WO2013041092A2 - Pompe péristaltique - Google Patents

Pompe péristaltique Download PDF

Info

Publication number
WO2013041092A2
WO2013041092A2 PCT/DE2012/100294 DE2012100294W WO2013041092A2 WO 2013041092 A2 WO2013041092 A2 WO 2013041092A2 DE 2012100294 W DE2012100294 W DE 2012100294W WO 2013041092 A2 WO2013041092 A2 WO 2013041092A2
Authority
WO
WIPO (PCT)
Prior art keywords
hose
pump according
pressure chamber
peristaltic pump
clamping means
Prior art date
Application number
PCT/DE2012/100294
Other languages
German (de)
English (en)
Other versions
WO2013041092A3 (fr
Inventor
Gunter Krauss
Original Assignee
Gunter Krauss
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 Gunter Krauss filed Critical Gunter Krauss
Priority to DE112012003935.1T priority Critical patent/DE112012003935A5/de
Publication of WO2013041092A2 publication Critical patent/WO2013041092A2/fr
Publication of WO2013041092A3 publication Critical patent/WO2013041092A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F04B43/0072—Special features particularities of the flexible members of tubular flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1261—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rollers being placed at the outside of the tubular flexible member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1276—Means for pushing the rollers against the tubular flexible member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1284—Means for pushing the backing-plate against the tubular flexible member

