DE102019135081A1 - Vehicle door construction with integrated ramp - Google Patents

Abstract

The invention relates to a door structure (2) for installation in a vehicle (1), preferably a bus, having at least one door leaf (3.1, 3.2) which can be brought into an open position and a closed position, and a ramp (4) which can optionally be brought into a functional position and at least one ready position, the ramp (4) in the functional position being used to facilitate entry and exit for people with reduced mobility. The door construction (2) is characterized in particular by the fact that the ramp (4) is integrated in the at least one door leaf (3.1, 3.2) in the standby position and / or the ramp (4) is oriented essentially vertically in the standby position.

Description

The invention relates to a preferably multi-part vehicle door construction with a ramp, in particular a wheelchair ramp.

The DE 20 319 248 U1 relates to a vehicle with a door construction with a ramp to make it easier for people with impaired mobility to get in and out of the vehicle. The vehicle comprises a floor area, a substructure supporting the floor area and, in at least one door area, a cutout in the floor area for receiving a wheelchair ramp. However, there is a disadvantage here, for. B. in the fact that the wheelchair ramp takes up space in its retracted position that could be used otherwise.

One object of the invention is to create an alternative and / or improved vehicle door construction with a ramp, in particular a vehicle door construction whose ramp takes up as little space as possible in the vehicle floor.

This problem can be solved with the features of the main claim. Advantageous further developments are disclosed in the subclaims or result from the following description of preferred embodiments of the invention.

The invention relates to a door construction, preferably for installation in a vehicle, preferably an omnibus. The door construction can preferably be an outer pivoting door construction, an inner pivoting door construction or a pivoting sliding door construction or a roller door, spiral door or sectional door construction.

The door construction comprises at least one door leaf which can be brought into an open position (in particular for opening a door opening) and a closed position (in particular for closing the door opening). In a preferred embodiment, the door structure can e.g. B. comprise two door leaves that can be optionally brought into an open position and a closed position.

The door construction comprises a ramp (e.g. wheelchair ramp) which can be brought into a first position and at least a second position as desired.

The first position is preferably a functional position.

The at least one second position is preferably at least one standby position.

The ramp is preferably used in the functional position to facilitate entry and exit z. B. for people such. B. mobility-impaired passengers (e.g. wheelchair users) preferably in and out of the vehicle.

In the functional position, the ramp therefore preferably functions as an entry and exit aid and / or as a wheelchair ramp.

The door construction is particularly characterized in that the ramp is expediently integrated into the at least one door leaf in the standby position, preferably in such a way that it can form a (e.g. lower) part of the at least one door leaf in the closed position of the at least one door leaf . Alternatively or in addition, the door construction is particularly characterized in that the ramp is expediently oriented essentially vertically in the standby position, preferably with a deviation from the vertical of z. B. less than 15 °, less than 10 °, less than 5 ° or less than 3 °.

In the standby position, the ramp preferably does not function as a ramp to facilitate entry and exit, but rather preferably as part of the at least one door leaf.

The readiness position of the ramp can preferably essentially comprise the closed position of the at least one door leaf and / or essentially comprise the open position of the at least one door leaf.

In the context of the invention, the standby position can preferably comprise a (suitably first) standby position which essentially corresponds to the closed position of the at least one door leaf, and / or preferably comprise a (suitably second) standby position which essentially corresponds to the open position of the at least one door leaf corresponds.

It is possible that the ramp is not accommodated in the vehicle floor in the standby position, but can preferably form part of the at least one door leaf, and therefore installation space in the vehicle floor can advantageously be released, in particular in the entry area of the door structure.

It is possible that the ramp in the readiness position including the closed position in particular, together with the at least one door leaf in the closed position, has a preferably substantially common and / or substantially watertight closing plane z. B. forms to close a door opening.

It is possible for the ramp and the at least one door leaf to be connected to one another on the front edge side, preferably in a substantially watertight manner, e.g. B. indirectly (for example via a sealing and / or fastening structure) or are directly coupled to one another, preferably when the ramp is in the ready position and the at least one door leaf is in the closed position and / or is in the open position.

