EP1424681B1 - Brass wind musical instrument and rotary valve therefore - Google Patents

Brass wind musical instrument and rotary valve therefore Download PDF

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Publication number
EP1424681B1
EP1424681B1 EP03022122A EP03022122A EP1424681B1 EP 1424681 B1 EP1424681 B1 EP 1424681B1 EP 03022122 A EP03022122 A EP 03022122A EP 03022122 A EP03022122 A EP 03022122A EP 1424681 B1 EP1424681 B1 EP 1424681B1
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EP
European Patent Office
Prior art keywords
rotary valve
bearing
lubricant
channel
valve according
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03022122A
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German (de)
French (fr)
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EP1424681A1 (en
Inventor
Josef Patermann
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J Meinlschmidt GmbH
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J Meinlschmidt GmbH
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Priority to SI200330033T priority Critical patent/SI1424681T1/en
Publication of EP1424681A1 publication Critical patent/EP1424681A1/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/04—Valves; Valve controls

Definitions

  • the invention relates to the storage of a rotary valve for wind instruments and a Wind instrument with such a rotary valve.
  • EP 0 895 221 A2 discloses a wind instrument with a switching valve in which a Change with several air ducts is rotatably arranged.
  • the change is in the Housing of the change-over valve mounted on both sides in a plain bearing.
  • In a Rotary position of the change within the housing should be as straight as possible Passage between the inlet and outlet are provided, so that as possible Constriction-free passage is created.
  • EP 0 340 801 B1 describes as prior art a change for a Rotary valve of a wind instrument with above and below the change arranged bearing pins. Both the change and the upper bearing pin are slightly conical with rectified opening angle. The lower bearing pin is also conical, but has an opening angle similar to that of the Change and the upper pin opposes. This is how it is general is known, by adjusting the lower bearing pin game between the housing and Set the change so that the change is optimally stored again in the valve housing.
  • US-A-2 511 255 discloses lubrication of a piston valve for brass instruments from a lubricant reservoir within the piston valve and from fine channels perpendicular to the axis, through which the lubricant stored in the reservoir reaches the sliding surface of the valve.
  • an adjustment For example, a change, rotatably supported by a sliding bearing.
  • a sliding bearing For example is in a rotary valve for a brass instrument, the adjustment over two Slide bearing mounted in the valve housing, wherein the one slide bearing above and another is arranged below the adjusting element.
  • at least one sliding bearing of the rotary valve at least one lubricant channel, the extends at least partially over the height of the sliding bearing surface area.
  • there the at least one lubricant channel on the inner and / or on the be formed outer bearing surface of the sliding bearing.
  • the Sliding surface of the valve housing and / or on the sliding surface of the adjusting element at the Sliding surface of the valve housing and / or on the sliding surface of the adjusting element.
  • the lubricant channel at least partially over the height of the Sliding surface extends, the lubricant through the lubricant channel via a Height range of the sliding surface supplied, so that when turning or pivoting of the Adjustment a circumferential, on the (part) height extending lubrication results. Due to the course of the channel over at least a portion of the height is the sliding surface is evenly supplied with lubricant. Especially advantageous In this case, the lubricant channel runs over the entire height of the sliding surface, so that when turning or turning the adjusting after a few Valve movements results in a uniform distribution of the lubricant.
  • the Lubricant distribution is reproducible regardless of the play of the plain bearing one.
  • a conventional rotary valve of a brass instrument can only am outer edge of the sliding surface lubricant can be applied.
  • the distribution of Lubricant over the entire sliding surface of the plain bearings depends decisively from the play of the sliding bearing and its contamination by the use of the Brass instrument is entered into the warehouse.
  • the lubricant applied only very gradually between entered the sliding surfaces, so that excess lubricant undesirable Run off and other areas of the brass instrument or the valve could contaminate.
  • the sliding surface of the lubricant is not only in the axial direction, but also in Distributed circumferentially on the sliding surface, so that after only a few rotations or pivoting movements of the adjusting a full, the entire Extending the circumference of the sliding surface covering distribution of the lubricant.
  • the cross section of the bore is larger than the one of the lubricant channel, so that sufficient for the sliding surfaces amount of Lubricant is first deposited in the bore and from there through the Capillary effect can be gradually sucked into the lubricant channel. In this Case, the time required for the maintenance of the user is very short and a lateral Drainage of the lubricant can be easily avoided.
  • the volume of the bore corresponds to that required for lubrication Lubricant quantity, so that the user for the correct dosage only the bore needs to replenish with lubricant.
  • axially extending bore may be on the one sliding bearing or on the other plain bearing a groove adjacent to the sliding bearing, is connected to the at least one lubricant channel. It will be advantageous also deposited a sufficient amount of lubricant in the groove, which then due to the capillary effect along the lubricant channel on the bearing surface distributed.
