CN117207877A - Expandable type motor home carriage top structure and application method thereof - Google Patents

Abstract

The invention relates to the technical field of motor home, in particular to an expandable motor home carriage top structure and a use method thereof, the expandable motor home carriage top structure comprises a carriage, wherein the upper end of the carriage is provided with a heat insulation board, an expansion box connected with the heat insulation board is arranged in the carriage, an expansion box is arranged in the expansion box, the expansion box is internally provided with an expansion frame structure, the expansion frame structure comprises a first folding piece and a second folding piece which can be folded and contracted, the lower ends of the first folding piece and the second folding piece are respectively provided with a cleaning structure in power connection with the expansion frame structure, the expansion frame structure is also in power connection with the expansion structure connected with the expansion box, and the lower end of the heat insulation board is provided with a ventilation structure connected with the carriage top.

Description

Expandable type motor home carriage top structure and application method thereof

Technical Field

The invention relates to the technical field of caravan, in particular to a top structure of a carriage of a scalable caravan and a use method thereof.

Background

The motor home is a fashion facility vehicle type introduced from abroad, and the household facilities on the motor home are as follows: furniture and electrical appliances such as bedding, stoves, cupboards, sofas, dining chairs, washing facilities, air conditioners, televisions, toilets and the like can be divided into a driving area, a living area, a bedroom area, a sanitary area and the like, and the caravan is a fashion product integrating clothes, food, living and traveling into a whole, and realizing traveling in life and living in traveling.

The motor home belongs to a blank market in China, and in this aspect, intensive researches are lacking; when the caravan is configured, the household facilities configured in the box body are matched with equipment according to the box type structure and the box type size, and as the basic function of the caravan is movable, the box body capable of being mounted on the underframe is needed, the space (namely the length, the width and the height) of the house is limited to a certain extent; meanwhile, more household facilities are needed to be accommodated, and a proper movable space is reserved, so that the space is required, and the space is required to be as large as possible; therefore, the two requirements are contradictory, and only living space and activity space can be compressed as much as possible to ensure the integrity and diversity of the home facilities, and finally, the current caravan has the biggest defect of small space.

The existing mode is generally provided with an expansion tank in a carriage, the expansion tank is simply arranged, the expansion area of the available space in the carriage is small, and when living in a motor home, the bottom of the expansion tank can slide into part of garbage, so that the cleaning is inconvenient.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the expandable type motor home carriage top structure and the use method thereof, which effectively solve the problems that the available space in the carriage is small in expansion area, and the bottom of the expansion box can slide into part of garbage and is inconvenient to clean when living in the motor home simply by arranging the expansion box in the carriage in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a but expansion formula car as a house carriage top structure, is provided with the heat insulating board including the carriage, the upper end in carriage is provided with the expansion case that is connected with the heat insulating board in the carriage, is provided with the exhibition frame structure in the expansion case, the exhibition frame structure is including first folded piece and the second folded piece that can fold the shrink, and the lower extreme of first folded piece and second folded piece is provided with respectively with the clean structure of exhibition frame structure power connection, clean the structure including the disc of reciprocating arc swing limit rotation, the edge of disc evenly is provided with a plurality of cleaning leaves, the expansion structure that the expansion frame structure still power connection is connected with the expansion case, the lower extreme of heat insulating board is provided with the structure of taking a breath that is connected with the carriage top, and the structure of taking a breath is including the scavenger fan.

Further, the display rack structure also comprises a first supporting block and a second supporting block, the first supporting block is connected with a first folding piece, the second supporting block is connected with a second folding piece, the first folding piece comprises a first carrier plate and a second carrier plate, the second folding piece comprises a third carrier plate and a fourth carrier plate, a first supporting cylinder is respectively arranged between the first carrier plate and the second carrier plate and between the third carrier plate and the fourth carrier plate, the two ends of the first supporting cylinder are respectively and fixedly connected with a slide column, the lower end of the first carrier plate is rotationally connected with a first limiting plate, a second supporting cylinder is arranged between the second carrier plate and the third carrier plate, the lower end of the second supporting cylinder is rotationally connected with a second limiting plate corresponding to the first limiting plate, one end of the first supporting block is provided with a motor, the output end of the motor is fixedly connected with a first driving bevel gear, the first driving bevel gear is meshed with a first driven bevel gear, the first driven bevel gear is fixedly connected with a first transmission rod which is rotationally connected with a first supporting block, the upper end of the first transmission rod is fixedly connected with a driving pulley, a second transmission rod which corresponds to the first transmission rod is arranged on a second supporting block, the upper end of the second transmission rod is provided with a driven pulley which corresponds to the driving pulley, a transmission belt is arranged between the driving pulley and the driven pulley, the transmission belt is respectively in sliding connection with the inner walls of the first supporting block, the second supporting block and a second limiting plate, one end of the transmission belt is provided with a fixed clamping block which is fixedly connected with the inner wall of the first limiting plate, a pair of bearing columns and limiting columns are respectively arranged between the first supporting block and the second supporting block, the bearing columns are in sliding connection with sliding columns, and the limiting column is respectively connected with the inner walls of the first limiting plate and the second limiting plate in a sliding way.

