EP3388610B1 - Wellenbaugruppe, verschluss- oder schutzeinrichtung sowie montagesatz - Google Patents

Wellenbaugruppe, verschluss- oder schutzeinrichtung sowie montagesatz Download PDF

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Publication number
EP3388610B1
EP3388610B1 EP18165613.3A EP18165613A EP3388610B1 EP 3388610 B1 EP3388610 B1 EP 3388610B1 EP 18165613 A EP18165613 A EP 18165613A EP 3388610 B1 EP3388610 B1 EP 3388610B1
Authority
EP
European Patent Office
Prior art keywords
connecting sleeve
hollow section
section body
shaft assembly
pressure piece
Prior art date
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.)
Active
Application number
EP18165613.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3388610A1 (de
Inventor
Rolf Walter-Seifart
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.)
Acomax GmbH
Original Assignee
Acomax GmbH
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.)
Filing date
Publication date
Application filed by Acomax GmbH filed Critical Acomax GmbH
Publication of EP3388610A1 publication Critical patent/EP3388610A1/de
Application granted granted Critical
Publication of EP3388610B1 publication Critical patent/EP3388610B1/de
Active legal-status Critical Current
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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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/171—Rollers therefor; Fastening roller shutters to rollers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0648—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the roller tube
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/44—Rollers therefor; Fastening roller blinds to rollers
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/706—Shafts
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/171—Rollers therefor; Fastening roller shutters to rollers
    • E06B2009/1713—Telescopic rollers
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B2009/407—Telescopic roller

Definitions

  • the present disclosure relates to a shaft assembly for a locking or protective device, in particular for a roller shutter, a roller shutter or an awning, the shaft assembly having a hollow-shaped hollow profile body which is rotatable about its longitudinal axis and is designed to accommodate a armor or a track, with the shaft assembly can be received between a first support and a second support, the hollow profile body extending between the first support and the second support and having a first end facing the first support and a second end facing the second support , at least at the first end or at the second end of the hollow profile body a coupling sleeve with the hollow profile body is provided, wherein a prestressing element is arranged between the hollow profile body and the connecting sleeve, the connecting sleeve against a force applied by the prestressing element across from the hollow profile body is axially displaceable, whereby a pressure piece can be received on the hollow profile body, on which the prestressing element is supported, wherein the pressure element can be coupled to a pipe section of
  • Shaft assemblies of the type described herein can generally also be referred to as a retractor and are usually provided for the controlled winding or unwinding of a closure unit in the form of a so-called armor, which has various members, in order to cover or uncover an opening.
  • An installation dimension for the shaft assembly is usually given by the existing opening (window, door or the like) and by corresponding recesses in the wall and / or by given dimensions of a box. Usually only little space is provided in an axial direction (along the longitudinal axis of the hollow profile body), if only due to the fact that, for example, the curtain of a roller shutter must be so wide that, in cooperation with appropriate lateral guide rails, a complete closure of the opening is possible.
  • the shaft assembly can be assembled in a partially or fully developed state, so that, for example, the hollow profile body is at least partially (radially) accessible.
  • the hollow profile body is at least partially (radially) accessible.
  • the disclosure is based on the object of specifying a shaft assembly for a locking or protective device, in particular for a roller shutter, a roller door or an awning, which is easy to assemble and reduces the risk of incorrect assembly and incorrect settings.
  • a shaft assembly for a locking or protective device in particular for a roller shutter, a roller door or an awning
  • a safe, low-error assembly is to be guaranteed, which preferably prevents automatic loosening.
  • the shaft assembly should as far as possible be suitable for both new installations and retrofits / conversions. Accordingly, the shaft assembly should be designed in such a way that adaptation to given installation spaces, in particular to given widths, is readily possible. In addition, the shaft assembly should be designed in such a way that simple assembly and disassembly is made possible even with poor accessibility, for example in a roller shutter box or a window recess.
  • the shaft assembly should be as self-adjusting as possible, in particular with regard to its axial position. This should further contribute to the fact that the assembly and in particular adjustment work can be simplified or at least partially become superfluous.
  • the present disclosure is based on the object of specifying a locking or protective device, in particular a roller shutter, a roller shutter or an awning, which is provided with such a shaft assembly.
  • a locking or protective device in particular a roller shutter, a roller shutter or an awning, which is provided with such a shaft assembly.
  • an assembly kit for flexible assembly of a shaft assembly is to be specified, which is particularly suitable for retrofitting and / or for repair purposes.
  • a shaft assembly has a drive unit which is at least partially arranged in the hollow profile body, the drive unit having an output for rotationally driving the hollow profile body, and in that the preloading element does not penetrate into the interior of the hollow profile body when the connecting sleeve is at least partially inserted into the interior of the hollow profile body.
  • the connecting sleeve which is arranged between the hollow profile body and the support, be designed to be displaceable against a biasing force so that the connecting sleeve can be at least partially inserted into the hollow profile body for the purpose of assembly or disassembly.
