EP3452680A1

EP3452680A1 - Sealing device

Info

Publication number: EP3452680A1
Application number: EP16720153.2A
Authority: EP
Inventors: Andreas Dintheer
Original assignee: Planet GDZ AG
Current assignee: Assa Abloy Schweiz AG
Priority date: 2016-05-04
Filing date: 2016-05-04
Publication date: 2019-03-13
Anticipated expiration: 2036-05-04
Also published as: AU2016405471C1; US20190128054A1; AU2016405471A1; CN109154178A; EP3452680B1; US11118395B2; AU2016405471B2; JP2019516885A; SG11201809062YA; CN109154178B; KR20190002648A; WO2017190779A1

Abstract

The invention relates to a sealing device of a sliding door having a slidably mounted door leaf, which sealing device has a drop-down seal having a sealing strip (11, 12) and having a lowering mechanism for automatically lowering and raising the sealing strip (11, 12). The lowering occurs against a restoring force. The sealing device also has an activation unit for activating the drop-down seal. The activation unit has a contact surface (21, 22, 29), which is directed upward in the lowering direction, and a contact element (31, 42, 51), which lies against said contact surface (21, 22, 29) during the closing of the door leaf and thereby actuates the drop-down seal, preferably the lowering mechanism. In this way, the weight of the door leaf can be used for the lowering of the sealing strip (11, 12). Furthermore, a position in which the restoring force does not influence a sliding motion of the door leaf in the longitudinal direction of the sealing strip can be achieved.

Description

TITLE SEALING DEVICE

TECHNICAL AREA

The present invention relates to a sealing device for operating a lowering seal, a sliding door with such a sealing device and an activation unit of such a sealing device.

STATE OF THE ART

Lowering gaskets are used to seal doors and windows. They prevent the passage of light and provide sound insulation and protection against drafts and smoke. For exterior doors, they also serve as splash protection in the rain and can also protect against flooding, depending on the embodiment.

Usually lowerable door and window seals consist essentially of a housing in the form of a downwardly open, hat-shaped or U-shaped rail, a raised and lowered in this housing sealing strip with a sealing profile and an actuating mechanism for raising and lowering the sealing strip. In proven Absenkdichtungen the actuating mechanism on leaf springs, which are attached to a first location on the housing, at a second location on the sealing strip and at a third location on a slider. The slider is usually in an operating knob, which projects the housing one or both sides. When closing the door, the operating knob is pressed against the door frame and the sealing strip is lowered automatically against the spring force of the leaf springs and pressed sealingly against the ground. When opening the door, the operating button is released again and the sealing strip is raised automatically. There are other types of actuating mechanisms known, such as lever arrangements. such Door seals are known, for example, from EP 0 338 974, DE 299 16 090 and EP 0 509 961. EP 2 085 559 discloses an automatically lowerable sealing device in which the lowering mechanism is activated by lateral force. EP 2 476 857 discloses a lowering seal for sliding doors. The lowering seal is designed as described above and has an actuating button projecting the sealing housing. In the area of the auxiliary closing edge, the door frame has a stop element with a downwardly inclined inclined surface and a rectilinear receiving pocket. When closing the door leaf runs on the door mounted first role of this inclined surface along and pulls a spring-loaded slide down. A roller arranged on the second roller presses a lever on the actuating button, which thereby activates the actuating mechanism and lowers the sealing strip. Upon further closure of the door, the first roller enters the receiving pocket and the lowering movement is stopped. The door leaf is completely closed in this state. The Absenkdichtung remains thanks to the receiving pocket in the closed position, without further blocking devices would be necessary. Only when you open the door, the role is again led out of the receiving pocket, which allows automatic lifting of the sealing strip. This arrangement has the disadvantage that when closing the door, a relatively large effort by the user is necessary because the carriage must be lowered against the spring force and the resistance of the lever pressing on the operating button. Another disadvantage is that when you open the door, the automatic lifting of the carriage causes the door to open automatically and thus the user does not retain full control at the opening. Another disadvantage is that the carriage is arranged in the running direction of the sliding door behind the lowering seal, so that the sealing strip must be formed shortened and can not completely seal in the vicinity of the auxiliary closing edge. Furthermore, the end position allows little play, so that an accurate guidance of the door leaf and accurate positioning of all elements are mandatory.

