EP2740940A1 - Immersion pump - Google Patents
Immersion pump Download PDFInfo
- Publication number
- EP2740940A1 EP2740940A1 EP12195386.3A EP12195386A EP2740940A1 EP 2740940 A1 EP2740940 A1 EP 2740940A1 EP 12195386 A EP12195386 A EP 12195386A EP 2740940 A1 EP2740940 A1 EP 2740940A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- submersible pump
- pump
- relative
- adjusting means
- ring
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Definitions
- the invention relates to a submersible pump.
- a submersible pump protrudes in the pump operation with its lower portion under the surface of the liquid to be pumped.
- Submersible pumps are commonly used in the garden area to dispense water from water tanks, such as water dispensers.
- Another important area is the removal of water that has penetrated parts of buildings, especially basements.
- EP 1186782 are feet of the submersible pump, which define a level, trained after Exzenterart and adjustable in height.
- a surrounding the lower part of the pump housing ring is provided, which is adjustable to different heights above the formed by the bottom of the pump housing level level and thereby lateral passage openings of the Pump housing covered to varying degrees.
- the ring must be sealed against the housing by a ring seal to prevent the intake of air above the level of the water surrounding the pump.
- the DE 10 2005 031 420 A1 shows a submersible pump, which in the lower part of the pump housing has a basket with a bottom and a pump housing enclosing wall.
- the pump housing is displaceable over a bayonet-type connection between an upper dirty water operation position and a lower clear water operation position relative to the basket.
- In the upper position water can be sucked through large openings in the wall of the basket, which are blocked in the lower position of the pump housing.
- In the lower position water is sucked through recessed channels at the bottom of the basket bottom and a grid opening in the bottom of the basket.
- the present invention has for its object to provide a flexible submersible pump.
- the opening width of the upstream of the pump chamber lying and the maximum size of submersible pumpable solids determining passage openings between a first opening width for dirty water operation and a second opening width for clear water operation with at least one, preferably more intermediate positions advantageously results in an extended application area with only a submersible pump.
- the change in the opening width is carried out via relatively movable to the pump housing between a first position and a second position adjusting means, resulting in the first position of the adjusting the first opening width and in the second position of the adjusting the second opening width of the passage openings.
- the values for the opening widths in the intermediate positions are between the first opening width and the second opening width.
- the opening widths of the passage openings are in this case usually related to the diameter of spherical sample solids, which can still be conveyed by the pump in the respective position of the adjustment means.
- the passage openings do not generally have a circular cross-section transverse to the flow direction at the passage openings.
- the first opening width is advantageously at least 20 mm, in particular at least 25 mm for the dirty water operation of the submersible pump.
- the second opening width is advantageously at most 8 mm, in particular at most 6 mm for the clear water operation of the submersible pump.
- the values for the opening widths in intermediate positions of the adjusting means are between the values of the first opening width and the second opening width.
- an operating mode with flat suction up to water levels of less than 2 mm above the level of the submersible pump may be provided.
- the adjustment of the opening width and the height of the inlet opening in the pump chamber above the level of the submersible pump changed, wherein the first opening width of a greater height and the second opening width are associated with a smaller height.
- the level is advantageously not determined by the pump housing, but by the adjustment and the pump housing with the pump chamber is adjustable in height by adjusting the adjustment relative to the level.
- the adjusting means are connected to the pump housing both in their first and in their second position.
- the adjusting means may in particular comprise a ring arranged in the lower region of the pump housing and preferably surrounding the pump housing.
- the ring may be completed in an advantageous development below by a base plate equipped with apertures, the base plate can also serve as a protection against the accidental intervention of a user by hand in a rotating pump impeller.
- the base plate can have surface openings through which water can flow.
- the base plate which forms the level of the pump, can be held in an advantageous development relative to the ring about its axis of rotation rotatably on the ring.
- the ring can also be rotated relative to the base plate when the base plate is stationary on a base surface, in order to change the opening width of the passage openings and / or the residual water level.
- a displacement of the adjusting means between the first and the second position may advantageously comprise a movement sequence which contains both a rotational movement component about a rotational axis which is vertical in pump operation and a displacement component parallel to this rotational axis, in each case relative to the pump housing.
- Such a sequence of movements can be given in a preferred embodiment by a threaded connection between the pump housing and the relative to this rotatable adjusting means.
- the first and / or the second position of the adjusting means can be predetermined by one or two stop-determined end positions.
- the adjusting means are positionable in one or more intermediate positions between the first and the second position.
- the adjusting means are fixed relative to the pump housing in the first and the second position and at least one, preferably a plurality of intermediate position, in order to ensure the maintenance of the respective position in the pump operation.
- a determination can take place frictionally in an advantageous embodiment, for which an elastic tension, in particular in relation to a vertical axis radial direction between adjustment and pump housing is advantageous.
- Such a radial clamping can be given in a particularly advantageous embodiment by an inserted into a radial gap between the adjusting means and the pump housing rubber-elastic friction element, in particular a rubber-elastic ring in an annular gap.
- the frictional force is sized so that it is sufficient to maintain the selected position in the pump operation, but at the same time manually by a manual force of a user can be overcome.
- a frictional attachment can be done in a preferred embodiment by a locking screw.