Alternatively or in addition, it is possible that the ramp and the at least one door leaf are aligned with their outer surfaces essentially parallel (expediently plane-parallel) and / or essentially flush with one another, in particular when the ramp is in the ready position and the at least one door leaf is in the Is in the closed position and / or in the open position.

The ramp can preferably be moved together (e.g. together and / or as a unit) with the at least one door leaf into the open position and / or the closed position, for example pivoted and / or shifted, in particular if the ramp is used as an entry and exit aid is not needed. For this purpose, in one embodiment, the ramp and the at least one door leaf z. B. be mounted to each other by means of a lock or other suitable fastening and / or pivoted together.

The ramp can consequently be brought into the open position, preferably together with the at least one door leaf, in order in particular to clear the door opening.

The ramp can e.g. B. be designed as a one-piece ramp or z. B. in several parts (expediently in two parts) with a first partial ramp and a second partial ramp.

The first partial ramp and the second partial ramp can, for. B. be arranged side by side essentially in the width direction of the door structure.

The width direction of the door structure can preferably correspond to the longitudinal direction of the vehicle.

It is possible that the first partial ramp and the second partial ramp can be brought into the functional position and preferably the standby position as a unit and thus preferably together.

It is possible that e.g. B. the first partial ramp is assigned its own, preferably electrical drive unit (e.g., first motor) and the second partial ramp is assigned its own, preferably electrical drive unit (e.g., second motor).

In a particularly preferred embodiment, it is possible that the first partial ramp and the second partial ramp either as a unit and thus z. B. can be brought into the functional position and the standby position together or independently of one another, z. B. the first partial ramp remains in the standby position, the second partial ramp is brought into the functional position or vice versa.

The first partial ramp and the second partial ramp can, for. B. be designed to be able to be brought into the functional position and the standby position synchronously and / or asynchronously.

It is possible that the door construction comprises two door leaves.

It is possible that the first partial ramp can be moved (e.g. pivoted and / or displaced) together (e.g. as a unit and / or together) with one door leaf into the open position and / or the closed position, and the second partial ramp together (for example as a unit and / or together) with the other door leaf into the open position and / or the closed position can be moved (for example pivotable and / or displaceable).

It is possible for the ramp to be foldable about a pivot axis into the functional position and / or foldable into the standby position comprising the firing position. The ramp can thus preferably be brought into the functional position and / or the ready position in the manner of a flap.

The pivot axis preferably runs at the lower end of the ramp when the ramp is in the standby position expediently comprising the closed position. As an alternative or in addition, the pivot axis can extend essentially in the width direction of the door construction. The pivot axis can be, for. B. extend adjacent to the vehicle floor, on the vehicle floor and / or in the vehicle floor.

The door structure can e.g. B. comprise a guide device, preferably with a deflection device for guiding and / or deflecting the ramp, expediently in order to be able to bring the ramp into the operational position and preferably the ready position comprising the closed position.

It is possible that along the guide device a first, preferably upper, partial section of the ramp (e.g. at least one component to be guided, e.g. a projection, a ramp edge, a pin, a bolt or other components to be guided), in particular translationally - and can be pushed off, preferably at least in sections, essentially vertically, around the ramp z. B. by means of a deflection device in the functional position and preferably back again in the expediently comprehensive standby position.

It is possible that the first section in the readiness position comprising the closed position is an appropriately upper section and the ramp has a second, expediently lower section in the readiness position comprising the closed position, the first section being slidable downwards in particular translationally from the readiness position comprising the closed position is, whereby the second section is moved outwards into the functional position, and / or the first section can be moved upwards from the functional position, in particular translationally, whereby the second section is moved inward into the standby position encompassing the closed position.

The guide device comprises, for. B. at least one at least partially essentially vertical guide rail, in particular for guiding the first subsection.

The guide device, in particular the at least one guide rail, can also be curved in sections, in particular in order to facilitate or force the movement of the ramp into the functional position and / or the standby position comprising the closed position.

It is possible that the first partial section can be pushed up and down along and in particular in the at least one guide rail in order to bring the ramp into the functional position and the standby position comprising the closed position.