Definitions

  • the invention relates to a peristaltic pump, in particular in the radial design.
  • a peristaltic pump also referred to as a peristaltic pump or peristaltic pump, is a positive-displacement pump in which the medium to be delivered is forced through it by external mechanical deformation of a hose.
  • the hose is supported in each case on the outside of the housing of the pump head and is clamped from the inside by rollers or sliding shoes, which rotate on a rotor (radial active system).
  • the clamping elements are moved via a camshaft. In any design, the movement causes the Abklemmstelle moves along the tube, thereby driving the fluid.
  • the generation of the intake vacuum is in standard hose pumps by the elasticity of
  • peristaltic pumps are their relatively short hose life due to heavy walking, the danger of hose damage if the pump and the pump medium are not adapted correctly (chemical resistance and solid load), whereby the pumping capacity and pressure are reduced with increasing hose wear.
  • a pump hose for a peristaltic pump is known from the document DE 39 09 657 A1, which in the undeformed state of two arcuate There are sections that merge along crease lines so that it has the cross-sectional shape of a convex lens. At the junctions of the arcuate sections follow outwardly facing webs. When the hose is compressed, only moderate bruising occurs at the connection points and the webs are intended to prevent over-squeezing.
  • Hose member known wherein the hose member has a hose which is preformed into a shape which is adapted to the inner peripheral surface of the pump housing.
  • the tube has a substantially lenticular cross-section and is made of a synthetic resin molding material with high chemical resistance,
  • a hose for peristaltic pumps made of rubber or rubber-like plastics, which in an arcuate shape of a rotating pressing member, in particular in the form of a pressure roller on a support track is compressible, in such a way that arise on both sides of the hose at this kinking, is also from DE 295 01 633 U1 known.
  • the hose body at least over most of its kink area (compared to the other cross-sectional areas) on a lower hardness.
  • the object of the invention is to develop a peristaltic pump, in particular in a radial design, which has a simple and inexpensive structural design and works with high efficiency and environmentally friendly. This object is solved by the features of the first claim.
  • the hose pump has at least one hose and one or more
  • Clamping means for progressively disconnecting the hose, wherein under a progressive Abklemmterrorism the fluid is transported in the hose.
  • the Abklemmiata are preferably arranged at a small distance from each other and may be formed, for example in the manner of a toothing, which is transverse to
  • Transport direction extends.
  • the tube is formed in multiple layers at least in the area that is clamped and / or consists of several nesting individual hoses, on the one hand to ensure the required flexibility and on the other hand, the required abrasion resistance and compressive strength.
  • the tube has at least one inner layer made of an elastic material which springs back outside the clamping point to its outer diameter and at least one outer layer consisting of a textile, flexible, abrasion-resistant and pressure-resistant material and a high bursting pressure withstand.
  • the hose may be made of e.g. be composed of two individual tubes, wherein an inner first single tube made of an elastic material which springs back outside the Abklemmstelle / n to its outer diameter. This is inserted into an outer second single tube made of a textile, flexible material.
  • the outer second single tube is preferably a pressure hose made of a flexible synthetic fiber fabric, which withstands a high bursting pressure.
  • a fire hose or a section of a fire hose has proved particularly advantageous since the fire hose can be loaded up to a pressure of 50 bar.
  • other thin-walled flexible pressure hoses can be used as an outer tube.
  • Clamping of the hose is provided, which on the rotor, which is rotatably mounted on a rotating shaft, in the form of rotatable rollers or
  • the hose is supported on the outside of a housing on a contact surface and inside the Abklemmffen (sliding elements, shoes, rollers) with the
  • the tube is preferably received in a circular segment-like bend in the housing or alternatively clamped linearly to the housing by means of rotatingly mounted rollers. If a pressure valve is arranged at the outlet of the peristaltic pump, it works as a compressor.
  • the peristaltic pump has at least one longitudinally or curvedly extending pressure chamber and one or more clamping means for advancing local clamping of the pressure chamber along the pressure chamber.
  • Pressure chamber can be formed, for example, in a progressively partially clamped hose or a progressively partially abklemmbaren hose-like element.
  • Be formed elements wherein by the / the clamping means / the elements in the recess, the cross section of the pressure chamber progressively partially clamping, can be pressed.
  • the hose is supported on the outside of a housing on a contact surface and inside the Abklemmffen are rotatably connected to the shaft and the shaft rotatably mounted in the housing.
  • a liquid or gaseous fluid can be used, for example as a gaseous fluid air or as a liquid fluid water.
  • other liquid or gaseous media can be transported with the pump according to the invention.
  • the pump is inexpensive to manufacture, works very energy efficient, is very smooth and can be used in conjunction with an output-side valve for the first time as a compressor.
  • FIG. 1 shows the basic structure of a peristaltic pump
  • FIG. 2 peristaltic pump with outlet-side pressure valve
  • Figure 3 is a schematic diagram of a linearly extending pressure chamber in one
  • FIG. 4 shows a cross-section of an embodiment, similar to FIG. 3, at the top with a roller not shown, at the bottom with the pressure chamber clamping roller,
  • FIG. 5 shows a pressure chamber between a housing with a recess and one or more in the recess arranged sealed to this U-shaped elements in cross section
  • FIG. 6 shows a cross section of a variant in which the pressure chamber is formed between two intermeshing U-profiles, above with not shown roller, below with clamped pressure chamber
  • Figure 7 shows a cross section of a variant in which a circumferentially closed cushion between two profiles is arranged through a whale
  • the hose pump 1 a housing 2, in which a hose 3 is inserted here bent by 180 ° and rests with its outer region on a correspondingly curved contact surface (trundle bed) 2.1 of the housing 2.
