CN113928209A

CN113928209A - Car as a house that possesses top layer space dilatation function

Info

Publication number: CN113928209A
Application number: CN202111423968.1A
Authority: CN
Inventors: 杜红波
Original assignee: Individual
Current assignee: Shandong Weishijie Rv Manufacturing Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-01-14
Anticipated expiration: 2041-11-26
Also published as: CN113928209B

Abstract

The invention relates to the technical field of motor homes, in particular to a motor home with a top layer space expansion function, which comprises a motor home body, a carriage, a bed height adjusting part, a blocking part, a top layer folding expansion part and the like; the carriage is fixed to the rear side of the car as a house, a bed height adjusting component is fixedly mounted on the rear side of the bottom surface in the carriage, a blocking component is arranged in the carriage, and a top layer folding expansion component is arranged on the carriage. Thereby carrying out the dilatation to the carriage through going up and down to the bed frame according to actual conditions and demand, making the high space of car as a house obtain the extension to many people live in the car as a house, and still can migrate the car as a house after to car as a house extension high space, except that limit for height road, this car as a house is applicable to and goes on the road of different widths, satisfies the dual demand of user to travel and house.

Description

Car as a house that possesses top layer space dilatation function

Technical Field

The invention relates to the technical field of motor homes, in particular to a motor home with a top space expansion function.

Background

According to the national conditions that tourism heat and leisure vacation economy will be aroused and the like, touring car tourism is gradually developed and has strong tendency in the direction of tourism industry, the car as a house on wheels has two functions of 'house' and 'car', but the attribute is the car, the car as a mobile car with essential basic facilities for home, the car as a house has the biggest characteristic of being used as a tool for traveling and living, under the common condition, the volume of the car as a house for traveling is not too large for convenience of traveling, but the car as a house for traveling is hoped to provide more abundant space like a building due to the consideration of comfortableness.

The patent of the prior invention, with publication number CN105774630B, is a deformable recreational vehicle for traveling, and mainly solves the technical problems that the recreational vehicle can be in a house shape by partially expanding a width space through a telescopic outer wall in a parking mode, and can form a flat shape in a vehicle shape with a small volume in a transfer mode, but the space in the recreational vehicle is very limited when moving, and the recreational vehicle is difficult to travel on a narrow road after expanding the width space, so that the requirements of some users on traveling and home coexistence cannot be met.

Disclosure of Invention

The invention aims to provide a limousine with a top space expansion function, which can expand the height space of the limousine so as to facilitate the inhabitation of a plurality of people in the limousine, can be migrated after expanding the height space of the limousine, can be suitable for running on roads with different widths, and can meet the dual requirements of users on travel and home, so as to solve the problems that the limousine is difficult to run on narrow roads after expanding the width space and cannot meet the coexisting requirements of some users on travel and home in the background technology.

The utility model provides a car as a house that possesses top layer space dilatation function, including the car as a house automobile body, still including:

the car body is fixed at the rear side of the car as a house, and the interior of the car body is provided with a household function which can be used by residents in daily life;

the bed height adjusting part is fixedly arranged on the rear side of the bottom surface in the carriage and used for adjusting the height position of the bed so as to expand the height space and play a role in expanding the carriage;

the barrier component is arranged in the carriage and used for blocking the upper part of the carriage when the height space is fixed;

the foldable top layer capacity expansion component is arranged on the carriage and used for expanding the height space in the carriage;

supplementary climbing part, fixed mounting has supplementary climbing part on the left side wall in the carriage, supplementary climbing part is used for being convenient for the resident person can climb smoothly to the top after the car as a house dilatation and have a rest or sleep.