Lowering seals with an activatable frontal activation button have proven in practice for hinged door. The power transmission ratio when closing the door leaf is without further mechanisms already at about 1: 30, so that the Actuation button when closing the door leaf can be pressed without noticeable effort. The use of such Absenkdichtungen for sliding doors is more problematic, since the power transmission to the operating knob is only 1: 1 and thus more power must be expended to depress the operation button when closing the door.

PRESENTATION OF THE INVENTION

It is therefore an object of the invention to provide an improved sliding door sealing device.

This object is achieved by a sealing device having the features of patent claim 1.

The sealing device according to the invention of a sliding door with a slidingly mounted door leaf has a lowering seal with a sealing strip and with a lowering mechanism for the automatic lowering and raising of the sealing strip. The lowering takes place against a restoring force. Furthermore, the sealing device has an activation unit for activating the lowering seal, the activation unit having a support surface directed upwards in the lowering direction and a support element which rests on this support surface when the door leaf closes and thereby actuates the lowering seal.

Preferably, the support element actuates the Absenkdichtung when resting on this support surface in which it actuates the lowering mechanism.

The upward contact surface has the advantage that the weight of the door leaf presses partially or completely on the support element. A person closing the sliding door must apply relatively little or no additional force to lower the sealing strip. The sliding door can be closed despite the lowering seal without increased effort.

Preferably, the support element is connected to the lowering mechanism or operatively connected. It can also be itself a part of the lowering mechanism. Preferably, bearing surface and support element are formed so that when closing the door leaf, an upward force is obtained, which is deflected such that it acts on the actuating mechanism.

Preferably, the support surface is a ramp surface and the support element is a run-up element which rests on the run-on surface along this. The ramp surface is preferably a sliding surface and the ramp element is a sliding element. Instead of a sliding element, it is also possible to attach rollers or other suitable means for a relative movement between the support surface and the support element. Instead of a longitudinal movement can be achieved by means of the support surface and a pure increase of the support element to actuate the Absenkdichtung, in particular the lowering mechanism. The inventive arrangement is preferably arranged on the side of the auxiliary closing edge of the sliding door. However, it can also be arranged at the main closing edge.

The activation unit preferably consists, like the lowering mechanism, exclusively of mechanical means and preferably does not comprise any magnets and / or electric motors and / or sensors.

Since the support surface can be arranged in the sliding direction next to the lowering seal and as well as a possibly frontal attachment of the support element in the upper region of the lowering seal is possible, the sealing strip can extend over the entire length of the door leaf and it can thus seal optimally.

Preferably, the activation unit is designed so that it holds the sealing strip in a lowered position, without the restoring force influencing a sliding movement of the door leaf in the longitudinal direction of the sealing strip. As a result, no additional locking mechanisms are necessary to keep the door in its closed position.

Furthermore, the restoring force of the lowering seal obstructs the complete closure the sliding door is not. Many sliding doors have a braking mechanism due to their great weight, which slows down the closing movement of the door leaf shortly before reaching the full closing position. This prevents fingers or other parts of the body from getting caught too tightly. In preferred embodiments of the invention, this braking mechanism should not be influenced by the restoring force of the lowering seal or by the force necessary to lower the seal. It should additionally or alternatively not even more force to close the door must be spent. In these embodiments, therefore, the lowering seal can be fully lowered before reaching the full closing position and hold in this position without further external effort. The sealing strip grinds over the ground during the further closing movement, but only over a short distance.

This "zero force position" can be achieved in various ways: Preferably, a position of the support or the sliding element on the support surface or the sliding surface is present, in which position the sealing strip is completely lowered and in which position on the Preferably, the support surface or the sliding surface extends at least partially in the longitudinal direction of the lowering seal in an oblique direction, preferably extending in the closing direction of the door leaf from bottom to top The pitch can be used to adjust the force that must be used to lower the sealing strip, so that power transmissions can be selected to optimize the force required.