Further, clean the structure still including with first transfer line lower extreme fixed connection's second initiative bevel gear, the meshing of second initiative bevel gear has the driven bevel gear of second, the lower extreme of first transfer line and second transfer line is rotated respectively and is connected with the spacing ring, spacing ring fixedly connected with base, is provided with the extension board between the base, is provided with the arc wall in the extension board, the second initiative bevel gear fixedly connected with and the extension board rotate the hob of being connected, hob threaded connection has a spiral section of thick bamboo, the lower extreme fixedly connected with grooved bar of spiral section of thick bamboo, grooved bar inner wall sliding connection has spacing slider, and the lower extreme of spacing slider is provided with the bull stick, the lower extreme and the disc fixed connection of bull stick, the edge of arc wall is provided with the arc rack with extension board fixed connection, the lower extreme of bull stick is provided with the first straight gear with arc rack looks meshing.

Further, the expansion structure further comprises straight racks fixedly connected with two ends of the inner wall of the expansion box, the upper ends of the first transmission rod and the second transmission rod are fixedly connected with driving sprockets respectively, the driving sprockets are connected with driven sprockets, the driven sprockets are coaxially and fixedly connected with second straight gears meshed with the straight racks, and limiting baffles are arranged outside the expansion box.

Further, the front end of the carriage is provided with a slit component matched with the ventilation structure, the slit component comprises an upper windward plate fixedly connected with the heat insulation plate, the lower end of the upper windward plate is provided with a lower windward plate fixedly connected with the carriage, two ends of the heat insulation plate are respectively provided with a sliding pin, and two ends of the carriage are respectively provided with a supporting sliding plate in sliding connection with the sliding pins.

Further, the carriage top is provided with the through-hole, is provided with the holding ring of rotating the connection with the scavenger fan in the through-hole, the lower extreme of through-hole is provided with the leak protection box with carriage fixed connection, and the lower extreme of leak protection box is provided with the smooth storehouse of detachable connection, be provided with the dust removal structure who is connected with the scavenger fan in the leak protection box, dust removal structure is including the third initiative bevel gear with scavenger fan fixed connection, and the both ends of third initiative bevel gear mesh respectively have third driven bevel gear, and third driven bevel gear is fixedly connected with cam respectively, cam inside groove sliding connection has the bolt, the one end fixedly connected with slide bar of bolt, the one end of slide bar is provided with the scrubbing plate with carriage sliding connection.

The invention also provides a use method of the expandable type motor home carriage top structure, which comprises the following steps:

s1, when a vehicle runs, the effect of wind force on a ventilation fan can be increased under the effect of a slit assembly, the ventilation fan rotates, the air pressure at the upper end of a through hole of a carriage can be reduced, the air exchange between the inside and the outside of the carriage can be rapidly realized, and as dust outside can be adhered to the carriage in the leakage-proof box, a sliding cabin on the leakage-proof box is closed, and the wiping plates at the two ends can slide back and forth, so that the dust adhered to the carriage is removed into the sliding cabin;

s2, when the space in the carriage is required to be expanded, the expansion box and the heat insulation plate can be controlled to move outwards at the same time, and the heat insulation plate can shield the joint of the expansion box and the carriage;

s3, when the expansion box moves outwards, the expansion frame structure works, the first folding piece and the second folding piece are unfolded, articles can be placed, and the using space in a carriage is greatly enlarged;

s4, the cleaning structure works in the unfolding process of the first folding piece and the second folding piece, the cleaning blades swing in an arc-shaped reciprocating manner while rotating, and household garbage at the bottom of the expansion box can be cleaned out, so that the cleaning device is simple and convenient.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the expansion structure and the display frame structure are arranged, the expansion box moves outwards along the inner wall of the carriage under the bearing action of the limit baffle, so that the expansion of the space in the carriage is realized, the standby space in the carriage is greatly increased, and a plane supporting table can be formed after the first carrier plate, the second carrier plate, the third carrier plate and the fourth carrier plate are expanded, so that articles can be placed, the use space in the carriage is greatly increased, and the expansion box can be stored in the expansion box when not used, so that the occupation of extra space is avoided.

2. According to the invention, the cleaning structure is arranged, the first straight gear on the rotating rod is meshed with the arc-shaped rack in the moving process, the rotating rod rotates while moving horizontally in an arc shape, and the rotating rod drives the disc and the cleaning blade to rotate while moving in an arc shape, so that household garbage staying at the bottom of the expansion box can be cleaned out, and the overall sanitation in the carriage is ensured.

