EP3680436A1 - Barrier-free threshold for doors - Google Patents

Abstract

A barrier-free threshold for a door has a base profile (1) and a first ramp (2) which can be connected to the base profile (1). The base profile (1) has a first leg (13) and a second leg (13 ') and a middle part (10) arranged between these two legs (13, 13'), the two legs (13, 13 ') for Rest on a floor (B) are formed. The base profile (1) can be fastened to the floor (B) by means of at least one of these two legs. The middle part (10) has a flat and horizontally extending surface (100) which faces upwards towards the door leaf (F) and which forms a sealing surface for a door seal (D) attached to the door leaf (F). The first ramp (2) adjoins the surface (100) almost without steps. It extends over the first leg (13) and projects beyond it on a side facing away from the central part (10). The threshold according to the invention is simple in construction and can be installed quickly and easily. It is particularly suitable for renovation buildings.

Description

TECHNICAL AREA

The present invention relates to a barrier-free threshold for doors, in particular for front doors and side entrance doors.

STATE OF THE ART

Door thresholds are usually structures that protrude from the floor, which cover butt joints in the floor and serve as a lower stop for the door leaf. Such door sills form an obstacle for wheel-bound aids, such as wheelchairs, walkers, strollers and the like. They also create pitfalls, especially for small children and people with walking difficulties.

In modern buildings, therefore, barrier-free thresholds are used that can be rolled over. These thresholds are embedded in a recess in the floor and can be easily rolled over. Some of these thresholds work together with lowerable door seals so that there is sufficient protection against noise and drafts and preferably also against driving rain.

In other embodiments, the thresholds still rise above the floor, but usually a maximum of 15 to 20 mm. These embodiments also have a run-on slope or they are designed as semicircular sleepers.

PRESENTATION OF THE INVENTION

It is an object of the invention to provide a barrier-free threshold for doors, which is particularly suitable for renovation buildings.

This object is achieved by a threshold with the features of claim 1.

The barrier-free threshold for a door according to the invention has a base profile and a first ramp which can be connected to the base profile. The base profile has a first leg and a second leg and a middle part arranged between these two legs, the two legs being designed to rest on a floor. The base profile can be fastened to the floor by means of at least one of these two legs. The middle part has a flat and horizontally extending surface directed upwards towards the door leaf, which surface forms a sealing surface for a door seal attached to the door leaf. The first ramp adjoins the surface almost without steps and it extends over the first leg. It protrudes from this on a side facing away from the middle part. It preferably connects completely without steps.

It is simply constructed and can be quickly assembled. It does not require recesses in the building floor, so that it can be used in particular when renovating buildings. The barrier-free threshold does not require water channels. It not only offers optimal protection against drafts and noise, but despite its low height it also provides optimal protection against driving rain.

Thanks to the basic profile, optimal thermal separation can also be guaranteed. At least the middle part is preferably designed to be thermally insulating. The entire base profile is even more preferably thermally insulating.

The threshold preferably has a second ramp which adjoins the surface almost without steps.

In one embodiment, it can be connected to the base profile, it extends over the second leg and projects beyond it on a side facing away from the central part. It is preferably attached in the same way and / or configured in the same way as the first ramp.

In another embodiment, the base profile and the second ramp are formed together in one piece.

Apart from the fastening screws and any corner connectors, the threshold preferably has no further components, so that it can be produced inexpensively and assembled in a simple manner.

The second ramp is preferably of the same design as the first ramp. This also reduces manufacturing costs and simplifies assembly.

The base profile is preferably made of plastic. This makes thermal insulation and thermal separation easier to achieve. The first ramp and / or, if present, the second ramp preferably consists of metal, in particular aluminum. The threshold is therefore robust.

The base profile and the ramps can each be composed of several parts. However, the base profile and / or the ramps are preferably each formed in one piece. In a preferred embodiment, the base profile and the two ramps form three separate components.

In another embodiment, the base profile and one of the ramps are jointly formed in one piece, so that the set of these components consists of two components. Depending on the design of the components, the leg of the base profile is formed in the area of the middle part, in the area of the second ramp or in an intermediate area.

