EP4001577A1 - Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère - Google Patents

Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère Download PDF

Info

Publication number: EP4001577A1
Authority: EP; European Patent Office
Prior art keywords: spring; push rod; trigger; seal; sealing strip
Prior art date: 2020-11-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP20209592.3A

Other languages

German (de)

English (en)

Other versions

EP4001577B1 (fr

Inventor

Sergej Hartung

Julian Kowski

Maico Ludwig

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Athmer OHG

Original Assignee

Athmer OHG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-11-24

Filing date

2020-11-24

Publication date

2022-05-25

2020-11-24 Application filed by Athmer OHG filed Critical Athmer OHG

2020-11-24 Priority to EP20209592.3A priority Critical patent/EP4001577B1/fr

2022-05-25 Publication of EP4001577A1 publication Critical patent/EP4001577A1/fr

2024-11-06 Application granted granted Critical

2024-11-06 Publication of EP4001577B1 publication Critical patent/EP4001577B1/fr

Status Active legal-status Critical Current

2040-11-24 Anticipated expiration legal-status Critical

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Classifications

- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
- E06B7/215—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip being moved to a retracted position by elastic means, e.g. springs

Definitions

Coil springs are generally circular in cross-section. In order for them to be placed in the seal, space must be provided according to the diameter. This limits the designer of the very narrow seals of the application EP 19 166 220.4 in the construction.
a seal with the features mentioned is also in the application EP 20 154 981.3 described.
return springs and/or overload springs are provided in the seal disclosed in the application, which have a wave, triangular, sawtooth profile or a similarly curved profile. These springs can be made very narrow.
the invention was based on the object of proposing an alternative to springs with a wave, triangular, sawtooth profile or a similarly curved profile, without resorting to coil springs, for which standardized articles can be used.
the restoring spring and/or the overload spring is a spring made of an elastomer.
the return spring and/or the overload spring can be a ring, in particular an O-ring, which can be procured in large numbers at low cost.
the rod can have at least one projection, a lug, a hook or a similar element on which the return spring and/or the overload spring can be hooked.
the restoring spring can be attached directly or indirectly to the holding means.
the overload spring can be attached directly or indirectly to an element of the movement mechanism.
the overload spring fixes the element of the movement mechanism to the rod as long as the sealing strip can be moved without hitting an obstacle.
the movement mechanism can be a scissor mechanism which has a first scissor element rotatably mounted on the holding means and a second scissor element rotatably mounted on the first scissor element and at least rotatably mounted on the sealing strip.
the movement mechanism can have a bearing element, with respect to which the rod can be displaced linearly and on which the second scissor element is also rotatably mounted and on which the overload spring is suspended.
the second scissor element can have a first gap into which the bearing element can enter, in particular when there is no case of overload.
the bearing element can have at least one projection, a lug, a hook or a similar element on which the overload spring is suspended.
the second scissor element may have a second slot or window through which the rod passes.
first scissor element prefferably has a gap into which the rod enters when the sealing strip is in the release position. Then, in the release position, the rod and the first scissor element are positioned relative to one another.
the movement mechanism could also comprise a leaf spring or an elastic rod having a first end connected to the holding means and a second end thereof End is connected to the overload spring indirectly or with the rod.
the leaf spring or the elastic rod can be bent by moving the rod relative to the holding means.
the sealing strip can be fastened to this deflected area, which can be displaced from the release position into the sealing position by the deflection.
the connection between the second end of the leaf spring or the elastic rod and the rod is such that the second end is pulled against the rod so long as the weatherseal encounters resistance when the weatherstrip is moved from the released position to the sealed position.
the holding means can be a housing.
the holding means can be a module carrier of a modular seal, in which each module has a movement mechanism and a rod.
Each module can have a return spring and/or an overload spring.
seal according to the invention is a seal that can be used as an automatic floor seal in wing doors.
the seal can also be used on other doors, for example on sliding doors, or on other places on a door, for example on an upper end of the door. This may require changes, but these do not affect the properties that distinguish the seal from known seals.
the seal has a housing 1 and a sealing strip 2, 3.
the sealing strip 2, 3 has a holding rail 2 and a sealing profile 3 made of an elastomer.
the sealing strip 2, 3 is connected to the housing 1 via a movement mechanism 4.
the movement mechanism is connected via connecting rods 5, 5a to a trigger 6 which protrudes beyond the housing 1 at one end.
a stop surface 61 on the trigger 6 By pressing a stop surface 61 on the trigger 6, the sealing strip 2, 3 can be transferred from a release position into a sealing position. If the trigger 6 is released, the sealing strip is moved into the release position by springs 7 and is held in this release position.
the movement mechanisms are in modules M, see Figures 1 to 11 , the seal provided.
the seal shown has two Modules M up. More than two modules can also be provided, particularly in the case of longer seals.
each of the modules has a module carrier 8, one of the push rods 5 and one of the springs 7.
the module carrier 8 is fixed in the housing 1 . It cannot be moved relative to the housing 1 in the fixed state.
the movement mechanism 4 of each module M is a scissor mechanism with a first scissor element 41 and a second scissor element 42.
the two scissor elements are connected to one another via a rotary bearing L.
a first end of the first scissor element 41 is rotatably connected to the module carrier 8 of each module M.
the first scissor element has two outwardly directed pivot pins, which engage in recesses of the module carrier 8 .
a second end of the first scissor element 41 is rotatably and displaceably mounted in or on the retaining rail 2 of the sealing strip 2, 3. This second end has a slot into which, in the released position, the rod 5 of the module enters.
