EP3842639B1 - Fluid-umwälzpumpe - Google Patents

Fluid-umwälzpumpe Download PDF

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Publication number
EP3842639B1
EP3842639B1 EP20215942.2A EP20215942A EP3842639B1 EP 3842639 B1 EP3842639 B1 EP 3842639B1 EP 20215942 A EP20215942 A EP 20215942A EP 3842639 B1 EP3842639 B1 EP 3842639B1
Authority
EP
European Patent Office
Prior art keywords
support
locking
pump according
pump
fluid
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.)
Active
Application number
EP20215942.2A
Other languages
English (en)
French (fr)
Other versions
EP3842639A1 (de
Inventor
Mohamed Baali
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.)
Wilo Intec SAS
Original Assignee
Wilo Intec SAS
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Publication date
Application filed by Wilo Intec SAS filed Critical Wilo Intec SAS
Publication of EP3842639A1 publication Critical patent/EP3842639A1/de
Application granted granted Critical
Publication of EP3842639B1 publication Critical patent/EP3842639B1/de
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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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet

Definitions

  • the present invention relates to a pump for circulating a fluid, and to an installation in which a fluid circulates and comprising such a pump. It finds particular application in hydraulic installations of the heating and/or hot water supply type.
  • a pump generally comprises an inlet chamber and a discharge chamber.
  • the intake chamber is equipped with two fluid inlet ports.
  • the discharge chamber is equipped with a fluid outlet port.
  • a drive member also makes it possible to drive the fluid from one of the inlet orifices to the outlet orifice.
  • a selectively operable obstruction member makes it possible to obstruct the first or the second inlet orifice. This obstruction member is actuated by an actuating member.
  • a pump according to the preamble of claim 1 is disclosed by document WO2017/207951 .
  • One of the aims of the invention is therefore to solve in particular the aforementioned problems.
  • the invention particularly aims to provide a pump whose maintenance is simplified.
  • the invention thus relates, according to a first aspect, to a pump intended to circulate a fluid in an installation, such as a hydraulic installation, said pump comprising an inlet chamber having first and second inlet orifices fluid, and a discharge chamber having a fluid outlet.
  • the pump further includes a drive member for driving fluid from one of the first and second inlet ports to the outlet port, an obstruction member selectively operable to obstruct the first or second input, and an actuating member secured to the obstruction member and configured to actuate said obstruction member.
  • the pump also comprises a first support mounted on the inlet chamber, the actuation member being mounted on a second support cooperating with the first support to ensure the removable coupling of the actuation member with the control member. obstruction, so as to make it possible to assemble the actuating member with the obstructing member without tools and to disassemble the actuating member from the obstructing member without tools, by assembling and disassembling the first and second supports.
  • the invention also relates, according to a second aspect, to an installation allowing the circulation of a fluid, such as a hydraulic installation, comprising a pump as presented.
  • the pump according to the invention allows simple and rapid maintenance, by facilitating disassembly and reassembly of the actuation member without specific tools, and therefore by facilitating access to the obstruction member.
  • FIG. 1 An example of a pump according to the invention is shown in the figure 1 .
  • a pump can be installed in an installation to allow a fluid to circulate in the conduits of this installation. It may for example be a hydraulic installation, in which water circulates, such as a heating and/or hot water supply installation.
  • the pump conventionally comprises an inlet chamber 1 and a discharge chamber 4.
  • the inlet chamber 1 comprises a first inlet 2 and a second inlet 3 allowing the admission of fluid into the pump.
  • the discharge chamber 4 comprises an outlet orifice 5 allowing the fluid to be discharged outside.
  • a drive member (not visible on the figure 1 ) is placed inside the pump. More specifically, the role of this drive member is to drive the fluid from the inlet chamber 1 to the discharge chamber 4, from one or the other of the first and second inlet orifices 2, 3 to outlet port 5.
  • This actuation member 7 is therefore integral with the obstruction member 6 and configured to actuate the latter.