3. According to the invention, the ventilation structure is arranged, so that the air blowing speed of the ventilation fan can be increased through the slit component in the running process of the motor home, the rotating speed of the ventilation fan is improved, the pressure outside the through hole can be reduced in the rotation process of the ventilation fan, the sliding cabin on the leakage-proof box can be taken down, the air exchange between the interior and the exterior of the carriage is accelerated, and the air freshness in the carriage is maintained.

4. According to the invention, the dust removing structure is arranged, when outdoor air is wet or dirty, the inner groove is meshed with the bolt in the rotating process of the cam, so that the sliding rod can reciprocate, the sliding rod drives the scrubbing plate to reciprocate, water stains or other dust stained in a carriage around the through hole can be removed, and the dust falls into the sliding cabin, so that the cleaning of the top of the carriage in the leakage-proof box is ensured.

Drawings

FIG. 1 is an isometric view of a roof structure of a scalable motor home compartment of the present invention;

FIG. 2 is a front view of a roof structure of a motor home cabin in accordance with the present invention;

FIG. 3 is a schematic structural view of an expansion tank of the top structure of a cabin of an expandable motor home of the invention;

FIG. 4 is a first schematic view of a display rack structure of a roof structure of a car as a house of the present invention;

FIG. 5 is a second schematic diagram of a display rack structure of a roof structure of a car as a house of the present invention;

FIG. 6 is a schematic diagram of a belt with a top structure of a car as a house of the present invention;

FIG. 7 is a first schematic view of a cleaning structure for a roof structure of a motor home in an expandable manner according to the present invention;

FIG. 8 is a second schematic view of a sweeping structure of a roof structure of a motor home with expandable structure according to the present invention;

FIG. 9 is a schematic view of a sweeping blade of the expandable motor home roof structure of the present invention;

FIG. 10 is a schematic view of the internal structure of an expansion tank of the expandable motor home compartment roof structure of the present invention;

FIG. 11 is a schematic structural view of a heat shield of a roof structure of a deployable caravan of the present invention;

FIG. 12 is a schematic view of a ventilation structure of a roof structure of a car as a house of the present invention;

FIG. 13 is a schematic view of a dust removal structure of a roof structure of a car as a house of the present invention;

FIG. 14 is a schematic view of a cam structure of a roof structure of a motor home in accordance with the present invention;

FIG. 15 is a schematic view of a leak-proof box of the expandable motor home compartment roof structure of the present invention;

in the figure: 1. the carriage, 2, the expansion box, 3, the heat insulation board, 4, the support sliding board, 5, the sliding pin, 6, the upper windward board, 7, the lower windward board, 8, the connecting rod, 9, the second carrier board, 10, the first carrier board, 11, the third carrier board, 12, the fourth carrier board, 13, the sliding column, 14, the second support block, 15, the first support block, 16, the first transmission rod, 17, the motor, 18, the first driving bevel gear, 19, the first driven bevel gear, 20, the driving pulley, 21, the transmission belt, 22, the first limiting board, 23, the driven pulley, 24 and the fixed clamping block, 25, a second limiting plate, 26, a limiting column, 27, a bearing column, 28, a second transmission rod, 29, a second driving bevel gear, 30, a second driven bevel gear, 31, a screw rod, 32, an arc-shaped rack, 33, a screw cylinder, 34, a first straight gear, 35, a base, 36, a support plate, 37, a groove rod, 38, a limiting sliding block, 39, a rotating rod, 40, a disc, 41, a cleaning blade, 42, a straight rack, 43, a leakage-proof box, 44, a sliding bin, 45, a ventilating fan, 46, a supporting ring, 47, a third driving bevel gear, 48, a third driven bevel gear, 49 and a cam; 50. a plug pin; 51. a rubbing plate; 52. a slide bar; 53. a drive sprocket; 54. a chain belt; 55. a driven sprocket; 56. a second spur gear; 57. a limit baffle; 58. an arc-shaped groove; 59. a handle.

Detailed Description

The utility model provides a can extend formula car as a house carriage top structure, as shown in fig. 1-15, including carriage 1, the upper end of carriage 1 is provided with heat insulating board 3, is provided with the expansion case 2 that is connected with heat insulating board 3 in the carriage 1, is provided with the exhibition frame structure in the expansion case 2, the exhibition frame structure is including first folded piece and the second folded piece that can fold the shrink, and the lower extreme of first folded piece and second folded piece is provided with the cleaning structure with exhibition frame structure power connection respectively, the cleaning structure is including the disc 40 of reciprocating arc swing limit rotation, and the edge of disc 40 evenly is provided with a plurality of cleaning leaves 41, exhibition frame structure still power connection has the expansion structure with be connected with expansion case 2, the lower extreme of heat insulating board 3 is provided with the ventilation structure that is connected with carriage 1 top, and the ventilation structure is including scavenger fan 45.