- the locking screw which is preferably operated manually without tools, preferably has a substantially with respect to a vertical axis of rotation in operation radial screw axis.
- a positive fixing of the adjusting means in one or more positions relative to the pump housing may also be provided.
- a fixing element for example, releasably cooperate with at least one recess, recess, relief or stop edge on adjusting means and / or pump housing and be designed for example as a pin or screw.
- a depression can be given in an advantageous embodiment only by a flattening on a curved surface, in particular on a convex outside of the pump housing.
- Other possibilities of frictional and / or non-positive, releasable fixing of the adjusting means relative to the pump housing are known per se to those skilled in the art.
- Fig. 1 shows in oblique view a first embodiment of a submersible pump TP1.
- the submersible pump TP1 is made up of several components, wherein in the assembly diagram after Fig. 2 in particular an upper housing part GO and a lower housing part GU of the pump housing, a rotatably held on the pump housing ring DR and a base plate GP are differentiated.
- the individual components, in particular the pump housing may be subdivided further, which is no longer relevant to the following explanation of exemplary embodiments of the invention.
- a drive motor is accommodated, which rotatably drives a pump impeller LR about an axis of rotation RA which is essentially oriented vertically in pump operation.
- the impeller LR protrudes in the assembled state of the pump housing in a pump chamber LK of the housing base GU, from which an output channel AK leads to an output terminal AA away.
- Upper housing part GO and lower housing part GU are typically firmly connected to each other and are not separated from each other by the user of the submersible pump.
- the compound can typically be over in Fig. 2 do not take place with drawn screws with the axis of rotation RA substantially parallel screw axis.
- a plurality of sections of an external thread AG are arranged, which are carried out in this example only as circumferentially spaced portions of one or two helical turns of a thread helix.
- external thread tuned internal thread IG is formed, which cooperates with the external thread AG in such a way that the ring DR by engagement of the external thread AG and the internal thread IG on the housing lower part GU held by a threaded connection and is rotatable relative to the housing bottom part GU about a rotation axis DA.
- the base plate GP may be made integral with the ring DR, but is preferably as in FIG Fig. 2 illustrated an independent component, which is fastened to the bottom of the ring DR.
- the base plate GP plug holes GB are formed, through which locking pins SS, which can also be designed as wires, in the direction of the lines shown broken are inserted.
- the locking pins SS cooperate with recesses SA on the circumference of the ring DR in its lower region and hold the base plate GP on the underside of the ring DR and fix the base plate GP with respect to the axis of rotation DA axial direction relative to the ring DR.
- a grid is formed, through which water in particular in a reference to Fig. 5 to be described in more detail for Flachabsaugung described.
- the grid is surrounded by an opposite the top PP of the base plate recessed annular surface GG.
- On the underside of the base plate flat spaces are formed against the level of the pump, which allow a flow of water from the environment of the pump to the grid GI under the base plate GP through.
- the recesses SA can form circumferential annular grooves in the lower region of the ring DR, as a result of which the ring DR can be rotated about the axis of rotation DA during permanent engagement of the securing elements relative to the baseplate GP.
- the ring DR can be rotated about the axis of rotation, while the base plate GP, which forms the level of the pump, remains undrilled on the base surface.
- Fig. 1 is the ring DR positioned in a relative to the housing lower part GU deep first position and set in this position for pump operation as a dirty water pump relative to the pump housing.
- the determination is made in the example outlined by means of a clamping screw KS, which is screwed into a threaded bore UB of the ring DR and can be clamped against the outer surface of the housing base GU.
- KS clamping screw
- On the outer surface of the housing lower part can advantageously be designated for this purpose preferred surfaces which dictate certain preferred rotational positions of the ring DR about the axis of rotation DA, for example as outlined by flats GA a curved side wall of the lower part GU of the pump housing.
- the ring DR can be fixed in any rotational position about the axis of rotation DA relative to the lower housing part of the pump housing.
- Fig. 3 shows for the in Fig. 1 illustrated first position of the adjusting means or at least a part of the adjusting means forming the ring DR a section through the lower portion of the submersible pump.
- the underside of the base plate GP forms a level plane SE, which is typically aligned at least approximately horizontally in pump operation.
- LK impeller LR water is sucked through a lower inlet opening EO of the pump chamber and over the in Fig. 1 shown output channel AK to the output port AA pump promoted.
- the lower edge of the housing lower part is preferably located in this first position of the rotary ring above the upper edge of the recesses OR, so that in Fig.
- the passage openings DO completely as a clear height HS for sucking water including transported with this solid is available. If the transverse dimension of the passage openings DO is smaller than its height HL, this width of the passage openings determines the opening width of the passage openings and the maximum diameter of conveyable solids.
- the diameter of the inlet opening EO in the pump chamber is at least by a small amount greater than the maximum opening width of the passage openings DO, so that larger solids already held at the passage openings DO and can not clog the inlet opening EO within the ring DR.
- the lower edge of the lower housing part GU is in the example sketched in the first position of the rotary ring DR containing adjusting means above the upper edge of the recesses OR, so that the opening width is not limited by the lower housing part.
- An upper edge RO of the ring DR is vertically spaced from a lower edge KO of the upper part of the pump housing by a distance DS which is larger than the height HS of the passage openings.