  • the figure 2 and 3 relate to two embodiments of the assembly between the actuating member 7 and the obstruction member 6.
  • a first support 8 is mounted on the intake chamber 1. Furthermore, the actuating member 7 is mounted on a second support 9.
  • the first support 8 and the second support 9 cooperate to ensure the removable coupling of the actuating member 7 with the obstruction member 6.
  • the cooperation between these two first and second supports 8, 9 is such that it allows to assemble the actuating member 7 with the obstruction member 6 without tools. It also makes it possible to disassemble the actuating member 7 from the obstruction member 6 without tools. obtained respectively by assembling and disassembling the first and second supports 8, 9.
  • first and second supports 8, 9 are configured so that the cooperation between these two supports 8, 9 is achieved by sliding at least part of one of the two supports 8, 9, in guide means formed in the other of the two supports 8, 9.
  • the part of the support which slides in the guide means of the other support is the part 10 of the second support 9, guide means 11, 12 being formed in the first support 8.
  • the actuating member 7 comprises motorized actuating means 13 on the one hand, and an actuating arm 14 on the other hand.
  • the arm 14 is driven by the actuating means 13 and passes through an orifice 15 in the second support 9 to be coupled to the obstruction means 6.
  • the orifice 15 is formed in the part 10 of the second support 9 which is intended to slide in guide means 11, 12 formed in the first support 8. Also more precisely, the end of the arm, not connected to the actuating means 13, is intended to cooperate with the obstruction member 6 via a connection element 16 (not visible on the picture 2 for the sake of simplification, but visible on the picture 3 ).
  • This connection element 16 is housed in a part 17 of the support 8 forming a housing 17.
  • locking means 18 to 21 are provided. They are configured to cooperate so as to allow the locking as well as the unlocking of the assembly of these first and second supports 8, 9.
  • first locking means 18, 19 in the first support 8 cooperate with second locking means 20, 21 in the second support 9.
  • the second locking means 20, 21 in the second support 9 comprise one or more (exactly two in the examples) locking lugs 20, 21 formed in a portion 22 of the second support 9 called the locking support 22.
  • This locking portion 22 overcomes the part 22 of the second support 9 which slides in the guide means 11, 12 of the first support 8.
  • the first locking means 18, 19 for their part comprise one or more (exactly two in the examples) locking housings 18, 19.
  • each locking pin 20, 21 cooperates with a locking housing 18, 19, when the second support 9 cooperates with the first support 8, to ensure the locking of the assembly of these first and second supports 8, 9.
  • each locking pin 20, 21 cooperates with a locking housing 18, 19, when the part 10 of the second support 9 comes to end its sliding in the guide means 11, 12 of the first support 8.
  • the locking support 22 is configured to be able to be deformed temporarily in an unlocked position, to allow the locking lugs 20, 21, which have been previously positioned in their respective locking housings 18, 19, to leave these respective locking housings 18, 19.
  • the temporary deformation of the locking support 22 is obtained by pressing on a single pressure zone on this locking support 22.
  • This pressure can be exerted by the action of a single finger, without any tool.
  • this pressure is exerted in a direction substantially parallel to the axis of the arm 14, in the direction from the side of the part 10 where the arm 14 protrudes towards the opposite side, that is to say the side where the actuating means 13.
  • the temporary deformation of the locking support 22 is obtained by two antagonistic pressures on two respective pressure zones on this locking support 22. These two antagonistic pressures can be exerted by the antagonistic action of two fingers, without tools. In the example shown in picture 3 , this antagonistic action is exerted in a direction substantially perpendicular to the axis of the arm 14.
  • the locking support 22 comprises two elements 22 each carrying one of the locking lugs 20, 21.
  • the invention is not limited to the details of the embodiments of the examples presented in the figures, such as the number of locking lugs, the number of locking housings, the exact position of these, the direction and /or the direction in which the pressure is exerted on the deformable element(s) of the locking means.