a first end of the second scissor element 42 is rotatably connected to the push rod 5 of the M module.
a second end of the second scissor element 42 is rotatably connected to the retaining rail 2 of the sealing strip 2, 3.
a pin is provided at the second end, which engages in a channel of the holding rail 2 .
the second scissor element 42 has a window through which the push rod 5 is guided.
the scissors mechanism 41, 42 per se is disclosed in the European patent application 19 166 220.4 described.
the module carrier 8 has a guide element 81 which forms a guide channel in which the push rod 5 is guided so that it can be displaced linearly with respect to the module carrier 8 and the housing 1 .
the push rod 5 is displaced in such a way that the first end of the second scissor element 42 is moved towards the first end of the first scissor element, the second ends of the scissor elements 41, 42 are moved downwards, as a result of which the sealing strip 2, 3 is lowered becomes.
An axis 421 of the second scissor element 42 is accommodated in a recess 432 with a semi-circular cross section of a bearing element 43 for the rotatable connection between the second scissor element and the push rod 5 .
the bearing element 43 dips into a gap between two guide elements 422 of the second scissor element. These two guide elements 422 not only serve to position the bearing element 43 .
the push rod 5 is also guided between these guide elements 422 .
the guide elements 422 with arcuate contours roll on an inner side of the housing of the seal when the movement mechanism 4 is actuated.
the bearing element 43 has a projecting nose 433 through which a channel 431 is formed.
a section of an O-ring 9 is suspended behind this nose 433 .
the suspended portion of the O-ring 9 lies in the channel 431.
the O-ring 9 is also suspended from a nose 52 of the push rod 5.
the O-ring 9 is stretched between the lugs 433, 52 and thus pulls the bearing element 43 against the rod.
axis 421 of the second scissor element is thereby also pressed into a bulge, the push rod 5, which among other things another nose 51 of the rod is formed.
the axle 421 is thus mounted between the bearing element 43 and the push rod 5 as long as the force of the O-ring 9 is sufficiently large to pull the bearing element 43 against the push rod 5 .
the O-ring 9 is the overload spring, which prevents damage to the seal, in particular the movement mechanism, if the sealing strip 2, 3 has no or insufficient stroke when the seal is actuated by introducing a force into the trigger and the push rod n5, 5a can execute. If the bearing for the axis 421 were provided in a recess of the push rod 5, in a case in which the sealing strip 2, 3 cannot be moved any further in the direction of the sealing position because a resistance has been encountered, the push rod 5 could, despite persistent Application of force to the trigger 6 is also not moved. The sustained application of force can then damage the seal.
the bearing element 43 can lift off the push rod 5 .
the axis 421 of the second scissor element is then also released from the connecting rod 5 and is pressed further into the recess 432 by the force of the resistance which opposes the sealing strip.
the push rod 5 can be moved further by the force introduced via the trigger 6 without a force being transmitted to the movement mechanism.
the push rods 5 of the modules M are coupled to one another via the push rod 5a.
the coupling of the push rods 5 of the modules M with the push rod 5a takes place in guide elements 10 which are fastened in the housing. These have a guide channel in which the ends of the push rods 5 and the push rod 5a are led.
the push rods 5, 5a butt against each other in the guide channel.
the push rods 5, 5a are not attached to each other. Therefore, only a compressive force but no tensile force can be transmitted between the push rods 5, 5a.
the guide elements 10 are so long that the joint between the push rods 5, 5a remains in the guide channel even when the push rods 5, 5a are displaced when the seal is actuated.
the push rod of the module 5, which is arranged adjacent to the trigger 6, is connected to the trigger on the trigger side.
This connection is also provided in a guide element 10 .
the connection is a snap connection that can be subjected to pressure and, within certain limits, to tension. Because the connection can also be subjected to tensile stress within certain limits, it is possible to transfer a compressive force exerted on the trigger 6 for actuating the seal to the push rods 5, 5a and the movement mechanisms 4. At the same time, the trigger 6 is held in the housing 1 by the snap connection and cannot fall off the rest of the seal. However, if a tensile force exerted on the trigger 6 exceeds the certain limit, the snap connection is released and the trigger 6 can be removed from the housing 1 . This may be necessary if the length of the trigger 6 is to be adjusted.
the trigger 6 is composed of two components 61, 62.
the first component 61 has, at a first end lying outside the housing 1, a stop surface with which the trigger 6 can strike a door frame when the door is closed. As a result, a compressive force is transmitted to the trigger 6, the displacement of the sealing strip 2, 3 from the release position to the sealing position leads.
the first component 61 of the trigger 6 has a threaded bore.
the second component 62 of the trigger 6 has a threaded pin on an end facing the first component 61 .
This threaded pin has a T-shaped cross-sectional profile. Only the outer sides of the pin lie on a circular line and have threads that interact with the thread of the threaded hole in the first component 61 .
the length of the trigger 6 can be determined by the selection of the screwing depth of the threaded pin into the threaded bore.
the push rod 5 of each module M has a recess in which the spring 7 is accommodated.
This spring 7 has a first end connected to the push rod 5 of the M module.
a second end of the spring 7 of the module M is connected to the module carrier 8 of the module M.
the attachment point of the spring 7 on the module carrier 8 is in the direction of movement of the push rod 5 when the trigger 6 is actuated by pressure in front of the attachment point of the spring 7 on the push rod 5 the trigger lengthened and thus cocked.
the spring 7 is a tensile stress. Simultaneously with the tensioning of the springs 7, the sealing strip is moved from the release position into the sealing position by actuating the seal by pressing the trigger 6, with the sealing strip 2, 3 being displaced parallel to the housing 1 in the direction out of the housing 1.
the springs 7 can relax and contract.
the movement mechanisms 4 are actuated in the reverse direction and the Sealing strip 2, 3 is raised and held in the raised position by the springs 7.