  • the at least one lubricant channel in one Bearing surface of a bearing element of the adjusting element formed is considerably simplified.
  • At least one reservoir with a lubricant channel is advantageous at least assigned volume for receiving the lubricant.
  • the at least one lubricant channel can be connected to the reservoir, or an additional supply channel connects the at least one reservoir to one or several of the lubricant channels.
  • the reservoir can be independent of the location of the Lubricant channel be arranged on the valve body or the valve housing.
  • Fig. 1 shows a perspective view of a rotary valve 1 for a Brass instrument.
  • the valve body is removed and the lower Cap not screwed on.
  • On a valve housing 2 of the rotary valve. 1 four pipe flanges 3 are arranged, wherein in the illustration of FIG. 1, the fourth Pipe flange is hidden.
  • On the top of the valve body 2 is through a soldered upper bearing cap 4A closed.
  • the upper bearing cap 4A axially carries a bearing sleeve 5A, the inside with an upper bearing inner surface. 6 is provided.
  • the upper bearing inner surface 6 is slightly conical, with this opens in the example described with 0.7 ° downwards.
  • FIGS. 2a and 2b illustrate a lower bearing cap 4 in cross-sectional view and in FIG Perspective top view.
  • the lower bearing cap is from below into the Pressed valve housing and carries an axially aligned bearing sleeve 5B.
  • the Inner surface of the bearing sleeve forms the lower bearing inner surface 9.
  • the lower Bearing inner surface 9 is also slightly conical, with this here with opens at an opening angle of 0.7 ° (when mounting on the Valve housing 2 opposite opening angle with respect to the upper bearing inner surface 6 in the upper bearing cap 4A).
  • a lower cap 8 shown in side view in side view 8 for closing the underside of the valve housing 2 has an external thread 10, so that the lower cap 8 at the bottom of the valve housing 2 in this can be screwed in and unscrewed for maintenance.
  • FIGS. 4a and 4b show a valve body 11 for insertion into the rotary valve 1 of FIG Fig. 1.
  • the valve body 11 comprises a rotatably mounted in the valve housing 2 to be stored Change 12 with one air passage 13.
  • Change 12 with one air passage 13.
  • the change 12 is from a lower bearing pin 14 and an upper bearing pin 15 worn, wherein the lower bearing pin 14 in composite rotary valve 1 in lower bearing cap 4 B is stored, while the upper bearing pin 15 in the upper Bearing cover 4A is stored.
  • the lower bearing pin 14 has a lower Bearing outer surface 17 and the upper bearing pin 15 has an upper bearing outer surface 16.
  • the upper Bearing pin 15 is extended by a shaft extension 23, which is composed at Rotary valve 1 protrudes from the bearing sleeve 5, so that an actuating mechanism with the shaft extension 23 can be connected.
  • an upper channel 18 extends in a spiral path over the entire height H of the upper bearing outer surface 16.
  • Adjacent to the upper Bearing outer surface 16 is a groove 20 is formed, with which the upper channel 18th connected is.
  • the groove 20 protrudes from the upper Bearing sleeve 5A out.
  • the liquid Lubricant dripped into the groove 20 and by the capillary action of the upper channel 18 completely sucked into the upper channel 18, from where he by turning operation of the Valve body 11 even after a few pivoting movements evenly over the upper bearing surfaces 16, 6 is distributed.
  • the lower channel 19 In the lower bearing outer surface 17 helically extends a lower channel 19 via the height h of the lower bearing outer surface 17. As in the sectional view of Fig. 4b shown, the lower channel 19 is connected to a radial bore 22, which in turn opens in an axial bore 21. To lubricate the lower bearing is in the Axial bore 21 filled the liquid lubricant, so that this due to the Capillary action is sucked through the radial bore 22 to the lower channel 19. Again distributed after a few pivoting movements of the valve body 11 in Valve housing 2, the lubricant from the lower channel 19 over the entire surface the bearing surface pairing 17, 9.
  • both the upper and lower bearing pin 15, 14 and the change 12 conical.
  • these can all be in cylindrical shape or the cylindrical and conical shape of Bearing pins and change is mixed.
  • the change is conical, while the upper and / or the lower pin are cylindrical.
  • Fig. 5 shows a detailed view of another embodiment of the upper bearing pin 15.
  • Bei This bearing pin 15 is in the upper region of the bearing surface 16, an upper reservoir 30th arranged.
  • the reservoir 30 is above the annular groove 31 with the upper channel 18 in Connection.
  • the reservoir 30 receives a supply of lubricant when the lubricant is either poured directly into the reservoir or through Feed via the annular groove 31 fills.
  • the stored amount of lubricant is distributed via the annular groove 31 and the upper channel 18 on the outer bearing surface 16 and is There also over a longer useful life available.
  • Fig. 6 illustrates in detail a modification of the lower bearing pin 14, instead of the axial bore 21 and the radial bore 22 ( Figure 4b) have a lower reservoir 32 and a connecting channel 33 are formed.
  • the connecting channel 33 is connected to the lower channel 19 in communication and leads this lubricant from the reservoir 32nd to.
  • the frontal surface on the underside of the valve body 11 for Bearing cover 8 supplied with lubricant.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Taps Or Cocks (AREA)
  • Sliding-Contact Bearings (AREA)
  • Check Valves (AREA)
  • Toys (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Support Of The Bearing (AREA)

