at the bottom of the inner side wall of the bottom bin body through a pin shaft seat, the end of an air cylinder piston rod is connected with the middle of each swing rod through a pin shaft, the root of each swing rod is connected to the top of the inner side wall of the bottom bin body through the pin shaft seat, the swing end of each swing rod is connected with the bottom of each push rod through a pin shaft, and the top of each push rod is connected to the bottom surface of the car roof through the pin shaft seat.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a car as a house railway carriage or compartment body with hard wall folding function, through folding curb plate and folding curb plate on the bottom hinge between roof and the storehouse body, folding curb plate and folding curb plate on the folding state stand vertically down, increased the height of the car as a house railway carriage or compartment body, increased the space; fold condition, fold down the curb plate and fold the curb plate level on with and pile together, reduced the height of the car as a house railway carriage or compartment body, trafficability characteristic is good. The enclosure plate and the folding plate are both made of hard heat-insulation composite plates, so that the protection capability and the sound-insulation and heat-insulation effects are stronger than those of waterproof cloth. Through the setting of lower glass window and last glass window, the glass material window light transmissivity is good, and the field of vision is good in the car.

In addition, through the arrangement of the protective edge, the folding space of the lower folding side plate and the folding space of the upper folding side plate can be effectively protected in a folding state, and rainwater and dust are prevented from entering; through the setting of flange, can carry on spacingly to the outer wall of folding curb plate, preceding bounding wall and back panel down, simultaneously under fold condition with protect along the cooperation closed top space, play good guard action. The front wall plate is divided into three parts which are respectively turned inwards, so that the turning operation strength can be reduced, and the realization is convenient; the front side folded plate is obliquely arranged to form a guide pointed end form, so that the wind resistance in the travelling crane can be reduced; through the setting of preceding glass window, increased the observation field of vision in car as a house the place ahead. The rear coaming is composed of the two rear side folded plates and the rear middle folded plate, and the two rear side folded plates and the rear middle folded plate are respectively turned inwards, so that the turning operation strength can be reduced, and the realization is convenient; the upper door is arranged on the rear middle folded plate, so that the height of the door is increased, and people can conveniently come in and go out. By the arrangement of the two sets of driving rod assemblies, the roof can be jacked simultaneously, the acting force of jacking points is uniform, and the roof can be jacked stably; through the setting of pendulum rod and push rod, can realize the jacking of great push rod top with the less flexible stroke of cylinder. Meanwhile, the problem that the body and the chassis of a professional motor home cannot be effectively separated and can only be used for special purposes of travel is effectively solved. The multifunctional wagon chassis can effectively utilize the existing wagon chassis, achieves the characteristics of one machine with multiple functions and multiple functions on the premise of not changing the functions and attributes of a wagon, improves the utilization rate of products, and effectively reduces the use cost of users.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic view of a main structure of a hard wall folding car as a house body of the present invention;

fig. 2 is a left side view structural schematic diagram of the carriage body of the hard wall folding caravan of the present invention;

fig. 3 is a schematic view of the right side structure of the hard wall folding car as a house body of the present invention;

fig. 4 is a schematic top view of the carriage body of the hard wall foldable motor home of the present invention;

fig. 5 is a left side view structural diagram of the folding state of the caravan body with the hard wall folding function of the utility model;

fig. 6 is a schematic view of a cross-sectional structure of the folding state of the car as a house carriage with a hard wall folding function of the present invention;

fig. 7 is a partially enlarged structural view of a folded portion in fig. 6.

Description of reference numerals: 1. a bottom bin body; 101. blocking edges; 2. a vehicle roof; 201. protecting the edge; 3. a lower folding side plate; 301. a lower glass window; 4. an upper folding side plate; 401. an upper glass window; 5. a dash panel; 501. a front middle folded plate; 502. a front side folded plate; 503. a front glass window; 6. a back panel; 601. a rear side folded plate; 602. a rear middle folded plate; 603. a door; 7. a cylinder; 8. a swing rod; 9. a push rod; 10. a lower hinge; 11. mounting a hinge; 12. and (5) a middle hinge.

