DK2979951T3

DK2979951T3 - Sliding door with sealed guide rail

Info

Publication number: DK2979951T3
Application number: DK15177678.8T
Authority: DK
Inventors: Axel Krüger; Ralf Thierschmann
Original assignee: Siemens Ag
Priority date: 2014-07-29
Filing date: 2015-07-21
Publication date: 2018-03-12
Also published as: EP2979951A1; PL2979951T3; DE102014214868B3; ES2664104T3; PT2979951T; EP2979951B1

Description

The present invention relates to a sliding door for vehicles which comprises at least one door leaf with a main closing edge and, opposite thereto, a secondary closing edge.

Sliding doors, in particular pocket sliding doors, are widely used in vehicles, particularly in rail vehicles such as trains, so for example in underground or overground railways. From the very first deployment of sliding doors of this kind, there has been a problem in that said sliding doors can only be sealed with very great difficulty when it comes to an exchange of air between the interior of the vehicle located behind the sliding door and the external surroundings located in front of the sliding door. However, the less tight the seal on a sliding door, the poorer its acoustic and aerodynamic properties. The problems described are particularly relevant in the case of internal guide rails, since the end sides of guide rails of this kind often have leaks in the closed state of the sliding door.

In order to solve this problem, the state of the art already has a number of projections based on inflatable, circumferential seals, for example, but these are frequently very cost-intensive.

The publication KR 2009 0059546 A corresponding to the preamble discloses a sliding door with a sealing element which extends along the secondary closing edge of the door leaf. The door leaf runs in a wall. The sealing element closes the cavity located in the wall in a sealed manner when the sliding door is closed.

The problem addressed by the present invention is therefore that of supplying a simpler alternative solution for optimizing the acoustic or aerodynamic properties of a sliding door compared with the state of the art.

According to the invention, a sliding door is supplied having the technical features of Claim 1, which comprises at least one door leaf by means of which the sliding door can be opened and closed and which has a main closing edge and, opposite thereto, a secondary closing edge. Furthermore, the sliding door comprises a guide rail for guiding the at least one door leaf, which guide rail has at least one end side and two longitudinal sides. According to the invention, the sliding door comprises a sealing element which extends along at least one part of the secondary closing edge of the door leaf, wherein the sealing element extends beyond a first end of the secondary closing edge in the direction of the guide rail and is designed in such a way that, in a closed state of the sliding door, it seals the guide rail in a substantially air-tight manner in the region of its at least one end side, wherein, in the closed state of the sliding door, the sealing element bears on the end side of the guide rail. In this way, the guide rail and the region at the end side of the guide rail are hermetically sealed in a particularly effective and robust manner.

The advantage of a sliding door of this kind lies in the simple seal of the open end on the end side of the guide rail of the sliding door. In this case, the seal is based on a pan lid principle. The sealing element attached to the secondary closing edge which may be configured as a rubber seal, for example, creates a lid in the closed state of the sliding door which closes or hermetically seals the end side of the guide rail and thereby prevents an exchange of air through the open ends of the guide rail. With a sliding door designed in this way, the use of a cost-intensive, inflatable seal can therefore be dispensed with. At the same time, with a sliding door design of this kind, the acoustic or aerodynamic properties of the door are improved.

The sealing element is consequently arranged and configured in such a manner that it seals in an air-tight manner the part of the guide rail guiding the door leaf, so the actual guide. In other words, the sealing element is configured in such a manner that it is in contact with both the secondary closing edge of the door leaf and the guide rail, in such a manner that in the closed state of the sliding door, the region between the door leaf and the guide rail is sealed in an air-tight manner on the secondary closing edge or is completely sealed by the sealing element.

Particularly preferably, in a closed state of the sliding door the sealing element seals the guide rail in the region of its at least one end side in an air-tight manner. In an embodiment of this kind, the aerodynamic and acoustic properties of the sliding door are improved still further. Consequently, noise generation in the region of the end side of the guide rail is prevented or reduced. The sealing element therefore acts as or forms a sealing partition in the region of the end side of the guide rail.

