EP1657507B1 - Ensemble pour installation de chauffage compact - Google Patents

Ensemble pour installation de chauffage compact Download PDF

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Publication number
EP1657507B1
EP1657507B1 EP04026251A EP04026251A EP1657507B1 EP 1657507 B1 EP1657507 B1 EP 1657507B1 EP 04026251 A EP04026251 A EP 04026251A EP 04026251 A EP04026251 A EP 04026251A EP 1657507 B1 EP1657507 B1 EP 1657507B1
Authority
EP
European Patent Office
Prior art keywords
connection
components
housing component
bayonet
pump housing
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
EP04026251A
Other languages
German (de)
English (en)
Other versions
EP1657507A1 (fr
Inventor
Oliver Blome
Olav Jensen
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.)
Grundfos AS
Original Assignee
Grundfos AS
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 Grundfos AS filed Critical Grundfos AS
Priority to PL04026251T priority Critical patent/PL1657507T3/pl
Priority to DE502004004203T priority patent/DE502004004203D1/de
Priority to AT04026251T priority patent/ATE365895T1/de
Priority to EP04026251A priority patent/EP1657507B1/fr
Publication of EP1657507A1 publication Critical patent/EP1657507A1/fr
Application granted granted Critical
Publication of EP1657507B1 publication Critical patent/EP1657507B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/142—Connecting hydraulic components