In the case of a common one-piece design of the base profile and the second ramp, the common component is preferably made of plastic. The base profile and the second ramp can be made of the same plastic or they can be made of different plastics. Furthermore, the ramp can still be made of metal and the base profile made of plastic is molded onto it.

The two-part variant of the threshold according to the invention with the ramps on both sides can be made very narrow.

To facilitate assembly, the first ramp and / or, if a separate component available, the second ramp can also be connected to the base profile by plug-in and / or clamp connections. This eliminates the need for assembly tools.

The threshold can also be easily installed if the base profile can be attached to the floor using screws. Preferably, the first ramp and / or, if present as a separate component, the second ramp cover the screws, so that they are not accessible to everyone in the assembled state of the threshold. In addition, the screws are no longer visible.

The threshold is particularly suitable for use in renovations when the first ramp and / or, if present, the second ramp have at least one articulated groove in order to arrange at least one area of the ramp at an angle to the remaining area of the ramp. This allows the threshold to be adjusted to different floor levels in the interior and exterior of the door. If the ramp are separate components, then at least a part of the area projecting beyond the first or second leg is preferably arranged at an angle to the remaining area of the ramp.

Preferably, the first and / or, if available as a separate component, the second ramp has a stop surface with which they abut an end face of the first or second leg in the assembled state. This ensures that the ramps are not moved.

So that the threshold can be walked on safely, the first and / or, if present, the second ramp preferably has an upward, non-slip surface.

As an alternative or in addition to screw connections, the base profile can also be glued to the floor. In addition, it is advantageous to install seals between the floor and the threshold, especially against moisture. The threshold therefore preferably has adhesive and / or sealing grooves in the base profile.

A system according to the invention has the threshold according to the invention and a door seal, the door seal having a mechanically raised and lowerable sealing strip which, when the door leaf is closed, seals on the upward to the Door leaf facing plan and horizontal surface of the base profile rests. This optimizes protection from the outside world, for example from drafts, noise and driving rain.

Further embodiments are specified in the dependent claims.

BRIEF DESCRIPTION OF THE DRAWINGS

Figur 1

eine perspektivische Darstellung einer Tür mit Türflügel und einer erfindungsgemässen Bodenschwelle in einer ersten Ausführungsform;

Figur 2

eine Seitenansicht der erfindungsgemässen Bodenschwelle gemäss Figur 1 sowie einer Türdichtung im angehobenen Zustand;

Figur 3

eine Seitenansicht der Bodenschwelle und der Türdichtung im abgesenkten Zustand gemäss Figur 2;

Figur 4

einen Querschnitt durch die Bodenschwelle gemäss Figur 1 mit Befestigungsschrauben;

Figur 5

einen Querschnitt durch die Bodenschwelle gemäss Figur 1 in einem ersten Zustand;

Figur 6

einen Querschnitt durch die Bodenschwelle gemäss Figur 1 in einem zweiten Zustand;

Figur 7

eine Ansicht eines Teils der Bodenschwelle gemäss Figur 1 vor der Montage einer Rampe;

Figur 8

eine Ansicht des Teils der Bodenschwelle gemäss Figur 7 während der Montage der Rampe;

Figur 9

eine Ansicht des Teils der Bodenschwelle gemäss Figur 7 nach der Montage der Rampe.

Figur 10

eine perspektivische Darstellung der Bodenschwelle gemäss Figur 1 mit teilweise dargestellten seitlichen Rampen;

Figur 11

eine Ansicht der Bodenschwelle gemäss Figur 1 von oben mit teilweise dargestellten seitlichen Rampen und

Figur 12

eine Ansicht einer erfindungsgemässen Bodenschwelle in einer zweiten Ausführungsform.

Preferred embodiments of the invention are described below with reference to the drawings, which serve only for explanation and are not to be interpreted restrictively. The drawings show:

Figure 1

a perspective view of a door with door leaf and a threshold according to the invention in a first embodiment;

Figure 2

a side view of the threshold according to the invention Figure 1 and a door seal when raised;

Figure 3

a side view of the threshold and the door seal in the lowered state according Figure 2 ;

Figure 4

a cross section through the threshold Figure 1 with fastening screws;

Figure 5

a cross section through the threshold Figure 1 in a first state;

Figure 6

a cross section through the threshold Figure 1 in a second state;

Figure 7

a view of part of the threshold according to Figure 1 before installing a ramp;

Figure 8

a view of the part of the threshold according to Figure 7 during the assembly of the ramp;

Figure 9

a view of the part of the threshold according to Figure 7 after assembling the ramp.