Preferred are e.g. B. provided two spaced apart guide rails in the width direction of the door structure.

It is possible that the at least one door leaf and the ramp are designed to be moved at least temporarily synchronously and / or asynchronously to one another, in particular with regard to the open position and the functional position and / or with regard to the closed position and the standby position.

The ramp can e.g. B. comprise at least one movable ramp extension body to enable an extension of the ramp, wherein preferably the ramp extension body z. B. can be opened and closed or can be extended and retracted telescopically. This allows the ramp z. B. can also be used at stops without a bus cape stone. The ramp extension body can be operated by a motor and / or manually.

It is possible for the at least one door leaf to move to the side (expediently essentially in the width direction of the door structure and / or longitudinal direction of the vehicle) into the open position or upward (expediently essentially in the height direction of the door structure and / or the vehicle) into the open position moves.

It is possible that the at least one door leaf comprises a roller door or a spiral door or a sectional door.

The roller door, spiral door or sectional door can, for. B. move up to the open position and / or move down to the closed position.

The at least one door leaf can, for. B. have a plurality of panels, which can preferably be at least partially transparent or substantially fully transparent.

In particular, the roller door or spiral door or sectional door can preferably comprise a multiplicity of at least partially transparent or essentially fully transparent panels.

The panels can e.g. B. (expediently indirectly or directly) articulated to each other, preferably essentially parallel to the width direction of the door structure, essentially parallel to the longitudinal direction of the vehicle and / or essentially parallel to the pivot axis of the ramp.

It should also be mentioned that the ramp can preferably be brought into the functional position and / or the standby position comprising the open position and / or the closed position by motor, e.g. B. on instruction (z. B. at the push of a button) of a vehicle driver. Likewise, the ramp can be extended by a motor at the instruction of a vehicle driver.

For this purpose, z. B. an operating device can be arranged within reach of a vehicle driver's seat, by means of which the motor or motors for driving the ramp and / or the ramp extension body can be controlled.

Embodiments are also possible in which the ramp is automatically and therefore preferably always brought into the functional position when the at least one door leaf is brought into the open position and / or the ramp is automatically brought into the standby position including the closed position when the at least one door leaf is brought into the closed position.

However, embodiments are also possible in which the ramp is manually in the functional position and / or the open position and / or the ready position comprehensive can be brought to the closed position.

The invention also relates to a vehicle, preferably an omnibus, with a door construction as disclosed herein.

The door structure can e.g. B. preferably include an entrance area adjoining the door structure, wherein one or more vehicle batteries can be housed in the vehicle floor in the entrance area. As a result, one or more vehicle batteries can advantageously be accommodated in the vehicle floor directly behind the door structure.

The depth of the entry area in the width direction of the vehicle can be, for. B. extend less than 2m, 1.5m, 1m or 0.5m into the vehicle.

The length of the entry area in the longitudinal direction of the vehicle is preferably smaller than the width of the door structure in the longitudinal direction of the vehicle.

In the standby position comprising the closed position, the ramp is preferably not accommodated in the vehicle floor, and preferably not arranged lying thereon either.

• 1 zeigt eine schematische Vorderansicht eines Fahrzeugs, mit einer Türkonstruktion mit einer Rampe in Funktionsstellung und Türblättern in Öffnungsstellung gemäß einer Ausführungsform der Erfindung,
• 2 zeigt schematisch die Türkonstruktion gemäß der 1, mit der Rampe in Bereitschaftsstellung und den Türblättern in Schließstellung gemäß einer Ausführungsform der Erfindung,
• 3 zeigt eine schematische Draufsicht auf die Türkonstruktion der 1 und 2, mit der Rampe in Bereitschaftsstellung und den Türblättern in Schließstellung,
• 4 zeigt schematisch die Türkonstruktion der 1 bis 3, mit der Rampe in Funktionsstellung und den Türblättern in Öffnungsstellung,
• 5 zeigt schematisch die Türkonstruktion der 1 bis 4, mit der Rampe in Bereitschaftsstellung und den Türblättern in Öffnungsstellung,
• 6 zeigt eine schematische Draufsicht auf eine Türkonstruktion gemäß einer anderen Ausführungsform der Erfindung, mit Rampe in Bereitschaftsstellung und Türblättern in Schließstellung,
• 7 zeigt schematisch die Türkonstruktion der 6, mit der Rampe in Funktionsstellung und den Türblättern in Öffnungsstellung,
• 8 zeigt schematisch ein Rampen-Bewegungsprinzip gemäß einer Ausführungsform der Erfindung,
• 9 zeigt schematisch ein Rampen-Bewegungsprinzip gemäß einer anderen Ausführungsform der Erfindung,
• 10 zeigt eine schematische Ansicht eines Fahrzeugs mit einer Türkonstruktion gemäß einer Ausführungsform der Erfindung,
• 11 zeigt eine schematische Draufsicht auf eine Türkonstruktion gemäß einer anderen Ausführungsform der Erfindung, und
• 12 zeigt eine schematische Schnittansicht der Türkonstruktion der 11.

