EP0325744B1 - Cable winding mechanism for suction cleaner - Google Patents

Cable winding mechanism for suction cleaner Download PDF

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Publication number
EP0325744B1
EP0325744B1 EP88120521A EP88120521A EP0325744B1 EP 0325744 B1 EP0325744 B1 EP 0325744B1 EP 88120521 A EP88120521 A EP 88120521A EP 88120521 A EP88120521 A EP 88120521A EP 0325744 B1 EP0325744 B1 EP 0325744B1
Authority
EP
European Patent Office
Prior art keywords
cable
cable drum
side wall
brake
centrifugal brake
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.)
Expired - Lifetime
Application number
EP88120521A
Other languages
German (de)
French (fr)
Other versions
EP0325744A3 (en
EP0325744A2 (en
Inventor
Rolf-Jürgen Krämer
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to AT88120521T priority Critical patent/ATE84956T1/en
Publication of EP0325744A2 publication Critical patent/EP0325744A2/en
Publication of EP0325744A3 publication Critical patent/EP0325744A3/en
Application granted granted Critical
Publication of EP0325744B1 publication Critical patent/EP0325744B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4436—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
    • B65H75/4442—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel
    • B65H75/4447—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel centrifugally
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/26—Incorporation of winding devices for electric cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204

Definitions

  • the invention relates to a cable winder for vacuum cleaners, which unwinds and unwinds a cable on a spring-loaded cable drum.
  • Such cable winders are generally known in vacuum cleaners. Cable winders are also known which are additionally equipped with centrifugal weights which, using the centrifugal force, brake the rotational speed when the cable is pulled in and thus ensure a uniform pull-in speed with a certain tolerance. Since these cable winders are spring-loaded, care must be taken to ensure that when the cable is pulled out, the spring does not immediately pull it back again. This can be done using a brake on the cable. The cable is held in place by a clamping device and can only run back again by loosening this clamping device. However, this has the disadvantage that the cable is also stressed by the clamping. The cable drum can also be braked, for example FR-A-2.175.037. Such a brake works on the principle of the friction brake and when pulling out the cable, the pulling force should be greater than the frictional force of the brake. This force must be applied by the user. This is also disadvantageous.
  • centrifugal weights are activated when you pull out. Although they do not brake as strongly due to the slow pull-out speed, pulling out the cable is always associated with rattling noises.
  • the object of the invention is to design a cable winder so that it can be pulled out without loading and unloading a braking device.
  • the object is achieved by the features of claim 1. Due to the configuration according to claim 2, the flyweights are advantageously not in operation when the cable is pulled out.
  • Fig. 1 shows a cable drum (1) in a schematic manner. It consists of the winding base (2) and the side walls (3 and 4). Wrapping base (2) and side wall (4) form an integral part. In this case, the side wall (4) and the winding base (5) are firmly connected to the axle (5) and this is rotatably mounted in the housing (6).
  • a part (7) of the freewheel is fixedly arranged on the axis (5). This part (7) engages in holes (8) on the side part (3) which is rotatably arranged on the axis (5).
  • This freewheel is drawn out enlarged in FIG. 3.
  • the part (7) has arms (9) which engage in holes (8) on the side part (3) with elevations at their end (10) (elevations are not shown).
  • the side part (3) carries two centrifugal brake weights (11 and 12) according to FIG. The operation is explained using the centrifugal brake weight (11).
  • the centrifugal brake weight (11) is rotatably mounted about the axis (13). It has an elongated hole (14) which, in connection with the stop (15), permits limited pivoting.
  • the tension spring (16) pulls the centrifugal brake weight (11) into a position in which the nose (17) is removed from the surface (18), which is shown here as it is on the housing (6) from FIG. 1 is lifted off.
  • the heavy part (19) is moved outwards by centrifugal force, and the nose (17) brakes more or less strongly on the surface.
  • the function of the cable drum according to the invention is explained with reference to FIG. 1.
  • the side wall (3) is held by the brake (20). If the length of the cable (22) (which is only partially shown due to the clarity of the drawing) is extended, the side wall (5) with the winding base (2) moves in the direction A. Since both are arranged firmly on the axis (4) are, this also turns in this direction, and the part 7 would run free. Ie, the cable (22) could be pulled out, and the side wall (3) would stand still. When the cable (22) is pulled out, however, the return spring (21) tightens at the side wall (4) and, when the tensile force on the cable (22) decreases, tries to turn it back in the direction E.