When the vehicle cabin interior decoration heat insulation device is used, the heat insulation plate 3 can insulate the top of the vehicle cabin 1, the aging progress of the vehicle interior decoration is reduced, the ventilation structure at the lower end of the heat insulation plate 3 works when the vehicle is running, the ventilation fan 45 rotates, the pressure intensity outside the vehicle cabin 1 is reduced, the convection of air in the cabin interior and outside the cabin is quickened, the air exchange in the vehicle cabin 1 is realized rapidly, when the space in the vehicle cabin 1 needs to be expanded, the operation of the expansion frame structure can be controlled, the first folding piece and the second folding piece can be expanded, the articles can be placed, the use space in the vehicle cabin 1 is greatly increased, meanwhile, the expansion structure works, the expansion structure drives the expansion cabin 2 to move outwards, the standby space in the vehicle cabin 1 is greatly increased, the cleaning structure works in the process of the outward movement of the expansion cabin 2, the disc 40 drives the cleaning blade 41 to swing in an arc shape and rotate, and the domestic garbage staying at the bottom of the expansion cabin 2 can be cleaned out, and the whole sanitation in the vehicle cabin 1 is ensured.

As shown in fig. 3-6, the display rack structure further comprises a first supporting block 15 and a second supporting block 14, the first supporting block 15 is connected with a first folding piece, the second supporting block 14 is connected with a second folding piece, the first folding piece comprises a first carrier plate 10 and a second carrier plate 9, the second folding piece comprises a third carrier plate 11 and a fourth carrier plate 12, a first supporting cylinder is respectively arranged between the first carrier plate 10 and the second carrier plate 9 and between the third carrier plate 11 and the fourth carrier plate 12, two ends of the first supporting cylinder are respectively and fixedly connected with a slide column 13, the lower end of the first carrier plate 10 is rotatably connected with a first limiting plate 22, a second supporting cylinder is arranged between the second carrier plate 9 and the third carrier plate 11, the lower end of the second supporting cylinder is rotatably connected with a second limiting plate 25 corresponding to the first limiting plate 22, one end of the first supporting block 15 is provided with a motor 17, the output end of the motor 17 is fixedly connected with a first driving bevel gear 18, the first driving bevel gear 18 is meshed with a first driven bevel gear 19, the first driven bevel gear 19 is fixedly connected with a first transmission rod 16 which is rotationally connected with the first supporting block 15, the upper end of the first transmission rod 16 is fixedly connected with a driving pulley 20, the second supporting block 14 is provided with a second transmission rod 28 which corresponds to the first transmission rod 16, the upper end of the second transmission rod 28 is provided with a driven pulley 23 which corresponds to the driving pulley 20, a transmission belt 21 is arranged between the driving pulley 20 and the driven pulley 23, the transmission belt 21 is respectively in sliding connection with the inner walls of the first supporting block 15, the second supporting block 14 and a second limiting plate 25, one end of the transmission belt 21 is provided with a fixed clamping block 24 which is fixedly connected with the inner wall of the first limiting plate 22, a pair of bearing columns 27 and limiting columns 26 are respectively arranged between the first supporting block 15 and the second supporting block 14, the bearing columns 27 are in sliding connection with the sliding columns 13, and the limiting columns 26 are respectively in sliding connection with the inner walls of the first limiting plate 22 and the second limiting plate 25.

Preferably, the first supporting block 15 and the second supporting block 14 respectively play roles in supporting and limiting the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12, when the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 need to be unfolded, the motor 17 can be controlled to work, the output end of the motor 17 is electrified, the first driving bevel gear 18 rotates, the first driving bevel gear 18 drives the first driven bevel gear 19 to rotate, the first driven bevel gear 19 drives the first transmission rod 16 to rotate, the driving pulley 20 is driven to rotate in the rotating process of the first transmission rod 16, the driving pulley 20 realizes the rotation of the transmission belt 21 under the cooperation of the driven pulley 23, the transmission belt 21 drives the first limiting plate 22 to horizontally move through the fixed clamping block 24 in the rotating process, the first limiting plate 22 drives the first carrier plate 10 to move, and as the first limiting plate 22 and the second limiting plate 25 are respectively in sliding connection with the limiting columns 26, the first limiting plate 22 and the second limiting plate 25 are ensured to horizontally move along the axial direction of the limiting columns 26, the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 are unfolded downwards under the action of the first supporting column in the moving process, the sliding columns 13 at two ends of the first supporting column can be matched with the carrying columns 27, the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 are supported, a plane supporting table can be formed after the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 are unfolded, articles can be placed, and the using space in the carriage 1 is greatly enlarged.

