EP3406839A1 - Unité d'obturation à changement de moteur simplifié - Google Patents

Unité d'obturation à changement de moteur simplifié Download PDF

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Publication number
EP3406839A1
EP3406839A1 EP18172999.7A EP18172999A EP3406839A1 EP 3406839 A1 EP3406839 A1 EP 3406839A1 EP 18172999 A EP18172999 A EP 18172999A EP 3406839 A1 EP3406839 A1 EP 3406839A1
Authority
EP
European Patent Office
Prior art keywords
roller shutter
drum
power cable
shaft
bearing
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.)
Withdrawn
Application number
EP18172999.7A
Other languages
German (de)
English (en)
Inventor
Siegfried Stenger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3406839A1 publication Critical patent/EP3406839A1/fr
Withdrawn legal-status Critical Current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
    • E06B9/02—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
    • E06B9/17007—Shutter boxes; Details or component parts thereof
    • 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
    • E06B9/174—Bearings specially adapted therefor
    • 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

Definitions

  • the present invention relates to a roller shutter unit according to the preamble of claim 1, as well as a method for changing a motor of such a roller shutter unit and a tool for use in this method.
  • roller shutter units in which the cable of the roller shutter motor inside the roller shutter box by means of an electric clutch is separable.
  • the disadvantage of this system is that the above-described problem of shaft lock with a defective motor is thereby solved in any way. If the engine is defective, pulling out the roller shutter motor from the slide-in frame is still prevented by the small width of the inspection opening when the roller shutter shell is wound up.
  • the present invention therefore has the task of developing a roller shutter unit, which is a comparatively quick and easy change of the roller shutter motor by the lowest possible number of workers permitted.
  • the present invention presents a roller shutter unit according to claim 1, wherein a motor change according to claim 11 is carried out using the tool described in claim 15.
  • the roller shutter unit according to the invention sees as a major innovation in the inner front side of the roller shutter box, to which the power cable of the roller shutter motor is guided, ie the inside of the power cable side header, hereinafter also referred to as the proximal inner or inner face, one from the inspection opening to an electrical connection point reaching groove in which the power cable is guided by a lying in the region of the bearing of the shaft of the drum point according to the invention to the connection point.
  • the connection point can be either in the form of an opening in the end face of the roller shutter box, through which the power cable is led to the outside, or the connection point is a plug or a socket into which a complementary counterpart at the end of power cable can be inserted.
  • This groove which is advantageously carried out as a straight groove, now allows a craftsman without visual feedback, so to speak blind, a tool with an elongated shaft and a sharp edge at the top led by the groove to push the power cable and this targeted to cap ,
  • This apparent simple act would hardly be possible without the groove according to the invention due to the tight space conditions on the one hand and on the other hand the fact that the work can only be done groping.
  • the groove of the roller shutter box according to the invention extends from an opening at the inspection opening to the connection point of the power cable on the inner front side of the roller shutter box.
  • a straight course is advantageously chosen, so that a tool with a straight shank can be used.
  • the groove can be laterally offset past the camp or in the vicinity of the bearing. Or else, z.
  • the connection point is in a straight line of sight from the mouth of the groove on the inspection opening behind the bearing, it is also possible to pass the groove under the camp.
  • the groove extends at least in part, namely in the region of the bearing, in the interior of the proximal inner end face, ie in the interior of the proximal head piece. If the groove is to be largely open and thus accessible from the lateral direction, this is only compatible with a straight run if the cross section of the groove changes in its course, in particular in the region of the bearing, at least in its extent in the normal direction of the inner end face.
  • cross-section is rectangular, but a round, semicircular or horizontal cross-section or varying cross-section between this shape is also consistent with the spirit of the invention.
  • the term "groove” is to be interpreted in the context of the invention also to the effect that it is to be understood functionally.
  • the invention also includes such solutions consisting of pairs of clamps or jaws which are spaced from each other, whose center axes describe a common straight line which defines the direction of the groove. A two-sided and extending over the entire length of the power cable lateral support is not required.
  • connection point For a particularly simple connection of the power cable of the roller shutter motor both during initial installation and after changing a defective motor, the present invention proposes to carry out the connection point as a plug connection.
  • a socket or plug is attached to the inside of the roller shutter box.
  • a matching counterpart is inserted at the end of the power cable in the assembled state.
  • This connection can be made in a simplest embodiment by the fitter by hand, after or just before the shaft of the drum is inserted into the bearings.
  • this connection is done but in one step with the insertion or insertion of the drum, so that the connection of plug or socket on the power cord and socket or plug at the connection point is inevitable.
  • the change of a defective roller shutter motor is done according to the invention in several steps. First, a panel is removed in front of the inspection opening. Then the locking of the shaft of the roller shutter motor is released and then introduced an elongated tool with a sharp edge at the top in the groove according to the invention and pushed to the point at which the power cable of the roller shutter motor enters the groove. At this point, the cable is cut by means of the tool, whereby it is achieved that the shutter motor and thus the drum is now freely rotatable again. A possibly rolled up on the drum roller shutter can now be unrolled easily by hand and removed. Then the drum is removed with adjoining roller shutter motor here the inspection opening and the engine replaced with a new one.