The main closing edge is preferably the edge of the door leaf that faces the sliding door opening in the open state of the sliding door. Consequently, the secondary closing edge is preferably the edge of the door leaf which is turned away from the sliding door opening in the open state of the sliding door.

More preferably, the sealing element seals the end side of the guide rail of the sliding door to prevent an exchange of air between the interior of the vehicle and the external surroundings of the vehicle in an air-tight manner. The end side of the guide rail is preferably an edge or side of the guide rail which is perpendicular to the guide direction of the guide rail.

The guide rail is preferably made in one piece. The guide rail is therefore preferably configured as a coherent part or piece. In an embodiment of this kind, the assembly of the guide rail and therefore of the sliding door is possible in simplified form. The seal on the end side of the guide rail can also be easily achieved in an embodiment of this kind.

More preferably, the guide rail comprises a base piece and at least one end piece. The use of an end piece of this kind as part of the guide rail facilitates an improved and larger surface area bearing of the sealing element on the guide rail. However, this means that the guide rail has a better seal. In addition, an end piece of this kind as part of the guide rail allows tolerance compensation when the sliding door is assembled.

Particularly preferably, the base piece and the end piece are in substantially air-tight contact with one another at their common contact surface. Further preferably, the base piece of the guide rail and the end piece at their common contact surface are in air-tight contact with one another. In an embodiment of this kind, an exchange of air at the common contact surface between the end piece and the base piece of the guide rail is also prevented. In this way, the guide rail is entirely sealed.

In a preferred embodiment, the end side forms a mating bearing surface for the sealing element which extends beyond the first end of the secondary closing edge, against which mating bearing surface the sealing element bears flush in a closed state of the sliding door. In other words, the end side preferably forms a mating bearing surface for the sealing element which extends beyond the first end of the secondary closing edge at which the sealing element closes off the guide rail in an air-tight or substantially air-tight manner. In an embodiment of this kind, the bearing face of the sealing element in the sealing plane is enlarged which, however, increases the degree of stability of the seal of the guide rail. Depending on the embodiment, the end side is preferably located at an end of the base piece or of the end piece pointing in the guide direction, so that the mating bearing surface is preferably supplied by the base piece or the end piece.

The part of the sealing element extending beyond the secondary closing edge is preferably configured in such a way as to seal at least 40%, more preferably at least 50%, more preferably at least 60%, more preferably at least 70%, more preferably at least 80%, more preferably at least 90%, more preferably at least 100%, of the surface of the end side of the guide rail in a closed state of the sliding door. In other words, the part of the sealing element extending beyond the secondary closing edge in a closed state of the sliding door overlaps the surface of the end side of the guide rail by at least 40%, more preferably at least 50%, more preferably at least 60%, more preferably at least 70%, more preferably at least 80%, more preferably at least 90%, more preferably at least 100%.

More preferably, the at least one door leaf has an edge which, in the assembled state of the sliding door, is arranged at least partially within the guide rail or is designed for insertion into the guide rail and which, in the closed state of the sliding door, projects beyond the end side of the guide rail in a direction along the guide rail. In an embodiment of this kind, no additional extensions or further components need be provided on the secondary closing edge. The sealing element may be fastened straight onto the secondary closing edge which seals the end side of the guide rail in the closed state of the sliding door.

In a preferred embodiment, the sealing element is a sealing lip which has a cross section perpendicular to the height of the sliding door that is C-shaped. The legs of the sealing lip which is C-shaped in cross section preferably face the end side of the guide rail. In an embodiment of this kind, the sealing lip is very flexible and the spring-mounted legs of the sealing lip also ensure at different closing positions of the sliding door that there is always a strong seal at the end side of the guide rail. A cross section perpendicularly through the guide rail preferably has a pot-shaped form with a U-shaped inner contour and a U-shaped outer contour. Guide rails configured in this way can easily be integrated into the floor of a motor vehicle, for example, or easily installed within a motor vehicle. A cross section perpendicular to the guide rail through the end piece preferably has a rectangular shape with a recess corresponding to the U-shaped inner contour of the guide rail. In an embodiment of this kind, the end piece forms an extension of the base piece, so that the guide length of the door leaf is increased compared with a one-piece design of the guide rail with a base piece of the same when this is open, which additionally stabilizes the design of the sliding door.