- the ring DR in the in Fig. 1 and Fig. 2 DB designated movement, which includes a rotation about the axis of rotation DA with simultaneous movement of the ring in parallel to the axis of rotation DA direction
- the ring DR in the in Fig. 4 in to Fig. 3 analog sectional view shown second position of the adjusting means are brought.
- the clear height of the passage openings DO is limited by the lower edge UK of the housing lower part to a value HK, which is for example at most 8 mm, in particular at most 6 mm.
- the diameter of solids which can be sucked through the passage opening DO is therefore limited to these dimensions, and the pump works like a clear water pump.
- the pump housing is closer to the level SE than in the first position, and the upper edge RO of the ring DR is spaced a reduced distance DK from the lower edge UG of the upper part GO of the housing.
- a collar KR from the bottom of the pump chamber down, which can be spaced relative to the inlet opening EO into the pump chamber radially with respect to the axis of rotation RA by a small amount and is formed circumferentially around the inlet opening.
- Such an integrally formed on the underside of the pump chamber collar can lower the level above the level SE, to which water can be sucked by the pump, even further, so that the pump can also be used for Flachabsaugung.
- Such a flat suction position is in Fig. 5 sketched and can by further rotation of the ring DR about the axis of rotation DA on the second position to Fig. 4 Be set out.
- the rotation may be limited by abutment of the upper edge RO of the ring DR at a lower edge UO of the housing top part GO.
- a limitation of the sequence of movements is alternatively or simultaneously also possible by abutment of the lower edge of the lower housing part on the upper side PP held on the ring DR base plate GP or by other means known in the art per se.
- the collar KR around the inlet opening EO is substantially on the lowered annular surface GG.
- a water flow through the recesses OR is practically prevented by the installation of the lower edge UK of the lower part GU or lower side of the pump chamber on the upper side PP of the base plate or in particular by contact of the collar KR on the lowered annular surface GG and water flows under the base plate through there over the Stand level SE trained free spaces BK to the center of the base plate and through the grid GI in the inlet opening EO of the pump chamber LK.
- a residual water level HF, up to which the pump in this Flachabsaug ein can suck water from the environment is at sufficiently airtight conclusion of the previous flow path above the base GP by the height of the free spaces BK, otherwise by the height of the collar KR to the inlet EO on the Level determined.
- the residual water level HF is advantageously not more than 3 mm, in particular not more than 2 mm.
- the ring DR advantageously also set in a different position relative to the pump housing in one or more intermediate positions and z. B. by means of the clamping screw KS against unintentional twisting, resulting in each case different opening widths of the passage openings. Due to the fixability of a selected position of the rotary ring size of the flow openings and residual water levels remain in pump operation.
- the different opening widths of the passage openings are correlated with the height of the inlet opening EO the pump chamber above the level SE, so that also depending on the position of the ring DR relative to the pump housing, different water levels result, up to which the pump can suck water from the environment.
- Fig. 6 schematically shows a lower portion PU of a pump housing and held on this via a threaded connection and height adjustable ring RR, which in turn can be displaced by means of a screw-rotation movement DB relative to the pump housing.
- an external thread PA which revolves around the pump housing several times, is formed on the outer wall of the pump housing PU, and an internal thread PI on the inner wall of the ring RR is wound only slightly around the circumference, for example only once around an axis of rotation DA or is also divided into sections , executed.
- an elastically deformable ring element RD is inserted, which rests against the inner surface RI of the ring RR under elastic bias and forms a friction element whose static friction against the outer wall of the pump housing and / or the surface RI of the ring RR as a static friction force a holding force against unintentional rotation of the ring RR in the threaded connection PA, PI causes relative to the pump housing PU.
- the static friction force is advantageously overcome by a user power.
- the friction element RD can for example be designed as a rubber-elastic O-ring.
- the friction element RD need not fulfill a sealing function against unwanted suction of air through the gap with the threaded connection between the ring RR and the pump housing PU, since the minimum achievable water level in the vicinity of the submersible pump is determined in this case by the lower edge of the pump housing PU.
- ring RR recesses OS are formed from the lower edge thereof, which in the in Fig. 6 sketched relative position between ring RR and pump housing PU determine the opening width of passage openings for sucking water with optionally present in this solid.
- own recesses OK are provided on the lower edge UG of the pump housing PU, which in a second position of the ring RR relative to the pump housing PU completely down to a level lower edge UG of the pump housing, the opening widths of passage openings to a small value corresponding to a clear water operation restrict the submersible pump.
- intermediate positions of the ring RR are relative to the pump housing PU between the second position and in Fig. 6 shown first position possible, in particular, the ring RR can be adjusted continuously relative to the pump housing PU.
- the ring RR can in turn be closed down by a base plate.
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Abstract
Description
Die Erfindung betrifft eine Tauchpumpe.The invention relates to a submersible pump.
