EP2371462A2 - Appareil de nettoyage manuel pour le nettoyage de conduites - Google Patents

Appareil de nettoyage manuel pour le nettoyage de conduites Download PDF

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Publication number
EP2371462A2
EP2371462A2 EP11001820A EP11001820A EP2371462A2 EP 2371462 A2 EP2371462 A2 EP 2371462A2 EP 11001820 A EP11001820 A EP 11001820A EP 11001820 A EP11001820 A EP 11001820A EP 2371462 A2 EP2371462 A2 EP 2371462A2
Authority
EP
European Patent Office
Prior art keywords
shaft
spring shaft
cleaning device
roller
rollers
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.)
Granted
Application number
EP11001820A
Other languages
German (de)
English (en)
Other versions
EP2371462A3 (fr
EP2371462B1 (fr
Inventor
Stefan Herz
Olaf Bode
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.)
Rothenberger AG
Original Assignee
Rothenberger AG
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 Rothenberger AG filed Critical Rothenberger AG
Publication of EP2371462A2 publication Critical patent/EP2371462A2/fr
Publication of EP2371462A3 publication Critical patent/EP2371462A3/fr
Application granted granted Critical
Publication of EP2371462B1 publication Critical patent/EP2371462B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"

Definitions

  • the invention relates to a hand-held cleaning device for cleaning pipes by means of a spring shaft, equipped with a motor, a drum for receiving and outputting the spring shaft, with a chamber in which a plurality of radially acting on the spring shaft rollers are arranged with axes, the are arranged at radial distances from the axis of the spring shaft, wherein one of the rollers is mounted in a bearing block, whose radial distance from the axis of the spring shaft by a knob is variable.
  • the invention is therefore based on the object to provide a cleaning device of the type described above, is excluded by the overloading of the drive system by incorrect adjustment of the radial forces and / or exceeding of dimensional tolerances. This task can be done by the US 2002/0083538 A1 not be solved.
  • a device for torque limiting is arranged, by means of which the radial forces of the roller can be limited to predetermined maximum values.
  • FIG. 1 a complete cleaning device 1 is shown, to which a motor 2 with a handle 3 and a switch 4 belong, as is also known from hand drills ago.
  • a rotatable drum 5 is attached for receiving a spring shaft 6.
  • the drum 5 has a fixed attached guide tube 7 ( FIG. 2 ), which is coaxially surrounded by a handle tube 8, which is in the direction of the drum 5 is provided with a funnel-shaped hand guard 9.
  • This hand guard 9 partially covers the likewise funnel-shaped end wall 5a of the drum 5.
  • the handle tube 8 merges into a cylindrical chamber 10, in which the complete adjusting mechanism for the movement of the spring shaft 6 is housed.
  • An adjusting knob 11 is used to set a pressing force of the adjustable roller to the two stationary rollers, which will be explained in more detail below.
  • FIG. 1 in each case only the end of this spring shaft 6 is shown, and at the local thickening it can be seen that this end already has a tool function.
  • the axis of the adjustable roller 12 (in FIG. 2 , above) is in this case initially parallel to the axis of the spring shaft 6, so that no axial movement thereof takes place. If the handle tube 8 and the drum 5 are pushed together, the spring shaft 6 is withdrawn. If the handle tube 8 and the drum 5 are pulled apart, the spring shaft 6 is advanced.
  • the lower box in FIG. 1 explains the function of the adjustment knob 11: By the clockwise rotation in the direction of arrow “+” is an amplification of the contact force of the adjustable roller to the other two rollers. By turning it to the left in the direction of the arrow "-”, the contact force of the adjustable roller 12 is reduced to the other two rollers. All of these features are discussed below in connection with the FIG. 3 to be explained in detail, in which the previous reference numerals are retained.
  • the chamber 10 includes three rollers 12, 13 and 14, of which the roller 12 is rotatable about the radial axis AA.
  • the chamber 10 has an axially parallel rack 15, in which a tooth sector 16a of a bearing block 16 engages, in which the roller 12 is mounted. From the bearing block 16 is in the direction of the axis AA from a cylindrical pin 17, which is surrounded by an elastic member 18 which consists of a stack of spread disc springs.
  • the contact pressure to the other two, fixedly mounted rollers 13 and 14 regulate.
  • the FIG. 2 further shows a longitudinal axis "AL”, which is also the system axis and the axis of the spring shaft 6 and which determines the viewing direction here.
  • A longitudinal axis
  • the rollers 12, 13 and 14 are arranged with their axes A1, A2 and A3.
  • the rollers 13 and 14 are spatially fixed with their inner bearing rings by screwing on not visible here inclined surfaces.
  • the spatial position has been chosen so that their axes A2 and A3 intersect in a virtual point "P", but at the same time run obliquely and tangentially to a virtual cylindrical surface, which concentrically surrounds the axis "AL" with a corresponding distance.
  • rollers 13 and 14 are arranged mirror-symmetrically to each other, and rotate, driven by the contact with the spring shaft 6, in opposite directions of rotation. This results in frictional forces, one component of which runs parallel to the axis "AL.” These components extend in opposite directions, and thus do not generate any axial movements of the spring shaft 6 due to a force equilibrium.
  • axis AA which is a control axis and which also passes through the pin 17 of the bearing block 16 and also the axis "A1" of the roller 12 intersects.
  • the axes "AL" and “A1” run parallel to each other, so that the balance of forces is not disturbed.
  • this state changes as soon as the bearing block 16 with the roller 12 is pivoted about the axis "AA”.
  • the roller 12 supports either the transport direction and action of the roller 13 or the roller 14. This is true for both pivoting directions from the position of FIG. 2 out. This support is maximized as soon as the directions of rotation of two rolls, either 12 + 13 or 12 + 14, coincide.
  • the cylindrical pin 17 is surrounded by an elastic element 18 by a shaft 19 which has an external thread 20. With this it is guided in a pipe socket 21, which has a complementary internal thread 22.
  • the pipe socket 21 extends radially to the chamber 10.
  • the shaft 19 has a stepped concentric recess 23 which encloses the elastic element 18 with its widest diameter.
  • the pin 17 is surrounded by an annular groove 24 with an elastic ring 25 which at least makes it difficult to separate pin 17 and shaft 19.
  • the shaft 19 is rotationally surrounded by a short distance from its end by a support ring 26 on which a friction body 27 rests.
  • This consists of at least two conical disc springs 27a, on which the adjusting knob 11 is supported, which has a cavity 11a for this purpose, which is surrounded by a gripping cylinder 11 b, which has a profiling 11 c on its outer side.
  • a friction body 27 a precisely adjustable friction brake, a so-called slip clutch is formed, which represents a torque limit for the adjustment knob 11 as a result.
  • An inadvertent separation of the knob 11 and shaft 19 is prevented by a spreader ring 28, and a seal against the ingress of dirt is achieved by a sealing ring 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
EP11001820.7A 2010-03-29 2011-03-04 Appareil de nettoyage manuel pour le nettoyage de conduites Active EP2371462B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010013252.7A DE102010013252B4 (de) 2010-03-29 2010-03-29 Handgeführtes Reinigungsgerät für die Reinigung von Rohrleitungen