Definitions

  • the invention relates to a structural unit for a compact heating system according to the features specified in the preamble of claim 1.
  • An assembly of this kind is from the post-published European Patent Application 03 025 083.1 known.
  • the assembly described therein is extremely compact and essentially made of three housing components, namely a central pump housing component which receives in the installed position from the front of the pump unit and two adjacent to each side of the pump housing component fitting housing components, which have rear connections for a valve housing components connecting plate heat exchanger.
  • the pump housing component has in the lower rear area in each case a directed to the adjacent valve body component line connection.
  • the connection of the three housing components via the line connections, which are plugged into each insertion of a seal and secured by a U-shaped metal bracket positively.
  • the unit In the assembled state, the unit is extremely stable, however, prior to installation of the plate heat exchanger aids are required, which hold the three housing parts in a predetermined position to each other.
  • the components To Connection of the lines between the valve body and component and pump housing component as well as securing by the U-shaped bracket, the components can not fall apart, but they are mutually rotatable.
  • the invention has the object, a generic unit form so that the assembly is simplified, in particular a better fixation of the components to each other before assembly of the plate heat exchanger is achieved.
  • the line connections between the pump housing component and the valve housing components adjoining on both sides are formed as bayonet connections.
  • the entire unit can be connected by simply plugging and twisting the components to each other in the intended position both wired and mechanically. Due to the bayonet joints, the components are mechanically largely positively connected to each other after bayonetization, so that an inherently stable structure results, which can be connected without additional aids after mounting with the rear plate heat exchanger, which then finally connects the components together mechanically.
  • the bayonet connection of these components also has the advantage that they can be disassembled after loosening the plate heat exchanger by simply twisting the housing components to each other in the installed position, without the as in the prior art only from the Rear accessible U-shaped bracket previously removed or subsequently must be replaced.
  • the bayonet connections between the fitting housing components and the pump housing component are designed such that they lock in the opposite direction of rotation (relative to the stationary pump housing component).
  • This has the advantage that, regardless of the position of the pump housing component by corresponding rotation of the two valve body components with the pump housing component integrated therebetween, a locking of both bayonets takes place.
  • this arrangement also gives a certain security against unintentional release.
  • each of the two bayonet joints on a further mechanical connection between the adjacent components as anti-rotation.
  • a further mechanical connection between adjacent housing components is preferably carried out by a latching positive connection.
  • the latching connection has the advantage that when joining a certain force must be overcome, so that preferably by a click sound is audible that the intended position is reached. Then there is a positive connection, ie the connection can not be solved easily.
  • connection can be solved only by overcoming a locking force again or only with the use of a special tool or by manual action of force at a certain point.
  • the latter is particularly favorable because the structure according to the intended Joining can only be resolved by force, but only targeted, if so desired.
  • An anti-rotation may be provided within the bayonet connection, as is known in bayonet connections per se.
  • a further mechanical connection is not formed within the bayonet itself but at a distance from the bayonet connection, since a significantly higher stability of the structure is achieved, in particular the moment load in the opening direction of the bayonet connection can be significantly higher without the risk that the bayonet connection is unlocked.
  • the further mechanical connection is formed and arranged so that when rotating the components to each other, as required after joining the bayonet to achieve the positive connection, this other mechanical connection is closed.
  • a mechanical connection can be formed, for example, in the manner of a pushbutton between two lateral projections of the respective components or by a latching nose snapping into a corresponding receptacle.
  • the connecting elements of this further mechanical connection are provided on projections pointing laterally to the adjacent component, which at the same time limit the angle of rotation when closing the bayonet in one direction.
  • the assembly is made up of three housing components, namely a pump housing component 1, a valve housing component 2 which adjoins the pump housing component 1 on the left in FIG. 1, and a valve housing component 3 on the right side of the pump housing component 1.
  • the pump housing component 1 essentially serves to receive the housing Pump unit, ie an electric motor with a centrifugal pump, which is seen in Fig. 1 inserted from behind into the pump housing component 1 einliederbar. Accordingly, the pump housing component 1 a leading to the suction port of the pump transversely to the impeller axis arranged line with a line connection 4, and an oblique to the impeller axis outgoing discharge nozzle 5. Furthermore, the pump housing component 1 has a direction opposite to the line connection 4 provided line connection 6, whose line also transversely directed to the impeller axis and forms a bypass channel.
  • the line connections 4 and 6 not only represent the line connections to the fitting housing components 2 and 3, but also connect them mechanically, essentially for assembly purposes, until a plate heat exchanger, not shown in the figures on the rear connection pairs 7 and 8 of the valve body components 2 and 3 is attached, which is screwed to these and the entire unit firmly connects.
  • the fitting housing component 2 has a nozzle 9 directed towards the pipe connection 4, which, as FIG. 3 shows, is graduated and congruent with the pipe connection 4.
  • the stepped front part which serves for the actual line connection, carries on the outer circumference of an O-ring seal, not shown in the drawing, which seals the line connection after insertion of the nozzle 9 in the line connection 4.
  • the nozzle 9 has at its central part 10, two radial projections 11.
  • the middle part 10 is surmounted by a flange-like part 12.
  • the projections 11 form part of a bayonet connection, the other part of which are formed by corresponding recesses 13 in the line connection 4.
  • the connecting piece 9 For connecting the fitting housing component 2 with the pump housing component 1, the connecting piece 9 is moved toward it in the axial direction of the line connection 4, the first step-like part first entering the line connection 4 and producing the actual line connection.
  • the projections 11 pass into the recesses 13 until the flange-like part 12 comes to rest on a contact surface 14 of the line connection 4.
  • the valve body component 2 In order to lock the bayonet connection formed by the projections 11 and the recesses 13, the valve body component 2 is then to be rotated in the direction of rotation 15 until the projections 11 are locked within the recesses 13.
  • a locking projection 16 provided laterally on the pump housing component 1 passes into a latching receptacle 27 projecting laterally on the fitting housing component 2, which then positively lock with one another and form an anti-twist device for the bayonet connection 11, 13.
  • the locking receptacle 27 engages behind the locking projection 16 positively and engages both audibly and noticeably.
  • the anti-rotation is so far cheaper than a provided within the bayonet connection anti-rotation, but may also or optionally also be provided.
  • the fitting housing member 3 is similarly connected to the pump housing member 1.
  • the line connection 6 has, in the same way as the line connection 4, recesses 17 which are provided for receiving projections 18 on a connection 19 of the fitting housing component 3.
  • the nozzle 19 is also stepped and has a front stepped portion which carries an O-ring, not shown, and which produces the actual line connection.
  • the projections 18 in conjunction with the recesses 17, the actual bayonet connection, wherein the bayonet connection is formed so that by rotating the nozzle 19, ie the fitting housing member 3 about the axis of the nozzle 19 in the direction of rotation 20 is a positive locking.
  • the directions of rotation of the bayonet joints of the nozzles 4 and 6 are thus opposite directions.
  • the nozzle 19 has longitudinally directed reinforcing ribs 21, which are integrally formed on the outside and their free End directed end faces on a contact surface 22 of the line connection 6 come to rest.
  • the bayonet connection 17, 18 formed between fitting housing component 3 and pump housing component 1 is also rotationally secured by a locking positive connection, which are formed by lateral projecting projections 23 on the fitting housing component 3 and 24 on the pump housing component 1.
  • a locking positive connection which are formed by lateral projecting projections 23 on the fitting housing component 3 and 24 on the pump housing component 1.
  • a central recess 25 which is designed to receive a directed to the pump housing component 1 projection 23 of the fitting housing component 3 locking lug 26.
  • the locking lug which is not shown in detail in the drawings, is compressed when inserted into the recess 25 until a tapered locking portion has penetrated the recess and behind it resiliently widens and forms a positive connection with the recess.
  • the housing components 1 to 3 illustrated with reference to FIGS. 1 and 2 are arranged in the installed position, ie when the assembly is mounted in a compact heating system typically mounted on the wall, such that the front side shown in FIGS. 1 and 2 comes to rest on the wall side, that is, the back not visible in the figures in the installed position forms the front.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Basic Packing Technique (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Resistance Heating (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (6)

