EP0577946B1 - Schlauchpumpe - Google Patents

Schlauchpumpe Download PDF

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Publication number
EP0577946B1
EP0577946B1 EP93107436A EP93107436A EP0577946B1 EP 0577946 B1 EP0577946 B1 EP 0577946B1 EP 93107436 A EP93107436 A EP 93107436A EP 93107436 A EP93107436 A EP 93107436A EP 0577946 B1 EP0577946 B1 EP 0577946B1
Authority
EP
European Patent Office
Prior art keywords
rotor
pump
hose
housing
wall
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
EP93107436A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0577946A2 (de
EP0577946A3 (enrdf_load_stackoverflow
Inventor
Werner Wehling
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.)
Allweiler GmbH
Original Assignee
Allweiler 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 Allweiler AG filed Critical Allweiler AG
Publication of EP0577946A2 publication Critical patent/EP0577946A2/de
Publication of EP0577946A3 publication Critical patent/EP0577946A3/xx
Application granted granted Critical
Publication of EP0577946B1 publication Critical patent/EP0577946B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04B43/12—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

Definitions

  • the invention relates to a peristaltic pump with in a pump housing at the bottom arranged pump hose with elastic deformable wall that - between two connection ends in plan view approximately U-shaped - with a part-circular curved section around a shaft of a rotor within the Wall of the peristaltic pump and at a radial distance from it is placed in the pump housing.
  • GB-PS 628 785 describes a peristaltic pump with a pump hose and pressure rollers, which in the Hose interior one closed by two pinch points Chamber section generated. Roll when rotating the rotor the pressure rollers as squeezing organs on the from the housing wall supporting pump hose, and with them those pinch points move in the direction of conveyance, whereby the material to be conveyed inside the hose from the hose inlet to the outlet end of the pump hose is promoted; the pinch point near the hose entrance thanks to the restoring force of the hose wall Suction power on existing in an upstream storage container Conveyed goods that are so drawn in and then from the above described chamber section to the outlet end of the pump tubing is transported.
  • a peristaltic pump of the generic type has according to the WO-A-88/05868 a separator made of a sealing part and a separator; the sealing part is an elastic one Seal that with the housing wall in the area between a suction port and a pressure port connected is and in this area sealing on the partition and peripheral wall is present.
  • the separating part is formed in that a seal is led around the rotor, leading to a Front wall and a rear wall seals. Will such Setup for example for a pump according to EP-B-130 374 applied with elastic separating part, one should reduced height, high suction power and automatic Adaptation to the currently required Suction height result.
  • WO-A-88/05868 also discloses a peristaltic pump of all free spaces in the pump interior with a liquid fill out. This filling takes place when the bloated Condition of the pump hose. Moves in filled Condition a squeeze body on the hose Piece further and thus squeezes a new section of the Hose together, the previously squeezed piece of hose don't stay squeezed together as in this case a cavity would appear in the filled liquid.
  • WO-A-88/05868 turns a special vacuum pump to evacuate the entire interior of the pump Peristaltic pump used. It is a piston pump, whose pistons are driven by a cam surface of the rotor is in the direction of a piston rod by spring force is pressed. This arrangement is said to be more compact Allow construction than that of conventional peristaltic pumps is known with a separate vacuum pump.
  • the cylinder the vacuum pump is in one work space and one Subdivided external pressure space, the work space with the Atmosphere via a first check valve opening to the atmosphere, and with the peristaltic pump interior over one second check valve is connected, which towards Workspace opens; the external pressure chamber should be directly connected to the Atmosphere.