Eine Tauchpumpe ragt im Pumpenbetrieb mit ihrem unteren Bereich unter die Oberfläche der abzupumpenden Flüssigkeit. Tauchpumpen sind häufig im Gartenbereich im Einsatz, um Wasser aus Wasserbehältern Ausgabegeräten, z. B. zur Pflanzenbewässerung zuzuführen. Ein anderer wichtiger Bereich ist in der Entfernung von in Gebäudeteile, insbesondere Keller, eingedrungenes Wasser zu entfernen.A submersible pump protrudes in the pump operation with its lower portion under the surface of the liquid to be pumped. Submersible pumps are commonly used in the garden area to dispense water from water tanks, such as water dispensers. B. supply for plant irrigation. Another important area is the removal of water that has penetrated parts of buildings, especially basements.
Bei Tauchpumpen werden Klarwasserpumpen und Schmutzwasserpumpen nach der Größe von maximal durch die Pumpe mit dem gepumpten Wasser förderbaren Festkörpern unterschieden, wobei zur Einordnung Festkörper in Kugelform und deren Durchmesser als Größe angenommen sind. Dabei gelten Tauchpumpen mit einer förderbaren maximalen Festkörpergröße von typischerweise höchstens 8 mm als Klarwasserpumpen, wogegen Tauchpumpen mit einer förderbaren maximalen Festkörpergröße von typischerweise mindestens 25 mm als Schmutzwasserpumpen bezeichnet werden. Die maximale Festkörpergröße ist begrenzt durch stromaufwärts der Pumpenkammer liegende, typischerweise zur Seite offene Durchlassöffnungen. Bei aus der
Die
Der vorliegenden Erfindung liegt die Aufgabe zugrunde eine flexibel einsetzbare Tauchpumpe anzugeben.The present invention has for its object to provide a flexible submersible pump.
Die Erfindung ist im unabhängigen Anspruch beschrieben. Die abhängigen Ansprüche enthalten vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung.The invention is described in the independent claim. The dependent claims contain advantageous refinements and developments of the invention.
Durch die Veränderbarkeit der Öffnungsweite der stromaufwärts der Pumpenkammer liegenden und die maximale Größe von durch die Tauchpumpe förderbaren Festkörpern bestimmenden Durchlassöffnungen zwischen einer ersten Öffnungsweite für Schmutzwasserbetrieb und einer zweiten Öffnungsweite für Klarwasserbetrieb mit wenigstens einer, vorzugsweise mehreren Zwischenstellungen ergibt sich vorteilhafterweise ein erweiterter Einsatzbereich mit nur einer Tauchpumpe. Die Veränderung der Öffnungsweite erfolgt über relativ zu dem Pumpengehäuse zwischen einer ersten Stellung und einer zweiten Stellung verlagerbaren Verstellmitteln, wobei sich in der ersten Stellung der Verstellmittel die erste Öffnungsweite und in der zweiten Stellung der Verstellmittel die zweite Öffnungsweite der Durchlassöffnungen ergeben. Die Werte für die Öffnungsweiten in den Zwischenstellungen liegen zwischen der ersten Öffnungsweite und der zweiten Öffnungsweite.Due to the changeability of the opening width of the upstream of the pump chamber lying and the maximum size of submersible pumpable solids determining passage openings between a first opening width for dirty water operation and a second opening width for clear water operation with at least one, preferably more intermediate positions advantageously results in an extended application area with only a submersible pump. The change in the opening width is carried out via relatively movable to the pump housing between a first position and a second position adjusting means, resulting in the first position of the adjusting the first opening width and in the second position of the adjusting the second opening width of the passage openings. The values for the opening widths in the intermediate positions are between the first opening width and the second opening width.
Die Öffnungsweiten der Durchlassöffnungen seien dabei in gebräuchlicher Weise auf die Durchmesser kugelförmiger Probe-Festkörper bezogen, welche durch die Pumpe in der jeweiligen Stellung der Verstellmittel noch förderbar sind. Die Durchlassöffnungen weisen aber in der Regel keinen kreisförmigen Querschnitt quer zur Strömungsrichtung bei den Durchlassöffnungen auf.The opening widths of the passage openings are in this case usually related to the diameter of spherical sample solids, which can still be conveyed by the pump in the respective position of the adjustment means. However, the passage openings do not generally have a circular cross-section transverse to the flow direction at the passage openings.
Die erste Öffnungsweite beträgt vorteilhafterweise wenigstens 20 mm, insbesondere wenigstens 25 mm für den Schmutzwasserbetrieb der Tauchpumpe. Die zweite Öffnungsweite beträgt vorteilhafterweise höchstens 8 mm, insbesondere höchstens 6 mm für den Klarwasserbetrieb der Tauchpumpe. Die Werte für die Öffnungsweiten in Zwischenstellungen der Verstellmittel liegen zwischen den Werten der ersten Öffnungsweite und der zweiten Öffnungsweite.The first opening width is advantageously at least 20 mm, in particular at least 25 mm for the dirty water operation of the submersible pump. The second opening width is advantageously at most 8 mm, in particular at most 6 mm for the clear water operation of the submersible pump. The values for the opening widths in intermediate positions of the adjusting means are between the values of the first opening width and the second opening width.
Bei der Tauchpumpe kann zusätzlich zu den Betriebsarten Schmutzwasserbetrieb und Klarwasserbetrieb noch eine Betriebsart mit Flachabsaugung bis zu Wasserpegeln von weniger als 2 mm über der Standebene der Tauchpumpe vorgesehen sein.In the submersible pump, in addition to the operating modes dirty water operation and clear water operation, an operating mode with flat suction up to water levels of less than 2 mm above the level of the submersible pump may be provided.