Detailed Description

The core of the utility model is to provide a car as a house railway carriage or compartment body with folding function of hard wall adopts the last box of the folding mode shrink car as a house of hardboard, and is firmly durable not fragile, has improved the heat preservation effect that gives sound insulation.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to the drawings, fig. 1 is a schematic view of a hard wall folding car body of the caravan of the present invention; fig. 2 is a left side view structural schematic diagram of the carriage body of the hard wall folding caravan of the present invention; fig. 3 is a schematic view of the right side structure of the hard wall folding car as a house body of the present invention; fig. 4 is a schematic top view of the hard wall folding car as a house of the present invention; fig. 5 is a left side view structural diagram of the folding state of the caravan body with the hard wall folding function of the utility model; fig. 6 is a schematic view of a cross-sectional structure of the folding state of the car as a house carriage with a hard wall folding function of the present invention; fig. 7 is a partially enlarged structural view of a folded portion in fig. 6.

In a specific embodiment, as shown in fig. 1 to 7, a car as a house body with a hard wall folding function, which is suitable for being installed in a cargo bed of a pick-up truck and a micro truck, includes a bottom cabin body 1, a driving mechanism and an upper box body, wherein the driving mechanism is arranged between the bottom cabin body 1 and the upper box body and can drive the upper box body to unfold and fold. The upper box body comprises a roof 2, a lower folding side plate 3, an upper folding side plate 4, a front wall plate 5 and a rear wall plate 6, wherein the roof 2, the lower folding side plate 3, the upper folding side plate 4, the front wall plate 5 and the rear wall plate 6 are all heat-insulating composite plates, and aluminum alloy sections are enclosed on the edges of the heat-insulating composite plates. Two long side wall bodies of roof 2 articulate folding curb plate 4 in through last hinge 10, go up folding curb plate 4 bottom and articulate folding curb plate 3 down through well hinge 11, folding curb plate 3 down equals with folding curb plate 4 height on, and 3 bases of folding curb plate are articulated on the 1 long side of storehouse body of end through lower hinge 12 down. The upper hinge 10, the middle hinge 11 and the lower hinge 12 are all stainless steel strip hinges. The front wall plate 5 and the rear wall plate 6 are respectively enclosed on the front end face and the rear end face of the roof 2 and the cabin body 1, the bottom of the front wall plate 5 is connected to the cabin body 1 through a short arm buffering hinge, and the top of the front wall plate 5 is provided with a locking plug locked to the roof 2. The bottom of the back panel 6 is connected to the bottom cabin body 1 through a short arm buffer hinge, and the top of the back panel 6 is provided with a locking plug locked to the roof 2. A lower glass window 301 is arranged on the lower folding side plate 3, an upper glass window 401 is arranged on the upper folding side plate 4, and the lower glass window 301 and the upper glass window 401 are strip-shaped windows.

The lower folding side plate 3 and the upper folding side plate 4 are hinged between the roof 2 and the bottom bin body 1, and the folding side plate 3 and the upper folding side plate 4 are vertically erected in an unfolded state, so that the height of the car as a house is increased, and the space is increased; fold condition, fold down curb plate 3 and fold 4 levels of curb plate on with and pile together, reduced the height of the car as a house railway carriage or compartment body, trafficability characteristic is good. The enclosure plate and the folding plate are both made of hard heat-insulation composite plates, so that the protection capability and the sound-insulation and heat-insulation effects are stronger than those of waterproof cloth. Through the setting of lower glass window 301 and last glass window 401, the glass material window light transmissivity is good, and the field of vision is good in the car.

In one embodiment, as shown in fig. 5 to 7, the aluminum alloy member on the outer contour edge of the roof 2 is provided with a guard edge 201, and the guard edge 201 protrudes downwards for a distance greater than the thickness of the folded lower folded side panel 3 and the folded upper folded side panel 4.