  • the inventor was aware of this state of the art set the goal of a peristaltic pump of the type described above Way of creating the identified shortcomings be resolved.
  • the runner has a parallel to Bottom of the case - which in a neck of the Housing base bearing shaft - plate as well a molded onto this runner wall and is made of one on the pump cover, formed by the plate Runner floor and the one from one of his two Formed surfaces, from the runner floor to Runner wall extending bowl-like bowl-like formed, the shaft of the rotor directly on the Runner base attached and in one piece with the latter is trained.
  • the hose pump according to the invention protrudes from the rotor wall as an organ squeezing the pump hose preferably a pair - with one pointing radially outwards Sliding surface towards the pump hose.
  • Reduced the cantilever width of the sliding shoe prefers from a maximum to both sides of the sliding surface; the diameter of the Runner through the maximum serves as a line of symmetry.
  • slide shoe whose outer contour in plan view approximately that of one half oval cut in its long axis.
  • the sliding shoe between sliding surface and rotor with through openings for Provide lubricant or coolant, preferably the sliding surface formed along a wall of the shoe and this can limit the openings in the shoe.
  • the rotor base is also at least provide a breakthrough for the lubricant or coolant, wherein the slide shoe at least one of the openings in Runner floor can be adjacent.
  • the breakthrough is at least one from the runner floor towering bucket assigned, for example from the maximum of the shoe on both sides along the Side edge of the opening in the runner floor can extend.
  • the latter provisions serve to optimize the Lubrication and cooling of the slide shoe and the pump hose; the lubricant / coolant level is increased so far that by the attached on the pump cover side of the rotor Conveyor blades and through the passage openings in the sliding block as well as the reflux openings in the rotor bottom increased lubricant / coolant flow and an even flow Temperature distribution over the pump housing are possible.
  • a peristaltic pump 10 has a bowl-like pump housing 12 of an inner diameter d of about 320 mm and a height h of about 75 mm on a runner 14, which on a Pump shaft 16 is rotatable about the axis line A.
  • the pump shaft 16 is in the range of one - a middle one Outer diameter b of about 95 mm - centric Bearing neck 18 of the rigid material, preferred Pump housing 12 cast from metal by means of a Axial bearing 20 and a radial bearing 22 mounted between which a spacer sleeve 24 surrounds the pump shaft 16.
  • This Spacer 24 is of a snap ring 26 for the Thrust bearing 20 and a locking ring 27 for the radial bearing 22 surrounded.
  • To the radial bearing 22 connects to an outer support ring on the rotor side 27a to the rotor 14 towards a sealing element 34.
  • the bottom molded onto the wall 36 of the pump housing 12 is composed of a cross-section to the wall 36 approximately rectangular bottom section 38a of the cross-sectional length n of just over 55 mm, one of these in an angle of inclination w of about 120 ° Bottom portion 38b and an annular bottom portion 38c of the cross-sectional length nl of about 25 mm together, the - parallel to the first-mentioned bottom section 38a - from inclined bottom portion 38b extends to the bearing neck 18 and is molded onto this.
  • the bearing neck 18 protrudes slightly with a ring rib 19 receiving that WDR element 34 axially via the annular base section 38c to the rotor 14 there.
  • the wall 36 and the adjoining bottom section 38a of the Pump housing 12 delimit with the inclined bottom section 38b an i.w. annular gutter 40.
  • To the outside of the bottom 38 connecting lugs 39 are cast on for pump assembly.
  • the rotor 14 molded onto the pump shaft 16 is provided with a in the channel space - filled with lubricant or coolant 40 immersed runner wall emanating from a runner floor 13 15 also bowl-shaped, and from on its outer surface are molded knobs 42 and - in plan view horseshoe-like - conveyor blades 43 from. Surround them Breakthroughs 44 in the rotor bottom 13, as shown in FIG. 1 in particular shows.