  • This has the advantage that, after the load has been removed, the shaft assembly can easily be engaged or locked (outwards) in a given (axial) installation space. This basically applies in a completely wound-up state of the hollow profile body and also in a completely or partially unwound state of the hollow profile body.
  • the design with the connecting sleeve displaceable against the force of the prestressing element allows assembly or disassembly without it being absolutely necessary to make the hollow profile body radially accessible in order to fasten screws, fastening pins or the like radially. In principle, this is no longer necessary.
  • a pressure piece on which the prestressing element is supported can be received on the hollow profile body, the pressure piece being able to be coupled to a pipe section of the connecting sleeve.
  • the prestressing element can be supported axially on the one hand on the collar of the connecting sleeve and on the other hand on the pressure piece.
  • the pressure piece enlarges the axial end face of the hollow profile body, so that there is sufficient axial contact surface for the prestressing element. This has the advantage that the hollow profile body can continue to be thin-walled and designed as an endless profile.
  • the preloading element is designed as a spring, arranged concentrically to the pipe section of the connecting sleeve and outside the pipe section, the pipe section providing a guide for the pressure piece and the preloading element.
  • the prestressing element can be designed simply and inexpensively as a compression spring.
  • the prestressing element does not penetrate into the interior of the hollow profile body when the connecting sleeve is at least partially inserted into the interior of the hollow profile body. Furthermore, this design prevents kinking or other deflection of the prestressing element.
  • the shaft assembly is designed to be self-aligning. Since a prestressing element is arranged between the hollow profile body and the connecting sleeve, which applies an axial prestressing force, the shaft assembly - viewed axially - automatically adapts to given Installation conditions when the fitter or worker no longer applies any axial force.
  • the shaft assembly can generally also be referred to as a reeling device or winding device.
  • assembly includes both assembly and disassembly. Repair work, maintenance work and the like are also included.
  • roller shutters In the context of the present disclosure, embodiments and designs of the shaft assembly are illustrated using roller shutters. This is not to be understood as restrictive and in particular does not exclude the use in awnings or similar devices for sun protection, rain protection, privacy protection and the like.
  • the connecting sleeve can generally also be referred to as a bearing sleeve or a telescopic sleeve.
  • the connecting sleeve and the hollow profile body are at least partially telescopic.
  • the connecting sleeve serves as an assembly aid, since an axial "upsetting" of the shaft assembly is made possible in a simple manner, so that a form-fitting receptacle can be generated by snapping into the first support and the second support.
  • the hollow profile body is not necessarily designed to be rotationally symmetrical or even cylindrical. Instead, the hollow profile body is regularly designed as a polygonal profile, such as a square, hexagonal or octagonal profile. Alternatively, the hollow profile body can have a round profile or a round profile provided with a groove. Other profile shapes of other types are conceivable.
  • the design described above allows, to a certain extent, a self-balancing or even floating accommodation of the hollow profile body between the first support and the second support. This applies in particular to the case that both the first end and the second end of the hollow profile body have such Connecting sleeve is provided which can be pushed into the hollow profile body against a biasing force.
  • the first end and / or the second end of the hollow profile body can be supported directly or indirectly on the first support or on the second support.
  • the first support serves as a pivot bearing for the hollow profile body.
  • the second support can be designed as a rotating armature for the drive unit.
  • the second end of the hollow profile body is coupled to the drive unit via the connecting sleeve, the drive unit being fixed to the second support.
  • At least the first support which for example is provided with a pivot bearing or can be coupled, can be referred to as a bearing plate.
  • first and second are chosen arbitrarily and above all for purposes of distinction. Accordingly, instead of “first element” and “second element”, the terms “right element” and “left element” could also be chosen for purposes of distinction, although this is not to be understood as restrictive.
  • first end denotes the end of the hollow profile body that is assigned to the first support, which is designed as a pivot bearing for the hollow profile body.
  • second end denotes that end of the hollow profile body which is assigned to the motor-side or drive-side second support.
  • the drive unit is a so-called tubular motor which, in addition to an electric motor, can in principle also have a reduction gear.
  • the drive unit can furthermore comprise a control module.
  • the drive unit can also include sensors.
  • a bearing for the second end of the hollow profile body can be formed on the drive unit, in particular on a drive housing.
  • the connecting sleeve has a collar on which the prestressing element is supported at its end facing away from the hollow profile body.
  • the waistband can also be called a collar.
  • the collar usually extends radially outward.
  • the pipe section of the connecting sleeve dips axially into the hollow profile body as the compression of the prestressing element increases. In this way, the entire shaft assembly can be compressed axially or telescoped to enable assembly.
  • the prestressing element sits on the pipe section of the connecting sleeve between the collar of the connecting sleeve and the pressure piece, which can also be received on the connecting sleeve.
  • the pressure piece can be connected non-rotatably to the hollow profile body, the pressure piece also being able to be coupled non-rotatably to the connecting sleeve.