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Engineering & Computer Science (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

EP20209592.3A 2020-11-24 2020-11-24 Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère Active EP4001577B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP20209592.3A EP4001577B1 (fr)	2020-11-24	2020-11-24	Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20209592.3A EP4001577B1 (fr)	2020-11-24	2020-11-24	Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère

Publications (2)

Publication Number	Publication Date
EP4001577A1 true EP4001577A1 (fr)	2022-05-25
EP4001577B1 EP4001577B1 (fr)	2024-11-06

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ID=73597822

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20209592.3A Active EP4001577B1 (fr)	2020-11-24	2020-11-24	Joint d'étanchéité automatique doté d'un ressort de surcharge en élastomère

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US16341A (en) *		1857-01-06		Weather-strip for doors
US384003A (en) *		1888-06-05		Joseph thompson and john o
FR802747A (fr) *	1935-03-11	1936-09-14		Dispositif empêchant les courants d'air de passer au-dessous des portes, fenêtres, etc.
EP3699384A1 (fr) *	2019-02-20	2020-08-26	Athmer oHG	Joint d'étanchéité doté d'une bande d'étanchéité pouvant être abaissée au moyen d'un mécanisme d'abaissement actionnable à l'aide d'un déclancheur

2020
- 2020-11-24 EP EP20209592.3A patent/EP4001577B1/fr active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US16341A (en) *		1857-01-06		Weather-strip for doors
US384003A (en) *		1888-06-05		Joseph thompson and john o
FR802747A (fr) *	1935-03-11	1936-09-14		Dispositif empêchant les courants d'air de passer au-dessous des portes, fenêtres, etc.
EP3699384A1 (fr) *	2019-02-20	2020-08-26	Athmer oHG	Joint d'étanchéité doté d'une bande d'étanchéité pouvant être abaissée au moyen d'un mécanisme d'abaissement actionnable à l'aide d'un déclancheur

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Publication number	Publication date
EP4001577B1 (fr)	2024-11-06

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Publication	Publication Date	Title
EP2085559B1 (fr)	2016-12-14	Dispositif d'étanchéité abaissable
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EP4276267B1 (fr)	2025-07-02	Joint d'étanchéité, notamment pour portes coulissantes ou portes coulissantes
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EP3768930B1 (fr)	2023-04-12	Dispositif de joint d'étanchéité