EP1657507A1 - Assembly for a compact heating installation - Google Patents
Assembly for a compact heating installation Download PDFInfo
- Publication number
- EP1657507A1 EP1657507A1 EP04026251A EP04026251A EP1657507A1 EP 1657507 A1 EP1657507 A1 EP 1657507A1 EP 04026251 A EP04026251 A EP 04026251A EP 04026251 A EP04026251 A EP 04026251A EP 1657507 A1 EP1657507 A1 EP 1657507A1
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims description 5
- 238000009434 installation Methods 0.000 title description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
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.
- 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 obliquely 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.
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- 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)
- Resistance Heating (AREA)
- Basic Packing Technique (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Details Of Reciprocating Pumps (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Die Erfindung betrifft eine Baueinheit für eine Kompaktheizungsanlage gemäß den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen.The invention relates to a structural unit for a compact heating system according to the features specified in the preamble of claim 1.
Eine Baueinheit dieser Art ist aus der nachveröffentlichten europäischen Patentanmeldung 03 025 083.1 bekannt. Die dort beschriebene Baueinheit ist äußerst kompakt aufgebaut und im Wesentlichen aus drei Gehäusebauteilen hergestellt, nämlich einen zentralen Pumpengehäusebauteil, welches in Einbaulage von vorne das Pumpenaggregat aufnimmt sowie zwei zu jeder Seite des Pumpengehäusebauteils anschließenden Armaturengehäusebauteilen, welche rückwärtige Anschlüsse für einen die Armaturengehäusebauteile verbindenden Plattenwärmetauscher aufweisen. Das Pumpengehäusebauteil weist im unteren hinteren Bereich jeweils einen zum benachbarten Armaturengehäusebauteil gerichteten Leitungsanschluss auf. Die Verbindung der drei Gehäusebauteile erfolgt über die Leitungsanschlüsse, die jeweils unter Eingliederung einer Dichtung ineinander gesteckt und durch einen u-förmigen Metallbügel formschlüssig gesichert sind. Die eigentlich mechanische Verbindung der Bauteile erfolgt, soweit es die Armaturengehäusebauteile angeht, durch den später von hinten aufgeschraubten Plattenwärmertauscher, welche mit jeweils einen Anschlusspaar an das jeweilige Armaturengehäusebauteil anschließt und mit diesem über Schrauben fest verbunden ist.An assembly of this kind is known from the post-published European patent application 03 025 083.1. The assembly described therein is extremely compact and essentially made of three housing components, namely a central pump housing component which receives the pump unit in the installed position from the front and two adjacent 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 actual mechanical connection of the components takes place, as far as the fitting housing components, by the later screwed from behind plate heat exchanger, which connects each with a pair of terminals to the respective valve body component and is firmly connected to this via screws.
In montierten Zustand ist die Baueinheit äußerst stabil, vor Montage des Plattenwärmetauschers sind jedoch Hilfsmittel erforderlich, welche die drei Gehäuseteile in vorbestimmter Stellung zueinander halten. Nach Verbindung der Leitungen zwischen Armaturengehäuse und Bauteil und Pumpengehäusebauteil sowie Sicherung durch den U-förmigen Bügel können die Bauteile zwar nicht mehr auseinander fallen, doch sind sie zueinander drehbar.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. 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.
Vor diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine gattungsgemäße Baueinheit so auszubilden, dass die Montage vereinfacht wird, insbesondere eine bessere Fixierung der Bauteile zueinander vor Montage des Plattenwärmetauschers erreicht wird.Before this state of the art, 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.
Diese Aufgabe wird gemäß der Erfindung durch eine Baueinheit mit den im Anspruch 1 angegebenen Merkmalen erreicht. Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung und der Zeichnung.This object is achieved according to the invention by a structural unit having the features specified in claim 1. Advantageous embodiments of the invention will become apparent from the dependent claims, the following description and the drawings.