  • the outer diameter a of the rotor 14 measures approximately 220 mm, so that the mean radial distance i of the rotor wall 15 in that channel space 40 from the housing wall 36 with calculated almost 50 mm.
  • the rotor wall 15 is fastened by two screws 45 each of an adjusting plate 46 and a slide shoe 48 penetrates a curved sliding surface 49 according to FIG. 1 offers with a maximum distance q of just over 20 mm from the rotor wall 15 and one through an angle t of about 65 ° certain length.
  • the contour of the sliding surface 49 in Top view corresponds approximately to that of a half oval, cut in the longer axis of the oval.
  • the passage openings 47 which are triangular in plan view provided slide shoe 48 presses during the rotation of the rotor 14 one - in its gutter 40 between the wall 36 of the pump housing 12 and the rotor wall 15 - arranged Pump tubing 50 with an outside diameter e of approximately 52 mm partially so that the volume of the hose interior 51 temporarily goes to zero and so within the Pump hose 50 a delivery chamber for the medium to be conveyed -
  • a delivery chamber for the medium to be conveyed For example, paint, industrial lye or the like. - arises; this is described during the rotation of the rotor 14 by the Pinch point taken.
  • the pump hose 50 extends from flexibly deformable material itself - as I said: in channel 40 - U-shaped between two mutually parallel wall sockets 52 of the pump housing 12 and its hose ends 53 close within the wall socket 52 each to an enclosed pump socket 54 at. This is with a radial outer rib 56 equipped, the inside of a screwed to the wall socket 52 Stuffing box 58 strikes, and protrudes into the Hose interior (51) with an insertion section (55), that ends near the pump wall (36).
  • the stuffing box gland 58 holds sealing rubber-elastic Packing rings 60 and a gland base ring 61, the one shoulder-like gland base 62 abuts. Its distance to the inner surface 35 of the wall 36 corresponds approximately to its wall thickness y of about 8 mm.
  • One pump nozzle 54 forms the inlet connection of the Peristaltic pump 10, in which the medium to be pumped thanks one generated by the restoring force of the pump tube 50 Suction power is drawn.
  • the other pump nozzle 54 serves as a discharge for the medium being pumped.
  • the pump hose 50 is directly on the wall 36 of the Pump housing 12 clamped on the inner diameter d, the shoulder-like gland 62 between this inner diameter d and a tangent Q to the inner surface 35 of the wall 36 through their intersection N with that to the central axes M the wall socket 52 arranged parallel pump diameter D.
  • the pump tube 50 is clamped in by means of a Elastomer stuffing box 60 inside the pump housing 12 what the specific clamping forces on the pump tube 50 are reduced and also its sealing against the pump housing 12 guaranteed.
  • Fig. 1 can be from that stuffing box bottom gap 64 tapering towards the inside of the pump the inner wall surface 35 and the sealingly mounted thereby Recognize pump hose 50; the latter touches all around the clamping point, the pump housing 12 is not what the 64a designated distance on the opposite side of the hose in Fig. 1 and the inner diameter k of the wall socket 36 confirm; this is larger than the hose outer diameter e.
  • the wall 36 of the pump housing 12 goes into an edge molded outer flange 37 above, the - with interposition of a sealing ring 65 - a screwed to it Pump cover 66 sits, from which an outlet 68 low Shaped out of diameter and by a screw plug 69 can be closed with sealing ring 70.
  • an outlet 68 low Shaped out of diameter and by a screw plug 69 can be closed with sealing ring 70.
  • there is another axially parallel bushing 72 - opposite the outlet nozzle 68 - larger diameter the side of the trajectory protrudes from rotor wall 15 and sliding block 48 as well axially with a sight glass 73 and radially with a branch 74 is equipped as a filling element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
EP93107436A 1992-05-11 1993-05-07 Schlauchpumpe Expired - Lifetime EP0577946B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214917A DE4214917A1 (de) 1992-05-11 1992-05-11 Schlauchpumpe
DE4214917 1992-05-11