Abstract

The rotary valve (1) for wind instruments has a valve housing (2) and rotatably located adjustment component by means of at least one slide bearing (6). The slide bearing has at least one lubricant channel which extends at least partly over the height of the slide bearing. The cross-section of the at least one lubricant channel is so selected, that the lubricant by virtue of capillary effect is sucked into the lubricant channel. The cross-sectional surface is preferably in the range from 0.001 to 0.1 mm2. The lubricant channel extends in a helicoidal or screw-line form over at least a part of the height of the slide bearing. The lubricant channel is formed in a bearing surface of a bearing component of the adjustment component.

Description

Die Erfindung betrifft die Lagerung eines Drehventils für Blasinstrumente und ein Blasinstrument mit einem solchen Drehventil.The invention relates to the storage of a rotary valve for wind instruments and a Wind instrument with such a rotary valve.

Die EP 0 895 221 A2 offenbart ein Blasinstrument mit einem Umschaltventil, in dem ein Wechsel mit mehreren Luftführungen drehbar angeordnet ist. Der Wechsel ist im Gehäuse des Umschaltventils beidseitig in einem Gleitlager gelagert. In einer Drehstellung des Wechsels innerhalb des Gehäuses soll ein möglichst geradliniger Durchgang zwischen dem Ein- und Auslass vorgesehen werden, so dass ein möglichst verengungsfreier Durchgang entsteht.EP 0 895 221 A2 discloses a wind instrument with a switching valve in which a Change with several air ducts is rotatably arranged. The change is in the Housing of the change-over valve mounted on both sides in a plain bearing. In a Rotary position of the change within the housing should be as straight as possible Passage between the inlet and outlet are provided, so that as possible Constriction-free passage is created.

Die EP 0 340 801 B1 beschreibt als Stand der Technik einen Wechsel für ein Drehventil eines Blasinstrumentes mit ober- und unterhalb des Wechsels angeordneten Lagerstiften. Sowohl der Wechsel als auch der obere Lagerstift sind leicht konisch mit gleichgerichtetem Öffnungswinkel ausgebildet. Der untere Lagerstift ist ebenfalls konisch ausgebildet, hat jedoch einen Öffnungswinkel, der dem des Wechsels und des oberen Stiftes entgegensteht. Damit lässt sich, wie es allgemein bekannt ist, durch Verstellen des unteren Lagerstifts das Spiel zwischen Gehäuse und Wechsel einstellen, so dass der Wechsel wieder optimal im Ventilgehäuse gelagert ist.EP 0 340 801 B1 describes as prior art a change for a Rotary valve of a wind instrument with above and below the change arranged bearing pins. Both the change and the upper bearing pin are slightly conical with rectified opening angle. The lower bearing pin is also conical, but has an opening angle similar to that of the Change and the upper pin opposes. This is how it is general is known, by adjusting the lower bearing pin game between the housing and Set the change so that the change is optimally stored again in the valve housing.