Further, the separation part comprises a batten, a movable strip, a reset spring, a separation plate, a guide wheel, a wire reel, a pull wire, a protective cover, a movable rack, a stretching spring and a driving gear, the batten is fixedly installed at the top in the carriage, the movable strip is connected with the batten in a sliding manner and is connected with the carriage in a sliding manner, a pair of reset springs is connected between the movable strip and the batten, the separation plate is fixedly connected with the top surface of the movable strip, the separation plate is connected with the carriage in a sliding manner, the guide wheel is rotatably connected above two sides in the carriage, the wire reel is rotatably connected with two sides in the carriage, the pull wire is wound on the wire reel and bypasses the guide wheel, one end of the pull wire is fixedly connected with the movable strip, the protective cover is fixedly installed below two sides in the carriage, the wire reel is positioned in the protective cover, the pull wire penetrates through the protective cover, the movable rack is slidably connected with the protective cover, and the movable rack is fixedly connected with the bottom surface of the bed frame, the movable rack is contacted with the carriage, an extension spring is connected between the movable rack and the protective cover, the driving gear is fixedly connected to the wire spool, and the movable rack is meshed with the driving gear.

It is further explained that the folding dilatation part in top layer is including the supporting seat, the rotation axis, driven gear, the fluting pendulum rod, the connecting rod, promote the rack, elasticity folding water proof cloth and heat insulating board, the outside top of carriage is connected with the supporting seat through the mode that the fastener is connected, the rotation type is connected with the rotation axis on the supporting seat, rotation axis middle part rigid coupling has driven gear, the welding of rotation axis both ends has the fluting pendulum rod, common fixedly connected with connecting rod on two movable racks, connecting rod and protection casing sliding type connection, connecting rod and carriage sliding type connection, connecting rod top fixedly connected with promotes the rack, promote rack and driven gear intermeshing, carriage top sealing connection elasticity folding water proof cloth, the hookup has the heat insulating board at elasticity folding water proof cloth top, two fluting pendulum rods all with the spacing cooperation of heat insulating board.

Further, the elastic folding water-proof cloth is made of the water-proof material, has the advantages of high bonding strength, high tensile strength, good elasticity, water resistance and the like, can ensure that the elastic folding water-proof cloth is not easy to topple after being supported to expand the capacity of the caravan, and is used for isolating the outside severe weather.

Further explain, supplementary climbing part is including the extension board, first climbing frame, second climbing frame, support frame and playback spring, left side wall fixed mounting has a pair of extension board in the carriage, common rotary type is connected with first climbing frame on two extension boards, slidingtype is connected with second climbing frame on the first climbing frame, it has two movable chambers to open in the first climbing frame, the intracavity slidingtype of activity is connected with the support frame, support frame and second climbing frame contact each other, be connected with the playback spring between support frame and the first climbing frame.

Further, the first climbing frame and the second climbing frame are connected in a retractable mode, so that the problem that the traditional crawling ladder is large in occupied space is solved, the first climbing frame and the second climbing frame are light in weight, the crawling ladder is convenient to move and use, and the practicability is further enhanced.

Further explaining, still including folding auxiliary stay part, the carriage top is provided with folding auxiliary stay part, folding auxiliary stay part is including first support, first bracing piece, the second support, the second bracing piece, bar board and spacing bolt, carriage top fixed mounting has two pairs of first supports, it has first bracing piece to articulate on the first support, heat insulating board bottom surface fixed mounting has two pairs of second supports, the second bracing piece articulates on the second support, the second bracing piece is connected with first bracing piece rotary type, open threaded hole on the first bracing piece, the rigid coupling of one side opposite to the first support has the bar board, the last rotary type of bar board is connected with the spacing bolt corresponding with the threaded hole.

Further explanation, still including folding thing part of putting, carriage top fixed mounting has folding thing part of putting, folding thing part of putting is located the folding water-proof cloth of elasticity, folding thing part of putting is including the board is placed to the bottom, first connecting rod, the second connecting rod, the board is placed at the top, inclined plane gag lever post and spacing spring, carriage top fixed mounting has the bottom to place the board, the board is placed to the bottom up-running type is connected with two first connecting rods, common spacing cooperation has the top to place the board on two first connecting rods, the board is placed to the top up-running type is connected with two second connecting rods, two second connecting rods all place the board spacing cooperation with the bottom, the board is placed to the bottom up-running type is connected with two inclined plane gag lever posts, inclined plane gag lever post and bottom are placed and are connected with spacing spring between the board.

