CN202313987U

CN202313987U - Vehicle with lifting platform

Info

Publication number: CN202313987U
Application number: CN2011204470027U
Authority: CN
Inventors: 胡达广
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-12
Filing date: 2011-11-12
Publication date: 2012-07-11
Anticipated expiration: 2021-11-12

Abstract

The utility model provides a vehicle with a lifting platform and belongs to one type of traffic tools of disabled persons. The utility model mainly aims to lift an electric wheelchair and open and reset a movable frame under the condition that only one power driving device is used and simultaneously enables the whole vehicle not to tilt under the condition that the movable frame is not provided with a universal wheel. The technical scheme adopts simple and effective measures. The frame is composed of a fixed frame and the movable frame, wherein the movable frame is hinged with the fixed frame; the lifting platform is mounted on the movable frame and a power driving device is arranged between the fixed frame and the movable frame or between the fixed frame and the lifting platform; and a movable guide rail is hinged with the fixed frame. Through the measures, the structure of the vehicle is greatly simplified, the production cost and the use cost are reduced, and the use of the vehicle is convenient, comfortable and safe.

Description

The car of band hoistable platform

Technical field

This programme is a field of people with disability's vehicles.

Background technology

My application number is the car that 2010100025528 application for a patent for invention discloses a kind of portability one electric wheelchair; This technical scheme has mainly been used a special vehicle frame; This vehicle frame is divided into fixedly vehicle frame and folding vehicle frame, and the folding vehicle frame can be opened, and has a wheelchair to import and export after opening; On the vehicle frame of folding simultaneously lowering or hoisting gear is housed, such structure has made things convenient for the turnover and the location of electric wheelchair.But find that through use after a while this car also has some significantly not enough.For example ought carry the folding vehicle frame of electric wheelchair in case be easy under the situation about opening make car load produce canting, even turn over side, bring certain risk to user because of the skew of center of gravity not putting down universal wheel.Though on the folding vehicle frame universal wheel is housed, can eliminate the generation of this situation to a certain extent, this has increased structure and operational loaded down with trivial details again.The lowering or hoisting gear of installing on its folding vehicle frame simultaneously can only be used for the up-down of electric wheelchair, to the folding vehicle frame open and reset (closure) do not have help.The folding vehicle frame that is to say it needs that power set manually or in addition are installed just can be opened or reset, and this has brought inconvenience to a certain degree to user again.Can under the prerequisite of only using a Power Drive Unit, accomplish opening and resetting of movable carriage, when movable carriage is opened, can not make car load produce canting simultaneously again, this is this programme problem that will solve just.

Summary of the invention

For the opening and reset of the up-down that under the situation of only using a Power Drive Unit, yet can accomplish hoistable platform and electric wheelchair, movable carriage, can not make car load produce canting when opening under the situation that universal wheel is not installed for movable carriage again simultaneously yet.The present technique scheme has been taked some simple and effective measures.These measures mainly comprise vehicle frame, Power Drive Unit, hoistable platform, movable guiding rail, roller, and vehicle frame is made up of fixedly vehicle frame and movable carriage, and movable carriage is hinged on fixedly on the vehicle frame.Hoistable platform is installed on the movable carriage, and Power Drive Unit is contained in fixedly vehicle frame and movable carriage or fixedly between vehicle frame and the hoistable platform.Movable guiding rail is hinged on fixedly on the vehicle frame, and roller is contained in the rear end of hoistable platform.Here said Power Drive Unit is meant and can drives directly or indirectly that movable carriage is opened and the machine components that reset or the combination of machine components.Because this car does not have specific (special) requirements to Power Drive Unit, so it is very many to accomplish the Power Drive Unit of this task.In these Power Drive Units, from power source come to divide have manual have mobile, from form version divide have main use oil cylinder, main use screw rod pull bar and worm and gear are arranged or the like, each form can be used manual or motor-driven.