US-A-2 511 255 offenbart eine Schmierung eines Kolbenventils für Blechblasinstrumente anhand eines Schmiermittelreservoirs innerhalb des Kolbenventils und anhand feiner, senkrecht zur Achse gerichteter Kanäle, durch welche der im Reservoir gespeicherte Schmierstoff an die gleitende Fläche des Ventils gelangt.US-A-2 511 255 discloses lubrication of a piston valve for brass instruments from a lubricant reservoir within the piston valve and from fine channels perpendicular to the axis, through which the lubricant stored in the reservoir reaches the sliding surface of the valve.

Es ist Aufgabe der Erfindung, ein Drehventil bzw. ein Blasinstrument mit einem solchen Drehventil vorzusehen, bei denen die Wartung bzw. Schmierung des Drehventils verbessert und vereinfacht ist.It is an object of the invention, a rotary valve or a wind instrument with such Provide rotary valve in which the maintenance or lubrication of the rotary valve improved and simplified.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 bzw. 14 gelöst. This object is achieved with the features of claim 1 and 14, respectively.

Bei dem Drehventil für Blasinstrumente ist in einem Ventilgehäuse ein Verstellelement, beispielsweise ein Wechsel, drehbar mittels eines Gleitlagers gelagert. Beispielsweise ist bei einem Drehventil für ein Blechblasinstrument das Verstellelement über zwei Gleitlager im Ventilgehäuse gelagert, wobei das eine Gleitlager oberhalb und das andere unterhalb des Verstellelements angeordnet ist. Erfindungsgemäß weist das zumindest eine Gleitlager des Drehventils zumindest einen Schmierstoffkanal auf, der sich zumindest teilweise über die Höhe des Gleitlagerflächenbereichs erstreckt. Dabei kann der zumindest eine Schmierstoffkanal an der inneren und/oder auch an der äußeren Lagerfläche des Gleitlagers ausgebildet sein. Beispielsweise an der Gleitfläche des Ventilgehäuses und/oder an der Gleitfläche des Verstellelements. Dadurch, dass sich der Schmierstoffkanal zumindest teilweise über die Höhe der Gleitfläche erstreckt, wird der Schmierstoff durch den Schmierstoffkanal über einen Höhenbereich der Gleitfläche zugeführt, so dass sich bei Drehen bzw. Schwenken des Verstellelements eine umfangsmäßige, über die (Teil-)Höhe erstreckende Schmierung ergibt. Durch den Verlauf des Kanals über zumindest einen Teilbereich der Höhe wird die Gleitfläche gleichmäßig mit Schmierstoff beaufschlagt. Besonders vorteilhaft verläuft dabei der Schmierstoffkanal über die gesamte Höhe der Gleitfläche, so dass sich beim Schwenken bzw. Drehen des Verstellelementes nach wenigen Ventilbewegungen eine gleichförmige Verteilung des Schmierstoffs ergibt. Die Schmierstoffverteilung stellt sich unabhängig vom Spiel des Gleitlagers reproduzierbar ein.In the rotary valve for wind instruments is in a valve housing an adjustment, For example, a change, rotatably supported by a sliding bearing. For example is in a rotary valve for a brass instrument, the adjustment over two Slide bearing mounted in the valve housing, wherein the one slide bearing above and another is arranged below the adjusting element. According to the invention that at least one sliding bearing of the rotary valve at least one lubricant channel, the extends at least partially over the height of the sliding bearing surface area. there the at least one lubricant channel on the inner and / or on the be formed outer bearing surface of the sliding bearing. For example, at the Sliding surface of the valve housing and / or on the sliding surface of the adjusting element. The fact that the lubricant channel at least partially over the height of the Sliding surface extends, the lubricant through the lubricant channel via a Height range of the sliding surface supplied, so that when turning or pivoting of the Adjustment a circumferential, on the (part) height extending lubrication results. Due to the course of the channel over at least a portion of the height is the sliding surface is evenly supplied with lubricant. Especially advantageous In this case, the lubricant channel runs over the entire height of the sliding surface, so that when turning or turning the adjusting after a few Valve movements results in a uniform distribution of the lubricant. The Lubricant distribution is reproducible regardless of the play of the plain bearing one.