Further, the bed comprises a porous plate, and two porous plates are fixedly arranged on the bottom surface of the bed frame.

The invention has the beneficial effects that:

thereby carrying out the dilatation to the carriage through going up and down to the bed frame according to actual conditions and demand, making the high space of car as a house obtain the extension to many people live in the car as a house, and still can migrate the car as a house after to car as a house extension high space, except that limit for height road, this car as a house is applicable to and goes on the road of different widths, satisfies the dual demand of user to travel and house.

Provide the holding power for the second climbing frame through the support frame for first climbing frame forms the retractable cat ladder with the second climbing frame, and the person of living in of being convenient for can climb smoothly to the bed frame after the car as a house dilatation and go on having a rest or sleep.

Through twisting spacing bolt in the screw hole, can be so that first bracing piece and device above that are fixed by spacing bolt, guaranteed the stability of heat insulating board, and then can avoid strong wind weather to scrape down the heat insulating board, further improved the security performance of car as a house.

Place board upward movement through manual pulling top, the inclined plane gag lever post is fixed with second connecting rod and last device, and convenient to use person uses the top to place the board and place article, increases the functional of car as a house inner space.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic view of a partially cut-away perspective structure of the barrier member of the present invention.

Fig. 5 is a schematic sectional perspective view of the bed height adjusting member according to the present invention.

Fig. 6 is a schematic perspective view of a first embodiment of the bed height adjusting member of the present invention.

Fig. 7 is a schematic perspective view of a second bed height adjusting unit according to the present invention.

Figure 8 is a schematic perspective view of a barrier member of the present invention.

Fig. 9 is a schematic partial perspective view of the top layer folding expansion part of the present invention.

Figure 10 is a schematic view of a first partial body structure of an auxiliary climbing member according to the present invention.

Figure 11 is a schematic view of a second partial body structure of an auxiliary climbing member according to the present invention.

Figure 12 is a schematic view, partially in section, of the auxiliary climbing member according to the present invention.

Fig. 13 is an enlarged schematic view of the structure of the present invention a.

Fig. 14 is a perspective view of the folding auxiliary support member of the present invention.

Fig. 15 is a schematic view of a first partially assembled component of the foldable storage component of the present invention.

FIG. 16 is an enlarged schematic view of the present invention B.

Fig. 17 is a second partially assembled view of the foldable article holding component of the present invention.

In the above drawings: 1: car as a house automobile body, 2: a compartment, 3: bed height adjusting means, 31: electric putter, 32: bed frame, 4: barrier member, 41: lath, 42: movable strip, 43: return spring, 44: barrier plate, 45: guide wheel, 46: wire spool, 47: stay wire, 48: protective cover, 49: movable rack, 410: tension spring, 411: drive gear, 5: flash parts are folded to top layer, 51: support seat, 52: rotation axis, 53: driven gear, 54: slotted oscillating bar, 55: connecting rod, 56: push rack, 57: elastic folding water-proof cloth, 58: heat insulating board, 6: auxiliary climbing member, 61: a support plate, 62: first climbing frame, 63: second climbing frame, 64: active chamber, 65: support frame, 66: homing spring, 7: folding auxiliary support member, 71: first mount, 72: first support rod, 73: second mount, 74: second support bar, 75: threaded hole, 76: strip, 77: spacing bolt, 8: folding thing part of putting, 81: bottom placement plate, 82: first link, 83: second link, 84: top placement plate, 85: inclined plane gag lever post, 86: spacing spring, 9: a multi-well plate.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Example 1

The utility model provides a car as a house that possesses top layer space dilatation function, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12 and fig. 13, including car as a house automobile body 1, carriage 2, bed height adjustment part 3, separation part 4, the folding dilatation part 5 in top layer and supplementary climbing part 6, fixed carriage 2 in car as a house automobile body 1 rear side, fixed mounting has bed height adjustment part 3 in carriage 2 bottom rear side, bed height adjustment part 3 is used for adjusting the bed height, be provided with separation part 4 in carriage 2, be provided with the folding dilatation part 5 in top layer of carriage that is used for carrying out the dilatation to carriage 2 height on the carriage 2, fixed mounting has supplementary climbing part 6 on the left side wall in 2, supplementary part 6 is used for assisting the user to climb to the bed rest above.