As shown in fig. 3 and 7-9, the cleaning structure further comprises a second driving bevel gear 29 fixedly connected with the lower end of the first transmission rod 16, the second driving bevel gear 29 is meshed with a second driven bevel gear 30, the lower ends of the first transmission rod 16 and the second transmission rod 28 are respectively and rotatably connected with a supporting ring 46, the supporting rings 46 are fixedly connected with a base 35, a support plate 36 is arranged between the bases 35, a spiral groove 58 is arranged in the support plate 36, the second driven bevel gear 30 is fixedly connected with a spiral rod 31 rotatably connected with the support plate 36, the spiral rod 31 is in threaded connection with a spiral cylinder 33, the lower end of the spiral cylinder 33 is fixedly connected with a groove rod 37, a limit sliding block 38 is slidably connected with the inner wall of the groove rod 37, the lower end of the limit sliding block 38 is provided with a rotating rod 39, the lower end of the rotating rod 39 is fixedly connected with a disc 40, the edge part of the arc-shaped groove 58 is provided with an arc-shaped rack 32 fixedly connected with the support plate 36, and the lower end of the rotating rod 39 is provided with a first straight gear 34 meshed with the arc-shaped rack 32.

Preferably, the supporting ring 46 and the base 35 play roles in supporting and limiting the first transmission rod 16 and the second transmission rod 28 respectively, the second driving bevel gear 29 is driven to rotate in the rotating process of the first transmission rod 16, the second driving bevel gear 29 drives the second driven bevel gear 30 to rotate, the second driven bevel gear 30 drives the spiral rod 31 to rotate, the spiral rod 31 is in threaded fit with the spiral cylinder 33 in the rotating process of the spiral rod 31, the spiral cylinder 33 moves along the axial direction of the spiral rod 31, the spiral cylinder 33 drives the groove rod 37 to move horizontally, the groove rod 37 drives the limit sliding block 38 to move, the limit sliding block 38 drives the rotary rod 39 to move along the arc groove 58 on the support plate 36, the first straight gear 34 on the rotary rod 39 is meshed with the arc rack 32 in the moving process of the rotary rod 39, the rotary rod 39 rotates while moving horizontally and the rotary rod 39 drives the circular disc 40 and the cleaning blade 41 to rotate while moving arcuately, and living garbage staying at the bottom of the expansion box 2 can be cleaned out, and the integral sanitation in the carriage 1 is ensured.

As shown in fig. 3, 7 and 10, the expanding structure further comprises a spur gear 42 fixedly connected with two ends of the inner wall of the expanding box 2, the upper ends of the first transmission rod 16 and the second transmission rod 28 are respectively fixedly connected with a driving sprocket 53, the driving sprocket 53 is connected with a driven sprocket 55, the driven sprocket 55 is coaxially and fixedly connected with a second spur gear 56 meshed with the spur gear 42, and a limit baffle 57 is further arranged outside the expanding box 2.

Preferably, the first transmission rod 16 and the second transmission rod 28 respectively drive the driving sprocket 53 to rotate in the process of autorotation, a chain belt 54 is arranged between the driving sprocket 53 and the driven sprocket 55, the driving sprocket 53 realizes the rotation of the driven sprocket 55 through the chain belt 54, the driven sprocket 55 drives the second spur gear 56 to rotate in the process of rotation, and the second spur gear 56 is meshed with the spur racks 42 at two ends of the expansion box 2 in the process of rotation to drive the expansion box 2 to move outwards along the inner wall of the carriage 1 under the bearing action of the limit baffle 57, so that the expansion of the space in the carriage 1 is realized.

As shown in fig. 1 and 2, the front end of the carriage 1 is provided with a slit assembly matched with the ventilation structure, the slit assembly comprises an upper windward plate 6 fixedly connected with a heat insulation plate 3, the lower end of the upper windward plate 6 is provided with a lower windward plate 7 fixedly connected with the carriage 1, two ends of the heat insulation plate 3 are respectively provided with a sliding pin 5, and two ends of the carriage 1 are respectively provided with a supporting sliding plate 4 in sliding connection with the sliding pins 5.

Preferably, in the running process of the caravan, the upper windward plate 6 and the lower windward plate 7 can increase wind power and then flow in backwards, so that enough power is provided for the ventilating fan 45, the heat insulation plate 3 can move left and right, namely, the sliding pins 5 at two ends of the heat insulation plate 3 can slide along the supporting sliding plate 4, after the expansion box 2 moves out, the heat insulation plate 3 can move towards one side of the expansion box 2, and the heat insulation plate 3 can play a certain waterproof and insulating effect on the joint of the expansion box 2 and the carriage 1.

As shown in fig. 2 and 12-15, a through hole is formed in the top of the carriage 1, a supporting ring 46 in rotary connection with the ventilator 45 is arranged in the through hole, a leakage-proof box 43 in fixed connection with the carriage 1 is arranged at the lower end of the through hole, a sliding cabin 44 in detachable connection is arranged at the lower end of the leakage-proof box 43, a dust removing structure connected with the ventilator 45 is arranged in the leakage-proof box 43, the dust removing structure comprises a third driving bevel gear 47 in fixed connection with the ventilator 45, two ends of the third driving bevel gear 47 are respectively meshed with a third driven bevel gear 48, the third driven bevel gears 48 are respectively and fixedly connected with a cam 49, a bolt 50 is slidingly connected with an inner groove of the cam 49, one end of the bolt 50 is fixedly connected with a sliding rod 52, and one end of the sliding rod 52 is provided with a wiping plate 51 in sliding connection with the carriage 1.