Gemäß der Erfindung werden die Leitungsverbindungen zwischen dem Pumpengehäusebauteil und den zu beiden Seiten daran anschließenden Armaturengehäusebauteilen als Bajonettverbindungen ausgebildet. Auf diese Weise kann die gesamte Baueinheit durch einfaches Stecken und Verdrehen der Bauteile zueinander in die bestimmungsgemäße Lage sowohl leitungs- als auch mechanisch verbunden werden. Durch die Bajonettverbindungen sind die Bauteile nach der Bajonettierung mechanisch weitgehend formschlüssig miteinander verbunden, so dass sich ein eigenstabiles Gebilde ergibt, das ohne weitere Hilfsmittel nach dem Montieren mit den rückwärtigen Plattenwärmetauscher verbunden werden kann, welcher die Bauteile dann endgültig mechanisch miteinander verbindet.According to the invention, the line connections between the pump housing component and the valve housing components adjoining on both sides are formed as bayonet connections. In this way, 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.
Die Bajonettverbindung dieser Bauteile hat darüber hinaus den Vorteil, dass diese, nach Lösen des Plattenwärmetauschers durch einfaches Verdrehen der Gehäusebauteile zueinander auch in Einbaulage demontierbar sind, ohne das wie beim Stand der Technik der nur von der Rückseite zugängliche U-förmige Bügel vorher entfernt bzw. nachfolgend wieder aufgesetzt werden muss.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.
Vorteilhaft sind die Bajonettverbindungen zwischen den Armaturgehäusebauteilen und dem Pumpengehäusebauteil so ausgebildet, dass sie in entgegengesetzter Drehrichtung (bezogen auf das feststehende Pumpengehäusebauteil) verriegeln. Dies hat den Vorteil, dass ungeachtet der Stellung des Pumpengehäusebauteils durch entsprechendes Verdrehen der beiden Armaturengehäusebauteile mit dem dazwischen eingegliederten Pumpengehäusebauteil eine Verriegelung beider Bajonette erfolgt. Darüber hinaus gibt diese Anordnung auch eine gewisse Sicherheit gegen unbeabsichtigtes Lösen.Advantageously, 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. In addition, this arrangement also gives a certain security against unintentional release.
Vorteilhaft weist jede der beiden Bajonettverbindungen eine weitere mechanische Verbindung zwischen den angrenzenden Bauteilen als Verdrehsicherung auf. Durch eine solche Verdrehsicherung wird vor Montage des rückwärtigen Plattenwärmetauschers sichergestellt, dass die Bajonettverbindungen nicht versehentlich durch Verdrehen der Bauteile zueinander gelöst werden bzw. dass die Bauteile in der vorbestimmten Stellung zueinander angeordnet sind. Eine solche weitere mechanische Verbindung zwischen angrenzenden Gehäusebauteilen erfolgt vorzugsweise durch eine rastende Formschlussverbindung. Die Rastverbindung hat den Vorteil, dass beim Fügen eine gewisse Kraft überwunden werden muss, so dass vorzugsweise auch durch ein Rastgeräusch hörbar ist, dass die bestimmungsgemäße Position erreicht ist. Dann besteht Formschluss, d. h. die Verbindung kann nicht ohne weiteres gelöst werden. Dabei bestehen grundsätzlich zwei Möglichkeiten, dass die Verbindung nur unter Überwindung einer Rastkraft wieder gelöst werden kann oder aber nur unter Einsatz eines speziellen Werkzeugs oder durch manuelle Krafteinwirkung an einer bestimmten Stelle. Letzteres ist besonders günstig, da das Gebilde nach bestimmungsgemäßen Zusammenfügen nur durch Krafteinwirkung nicht mehr gelöst werden kann, sondern nur gezielt, wenn dies auch gewünscht wird.Advantageously, each of the two bayonet joints on a further mechanical connection between the adjacent components as anti-rotation. By such an anti-rotation is ensured before mounting the rear plate heat exchanger that the bayonet connections are not accidentally solved by twisting the components to each other or that the components are arranged in the predetermined position to each other. Such 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. There are basically two ways that the 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.