The bed height adjusting part 3 comprises an electric push rod 31 and a bed frame 32, four electric push rods 31 used for driving to stretch and retract are fixedly installed on the rear side of the inner bottom surface of the carriage 2, and the bed frame 32 used for resting or sleeping of people is welded on the four electric push rods 31 together.

The blocking component 4 comprises a slat 41, a movable strip 42, a return spring 43, a blocking plate 44, a guide wheel 45, a wire reel 46, a pull wire 47, a protective cover 48, a movable rack 49, a tension spring 410 and a driving gear 411, the slat 41 is fixedly installed at the top in the carriage 2, the movable strip 42 is slidably connected with the slat 41, the movable strip 42 is slidably connected with the carriage 2, a pair of return springs 43 is connected between the movable strip 42 and the slat 41, the blocking plate 44 is fixedly connected with the top surface of the movable strip 42, the blocking plate 44 is slidably connected with the carriage 2, the blocking plate 44 is used for blocking the bed frame 32 pair, the guide wheel 45 is rotatably connected above two sides in the carriage 2, the wire reel 46 is rotatably connected with two sides in the carriage 2, the pull wire 47 is wound on the wire reel 46, the wire reel 46 is used for winding the pull wire 47, the pull wire 47 is wound around the guide wheel 45, the guide wheel 45 is used for guiding the pull wire 47, one end of a stay wire 47 is fixedly connected with the movable strip 42, a protective cover 48 for protecting internal parts of equipment is fixedly arranged below two sides in the carriage 2, the wire spool 46 is positioned in the protective cover 48, the stay wire 47 penetrates through the protective cover 48, a movable rack 49 is slidably connected with the protective cover 48, the movable rack 49 is fixedly connected with the bottom surface of the bed frame 32, the movable rack 49 is in contact with the carriage 2, a tension spring 410 is connected between the movable rack 49 and the protective cover 48, a driving gear 411 for transmitting power is connected to the wire spool 46, and the movable rack 49 is meshed with the driving gear 411.

The top layer folding expansion part 5 comprises a supporting seat 51, a rotating shaft 52, a driven gear 53, a slotted swing rod 54, a connecting rod 55, a pushing rack 56, an elastic folding water-proof cloth 57 and a heat insulation board 58, wherein the top part outside the carriage 2 is connected with the supporting seat 51 through a fastening piece, the rotating shaft 52 is rotatably connected on the supporting seat 51, the driven gear 53 is fixedly connected in the middle of the rotating shaft 52, the slotted swing rod 54 used as a support is welded at the two ends of the rotating shaft 52, the connecting rod 55 is fixedly connected on the two movable racks 49 together, the connecting rod 55 is connected with a protective cover 48 in a sliding manner, the connecting rod 55 is connected with the carriage 2 in a vertical sliding manner, the pushing rack 56 is fixedly connected at the top part of the connecting rod 55, the pushing rack 56 is meshed with the driven gear 53, the top part of the carriage 2 is hermetically connected with the elastic folding water-proof cloth 57, and the elastic folding water-proof cloth 57 is used for isolating the carriage 2 from the outside, the top of the elastic folding water-proof cloth 57 is connected with a heat-proof plate 58 for isolating external sunlight, the heat-proof plate 58 is used for pulling the elastic folding water-proof cloth 57 to extend, the two slotting oscillating bars 54 are in limit fit with the heat-proof plate 58, and the slotting oscillating bars 54 are used for supporting the heat-proof plate 58.