  • the pressure piece can be a Have profile which is adapted to an inner profile of the hollow profile body in order to enable rotational driving.
  • Rotary driving elements can be formed between the pressure piece and the hollow profile body, which are designed as webs and corresponding grooves. This has the advantage that when the hollow profile body is rotated when the armor is wound or unwound, the connecting sleeve also rotates essentially the same in terms of direction and amount. Thus there is no (substantial) relative rotation between the connecting sleeve, the pressure piece and the hollow profile body.
  • the exact rotational coupling or rotational position coupling is important for limit switches and similar safety devices, which are used, for example, to prevent trapping. In this way, it is also possible to avoid unfavorable friction which could occur if the prestressing element was partially twisted about the longitudinal axis.
  • the hollow profile body is also supported in a defined manner between the first support and the second support.
  • a snap connection is provided between the pressure piece and the connecting sleeve in order to couple the pressure piece to the connecting sleeve in an axially displaceable and captive manner.
  • This is preferably done with the interposition of the pretensioning element.
  • a pre-assembly of such an assembly unit, which comprises the connecting sleeve, the pressure piece and the pretensioning element, can thus advantageously take place.
  • the snap connection is preferably designed in such a way that the pretensioning force of the pretensioning element cannot cause the snap connection to be inadvertently released.
  • the described assembly unit subassembly is also particularly suitable for retrofitting existing facilities, since ideally no or only insignificant changes are required at the outer interfaces, i.e. at the first support, second support, the hollow profile body and / or the drive unit.
  • corresponding rotary driving elements are provided on the pipe section and on the pressure piece.
  • the rotary driving elements can in particular have the shape of grooves and webs.
  • the connecting sleeve, the pretensioning element and the pressure piece do not protrude or protrude only insignificantly beyond an outer circumference or an envelope curve of the hollow profile body.
  • An envelope curve around the hollow profile body can be understood as a circle or cylinder that connects the outer points of the hollow profile body, which is usually designed as a polygonal profile, to one another.
  • the connecting sleeve, the prestressing element and the pressure piece preferably do not project or at least do not project substantially radially outwards beyond this enveloping circle or envelope.
  • the tubular design of the shaft assembly is retained. Furthermore, the ability to wrap around / wrap around the hollow profile body with the armor and / or the web is retained.
  • the hollow profile body is supported at its first end via a first connecting sleeve on the first support, the connecting sleeve having a receptacle in the form of a bearing seat or an axle socket.
  • the connecting sleeve preferably has a combined receptacle which provides both a bearing seat and an axle socket.
  • This connecting sleeve is referred to as the first connecting sleeve for purposes of differentiation.
  • the connecting sleeve itself can have a bearing seat in which a bearing, for example a roller bearing (ball bearing, roller bearing or the like), can be accommodated.
  • a bearing for example a roller bearing (ball bearing, roller bearing or the like)
  • a bolt would be formed on the first support, onto which the connecting sleeve with the bearing received in the bearing seat can be inserted.
  • the bearing or roller bearing is received directly on the first support over its outer circumference. Accordingly, an axle is provided which is inserted into the axle socket of the connecting sleeve. The connecting sleeve can then be inserted into the bearing on the bearing seat via the axle.
  • the end face of the connecting sleeve facing the first support is preferably designed both as a bearing seat and as an axle mount. This reduces the variety of parts, the manufacturing costs and the logistics effort.
  • the connecting sleeve provided with the combined receptacle provides a two-in-one solution for the receptacle on the first support.
  • the bearing seat is axially offset from the axle socket, for example, with a seat diameter of the bearing seat being larger than a receiving recess of the axle socket.
  • the bearing seat is initially provided, with the axle mount being connected to it, offset axially to the rear.
  • the hollow profile body is supported at its second end via a second connecting sleeve on the drive unit and via the drive unit on the second support.
  • the second connecting sleeve is interposed between the hollow profile body and the drive unit.
  • the drive unit has a rotary driver, which is coupled to the hollow profile body for driving movement, the drive unit being coupled to a rotary position sensor unit.
  • the rotational position sensor unit preferably detects a rotational position of the rotary driver and compares this with a rotational position of the output.
  • the drive unit serves as a (second) bearing for the hollow profile body, since the hollow profile body can rotate around the drive unit (or around a housing of the drive unit) via the connecting sleeve.
  • a blocking detection or an anti-trap protection can be implemented in this way if the rotational position on the output is compared with the rotational position of the rotary driver. Differences in the rotational position can be detected via the rotational position sensor unit. Significant differences in the rotational position of the rotary driver and the output are indicators of a tilt of the armor.
  • the rotary driver has at least one rotary driver element which can be coupled to the connecting sleeve for rotary driver.
  • the rotary movement of the hollow profile body is transmitted to the connecting sleeve via the pressure piece, so that the rotary driving element is essentially non-rotatably connected to the hollow profile body, although the connecting sleeve and the pressure piece are interposed between the rotary driving element and the hollow profile body.