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

Claims (12)

  1. Pumpe zum Umwälzen eines Fluids in einer Anlage, beispielsweise einer hydraulischen Anlage, mit einer Einlasskammer (1) mit einer ersten und einer zweiten Einlassöffnung (2, 3) für Fluid und einer Auslasskammer (4) mit einer Auslassöffnung (5) für Fluid, wobei die Pumpe ferner ein Antriebselement zum Treiben von Fluid von einer der ersten und zweiten Einlassöffnungen (2, 3) zu der Auslassöffnung (5) umfasst, ein Blockierungselement (6) selektiv betätigbar um die erste oder die zweite Einlassöffnung (2, 3) zu verstopfen, und ein Stellglied (7), der einstückig mit dem Blockierungselement (6) ist und konfiguriert ist, um das Blockierungselement (6) zu betätigen,
    dadurch gekennzeichnet, dass die Pumpe einen ersten Träger (8) umfasst, die an der Einlasskammer (1) montiert ist, und dass das Stellglied (7) an einem zweiten Träger (9) montiert ist, der mit dem ersten Träger (8) zusammenwirkt, um eine abnehmbare Kopplung des Stellgliedes (7) mit dem Blockierungselement (6) zu gewährleisten, um eine werkzeuglose Montage des Stellgliedes (7) mit dem Blockierungselement (6) und eine werkzeuglose Demontage des Stellgliedes (7) vom Blockierungselement (6), durch Montage und Demontage der ersten und zweiten Träger (8, 9) zu gewährleisten
  2. Pumpe nach Anspruch 1, dadurch gekennzeichnet, dass der erste und der zweite Träger (8, 9) so konfiguriert sind, dass das Zusammenwirken zwischen dem ersten und zweiten Träger (8, 9) durch Gleiten zumindest eines Teils (10) von einen (9) des ersten und zweiten Trägers (8, 9) in Führungsmitteln (11, 12), die in dem anderen (8) des ersten und zweiten Trägers (8, 9) ausgebildet sind, erreicht wird.
  3. Pumpe nach Anspruch 2, dadurch gekennzeichnet, dass der erste und der zweite Träger (8, 9) so konfiguriert sind, dass das Zusammenwirken zwischen dem ersten und zweiten Träger (8, 9) durch Gleiten zumindest eines Teils (10) des zweiten Trägers (9) in Führungsmitteln (11, 12), die in dem ersten Träger (8) ausgebildet sind, erreicht wird.
  4. Pumpe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Stellglied (7) motorische Betätigungsmittel (13) und einen durch das Betätigungsmittel (13) angetriebenen Betätigungsarm (14) umfasst, für die Koppelung mit dem Blockierungselement (6), wobei der zweite Träger (9) eine Öffnung (15) umfasst, durch die der Arm (14) verläuft.
  5. Pumpe nach Anspruch 4, dadurch gekennzeichnet, dass der erste und der zweite Träger (8, 9) so konfiguriert sind, dass das Zusammenwirken zwischen dem ersten und zweiten Träger (8, 9) durch Gleiten zumindest eines Teils (10) des zweiten Trägers (9) in Führungsmitteln (11, 12), die in dem ersten Träger (8) ausgebildet sind, und dass die Öffnung (15) ausgebildet wird in dem zum Gleiten bestimmten Teil (10) des zweiten Trägers (9) in Führungsmitteln (11, 12), die im ersten Träger (8) ausgebildet sind.
  6. Pumpe nach einem der Ansprüche 4 und 5, dadurch gekennzeichnet, dass das Ende des Armes (14) dazu bestimmt ist, mittels eines Verbindungselements (16) mit dem Blockierungselement (6) zusammenzuwirken, wobei das Verbindungselement (16) in einem Gehäuse (17) untergebracht ist, das in dem ersten Träger (8) gebildet ist.
  7. Pumpe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der erste und der zweite Träger (8, 9) jeweils erste (18, 19) und zweite (20, 21) Verriegelungsmittel umfassen, die so konfiguriert sind, dass sie so zusammenwirken, dass das Verriegeln und Entriegeln der Anordnung der ersten und zweiten Träger (8, 9) verwirklicht wird.
  8. Pumpe nach Anspruch 7, dadurch gekennzeichnet, dass der erste und der zweite Träger (8, 9) so konfiguriert sind, dass das Zusammenwirken zwischen dem ersten und zweiten Träger (8, 9) durch Gleiten zumindest eines Teils (10) des zweiten Trägers (9) in Führungsmitteln (11, 12) erreicht wird, die in dem ersten Träger (8) ausgebildet sind, und dass die ersten Verriegelungsmittel (18, 19) ein oder mehrere Verriegelungsgehäuse (18, 19) umfassen, so dass jede Verriegelungsnase (20, 21) mit einem Verriegelungsgehäuse (18, 19) zusammenwirkt wenn der zweite Träger (9) mit dem ersten Träger (8) zusammenwirkt, um die Verriegelung der Anordnung des ersten und zweiten Trägers (8, 9) sicherzustellen.
  9. Pumpe nach Anspruch 8, dadurch gekennzeichnet, dass der Verriegelungsträger (22) temporär in eine Entriegelungsstellung verformbar ausgebildet ist, so dass die zuvor in ihren Verriegelungsgehäusen (18, 19) positionierte Verriegelungsnase (20, 21) ihrer jeweiligen Verriegelungsgehäuse (18, 19) verlassen können.
  10. Pumpe nach Anspruch 9, dadurch gekennzeichnet, dass der Verriegelungsträger (22) in der Entriegelungsstellung durch Druck auf eine einzige Druckzone an dem Verriegelungsträger (22) temporär verformbar ist, durch die Aktion eines einzelnen Fingers.
  11. Pumpe nach Anspruch 9, dadurch gekennzeichnet, dass der Verriegelungsträger (22) in der Entriegelungsstellung durch zwei gegenläufige Drücke auf jeweils zwei Druckzonen des Verriegelungsträgers (22) temporär verformbar ausgebildet ist durch die antagonistische Wirkung zweier Finger.
  12. Anlage, die das Umwälzen eines Fluids ermöglicht, beispielsweise eine hydraulische Anlage, umfassend eine Pumpe nach einem der vorhergehenden Ansprüche.
EP20215942.2A 2019-12-23 2020-12-21 Fluid-umwälzpumpe Active EP3842639B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1915487A FR3105311B1 (fr) 2019-12-23 2019-12-23 Pompe de circulation d’un fluide