Eine Verdrehsicherung kann innerhalb der Bajonettverbindung vorgesehen sein, wie dies bei Bajonettverbindungen an sich bekannt ist. Bevorzugt ist jedoch eine solche weitere mechanische Verbindung nicht innerhalb des Bajonetts selbst sondern mit Abstand zur Bajonettverbindung ausgebildet, da hierdurch eine wesentlich höhere Stabilität des Gebildes erzielt wird, insbesondere die Momentbelastung in Öffnungsrichtung der Bajonettverbindung deutlich höher liegen kann, ohne dass die Gefahr besteht, dass die Bajonettverbindung entriegelt wird.An anti-rotation may be provided within the bayonet connection, as is known in bayonet connections per se. Preferably, however, such 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.
Zweckmäßigerweise ist die weitere mechanische Verbindung so ausgebildet und angeordnet, dass beim Drehen der Bauteile zueinander, wie sie nach Fügen des Bajonetts zur Erzielung des Formschlusses erforderlich ist, auch diese weitere mechanische Verbindung geschlossen wird. Eine solche mechanische Verbindung kann zum Beispiel nach Art eines Druckknopfes zwischen zwei seitlichen Vorsprüngen der jeweiligen Bauteile ausgebildet sein oder durch eine in eine entsprechende Aufnahme einschnappende Rastnase. Vorteilhaft sind die Verbindungselemente dieser weiteren mechanischen Verbindung an seitlich zum benachbarten Bauteil weisenden Vorsprüngen vorgesehen, welche gleichzeitig den Drehwinkel beim Schließen des Bajonetts in eine Richtung begrenzen.Conveniently, 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. Such 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. Advantageously, 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.
Die Erfindung ist nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:
- Fig. 1
- in perspektivischer Darstellung eine aus drei Gehäusebauteilen zusammengesetzte Baueinheit für eine Kompaktheizungsanlage in Einbaulage von hinten,
- Fig. 2
- die drei Gehäusebauteile der Baueinheit in Darstellung gemäß Fig. 1,
- Fig. 3
- in vergrößerter Darstellung die linke Bajonettverbindung in Fig. 2 und
- Fig. 4
- in vergrößerter Darstellung die rechte Bajonettverbindung in Fig. 2.
- Fig. 1
- in a perspective view a composite of three housing components assembly for a compact heating system in installation position from behind,
- Fig. 2
- the three housing components of the assembly in representation of FIG. 1,
- Fig. 3
- in an enlarged view, the left bayonet connection in Fig. 2 and
- Fig. 4
- in an enlarged view, the right bayonet connection in Fig. 2nd
Soweit es den funktionalen Aufbau der Baueinheit angeht, wird auf die europäische Patentanmeldung 03 025 083.1 verwiesen, welche eine in ihrem konstruktiven Aufbau im Wesentlichen übereinstimmende Baueinheit im Einzelnen beschreibt. Gegenstand der vorliegenden Anmeldung ist die Leitungs- und mechanische Verbindung der Gehäusebauteile, aus welcher die Baueinheit gebildet ist.As far as the functional structure of the unit is concerned, reference is made to the European patent application 03 025 083.1, which describes in detail a structurally substantially identical structural unit. The subject of the present application is the line and mechanical connection of the housing components, from which the assembly is formed.