Movable guiding rail (it is as shown in Figure 1 to resemble a slope when it puts down) fixedly is housed on the vehicle frame, and movable guiding rail can make the hoistable platform of horizontal movement on it produce elevating movement simultaneously.Power Drive Unit has been contained in fixedly vehicle frame and movable carriage or fixedly between vehicle frame and the hoistable platform; It can directly or indirectly drive hoistable platform and move horizontally, so the up-down of opening or resetting with hoistable platform of movable carriage can drive completion by same Power Drive Unit.Roller is equipped with in the rear end of hoistable platform, and it can slide after hoistable platform lands on the ground, and bears the weight of hoistable platform and wheelchair by ground, no matter can keep original attitude and the not canting of car load when movable carriage is opened in that position.The structure of this car has been simplified in these all measures, has reduced the production and the use cost of this car, also makes the use of this car more convenient more comfortable and safe.

Description of drawings

Fig. 1, movable carriage are opened, and Power Drive Unit is contained in fixedly between the vehicle frame and hoistable platform, and (right front vertical view) on the ground dropped in the hoistable platform rear end.

Fig. 2, movable carriage are opened, and Power Drive Unit is contained in fixedly between the vehicle frame and movable carriage, and (right back vertical view) on the ground dropped in the hoistable platform rear end.

Fig. 3, movable carriage are opened, and Power Drive Unit is contained in fixedly between the vehicle frame and movable carriage, and Power Drive Unit uses worm and gear, and (left front vertical view) on the ground dropped in the hoistable platform rear end.

Among the figure: 1 wheelchair, 2 is vehicle frame, 3 movable carriage, 4 hinges, 5 oil cylinders, 6 table-hinges, 7 movable guiding rails, 8 hinges, 9 rollers, 10 hoistable platforms, 11 worm gears, 12 worm screws, 13 motors fixedly.

The specific embodiment

One, this routine Power Drive Unit mainly is made up of oil cylinder, and it is installed in fixedly as shown in Figure 1 between the vehicle frame 2 and hoistable platform 10.Fixedly vehicle frame 2 and movable carriage 3 are cut with scissors 4 hinged through frame.The front end of hoistable platform 10 is hinged on the movable carriage 3 through table-hinges 6, and roller 9 swung and be equipped with in its rear end can oscilaltion.When movable carriage 3 is opened; When the rear end of hoistable platform 10 dropped on the ground, roller 9 can slide on the ground, and wheelchair 1 can pass in and out easily; And, because of making car load, centre-of gravity shift produces canting when avoiding movable carriage 3 to open through bear the weight of wheelchair 1 and hoistable platform 10 like this by ground.Hoistable platform 10 also can be contained on the movable carriage 3 through lowering or hoisting gear etc. indirectly, at this moment as long as this lowering or hoisting gear cooperates opening of movable carriage 3 can make hoistable platform 10 keep horizontal attitudes to go up and down.One end of cylinder 5 is installed in fixedly on the vehicle frame 2, and an end of connecting rod is installed on the hoistable platform 10.Oil cylinder 5 is connected to valve and oil pump through pipeline, oil pump can be electronic also can be manual.The connecting rod of oil cylinder when protruding, promote movable carriage 3 through hoistable platform 10 and opens under the driving of oil pump, and then movable carriage 3 resets on the contrary.Movable guiding rail 7 is hinged on fixedly on the vehicle frame 2 through hinge 8, and movable guiding rail 7 can rotate around hinge 8, and an end can fall to the ground, and the other end is fixed on the hinge 8.Be equivalent to the diameter of roller 9 approximately from the center of hinge 8 to the length of the end of movable guiding rail 7 (non-to ground end); This section movable guiding rail is used for the roller 9 on the support hoistable platform 10 when movable carriage 3 and hoistable platform 10 reset, and is equivalent to the rear end of support hoistable platform 10.When turning to when resetting by open mode under the indirect driving of movable carriage 3 at oil cylinder 5, be hinged on above it hoistable platform 10 be contained in roller 9 on the hoistable platform 10 and will cut with scissors 4 directions round frame and move towards movable guiding rail 7.Movable guiding rail 7 at this time resembles a slope, and roller 9 will be slided above the movable guiding rail 7 when movable carriage continues return stroke, and along movable guiding rail 7 upwards lifter motions of surface.When the position that roller 9 is crossed hinge 8 place slides into the end end of movable guiding rail 7; Variation has taken place in the weight distribution on the movable guiding rail 7; Gravity pressure on the roller 9 gets movable guiding rail 7 clockwise directions and rotates, and this rotates very soon owing to movable guiding rail 7 (to an end on ground) is beaten on the bottom surface of hoistable platform 10 and stopped.At this moment be equivalent to the bottom surface that movable guiding rail 7 upwards is stowed in hoistable platform 10, the return stroke of movable carriage 3 has arrived terminal point, and the upward stroke of hoistable platform 10 is just in time also reached home.When movable carriage 3 will be opened, said process carried out on the contrary, and the rear end roller 9 of hoistable platform 10 is along with the surface of movable guiding rail 7 falls to the ground at leisure and slides on the ground.Up-down and the movable carriage 3 of so only leaning on a Power Drive Unit to accomplish opening of movable carriage 3 and accomplishing hoistable platform 10 when resetting again opened Shi Buhui and realized because of the variation of center of gravity produces this target of inclination like this.