  • a rotor 5 Inside the case 2 is mounted by means of a drive shaft 4, a rotor 5 and driven here in a clockwise direction.
  • the rotor 5 has two clamping means 6 rotatably mounted thereon, which are designed in the form of rotatable rollers and compress the tube 3.
  • the housing 2 adjoins the contact surface 2.1 or formed in this first Abklemmimplantation in the form of first elevations 7.1 in the direction of the tube 3, which at close intervals to each other are arranged.
  • the first elevations may be formed, for example, by a toothed belt (not shown), which rests against the contact surface 2.1 and whose toothing points in the direction of the hose 3.
  • the clamping means 6 are provided at its periphery with Abklemm instituten in the form of second elevations 7.1, which are formed in the manner of a toothing. Between the tube 3 and the first and / or second elevations 7.1, 7.2 can additionally foil are arranged (not shown), which protects the tube 3 from heavy abrasion.
  • the tube 3 here consists of two individual tubes in the form of a first inner single tube 3.1 made of silicone and an outer second
  • Single hose 3.2 in the form of a fire hose or a section of a fire hose.
  • hose dimensions which are not available as a fire hose, or as an alternative to fire hose other external hoses can be used, which are flexible and fold flat when missing pressure (such as the fire hose) and withstand high bursting pressure.
  • the silicone hose is supported on the fire hose (or another similar outer hose), the silicone hose can be provided with a smaller wall thickness, through which it is easier to press. Normally, the thinner wall thickness would not withstand high pressures, but the support on the fire hose makes it easy to use thin silicone tubing.
  • hoses which are flexible (preferably highly flexible), withstand high pressures and are suitable for the corresponding temperature range.
  • the tube 3 is supplied in the direction of arrow conveying medium M, when the rotor 5 is rotated by the drive shaft 4 in rotation. Increases 7.1, 7.2 ensure this a reliable disconnection of the tube 3. In one revolution of the rotor 5, the tube 3 is offset by the two at an angle of 180 ° to each other
  • FIG. 2 shows a variant of a peristaltic pump 1, in which only on the contact surface 2.1 of the housing 2 elevations 7.1 are provided and on the drive shaft 4, a rotor 5 is arranged with rounded in the direction of the hose Abklemmimplantationn 6.
  • the medium is air and at the outlet of the tube 3, a pressure valve 9 is arranged, through which the air is compressed, whereby the peristaltic pump operates as a compressor.
  • the hose 3 is also in this variant of two individual tubes in the form of a first inner single tube 3.1 made of silicone and an outer second single tube 3.2 in the form of a fire hose or a section of a fire hose.
  • FIG. 3 shows a linearly extending peristaltic pump in which a hose 3 is clamped in a progressive linear movement by two rotating clamping means 6 in the form of rollers against a housing 2 or an abutment surface.
  • the hose-like element 3b can, for example, rest against a housing 2 or a contact surface and can be folded bellows-shaped in cross-section or be collapsible.
  • the illustration in Figure 4 above shows the variant in which the pressure chamber D is open and the representation below the variant in which the pressure chamber D is closed / clamped.
  • the roller 6 moves to this, as shown in Fig. 3, along the pressure chamber D and pushes or folds the hose-like element together. Due to the pressure acting in pressure chamber D, the tubular element 3b then moves apart again.
  • the tubular element has two opposite parallel sides, one of which rests against the housing and the roller acts on the other. The other two sides are each designed kinked in the direction of the pressure chamber, so that they buckle to each other when the element 3b is compressed by the roller 6.
  • the side against which the roller rests can consist of a wear-resistant and abrasion-resistant material. It may be made entirely of steel or spring steel, carbon, aramid or plastic on the side on which the clamping means 6 acts. It is also possible, the side on which the Abklemmffen 6 acts and to manufacture the voltage applied to the housing 2 side of these materials and the intermediate fold-like region of another material in the manner of a membrane to produce, so that this easily can be squeezed when disconnecting.
  • Recess of a housing 2 at least one in the direction of the bottom of the recess by means of at least one clamping means 6 (roller) can be pressed displaceable element 3c, which is sealed to the housing.
  • the pressure space D is thus formed between the recess and the element 3c. This is formed in the manner of a U-profile, whose mutually parallel legs are guided in the housing 2 and wherein between the legs of the roller dips.
  • FIG. 7 a U-profile is attached to the housing 2 and its mutually parallel legs point away from the housing 6.
  • a cushion 8 Between the mutually parallel sides of a cushion 8 is arranged with a rectangular profile here in the direction of the housing 2 slidably.
  • the pressure chamber D is formed between the pad 8 and the U-profile 3 c.
  • the U-profile 3c has two mutually parallel legs, which point in the direction of the housing 2 and are guided on the legs of the U-profile 3c outside. Also in the variants gem.
  • FIGS. 3 to 7 may additionally be provided with elevations (preferably on the housing, which ensure reliable disconnection.
  • the energy input can be significantly reduced.
  • the system has an extremely simple and very cost-effective design.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe péristaltique comportant au moins un flexible et un ou plusieurs organes de pincement pour le pincement du flexible progressant dans le sens de transport d'un fluide. Le flexible s'appuie sur un boîtier, contre une surface d'appui et la surface d'appui du flexible disposée dans le boîtier et/ou les organes de pincement présente des éléments de pincement en direction du flexible, conçus sous forme de saillies et/ou le flexible est conçu de façon multicouche et/ou est composé de plusieurs flexibles individuels emboîtés les uns dans les autres, au moins dans la zone de pincement.
PCT/DE2012/100294 2011-09-21 2012-09-21 Pompe péristaltique WO2013041092A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112012003935.1T DE112012003935A5 (de) 2011-09-21 2012-09-21 Schlauchpumpe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011051392 2011-09-21
DE202011051392.0 2011-09-21