Vorteilhafterweise wird mit der Verstellung der Öffnungsweite auch die Höhe der Eintrittsöffnung in die Pumpenkammer über der Standebene der Tauchpumpe verändert, wobei der ersten Öffnungsweite eine größere Höhe und der zweiten Öffnungsweite eine kleinere Höhe zugeordnet sind. Die Standebene wird dafür vorteilhafterweise nicht durch das Pumpengehäuse, sondern durch die Verstellmittel bestimmt und das Pumpengehäuse mit der Pumpenkammer ist durch Verstellen der Verstellmittel relativ zur Standebene höhenverstellbar.Advantageously, with the adjustment of the opening width and the height of the inlet opening in the pump chamber above the level of the submersible pump changed, wherein the first opening width of a greater height and the second opening width are associated with a smaller height. The level is advantageously not determined by the pump housing, but by the adjustment and the pump housing with the pump chamber is adjustable in height by adjusting the adjustment relative to the level.
In bevorzugter Ausführung ist vorgesehen, dass die Verstellmittel sowohl in ihrer ersten als auch in ihrer zweiten Stellung mit dem Pumpengehäuse verbunden sind. Die Verstellmittel können insbesondere einen im unteren Bereich des Pumpengehäuses angeordneten, das Pumpengehäuse vorzugsweise umgebenden Ring beinhalten. Der Ring kann in vorteilhafter Weiterbildung unten durch eine mit Durchbrüchen ausgestattete Grundplatte abgeschlossen sein, wobei die Grundplatte insbesondere auch als Schutz gegen das versehentliche Eingreifen eines Benutzers mit der Hand in ein sich drehendes Pumpenlaufrad dienen kann. Die Grundplatte kann Flächendurchbrüche aufweisen, durch welche Wasser durchströmen kann.In a preferred embodiment it is provided that the adjusting means are connected to the pump housing both in their first and in their second position. The adjusting means may in particular comprise a ring arranged in the lower region of the pump housing and preferably surrounding the pump housing. The ring may be completed in an advantageous development below by a base plate equipped with apertures, the base plate can also serve as a protection against the accidental intervention of a user by hand in a rotating pump impeller. The base plate can have surface openings through which water can flow.
Die Grundplatte, welche die Standebene der Pumpe bildet, kann in vorteilhafter Weiterbildung relativ zu dem Ring um dessen Drehachse drehbar an dem Ring gehalten sein. Hierdurch kann der Ring auch bei fest auf einer Grundfläche aufstehender Grundplatte relativ zu der Grundplatte gedreht werden, um die Öffnungsweite der Durchlassöffnungen und/oder den Restwasserpegel zu verändern.The base plate, which forms the level of the pump, can be held in an advantageous development relative to the ring about its axis of rotation rotatably on the ring. As a result, the ring can also be rotated relative to the base plate when the base plate is stationary on a base surface, in order to change the opening width of the passage openings and / or the residual water level.
Eine Verlagerung der Verstellmittel zwischen der ersten und der zweiten Stellung kann vorteilhafterweise einen Bewegungsablauf umfassen, welcher sowohl eine Drehbewegungskomponente um eine im Pumpenbetrieb vertikale Drehachse als auch eine Verschiebungskomponente parallel zu dieser Drehachse jeweils relativ zum Pumpengehäuse, enthält.A displacement of the adjusting means between the first and the second position may advantageously comprise a movement sequence which contains both a rotational movement component about a rotational axis which is vertical in pump operation and a displacement component parallel to this rotational axis, in each case relative to the pump housing.
Ein solcher Bewegungsablauf kann in bevorzugter Ausführung durch eine Gewindeverbindung zwischen dem Pumpengehäuse und den relativ zu diesem verdrehbaren Verstellmitteln gegeben sein. Vorteilhafterweise können die erste und/oder die zweite Stellung der Verstellmittel durch eine oder zwei anschlagbestimmte Endstellungen vorgegeben sein. Zusätzlich sind die Verstellmittel in einer oder mehreren Zwischenstellungen zwischen der ersten und der zweiten Stellung positionierbar.Such a sequence of movements can be given in a preferred embodiment by a threaded connection between the pump housing and the relative to this rotatable adjusting means. Advantageously, the first and / or the second position of the adjusting means can be predetermined by one or two stop-determined end positions. In addition, the adjusting means are positionable in one or more intermediate positions between the first and the second position.
