WO2015169593A1 - Tube - Google Patents

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Publication number
WO2015169593A1
WO2015169593A1 PCT/EP2015/058658 EP2015058658W WO2015169593A1 WO 2015169593 A1 WO2015169593 A1 WO 2015169593A1 EP 2015058658 W EP2015058658 W EP 2015058658W WO 2015169593 A1 WO2015169593 A1 WO 2015169593A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
coupling
parts
pipe according
pipe parts
Prior art date
Application number
PCT/EP2015/058658
Other languages
German (de)
English (en)
Inventor
Andreas Eisenhut
Christoph Zimmermann
Pekka Kemppainen
Ismo Reponen
Original Assignee
Carl Freudenberg Kg
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 Carl Freudenberg Kg filed Critical Carl Freudenberg Kg
Publication of WO2015169593A1 publication Critical patent/WO2015169593A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes

Definitions

  • the invention relates to a pipe which is designed in several parts and comprises at least two pipe parts and at least one coupling, wherein the pipe parts are connected by the coupling to the pipe.
  • Such a tube is generally known, for example from EP 1 799 090 B1, and designed as a handle for a cleaning device.
  • the prior art comprises at least one variable lengthwise of the tube
  • Telescopic part which forms the upper handle of the tube and also two parts which are rigid in the longitudinal direction of the tube.
  • the telescopic part and the rigid parts are non-destructively releasably connected to each other, with the telescoping member joining longitudinally in the direction of a surface to be cleaned, the two rigid parts. Due to the multi-part of the tube this has a total of only a small pack size. Following the intended use of the pipe, there is always the possibility of disassembling the pipe into its individual pipe parts.
  • Another tube according to the preamble of claim 1 is known from WO 2004/062821 A2 and also formed as a stem.
  • the pipe is part of a cleaning device and comprises three pipe parts, which are connected by couplings with each other to the pipe. If necessary, there is always the opportunity to disassemble the pipe into its individual parts; the pipe parts can be separated again and again non-destructively as needed.
  • a small packing size of the tube is called.
  • the clutches are designed as friction clutches.
  • the pipe parts are therefore non-destructive releasably connected to each other by traction.
  • the invention is based on the object to develop a pipe of the known type such that this is good even
  • the pipe parts are inextricably linked by the coupling after their first installation to the pipe.
  • Multi-part pipes have the advantage that they have only a small pack size in the not yet assembled state.
  • the small pack size reduces packaging and shipping costs for the manufacturer of the pipe or, for example, a device comprising the pipe to a minimum.
  • the tube of the invention combines an advantageous, low pack size with a safe and durable use. Are the pipe parts completed by the coupling to the pipe, this differs from the
  • the coupling comprises two coupling halves, wherein the coupling halves are arranged on the axially facing sides of the pipe parts.
  • the coupling halves are preferably inextricably linked by a positive connection.
  • the connection of the coupling halves is particularly durable due to the positive connection. Environmental influences have practically no influence on the durability of the coupling halves. Even if the coupling halves are exposed to different temperatures and / or are subjected to moisture, this has no effect on the durability of the at least two pipe parts to each other, the
  • the positive connection can be effective in the circumferential direction and / or in the axial direction of the pipe parts. This depends on the particular circumstances of the application. If the two pipe parts screwed together, for example, the positive locking is preferably in the circumferential direction to prevent the two pipe parts against their
  • the positive locking is preferably effective in the axial direction.
  • the at least two pipe parts are pushed axially into one another until the positive connection, for example by a latching connection, is made. A non-destructive loosening of the pipe parts against the mounting direction is then no longer possible.
  • the positive connection can by latching noses of a coupling half and congruent to the locking lugs shaped recesses of the other
  • the positive connection is generally carried out in such a way that the pipe parts connected to one another are connected to one another in the circumferential direction and in the axial direction without play.
  • a working device connected to the pipe for example a cleaning device, can be guided particularly precisely.
  • the detents may be barb-shaped.
  • the barb-shaped locking lugs engage in the associated recesses by a clicking sound; through the Barbed form is a non-destructive disassembly of the pipe parts no longer possible.
  • the coupling may be designed in the manner of a freewheel, wherein the
  • ready-to-use pipe can be screwed together, but no longer destructively formed detachable from each other.
  • the pawls of the freewheel-like coupling prevent rotation of the pipe parts against the screwing.
  • the coupling halves can be fixed to each other by a respective thread, wherein the latching noses and the recesses on each other
  • a coupling half may be formed, for example, as a stud with Au OHgewinde, a coupling half as a nut with internal thread, wherein the respective threads have the micro-raster.
  • the coupling halves are screwed together when mounting the tube to a stop. The micro-screening ensures that the pipe parts do not violate their intended use of the pipe
  • the locking can, as described above, take place in the circumferential direction, but for example also in the axial direction, when the two pipe parts are plugged together in the axial direction of the pipe.
  • the threads used can have conventional thread forms and, for example, be conical or metric.
  • the coupling with its coupling halves may be formed as a separately generated item and consist of a polymeric material. Such couplings are simple and inexpensive to manufacture, have a low weight, are corrosion resistant, and the coupling halves can be easily engaged with each other.
  • At least one of the tube parts is designed as a telescopic part variable in its length.
  • the telescopic part can be connected, for example, with two rigid pipe parts.
  • manufacturing tolerances can be easily compensated.
  • the invention relates to the use of a tube, as described above.
  • the tube can be used as a handle for a cleaning device or as a rack for a clothes horse or a shelf use.
  • FIG. 1 an embodiment of a pipe according to the invention in FIG. 1
  • Figure 2 shows the tube of Fig. 1 in an exploded isometric view.
  • Figure 3 shows the coupling with the two coupling halves in the unassembled state in an isometric view.
  • Figure 4 shows the coupling with the two coupling halves in
  • the tube is designed in several parts and comprises in the shown
  • FIG. 1 shows the ready-to-use tube.
  • FIG 2 which shows the tube in an exploded view
  • Figure 3 in which the non-coupling coupling coupling halves are shown
  • the micro-grid 13 is shown in the manner of a cable tie.
  • Figure 4 shows the coupling with the two coupling halves in the assembled state in an isometric view. This micro-rastering 13 ensures the positive connection 6 -here in the circumferential direction-by which the coupling halves 4, 5 are permanently connected to each other.
  • the coupling halves 4, 5 are arranged on the axially facing sides of the pipe parts 1, 2 and the telescopic part 14 and cause the pipe parts 1, 2 and the telescopic part 14 in the circumferential direction 7 and in the axial direction 8 permanently unsolvable and play-free connected ,
  • the microrastering 13 is formed by locking lugs 9 of a coupling half 4, which in congruent designed recesses 10 of the other
  • Coupling half 5 indissolubly engage.
  • the assembly of the pipe parts 1, 2 and the telescopic part 14 to the pipe is effected by a connection of the individual parts by means of the couplings 3.
  • At the end of the correct joining process of the individual parts to the pipe creates a clearly perceptible to the user locking noise, which is displayed to the user that the individual parts that form the tube, after their first installation to the tube now permanently and no longer non-destructively releasably connected to each other.
  • the tube is used in the illustrated embodiment, for example, as a handle for a cleaning device through which, for example, floors can be cleaned.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention concerne un tube formé de plusieurs parties et comportant au moins deux parties de tube (1, 2) et au moins un moyen d'accouplement (3) servant à relier les parties de tube (1, 2), les parties de tube (1, 2) étant reliées entre elles de façon inamovible par le moyen d'accouplement (3) après le premier montage pour former le tube.
PCT/EP2015/058658 2014-05-05 2015-04-22 Tube WO2015169593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014006404.2 2014-05-05
DE102014006404.2A DE102014006404A1 (de) 2014-05-05 2014-05-05 Rohr