Figure 10

a perspective view of the threshold according to Figure 1 with side ramps shown partially;

Figure 11

a view of the threshold according to Figure 1 from above with partially shown side ramps and

Figure 12

a view of an inventive threshold in a second embodiment.

DESCRIPTION OF PREFERRED EMBODIMENTS

In Figure 1 is a typical entrance door, such as a front door or a side entrance door, shown schematically. An interior area of a building is provided with the reference symbol I in this figure, an exterior area with the reference symbol A. The door has a door frame R and a movable door leaf F. A threshold S according to the invention is arranged in the lower part of the door frame R. It usually covers a joint between a floor of the inner region I and a floor of the outer region A. In the door leaf F there is a door seal D which acts downwards. In this example, this is a mechanically lowerable door seal, which is automatically actuated when the door leaf is closed and sinks to the threshold S. Usually there is an actuation button on the door leaf on at least one end face, which is pressed in when the door is closed on the door frame and thereby actuates a spring-loaded lowering mechanism. When the door is opened, the operating button is released again and a lowered sealing strip of the lowering seal is raised again. Instead of a lowering seal, grinding and Use brush seals.

The threshold S together with the door seal D should protect against drafts and noise. It should preferably also withstand driving rain. Furthermore, the threshold S is intended to form a thermal separation of the outer area A from the inner area I, that is, to avoid a cold bridge.

In the Figures 2 and 3 the interaction of the lowering seal D with the threshold S is shown. The lowering seal D shown here is known. It has proven itself particularly for protection against driving rain. It has a housing rail 4 with a sealing strip 5, 6 which can be raised and lowered therein. The sealing strip has a carrier rail 5 and a sealing profile 6 fastened thereon. The housing rail 4 and the carrier rail 5 are preferably made of aluminum and the sealing profile 6 made of silicone or another material suitable for sealing. The lowering seal also has at least one actuating means and a lowering mechanism. These are well known and are therefore not shown here. The lowering seal can be attached to or in the door leaf F in different ways. In this example, frontal mounting brackets 7 are provided for this. In Figure 2 the seal is shown in the raised state, in Figure 3 in the lowered state.

As also in the Figures 2 and 3 is clearly recognizable, the threshold S has a base profile 1 and a first ramp 2 and a second ramp 2 '. The two ramps 2, 2 'are preferably made of a metal, for example aluminum. The base profile 1 is preferably made of a thermally insulating material. It preferably consists of a plastic.

The base profile 1 and the two ramps 2, 2 'are each preferably formed in one piece. The second ramp 2 'is preferably of the same design as the first ramp 2. The base profile 1 is preferably of mirror-symmetrical design along its longitudinal central axis. The base profile 1 and the two ramps 2, 2 'preferably have a cross section which is substantially or completely constant over their length. As a result, they can be produced cheaply by the meter and to the desired length shorten.

The base profile 1 is designed to rest and attach to the floor. It lies on the floor both inside and outside the building. In the area of the building joint, the base profile 1 preferably has a spacing, here in the form of a central groove 11. In other embodiments, there is no spacing.

The base profile 1 has an upwardly directed, flat and horizontally extending surface 100 which forms a sealing surface and which, together with the lowered sealing strip, takes over the protective functions mentioned above (draft, sound, water). In Figure 2 the door is open and the sealing strip 5, 6 is thus raised. In Figure 3 the door is closed and the sealing strip 5, 6 lowered.