The auxiliary climbing part 6 comprises a supporting plate 61, a first climbing frame 62, a second climbing frame 63, a supporting frame 65 and a homing spring 66, a pair of supporting plates 61 is fixedly arranged on the left side wall in the carriage 2, the two supporting plates 61 are connected with the first climbing frame 62 in a co-rotating mode, the second climbing frame 63 is connected onto the first climbing frame 62 in a sliding mode, the first climbing frame 62 and the second climbing frame 63 are used for people to climb, two movable cavities 64 are formed in the first climbing frame 62, the supporting frame 65 is connected into the movable cavities 64 in a sliding mode, the supporting frame 65 is in mutual contact with the second climbing frame 63, the supporting frame 65 is used for blocking and supporting the bottom of the second climbing frame 63, and the homing spring 66 is connected between the supporting frame 65 and the first climbing frame 62.

When the motor home is used, when a user needs to expand the compartment 2 according to actual conditions and requirements, the user manually controls the electric push rod 31 to extend, the electric push rod 31 extends to drive the bed frame 32 to move upwards, the bed frame 32 drives the movable rack 49 to move upwards, the movable rack 49 drives the driving gear 411 and the wire reel 46 to rotate, the wire reel 46 winds the pull wire 47, the pull wire 47 pulls the movable strip 42 and the baffle plate 44 to move towards the direction close to the motor home body 1, so that the baffle plate 44 cannot block the bed frame 32, the bed frame 32 can smoothly ascend, the height space of the motor home is expanded, and the motor home can be conveniently inhabited by multiple people in the motor home, meanwhile, the movable rack 49 can drive the connecting rod 55 and push the rack 56 to move upwards, push the rack 56 to drive the driven gear 53 and the device on the driven gear to rotate, the slotted swing rod 54 swings to drive the heat insulation board 58 to move upwards, so that the thermal insulation board 58 pulls the elastic folding water-proof cloth 57 to extend to form a closed space, the caravan can still be moved after the height space of the caravan is expanded, and the caravan is suitable for running on roads with different widths except for the height-limiting road.

After the high space of car as a house obtains the extension, the user promotes second climbing frame 63 to move upwards manually, when second climbing frame 63 and support frame 65 separation, compressed homing spring 66 resets and drives support frame 65 towards moving near second climbing frame 63 direction, make support frame 65 can block and support second climbing frame 63 bottom, then the staff manually rotates first climbing frame 62 and device on it, make first climbing frame 62 and second climbing frame 63 be located the bed frame 32 side, then the user can be through climbing first climbing frame 62 and second climbing frame 63 to the bed frame 32 top, be convenient for the resident to have a rest or sleep on bed frame 32.

When the capacity of the caravan is not required to be expanded, a user manually rotates the first climbing frame 62 and resets the device thereon, then pushes the support frame 65 to move towards the direction far away from the second climbing frame 63, the support frame 65 no longer supports the bottom of the second climbing frame 63, and the second climbing frame 63 slides downwards under the influence of gravity to reset. Then, a user manually controls the electric push rod 31 to contract, the electric push rod 31 contracts to drive the bed frame 32 to move downwards, the bed frame 32 drives the movable rack 49 to move downwards, the movable rack 49 drives the connecting rod 55 and the push rack 56 to move downwards, the push rack 56 drives the driven gear 53 and the device thereon to rotate in the reverse direction, so that the slotted swing rod 54 swings to drive the heat insulation plate 58 to move downwards, meanwhile, the movable rack 49 drives the driving gear 411 and the wire spool 46 to rotate in the reverse direction, the wire spool 46 releases the pull wire 47, the pull wire 47 does not pull the movable strip 42 and the blocking plate 44 any more, the compressed return spring 43 resets to drive the movable strip 42 and the blocking plate 44 to move in the direction away from the caravan body 1, and the blocking plate 44 blocks the top of the carriage 2, so that the purpose of contracting or expanding the volume of the bed frame 32 is achieved.