Die Verstellmittel sind in der ersten und der zweiten Stellung sowie wenigstens einer, vorzugsweise mehreren Zwischenstellung relativ zum Pumpengehäuse festlegbar, um das Beibehalten der jeweiligen Stellung im Pumpenbetrieb zu gewährleisten. Eine solche Festlegung kann in vorteilhafter Ausführung reibschlüssig erfolgen, wofür eine elastische Verspannung, insbesondere in bezüglich einer vertikalen Achse radialer Richtung, zwischen Verstellmitteln und Pumpengehäuse vorteilhaft ist. Eine solche radiale Verspannung kann in besonders vorteilhafter Ausführung durch ein in einen radialen Spalt zwischen Verstellmitteln und Pumpengehäuse eingefügtes gummielastisches Reibelement, insbesondere einen gummielastischen Ring in einem Ringspalt gegeben sein. Die Reibungskraft ist so bemessen, dass diese ausreicht, um im Pumpenbetrieb die gewählte Stellung beizubehalten, zugleich aber manuell durch eine Handkraft eines Benutzers überwindbar ist.The adjusting means are fixed relative to the pump housing in the first and the second position and at least one, preferably a plurality of intermediate position, in order to ensure the maintenance of the respective position in the pump operation. Such a determination can take place frictionally in an advantageous embodiment, for which an elastic tension, in particular in relation to a vertical axis radial direction between adjustment and pump housing is advantageous. Such a radial clamping can be given in a particularly advantageous embodiment by an inserted into a radial gap between the adjusting means and the pump housing rubber-elastic friction element, in particular a rubber-elastic ring in an annular gap. The frictional force is sized so that it is sufficient to maintain the selected position in the pump operation, but at the same time manually by a manual force of a user can be overcome.
Eine kraftschlüssige Festlegung kann in bevorzugter Ausführung auch durch eine Feststellschraube erfolgen. Die Feststellschraube, welche vorzugsweise werkzeuglos manuell betätigbar ist, weist vorzugsweise eine im wesentlichen bezüglich einer im Betrieb vertikalen Drehachse radial verlaufende Schraubenachse auf.A frictional attachment can be done in a preferred embodiment by a locking screw. The locking screw, which is preferably operated manually without tools, preferably has a substantially with respect to a vertical axis of rotation in operation radial screw axis.
Zusätzlich oder alternativ zu der reibschlüssigen Festlegung kann auch eine formschlüssige Festlegung der Verstellmittel in einer oder mehreren Stellungen relativ zum Pumpengehäuse vorgesehen sein. Ein Fixierelement kann beispielsweise lösbar mit wenigstens einer Aussparung, Vertiefung, Relief oder Anschlagkante an Verstellmitteln und/oder Pumpengehäuse zusammenwirken und beispielsweise als Stift oder Schraube ausgeführt sein. eine Vertiefung kann in vorteilhafter Ausführung auch nur durch eine Abflachung an einer gewölbten Fläche, insbesondere an einer konvex gewölbten Außenseite des Pumpengehäuses gegeben sein. Weitere Möglichkeiten der reibschlüssigen und/oder kraftschlüssigen, lösbaren Festlegung der Verstellmittel relativ zum Pumpengehäuse sind dem Fachmann an sich bekannt.In addition or as an alternative to the frictional fixing, a positive fixing of the adjusting means in one or more positions relative to the pump housing may also be provided. A fixing element, for example, releasably cooperate with at least one recess, recess, relief or stop edge on adjusting means and / or pump housing and be designed for example as a pin or screw. A depression can be given in an advantageous embodiment only by a flattening on a curved surface, in particular on a convex outside of the pump housing. Other possibilities of frictional and / or non-positive, releasable fixing of the adjusting means relative to the pump housing are known per se to those skilled in the art.
Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Abbildungen noch eingehend veranschaulicht. Dabei zeigt:
- Fig. 1
- eine Schrägansicht einer Tauchpumpe,
- Fig. 2
- eine Zusammenbau-Darstellung von Komponenten der Tauchpumpe nach
Fig. 1 , - Fig. 3
- einen Schnitt durch den unteren Bereich der Tauchpumpe nach
Fig. 1 für Schmutzwasserbetrieb, - Fig. 4
- eine zu
Fig. 3 analoge Darstellung für Klarwasserbetrieb, - Fig. 5
- eine zu
Fig. 3 analoge Darstellung für Flachabsaugung, - Fig. 6
- eine schematische Skizze einer Variante von Verstellmitteln.
- Fig. 1
- an oblique view of a submersible pump,
- Fig. 2
- an assembly diagram of components of the submersible pump
Fig. 1 . - Fig. 3
- a section through the lower area of the submersible pump after
Fig. 1 for dirty water operation, - Fig. 4
- one too
Fig. 3 analog representation for clear water operation, - Fig. 5
- one too
Fig. 3 analogue representation for flat suction, - Fig. 6
- a schematic sketch of a variant of adjusting means.