Abstract

The cable drum for vacuum cleaners has a so-called centrifugal brake. The cable drum has a side wall which is detached from the rest of the cable drum and is connected only via a freewheel. Said side wall also bears the centrifugal brake weights. The remaining part of the cable drum is connected to a rewindable restoring spring. <IMAGE>

Description

Die Erfindung betrifft einen Kabelspuler für Staubsauger, welcher auf einer federbelasteten Kabeltrommel ein Kabel auf- und abrollt.The invention relates to a cable winder for vacuum cleaners, which unwinds and unwinds a cable on a spring-loaded cable drum.

Solche Kabelspuler sind allgemein bei Staubsaugern bekannt. Es sind auch Kabelspuler bekannt, welche zusätzlich mit Fliehgewichten ausgestattet sind, die unter Ausnutzung der Fliehkraft die Drehgeschwindigkeit beim Einziehen des Kabels bremsen und so für eine in einer gewissen Toleranz gleichmäßige Einzugsgeschwindigkeit sorgen.
Da diese Kabelspuler federbelastet sind, muß dafür gesorgt werden, daß beim Ausziehen des Kabels die Feder dieses nicht sogleich wieder zurückzieht.
Dies kann durch eine Bremse am Kabel geschehen. Durch eine Klemmvorrichtung wird das Kabel festgehalten und kann nur durch Lösen dieser Klemmvorrichtung wieder zurücklaufen.
Dies hat jedoch den Nachteil, daß das Kabel durch die Klemmung auch stark beansprucht wird.
Weiterhin kann die Kabeltrommel gebremst werden Siche zum Beispiel FR-A-2.175.037. Solch eine Bremse funktioniert nach dem Prinzip der Reibungsbremse und beim Ausziehen des Kabels müßte die Auszugskraft größer sein als die Reibkraft der Bremse. Diese Kraft muß vom Benutzer aufgebracht werden.
Auch dies ist nachteilig.Such cable winders are generally known in vacuum cleaners. Cable winders are also known which are additionally equipped with centrifugal weights which, using the centrifugal force, brake the rotational speed when the cable is pulled in and thus ensure a uniform pull-in speed with a certain tolerance.
Since these cable winders are spring-loaded, care must be taken to ensure that when the cable is pulled out, the spring does not immediately pull it back again.
This can be done using a brake on the cable. The cable is held in place by a clamping device and can only run back again by loosening this clamping device.
However, this has the disadvantage that the cable is also stressed by the clamping.
The cable drum can also be braked, for example FR-A-2.175.037. Such a brake works on the principle of the friction brake and when pulling out the cable, the pulling force should be greater than the frictional force of the brake. This force must be applied by the user.
This is also disadvantageous.

Außerdem werden die Fliehgewichte auch beim Ausziehen in Tätigkeit gesetzt. Sie bremsen zwar aufgrund der geringen Auszugsgeschwindigkeit nicht so stark, jedoch ist das Ausziehen des Kabels immer mit Klappergeräuschen verbunden.In addition, the centrifugal weights are activated when you pull out. Although they do not brake as strongly due to the slow pull-out speed, pulling out the cable is always associated with rattling noises.

Aufgabe der Erfindung ist es nun, einen Kabelspuler so zu gestalten, daß das ausgezogen werden kann, ohne eine Bremsvorrichtung zu be- und entlasten.The object of the invention is to design a cable winder so that it can be pulled out without loading and unloading a braking device.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruchs 1 gelöst.
Durch die Ausgestaltung nach Anspruch 2 sind vorteilhafterweise die Fliehgewichte beim Ausziehen des Kabels nicht in Funktion.According to the invention the object is achieved by the features of claim 1.
Due to the configuration according to claim 2, the flyweights are advantageously not in operation when the cable is pulled out.

Nachstehend ist ein Ausführungsbeispiel der Erfindung gezeichnet und beschreiben.An exemplary embodiment of the invention is drawn and described below.