Preferably, the support surface or the sliding surface on a horizontally extending portion on which rests the support or the sliding member to hold the sealing strip in the lowered position. The horizontal section preferably adjoins the inclined section. The door leaf can be completely closed by the support element or sliding element first moves up the inclined surface while lowering the sealing strip and then moves along with lowered sealing strip along the horizontal surface until the door leaf on Door frame is present laterally.

In one embodiment, the support surface or the sliding surface on a recess in which the support or the sliding element rests in order to hold the sealing strip in the lowered position. The recess can be arranged for example in the inclined surface or in the horizontal surface.

Alternatively or additionally, the horizontal surface may also follow a counter-inclined surface, which is the same oblique or has a different slope than the inclined surface. Preferably, the support element in the lowered position of the sealing strip reaches this counter-inclined surface, so that the restoring force acting on the sealing strip makes a contribution to the complete closure of the door leaf.

The support surface and the support element preferably move relative to each other. Preferably, the support surface or the sliding surface is arranged stationary. That is, the support surface is, for example, fixed in position in the door frame or in the wall or on the ground, i. it is stationary. Preferably, the support element is movable together with the Absenkdichtung in the longitudinal direction, in particular displaceable. Preferably, it is fastened together with this in or on the sliding door.

Preferably, the support element is firmly connected to the Absenkdichtung and the support surface is formed in a separate module from the Absenkdichtung.

The upstanding bearing surface allows a variety of mechanisms to transfer the release force to the operating mechanism of the Absenkdichtung. Thus, the same basic principle can be applied to various types of Absenkdichtungen.

In preferred embodiments, the lowering mechanism of the lowering seal comprises an actuating button which activates the lowering mechanism by external force. Preferably, the support element acts medium or directly on this actuating button, thereby lowering the sealing strip. Since many known Absenkdichtungen have such a knob, can be Use according to the invention activation unit with these known Absenkdichtungen without the latter must be changed significantly.

In preferred embodiments, the Absenkdichtung on a housing in which the sealing strip is held raised and lowered. The actuating knob can protrude this housing frontally. In other embodiments, it is aligned with the end face of the housing or it is arranged set back. The recessed arrangement is the most preferred. Preferably, it is displaceable relative to the housing in the longitudinal direction of the sealing strip.

The support element preferably acts on the front side of this actuating button, usually by pressing it medium or directly when closing the door and leaves open when you open the door again. In other embodiments, the operating knob is pulled to lower the sealing strip.

The activation unit according to the invention can also be used with other types of lowering mechanisms, the support element acting directly or indirectly on a suitable point of the lowering seal. In a first preferred embodiment according to the invention, the support element is a first arm of a swivel module, wherein a second arm of the swivel module acts on the lowering seal, preferably the actuation button.

In a second preferred embodiment according to the invention, the support element is a lever arm.

The on-element may also be part of another power transmission mechanism.

The sealing device according to the invention has the advantage that it is relatively insensitive to tolerances, both in the vertical and in the horizontal direction. The assembly of the sealing device is thus relatively simple and time-saving.

The claimed invention also includes a sliding door with slidably mounted Door leaf and a sealing device according to the invention.

The activation unit can also be designed as a retrofit kit for existing Absenkdichtungen. The claimed invention therefore further relates to an activation unit of a sealing device according to the invention, wherein the activation unit has a first module which forms the support surface, and has a second module which has a fastening element for fastening the lowering seal in the door leaf and the support element arranged on the fastening element.

The lowering seal is usually mounted in a groove on an end face of the door leaf, arranged on the front side or attached to the side of the door leaf. The lowering seal is usually located at the lower end of the door leaf and seals it from the ground. However, it is also possible to arrange the Absenkdichtung top or side, so that these edges are sealed.

While the "up-down direction" feature used in this text and claims refers to the description of a bottom-mounted drop seal which seals downwardly, it also encompasses all variations of the placement of the drop seal on other end surfaces of the door leaf Features "down", "up", "lift", "lower", etc. These alternative variants are thus also covered by the claims and are covered by the scope of the claims claimed, further embodiments being indicated in the dependent claims.