The preferred embodiments and features of the invention described above can be combined with one another. Other advantageous developments of the invention are disclosed in the subclaims or result from the following description of preferred embodiments of the invention in conjunction with the accompanying figures.

• 1 shows a schematic front view of a vehicle, with a door structure with a ramp in the functional position and door leaves in the open position according to an embodiment of the invention,
• 2 shows schematically the door construction according to FIG 1 , with the ramp in the ready position and the door leaves in the closed position according to an embodiment of the invention,
• 3rd shows a schematic plan view of the door structure of FIG 1 and 2 , with the ramp in the ready position and the door leaves in the closed position,
• 4th shows schematically the door construction of 1 to 3rd , with the ramp in the functional position and the door leaves in the open position,
• 5 shows schematically the door construction of 1 to 4th , with the ramp in the ready position and the door leaves in the open position,
• 6th shows a schematic top view of a door construction according to another embodiment of the invention, with a ramp in the ready position and door leaves in the closed position,
• 7th shows schematically the door construction of 6th , with the ramp in the functional position and the door leaves in the open position,
• 8th shows schematically a ramp movement principle according to an embodiment of the invention,
• 9 shows schematically a ramp movement principle according to another embodiment of the invention,
• 10 shows a schematic view of a vehicle with a door structure according to an embodiment of the invention,
• 11 shows a schematic plan view of a door structure according to another embodiment of the invention, and
• 12th FIG. 11 shows a schematic sectional view of the door structure of FIG 11 .

The preferred embodiments described with reference to the figures are partially identical, the same reference numerals being used for similar or identical parts and reference being made to the description of the other embodiments for their explanation.

1 Figure 13 shows a front view of a vehicle 1 with a door construction 2 with two door leaves 3.1 , 3.2 in the open position to open a doorway and a ramp 4th in functional position.

2 shows the door construction 2 according to the 1 with the ramp 4th in standby position and the door leaves 3.1 , 3.2 in the closed position to close the door opening.

3rd shows a top view of the door structure 2 of the 1 and 2 , with the door leaves 3.1 , 3.2 in the closed position and the ramp 4th in standby position. The 2 and 3rd show a ready position of the ramp 4th , the ready position being the closed position of the door leaves 3.1 , 3.2 includes so that the ready position of the ramp 4th essentially with the closed position of the two door leaves 3.1 , 3.2 corresponds.

4th shows the door construction 2 with the door leaves 3.1 , 3.2 in Opening position and the ramp 4th in functional position.

5 shows the door construction 2 of the 1 to 4th , but with the door leaves 3.1 , 3.2 in the open position and the ramp 4th in standby position. The 5 shows a ready position of the ramp 4th , the ready position being the open position of the door leaves 3.1 , 3.2 includes so that the ready position of the ramp 4th essentially with the opening position of the door leaves 3.1 , 3.2 corresponds. 5 shows a case in which the ramp 4th is not required as an entry and / or drive-in aid.

The door construction 2 is described below with common reference to the 1 to 5 described.

Reference number X indicates the width direction of the door construction 2 and in particular the longitudinal direction of the vehicle 1 .

Reference oaks Y indicates the width direction of the vehicle 1 .