  • connection point must be prepared, in particular by the fact that the remaining cable in the groove remains removed and if necessary the plug is pulled. If the cable is led out as a whole from the shutter box through an opening, present invention proposes to close the now loose end, if necessary after cutting the cable to a plug or a socket and this safely on the inner end of the shutter box at the bottom to fasten the groove. In the next step, the drum with the new motor is now introduced again through the inspection opening in the roller shutter box and inserted into the bearings.
  • the power cable of the new motor from a certain point, which is preferably in the vicinity of the camp, pushed to the connection point in the groove of the inner end of the shutter box, so that in a future eventual defect again a simple and rapid targeted capping of the cable is made possible.
  • the roller shutter is placed back on the drum and, again with motor power, wound and finally closed the inspection opening again with the panel.
  • the caps of the power cable in the present invention introduced into the inner end face of the roller shutter box groove can be done with any tool that can be pushed through the groove to the entry point of the power cable into the groove and is suitable for severing a cable.
  • tools with an elongate shaft with a sharp cutting edge at the upper end are suitable for this purpose.
  • this can be a screwdriver with a sufficiently long shaft and a correspondingly ground head.
  • the tool according to the invention is ideally used according to claim 15. This has an elongate shaft with a cross section, which in its shape substantially corresponds to the cross section of the groove, only slightly smaller dimensions.
  • the length of the shaft is in this case selected to be greater than or equal to the distance from the mouth of the groove according to the invention at the inspection opening to the entry point of the power cable into the groove.
  • roller shutter assembly according to the invention and of the method for changing a roller shutter motor with the aid of or using the tool according to the invention are obvious.
  • it can be rotated freely again by selectively capping and unlocking the power cable of the motor.
  • the roller shutter armor can be easily unrolled and removed. In any case, then a removal of the drum is possible with motor contained therein. A complex cutting and thus destroying the roller shutter is now no longer necessary, which drastically reduces the assembly time for a new engine.
  • a preferred embodiment is to attach to the proximal inner end face a housing, which realize the bearing, the associated blocking, the groove and thus also the connection points in the groove.
  • a housing which realize the bearing, the associated blocking, the groove and thus also the connection points in the groove.
  • connection point of the power cable There are two options for the connection point of the power cable.
  • the first which corresponds to the prior art, is to have an opening in the front of the Provide roller shutter box through which the one-piece power cable is led out of the shutter box and laid outside under plaster. It may be advantageous to provide within or directly outside the shutter box a cavity in which an excess length of the cable can be accommodated in the form of one or more cable loops. If the cable is longer than is absolutely necessary, it can be pulled out when reconnecting a new shutter motor, this excess length to allow a direct view of the fitter on the connection point of the power cable. To insert the drum with the new motor, this excess length is then pushed back into the described cavity. An even more elegant solution would be to provide in this cavity a cable drum, in particular a spring-loaded cable drum.
  • an electrical coupling may be provided at the connection point, preferably in the form of a plug or a socket on a led out of the shutter box part of the power cable, which is fixed to the inside of the shutter box and with a matching at the end of the part connected to the shutter Counterpart cooperates to make an electrical connection.
  • the plug is in this case preferably attached to the inside of the roller shutter box, that the cooperating counterpart is inserted automatically when inserting the drum and inserting the shaft into the camp.
  • the power cable side bearing is formed by a slider which is fitted in a matching recess in the inner end face of the roller shutter box. This recess continues from the area of the bearing to the inspection opening, so that the slider, as his name implies, from the inspection opening slidably inserted into the recess.
  • a round opening is preferably provided in the slider, so that the shaft of the motor is freely rotatable after unlocking.
  • the upper part of the slider is preferably designed as a rail, for example as a U-shaped rail. This upper part of the slider is of length chosen so that it extends from the pivot point of the axis, that is from the position of the bearing in the inserted state of the slider to approximately the inspection opening.
  • the slider has a below the bearing to the connection point of the power cable continuing part in which the groove according to the invention is introduced.
  • Another significant advantage of using a slider is that the fixation, ie the inhibition of the sliding movement can be realized by a single screw, which only has to prevent the move. Other forces need not be absorbed by this screw and it can therefore be correspondingly weak dimensioned.
  • a lock is preferably a locking block, which is performed accurately in the running as a rail upper part of the slider. This block has at the lower end of a locking bolt, which is inserted through a complementary hole in the shaft and thus blocks the shaft against rotation relative to the roller shutter box.
  • the insertion of the drum by means of a slider just described generally requires a tilting of the drum, since first the opposite end of the shaft must be inserted into the local bearing before the slider is inserted. A reversal of these steps is generally not possible, unless this opposite bearing is also designed as a rail or slider.