Es zeigt:

Fig. 1:
eine schematische perspektivische Ansicht eines Kabelspulers,
Fig. 2:
Die Ansicht auf die Seite mit den Fliehgewichten,
Fig. 3:
eine vergrößerte Einzelheit aus Fig. 1.
It shows:
Fig. 1:
1 shows a schematic perspective view of a cable spool,
Fig. 2:
The view on the side with the flyweights,
Fig. 3:
an enlarged detail of Fig. 1st

Fig. 1 zeigt in schematischer Weise eine Kabeltrommel (1). Sie besteht aus dem Wickelgrund (2) und den Seitenwänden (3 und 4). Wickelgrund (2) und Seitenwand (4) bilden ein einstückiges Teil. In diesem Fall sind Seitenwand (4) und Wickelgrund (5) fest mit der Achse (5) verbunden, und diese ist drehbar im Gehäuse (6) gelagert. Auf der Achse (5) ist ein Teil (7) des Freilaufs fest angeordnet. Dieses Teil (7) greift in Löcher (8) am Seitenteil (3), welches drehbar auf der Achse (5) angeordnet ist. In Fig. 3 ist dieser Freilauf vergrößert herausgezeichnet. Das Teil (7) weist Arme (9) auf, welche mit Erhöhungen an ihrem Ende (10) (Erhöhungen sind nicht dargestellt) in Löcher (8) am Seitenteil (3) eingreifen. Durch die nicht dargestellten Erhöhungen wird somit eine Drehrichtung gesperrt und eine Drehrichtung freigegeben. Das Seitenteil (3) trägt nach Fig. 2 zwei Fliehkraftbremsgewichte (11 und 12). Die Funktionsweise wird anhand des Fliehkraftbremsgewichts (11) erklärt. Das Fliehkraftbremsgewicht (11) ist um die Achse (13) drehbar gelagert. Es weist ein Langloch (14) auf, welches in Verbindung mit dem Anschlag (15) eine begrenzte Verschwenkung zuläßt. Durch die Zugfeder (16) wird das Fliehkraftbremsgewicht (11) in eine Stellung gezogen, in der die Nase (17) von der Oberfläche (18), welche hier geschnitten dargestellt ist, da sie sich am Gehäuse (6) aus Fig. 1 befindet, abgehoben ist. Bei Drehung wird der schwere Teil (19) durch die Fliehkraft nach außen bewegt, und die Nase (17) bremst mehr oder weniger stark an der Oberfläche.Fig. 1 shows a cable drum (1) in a schematic manner. It consists of the winding base (2) and the side walls (3 and 4). Wrapping base (2) and side wall (4) form an integral part. In this case, the side wall (4) and the winding base (5) are firmly connected to the axle (5) and this is rotatably mounted in the housing (6). A part (7) of the freewheel is fixedly arranged on the axis (5). This part (7) engages in holes (8) on the side part (3) which is rotatably arranged on the axis (5). This freewheel is drawn out enlarged in FIG. 3. The part (7) has arms (9) which engage in holes (8) on the side part (3) with elevations at their end (10) (elevations are not shown). By the increases, not shown, a direction of rotation is blocked and one Direction of rotation released. The side part (3) carries two centrifugal brake weights (11 and 12) according to FIG. The operation is explained using the centrifugal brake weight (11). The centrifugal brake weight (11) is rotatably mounted about the axis (13). It has an elongated hole (14) which, in connection with the stop (15), permits limited pivoting. The tension spring (16) pulls the centrifugal brake weight (11) into a position in which the nose (17) is removed from the surface (18), which is shown here as it is on the housing (6) from FIG. 1 is lifted off. When rotating, the heavy part (19) is moved outwards by centrifugal force, and the nose (17) brakes more or less strongly on the surface.

Die Funktion der erfindungsgemäßen Kabeltrommel wird anhand von Fig. 1 erklärt.
Die Seitenwand (3) wird durch die Bremse (20) festgehalten. Würde nun das Kabel (22) (welches wegen der Übersichtlichkeit der Zeichnung nur teilweise dargestellt ist) in seiner Länge ausgezogen, so bewegt sich Seitenwand (5) mit Wickelgrund (2) in Richtung A. Da beide fest auf der Achse (4) angeordnet sind, dreht sich diese ebenfalls in diese Richtung, und das Teil 7 würde freilaufen. D.h., das Kabel (22) könnte herausgezogen werden, und die Seitenwand (3) bliebe gebremst stehen. Bei Herausziehen des Kabels (22) spannt sich jedoch gleichzeitig die Rückholfeder (21) an der Seitenwand (4) und versucht, wenn die Zugkraft auf das Kabel (22) nachläßt, diese in Richtung E zurückzudrehen.
Dadurch würde auch die Achse (5) in diese Richtung zurückgedreht, wird jedoch samt Seitenwand (4) und Wickelgrund (2) durch das Teil (7) daran gehindert. Erst wenn die Bremse (20) gelöst wird, kann die gesamte Kabeltrommel (1) mit beiden Seitenwänden in Richtung E zurücklaufen und somit auch die Fliehkraftbremsgewichte (11,12) in Tätigkeit setzen.The function of the cable drum according to the invention is explained with reference to FIG. 1.
The side wall (3) is held by the brake (20). If the length of the cable (22) (which is only partially shown due to the clarity of the drawing) is extended, the side wall (5) with the winding base (2) moves in the direction A. Since both are arranged firmly on the axis (4) are, this also turns in this direction, and the part 7 would run free. Ie, the cable (22) could be pulled out, and the side wall (3) would stand still. When the cable (22) is pulled out, however, the return spring (21) tightens at the side wall (4) and, when the tensile force on the cable (22) decreases, tries to turn it back in the direction E.
This would also turn the axis (5) back in this direction, but is prevented by the part (7) together with the side wall (4) and winding base (2). Only when the brake (20) is released can the entire cable drum (1) with both side walls run back in direction E and thus also activate the centrifugal brake weights (11, 12).