Im Gehäuseoberteil GO sei ein Antriebsmotor untergebracht, welcher ein Pumpen-Laufrad LR um eine im Pumpenbetrieb im wesentlichen vertikal ausgerichtete Rotationsachse RA rotierend antreibt. Das Laufrad LR ragt im zusammen gebauten Zustand des Pumpengehäuses in eine Pumpenkammer LK des Gehäuseunterteils GU, aus welcher ein Ausgangskanal AK zu einem Ausgangsanschluss AA weg führt. Gehäuseoberteil GO und Gehäuseunterteil GU sind typischerweise fest miteinander verbunden und werden vom Benutzer der Tauchpumpe nicht voneinander getrennt. Die Verbindung kann typischerweise über in
An der Außenseite des Gehäuseunterteils GU sind mehrere Abschnitte eines Außengewindes AG angeordnet, welche in diesem Beispielsfall lediglich als in Umfangsrichtung voneinander beabstandete Abschnitte von eine oder zwei Wendelgängen einer Gewindewendel ausgeführt sind. An der Innenfläche des Ringes DR ist ein auf das durch die Abschnitte AG gebildete Außengewinde abgestimmtes Innengewinde IG ausgebildet, welches mit dem Außengewinde AG in der Weise zusammen wirkt, dass der Ring DR durch Ineinandergreifen des Außengewindes AG und des Innengewindes IG an dem Gehäuseunterteil GU über eine Gewindeverbindung gehalten und relativ zum Gehäuseunterteil GU um eine Drehachse DA drehbar ist. Bei bestehender Gewindeverbindung zwischen Außengewinde AG und Innengewinde IG bewirkt eine Drehung des Ringes DR um die Drehachse DA relativ zum Gehäuseunterteil GU zugleich eine Veränderung der Position des Rings DR relativ zum Gehäuseunterteil GU in im Betrieb typischerweise vertikaler z-Richtung. Die Achse R des in
Mit dem Ring DR kann eine Grundplatte GP verbunden sein. Die Grundplatte GP kann einteilig mit dem Ring DR ausgeführt sein, ist aber vorzugsweise wie in
In der Mitte der Grundplatte ist ein Gitter ausgebildet, durch welches Wasser insbesondere in einem anhand von
In vorteilhafter Ausführung können die Aussparungen SA umlaufende Ringnuten im unteren Bereich des Rings DR bilden, wodurch der Ring DR bei bleibendem Eingriff der Sicherungselemente relativ zu der Grundplatte GP um die Drehachse DA verdreht werden kann. Dadurch kann bei fest auf einer Grundfläche aufstehender Grundplatte GP der Ring DR um die Drehachse gedreht werden, während die Grundplatte GP, welche die Standebene der Pumpe bildet, unverdreht auf der Grundfläche stehen bleibt.In an advantageous embodiment, the recesses SA can form circumferential annular grooves in the lower region of the ring DR, as a result of which the ring DR can be rotated about the axis of rotation DA during permanent engagement of the securing elements relative to the baseplate GP. As a result, with the base plate GP standing firmly on a base surface, the ring DR can be rotated about the axis of rotation, while the base plate GP, which forms the level of the pump, remains undrilled on the base surface.
In dem Ring DR sind von dessen unterer Kante aus mehrere Aussparungen OR eingebracht. In der Grundplatte GP sind Aussparungen OP vorgesehen, welche bei am Ring DR gehaltener Grundplatte GP zusammen mit den Aussparungen OR Durchlassöffnungen DO bilden. Die Höhe der Durchlassöffnungen DO über der Oberseite PP der Grundplatte GP ist in
In
Durch Drehen des Rings DR in dem in
Im dargestellten vorteilhaften Beispiel ragt noch ein Kragen KR von der Unterseite der Pumpenkammer nach unten, welcher gegenüber der Eintrittsöffnung EO in die Pumpenkammer radial bezüglich der Rotationsachse RA um ein geringes Maß beabstandet sein kann und umlaufend um die Eintrittsöffnung ausgebildet ist. Ein solcher an die Unterseite der Pumpenkammer angeformter Kragen kann das Niveau über der Standebene SE, bis zu welchem Wasser durch die Pumpe abgesaugt werden kann, noch weiter absenken, so dass die Pumpe auch zur Flachabsaugung eingesetzt werden kann.In the illustrated advantageous example still protrudes a collar KR from the bottom of the pump chamber down, which can be spaced relative to the inlet opening EO into the pump chamber radially with respect to the axis of rotation RA by a small amount and is formed circumferentially around the inlet opening. Such an integrally formed on the underside of the pump chamber collar can lower the level above the level SE, to which water can be sucked by the pump, even further, so that the pump can also be used for Flachabsaugung.
Eine solche Flachabsaugstellung ist in
Zwischen der in
In dem Ring RR sind von dessen Unterkante her Aussparungen OS ausgebildet, welche in der in
Die vorstehend und die in den Ansprüchen angegebenen sowie die den Abbildungen entnehmbaren Merkmale sind sowohl einzeln als auch in verschiedener Kombination vorteilhaft realisierbar. Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt, sondern im Rahmen fachmännischen Könnens in mancherlei Weise abwandelbar.The features indicated above and in the claims, as well as the features which can be seen in the figures, can be implemented advantageously both individually and in various combinations. The invention is not limited to the exemplary embodiments described, but can be modified in many ways within the scope of expert knowledge.