Example 2

On the basis of the embodiment 1, as shown in fig. 14, the folding auxiliary supporting component 7 is further included, the folding auxiliary supporting component 7 is disposed at the top of the car 2, the folding auxiliary supporting component 7 is used for assisting in supporting the heat insulation board 58, the folding auxiliary supporting component 7 includes a first support 71, a first support 72, a second support 73, a second support 74, a strip-shaped plate 76 and a limit bolt 77, two pairs of first supports 71 are fixedly mounted at the top of the car 2, the first support 71 is hinged with the first support 72, two pairs of second supports 73 are fixedly mounted at the bottom surface of the heat insulation board 58, the second support 74 is hinged on the second support 73, the second support 74 is rotatably connected with the first support 72, the first support 72 and the second support 74 are used for supporting the heat insulation board 58, a threaded hole 75 is formed on the first support 72, the strip-shaped plate 76 is fixedly connected to one side of the first support 71 opposite to each other, the strip-shaped plate 76 is rotatably connected with a limiting bolt 77 corresponding to the threaded hole 75, and the limiting bolt 77 is used for being screwed into the threaded hole 75 to fix the first support rod 72 and the device thereon.

When the heat insulation plate 58 moves upwards, the heat insulation plate 58 drives the second support 73 to move upwards, the second support 73 drives the second support rod 74 and the first support rod 72 to swing, the threaded hole 75 corresponds to the limit bolt 77, a user screws the limit bolt 77 into the threaded hole 75, the first support rod 72 and the device on the first support rod are fixed by the limit bolt 77, the stability of the heat insulation plate 58 is guaranteed, the heat insulation plate 58 is prevented from being scraped down in strong wind, and the safety performance of the motor home is improved.

Example 3

In addition to the embodiment 2, as shown in fig. 15, 16 and 17, the foldable article placing component 8 is further included, the foldable article placing component 8 is fixedly installed on the top of the carriage 2, the foldable article placing component 8 is used for placing articles, the foldable article placing component 8 is located in the elastic foldable water-proof cloth 57, the foldable article placing component 8 includes a bottom placing plate 81, a first connecting rod 82, a second connecting rod 83, a top placing plate 84, an inclined plane limiting rod 85 and a limiting spring 86, the bottom placing plate 81 is fixedly installed on the top of the carriage 2, the bottom placing plate 81 is used for placing articles, the bottom placing plate 81 is rotatably connected with the two first connecting rods 82, the top placing plate 84 is commonly and limitedly matched with the two first connecting rods 82, the top placing plate 84 is used for placing articles, the top placing plate 84 is rotatably connected with the two second connecting rods 83, the two second connecting rods 83 are both in limiting fit with the bottom placing plate 81, the bottom placing plate 81 is slidably connected with two inclined plane limiting rods 85, the inclined plane limiting rods 85 are used for blocking the second connecting rods 83, and limiting springs 86 are connected between the inclined plane limiting rods 85 and the bottom placing plate 81.

When a user needs to use the top placing plate 84 to place articles, the user manually pulls the top placing plate 84 to move upwards, the top placing plate 84 drives the first connecting rod 82 and the second connecting rod 83 to swing, the second connecting rod 83 can push the inclined plane limiting rod 85 to move upwards, and then the inclined plane limiting rod 85 is reset by the stretched limiting spring 86 to drive the inclined plane limiting rod 85 to move downwards to reset, so that the inclined plane limiting rod 85 blocks the second connecting rod 83, the second connecting rod 83 and the device on the second connecting rod 83 are fixed, and the user can be guaranteed to use normally.

Example 4

On the basis of the embodiment 3, as shown in fig. 7, the bed frame further comprises a porous plate 9, two porous plates 9 are fixedly installed on the bottom surface of the bed frame 32, the two porous plates 9 are used for placing the hammock, and the porous plates 9 are also used for hanging other objects.