Bei einem herkömmlichen Drehventil eines Blechblasinstruments kann lediglich am äußeren Rand der Gleitfläche Schmierstoff aufgetragen werden. Die Verteilung des Schmierstoffs über die gesamte Gleitfläche der Gleitlager hängt dabei entscheidend ab vom Spiel des Gleitlagers und dessen Verunreinigung, die durch die Nutzung des Blechblasinstrumentes ins Lager eingetragen wird. Des weiteren wurde beim herkömmlichen Drehventil der aufgetragene Schmierstoff nur sehr allmählich zwischen die Gleitflächen eingetragen, so dass überschüssiger Schmierstoff unerwünschter Weise ablaufen und andere Bereiche des Blechblasinstrumentes bzw. des Ventils verunreinigen konnte.In a conventional rotary valve of a brass instrument can only am outer edge of the sliding surface lubricant can be applied. The distribution of Lubricant over the entire sliding surface of the plain bearings depends decisively from the play of the sliding bearing and its contamination by the use of the Brass instrument is entered into the warehouse. Furthermore, at the conventional rotary valve, the lubricant applied only very gradually between entered the sliding surfaces, so that excess lubricant undesirable Run off and other areas of the brass instrument or the valve could contaminate.

Besonders dann, wenn aufgrund des gewählten Querschnitts des Schmierstoffkanals für den Schmierstoff eine Kapillarwirkung resultiert, wird der aufgetragene Schmierstoff sehr schnell in erforderlicher Menge in den Kanal aufgesogen, so dass sich Schmierstoff-Verunreinigungen der an das Gleitlager angrenzenden Bereiche effizient vermeiden lassen.Especially if, due to the selected cross-section of the lubricant channel For the lubricant capillary action results, the applied lubricant absorbed very quickly in required amount in the channel, so that Lubricant contamination of adjacent areas of the sliding bearing efficiently avoid it.

Durch einen helix- oder schraubenlinienartigen Verlauf des Schmierstoffkanals entlang der Gleitfläche wird der Schmierstoff nicht nur in axiale Richtung, sondern auch in Umfangsrichtung auf der Gleitfläche verteilt, so dass sich schon nach wenigen Dreh- bzw. Schwenkbewegungen des Verstellelements eine vollständige, den gesamten Umfang der Gleitfläche abdeckende Verteilung des Schmierstoffs erreichen lässt.Through a helical or helical course along the lubricant channel The sliding surface of the lubricant is not only in the axial direction, but also in Distributed circumferentially on the sliding surface, so that after only a few rotations or pivoting movements of the adjusting a full, the entire Extending the circumference of the sliding surface covering distribution of the lubricant.

Ist zumindest ein Gleitlager als Stift oder Welle ausgebildet, und weist der Stift oder die Welle eine axiale verlaufende Bohrung zum Zuführen des Schmierstoffes auf, so kann der Schmierstoff auch an einer von der Gleitfläche beabstandeten Stelle zugeführt werden. Vorteilhaft ist dabei auch der Querschnitt der Bohrung größer als derjenige des Schmierstoffkanals, so dass eine für die Gleitflächen ausreichende Menge von Schmierstoff zunächst in der Bohrung deponiert wird und von dort durch den Kapillareffekt allmählich in den Schmierstoffkanal abgesogen werden kann. In diesem Fall ist der Zeitaufwand der Wartung für den Nutzer sehr kurz und ein seitliches Ablaufen des Schmierstoffes lässt sich auf einfache Weise vermeiden. Vorteilhaft entspricht das Volumen der Bohrung der für die Schmierung notwendigen Schmierstoffmenge, so dass der Nutzer zur richtigen Dosierung lediglich die Bohrung mit Schmierstoff aufzufüllen braucht.Is at least one sliding bearing designed as a pin or shaft, and has the pin or the Shaft an axial bore for supplying the lubricant, so can the lubricant is also supplied at a location spaced from the sliding surface become. Advantageously, the cross section of the bore is larger than the one of the lubricant channel, so that sufficient for the sliding surfaces amount of Lubricant is first deposited in the bore and from there through the Capillary effect can be gradually sucked into the lubricant channel. In this Case, the time required for the maintenance of the user is very short and a lateral Drainage of the lubricant can be easily avoided. Advantageous the volume of the bore corresponds to that required for lubrication Lubricant quantity, so that the user for the correct dosage only the bore needs to replenish with lubricant.