Preferably, the motor home can increase the blowing speed to the ventilator 45 through the slit component in the advancing process, the rotating speed of the ventilator 45 is improved, the pressure outside the through hole can be reduced in the rotating process of the ventilator 45, the sliding cabin 44 on the anti-leakage box 43 can be taken down, the air exchange inside and outside the carriage 1 is quickened, the air freshness in the carriage 1 is kept, and when the outdoor air is moist or dirty, one end of the sliding cabin 44 is provided with a handle 59, the sliding cabin 44 can be closed through the handle 59, the third driving bevel gear 47 is driven to rotate in the rotating process of the ventilator 45, the third driving bevel gear 47 respectively drives the third driven bevel gears 48 at two ends to rotate, the third driven bevel gear 48 drives the cam 49 to rotate, the inner groove and the plug pin 50 are meshed in the rotating process of the cam 49, the sliding rod 52 is driven to reciprocate, the sliding rod 52 drives the sliding plate 51 to reciprocate, the water stain or other dust stained in the carriage 1 around the through hole can be removed, and the cleaning of the top of the carriage 1 in the sliding cabin 43 is ensured.

The working process of the invention is as follows: when the automobile cabin anti-collision device is used, the heat insulation plate 3 can insulate the top of the carriage 1, the aging progress of the ornaments in the automobile is reduced, the air blowing speed of the ventilating fan 45 can be increased through the upper windward plate 6 and the lower windward plate 7 in the running process of the automobile, the rotating speed of the ventilating fan 45 is improved, the pressure outside the through hole can be reduced in the rotating process of the ventilating fan 45, the sliding cabin 44 on the anti-collision box 43 can be removed, the air exchange between the inside and the outside of the carriage 1 is accelerated, the air freshness in the carriage 1 is kept, the sliding cabin 44 can be closed when the air outside is moist or dirty, the third driving bevel gear 47 is driven to rotate in the rotating process of the ventilating fan 45, the third driving bevel gear 47 is respectively driven to rotate the third driven bevel gears 48 at two ends, the cam 49 is driven to rotate by the third driven bevel gears 48, the cam 49 is meshed with the inner groove and the plug 50 in the rotating process of the sliding rod 52 to realize the reciprocating movement of the sliding rod 52, the sliding rod 51 is driven by the sliding rod 52 to reciprocate, the water stain or other dust stained in the carriage 1 around the through hole can be removed, and the carriage on the top of the anti-collision box 43 is guaranteed.

When the space in the carriage 1 needs to be expanded, when the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 need to be expanded, the motor 17 can be controlled to work, the output end of the motor 17 is electrified, the first drive bevel gear 18 rotates, the first drive bevel gear 18 drives the first driven bevel gear 19 to rotate, the first driven bevel gear 19 drives the first transmission rod 16 to rotate, the driving pulley 20 is driven to rotate in the rotating process of the first transmission rod 16, the driving pulley 20 is matched with the driven pulley 23 to realize the rotation of the transmission belt 21, the transmission belt 21 drives the first limiting plate 22 to horizontally move through the fixed clamping block 24 in the rotating process, the first limiting plate 22 drives the first carrier plate 10 to move, and because the first limiting plate 22 and the second limiting plate 25 are respectively in sliding connection with the limiting column 26, the first limiting plate 22 and the second limiting plate 25 are ensured to horizontally move along the axial direction of the limiting column 26, the first carrier plate 10 and the second carrier plate 9 and the third carrier plate 11 and the fourth carrier plate 12 are downwards unfolded under the action of the first supporting column in the moving process, the sliding columns 13 at the two ends of the first supporting column can be matched with the bearing columns 27, the supporting of the first carrier plate 10 and the second carrier plate 9 and the third carrier plate 11 and the fourth carrier plate 12 is realized, and a plane supporting table can be formed after the first carrier plate 10 and the second carrier plate 9 and the third carrier plate 11 and the fourth carrier plate 12 are unfolded and can be used for placing objects, so that the using space in the carriage 1 is greatly enlarged.

And simultaneously, the first transmission rod 16 and the second transmission rod 28 respectively drive the driving sprocket 53 to rotate in the process of autorotation, a chain belt 54 is arranged between the driving sprocket 53 and the driven sprocket 55, the driving sprocket 53 realizes the rotation of the driven sprocket 55 through the chain belt 54, the driven sprocket 55 drives the second spur gear 56 to rotate in the process of rotation, and the second spur gear 56 is meshed with the spur racks 42 at two ends of the expansion box 2 in the process of rotation to drive the expansion box 2 to move outwards along the inner wall of the carriage 1 under the bearing action of the limit baffle 57, so that the expansion of the space in the carriage 1 is realized, and the standby space in the carriage 1 is greatly increased.