Publications (3)

Publication Number Publication Date
EP0577946A2 EP0577946A2 (de) 1994-01-12
EP0577946A3 EP0577946A3 (enrdf_load_stackoverflow) 1994-03-16
EP0577946B1 true EP0577946B1 (de) 1998-02-11

Family

ID=6458270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107436A Expired - Lifetime EP0577946B1 (de) 1992-05-11 1993-05-07 Schlauchpumpe

Country Status (3)

Country Link
US (1) US5375984A (enrdf_load_stackoverflow)
EP (1) EP0577946B1 (enrdf_load_stackoverflow)
DE (2) DE4214917A1 (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5688112A (en) * 1996-02-22 1997-11-18 Garay; Thomas William Rotor axis aligned tube and outlet for a peristaltic pump system
GB2325710B (en) * 1997-05-30 2001-10-10 Bredel Hose Pumps B V A peristaltic pump
GB9815394D0 (en) * 1998-07-15 1998-09-16 Bredel Hose Pumps B V Peristalic pumps
NL1016948C2 (nl) * 2000-12-21 2002-06-25 Verder Vleuten Bv Peristaltische pomp voorzien van een behuizing.
US6890161B2 (en) * 2003-03-31 2005-05-10 Assistive Technology Products, Inc. Disposable fluid delivery system
US7591639B2 (en) * 2004-04-27 2009-09-22 Hewlett-Packard Development Company, L.P. Peristaltic pump
EP1784575A1 (de) * 2004-09-03 2007-05-16 Ismatec SA, Laboratoriumstechnik Peristaltische pumpe
NL2000167C2 (nl) * 2006-07-28 2008-01-29 Bredel Hose Pumps B V Peristaltische pomp.
US8747084B2 (en) 2010-07-21 2014-06-10 Aperia Technologies, Inc. Peristaltic pump
WO2012012617A2 (en) 2010-07-21 2012-01-26 Aperia Technologies Tire inflation system
IN2014DN08332A (enrdf_load_stackoverflow) 2012-03-20 2015-05-08 Aperia Technologies
US9604157B2 (en) 2013-03-12 2017-03-28 Aperia Technologies, Inc. Pump with water management
US11453258B2 (en) 2013-03-12 2022-09-27 Aperia Technologies, Inc. System for tire inflation
US10144254B2 (en) 2013-03-12 2018-12-04 Aperia Technologies, Inc. Tire inflation system
USD733190S1 (en) * 2014-11-26 2015-06-30 Richard L. West Peristaltic pump cap
USD742928S1 (en) * 2015-03-24 2015-11-10 Fenwal, Inc. Peristaltic pump cap
US10189320B2 (en) * 2015-12-09 2019-01-29 The Goodyear Tire & Rubber Company On-wheel air maintenance system
TW201835448A (zh) * 2016-03-18 2018-10-01 威爾柯股份有限公司 管泵、旋轉限制部件、軸體和軸連接結構
EP3509915B1 (en) 2016-09-06 2020-11-11 Aperia Technologies, Inc. System for tire inflation
US10406869B2 (en) 2017-11-10 2019-09-10 Aperia Technologies, Inc. Inflation system
WO2020112686A1 (en) 2018-11-27 2020-06-04 Aperia Technologies, Inc. Hub-integrated inflation system
CN112610720B (zh) * 2020-12-17 2021-11-12 中南大学 一种高精度增阻调压控制变径阀

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE188219C (enrdf_load_stackoverflow) *
GB583008A (en) * 1944-09-05 1946-12-04 Charles Bell Walker Improvements in or relating to pumps
GB628785A (en) * 1947-10-16 1949-09-05 Denis Withinshaw Rowley Improvements in flexible tube pumps
GB713239A (en) * 1952-08-20 1954-08-04 Ames Crosta Mills & Company Lt Improvements in and relating to flexible tube pumps
US3180272A (en) * 1963-07-09 1965-04-27 Roger L Culbertson Deformable-hose fluid pump
US3402673A (en) * 1966-10-10 1968-09-24 Shamban & Co W S Pump
US4214855A (en) * 1977-12-21 1980-07-29 Gerritsen Jan W Peristaltic type pump
DE3320091A1 (de) * 1983-06-03 1984-12-06 Streicher, Irmgard, 7141 Beilstein Schlauchpumpe
DE3703124A1 (de) * 1987-02-03 1988-08-11 Manfred Streicher Schlauchpumpe
GB8912946D0 (en) * 1989-06-06 1989-07-26 Bellhouse Techn Ltd Peristaltic pump
DE9203042U1 (de) * 1992-03-07 1992-04-30 Burger, Hermann, 5840 Schwerte Mauerdurchführung

Also Published As

Publication number Publication date
DE4214917A1 (de) 1993-11-18
EP0577946A2 (de) 1994-01-12
EP0577946A3 (enrdf_load_stackoverflow) 1994-03-16
US5375984A (en) 1994-12-27
DE59308132D1 (de) 1998-03-19

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