Publications (2)

Publication Number Publication Date
EP3842639A1 EP3842639A1 (de) 2021-06-30
EP3842639B1 true EP3842639B1 (de) 2022-02-16

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Application Number Title Priority Date Filing Date
EP20215942.2A Active EP3842639B1 (de) 2019-12-23 2020-12-21 Fluid-umwälzpumpe

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EP (1) EP3842639B1 (de)
FR (1) FR3105311B1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103797A1 (de) * 1991-02-08 1992-08-13 Oplaender Wilo Werk Gmbh Wechselverbinder fuer eine kreiselpumpe
FR3018317B1 (fr) * 2014-03-04 2018-10-19 Wilo Salmson France Pompe de circulation de fluide munie d'un moteur comportant deux parties montees libres en rotation
EP3156659B1 (de) * 2015-10-12 2020-09-16 Grundfos Holding A/S Pumpenaggregat und hydraulisches system
FR3052199A1 (fr) * 2016-06-02 2017-12-08 Wilo Intec Pompe de circulation trois voies a obstruction commandee
US9962663B2 (en) * 2016-08-10 2018-05-08 Standex International Corporation Quick disconnect pump

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Publication number Publication date
EP3842639A1 (de) 2021-06-30
FR3105311A1 (fr) 2021-06-25
FR3105311B1 (fr) 2021-12-31

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