Publications (3)

Publication Number Publication Date
EP2371462A2 true EP2371462A2 (fr) 2011-10-05
EP2371462A3 EP2371462A3 (fr) 2013-01-23
EP2371462B1 EP2371462B1 (fr) 2014-05-21

Family

ID=44121717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001820.7A Active EP2371462B1 (fr) 2010-03-29 2011-03-04 Appareil de nettoyage manuel pour le nettoyage de conduites

Country Status (3)

Country Link
EP (1) EP2371462B1 (fr)
DE (1) DE102010013252B4 (fr)
ES (1) ES2492515T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226119A (zh) * 2018-10-22 2019-01-18 四川富利斯达石油科技发展有限公司 一种石油管道螺纹清洗装置
US10519646B2 (en) 2017-10-27 2019-12-31 Tti (Macao Commercial Offshore) Limited Cable feed mechanism for a drain cleaner
US12599940B2 (en) 2021-10-18 2026-04-14 Milwaukee Electric Tool Corporation Drain cleaner tool

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10626593B2 (en) 2016-04-05 2020-04-21 Black & Decker Inc. Powered drain auger
CN209363184U (zh) 2016-11-28 2019-09-10 米沃奇电动工具公司 排水管清洁器
USD830806S1 (en) 2017-02-15 2018-10-16 Black & Decker Inc. Drain auger
CN218945840U (zh) 2018-08-10 2023-05-02 米沃奇电动工具公司 排水管清洁组件和引导组件
CN216379912U (zh) 2019-04-19 2022-04-26 米沃奇电动工具公司 排水管清洁器的进给机构，排水管清洁器组件和相关系统
WO2020231966A1 (fr) 2019-05-15 2020-11-19 Milwaukee Electric Tool Corporation Dispositif de nettoyage de drains
CN118319029B (zh) * 2024-06-13 2024-08-16 兴化市嘉禾食品有限公司 一种果蔬加工用清洗搅拌设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020083538A1 (en) 2001-01-02 2002-07-04 Silverman Lee H. Drain cleaning apparatus with remotely adjustable feed control
DE102008015532A1 (de) 2008-03-25 2009-10-08 Rothenberger Ag Reinigungsgerät für die Reinigung von Rohrleitungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926372A (en) * 1957-02-21 1960-03-01 H D Conkey & Company Sewer cleaning machine
US4580306A (en) * 1984-01-19 1986-04-08 Lawrence Irwin F Waste line cleanout apparatus
US5031263A (en) * 1990-02-20 1991-07-16 Emerson Electric Co. Drain cleaning machine
ATE244109T1 (de) * 1997-04-17 2003-07-15 Bessey & Sohn Kantenzwinge
US7222383B2 (en) * 2003-04-01 2007-05-29 Hale C David Torque limiting drive pulley for a belt driven drain cleaning machine
DE102006059559A1 (de) * 2006-01-03 2007-07-05 Rothenberger Ag Verfahren zum Steuern der Antriebsleistung einer elektromotorischen Reinigungsmaschine und Reinigungsmaschine hierfür

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020083538A1 (en) 2001-01-02 2002-07-04 Silverman Lee H. Drain cleaning apparatus with remotely adjustable feed control
DE102008015532A1 (de) 2008-03-25 2009-10-08 Rothenberger Ag Reinigungsgerät für die Reinigung von Rohrleitungen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519646B2 (en) 2017-10-27 2019-12-31 Tti (Macao Commercial Offshore) Limited Cable feed mechanism for a drain cleaner
CN109226119A (zh) * 2018-10-22 2019-01-18 四川富利斯达石油科技发展有限公司 一种石油管道螺纹清洗装置
CN109226119B (zh) * 2018-10-22 2023-11-14 四川富利斯达石油科技发展有限公司 一种石油管道螺纹清洗装置
US12599940B2 (en) 2021-10-18 2026-04-14 Milwaukee Electric Tool Corporation Drain cleaner tool

Also Published As

Publication number Publication date
DE102010013252B4 (de) 2017-07-06
DE102010013252A1 (de) 2011-09-29
EP2371462A3 (fr) 2013-01-23
ES2492515T3 (es) 2014-09-09
EP2371462B1 (fr) 2014-05-21

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