  • An assembly unit is also provided at the second end, that is to say for coupling the hollow profile body to the drive unit, which is referred to as a second assembly unit for purposes of distinction.
  • the second assembly unit comprises a connecting sleeve, a pressure piece and a prestressing element which is arranged between these, the pressure piece preferably being received via a snap connection on a pipe section of the connecting sleeve.
  • the first end is supported on the first support, the second end being supported on the drive unit, the drive unit being supported on the second support, the output of the drive unit being coupled to the hollow profile body via an adapter piece for rotational driving is, and wherein the adapter piece is arranged in the interior of the hollow profile body.
  • the application of force to transmit the drive torque to the hollow profile body can take place in a central area between the first end and the second end.
  • a compensating movement and a telescopic movement can take place both at the first end and at the second end of the hollow profile body, to simplify assembly. It is not necessary to fix the adapter piece axially relative to the hollow profile body.
  • the drive unit preferably has a motor and a transmission, which are arranged in a drive housing.
  • the drive housing also serves as a housing for the rotary driver of the drive unit, which provides a rotary bearing for the hollow profile body, the coupling taking place with the interposition of a connecting sleeve and a pressure piece. The rotary movement of the hollow profile body can be picked up via the rotary driver.
  • a connecting sleeve, a pressure piece and a prestressing element each form an assembly unit.
  • a first assembly unit and a second assembly unit are possible, the first assembly unit being assigned to the first end and the second assembly unit to the second end of the hollow profile body.
  • Embodiments of the assembly kit are conceivable which only have the first assembly unit or the second assembly unit.
  • the advantages of the present disclosure are already evident when using only one telescopic connecting sleeve, either at the first end or at the second end. If two connecting sleeves, that is to say two assembly units, are provided, even larger axial movements are possible in order to simplify assembly or disassembly. Furthermore, when two such assembly units are used, a “floating” self-balancing axial bearing of the shaft assembly results. The prestressing forces of the two prestressing elements counteract one another.
  • one and the same spring can be used both in the first assembly unit and in the second assembly unit.
  • one and the same pressure piece can be used both at the first end and at the second end of the hollow profile body.
  • At least the collar and the pipe section of the connecting sleeves are designed identically.
  • at least one radial outer contour of the connecting sleeves is of the same type, so that, for example, the use of tools with interchangeable inserts for production is conceivable.
  • the pressure piece, the first connecting sleeve and the second connecting sleeve are manufactured, for example, by means of injection molding.
  • additive manufacturing or generative manufacturing is also conceivable, for example using 3D printing processes. This can particularly affect spare parts, retrofit solutions and other batches with small production sizes.
  • the design of the end facing away from the hollow profile body and facing the first support is advantageously such that on the one hand a bearing seat and at the same time an axle socket or axle socket is provided there.
  • An adaptation to different types of supports (end shields) can thus also be ensured there with one and the same design.
  • Fig. 1 illustrates an exemplary embodiment of a locking device 10 on the basis of a longitudinal section.
  • the locking device 10 is configured, for example, as a roller shutter, roller door, blind or segment door / sectional door.
  • the locking device 10 is fixed to the housing on a wall 12. It goes without saying that the closure device 10 can also be received on the ceiling side, via boxes and in a similar manner.
  • Fig. 1 illustrates a conventional embodiment of the closure device 10, for example in FIG EP 0 479 719 B1 is described.
  • FIG Figures 2 to 15 Exemplary embodiments of shaft assemblies in accordance with the present disclosure are illustrated in FIG Figures 2 to 15 detailed and described, each referring to the in Fig. 1 illustrated exemplary installation situation is parked.
  • the closure device 10 comprises a first support 14 and a second support 16, which in the exemplary embodiment are each received on opposite walls 12.
  • a roller bearing 18 is provided which supports an axis 20.
  • the closure device 10 comprises a shaft assembly 24 which is received between the first support 14 and the second support 16.
  • the shaft assembly 24 is supported on the roller bearing 18 on the first support 14 via the axis 20.
  • the shaft assembly 24 is used for receiving, winding and unwinding a tank 26.
  • the tank 26 comprises a plurality of members 28 which are articulated to one another. Accordingly, the armor 26 can be wrapped around a hollow profile body 30 of the shaft assembly 24 or unwound from it.
  • Alternative versions of the device 10 include the design as a protective device, in particular as an awning for sun protection, privacy protection, rain protection, or the like. Accordingly, it is basically conceivable to wind up and unwind a web, such as a fabric web or film web, instead of the armor 26.
  • the hollow profile body 30 comprises a first end 32 and a second end 34.
  • the first end 32 faces the first support 14.
  • the second end 34 faces the second support 16.
  • a drive unit 40 which comprises a drive housing 42.
  • the drive housing 42 is received on the second support 16 in a rotationally fixed manner.
  • the second support 16 serves as a torque support for a motor 44 of the drive unit 40.
  • the motor 44 is accommodated in the drive housing 42.
  • the drive unit 40 also includes a gear 46.