And the in-process of first transfer line 16 rotation drives second initiative bevel gear 29 and rotates, second initiative bevel gear 29 drives the rotation of second driven bevel gear 30, second driven bevel gear 30 drives the rotation of hob 31, hob 31 pivoted in-process through with hob 33 screw-thread fit, hob 33 moves along hob 31 axial, hob 33 drives grooved bar 37 level and moves, grooved bar 37 drives spacing slider 38 and moves, spacing slider 38 drives bull stick 39 and moves along arc groove 58, bull stick 39 is in the in-process of moving first straight gear 34 on bull stick 39 meshes with arc rack 32, bull stick 39 moves and rotates while horizontal arc swing, bull stick 39 drives disc 40 and cleans blade 41 and rotates while arc swing, can clean out the domestic waste that expansion case 2 bottom remained, guarantee the whole health in carriage 1.

The invention also provides a use method of the expandable type motor home carriage top structure, which comprises the following steps:

s1, when a vehicle runs, the speed of wind force to the ventilating fan 45 can be increased under the action of the upper windward plate 6 and the lower windward plate 7, the ventilating fan 45 rotates, the air pressure at the upper end of a through hole of the carriage 1 is reduced, the air exchange between the interior and the exterior of the carriage 1 can be rapidly realized, water drops formed by dust or humid air outside can be adhered to the carriage 1 in the anti-leakage box 43, the sliding cabin 44 on the anti-leakage box 43 is closed, the wiping plates 51 at the two ends of the through hole can slide back and forth, and the dust or the water drops adhered to the carriage 1 are removed into the sliding cabin 44;

s2, when the space in the carriage 1 needs to be expanded, the heat insulation plate 3 is driven to move outwards in the outward moving process of the expansion box 2, and the heat insulation plate 3 can shield the joint of the expansion box 2 and the carriage 1;

s3, when the expansion box 2 moves outwards, a plane supporting table can be formed after the first carrier plate 10, the second carrier plate 9, the third carrier plate 11 and the fourth carrier plate 12 are unfolded, so that articles can be placed, and the use space in the carriage 1 is greatly increased;

s4, the first straight gear 34 on the rotating rod 39 is meshed with the arc-shaped rack 32 in the moving process of the rotating rod 39, the rotating rod 39 rotates while moving horizontally in an arc shape, the rotating rod 39 drives the disc 40 and the cleaning blade 41 to rotate while moving in an arc shape, and household garbage staying at the bottom of the expansion tank 2 can be cleaned out, so that the overall sanitation in the carriage 1 is ensured.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The utility model provides a scalable limo carriage top structure which characterized in that: including carriage (1), the upper end of carriage (1) is provided with heat insulating board (3), is provided with in carriage (1) and expands case (2) that are connected with heat insulating board (3), is provided with in expanding case (2) and opens up the frame structure, open up the frame structure including first folded piece and the second folded piece that can fold the shrink, the lower extreme of first folded piece and second folded piece is provided with the cleaning structure who is connected with the frame structure power, cleaning structure is including disc (40) that reciprocates arc swing limit rotation, and the edge of disc (40) evenly is provided with a plurality of cleaning blade (41), open up the frame structure and still power is connected with the expansion structure that is connected with expansion case (2), the lower extreme of heat insulating board (3) is provided with the ventilation structure that is connected with carriage (1) top, and the ventilation structure is including scavenger fan (45).

2. The expandable caravan compartment roof structure of claim 1, wherein: the display rack structure further comprises a first supporting block (15) and a second supporting block (14), the first supporting block (15) is connected with a first folding piece, the second supporting block (14) is connected with a second folding piece, the first folding piece comprises a first supporting plate (10) and a second supporting plate (9), the second folding piece comprises a third supporting plate (11) and a fourth supporting plate (12), a first supporting cylinder is respectively arranged between the first supporting plate (10) and the second supporting plate (9) and between the third supporting plate (11) and the fourth supporting plate (12), sliding columns (13) are respectively fixedly connected at two ends of the first supporting cylinder, a second supporting cylinder is rotatably connected between the second supporting plate (9) and the third supporting plate (11), a second limiting plate (25) corresponding to the first limiting plate (22) is rotatably connected at the lower end of the second supporting cylinder, a driving motor (15) and a driving rod (16) are fixedly connected with a driving bevel gear (16) which is fixedly connected with a driving rod (16), a driving bevel gear (16) is fixedly connected with a driving rod (16) is fixedly connected with a driving bevel gear (16) at one end of the driving rod (16), be provided with second transfer line (28) corresponding with first transfer line (16) on second supporting shoe (14), the upper end of second transfer line (28) is provided with driven pulley (23) corresponding with driving pulley (20), be provided with drive belt (21) between driving pulley (20) and driven pulley (23), drive belt (21) respectively with first supporting shoe (15), second supporting shoe (14), second limiting plate (25) inner wall sliding connection, one end of drive belt (21) is provided with fixed clamp splice (24) with first limiting plate (22) inner wall fixed connection, be provided with a pair of carrier pillar (27) and spacing post (26) between first supporting shoe (15) and second supporting shoe (14) respectively, carrier pillar (27) and slide post (13) sliding connection, spacing post (26) respectively with first limiting plate (22) and second limiting plate (25) inner wall sliding connection.