BRIEF DESCRIPTION OF THE DRAWINGS Preferred embodiments of the invention will now be described with reference to the drawings, which are given by way of illustration only and not by way of limitation. In the drawings show: Figure 1 is a view of a sealing device according to the invention from the front with raised sealing strip according to a first embodiment;

FIG. 2 shows a longitudinal section through the sealing device according to FIG. 1 with raised sealing strip;

Figure 3 is a perspective view of the sealing device according to Figure 2;

FIG. 4 shows the longitudinal section through the sealing device according to FIG. 2 with a view from the opposite side;

Figure 5 is a perspective view of the sealing device according to Figure 4;

FIG. 6 shows a view of a sealing device according to the invention from the front with lowered sealing strip according to FIG. 1;

7 shows a longitudinal section through the sealing device according to FIG 7 with lowered sealing strip. Figure 8 is a perspective view of the sealing device according to Figure 7;

9 shows the longitudinal section through the sealing device according to FIG. 7 with a view from the opposite side; FIG. Figure 10 is a perspective view of the sealing device according to Figure 9;

11 shows a view of a sealing device according to the invention from the front with raised sealing strip according to a second embodiment; FIG. 12 shows a longitudinal section through the sealing device according to FIG. 11 with raised sealing strip from a first side;

FIG. 13 is a rear view of a sealing device according to the invention with raised sealing strip according to Figure 11;

FIG. 14 shows the longitudinal section according to FIG. 12 from the opposite side; Figure 15 is a perspective view of the sealing device according to FIG

14;

Figure 16 is a perspective view of the sealing device according to FIG

12;

FIG. 17 shows a view of a sealing device according to the invention from the rear with the sealing strip according to FIG. 11 lowered;

FIG. 18 shows a longitudinal section through the sealing device according to FIG. 17 with the sealing strip lowered from a first side;

19 shows a view of a sealing device according to the invention from the front with lowered sealing strip according to FIG. 11; FIG. FIG. 20 shows the longitudinal section according to FIG. 18 from the opposite side;

Figure 21 is a perspective view of the sealing device according to FIG

20; Figure 22 is a perspective view of the sealing device according to FIG

18;

Figure 23 is a perspective view of the sliding module in a first position; Figure 24 is a perspective view of the sliding module according to Figure 23 in a second position;

FIG. 25 is a front view of a sealing device according to the invention lowered sealing strip according to a third embodiment; a longitudinal section through the sealing device according to Figure 25; a view of the sealing device according to Figure 25 from the front with raised sealing strip; a longitudinal section through the sealing device according to Figure 27; a side view of a erfmdungsgemässen pad module in a second embodiment; a perspective view of the support module according to Figure 29; a side view of a erfmdungsgemässen support module in a third embodiment and a perspective view of the support module according to FIG 30.

DESCRIPTION OF PREFERRED EMBODIMENTS

FIGS. 1 to 10 show a first exemplary embodiment of a sealing device according to the invention.

The sealing device has a lowering seal 1 of a known type, as described, for example, in the introduction. The lowering seal 1 has a housing rail 10, which is fastened by means of known means, here by means of a front side inserted into a groove of the housing rail 10 mounting bracket 13 in a lower groove of a sliding sliding door leaf. Other types of attachment, for example by means of lateral brackets, are also possible. The lowering seal is preferably aligned in the raised state with the underside of the sliding door leaf. The housing rail 10 is formed in contrast to the prior art not only hat or U-shaped to form a first chamber downwardly open. It preferably has a second chamber, which is bounded by an outer additional wall 100. In the first chamber, a sealing strip is lowered and held liftable. For this purpose, a likewise arranged in the chamber mechanical lowering mechanism of known type is present. It is not shown here, but known from the prior art. Preferably, it has one or more leaf springs, each of the leaf springs being fastened to the housing 10, to the sealing strip and to a slide 15. The slider 15 is connected to an actuating knob 14, which is arranged at least on one, preferably only on one side of the housing rail 10. He may project the housing rail 10, aligned with its front side or arranged set back. If the actuating button is arranged inside the housing 10, it can be displaced by pressure or tension. However, it can also be contacted and moved, for example, through a lateral or upper window 101 in the housing rail 10. For actuating button alternative triggering mechanisms can also be used in the inventive sealing device.