Die Baueinheit ist aus drei Gehäusebauteilen aufgebaut, nämlich einen Pumpengehäusebauteil 1, einem in Fig. 1 linksseitig an das Pumpengehäusebauteil 1 anschließenden Armaturengehäusebauteil 2 sowie einen in Fig. 1 rechtsseitig an das Pumpengehäusebauteil 1 anschießenden Armaturengehäusebauteil 3. Das Pumpengehäusebauteil 1 dient im Wesentlichen zur Aufnahme des Pumpenaggregats, d. h. eines Elektromotors mit Kreiselpumpe, welche in Fig. 1 von hinten gesehen in das Pumpengehäusebauteil 1 eingliederbar ist. Demgemäß weist das Pumpengehäusebauteil 1 einen zum Saugmund der Pumpe führenden quer zur Laufradachse angeordnete Leitung mit einem Leitungsanschluss 4 auf, sowie einen schräg zur Laufradachse abgehenden Druckstutzen 5. Weiterhin weist das Pumpengehäusebauteil 1 einen entgegengerichtet zum Leitungsanschluss 4 vorgesehenen Leitungsanschluss 6 auf, dessen Leitung ebenfalls quer zur Laufradachse gerichtet ist und einen Bypasskanal bildet.The assembly is made up of three housing components, namely a pump housing component 1, a
Die Leitungsanschlüsse 4 und 6 stellen nicht nur die Leitungsverbindungen zu den Armaturengehäusebauteilen 2 bzw. 3 dar, sondern verbinden diese auch mechanisch, und zwar im Wesentlichen zu Montagezwecken, bis ein in den Figuren nicht dargestellte Plattenwärmetauscher an rückwärtigen Anschlusspaaren 7 und 8 der Armaturengehäusebauteile 2 und 3 angebracht ist, welcher mit diesen schraubverbunden ist und die gesamte Baueinheit fest verbindet.The
Wie Fig. 3 im Einzelnen zu entnehmen ist, weist das Armaturengehäusebauteil 2 einen zum Leitungsanschluss 4 gerichteten Stutzen 9 auf, der, wie Fig. 3 zeigt, abgestuft und kongruent zum Leitungsanschluss 4 ausgebildet ist. Der abgestufte vordere Teil, der zur eigentlichen Leitungsverbindung dient, trägt am Außenumfang eine in der Zeichnung nicht dargestellte O-Ringdichtung, welche nach Einfügen des Stutzens 9 in den Leitungsanschluss 4 die Leitungsverbindung abdichtet. Der Stutzen 9 weist an seinem mittleren Teil 10 zwei radiale Vorsprünge 11 auf. Der mittlere Teil 10 wird von einem flanschartigen Teil 12 überragt. Die Vorsprünge 11 bilden Teil einer Bajonettverbindung, deren anderer Teil durch entsprechende Ausnehmungen 13 im Leitungsanschluss 4 gebildet sind.As can be seen in detail in FIG. 3, the
Zum Verbinden des Armaturengehäusebauteils 2 mit dem Pumpengehäusebauteil 1 wird der Stutzen 9 in Achsrichtung des Leitungsanschlusses 4 auf diesen zu bewegt, dabei gelangt zunächst der vordere abgestufte Teil in den Leitungsanschluss 4 und stellt die eigentliche Leitungsverbindung her. Die Vorsprünge 11 gelangen in die Ausnehmungen 13 bis der flanschartige Teil 12 auf einer Anlagefläche 14 des Leitungsanschlusses 4 zur Anlage kommt. Um die durch die Vorsprünge 11 und die Ausnehmungen 13 gebildete Bajonettverbindung zu verriegeln ist dann das Armaturengehäusebauteil 2 in Drehrichtung 15 zu drehen bis die Vorsprünge 11 innerhalb der Ausnehmungen 13 verriegelt sind.For connecting the