The sealing element is preferably a non-inflatable sealing element.

The end piece preferably allows tolerance compensation during the installation of the sliding door or the guide rail.

In addition, according to the invention a vehicle, in particular a rail vehicle, with a sliding door according to the invention is supplied. A vehicle with a sliding door according to the invention is preferably supplied. With an embodiment of this kind, the advantages mentioned in relation to the sliding door according to the invention are used in a motor vehicle.

In a preferred embodiment of the rail vehicle, the guide rail of the sliding door is embedded in a floor section of the vehicle. In one of the further preferred embodiments of the rail vehicle, the guide rail of the sliding door is embedded in a ceiling portion of the vehicle. In an exemplary embodiment of this kind, the guide rail is protected from access by unauthorized individuals and accommodated in a space-saving manner within the vehicle.

In the closed state, the sliding door preferably closes off an interior of the vehicle in a substantially air-tight manner with respect to the external surroundings of the vehicle. Further preferably, the sliding door closes off in the closed state an interior of the vehicle with respect to the external surroundings of the vehicle in an air-tight manner. With an embodiment of the motor vehicle of this kind, a journey, for example in a rail vehicle, can take place with a lower noise load for passengers of the rail vehicle.

The properties, features and advantages of this invention described above and also the manner in which these are achieved become clearer and easier to understand in the context of the following description of the exemplary embodiments which are explained in greater detail in connection with the drawings. In the drawings :

Figure 1 shows a theoretical side view of the interaction between a guide rail and two door leafs of a sliding door in the state of the art,

Figure 2 shows a theoretical plan view of the interaction between a guide rail and two door leafs of a sliding door in the state of the art,

Figure 3 shows a theoretical side view of the interaction between a guide rail and two door leafs of a first exemplary embodiment of a sliding door according to the invention,

Figure 4 shows a theoretical plan view of the interaction between the guide rail and the two door leafs of the exemplary embodiment of a sliding door according to the invention,

Figure 5 shows a theoretical side view of the interaction between a guide rail and two door leafs of a further exemplary embodiment of a sliding door according to the invention and

Figure 6 shows a theoretical plan view of the interaction between the guide rail and the two door leafs of the other exemplary embodiment of a sliding door according to the invention.

Figure 1 shows a theoretical side view of the interaction between a guide rail 3 and two door leafs 2 of a sliding door 1 in the state of the art. Figure 1 therefore provides a view of a detail of the end side 4 of the guide rail 3 of a sliding door 1 in the state of the art comprising two door leafs 2. The embodiment and also the invention are not, however, limited to double-leaf sliding doors 1. Sliding doors 1 may also be realized which only comprise one door leaf 2 or more than two door leafs 2. The guide rail 3 is configured as a profile rail and has in this example a pot-shaped cross section which, for its part, has a U-shaped inner contour 5 and a U-shaped outer contour 6. Of the guide rail 3, only an end-side portion of the same is depicted in Figure 1. The end side 4 of the guide rail 3, the two longitudinal sides 7 whereof extend into the space, is directly visible and faces the drawing plane or else the representation plane.

Part of the lower edge 8 of one of the two door leafs 2 of the sliding door 1 is depicted in engagement with the guide rail 3. Of the door leaf 2, Figure 1 therefore only shows part of the lower edge 8 facing the drawing plane in Fig. 1, while the depiction of the remaining part of the door leaf 2 and also of the second door leaf 2 has been dispensed with for the sake of transparency.