After bed frame 32 upward movement carries out the dilatation to the car as a house, can settle the hammock between two perforated plates 9, make the resident can be more comfortable rest of going on, also can hang other articles at perforated plate 9, improve the practicality of car as a house.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a car as a house that possesses top layer space dilatation function, including car as a house automobile body (1), characterized by still including:

the motor home is characterized by comprising a carriage (2), wherein the carriage (2) is fixed on the rear side of the motor home body (1), and a home function is arranged in the carriage (2) and can be used for daily life of residents;

the bed height adjusting part (3) is fixedly installed on the rear side of the inner bottom surface of the carriage (2), and the bed height adjusting part (3) is used for adjusting the height position of a bed to expand the height space and play a role in expanding the carriage (2);

the separation component (4) is arranged in the carriage (2), and the separation component (4) is used for separating the upper part of the carriage (2) when the height space is fixed;

the foldable top-layer expansion part (5) is arranged on the carriage (2), and the foldable top-layer expansion part (5) is used for expanding the height space in the carriage (2);

supplementary climbing part (6), fixed mounting has supplementary climbing part (6) on the left side wall in carriage (2), supplementary climbing part (6) are used for being convenient for the resident can climb smoothly to the top after the car as a house dilatation and have a rest or sleep.

2. The caravan with the capacity expansion function of the top space as claimed in claim 1, wherein: the bed height adjusting part (3) comprises an electric push rod (31) and a bed frame (32), four electric push rods (31) are fixedly installed on the rear side of the inner bottom surface of the carriage (2), and the bed frame (32) is welded on the four electric push rods (31) together.

3. The caravan with the capacity expansion function of the top space as claimed in claim 2, wherein: the separation part (4) comprises a batten (41), a movable strip (42), a reset spring (43), a separation plate (44), a guide wheel (45), a wire spool (46), a pull wire (47), a protective cover (48), a movable rack (49), a tension spring (410) and a drive gear (411), the batten (41) is fixedly installed at the inner top of the carriage (2), the movable strip (42) is connected with the batten (41) in a sliding manner, the movable strip (42) is connected with the carriage (2) in a sliding manner, a pair of reset springs (43) is connected between the movable strip (42) and the batten (41), the separation plate (44) is fixedly connected to the top surface of the movable strip (42), the separation plate (44) is connected with the carriage (2) in a sliding manner, the guide wheel (45) is rotatably connected above the two inner sides of the carriage (2), the wire spools (46) are rotatably connected with the two inner sides of the carriage (2), the pull wire (47) is wound on the wire spool (46), stay wire (47) bypasses guide wheel (45), one end of stay wire (47) is fixedly connected with movable strip (42), two sides below are fixedly installed with protective cover (48) in carriage (2), wire spool (46) is located in protective cover (48), stay wire (47) runs through protective cover (48), protective cover (48) is connected with movable rack (49) in a sliding mode, movable rack (49) is fixedly connected with bottom surface of bed frame (32), movable rack (49) is in contact with carriage (2), extension spring (410) is connected between movable rack (49) and protective cover (48), driving gear (411) is fixedly connected onto wire spool (46), movable rack (49) is meshed with driving gear (411).

4. The caravan with the capacity expansion function of the top space as claimed in claim 3, wherein: the top-layer folding expansion part (5) comprises a supporting seat (51), a rotating shaft (52), a driven gear (53), a slotted swing rod (54), a connecting rod (55), a pushing rack (56), elastic folding water-proof cloth (57) and a heat-insulating plate (58), wherein the outer top of the carriage (2) is connected with the supporting seat (51) in a fastening piece connecting mode, the rotating shaft (52) is rotatably connected on the supporting seat (51), the driven gear (53) is fixedly connected at the middle part of the rotating shaft (52), the slotted swing rod (54) is welded at the two ends of the rotating shaft (52), the connecting rod (55) is fixedly connected on the two movable racks (49) together, the connecting rod (55) is connected with the protective cover (48) in a sliding mode, the connecting rod (55) is connected with the carriage (2) in a sliding mode, the pushing rack (56) is fixedly connected at the top of the connecting rod (55), and the pushing rack (56) is meshed with the driven gear (53), the top of the carriage (2) is hermetically connected with an elastic folding water-proof cloth (57), the top of the elastic folding water-proof cloth (57) is connected with a heat-insulating plate (58), and the two slotted swing rods (54) are in limit fit with the heat-insulating plate (58).