The sealing strip preferably has a carrier rail 12 and an elastomeric sealing profile 11 attached thereto. The housing rail 10 and the support rail 12 are preferably made of aluminum or other suitable metal. The sealing profile 11 is preferably made of rubber or silicone.

As can be clearly seen in the comparison of Figures 1 and 6, seals the sealing profile 11 in the lowered state of the sealing strip from the gap between the bottom of the door leaf and a bottom B.

The sealing device according to the invention further comprises an activation unit for activating the actuation mechanism of the lowering seal. Preferably, the activation unit acts on the actuating button 14 of the lowering seal, preferably by pressing it. Depending on the activation unit and the lowering mechanism, it can also move or pull out the button to lower the sealing strip. As can be seen in FIG. 2, the activation unit has a support module 2. This support module 2 is arranged next to the lowering seal 1. It is fixed on the floor B or the door frame fixed. The existing through holes are provided with the reference numeral 20. The support module 2 is located next to the lowering seal 1, being received during the displacement of the door leaf in the second chamber, formed by the additional wall 100 of the housing rail 10. This is clearly visible in FIGS. 1, 3 and 6.

The support module 2 is formed in this example as an angle element, wherein it is fastened with a leg on the floor or door frame and the second leg projects upwards. The support module 2 has an upwardly directed support surface. The support surface is formed in this case as an inclined surface 21 and adjacent thereto horizontal surface 22. The support surface preferably forms a sliding surface, wherein the surface texture of the inclined surface 21 and the horizontal surface 22 allow sliding, for example by choice of material and / or by a correspondingly fine surface treatment and / or by a coating. Preferably, the support module 2 made of plastic, metal or a coated metal or wood.

The Aktivierangseinheit further comprises a power transmission module with a support element. The power transmission module is in this embodiment, a pivot module 3 with a pivot arm 30 and a follower 31. This is clearly visible in Figures 2 to 5 and 7 to 10. The pivot arm 30 and the follower 31 are arranged side by side in the transverse direction of the Absenkdichtung and directed downward. They are connected together via a pivot axis 32 together and pivotally with respect to the housing rail 10 pivotally. The pivot axis 32 is preferably arranged in a module housing or a module frame which is preferably fixedly connected to the mounting bracket 13. The pivot axis 32 is preferably laterally above the housing rail 10. This has in the region of the second chamber an opening 101, which are penetrated by the driver 31 and the pivot arm 30, as can be clearly seen in Figure 5.

The swivel module 3 is preferably flush or set back to the housing rail 10th arranged. Accordingly, the operation knob 14 is set back. As a result, the full width of the door leaf can be sealed by means of the lowering seal.

The closing direction of the door leaf is indicated in FIGS. 2 and 3 by an arrow. As soon as the door leaf is pushed in the direction of the arrow into the region of the support module 2, the idler 31 rests on the support surface of the support module 2. He thus forms a support element. It is preferably designed as a sliding element, which slides along the inclined surface 21 up to the horizontal surface 22 when closing the door leaf. The closing movement thus raises the driver 31. The associated pivotal movement of the pivot module 3 moves the pivot arm 30 to the rear. This presses on the actuating button 14 and activates the lowering seal. 1

In the figures 2 to 5, the driver 31 is still in front of the support module 2. The actuator button 14 is unloaded and the sealing strip 11, 12 is raised.