Bei dieser Drehbewegung in Richtung 15 gelangt ein seitlich am Pumpengehäusebauteil 1 vorgesehener Rastvorsprung 16 in eine in den Figuren seitlich am Armaturengehäusebauteil 2 vorspringende Rastaufnahme 27, die dann formschlüssig miteinander verrasten und eine Verdrehsicherung für die Bajonettverbindung 11, 13 bilden. Die Rastaufnahme 27 hintergreift dabei den Rastvorsprung 16 formschlüssig und rastet sowohl hörbar als auch spürbar ein. Dadurch, dass der Rastvorsprung 16 bzw. die entsprechende Aufnahme 27 am Armaturengehäusebauteil 2 mit deutlichem Abstand zu der Bajonettverbindung zwischen Leitungsanschluss 4 und Stutzen 9 angeordnet ist, ergibt sich eine sehr gute Verdrehsicherung, welche auch hohe Momente aushält, ohne eine Drehung entgegen Richtung 15 zu vollziehen. Die Verdrehsicherung ist insofern also günstiger als eine innerhalb der Bajonettverbindung vorgesehene Verdrehsicherung, die jedoch auch oder gegebenenfalls auch zusätzlich vorgesehen sein kann.During this rotational movement in the direction 15, a
Das Armaturengehäusebauteil 3 ist in ähnlicher Weise mit dem Pumpengehäusebauteil 1 verbunden. Der Leitungsanschluss 6 weist in gleicher Weise wie der der Leitungsanschluss 4 Ausnehmungen 17 auf, die zur Aufnahme von Vorsprüngen 18 an einem Stutzen 19 des Armaturengehäusebauteils 3 vorgesehen sind. Der Stutzen 19 ist ebenfalls abgestuft ausgebildet und weist einen vorderen abgestuften Teil auf, welcher einen nicht dargestellten O-Ring trägt und der die eigentliche Leitungsverbindung herstellt. Die Vorsprünge 18 bilden in Verbindung mit den Ausnehmungen 17 die eigentliche Bajonettverbindung, wobei die Bajonettverbindung so ausgebildet ist, dass durch Drehen des Stutzens 19, d. h. des Armaturengehäusebauteils 3 um die Achse des Stutzens 19 in Drehrichtung 20 eine formschlüssige Verriegelung erfolgt. Die Drehrichtungen der Bajonettverbindungen der Stutzen 4 und 6 sind also entgegengerichtet. Der Stutzen 19 weist längs gerichtete Verstärkungsrippen 21 auf, die an der Außenseite angeformt sind und deren zum freien Ende gerichteten Stirnseiten auf einer Anlagefläche 22 des Leitungsanschlusses 6 zur Anlage kommen.The
Auch die zwischen Armaturengehäusebauteil 3 und Pumpengehäusebauteil 1 gebildete Bajonettverbindung 17, 18 ist durch eine rastende Formschlussverbindung drehgesichert, die durch seitliche auskragende Vorsprünge 23 am Armaturengehäusebauteil 3 sowie 24 am Pumpengehäusebauteil 1 gebildet sind. Dabei weist der am Pumpengehäusebauteil 1 vorgesehene Vorsprung 24, der zum benachbarten Armaturengehäusebauteil 3 gerichtet ist, eine zentrale Ausnehmung 25 auf, die zur Aufnahme eines an dem zum Pumpengehäusebauteil 1 gerichteten Vorsprung 23 des Armaturengehäusebauteils 3 vorgesehenen Rastnase 26 ausgebildet ist. Die Rastnase, die in den Zeichnungen nicht im Einzelnen dargestellt ist, wird beim Einführen in die Ausnehmung 25 zusammengedrückt, bis ein konisch zulaufende Rastabschnitt die Ausnehmung durchdrungen hat und dahinter federnd aufweitet und einen Formschluss mit der Ausnehmung bildet. Auch diese Rastverbindung rastet deutlich hör- und spürbar ein und bildet aufgrund ihres großen Abstands zur Bajonettverbindung 17, 18 am Leitungsanschluss 6 eine hervorragende Verdrehsicherung. Die so gebildete Baueinheit kann dann der weiteren Montage, insbesondere des an die Anschlusspaare 7 und 8 anzubringenden Wärmetauschers zugeführt werden, ohne dass die Gefahr besteht, dass sich die Gehäusebauteile 1, 2 und 3 zueinander verschieben.The
Die anhand der Figuren 1 und 2 dargestellten Gehäusebauteile 1 bis 3 sind in Einbaulage, d. h. wenn die Baueinheit in einer typischerweise an der Wand montierten Kompaktheizungsanlage montiert sind, so angeordnet, dass die in den Figuren 1 und 2 zu sehende Vorderseite wandseitig zur Anlage kommt, d. h. die in den Figuren nicht sichtbare Rückseite in Einbaulage die Vorderseite bildet.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.