  1. Unité pour installation de chauffage compacte, comportant un élément de corps de pompe (1) central, prévu pour recevoir un groupe motopompe, et deux éléments de corps de robinetterie (2, 3) raccordés chacun latéralement à l'élément de corps de pompe (1) en position de montage, qui présentent des raccords arrières (7, 8) pour un échangeur de chaleur à plaques reliant les éléments de corps de robinetterie (2, 3), l'élément de corps de pompe (1) étant relié, par des conduites et mécaniquement, aux éléments de corps de robinetterie (2, 3) par l'intermédiaire de deux conduites (4, 6) partant latéralement de l'élément de corps de pompe (1), caractérisée en ce que les raccords de conduites (4, 9 ou 6, 19) sont réalisés en tant que raccords à baïonnette (11, 13 ou 17, 18).
  2. Unité selon la revendication 1, caractérisée en ce que les raccords à baïonnette (11, 13 ou 17, 18) des éléments de corps de robinetterie (2, 3) vers l'élément de corps de pompe (1) se verrouillent dans des sens de rotation (15, 20) inverses.
  3. Unité selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu, à distance du raccord à baïonnette respectif (11, 13 ou 17, 18), une liaison mécanique supplémentaire (16, 27 ou 25, 26) entre les éléments adjacents en tant que système anti-rotation.
  4. Unité selon l'une des revendications précédentes, caractérisée en ce que la liaison mécanique supplémentaire (16, 27 ou 25, 26) est formée par un assemblage à conjugaison de forme par encliquetage entre les éléments adjacents.
  5. Unité selon l'une des revendications précédentes, caractérisée en ce que la liaison mécanique supplémentaire (16, 27 ou 25, 26) est constituée et disposée de telle sorte qu'elle se réalise lors de la rotation des éléments l'un par rapport à l'autre pour le verrouillage du raccord à baïonnette respectif (11, 13 ou 17, 18).
  6. Unité selon l'une des revendications précédentes, caractérisée en ce que, sur les éléments adjacents (1, 2 ou 2, 3), il est prévu des éléments en saillie (16, 27 ou 23, 24) orientés chacun latéralement vers l'élément adjacent, qui viennent en prise l'un avec l'autre lors de l'assemblage du raccord à baïonnette (11, 13 ou 17, 18).
EP04026251A 2004-11-05 2004-11-05 Ensemble pour installation de chauffage compact Active EP1657507B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL04026251T PL1657507T3 (pl) 2004-11-05 2004-11-05 Zestaw konstrukcyjny do kompaktowej instalacji grzewczej
DE502004004203T DE502004004203D1 (de) 2004-11-05 2004-11-05 Baueinheit für eine Kompaktheizungsanlage
AT04026251T ATE365895T1 (de) 2004-11-05 2004-11-05 Baueinheit für eine kompaktheizungsanlage
EP04026251A EP1657507B1 (fr) 2004-11-05 2004-11-05 Ensemble pour installation de chauffage compact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04026251A EP1657507B1 (fr) 2004-11-05 2004-11-05 Ensemble pour installation de chauffage compact

Publications (2)

Publication Number Publication Date
EP1657507A1 EP1657507A1 (fr) 2006-05-17
EP1657507B1 true EP1657507B1 (fr) 2007-06-27

Family

ID=34927248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04026251A Active EP1657507B1 (fr) 2004-11-05 2004-11-05 Ensemble pour installation de chauffage compact

Country Status (4)

Country Link
EP (1) EP1657507B1 (fr)
AT (1) ATE365895T1 (fr)
DE (1) DE502004004203D1 (fr)
PL (1) PL1657507T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3012553B1 (fr) 2014-10-21 2018-01-17 Grundfos Holding A/S Composant pour une installation de chauffage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10007873C1 (de) * 2000-02-21 2001-06-28 Grundfos As Baueinheit für eine Kompaktheizungsanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3012553B1 (fr) 2014-10-21 2018-01-17 Grundfos Holding A/S Composant pour une installation de chauffage

Also Published As

Publication number Publication date
DE502004004203D1 (de) 2007-08-09
EP1657507A1 (fr) 2006-05-17
ATE365895T1 (de) 2007-07-15
PL1657507T3 (pl) 2008-01-31

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