In FIGS. 7 to 10, the driver 31 has moved up the inclined surface 21 and has reached the horizontal surface 22. When sliding up the sealing strip 11, 12 was lowered by the depressed actuating knob 14, the slider 15 is moved and this tensioned the leaf springs and the sealing strip 11, 12 has lowered. Upon reaching the horizontal surface 22 and the maximum lowering of the sealing strip 11, 12 has been achieved. It now lies on the ground B sealing. She is spring loaded. However, the restoring force acting on it is redirected via the operating knob 14 on the swivel module 3, more precisely on the driver 31. Since it rests perpendicular to the horizontal surface 22, the sealing strip 11, 12 is held in the lowered state without further blocking means. The door can be further close in the direction of arrow by the driver 31 of the horizontal surface 22 is moved along and without the restoring force of the sealing strip has to be overcome for this purpose. The displacement of the driver 31 is preferably a sliding movement. As an alternative to the sliding surface on the driver 31 and support module 2, rollers or other suitable means can also be attached to the driver 31 and / or to the support module 2, in order to allow as frictionless a relative movement as possible. If the door is opened again in the direction opposite to the arrow, the driver 31 slides down the inclined surface 21. The pivot arm 30 is pivoted back and releases the operating button again. The leaf springs relax and the sealing strip 1 1, 12 is automatically raised again.

The pivot arm 30 is located in the longitudinal direction of the sealing strip in front of the actuating button 14. Usually, the operating knob 14 is provided with a thread, so that he can still be adjusted on site; i.e. its basic position can be adjusted with respect to the support rail 12 and the housing rail 10 in the longitudinal direction. To make this possible even when using the module according to the invention, the swivel arm 30 has a passage opening 30. This can be enforced by a suitable tool, such as an Allen wrench or screwdriver, to change the operating knob 14 in its basic position. FIGS. 11 to 24 show a second exemplary embodiment. Like parts are designated by the same reference numerals as in the first embodiment and will not be described again. The above is true. Instead of a swivel module 3 here is a lever module 4 is present, which is also arranged again in the second chamber of the housing rail 10 and is operatively connected to the support module 2, as soon as the sliding door has reached in the closing movement of this support module 2.

The lever module 4 is arranged in this example pivotally mounted on the mounting bracket 13, which for this purpose has two frontally projecting mounting lugs 130. The pivot axis of the lever module 4 is provided with the reference numeral 41. In the illustrated embodiment, the lever module 4 is the mounting bracket 13 in front. Alternative arrangements, in which the lever module 4 is aligned with the end face of the housing rail 10 or even arranged offset back, are possible. The lever module 4 has a pivoting lever 42, which in turn extends next to the lowering seal 1 and parallel to its longitudinal direction. Parallel to the pivot lever 42, but frontally in front of the lowering seal 1, an activation lever 43 is pivotally held on the same pivot axis 41. A connecting bolt 44 connects the activation lever 43 with the pivot lever 42, so that they are pivotable only together and in the same direction. The activation lever 43 in turn has a passage opening 45 in order to adjust the actuating knob 14. The pivot lever 42 slides when closing the door along the inclined surface 21 upwards. This can be clearly seen from the synopsis of FIGS. 15 and 21. If the horizontal surface 22, as shown in Figure 21, achieved, it is preferably flat on this surface. The pivot lever 42 is shaped accordingly. He forms the support element.

In this movement, it is pivoted about the pivot axis 41. The activation lever 43 is pressed in accordance with the operation button 14 and the sealing strip 11, 12 is lowered. Also in this example, the force acting on the sealing strip 11, 12 restoring force is compensated by the support of the pivot lever 42 on the support module 2 and the door leaves at fully lowered sealing strip 11, 12 further close.

When the door leaf is opened, the pivoting lever 42 slides down the inclined surface 21 again and releases the actuating button 14, so that the sealing strip 11, 12 is raised again.

The slope of the inclined surface 21 influences again the translation and the force required for the lowering of the seal.

The support module 2 shown in this embodiment is designed to be adjustable. The same module may also be used in the first embodiment described herein or in other embodiments of the invention. It has, as can be clearly seen in particular in FIGS. 23 and 24, a stationary module frame 24 in which a module body 23 is held displaceably. The module body 23 forms the inclined surface 21 and the horizontal surface 22. The module frame 24 has on both sides a guide slot 25, which on each side is traversed by two guide pins 26. The guide pins 26 are fixedly connected to the module body 23. The guide slot 25 extends obliquely upward, with opposite slope to the inclined surface 21. An adjusting screw 27 passes through the module frame 24 on the inclined surface 21 opposite side and presses on the module body 23. This allows the module body 23 to move in the vertical and horizontal directions. This makes it possible to adjust the stroke of the sealing strip 11, 12, so that it is optimally pressed to the bottom B. Other types of adjustability of the activation unit in terms of stroke and distance are possible.