Particularly, the top edge of the bottom bin body 1 is provided with a rib 101 which is erected upwards along an aluminum alloy part, the inner side wall of the rib 101 blocks the outer walls of the lower folding side plate 3, the front coaming 5 and the rear coaming 6, and the rib 101 is positioned on the inner side of the guard edge 201.

By arranging the protective edge 201, the folding space of the lower folding side plate 3 and the upper folding side plate 4 can be effectively protected in a folding state, and rainwater and dust are prevented from entering; through the setting of flange 101, can carry on spacingly to the outer wall of folding curb plate 3, preceding bounding wall 5 and back panel 6 down, simultaneously under fold condition with protect along 201 cooperation closed top space, play good guard action.

In one embodiment, as shown in FIGS. 1, 3 and 4, the dash panel 5 includes a front center flap 501 and front side flaps 502, the two front side flaps 502 being symmetrically disposed on either side of the front center flap 501, the outer sides of the front side flaps 502 being disposed rearwardly. A sealing rubber ring is arranged between the front middle flap 501 and the front side flap 502.

Specifically, as shown in FIG. 3, a front glass window 503 is provided in the middle of the front middle flap 501.

The front wall panel 5 is divided into three parts which are respectively turned inwards, so that the turning operation strength can be reduced, and the turning operation is convenient to realize; the front side folding plate 502 which is obliquely arranged forms a guide tip form, so that the wind resistance in the travelling crane can be reduced; the front glass window 503 is arranged to increase the observation field of view in front of the caravan.

In a specific embodiment, as shown in fig. 1, 2 and 5, the back panel 6 comprises a rear side flap 601 and a rear middle flap 602, the two rear side flaps 601 are symmetrically arranged at two sides of the rear middle flap 602, and a sealing rubber ring is arranged between the rear side flap 601 and the rear middle flap 602.

Specifically, as shown in fig. 2 and 5, the rear middle flap 602 and the bottom bin body 1 are provided with a door 603, and the door 603 includes an upper door and a bottom door, and the upper door can be folded in two directions relative to the door frame of the rear middle flap 602 and the bottom door. And a butterfly hinge is arranged between the upper door and the bottom door for hinged connection.

The rear coaming 6 is composed of two rear side folded plates 601 and a rear middle folded plate 602, and the two rear side folded plates and the rear middle folded plate are respectively turned inwards, so that the turning operation strength can be reduced, and the realization is convenient; by providing the upper door of the door 603 on the rear middle flap 602, the height of the door 603 is increased, facilitating entry and exit of personnel.

In a specific embodiment, as shown in fig. 6, the driving mechanism includes two sets of driving rod assemblies symmetrically disposed on the silo body 1, the driving rod assembly includes a cylinder 7, a swing rod 8 and a push rod 9, the bottom of the cylinder 7 is mounted at the bottom of the inner side wall of the silo body 1 through a pin shaft seat, the end of the piston rod of the cylinder 7 is connected with the middle of the swing rod 8 through a pin shaft, the root of the swing rod 8 is connected with the top of the inner side wall of the silo body 1 through a pin shaft seat, the swing end of the swing rod 8 is connected with the bottom of the push rod 9 through a pin shaft seat, and the top of the push rod 9 is connected to the bottom surface of the roof 2 through a pin shaft seat.

Obviously, the cylinder 7 can also be realized by an electric push rod or an air spring, and similar deformation modes all fall into the protection scope of the present invention.

By arranging the two sets of driving rod assemblies, the roof can be jacked simultaneously, the acting force of jacking points is uniform, and the roof 2 can be jacked stably; through the setting of pendulum rod 8 and push rod 9, can realize the jacking of great push rod 9 top with the less flexible stroke of cylinder 7.