- 11
- - Pumpengehäusebauteil- Pump housing component
- 22
- - Armaturengehäusebauteil- Valve housing component
- 33
- - Armaturengehäusebauteil- Valve housing component
- 44
- - Leitungsanschluss- line connection
- 55
- - Druckstutzen- discharge nozzle
- 66
- - Leitungsanschluss- line connection
- 77
- - Anschlusspaar- Connection pair
- 88th
- - Anschusspaar- Anschusspaar
- 99
- - Stutzen- Support
- 1010
- - mittlerer Teil des Stutzens- middle part of the neck
- 1111
- - Vorsprünge- projections
- 1212
- - flanschartiger Teil des Stutzens- Flange-like part of the neck
- 1313
-
- Bajonettausnehmungen im Leitungsanschluss 4.- bayonet recesses in the
line connection 4. - 1414
-
- Anlagefläche des Leitungsanschlusses 4- contact surface of the
line connection 4 - 1515
- - Drehrichtung- direction of rotation
- 1616
- - Rastvorsprung- locking projection
- 1717
-
- Bajonettausnehmungen im Leitungsanschluss 6- Bayonet recesses in the
line connection 6 - 1818
- - Vorsprünge- projections
- 1919
- - Stutzen- Support
- 2020
- - Drehrichtung- direction of rotation
- 2121
- - Verstärkungsrippen- Reinforcing ribs
- 2222
-
- Anlagefläche im Leitungsanschluss 6- contact surface in the
line connection 6 - 2323
- - seitlicher Vorsprung- lateral projection
- 2424
- - seitlicher Vorsprung- lateral projection
- 2525
- - Ausnehmung- recess
- 2626
- - Rastnase- latch
- 2727
- - Rastaufnahme für 16- locking receptacle for 16
Claims (6)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502004004203T DE502004004203D1 (en) | 2004-11-05 | 2004-11-05 | Assembly unit for a compact heating system |
EP04026251A EP1657507B1 (en) | 2004-11-05 | 2004-11-05 | Assembly for a compact heating installation |
AT04026251T ATE365895T1 (en) | 2004-11-05 | 2004-11-05 | UNIT FOR A COMPACT HEATING SYSTEM |
PL04026251T PL1657507T3 (en) | 2004-11-05 | 2004-11-05 | Assembly for a compact heating installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04026251A EP1657507B1 (en) | 2004-11-05 | 2004-11-05 | Assembly for a compact heating installation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1657507A1 true EP1657507A1 (en) | 2006-05-17 |
EP1657507B1 EP1657507B1 (en) | 2007-06-27 |
Family
ID=34927248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04026251A Not-in-force EP1657507B1 (en) | 2004-11-05 | 2004-11-05 | Assembly for a compact heating installation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1657507B1 (en) |
AT (1) | ATE365895T1 (en) |
DE (1) | DE502004004203D1 (en) |
PL (1) | PL1657507T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105526615A (en) * | 2014-10-21 | 2016-04-27 | 格兰富控股联合股份公司 | Construction unit for a heating system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1130342A2 (en) * | 2000-02-21 | 2001-09-05 | Grundfos A/S | Assembly for a compact heating installation |
-
2004
- 2004-11-05 PL PL04026251T patent/PL1657507T3/en unknown
- 2004-11-05 AT AT04026251T patent/ATE365895T1/en not_active IP Right Cessation
- 2004-11-05 EP EP04026251A patent/EP1657507B1/en not_active Not-in-force
- 2004-11-05 DE DE502004004203T patent/DE502004004203D1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1130342A2 (en) * | 2000-02-21 | 2001-09-05 | Grundfos A/S | Assembly for a compact heating installation |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105526615A (en) * | 2014-10-21 | 2016-04-27 | 格兰富控股联合股份公司 | Construction unit for a heating system |
EP3012553A1 (en) * | 2014-10-21 | 2016-04-27 | Grundfos Holding A/S | Construction unit for a heating system |
CN105526615B (en) * | 2014-10-21 | 2019-08-02 | 格兰富控股联合股份公司 | Structural unit for heating equipment |
Also Published As
Publication number | Publication date |
---|---|
ATE365895T1 (en) | 2007-07-15 |
PL1657507T3 (en) | 2008-01-31 |
DE502004004203D1 (en) | 2007-08-09 |
EP1657507B1 (en) | 2007-06-27 |
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