EP0577946B1 - Schlauchpumpe - Google Patents
Schlauchpumpe Download PDFInfo
- 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
Links
Images
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)
Description
- Fig. 1:
- die Draufsicht auf eine teilweise geschnittene Pumpe und
- Fig. 2:
- den Schnitt durch Fig. 1 nach deren Linie II-II.
Claims (11)
- Schlauchpumpe mit in einem Pumpengehäuse (12) aus Gehäuseboden (38), Gehäusewand (36) und Pumpendeckel (66) am Gehäuseboden angeordnetem Pumpschlauch (50) mit elastisch verformbarer Wandung, der mit einem teilkreisförmig gebogenen Abschnitt um eine Welle (16) eines Läufers (14) innerhalb der Gehäusewandung der Schlauchpumpe (10) sowie zu dieser in radialem Abstand in das Pumpengehäuse eingelegt ist und dessen Querschnitt während des Fördervorganges durch wenigstens ein den Pumpschlauch querschnittlich gegen ein Widerlager drückendes Organ (49) des Läufers unter Verminderung des Innenvolumens partiell verändert wird, wobei der Läufer eine parallel zum Gehäuseboden verlaufende, die in einem Lagerhals (18) des Gehäusebodens lagernde Welle aufnehmende Platte und eine an diese angeformte Läuferwand (15) aufweist sowie aus einem am Pumpendeckel verlaufenden, von der Platte gebildeten Läuferboden (13) und der an diesem aus einer seiner beiden Flächen herausgeformten, sich vom Läuferboden zum Gehäuseboden hin erstreckenden Läuferwand (15) schüsselartig ausgebildet ist, und wobei die Welle des Läufers direkt an dessen Läuferboden angesetzt und mit letzterem einstückig ausgebildet ist.
- Schlauchpumpe nach Anspruch 1, dadurch gekennzeichnet, daß das Pumpengehäuse (12) im Querschnitt einen an die Gehäusewandung (36) etwa rechtwinkelig angeformten Bodenabschnitt (38a) und einen davon in einem Neigungswinkel (w) läuferwärts geneigten Bodenabschnitt (38b) aufweist, wobei diese Bodenabschnitte mit der Gehäusewandung einen Rinnenraum (40) des Pumpengehäuses begrenzen, in welchen die Läuferwand (15) eintaucht.
- Schlauchpumpe nach Anspruch 2, dadurch gekennzeichnet, daß der radiale Abstand (i) der Gehäusewandung (36) des Pumpengehäuses (12) von der innerhalb dessen Rinnenraum (40) drehbaren Läuferwand (15) gleich oder geringer ist wie/als der Außendurchmesser (e) des Pumpschlauches (50).
- Schlauchpumpe nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der geneigte Bodenabschnitt (38b) des Pumpengehäuses (12) mittels eines ringförmigen Bodenabschnitts (38c) an den Lagerhals (18) angeformt ist, der die Welle (16) des Läufers (14) aufnimmt, wobei der Lagerhals (18) gegebenenfalls mit einer wenigstens ein Dichtelement (34) aufnehmenden Ringrippe (19) axial den ringförmigen Bodenabschnitt überragt.
- Schlauchpumpe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß von der Läuferwand (15) des schüsselartigen Läufers (14) ein Gleitschuh (48) mit einer radial nach außen gerichteten Gleitfläche (49) zum Pumpschlauch (50) hin abragt.
- Schlauchpumpe nach Anspruch 5, dadurch gekennzeichnet, daß sich die Kragweite (q) des Gleitschuhs (48) von einem Maximum zu beiden Seiten der Gleitfläche (49) hin vermindert und/oder die Gleitfläche (49) in Draufsicht etwa die Kontur eines in seiner langen Achse geschnittenen halben Ovals anbietet.
- Schlauchpumpe nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß der Gleitschuh (48) zwischen Gleitfläche (49) und Läufer (14) mit Durchtrittsöffnungen (47) für Gleit- oder Kühlmittel versehen ist, und/oder die Gleitfläche (49) entlang einer Wand des Gleitschuhs (48) ausgebildet ist sowie diese die Durchtrittsöffnungen (47) im Gleitschuh begrenzt.
- Schlauchpumpe nach einem der Ansprüche 5 bis 7, gekennzeichnet durch ein Paar von Gleitschuhen (48) auf einem gemeinsamen Durchmesser des Läufers (14).
- Schlauchpumpe nach wenigstens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Läuferboden (13) mit zumindest einem Durchbruch (44) für Gleit- oder Kühlmittel versehen ist.
- Schlauchpumpe nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, daß dem Gleitschuh (48) wenigstens ein Durchbruch (44) im Läuferboden (13) benachbart ist.
- Schlauchpumpe nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß dem Durchbruch (44) wenigstens eine vom Läuferboden (13) aufragende Förderschaufel (43) zugeordnet ist, die sich gegebenenfalls vom Maximum des Gleitschuhs (48) beidseits entlang dem Seitenrand des Durchbruches (44) im Läuferboden (13) erstreckt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4214917 | 1992-05-11 | ||
DE4214917A DE4214917A1 (de) | 1992-05-11 | 1992-05-11 | Schlauchpumpe |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0577946A2 EP0577946A2 (de) | 1994-01-12 |
EP0577946A3 EP0577946A3 (de) | 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 (de) |
EP (1) | EP0577946B1 (de) |
DE (2) | DE4214917A1 (de) |
Families Citing this family (22)
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. |
US8763661B2 (en) | 2010-07-21 | 2014-07-01 | Aperia Technologies, Inc. | Tire inflation system |
US8747084B2 (en) | 2010-07-21 | 2014-06-10 | Aperia Technologies, Inc. | Peristaltic pump |
CN104254452B (zh) | 2012-03-20 | 2017-07-07 | 阿佩利亚科技公司 | 轮胎充注*** |
US11453258B2 (en) | 2013-03-12 | 2022-09-27 | Aperia Technologies, Inc. | System for tire inflation |
US9604157B2 (en) | 2013-03-12 | 2017-03-28 | Aperia Technologies, Inc. | Pump with water management |
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 |
TW202043618A (zh) * | 2016-03-18 | 2020-12-01 | 日商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 |
MX2019002569A (es) | 2016-09-06 | 2019-10-07 | Aperia Tech Inc | Sistema para inflado de neumáticos. |
US10406869B2 (en) | 2017-11-10 | 2019-09-10 | Aperia Technologies, Inc. | Inflation system |
US11642920B2 (en) | 2018-11-27 | 2023-05-09 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE188219C (de) * | ||||
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 |
-
1992
- 1992-05-11 DE DE4214917A patent/DE4214917A1/de not_active Withdrawn
-
1993
- 1993-05-07 DE DE59308132T patent/DE59308132D1/de not_active Expired - Lifetime
- 1993-05-07 EP EP93107436A patent/EP0577946B1/de not_active Expired - Lifetime
- 1993-05-10 US US08/060,732 patent/US5375984A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4214917A1 (de) | 1993-11-18 |
EP0577946A2 (de) | 1994-01-12 |
US5375984A (en) | 1994-12-27 |
DE59308132D1 (de) | 1998-03-19 |
EP0577946A3 (de) | 1994-03-16 |
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