And simultaneously, the utility model discloses adopt the quick-connect structural connection of locating pin between the car as a house railway carriage or compartment body with hard wall folding function and the frame, the effectual automobile body and the chassis of having solved professional car as a house of specialty can not effectively separate and can only be used for the single-purpose of tourism. The multifunctional wagon chassis can effectively utilize the existing wagon chassis, achieves the characteristics of one machine with multiple functions and multiple functions on the premise of not changing the functions and attributes of a wagon, improves the utilization rate of products, and effectively reduces the use cost of users.

The utility model discloses during car as a house railway carriage or compartment body uses with hard wall folding function: in the jacking process, the air cylinder 7 is ejected out to push the swing rod 8 to swing upwards, the end part of the swing rod 8 pushes the bottom end of the push rod 9, and the top end of the push rod 9 pushes the roof 2 to lift upwards. The roof 2 drives the lower folding side plate 3 and the upper folding side plate 4 to stand vertically and overlap in the vertical direction. The front middle flap 501 and the front side flaps 502 are turned upwards and locked to the roof 2 using a plug, respectively. The rear side flap 601 and the rear center flap 602 are turned upward and locked to the roof 2 using the latches, respectively. And finishing jacking. When folding is desired, the latch is first pulled down, the lock is released, and the front middle flap 501, the front side flap 502, the rear side flap 601, and the rear middle flap 602 are turned inward. The air cylinder 7 is pulled back to push the swing rod 8 to swing downwards, the end part of the swing rod 8 pulls back the bottom end of the push rod 9, and the top end of the push rod 9 is pulled to return downwards to the vehicle roof 2. The lower folding side plate 3 and the upper folding side plate 4 are horizontally stacked together to complete the folding.

The utility model discloses a car as a house railway carriage or compartment body with hard wall folding function articulates between roof 2 and bottom storehouse body 1 through folding curb plate 3 down and folding curb plate 4 up, and folding curb plate 3 and folding curb plate 4 are vertical stands up under the expanded state, has increased the height of car as a house railway carriage or compartment body, has increased the space; fold condition, fold down curb plate 3 and fold 4 levels of curb plate on with and pile together, reduced the height of the car as a house railway carriage or compartment body, trafficability characteristic is good. And the enclosing plate and the folding plate are both made of hard heat-insulation composite plates, so that the protection capability and the sound-insulation and heat-insulation effects are stronger than those of waterproof cloth. Through the setting of lower glass window 301 and last glass window 401, the glass material window light transmissivity is good, and the interior field of vision of car is good. In addition, through the arrangement of the protective edge 201, the folding space of the lower folding side plate 3 and the upper folding side plate 4 can be effectively protected in the folding state, and rainwater and dust are prevented from entering; through the setting of flange 101, can carry on spacingly to the outer wall of folding curb plate 3 down, preceding bounding wall 5 and back panel 6, with protecting under fold condition along 201 cooperation closed top space simultaneously, play good guard action. The front wall panel 5 is divided into three parts which are respectively turned inwards, so that the turning operation strength can be reduced, and the turning operation is convenient to realize; the front side folding plate 502 which is obliquely arranged forms a guide tip form, so that the wind resistance in the travelling crane can be reduced; the front glass window 503 is arranged to increase the observation field in front of the caravan. The rear coaming 6 is composed of two rear side folded plates 601 and a rear middle folded plate 602, and the two rear side folded plates and the rear middle folded plate are respectively turned inwards, so that the turning operation strength can be reduced, and the realization is convenient; by providing the upper door of the door 603 on the rear middle flap 602, the height of the door 603 is increased, facilitating entry and exit of personnel. By arranging the two sets of driving rod assemblies, jacking can be carried out simultaneously, the acting force of jacking points is uniform, and the roof 2 can be stably jacked; through the setting of pendulum rod 8 and push rod 9, can realize the jacking of great push rod 9 top with the less flexible stroke of cylinder 7.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A car as a house carriage body with a hard wall folding function is suitable for being installed and used in a cargo carriage of a pickup truck and a micro truck, and is characterized by comprising a bottom carriage body (1), a driving mechanism and an upper carriage body, wherein the driving mechanism is arranged between the bottom carriage body (1) and the upper carriage body, and the upper carriage body comprises a car roof (2), a lower folding side plate (3), an upper folding side plate (4), a front coaming (5) and a rear coaming (6); the two long side wall bodies of the car roof (2) are hinged with the upper folding side plate (4) through hinges, the bottom of the upper folding side plate (4) is hinged with the lower folding side plate (3) through hinges, the height of the lower folding side plate (3) is equal to that of the upper folding side plate (4), and the bottom edge of the lower folding side plate (3) is hinged with the long side edge of the bottom bin body (1) through hinges; the front coaming (5) and the rear coaming (6) are respectively enclosed on the front end surface and the rear end surface of the roof (2) and the bottom bin body (1), the bottom of the front coaming (5) is hinged on the bottom bin body (1), the top of the front coaming (5) is provided with a locking piece locked to the roof (2), the bottom of the rear coaming (6) is hinged on the bottom bin body (1), and the top of the rear coaming (6) is provided with a locking piece locked to the roof (2); a lower glass window (301) is arranged on the lower folding side plate (3), and an upper glass window (401) is arranged on the upper folding side plate (4).