Figure 2 shows a theoretical plan view of the interaction between a guide rail 3 and two door leafs 2 of a sliding door 1 in the state of the art in a closed state. This plan view shows the guide rail 3 with two end sides 4 and two longitudinal sides 7, in which two door leafs 2 closing the sliding door 1 are embedded. Each of the door leafs 2 has a main closing edge 9 and a secondary closing edge 10. In this example of the state of the art, in the closed state of the sliding door 1 the main closing edges 9, purely by way of example, are in contact with one another via a seal 11. The secondary closing edges 10 of the door leafs 2 are located opposite the main closing edges 9 in each case for each door leaf 2. The main closing edges 9 of the door leafs 2 are each formed by the end edges of the door leafs 2 pointing in the closing direction 14, while the secondary closing edges 10 of the door leafs 2 are formed by the end edges of the door leafs 2 opposite the main closing edges 9 in each case, which each point in a direction contrary to the closing direction 14, so in the opening direction in each case. The closing directions 14 of the door leafs 2 in each case are depicted in Figure 2 by solid arrows.

For an opening of the sliding door 1, the left door leaf 2 moves to the left out of the guide rail 3, while the right door leaf 2 moves out of the guide rail 3 to the right. The door leafs 2 may, for example, run into a wall portion of the vehicle body or the wall of a vehicle, in which the sliding door 1 as described in the state of the art can be installed purely by way of example; however, this will not be depicted in the present case in the interests of greater transparency.

On the end sides 4 of the guide rail 3 of the sliding door 1 in each case, openings are formed in the closed state thereof which, between the end sides 4 of the guide rail 3 and the adjacent floor regions 12 or the surrounding components and structural parts of the sliding door 1, ensure leaks in the sliding door 1. These leaks may lead to an exchange of air at the end sides 4 of the guide rail 3, which is depicted in Figure 2 by double arrows drawn using dotted lines.

Figure 3 shows a theoretical side view of the interaction between a guide rail 3 and two door leafs 2 in an exemplary embodiment of a sliding door 1 according to the invention. Components with the same reference numbers in Figure 3 correspond to those shown in Figure 1 and described above in relation to Figure 1. Consequently, what is described above also relates to the components with the same reference numbers in Figure 3. Figure 3 therefore provides a view of a detail of the end side 4 of the guide rail 3 of an exemplary embodiment according to the invention of a sliding door 1 comprising two door leafs 2. As mentioned, however, the invention is not limited to double-leaf sliding doors 1. Sliding doors 1 may also be realized, however, which only comprise one door leaf 2 or more than two door leafs 2.

Unlike in the example of a state-of-the-art sliding door 1 shown in Figure 1, the exemplary embodiment of a sliding door 1 according to the invention shown in Figure 3 has a sealing element 13 for each door leaf 2 which in this exemplary embodiment, purely by way of example, extends along the entire length of the secondary closing edges 10 of the door leafs 2 in each case. The sealing elements 13 may, for example, be mechanically connected to the secondary closing edges 10, bonded or in some other manner connected thereto. In addition, the sealing elements 13 may, for example, be connected to the door leafs 2 at regions or portions of the door leafs 2 adjacent to the secondary closing edges 10. Furthermore, sliding doors 1 according to the invention may be configured in which the sealing elements 13 are each placed over the end sides 4 of the door leafs 2 or in which the end sides 4 of the door leafs 2 are each covered by a sealing element 13, wherein the sealing element 13 can be fastened in each case to the end sides 4 of adjacent portions of the longitudinal sides 7 of the door leafs 2, for example. In this exemplary embodiment, the sealing elements 13 are fastened purely by way of example by means of screw connections straight onto the secondary closing edges 10. The sealing elements 13 in this exemplary embodiment are not inflatable. The sealing elements 13 may, for example, be configured as closed bodies or closed formed bodies. The sealing bodies 13 may, in addition, for example, be of solid design or configured with cavities permanently closed in an air-tight manner. In this exemplary embodiment, the sealing element 13 is configured as a closed formed body with the same design in the opened and closed state of the sliding door 1, meaning that the state of the sealing element 13 is independent of the opening state of the sliding door 1.