Reference number Z indicates the height direction of the door construction 2 and in particular the height direction of the vehicle 1 .

Reference number 8th indicates a bus cap stone.

The door construction 2 is in the illustrated embodiment a two-leaf swing door construction with the two door leaves 3.1 , 3.2 . Also an execution z. B. as an inside swing door or swing sliding door is possible.

The door leaves 3.1 , 3.2 can optionally be brought into the open position to open the door opening and into the closed position to close the door opening.

The ramp 4th can optionally be in a functional position and in the exemplary embodiment of the 1 to 5 in particular two readiness positions are brought, namely one the closed position of the door leaves 3.1 , 3.2 comprehensive readiness position and an open position of the door leaves 3.1 , 3.2 comprehensive readiness.

In the functional position of the ramp 4th (see. 1 and 4th ) the ramp is used 4th as an entry and / or drive-in aid for z. B. mobility impaired persons (e.g. wheelchair users) into the vehicle 1 .

A special feature is that the ramp 4th in the door leaves 3.1 , 3.2 is integrated and is preferably oriented substantially vertically. The ramp 4th can in particular part of the door leaves 3.1 , 3.2 form when the door leaves 3.1 , 3.2 are in the closed position and / or when the door leaves 3.1 , 3.2 are in the open position.

When the ramp 4th in the in the 2 and 3rd shown is the closed position comprehensive readiness position is the ramp 4th consequently not integrated into the vehicle floor, as is customary in the prior art, but into the door leaves 3.1 , 3.2 integrated. This forms the ramp 4th part of the door leaves 3.1 , 3.2 and together with the door leaves 3.1 , 3.2 a preferably substantially common closing plane for closing the door opening.

The ramp 4th and the door leaves 3.1 , 3.2 are aligned with their outer surfaces essentially plane-parallel and essentially flush with one another and, moreover, on the front edge side, expediently directly or indirectly z. B. connected to one another via a sealing and / or fastening structure when the door leaves 3.1 , 3.2 are in the closed position and the ramp 4th is in the standby position that includes the closed position (cf. 2 and 3rd ) is, but also when the door leaves 3.1 , 3.2 are in the open position and the ramp 4th is in the standby position that encompasses the open position (cf. 5 ).

The ramp 4th can e.g. B. be formed in two parts and a first partial ramp 4.1 and a second partial ramp 4.2 exhibit.

Will the ramp 4th to facilitate entry and exit for people such as B. mobility-impaired passengers (e.g. wheelchair users) into the vehicle 1 or from the vehicle 1 needed, the ramp can 4th be brought into the functional position, such. Tie 1 and 4th shown.

Will the ramp 4th however not required to facilitate entry and exit, the partial ramp 4.1 together with the door leaf 3.1 be moved into the open position, with the partial ramp 4.2 together with the door leaf 3.2 can be moved into the open position, such. B. in 5 shown. 5 consequently shows the door leaves 3.1 , 3.2 in the open position and the ramp 4th in inactive standby position. In the 5 Shown ready position of the ramp 4th consequently corresponds to the opening position of the door leaves 3.1 , 3.2 .

6th shows a plan view of a door structure 2 according to another embodiment of the invention, with door leaves 3.1 , 3.2 in closed position and ramp 4th in the readiness position comprehensive the closed position, wherein 7th the door construction 2 with the door leaves 3.1 , 3.2 in the open position and the ramp 4th shows in functional position.

A special feature of the 5 and 6th embodiment shown is that the ramp 4th is designed as a one-piece ramp and therefore not in a first partial ramp 4.1 and a second partial ramp 4.2 is divided. The ramp 4th of the 5 and 6th can't handle the door leaves 3.1 , 3.2 be moved into the open position so that the ramp 4th of the 5 and 6th cannot assume a standby position corresponding to the open position.

The ramp 4th of the 1 to 5 and also the ramp 4th of the 6th and 7th can e.g. B. comprise at least one movable ramp extension body to extend the ramp 4th to enable. The ramp extension body can be telescopically extendable and retractable or can be opened and closed around the ramp 4th z. B. also at stops without a bus cap stone 8th (see e.g. 1 and 2 ) to use.