Claims (2)

  1. A cable drum having a so-called centrifugal brake, characterized in that one side wall (3) of the cable drum (1) is detached from the rest of the cable drum (1), being linked thereto over a freewheel.
  2. A cable drum having a so-called centrifugal brake according to claim 1, characterized in that the side wall (3) carries the centrifugal brake weights (11, 12) and the rest of the cable drum (1) is connected to a return spring (21).
EP88120521A 1988-01-25 1988-12-08 Cable winding mechanism for suction cleaner Expired - Lifetime EP0325744B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88120521T ATE84956T1 (en) 1988-01-25 1988-12-08 CABLE REEL FOR VACUUM CLEANER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802012 1988-01-25
DE3802012A DE3802012A1 (en) 1988-01-25 1988-01-25 CABLE REEL FOR VACUUM CLEANER

Publications (3)

Publication Number Publication Date
EP0325744A2 EP0325744A2 (en) 1989-08-02
EP0325744A3 EP0325744A3 (en) 1991-03-20
EP0325744B1 true EP0325744B1 (en) 1993-01-27

Family

ID=6345899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120521A Expired - Lifetime EP0325744B1 (en) 1988-01-25 1988-12-08 Cable winding mechanism for suction cleaner

Country Status (6)

Country Link
EP (1) EP0325744B1 (en)
JP (1) JPH01308517A (en)
AT (1) ATE84956T1 (en)
DE (2) DE3802012A1 (en)
ES (1) ES2038277T3 (en)
NO (1) NO173313C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1398081B1 (en) * 2010-01-27 2013-02-07 Mavel Srl SAFETY DEVICE FOR AUTOMATIC REWINDERS FOR CABLES, TUBES AND THE LIKE, AND AUTOMATIC REWINDER FOR CABLES, TUBES AND THE LIKE, EQUIPPED WITH THIS DEVICE
TWI635035B (en) * 2017-11-09 2018-09-11 新意創新有限公司 Wire storage device
DE102019118445A1 (en) * 2019-07-08 2021-01-14 Holtkötter Licht GmbH Device for holding a lamp
CN113443525A (en) * 2021-07-22 2021-09-28 士商（湖州）精密技术有限公司 Slow recovery mechanism, locking slow recovery device and winding device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795831A (en) * 1972-03-04 1973-06-18 Vorwerk & Co Elektrowerke Kg COILING DEVICE FOR THE CABLE, ESPECIALLY VACUUM CLEANERS
NL7812061A (en) * 1978-12-12 1980-06-16 Philips Nv CORD REEL.
SE8100449L (en) * 1980-02-04 1981-08-05 Doppelmayr & Sohn DEVICE FOR EXTRACTION AND EXTRACTION OF DRAGLINES FOR DRAW LIFTS
DE3040143A1 (en) * 1980-10-24 1982-05-27 Desco-Werk Seger & Angermeyer Gmbh & Co, 7516 Karlsbad DEVICE WITH A FLYING BRAKE, ESPECIALLY FOR THE SELF-REWINDING OF A CONNECTION LINE

Also Published As

Publication number Publication date
EP0325744A3 (en) 1991-03-20
DE3802012A1 (en) 1989-07-27
EP0325744A2 (en) 1989-08-02
JPH01308517A (en) 1989-12-13
NO890276D0 (en) 1989-01-20
NO173313C (en) 1993-12-01
NO890276L (en) 1989-07-26
DE3877939D1 (en) 1993-03-11
ES2038277T3 (en) 1993-07-16
ATE84956T1 (en) 1993-02-15
NO173313B (en) 1993-08-23

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