In Figure 3 the sealing element 13 of a secondary closing edge 10 is depicted in perspective in space, wherein the depiction of the fastening to the secondary closing edge 10 was dispensed with. The following description only relates to a sealing element 13 on the secondary closing edges 10 of a door leaf 2. It also similarly applies, however, to the sealing element 13 which is attached to the remaining secondary closing edge 10 of the other door leaf 2. The sealing element 13 extends in the direction of the guide rail 3 beyond a first end 15 of the secondary closing edge 10. The sealing element 13 is configured in such a manner that the portion of the sealing element 13 projecting beyond the first end 15 of the secondary closing edge 10 seals the end side 4 of the guide rail 3 in a closed state of the sliding door 1 in an air-tight manner. Consequently, the portion of the sealing element 13 projecting beyond the first end 15 of the secondary closing edge 10 in the closed state of the sliding door 1 overlaps the end side 4 of the guide rail 3 and closes it off in an air-tight manner. In this exemplary embodiment, the sealing element 13, purely by way of example, hermetically seals 60% of the surface of the end side 4 of the guide rail 3. The end side 4 of the guide rail 3 can be subdivided into a portion of the guide rail 3 belonging to the part 20 guiding the door leaf 2, which forms the actual guide and, in a portion belonging to the side part 21 of the guide rail 3, which directly abuts the guiding part 20 of the guide rail 3. In this exemplary embodiment, the sealing element 13 seals in the closed state of the sliding door 1, in particular, the portion of the end side 4 of the guide rail 3 leading to the part 20 guiding the door leaf 2.

Figure 4 shows a theoretical plan view of the interaction between the guide rail 3 and the two door leafs 2 in the exemplary embodiment of a sliding door 1 according to the invention. In this exemplary embodiment of the sliding door 1 according to the invention, the guide rail 3 comprises a base piece 19 and an end piece 16 for each end side 4 which are arranged on the base piece 19 in each case and which are therefore directly joined to the ends of the base piece 19 of the guide rail 3, in other words, directly following this abut the base piece 19 of the guide rail 3 and on the common contact surface with the base piece 19 are in air-tight contact with the same. The end faces 4 of the guide rail 3, so in this exemplary embodiment the outer surfaces of the end pieces 16 pointing in the guide direction, each form a mating bearing surface 17 in this exemplary embodiment on which the sealing elements 13 extending beyond the first ends of the secondary closing edges 10 in each case lie flush in a closed state of the sliding door 1. In other words, the end pieces 16 each have a mating bearing surface 17 in the sealing plane in the regions of the end sides 4 of the guide rail 3, on which the sealing elements 13 extending beyond the first ends 15 of the secondary closing edges 10 in each case lie in a sealing manner, as soon as the sliding door 1 is located in a closed state.

As part of the guide rail 3, the end pieces 16 each therefore form an extension of the base piece 19 which likewise contributes to the guiding of a door leaf 2 in each case. Hence, for example, the door leaf 2 depicted on the left in Figure 4 likewise passes or travels through the left end piece 16 when the sliding door 1 is open. In this exemplary embodiment, the end pieces 16, purely by way of example, each have a rectangular shape in which a continuous recess is provided which forms the guide support or allows guidance of the door leafs 2 and which copies the U-shaped contour 5 of the guide rail 3. However, guide rails 3 may also be realized with base pieces 19 with different guide profiles plus end pieces 16 which are associated or adapted thereto. The shapes of end pieces 16 of this kind may also deviate from those depicted in Figure 3. The end pieces 16 are shown hatched in Figure 3.