The following description is based on the Figures 4 and 5 . The base profile 1 has a central part 10 and one leg 13, 13 'adjoining each longitudinal side of the central part 10. The middle part 10 forms the sealing surface 100 mentioned above. This is raised above the two legs 13, 13 '. The central groove 11, which is open at the bottom, is formed on the underside of this surface. It preferably has a rectangular cross section. On both sides of the central groove 11 there is preferably at least one sealing groove 12, 12 'which is open at the bottom. In this example, they have a semicircular cross section. Silicone or another sealing compound can be introduced into these sealing grooves 12, 12 '. The mass introduced can additionally or alternatively have an adhesive effect and thus also connect the base profile 1 to the floor. In this example, the sealing grooves 12, 12 'are formed in the middle part 10. Alternatively or additionally, they can also be formed in the legs 13, 13 '. In the figures, reference numerals 18, 18 'denote a further sealing and / or adhesive groove.

The two legs 13, 13 'form downward-facing surfaces which are designed as bearing surfaces 19, 19' for bearing on the floor. In the area of its respective free end, ie facing away from the middle part 10, an adhesive groove 16, 16 'which is open at the bottom is arranged in each leg 13, 13' in order to open these areas stick to the floor. If a silicone compound or another suitable adhesive sealing compound is used, sealing is also carried out at the same time.

The free ends of the legs 13, 13 'preferably each form a vertical stop surface.

In the central region of each leg 13, 13 ', depending on the embodiment, a through hole 15, 15' is formed which extends in the longitudinal direction of the threshold S. This through hole 15, 15 'is used in this embodiment for screw connection or for a different type of connection for corner connections to the door frame R. However, it is also possible, for example, to fasten the threshold in a different way in the area of the door frame.

As in Figure 4 The base profile 1 can be easily recognized on the floor by means of screws 3 or other suitable fastening means. The screws 3 pass through the legs 13, 13 'in a recessed area 14, 14', so that they preferably do not project above the legs 13, 13 '. The through holes for these screws 3 can already be formed in the legs 13, 13 '. As in Figure 5 is recognizable, a small notch or some other kind of marking is sufficient to attach the screw connections to the correct position during assembly.

The ramps 2, 2 'form a stepless widening of the sealing surface 100. They are flush with this surface and preferably first run in the horizontal direction before they each run towards the floor in an inclined surface. They extend above the legs 13, 13 '. They protrude the legs 13, 13 'at their free end facing away from the middle part 10 until they run out almost flat or almost completely flat on the floor. They have a correspondingly flat support surface 27, 27 'in the area which projects beyond the legs 13, 13'. This area is called lower ramp section 21 here.

The height of the threshold is preferably 5 mm to 8.5 mm, preferably a maximum of 6.5 mm. The width of the threshold is preferably 50 mm to 200 mm, preferably a maximum of 140 mm.

The surface of the inclined area of each ramp 2, 2 ', here called upper ramp section 20, is preferably designed to be non-slip. This can be achieved, for example, by choosing the appropriate surface material, for example by means of a coating. This inclined area is preferably provided with an anti-slip device 220 in the form of longitudinal ribs which protrude upward from a tread surface 22. The tread surface 22 preferably extends over the upper and lower ramp sections 20, 21.

In the area of the lower ramp section 21 there is an articulated groove 25, 25 'which is open at the bottom. It preferably has an essentially triangular cross section. As by looking at the Figures 5 and 6 can be seen, the inclination of the lower ramp section 21 can be adjusted by means of this kink groove 25, 25 '. The threshold S thus compensates for differences in height between the floors on the two sides of the door, for example the floors on the inside and the outside of the building.

The two ramps 2, 2 'can be attached to the base profile 1 in a simple manner. The attachment is preferably carried out without tools. The ramps 2, 2 'can preferably be clicked into the floor profile 1. This is preferably done after the base profile 1 has been attached to the floor.

The base profile 1 has a horizontally oriented groove 101, 101 'between the central part 10 and each leg 2, 2', which preferably extends over the entire length of the threshold S. Each ramp 2, 2 'has a laterally projecting latching lug 24 at the free end of the upper ramp part 20. The upper ramp part 20 also has on its underside a downwardly projecting lower latching lug 23, 23 ', which is preferably provided with a barb. The counterpart to this is found in each leg 13, 13 'in the form of an open, undercut locking groove. The lower ramp part 21 is subdivided from the upper ramp part 20 by a foot 26, 26 ′ projecting downwards. This foot 26, 26 'forms a vertical stop surface and is then followed by the above-mentioned kink groove 25, 25'.