2. The caravan body with a hard wall folding function according to claim 1, wherein: the outer contour edge of the car roof (2) is provided with a guard edge (201), and the downward extending distance of the guard edge (201) is greater than the thickness of the folded lower folding side plate (3) and the folded upper folding side plate (4).

3. The caravan with a hard wall folding function according to claim 2, wherein: the top edge of the bottom bin body (1) is provided with a flange (101) which is erected upwards, the inner side wall of the flange (101) blocks the outer walls of the lower folding side plate (3), the front coaming (5) and the rear coaming (6), and the flange (101) is located on the inner side of the guard edge (201).

4. The caravan body with a hard wall folding function according to claim 1, wherein: the front wall plate (5) comprises a front middle folding plate (501) and front side folding plates (502), the two front side folding plates (502) are symmetrically arranged on two sides of the front middle folding plate (501), and the outer side edges of the front side folding plates (502) are arranged in a backward inclining mode; a sealing rubber ring is arranged between the front middle folding plate (501) and the front side folding plate (502).

5. The caravan with a hard wall folding function according to claim 4, wherein: the middle part of the front middle folding plate (501) is provided with a front glass window (503).

6. The caravan with a hard wall folding function according to claim 1, wherein: the back panel (6) comprises a rear side folded plate (601) and a rear middle folded plate (602), the rear side folded plate (601) is symmetrically arranged on two sides of the rear middle folded plate (602), and a sealing rubber ring is arranged between the rear side folded plate (601) and the rear middle folded plate (602).

7. The caravan with a hard wall folding function according to claim 6, wherein: the rear middle folded plate (602) and the bottom cabin body (1) are provided with doors (603), each door (603) comprises an upper door and a bottom door, and the upper doors can be folded in two directions relative to the door frames of the rear middle folded plate (602) and the bottom doors.

8. The caravan with a hard wall folding function according to claim 1, wherein: the driving mechanism comprises two sets of driving rod assemblies symmetrically arranged on the bottom cabin body (1), each driving rod assembly comprises an air cylinder (7), an oscillating rod (8) and a push rod (9), the bottom of the air cylinder (7) is installed at the bottom of the inner side wall of the bottom cabin body (1) through a pin shaft seat, the end head of a piston rod of the air cylinder (7) is connected with the middle of the oscillating rod (8) in a pin shaft mode, the root of the oscillating rod (8) is connected to the top of the inner side wall of the bottom cabin body (1) through the pin shaft seat, the oscillating rod (8) is connected with the bottom of the push rod (9) through a pin shaft seat, and the top of the push rod (9) is connected to the bottom surface of the roof (2) through the pin shaft seat.