In this exemplary embodiment, the door leafs 2 each have an edge 8 located partially in the guide rail 3 for the purpose of guidance, which edge projects in the assembled and closed state of the sliding door 1 in each case in a direction along the guide rail 3 beyond the end side 4 of the guide rail 3. In each case, therefore, part of the lower edge 8 introduced into the guide rail 3 of a door leaf 2 in each case in the closed state of the sliding door 1 projects beyond the extension of the base piece 19 formed by the end piece 16. Since the first ends 15 of the secondary closing edges 10 of the door leafs 2 are perpendicular to the ends of the edges 8 partially introduced into the guide rail 3, the sealing elements 13 arranged on the secondary closing edges 10 lie in the closed state of the sliding door 1 in a sealing manner on the end sides 4, so on the bearing mating surfaces 17 of the respective end pieces 16, and overlap them. This means that for a complete seal of the end sides 4 of the guide rail 3, only the door leafs 2 of the sliding door 1 have to be closed. Sliding doors 1 with integral guide rails 3 according to the invention may also be configured, however, in which the guide rail 3 therefore comprises only one base piece 19 and no end piece 16. In addition, the base piece 19 of the guide rail 3 in sliding doors 1 configured in this way according to the invention may also be full-faced in design, in other words they may each be rectangular in form, as in the end piece 16, purely by way of example, in which rectangular form a continuous recess is provided allowing guidance of the door leafs 2, which recess may correspond, for example, to the U-shaped inner contour 5 already described.

In this exemplary embodiment the sealing element 13 is, purely by way of example, a sealing lip 18 which has a cross section perpendicular to the height of the sliding door 1 that is C-shaped, so sickle-shaped, in configuration. In this case, the legs of the C-shaped or sickle-shaped sealing lip 18 in the closed state of the sliding door 1 each lie on the end sides 4 of the guide rail 3, so in this exemplary embodiment on the end pieces 16. However, sliding doors 1 according to the invention with differently designed or differently formed sealing lips 18 may be configured. In addition, quite different types of sealing elements 13 can also be used.

In this exemplary embodiment, the seal of the guide rail 3 according to the invention takes place purely by way of example on an underside of the sliding door 1 according to the invention. However, sliding doors 1 according to the invention may also be configured in which a seal of the end sides 4, as described above, is achieved on a guide rail 3 arranged above a sliding door 1 according to the invention. Furthermore, sliding doors 1 according to the invention may also be realized, in which a seal as described above is made on an upper and a lower guide rail 3.

In Figure 5, a theoretical side view of the interaction between a guide rail 3 and two door leafs 2 in a further exemplary embodiment of a sliding door 1 according to the invention is depicted.

The components with the same reference numbers in Figure 5 correspond to those shown in Figure 3 and described above in relation to Figure 3. Consequently, the description given above also applies to the components with the same reference numbers in Figure 5. A view of a detail of the end side 4 of the guide rail 3 of the further exemplary embodiment according to the invention of a sliding door 1 comprising two door leafs 2 is therefore depicted in Figure 5.

Unlike in the case of the example shown in Figure 3 of a state-of-the-art sliding door 1, the guide rail 3 of the exemplary embodiment shown in Figure 5 of a sliding door 1 according to the invention has no end piece 16, but only a full-face base piece 19 which provides a mating bearing surface 17 for the sealing element 13. The guide rail 3 or else the base piece 19 therefore has a rectangular shape in which a continuous recess is provided which allows the guidance of the door leafs 2, which recess in this further exemplary embodiment corresponds purely by way of example to the U-shaped inner contour 5 already described. In the closed state of the sliding door 1, the sealing element 13 therefore lies directly on the end face 4 of the guide rail 3 provided by the base piece 19 and therefore seals it directly. By comparison with the previously described exemplary embodiment, the sealing surface or else the contact surface between the guide rail 3 and the sealing element 13 is therefore increased, without an end piece 16 having to be used.

Figure 6 shows a theoretical plan view of the interaction between the guide rail 3 and the two door leafs 2 in the other exemplary embodiment of a sliding door 1 according to the invention. Components with the same reference numbers in Figure 6 correspond to those shown in Figure 4 and described above in relation to Figure 4. Consequently, the description given above also relates to the components with the same reference numbers in Figure 6. In the plan view shown in Figure 6, the direct bearing of the sealing element 13 on the end side 4 of the guide rail 3 provided by the base piece 19 or else the end-side seal of the guide rail 3 can be identified.