  • the present invention therefore prefers to design the bearing in the end face of the roller shutter box opposite the power cable-side end face as a rail which extends from the bearing to the inspection opening.
  • this rail is provided with a collar, which are engaged behind by a disk-shaped concealed end of the existing shaft end there. As a result, an axial displacement of the shaft is prevented and ensures a secure hold of the drum.
  • the present invention proposes to design the shaft in two parts, one part being connected to the motor and projecting over the drum on the power cable side end face, and the other part of the shaft projecting on the opposite side and inserted into the bearing there.
  • This part is preferably spring-mounted inside the drum, so that it is axially displaceable relative to the drum against the spring force. This allows a particularly simple insertion of the drum and it can also be compensated for different lengths of the shutter box.
  • a variation of the method according to the invention for changing a defective roller shutter motor provides to use a roller shutter unit according to the invention with slider, so that the removal of the drum and reinserting done by the slider is pulled out of its recess or pushed back into it.
  • the insertion or pushing in of the power cable into the groove preferably takes place here before reinserting, however, after the insertion of the power cable-side end of the shaft into the bearing present in the slider.
  • a further preferred embodiment provides to use a roller shutter unit, in which the bearing opposite the power cable side bearing is designed as a rail or slider.
  • roller shutter unit in which both bearings are designed as a rail or slider, so that the insertion and removal of the drum, including the electric motor can be done without tilting.
  • FIG. 1 a particularly preferred embodiment of a roller shutter unit according to the invention is shown.
  • the main view shows the roller shutter box 11 with inspection opening 110.
  • the inside 116 of the proximal, ie motor or power cable side head piece can be recognized by the inspection opening 110, hereinafter also referred to as the proximal (inner) end face 116.
  • the power cable 143 of the drum-mounted electric motor 14 is led out of the drum and to an inner end face 116 of the shutter box 11.
  • the proximal head of the roller shutter unit is shown in detail A enlarged.
  • the bearing 118 there is designed as a round opening in a slider 117, which is fitted in a complementary recess 1160 on the inner end face 116.
  • the slider 117 has two portions which differ in cross section from groove 111.
  • An upper portion is designed as a U-shaped rail and extends extending from the upper end of the slider to just above the bearing 118.
  • the second section extends from there to the lower end of slider 117, which extends in the inserted state of the inspection opening 110 to the connection point 112.
  • Groove 111 extends as shown here laterally offset from bearing 118 over so that they can be made open at the top, ie in the direction of the normal to the inside of the proximal head piece. However, it is also conceivable to execute groove 111 so that it passes under bearing 118, which is then designed in the form of an opening in a groove 111 crossing bridge.
  • Groove 111 extends with inserted slider 117 from the inspection opening to a connection point 112 at which an electrical coupling takes place in the form of a socket with complementary plug between a motor-side part and a roller shutter side part of the power cable 143.
  • the cross section of groove 111 is rectangular, but decreases significantly from the camp to the connection point.
  • groove 111 is wide enough to receive and laterally guide a latch block 1172 of a parallelepiped part and a downwardly projecting pin.
  • the lower part of groove 111 is about the width of the power cable, so that it is held firmly in the groove after clamping.
  • the motor-side part of the power cable 143 is cut to length so that the lower end of the cable extends to the connection point 112. There, a socket is attached, which automatically defers on insertion of the slider on a plug of the roller shutter box-side part of the power cable 143, so that the electrical connection takes place upon correct insertion of the slider inevitably.
  • the distal portion of shaft 15, which is made in two parts, has at its upper end a disc-shaped thickening in the form of roller capsule 151, which is a ball bearing for low-friction storage of the Shaft end contains and which in a from the inspection opening to the bearing 110 reaching rail 115 can be inserted.
  • FIG. 2 shows a preferred embodiment of the invention tool for capping the power cable. It is designed to be compatible for use with a slider 117 of FIG. It has a handle part 20 and a shaft 21, wherein the two are either rigidly connected (execution according to part A) or pivotally connected to each other by means of hinge 23 (execution according to part B).
  • the shaft 21 is in turn in two parts with a handle-side part and a handle-remote part.
  • the handle-side part has a rectangular cross section, which is complementary in the u-rail-shaped portion of the slider 117.
  • the handle-distal part is sized to fit in the tapered part of groove 111 of the slider 117.
  • blade 22 At the upper end of the handle-less part is blade 22, which makes it easy and effective to cap the power cord.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP18172999.7A 2017-05-22 2018-05-17 Unité d'obturation à changement de moteur simplifié Withdrawn EP3406839A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017111150.6A DE102017111150A1 (de) 2017-05-22 2017-05-22 Rollladenaggregat mit vereinfachtem Motorwechsel

Publications (1)

Publication Number Publication Date
EP3406839A1 true EP3406839A1 (fr) 2018-11-28

Family

ID=62200307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18172999.7A Withdrawn EP3406839A1 (fr) 2017-05-22 2018-05-17 Unité d'obturation à changement de moteur simplifié

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EP (1) EP3406839A1 (fr)
DE (1) DE102017111150A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29804060U1 (de) * 1998-03-07 1998-07-16 elket Kunststoff-Technik GmbH & Co. KG, 44143 Dortmund Rolladenaggregat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29804060U1 (de) * 1998-03-07 1998-07-16 elket Kunststoff-Technik GmbH & Co. KG, 44143 Dortmund Rolladenaggregat

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DE102017111150A1 (de) 2018-11-22

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