5. The caravan with the capacity expansion function of the top space as claimed in claim 4, wherein: the elastic folding water-proof cloth (57) is made of water-proof materials, the elastic folding water-proof cloth (57) has the advantages of high bonding strength, high tensile strength, good elasticity, water resistance and the like, and can ensure that the elastic folding water-proof cloth (57) is not easy to topple over after being supported to expand the capacity of the caravan, and is used for isolating the outside severe weather.

6. The caravan with the capacity expansion function of the top space as claimed in claim 4, wherein: supplementary climbing part (6) is including extension board (61), first climbing frame (62), second climbing frame (63), support frame (65) and playback spring (66), left side wall fixed mounting has a pair of extension board (61) in carriage (2), common rotary type is connected with first climbing frame (62) on two extension boards (61), sliding connection has second climbing frame (63) on first climbing frame (62), it has two movable chamber (64) to open in first climbing frame (62), sliding connection has support frame (65) in movable chamber (64), support frame (65) and second climbing frame (63) contact each other, be connected with playback spring (66) between support frame (65) and first climbing frame (62).

7. The caravan with the capacity expansion function of the top space as claimed in claim 6, wherein: first climbing frame (62) and second climbing frame (63) collapsible connection for it is big to have avoided the occupation space of traditional cat ladder, and first climbing frame (62) and second climbing frame (63) quality are lighter, the removal and the use of the cat ladder of being convenient for, and the practicality obtains further strengthening.

8. The caravan with the capacity expansion function of the top space as claimed in claim 6, wherein: also comprises a folding auxiliary supporting component (7), the top of the carriage (2) is provided with the folding auxiliary supporting component (7), the folding auxiliary supporting component (7) comprises a first support (71), a first supporting rod (72) and a second support (73), second bracing piece (74), bar plate (76) and stop bolt (77), carriage (2) top fixed mounting has two pairs of first supports (71), it has first bracing piece (72) to articulate on first support (71), heat insulating board (58) bottom surface fixed mounting has two pairs of second supports (73), second bracing piece (74) articulate on second support (73), second bracing piece (74) are connected with first bracing piece (72) rotary type, it has screw hole (75) to open on first bracing piece (72), first support (71) one side rigid coupling in opposite directions has bar plate (76), the last rotary type of bar plate (76) is connected with stop bolt (77) corresponding with screw hole (75).

9. The caravan with the capacity expansion function of the top space as claimed in claim 8, wherein: the folding water-proof and water-proof heat insulation structure is characterized by further comprising a folding object placing component (8), the top of the carriage (2) is fixedly provided with the folding object placing component (8), the folding object placing component (8) is positioned in the elastic folding water-proof cloth (57), the folding object placing component (8) comprises a bottom placing plate (81), a first connecting rod (82), a second connecting rod (83), a top placing plate (84), an inclined plane limiting rod (85) and a limiting spring (86), the top of the carriage (2) is fixedly provided with the bottom placing plate (81), the bottom placing plate (81) is rotatably connected with the two first connecting rods (82), the top placing plate (84) is in common limiting fit on the two first connecting rods (82), the top placing plate (84) is rotatably connected with the two second connecting rods (83), the two second connecting rods (83) are both in limiting fit with the bottom placing plate (81), the bottom placing plate (81) is slidably connected with the two inclined plane limiting rods (85), a limit spring (86) is connected between the inclined plane limit rod (85) and the bottom placing plate (81).

10. The caravan with the capacity expansion function of the top space as claimed in claim 9, wherein: the bed is characterized by also comprising two porous plates (9), wherein the two porous plates (9) are fixedly arranged on the bottom surface of the bed frame (32).