8th shows a ramp movement principle according to an embodiment of the invention to a ramp 4th to be able to bring into the functional position and a readiness position that encompasses the closed position.

The in 8th The ramp movement principle shown is the ramp 4th around a pivot axis 5 can be folded open like a flap into the functional position and can be folded up like a flap into the standby position comprising the closed position. The pivot axis 5 runs at the bottom of the ramp 4th and preferably substantially in the width direction X the door construction 2 .

9 shows a ramp movement principle according to another embodiment of the invention to a ramp 4th to be able to bring into the functional position and the readiness position comprehensive the closed position.

The in 9 The ramp movement principle shown is a guide device with in particular two guide rails extending essentially vertically at least in sections, along and in particular in which a first partial section of the ramp, which is upper in the standby position 4th (e.g. a component to be guided on the left and a component to be guided on the right, e.g. protrusions, bolts, pins, etc.) can be pushed up and off (expediently slipped) around the ramp 4th (e.g. by means of a deflection device) in the functional position and the ready position.

The ramp 4th can have a second lower section in the standby position. The first sub-section can be displaced (expediently slidable) along and in particular downwardly in the guide rails from the standby position, as a result of which the second sub-section is moved outward into the functional position. The first section can be displaced upwards from the functional position along the guide rails (expediently slidable), as a result of which the second section is moved inward into the standby position.

10 Figure 3 shows a schematic view of a vehicle 1 with a door construction 2 according to one embodiment of the invention.

The door construction 2 includes an entry area 6th .

The depth of the entry area 6th in width direction Y of the vehicle 1 can z. B. less than 2m, 1.5m, 1m or 0.5m into the vehicle 1 extend into it. The length of the boarding area 6th longitudinal X of the vehicle 1 is preferably smaller than the width of the door structure 2 longitudinal X of the vehicle 1 .

In the prior art, the wheelchair ramp is usually accommodated in the entry area in the vehicle floor.

At the in 10 However, the embodiment shown can be in the vehicle floor in the entrance area 6th z. B. one or more vehicle batteries 7th be accommodated because the ramp 4th especially in the ready position in the door leaves, which includes the closed position 3.1 , 3.2 is integrated and / or is oriented substantially vertically.

11 shows a schematic plan view of a door construction 2 according to another embodiment of the invention, wherein 12th shows an associated schematic sectional view.

A special feature of the 11 and 12th The embodiment shown is that the at least one door leaf 3.1 is designed as a roll or spiral door, a sectional door is also possible. The roller, spiral or sectional door can, for. B. a plurality of preferably at least partially transparent panels 9 include. The panels 9 are preferably connected to one another in an articulated manner. The roller door, spiral door or sectional door can move up to open the door opening and move down to close the door opening, as in the 11 and 12th indicated schematically by the double arrow.

The figures have been described with reference to an in particular two-leaf door construction, preferably an outer pivoting door construction. However, door constructions with only one door leaf are also possible.

The invention is not restricted to the preferred embodiments described above. Rather, a large number of variants and modifications are possible which also make use of the inventive concept and therefore fall within the scope of protection. In addition, the invention also claims protection for the subject matter and the features of the subclaims regardless of the features and claims referred to.

List of reference symbols

1

Vehicle, in particular a bus

2

Door construction

3.1

Door leaf

3.2

Door leaf

4th

ramp

4.1

Partial ramp

4.2

Partial ramp

5

Swivel axis

6th

Entry area

7th

Vehicle batteries

8th

Buskapstein

9

Panels

X

Width direction of the door construction and / or longitudinal direction of the vehicle

Y

Width direction of the vehicle

Z

Height direction of the door structure and / or height direction of the vehicle

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 20319248 U1 [0002]

Claims (22)