  • the motor 44 is coupled via the gear 46 to an output 48, which is also referred to as an output.
  • the output 48 is coupled to a driver 50 which is connected to the hollow profile body 30 about its longitudinal axis for rotational driving.
  • a fastening means is provided, here for example in the form of a screw 52, which couples the driver 50 to the hollow profile body 30. It goes without saying that fastening with the screw 52 or a similar fastening means is only necessary in some cases.
  • the drive unit 40 is supported on the second support 16.
  • the motor 44 When the motor 44 is active, an output movement of the motor is transmitted via the transmission 46 to the output 48 and via the driver 50 to the hollow profile body 30.
  • the armor 26 can then be wound up or unwound, depending on the direction of rotation of the motor 44.
  • the hollow profile body 30 is also supported at its second end 34 via a bushing 56 on the drive unit 40.
  • a rotary driver 58 is formed on the drive housing 42 and provides a bearing for the bushing 56 and thus for the hollow profile body 30.
  • two pivot bearings are provided for the hollow profile body 30, on the one hand the roller bearing 18, which is coupled to the first support 14, at the first end 32.
  • the rotary driver 58 is provided in the drive unit 40, with which the hollow profile body 30 is rotatably mounted via the bush 56. The second end 34 is thus supported on the second support 16 via the rotary driver 58 and the drive housing 42.
  • the drive unit 40 also has a rotational position sensor unit 60 which is designed to provide a To detect and monitor the rotational position of the output 48 and a rotational position of the rotary driver 58.
  • This has the advantage that blocking cases, unequal loads and other unusual operating conditions can be recorded. If the rotational position of the rotary driver 58 and the output 48 do not change synchronously and rotational position differences are determined, this indicates a potentially faulty operating state.
  • the motor 44 for example, can then be switched off via a controller.
  • the motor 44, the transmission 46 and the rotational position sensor unit 60 are shown in FIG Fig. 1 for illustrative purposes only shown symbolically via dashed blocks in the drive housing 42.
  • the assembly of the shaft assembly 24 according to Fig. 1 is relatively expensive, since there is only little space between the walls 12 to fix the shaft assembly 24, possibly even in the fully wound state, to the first support 14 and the second support 16 or to detach it therefrom. A very complex and possibly cumbersome assembly / disassembly may thus be necessary. Boxes such as roller shutter boxes, awning boxes and the like are often used as a housing for the shaft assembly 24. Assembly openings of the boxes are regularly even shorter in the longitudinal direction than the length of the shaft assembly 24 which is necessary in the operational state.
  • Fig. 2 illustrates a shaft assembly 74 for a closure device 10, compare here Fig. 1 .
  • the shaft assembly 74 can be received between a first support 76 and a second support 78.
  • the shaft assembly 74 comprises a hollow profile body 80, which has a first end 82 which faces the first support 76.
  • the hollow profile body 80 has a second end 84 which faces the second support 78.
  • the first end 82 and the second end 84 of the Hollow profile bodies 80 face away from one another.
  • the hollow profile body 80 is rotatable about its longitudinal axis 86, around a shell 26 (see again Fig. 1 ) to wind up and unwind. In this way, a roller shutter, a roller door or the like can be realized.
  • the shaft assembly 74 further comprises a drive unit 90, which is designed as a so-called tubular motor unit.
  • the drive unit 90 has a drive housing 92 in which a motor 94 is arranged.
  • the motor 94 is coupled to an output 98 via a transmission 96.
  • the output 98 cooperates with a driver 100 in order to form a rotary drive for the hollow profile body 80.
  • the drive unit 90 is non-rotatably coupled to the second support 78 via a connecting piece 104.
  • the hollow profile body 80 is (indirectly) coupled to the first support 76 at its first end 82.
  • the first support 76 defines a first rotary bearing for the hollow profile body 80.
  • the hollow profile body 80 is received (indirectly) on a rotary driver 108 via its second end 84.
  • the rotary driver 108 provides a second rotary bearing for the hollow profile body 80.
  • a first pivot bearing is assigned to the first end 82 and a second pivot bearing is assigned to the second end 84.
  • a rotary drive takes place between the first end 82 and the second end 84 via the driver 100.
  • a rotational position sensor 110 is also provided in the drive unit 90, which is designed to detect a rotational position of the output 98 and a rotational position of the rotary driver 108 in order to determine any deviations.
  • a safety shutdown can be implemented in this way. It goes without saying that exemplary designs of the shaft assembly 74 can also be implemented without such a rotational position detection.
  • the motor 94, the gearbox 96 and the rotational position sensor unit 110 are only indicated by dashed blocks in the drive housing 92. It is understood that the drive unit 90 also includes a Control unit, interfaces, supply lines, control lines and the like may include.
  • the in Fig. 2 Shaft assembly illustrated in FIG Fig. 1 illustrated shaft assembly 24 is very similar. This allows simple interchangeability and / or upgradeability.
  • the shaft assembly 74 is received between the first support 76 and the second support 78 in FIG Fig. 2 using additional elements that significantly simplify assembly and disassembly.