Claims (15)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK12195386.3T DK2740940T3 (en) | 2012-12-04 | 2012-12-04 | Submersible |
| PL12195386T PL2740940T3 (en) | 2012-12-04 | 2012-12-04 | Immersion pump |
| ES12195386T ES2781777T3 (en) | 2012-12-04 | 2012-12-04 | Submersible pump |
| EP12195386.3A EP2740940B1 (en) | 2012-12-04 | 2012-12-04 | Immersion pump |
| PT121953863T PT2740940T (en) | 2012-12-04 | 2012-12-04 | Immersion pump |
| AU2013267008A AU2013267008A1 (en) | 2012-12-04 | 2013-12-04 | Immersion pump |
| HRP20200509TT HRP20200509T1 (en) | 2012-12-04 | 2020-03-27 | Immersion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12195386.3A EP2740940B1 (en) | 2012-12-04 | 2012-12-04 | Immersion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2740940A1 true EP2740940A1 (en) | 2014-06-11 |
| EP2740940B1 EP2740940B1 (en) | 2020-03-04 |
Family
ID=47263174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12195386.3A Active EP2740940B1 (en) | 2012-12-04 | 2012-12-04 | Immersion pump |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2740940B1 (en) |
| AU (1) | AU2013267008A1 (en) |
| DK (1) | DK2740940T3 (en) |
| ES (1) | ES2781777T3 (en) |
| HR (1) | HRP20200509T1 (en) |
| PL (1) | PL2740940T3 (en) |
| PT (1) | PT2740940T (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016008510A1 (en) * | 2014-07-15 | 2016-01-21 | Alfred Kärcher Gmbh & Co. Kg | Immersion pump |
| CN112922851A (en) * | 2021-02-05 | 2021-06-08 | 谢志飞 | Submersible pump |
| EP3981989A1 (en) * | 2020-10-07 | 2022-04-13 | Husqvarna Ab | Mechanism for pump |
| US20220307495A1 (en) * | 2019-05-14 | 2022-09-29 | Ams R&D Sas | Device for sucking up liquid from the ground |
| WO2024239923A1 (en) * | 2023-05-22 | 2024-11-28 | 宁波君禾智能科技有限公司 | Submersible pump |
| US12297837B2 (en) | 2021-09-09 | 2025-05-13 | Techtronic Cordless Gp | Submersible pump |
| EP4667748A1 (en) * | 2024-06-18 | 2025-12-24 | Wilo Se | Centrifugal pump |
| EP4667749A1 (en) * | 2024-06-18 | 2025-12-24 | Wilo Se | Centrifugal pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017021222A1 (en) * | 2015-08-03 | 2017-02-09 | Husqvarna Ab | Submersible pump with a plurality of discharge hose connectors and discharge hose connector storage means |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1186782A1 (en) | 2000-09-11 | 2002-03-13 | GARDENA Kress + Kastner GmbH | Submerisble pump |
| JP2004285913A (en) * | 2003-03-20 | 2004-10-14 | Creator:Kk | Large-sized submerged pump for construction site |
| DE102005031420A1 (en) | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| DE202011000193U1 (en) * | 2010-02-03 | 2011-03-31 | Rosenbauer International Ag | submersible pump |
-
2012
- 2012-12-04 EP EP12195386.3A patent/EP2740940B1/en active Active
- 2012-12-04 PL PL12195386T patent/PL2740940T3/en unknown
- 2012-12-04 PT PT121953863T patent/PT2740940T/en unknown
- 2012-12-04 DK DK12195386.3T patent/DK2740940T3/en active
- 2012-12-04 ES ES12195386T patent/ES2781777T3/en active Active
-
2013
- 2013-12-04 AU AU2013267008A patent/AU2013267008A1/en not_active Abandoned
-
2020
- 2020-03-27 HR HRP20200509TT patent/HRP20200509T1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1186782A1 (en) | 2000-09-11 | 2002-03-13 | GARDENA Kress + Kastner GmbH | Submerisble pump |
| JP2004285913A (en) * | 2003-03-20 | 2004-10-14 | Creator:Kk | Large-sized submerged pump for construction site |
| DE102005031420A1 (en) | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| DE202011000193U1 (en) * | 2010-02-03 | 2011-03-31 | Rosenbauer International Ag | submersible pump |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016008510A1 (en) * | 2014-07-15 | 2016-01-21 | Alfred Kärcher Gmbh & Co. Kg | Immersion pump |
| US20220307495A1 (en) * | 2019-05-14 | 2022-09-29 | Ams R&D Sas | Device for sucking up liquid from the ground |
| EP3981989A1 (en) * | 2020-10-07 | 2022-04-13 | Husqvarna Ab | Mechanism for pump |
| WO2022073657A1 (en) * | 2020-10-07 | 2022-04-14 | Husqvarna Ab | Mechanism for pump |
| CN112922851A (en) * | 2021-02-05 | 2021-06-08 | 谢志飞 | Submersible pump |
| CN112922851B (en) * | 2021-02-05 | 2022-11-11 | 浙江丰源泵业有限公司 | Submersible pump |
| US12297837B2 (en) | 2021-09-09 | 2025-05-13 | Techtronic Cordless Gp | Submersible pump |
| WO2024239923A1 (en) * | 2023-05-22 | 2024-11-28 | 宁波君禾智能科技有限公司 | Submersible pump |
| EP4667748A1 (en) * | 2024-06-18 | 2025-12-24 | Wilo Se | Centrifugal pump |
| EP4667749A1 (en) * | 2024-06-18 | 2025-12-24 | Wilo Se | Centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2740940T3 (en) | 2020-07-13 |
| DK2740940T3 (en) | 2020-04-06 |
| EP2740940B1 (en) | 2020-03-04 |
| PT2740940T (en) | 2020-04-02 |
| ES2781777T3 (en) | 2020-09-07 |
| HRP20200509T1 (en) | 2020-06-26 |
| AU2013267008A1 (en) | 2014-06-19 |
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