Publications (2)

Publication Number Publication Date
WO2013041092A2 true WO2013041092A2 (fr) 2013-03-28
WO2013041092A3 WO2013041092A3 (fr) 2013-05-23

Family

ID=47678431

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2012/100294 WO2013041092A2 (fr) 2011-09-21 2012-09-21 Pompe péristaltique

Country Status (2)

Country Link
DE (3) DE102012108900A1 (fr)
WO (1) WO2013041092A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021158485A1 (fr) * 2020-02-07 2021-08-12 Klein Jeffrey A Tube de pompe péristaltique ayant un tube de manchon externe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112324A1 (de) 2014-08-27 2016-03-03 Stockert Gmbh Schlauchpumpe

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH266467A (de) 1948-06-10 1950-01-31 Schottler Hinrich Verdrängermaschine mit elastisch verformbaren Arbeitsraumwänden.
DE3431189A1 (de) 1984-08-24 1986-03-06 Linnhoff & Thesenfitz Maschinen- und Anlagenbau GmbH, 8754 Großostheim Rotationsschlauchpumpe
DE3909657A1 (de) 1989-03-23 1990-09-27 Braun Melsungen Ag Pumpenschlauch fuer eine peristaltische pumpe
DE29501633U1 (de) 1995-02-02 1995-04-13 Gummi-Jäger KG GmbH & Cie, 30625 Hannover Schlauch für Schlauchpumpen
DE10131563A1 (de) 2000-07-03 2002-01-17 Yutaka Doi Schlauchpumpe und Schlauchelement hierfür
DE102006016806A1 (de) 2006-04-10 2007-10-11 Robert Bosch Gmbh Verdrängermaschine
DE102005052623B4 (de) 2005-11-02 2007-10-11 Seleon Gmbh Kompressor
DE102009059721A1 (de) 2009-12-18 2011-06-22 Rheinisch-Westfälische Technische Hochschule Aachen, 52062 Antrieb

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447478A (en) * 1967-03-03 1969-06-03 Miles Lab Peristaltic pump
AT317512B (de) * 1972-05-25 1974-09-10 Tukiem Trust Vorrichtung zur kontinuierlichen foerderung von moertel,beton od.dgl
FR2257028A1 (en) * 1974-01-08 1975-08-01 Fauvel Georges Flexible hose type positive displacement pump - has serrated or indented surface to rollers pressing on hose
DE3320091A1 (de) * 1983-06-03 1984-12-06 Streicher, Irmgard, 7141 Beilstein Schlauchpumpe
US5340290A (en) * 1992-12-21 1994-08-23 Scilog, Inc. Double feed peristaltic pump
WO2002027185A1 (fr) * 2000-09-29 2002-04-04 Doig Ian D Configuration de surface de chambre de pompe a volume progressif
US6506035B1 (en) * 2001-03-20 2003-01-14 Zevex, Inc. Roller for peristaltic pumps having a plurality of projections to minimize current draw

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH266467A (de) 1948-06-10 1950-01-31 Schottler Hinrich Verdrängermaschine mit elastisch verformbaren Arbeitsraumwänden.
DE3431189A1 (de) 1984-08-24 1986-03-06 Linnhoff & Thesenfitz Maschinen- und Anlagenbau GmbH, 8754 Großostheim Rotationsschlauchpumpe
DE3909657A1 (de) 1989-03-23 1990-09-27 Braun Melsungen Ag Pumpenschlauch fuer eine peristaltische pumpe
DE29501633U1 (de) 1995-02-02 1995-04-13 Gummi-Jäger KG GmbH & Cie, 30625 Hannover Schlauch für Schlauchpumpen
DE10131563A1 (de) 2000-07-03 2002-01-17 Yutaka Doi Schlauchpumpe und Schlauchelement hierfür
DE102005052623B4 (de) 2005-11-02 2007-10-11 Seleon Gmbh Kompressor
DE102006016806A1 (de) 2006-04-10 2007-10-11 Robert Bosch Gmbh Verdrängermaschine
DE102009059721A1 (de) 2009-12-18 2011-06-22 Rheinisch-Westfälische Technische Hochschule Aachen, 52062 Antrieb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021158485A1 (fr) * 2020-02-07 2021-08-12 Klein Jeffrey A Tube de pompe péristaltique ayant un tube de manchon externe

Also Published As

Publication number Publication date
DE112012003935A5 (de) 2014-06-18
WO2013041092A3 (fr) 2013-05-23
DE102012108900A1 (de) 2013-03-21
DE202012103619U1 (de) 2013-02-08

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