Publications (1)

Publication Number Publication Date
WO2015169593A1 true WO2015169593A1 (fr) 2015-11-12

Family

ID=52997441

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/058658 WO2015169593A1 (fr) 2014-05-05 2015-04-22 Tube

Country Status (2)

Country Link
DE (1) DE102014006404A1 (fr)
WO (1) WO2015169593A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789697A (en) * 1955-08-30 1958-01-29 Edwin Lloyd Ward Improvements relating to joints for shafts, rods and the like
EP0332209A1 (fr) * 1988-03-10 1989-09-13 Al-Ko Kober Ag Tube
EP2400169A1 (fr) * 2010-06-25 2011-12-28 NEDSCHROEF PLETTENBERG GmbH Dispositif de connexion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2513068A1 (fr) 2003-01-11 2004-07-29 Butler Home Products Llc Outil de nettoyage des sols a plusieurs elements et contenant servant a loger l'outil demonte
DE102004047162A1 (de) 2004-09-29 2006-04-06 Carl Freudenberg Kg Stiel für ein Reinigungsgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789697A (en) * 1955-08-30 1958-01-29 Edwin Lloyd Ward Improvements relating to joints for shafts, rods and the like
EP0332209A1 (fr) * 1988-03-10 1989-09-13 Al-Ko Kober Ag Tube
EP2400169A1 (fr) * 2010-06-25 2011-12-28 NEDSCHROEF PLETTENBERG GmbH Dispositif de connexion

Also Published As

Publication number Publication date
DE102014006404A1 (de) 2015-11-05

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