In this further exemplary embodiment, an alternative fastening of the sealing elements 13 to the secondary cutting edges 10 or else to the door leafs 2 of the sliding door 1 is depicted. The sealing elements 13 in this further exemplary embodiment are laid in each case over the secondary closing edges 10 of the door leafs 2 and fastened to the door leafs 2. The secondary closing edges 10 of the door leafs 2 are therefore each covered by a sealing element 13, wherein the sealing elements 13 are each fastened to the secondary closing edges 10 of adjacent regions of the longitudinal sides 7 of the door leafs 2. In this further exemplary embodiment, the sealing elements 13 are mechanically fastened, purely by way of example, to the respective secondary closing edges 10 of the door leafs 2 of adjacent portions of the longitudinal sides 7 of the door leafs 2. However, sliding doors 1 according to the invention may also be configured in which the sealing elements 13 are connected differently to the respective door leafs 2, for example only at the secondary closing edge 10 itself.

Although the invention has been illustrated and described in detail by preferred exemplary embodiments, the invention is not restricted to the disclosed examples and the person skilled in the art may be able to derive other variations from these, if the scope of protection of the invention defined by the following claims is not thereby exceeded.

Claims

A vehicle sliding door (1), comprising - at least one door wing (2), by means of which the sliding door (1) can be opened and closed, and which has a main closing edge (9) and a side closing edge (10) opposite - a guide rail (3) for guiding the at least one door wing (2) having at least one end surface (4) and two long sides (7), the sliding door (1) having a sealing element (13) extending along having at least a portion of the side flap edge (10) of the door wing (2), characterized in that the sealing element (13) extends in the direction of the guide rail (3) beyond a first end (15) of the side closure edge (10) and is formed on such in that in a closed state of the sliding door (1), the guide rail (3) seals substantially airtight in the region of its at least one end surface (4), the sealing element (13) in the closed state of the sliding door (1) lying on top of the guide rail ( 3) end face (4).

Sliding door (1) according to claim 1, wherein the guide rail (3) is formed in one.

Sliding door (1) according to claim 1, wherein the guide rail (3) comprises a base piece (19) and at least one end piece (16).

Sliding door (1) according to claim 3, wherein the base piece (19) and the end piece (16) on their common contact surface are in substantially airtight contact with each other.

Sliding door (1) according to one of the preceding claims, wherein the end surface (4) forms a counter-contact surface (17) for the sealing element (13) extending beyond the first end of the side closing edge (10), on which the counter-contact surface (13) ) is flush in a closed state by the sliding door (1).

Sliding door (1) according to one of the preceding claims, wherein the at least one door wing (2) has an edge (8) which is arranged at least partially within the guide rail (3) in the assembled state of the sliding door (1). designed to be inserted into the guide rail (3) and which in the closed state of the sliding door (1) protrudes beyond the end surface (4) of the guide rail (3) in a direction along the guide rail (3).

Sliding door (1) according to one of the preceding claims, wherein the sealing element (13) is a sealing lip (18) having a vertical cross-section, which is C-shaped in relation to the height of the sliding door (1).

Sliding door (1) according to one of the preceding claims, wherein a cross-section vertically through the guide rail (3) has a pot-shaped shape with a U-shaped inner contour (5) and a U-shaped outer contour (6).

Sliding door (1) according to one of claims 3 or 4 and claim 9, wherein a cross section perpendicular to the guide rail (3) through the end piece (16) has a rectangular shape with a recess corresponding to the U-shaped inner contour (5). ) of the guide rail (6).

A vehicle, in particular a rail vehicle, with a sliding door (1) according to any one of claims 1 to 9.

The vehicle of claim 10, wherein the guide rail (3) of the sliding door (1) is inserted into a bottom section of the vehicle.

Vehicle according to claim 10 or 11, wherein the sliding door (1) in the closed state closes an interior compartment of the vehicle airtight against the external environment of the vehicle.