FIGS. 25 to 28 show a further exemplary embodiment of a sealing device according to the invention. Identical parts are also provided with the same reference numerals and are no longer repeated in detail. The activation unit for actuating the lowering mechanism of the lowering seal in turn has the support module 2, which is fixedly arranged on the door frame or on the floor.

The activation unit further comprises a pivoting module 5, which in turn has a pivot arm 50 and a follower 51, which are fixedly connected to each other via a pivot axis 52 and are thus jointly pivotable with each other. In contrast to the exemplary embodiment according to FIGS. 1 to 10, however, idler 51 and swivel arm 50 no longer run parallel to one another but are at an angle of 90 ° or more, but less than 180 °. Preferably, the angle is about 120 °. Furthermore, the pivot arm 50 and the idler are preferably formed straight. In the first example, only the pivot arm 30 is formed in a straight line and the idler 31 preferably forms an angle, in particular a right angle from.

The pivot arm 50 according to the third embodiment is preferably formed substantially shorter than the idler 51st

The pivot axis 52 may be disposed within the housing rail 10 and secured thereto on both sides. Other types of fastening are possible. As in the first exemplary embodiment, when the door leaf closes the driver 51 slides up the support module 2 and is deflected. As a result, the pivoting arm 50 also deflects and presses on the actuating button 14. The latter moves backwards and the sealing strip 11, 12 is lowered.

Again, the weight of the door leaf is again used as a triggering force. In the lowered state, the restoring force of the lowering seal is again deflected thanks to the support of the driver 51 on the support module 2. The restoring force of the lowered seal can thus no longer postpone the door leaf. No additional force is needed to hold the door in the closed position.

FIGS. 29 to 32 show two further variants of the support module 2. These variants can be used in the abovementioned exemplary embodiments or other embodiments according to the teaching according to the invention.

In the variant according to FIGS. 29 and 30, the horizontal surface 22 of the support module 2 has a recess 28. In this recess 28, the free end of the driver 31, 51 and the pivot lever 42 is held. In this position, the sealing strip 11, 12 is slightly raised again, but still seals completely off. This recess prevents accidental displacement of the driver 31, 51 and the pivot lever 42. By slightly raising the sealing strip 11, 12 are further minimized necessary for the further closure of the door leaf forces.

In the variant according to FIGS. 31 and 32, in the closing direction of the door leaf, the horizontal surface 22 is subsequently provided with a counter-inclined surface 29. This has the opposite slope than the inclined surface 21, ie it points down. Their slope may differ from the slope of the inclined surface 21. Preferably, the counter-inclined surface 29 is steeper. When the door leaf is completely closed, the catch 31, 51 or the pivoting lever 42 preferably reaches the counter-inclined surface 29, so that the sealing strip 11, 12 is slightly raised again, but nevertheless still seals sufficiently. However, this counter-inclined surface 29 causes the Resetting force of the seal provides a contribution to the closing of the door leaf and keeps this actively in its closed position.

The inventive sealing device allows the use of known Absenkdichtungen in sliding doors, while they do not hinder the closing movement of the sliding doors.