Door construction (2) for installation in a vehicle (1), preferably a bus, having at least one door leaf (3.1, 3.2), which can be brought into an open position and a closed position, and a ramp (4), which can optionally be brought into a functional position and at least one standby position can be brought, wherein the ramp (4) in the functional position serves to facilitate entry and exit for people with reduced mobility, characterized in that the ramp (4) in the standby position into the at least one door leaf (3.1, 3.2) is integrated and / or the ramp (4) is oriented essentially vertically in the standby position. Door construction (2) Claim 1 , characterized in that the standby position comprises the closed position of the at least one door leaf (3.1, 3.2) and / or comprises the open position of the at least one door leaf (3.1, 3.2). Door construction (2) Claim 1 or 2 , characterized in that the ramp (4) in the ready position together with the at least one door leaf (3.1, 3.2) in the closed position forms a closing plane. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) and the at least one door leaf (3.1, 3.2) are connected to one another on the front edge side when the ramp (4) is in the ready position and the at least one door leaf ( 3.1, 3.2) is in the closed position and / or is in the open position. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) and the at least one door leaf (3.1, 3.2) are aligned with their outer surfaces essentially parallel and flush with one another when the ramp (4) is in the ready position and that at least one door leaf (3.1, 3.2) is in the closed position and / or is in the open position. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) can be moved into the open position and / or the closed position together with the at least one door leaf (3.1, 3.2). Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) has a first partial ramp (4.1) and a second partial ramp (4.2) and preferably the first partial ramp (4.1) and the second partial ramp (4.2) in the width direction (X) of the door structure (2) are arranged side by side. Door construction (2) Claim 7 , characterized in that the door structure (2) comprises two door leaves (3.1, 3.2) and the first partial ramp (4.1) can be moved together with the one door leaf (3.1) into the open position and / or the closed position and the second partial ramp (4.2) can be moved together with the other door leaf (3.2) into the open position and / or the closed position. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) can be folded open about a pivot axis (5) into the functional position and can preferably be folded into the standby position comprising the closed position. Door construction (2) Claim 9 , characterized in that the pivot axis (5) extends essentially in the width direction (X) of the door structure (2) and / or runs in the standby position including the closed position at the lower end of the ramp (4). Door construction (2) according to one of the preceding claims, characterized in that the door construction (2) comprises a guide device along which a first section of the ramp (4) can be pushed up and down, preferably at least in sections essentially vertically to bring the ramp (4) into the functional position and into the readiness position that encompasses the closed position. Door construction (2) Claim 11 , characterized in that the first section is an upper section in the readiness position comprising the closed position and the ramp (4) has a second lower section in the readiness position comprising the closed position, the first section being slidable downwards from the readiness position comprising the closed position , whereby the second section is moved outwards into the functional position, and the first section can be pushed upwards out of the functional position, whereby the second section is moved inwards into the standby position comprising the closed position. Door construction (2) Claim 11 or 12th , characterized in that the guide device has at least one guide rail extending substantially vertically at least in sections, in particular for guiding the first subsection. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) comprises at least one movable ramp extension body around a To enable extension of the ramp (4) and preferably the at least one ramp extension body can be extended and retracted telescopically or can be opened and closed. Door construction (2) according to one of the preceding claims, characterized in that the ramp (4) can be brought into the functional position and the ready position by motor at the instruction of a vehicle driver. Door construction (2) according to one of the preceding claims, characterized in that the at least one door leaf (3.1) moves sideways into the open position or moves upwards into the open position. Door construction (2) according to one of the preceding claims, characterized in that the at least one door leaf (3.1) comprises a roller door, spiral door or sectional door. Door construction (2) according to one of the preceding claims, characterized in that the at least one door leaf (3.1), preferably the roller door, spiral door or sectional door, has a plurality of panels (9). Door construction (2) Claim 18 , characterized in that the panels (9) are at least partially transparent and / or are connected to one another in an articulated manner. Door construction (2) according to one of the Claims 1 to 16 , characterized in that the door structure (2) is designed as an outer pivoting door, inner pivoting door or pivoting-sliding door construction. Vehicle (1), preferably a bus, with a door structure (2) according to one of the preceding claims. Vehicle (1) after Claim 21 , characterized in that the ramp (4) in the ready position including the closed position is not accommodated in the vehicle floor and / or the door structure (2) includes an entry area (6) and one or more vehicle batteries (7) in the vehicle floor in the entry area ( 6) are housed.

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