The Power Drive Unit that can directly substitute the above-mentioned Power Drive Unit that mainly is made up of oil cylinder 5 also has a lot, for example can use the Power Drive Unit of screw rod and pull bar formation.Screw rod can also can be manual by motor-driven, is processed with the female thread that is complementary with screw rod in the pull bar and links together with screw flight.When screw rod rotated, pull bar was also made stretching motion along with the difference of the direction of rotating, and this motion just in time is used to opening of push-and-pull hoistable platform 10 or movable carriage 3 or resets.One pull bar is connected on the hoistable platform 10, and screw rod one (comprising drive motors, gear or crank etc.) is connected fixedly on the vehicle frame 2.As long as screw rod just rotates and can directly or indirectly drive movable carriage 3 through pull bar and open or reset and the up-down of hoistable platform, its principle is same as described above.

Two, this example on the basis of a last example is being retrofitted in Power Drive Unit oil cylinder 5 or screw rod pull bar fixedly between the vehicle frame 2 and movable carriage 3; Oil cylinder 5 or screw rod pull bar can directly drive opening of movable carriage 3 and reset as shown in Figure 2ly, and in addition other is one basic identical with example.

Three, this example is removed oil cylinder 5 or screw rod pull bar on the basis of example two, on movable carriage 3, loads onto worm gear 11, fixedly loading onto motor 13 on the vehicle frame 2, worm screw 12 is installed on the motor shaft.Worm screw 12 is together meshing with worm gear 11, and the center line of worm gear 11 aligns with the center line that frame cuts with scissors 4 hinges, and is as shown in Figure 3.Driving worm gear 11 through worm screw 12 when motor 13 rotates is that rotate at the center with the hinge, just drives movable carriage 3 and opens or reseting movement.Can drive that worm screw 12 rotates except that motor, also can use hand drive, just can realize manually as on the axle of worm screw 12, loading onto crank.Remaining is basic identical with example two except that the type of drive difference of movable carriage in this example.

Four, the worm and wormwheel Power Drive Unit that this example adopted also can be opened and the movable carriage 3 that resets with another kind of form indirectly.Fitting together worm and wormwheel becomes an assembly as worm reduction gear, and is installed in it fixedly on the vehicle frame, on the output shaft of worm gear, loads onto rocking arm, and rocking arm connects connecting rod, and connecting rod connects hoistable platform.The power that the drive worm screw is rotated can be that motor also can be manual crank, and worm screw is rotated and drives the worm gear rotation, and the worm gear rotation has driven the rocking arm swing and promoted hoistable platform 10 and moved together with movable carriage 3, thus the function that realization this programme will be realized.Remaining is basic identical with example one except that the type of drive difference of movable carriage in this example.

Claims

1. car with hoistable platform; Mainly comprise vehicle frame, Power Drive Unit, hoistable platform, movable guiding rail, roller; It is characterized in that vehicle frame is divided into fixedly vehicle frame (2) and movable carriage (3), movable carriage (3) is hinged on fixedly on the vehicle frame (2); Hoistable platform (10) is installed on the movable carriage (3); Power Drive Unit is contained in fixedly vehicle frame (2) and movable carriage (3) or fixedly between vehicle frame (2) and the hoistable platform (10), and movable guiding rail (7) is hinged on fixedly on the vehicle frame (2), and roller (9) is contained in the rear end of hoistable platform.