As in the Figures 7 to 9 is clearly recognizable, the base profile 1 is first attached to the floor when installing the threshold, then the lateral latching lug 24 of the first ramp 2 is pushed into the corresponding groove 101. The first ramp 2 is pivoted downwards and the lower latching lug 23 is pressed into the latching groove 17. As a result, the foot 26 slides down along the free end of the leg 13 and lies against the end face thereof. The foot 26 thus forms a stop surface. The first ramp 2 is thereby secured. It can no longer be raised and can no longer be pushed away from base profile 1 and the door. It also covers, as in Figure 4 It can be seen the fastening screws 3 of the first leg 13 of the base profile 1.

The second ramp 2 'is attached in the same way. It does not matter whether the first or the second ramp 2, 2 'is installed first.

In the Figures 10 and 11 the threshold S is shown with shortened ramps 2, 2 'in order to make the individual grooves and areas of the base profile 1 clearly recognizable in these representations. In reality, the ramps 2, 2 'are preferably of the same length or approximately the same length as the base profile 1 and thus cover this completely except for the sealing surface 100, preferably over the entire length of the threshold. The length is according to the illustration Figure 11 the vertical sheet direction.

In Figure 12 a second embodiment of the threshold according to the invention is shown. This threshold has the advantage that it can be made narrower than in the first embodiment. In addition, it has fewer individual parts.

In this embodiment, the second ramp is formed in one piece with the base profile 1. The corresponding component is designated here with the common reference number 1. The second ramp is represented by the areas designated by reference numerals 120 and 121.

The elements designed as a common component, base profile 1 and second ramp 120, 121, are preferably made of plastic. In this example they are made from the same plastic. However, you can choose from different Are made of plastics or the second ramp 120, 121 consists of a metal and the base profile 1 made of plastic is molded onto it. Other variants are also possible.

The base profile 1 in turn has a central part 10, which forms an upwardly directed, horizontally running support surface 100 for the sealing support of a door seal, in particular a lowering seal.

The first ramp 2 is in turn arranged on a first side. This is of the same design and fastened in the same way as in the first embodiment. The base profile 1 is also configured on this side in the same way as in the first exemplary embodiment. The same reference numerals designate the same elements as in the first embodiment. The base profile 1 is in turn fastened on this side by means of the screw 3, which is covered by the first ramp 2 and is therefore not visible in the assembled state of the threshold.

The second ramp, which like the first ramp 2 has an upper ramp section 120 and a lower ramp section 121, runs on the other side of the threshold. However, as already mentioned, this second space 120, 121 is formed in one piece with the base profile 1. The sealing surface 100 and the second tread surface of the second ramp are thus formed together. This area is therefore narrower.

The second ramp in turn has an anti-slip device 1220, preferably in the form of knobs or protruding ribs. Furthermore, there is preferably also a second kink groove 125, with which the lower ramp section 121 can be angled with respect to the upper ramp section 120 and the central part 10.

This side of the threshold is preferably not fastened by means of a screw, but is preferably glued on. For this purpose, there is at least one corresponding adhesive groove in base profile 1. In the example shown, two adhesive grooves 16 ', 18' are shown for this. The adhesive grooves 16 ', 18' can alternatively or additionally also be used as sealing grooves. Depending on the embodiment, it is also possible not to fasten the threshold on this side of the floor.

The first ramp 2 is preferably located on the inside of the building and the second ramp 120, 121 on the outside. Another arrangement is also possible.