3. The expandable caravan compartment roof structure of claim 2, wherein: the cleaning structure further comprises a second driving bevel gear (29) fixedly connected with the lower end of the first transmission rod (16), a second driven bevel gear (30) is meshed with the second driving bevel gear (29), the lower ends of the first transmission rod (16) and the second transmission rod (28) are respectively connected with a supporting ring (46) in a rotating mode, a base (35) is fixedly connected with the supporting rings (46), a support plate (36) is arranged between the bases (35), a spiral groove (58) is formed in the support plate (36), a spiral rod (31) is fixedly connected with the second driven bevel gear (30) and is in rotating connection with the support plate (36), a spiral cylinder (33) is in threaded connection with the spiral rod (31), a groove rod (37) is fixedly connected with the lower end of the spiral cylinder (33), a limit slider (38) is connected with the inner wall of the groove rod (37) in a sliding mode, the lower end of the limit slider (38) is provided with a rotating rod (39), the lower end of the rotating rod (39) is fixedly connected with a disc (40), the edge of the arc groove (58) is provided with a spiral rod (32) fixedly connected with the support plate (36), and the lower end of the spiral rod (39) is meshed with the arc-shaped gear (32).

4. The expandable caravan compartment roof structure of claim 2, wherein: the expansion structure further comprises straight racks (42) fixedly connected with the two ends of the inner wall of the expansion box (2), the upper ends of the first transmission rod (16) and the second transmission rod (28) are fixedly connected with driving sprockets (53) respectively, the driving sprockets (53) are connected with driven sprockets (55) in a belt mode, the driven sprockets (55) are coaxially and fixedly connected with second straight gears (56) meshed with the straight racks (42), and limiting baffles (57) are arranged outside the expansion box (2).

5. The expandable caravan compartment roof structure of claim 1, wherein: the front end of carriage (1) is provided with the slit subassembly with ventilation structure matched with, slit subassembly is including last windward plate (6) with heat insulating board (3) fixed connection, and the lower extreme of going up windward plate (6) is provided with down windward plate (7) with carriage (1) fixed connection, the both ends of heat insulating board (3) are provided with slide pin (5) respectively, the both ends of carriage (1) are provided with support slide plate (4) with slide pin (5) sliding connection respectively.

6. The expandable caravan compartment roof structure of claim 1, wherein: the dust removal device is characterized in that a through hole is formed in the top of the carriage (1), a supporting ring (46) connected with the ventilation fan (45) in a rotating mode is arranged in the through hole, a leakage-proof box (43) fixedly connected with the carriage (1) is arranged at the lower end of the through hole, a sliding cabin (44) detachably connected with the leakage-proof box (43) is arranged at the lower end of the leakage-proof box, a dust removal structure connected with the ventilation fan (45) is arranged in the leakage-proof box (43), the dust removal structure comprises a third driving bevel gear (47) fixedly connected with the ventilation fan (45), two ends of the third driving bevel gear (47) are respectively meshed with a third driven bevel gear (48), cams (49) are respectively fixedly connected with the third driven bevel gear (48), bolts (50) are connected with the inner grooves of the cams (49) in a sliding mode, sliding rods (52) are fixedly connected with one ends of the sliding rods (52), and a wiping plate (51) connected with the carriage (1) in a sliding mode is arranged at one end of each sliding rod.

7. The method for using the expandable caravan compartment roof structure according to any one of claims 1 to 6, wherein: the method specifically comprises the following steps:

s1, when a vehicle runs, the effect of wind force on a ventilation fan (45) can be increased under the effect of a slit assembly, the ventilation fan (45) rotates, the air pressure at the upper end of a through hole of a carriage (1) can be reduced, air exchange between the interior and the exterior of the carriage (1) can be rapidly realized, and because dust outside can be adhered to the carriage (1) in the anti-leakage box (43), a sliding cabin (44) on the anti-leakage box (43) is closed, and the wiping plates (51) at the two ends can slide back and forth, so that dust adhered to the carriage (1) is removed into the sliding cabin (44);

s2, when the space in the carriage (1) needs to be expanded, the expansion box (2) and the heat insulation plate (3) can be controlled to move outwards simultaneously, and the heat insulation plate (3) can shield the joint of the expansion box (2) and the carriage (1);

s3, when the expansion box (2) moves outwards, the expansion frame structure works, the first folding piece and the second folding piece are unfolded, articles can be placed, and the use space in the carriage (1) is greatly enlarged;

s4, the cleaning structure works in the unfolding process of the first folding piece and the second folding piece, the cleaning blades (41) automatically rotate and move in an arc-shaped and reciprocating mode, and household garbage at the bottom of the expansion box (2) can be cleaned out, so that the cleaning structure is simple and convenient.