  • a first assembly unit 120 is assigned to the first end 82 of the hollow profile body 80.
  • a second assembly unit 122 is assigned to the second end 84 of the hollow profile body 80.
  • the first assembly unit 120 comprises a connecting sleeve 126, a pressure piece 132 and a prestressing element 138. Accordingly, the elements can be referred to as a first connecting sleeve 126, a first pressure piece 132 and a first prestressing element 138.
  • the second assembly 122 comprises a connecting sleeve 126, a pressure piece 134 and a prestressing element 140. Accordingly, the elements can be referred to as a second connecting sleeve 128, a second pressure piece 134 and a second prestressing element 140.
  • the first mounting unit 120 extends between the first end 82 and the first support 76.
  • the second mounting unit 122 extends between the second end 84 and the rotary driver 108, which is received on the second support 78 via the drive housing 92 or the connecting piece 104.
  • the connecting sleeve 126 protrudes at least in sections at the first end 82 into an interior space of the hollow profile body 80.
  • the connecting sleeve 126 comprises a collar 144 at its end facing the first support 76.
  • a pipe section 150 follows in the direction of the hollow profile body 80.
  • the biasing element 138 which is designed as a helical spring (compression spring), extends to the collar 144 and the pressure piece 132.
  • a snap connection is formed between the connecting sleeve 126 and the pressure piece 132, which is formed, for example, by snap hooks 156 which are provided on the pipe section 150.
  • a form-fitting position securing for the pressure piece 132 on the first connecting sleeve 126 is thus provided.
  • the pressure piece 132 is coupled to a front end of the hollow profile body 80.
  • the prestressing element 138 urges the pressure piece 132 and the collar 144 apart.
  • the prestressing element 138 urges the pressure piece 132 in the direction of the hollow profile body 80.
  • the connecting sleeve 126 can be guided deeper into the hollow profile body 80 at least in sections, provided that a suitable force is applied.
  • the connection between the hollow profile body 80 and the connecting sleeve 126 can be telescoped at least in sections.
  • the prestressing element 138 ensures that the connecting sleeve 126 is forced out again if no corresponding force is applied from the outside.
  • the connecting sleeve 128 also interacts with the second end 84 of the hollow profile body 80 in a similar manner.
  • the connecting sleeve 128 is at least partially inserted into the hollow profile body 80.
  • the pressure piece 134 is supported on an end face of the hollow profile body 80 which faces the second support 78.
  • the connecting sleeve 128 has a collar 146 which faces the second support 78. Starting from the collar 146, a pipe section 152 extends in the direction of the hollow profile body 80 and at least partially into it.
  • the prestressing element 140 extends between the collar 146 and the pressure piece 134.
  • the prestressing element 140 is again designed, for example, as a helical spring (compression spring).
  • the prestressing element 140 urges the collar 146 away from the hollow profile body 80.
  • a snap connection is also provided between the pressure piece 134 and the connecting sleeve 128, for example through Snap hooks 158 is formed, which are provided on the pipe section 152.
  • a form-fitting position securing for the pressure piece 134 on the pipe section 152 is provided.
  • the connecting sleeve 128 can also be displaced further into the hollow profile body 80 against the force applied by the prestressing element 140.
  • the connection between the hollow profile body 80 and the connecting sleeve 128 can thus also be telescoped at least in sections, provided that a corresponding force is applied.
  • the prestressing element 140 urges the collar 146 and thus the connecting sleeve 128 in the direction of the second support 78.
  • the drive unit 90 of FIG Fig. 2 The embodiment shown is received non-rotatably on the second support 78 via the connecting piece 104.
  • the rotary driver 108 functions (indirectly) as a rotary bearing for the second end 84 of the hollow profile body 80.
  • the first end 82 of the hollow profile body 80 is (indirectly) received on the first support 76.
  • the connecting sleeve 126 has a bearing seat 162 on its end face facing the first support 76.
  • An axle mount 164 which can also be referred to as an axle mount, connects to the bearing seat 162.
  • Recesses 166 are also provided primarily for manufacturing reasons.
  • a bearing 168 is accommodated in the bearing seat 162 and is supported on a bolt 170 which is designed as an integral part of the first support 76.
  • the connecting sleeve 126 is designed both to support a bearing via the bearing seat 162 and to accommodate an axle via the axle mount 164. Accordingly, the connecting sleeve 126, as shown in FIG Fig. 2 shown, are coupled to a support 76 with a fixed bolt 170. Alternatively, however, it is also possible to equip the connecting sleeve with a support 14 according to the method shown in FIG Fig. 1 to couple design shown, which has an integrated roller bearing 18. In other words, an axis could 20, compare again Fig. 1 , in the axle mount 164 (compare Fig. 2 ) of the connecting sleeve 126 be added. Assembly would then also be possible. One and the same part is suitable for two different types of fastening.