The threshold according to the invention preferably consists of no further parts. It is therefore relatively simple and can be assembled quickly and easily. It is particularly suitable for renovation buildings because it does not require any recesses in the building floor and, in preferred embodiments, can also compensate for varying floor levels. REFERENCE SIGN LIST 1 Base profile 23 first lower latch 10th Middle section 24th first side latch 100 Sealing surface / surface 25th first kink groove 101 Groove 26 first foot 11 Central groove 27 first contact surface 12th first sealing groove 12 ' second sealing groove 2 ' second ramp 13 first leg 20 ' upper leg section 13 ' second leg 21 ' lower leg section 14 first deepening 22 ' second step 14 ' second deepening 220 ' second anti-slip device 15 first connection hole 23 ' second lower latch 15 ' second connection hole 24 ' second side latch 16 first glue groove 25 ' second kink groove 16 ' second adhesive groove 26 ' second foot 17th first snap-in groove 27 ' second contact surface 17 ' second snap-in groove 18th further sealing groove 3rd screw 18 ' further sealing groove 4th Housing rail 19th Contact surface 5 Carrier rail 120 upper ramp section 6 Sealing profile 1220 second anti-slip device 7 mounting brackets 121 lower ramp section 125 Kink groove A Outdoor area B ground 2nd first ramp D Door seal 20 upper ramp section F Door leaf 21 lower ramp section I. Indoor area 22 first step R Door frame 220 first slip protection S speed bump

Claims (16)

Barrier-free threshold for a door, the threshold having a base profile (1) and a first ramp (2) which can be connected to the base profile (1), the base profile (1) having a first leg (13) and a second leg (13 ', 120, 121) and a middle part (10) arranged between these two legs (13, 13 ', 120, 121), the two legs (13, 13', 120, 121) being designed to rest on a floor (B) are, wherein the base profile (1) by means of at least one of these two legs (13, 13 ', 120, 121) can be fastened on the floor (B) and wherein the central part (10) is a flat and directed upwards to the door leaf (F) has a horizontally extending surface (100), which forms a sealing surface for a door seal (D) attached to the door leaf (F), and wherein the first ramp (2) adjoins the surface (100) almost steplessly and extends over the first leg (13 ) extends and extends beyond this on a side facing away from the central part (10). Barrier-free threshold according to claim 1, wherein it has a second ramp (2 ', 120, 121) which adjoins the surface (100) almost without steps. Barrier-free threshold according to claim 2, wherein the second ramp (2 ') can be connected to the base profile (1), it extends over the second leg (13') and it projects beyond this on a side facing away from the central part (10). Barrier-free threshold according to claim 3, wherein the second ramp (2 ') is of the same design as the first ramp (2). Barrier-free threshold according to claim 2, wherein the base profile (10) and the second ramp (120, 121) are formed together in one piece. Barrier-free threshold according to one of claims 1 to 5, wherein at least the central part (10), preferably the entire base profile (1), is thermally insulating is trained. Barrier-free threshold according to one of claims 1 to 6, wherein the base profile (1) is integrally formed. Barrier-free threshold according to one of claims 1 to 7, wherein the base profile (1) consists of plastic. Barrier-free threshold according to one of claims 1 to 8, wherein the first ramp (2) and / or, if present as a separate component, the second ramp (2 ') can be connected to the base profile (1) by plug-in and / or clamping connections. Barrier-free threshold according to one of claims 1 to 9, wherein the first ramp (2) and / or, if present, the second ramp (2 ') consist of metal. Barrier-free threshold according to one of claims 1 to 10, wherein the base profile (1) can be fastened to the floor by means of screws (3) and wherein the first ramp (2) and / or, if present as a separate component, the second ramp (2 ') cover the screws (3). Barrier-free threshold according to one of claims 1 to 11, wherein the first ramp (2) and / or, if present, the second ramp (2 ') have at least one articulated groove (25, 25') around at least one area of the ramp (2 , 2 ') to be arranged at an angle to the rest of the area of the ramp (2, 2'). Barrier-free threshold according to one of claims 1 to 12, wherein the first ramp (2) and / or, if present as a separate component, the second ramp (2 ') has a stop surface with which it is mounted on an end face of the first or of the second leg (13, 13 '). Barrier-free threshold according to one of claims 1 to 13, wherein the first ramp (2) and / or, if present, the second ramp (2 ') has an upward, non-slip surface (22). Barrier-free threshold according to one of Claims 1 to 14, adhesive and / or sealing grooves (12, 12 ', 16, 16') being present in the base profile (1). System with a barrier-free threshold (S) according to claims 1 to 15 and a door seal (D), the door seal (D) having a mechanically raised and lowerable sealing strip (5, 6) which seals on the closed door leaf (F) the flat and horizontal surface (100) of the base profile (1) faces upwards towards the door leaf (F).

Images