REFERENCE LIST Lowering seal 29 Counter-inclined surface Housing rail

Additional wall 3 Swivel module opening 30 Swivel arm Sealing profile 31 Follower

Support rail 32 Swivel axis Mounting bracket 33 Through opening Attachment nose

Actuating button 4 lever module slide 41 pivot axis

42 Pivoting lever support module 43 Activation lever Through hole 44 Connecting pin Inclined surface 45 Through hole Horizontal surface

Ramp body 5 Swivel module Ramp frame 50 Swivel arm slot 51 idler

Guide pin 52 Swivel axis Adjustment screw

Deepening B floor

Claims

Sealing device of a sliding door with a slidably mounted door leaf, wherein the sealing device has a lowering seal with a sealing strip (11, 12) and with a lowering mechanism for automatically lowering and raising the sealing strip (11, 12), wherein the lowering takes place against a restoring force, wherein the sealing device further comprises an activation unit for activating the lowering seal,

characterized in that

the activation unit has a support surface (21, 22, 29) directed upwards in the lowering direction,

the activation unit has a bearing element (31, 42, 51) which rests on this bearing surface (21, 22, 29) when the door leaf closes, thereby actuating the lowering seal.

2. Sealing device according to claim 1, wherein the support element (31, 42,

51) rests upon closing of the door leaf on the bearing surface (21, 22, 29) and thereby actuates the lowering mechanism and thus the lowering seal.

3. Sealing device according to one of claims 1 or 2, wherein the activation unit is adapted to hold the sealing strip (11, 12) in a lowered position, without the restoring force influences a sliding movement of the door leaf in the longitudinal direction of the sealing strip (11, 12).

4. Sealing device according to claim 3, wherein a position of the

Support element (31, 42, 51) on the support surface (21, 22, 29) is present, in which position the sealing strip (11, 12) is completely lowered and acting on the sealing strip (11,12) restoring force in a direction perpendicular to the longitudinal direction of the sealing strip (11, 12) is deflected.

5. Sealing device according to one of claims 1 to 4, wherein the bearing surface (21, 22, 29) is a sliding surface and the Aufiageelement (31, 42, 51) is a sliding element which upon closure of the door leaf on this support surface (21, 22 , 29) slides along and thereby actuates the lowering mechanism.

6. Sealing device according to one of claims 1 to 5, wherein the bearing surface (21, 22, 29) at least partially extends obliquely in the longitudinal direction of the lowering seal.

7. Sealing device according to claim 6, wherein the bearing surface (21, 22, 29) extends in the closing direction of the door leaf from bottom to top.

8. Sealing device according to one of claims 6 or 7, wherein the support surface has a downwardly directed counter-inclined surface (29) on which the Aufiageelement (31, 51, 42) in the lowered position of the sealing strip (11, 12) rests.

9. Sealing device according to one of claims 1 to 7, wherein the support surface has a horizontally extending portion (22) on which the Aufiageelement (31, 42, 51) rests to hold the sealing strip (11, 12) in the lowered position ,

10. Sealing device according to one of claims 1 to 9, wherein the bearing surface (21, 22, 29) has a recess (28) in which the support element (31, 42, 51) rests to the sealing strip (11, 12) in to keep the lowered position.

11. Sealing device according to one of claims 1 to 10, wherein the bearing surface (21, 22, 29) is arranged stationary and on the ageelement (31, 42, 51) together with the Absenkdichtung (1) is displaceable.

12. A sealing device according to claim 11, wherein the Aufiageelement (31, 42, 51) is firmly connected to the lowering seal (1) and the bearing surface (21, 22, 29) is formed in a separate from the Absenkdichtung module (2).

13. Sealing device according to one of claims 1 to 12, wherein the lowering mechanism comprises an actuating knob (14) which activates the lowering mechanism by external force, and wherein the support element (31, 42, 51) acts directly on this actuating button or to Lower the sealing strip (11, 12).

14. Sealing device according to one of claims 1 to 13, wherein the support element is a first arm (31, 51) of a pivot module (3, 5), wherein a second arm (30, 50) of the pivot module (3, 5) activates the lowering seal ,

15. Sealing device according to one of claims 1 to 13, wherein the support element is a lever arm (42).

16. Sliding door with slidably mounted door leaf and a sealing device according to one of claims 1 to 15.

17. Activation unit of a sealing device according to one of claims 1 to 15, wherein the Aktivierangseinheit a first module (2), which forms the bearing surface (21, 22, 29) and a second module (3, 4, 5), which a Fastening element (13) for fixing the Absenkdichtung in the door leaf and arranged on the fastening element (13) support element (31, 42, 51).