  • each of the two assembly units 120, 122 can also be used on its own. Even if only one of the two ends 82, 84 of the hollow profile body 80 is coupled to a corresponding assembly unit 120, 122, it is possible to achieve significant simplifications in assembly and disassembly.
  • FIG. 3 4 illustrates an exploded, broken partial view of the shaft assembly 74, which relates in particular to a region at the second end 84 of the hollow profile body 80 and the associated assembly unit 122.
  • FIGS. 4 and 5 10 illustrate side views in a pre-assembled condition with the connector sleeve 128 in FIG Fig. 5 compared to the representation in Fig. 4 is inserted deeper into the hollow profile body 80.
  • the state in Fig. 5 can be generated by applying a correspondingly high force to the collar 146. In this state, a coupling with the second support 78 (cf. Fig. 2 ) respectively.
  • Fig. 3 it can be seen that the drive unit 90 is inserted through the assembly unit 122 into the hollow profile body 80.
  • the rotary driver 108 is rotated at the same time as the rotary movement of the hollow profile body 80. This is even necessary when using monitoring devices for anti-trap protection (blocking protection) or for end position detection.
  • the pressure piece 134 which is partially inserted into the second end 84 of the hollow profile body 80, is provided with a profile which is adapted to the profile of the hollow profile body 80.
  • a rotary driver element 174 is formed, which is designed as a web, for example.
  • a corresponding rotary driving element 176 is provided (not shown in FIG Fig. 3 ), which is designed as a groove.
  • the connecting sleeve 128 is provided with a rotary driving element 178 which is designed as a groove, for example.
  • a corresponding rotary driving element 180 which is designed as a web, is provided on the pressure piece 134.
  • the rotary driving elements 178, 180 engage one another when the pressure piece 134 is joined to the connecting sleeve 128, in particular to the pipe section 152 of the connecting sleeve 128.
  • the longitudinal extension of the groove-shaped rotary driver element 178 is significantly greater than the longitudinal extension of the web-like rotary driver element 180. This takes account of the fact that an axial relative movement takes place between the pressure piece 134 and the connecting sleeve 128 when the pretensioning element 140 is compressed.
  • the rotary driving elements 174, 176, 178, 180 extend in a longitudinal direction which runs parallel to the longitudinal axis 86. In this way, the rotational drive or the defined rotational position between the elements involved is secured.
  • FIG. 3 The embodiment shown has no snap hook 158 in the connecting sleeve 128.
  • this is not to be understood as restrictive. Nevertheless, it is conceivable to join the connecting sleeve 128 and the pressure piece 134 to one another without a snap connection, since at least in the assembled state (cf. Fig. 2 ) the connecting sleeve 128 cannot move so far that the pressure piece 134 threatens to loosen.
  • the drive unit 90 at the connector 104 is provided with a receiving piece 184 which can, for example, engage in a suitable recess at the second support 78.
  • Fig. 4 illustrates a double arrow labeled 184 the compensating movement / telescopic movement of the connecting sleeve 128 with respect to the hollow profile body 80.
  • Fig. 5 the connecting sleeve 128 and thus also the drive unit 90 is pushed into the hollow profile body 80 by an amount which, for example, enables simple assembly or disassembly without tools.
  • the assembly unit 120 ( Fig. 2 ) can be used for the first end 82 of the hollow profile body 80, which is assigned to the first support 76, in order to simplify the assembly and disassembly of the shaft assembly 74.
  • the assembly units 120, 122 are suitable for new assembly as well as for upgrading or retrofitting existing shaft assemblies.
  • the assembly units 120, 122 are characterized by a modular concept that includes the number of parts and variants is reduced.
  • FIG. 6 An exemplary embodiment of a connector sleeve 128 that is suitable for use with the second mounting unit 122 is illustrated.
  • FIGS. 7 and 8 show perspective representations. Fig. 7 shows the end facing the hollow profile body 80. Fig. 8 shows the end of the connecting sleeve 128 facing the second support 78.
  • the connecting sleeve 128 has a collar 146 and a pipe section 152. Snap hooks 158 are formed on the pipe section 152.
  • the connecting sleeve 128 has rotary driver elements 176 in the form of grooves which are designed to interact with rotary driver elements 174 in the rotary driver 108 of the drive unit 90, cf. Fig. 3 .
  • rotary driving elements in the form of grooves 178 are formed on the pipe section 152, which cooperate with corresponding rotary driving elements 180 of the pressure piece 134, compare again Fig. 3 .
  • the rotary driving elements 176 are provided on the inner circumference of the connecting sleeve 128.
  • the rotary driving elements 178 are provided on the outer circumference of the connecting sleeve 128.
  • FIGS. 9, 10 and 11 an exemplary embodiment of a connecting sleeve 126 is illustrated, which can be used in the first assembly unit 120, which can be coupled to the first end 82 of the hollow profile body 80, compare Fig. 2 .
  • Fig. 9 shows a longitudinal section of the connecting sleeve 126.
  • Fig. 10 shows a perspective view of the end of the connecting sleeve 126 facing the hollow profile body 80.
  • Fig. 11 shows a perspective view of the end of the connecting sleeve 126 facing the first support 76.
  • the connecting sleeve 126 has analogous to that already in FIG Fig. 2
  • the embodiment shown has the collar 144 and the pipe section 150, snap hooks 156 being formed on the pipe section 150.
  • the connecting sleeve 126 is provided with an interface.
  • the connecting sleeve 126 has a bearing seat 162 into which a bearing 168 (cf. also FIG Fig. 2 ) can be pressed in or can be pressed in.
  • the connecting sleeve 126 also has an axle mount 164, which can also be referred to as an axle mount.
  • the axle mount 164 is designed, for example, as a blind hole, at least provided with a depth stop.
  • the bearing seat 162 and the axle mount 164 are aligned concentrically with one another.
  • the bearing seat 162 and the axle mount 164 are axially offset from one another.
  • the bearing seat 162 is initially provided. This is followed by the axle mount 164.
  • the bearing seat 162 has a larger nominal dimension than the axle mount 164.
  • the Connecting sleeve 126 can be coupled to a bearing 168 or to an axle 172.
  • the bearing 168 and the axis 172 are each indicated by dashed lines.
  • the connecting sleeve 126 is suitable for both in Fig. 1 and Fig. 2 Types of fastening shown for the first support 14, 76.
  • the connecting sleeve 126 is very similar to the connecting sleeve 128.
  • Rotary driving elements 188 in the form of longitudinal grooves are provided in the pipe section 150, which correspond to the rotary driving elements 178 in the connecting sleeve 128.
  • connection sleeves 126, 128 are designed identically in the area of their outer circumference or their lateral surface. This can, for example, enable the multiple use of mold halves in injection molding. This reduces the amount of tools required.
  • the snap hooks 156, 158 for the snap connection with the pressure pieces 132, 134 can also be standardized accordingly.
  • the design of the front end assigned to the respective collar 144, 146 can be produced, for example, by various interchangeable inserts. The tooling effort can thus be minimized.
  • FIGS. 12, 13, 14 and 15 an exemplary embodiment of a pressure piece 134 is illustrated. It goes without saying that the pressure piece 132 can basically be designed identically. The pressure piece 134 can be used both in the assembly unit 120 and in the assembly unit 122.
  • Fig. 12 shows a side view of the pressure piece 134.
  • Fig. 13 shows a front view of the pressure piece 134.
  • Fig. 14 shows a perspective view of the end of the pressure piece 134, which is inserted into the hollow profile body 80 in the joined state.
  • Fig. 15 shows a perspective view of the end of the pressure piece 134, which faces the respective support 76, 78 in the joined state.
  • the pressure piece 134 comprises a collar 194, which can also be referred to as a collar. At its end, which faces away from the collar 194, the pressure piece 134 has an insertion bevel 196. In this way, the introduction into the respective edge area of the hollow profile body 80 is simplified. Also show the Figs. 12-15 In summary, that the axial extension of the pressure piece 134 is formed by a driver body 198 which, starting from the collar 194, extends in the direction of the insertion bevel 196.
  • the driving body 198 has a contour which is adapted to an inner profile of the hollow profile body 80.
  • the pressure piece 134 has rotary driving elements 180 in the form of webs.
  • the entrainment elements 180 can be coupled to the entrainment elements 178 in the connection sleeve 128 and the entrainment elements 188 in the connection sleeve 126 in order to enable rotary entrainment.
  • An assembly kit can be formed in a simple manner from the elements 126, 128, 132, 134, 138, 140 in order to assemble the shaft assembly 74.
  • Such an assembly kit is basically also suitable as a repair solution or upgrade solution for existing shaft assemblies, compare the shaft assembly 24 in Fig. 1 .
  • the assembly kit can include both assembly units 120, 122, that is to say provide a displaceable connecting sleeve 126, 128 both at the first end 82 and at the second end 84 of the hollow profile body 80. As already stated above, however, it is also possible to provide only one of the two assembly units 120, 122 in the assembly kit. This can also contribute significantly to simplifying assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP18165613.3A 2017-04-11 2018-04-04 Wellenbaugruppe, verschluss- oder schutzeinrichtung sowie montagesatz Active EP3388610B1 (de)

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DE102017107826.6A DE102017107826A1 (de) 2017-04-11 2017-04-11 Wellenbaugruppe, Verschluss- oder Schutzeinrichtung sowie Montagesatz

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EP3388610B1 true EP3388610B1 (de) 2020-09-02

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US10472886B2 (en) * 2017-03-29 2019-11-12 James A. Nelson Micro gap roller shade system and method of installation
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Publication number Publication date
CN108691496A (zh) 2018-10-23
CN108691496B (zh) 2020-05-22
DE102017107826A1 (de) 2018-10-11
EP3388610A1 (de) 2018-10-17
US10858885B2 (en) 2020-12-08
US20180291682A1 (en) 2018-10-11

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