Zusätzlich oder alternativ zur axial verlaufenden Bohrung kann an dem einen Gleitlager oder am anderen Gleitlager eine Nut angrenzend an das Gleitlager vorgesehen sein, mit dem zumindest ein Schmierstoffkanal verbunden ist. Vorteilhaft wird dabei ebenfalls eine ausreichende Schmierstoffmenge in der Nut deponiert, die sich dann aufgrund des Kapillareffekts entlang des Schmierstoffkanals auf der Lagerfläche verteilt.Additionally or alternatively to the axially extending bore may be on the one sliding bearing or on the other plain bearing a groove adjacent to the sliding bearing, is connected to the at least one lubricant channel. It will be advantageous also deposited a sufficient amount of lubricant in the groove, which then due to the capillary effect along the lubricant channel on the bearing surface distributed.

Ganz besonders vorteilhaft ist der zumindest eine Schmierstoffkanal in einer Lagerfläche eines Lagerelements des Verstellelements ausgebildet. Daher müssen entsprechend gegenwirkende Lagerflächen im Ventilgehäuse oder an Elementen, die mit dem Ventilgehäuse verbunden sind, nicht vorgesehen werden. Die Herstellung eines Schmierstoffkanals vorzugsweise in der Außenlagerfläche des Lagerelements des Verstellelements ist dabei wesentlich vereinfacht. Especially advantageous is the at least one lubricant channel in one Bearing surface of a bearing element of the adjusting element formed. Therefore, must correspondingly opposing bearing surfaces in the valve housing or on elements that are not provided with the valve housing. The production a lubricant channel, preferably in the outer bearing surface of the bearing element the adjusting element is considerably simplified.

Vorteilhaft ist zumindest einem Schmierstoffkanal zumindest ein Reservoir mit einem vorgegebenen Volumen zur Aufnahme des Schmierstoffes beigeordnet. In Ausführung kann der zumindest eine Schmierstoffkanal mit dem Reservoir verbunden sein, oder ein zusätzlicher Zufuhrkanal verbindet das zumindest eine Reservoir mit einem oder mehreren der Schmierstoffkanäle. Das Reservoir kann unabhängig von der Lage des Schmierstoffkanals am Ventilkörper oder am Ventilgehäuse angeordnet sein.At least one reservoir with a lubricant channel is advantageous at least assigned volume for receiving the lubricant. In execution the at least one lubricant channel can be connected to the reservoir, or an additional supply channel connects the at least one reservoir to one or several of the lubricant channels. The reservoir can be independent of the location of the Lubricant channel be arranged on the valve body or the valve housing.

Anhand von Zeichnungen werden Ausführungsformen der Erfindung erläutert. Es zeigen:

Fig. 1
ein Drehventil bei herausgenommenem Ventilkörper in perspektivischer Ansicht,
Fig. 2a
den unteren Lagerdeckel des Drehventils von Fig. 1 im Querschnitt,
Fig. 2b
den unteren Lagerdeckel von Fig. 2a in perspektivischer Ansicht,
Fig. 3
eine Seitenansicht einer unteren Verschlusskappe für das Drehventil von Fig. 1,
Fig. 4a
eine Seitenansicht eines Ventilkörpers für das Drehventil von Fig. 1,
Fig. 4b
den Ventilkörper in Querschnittsdarstellung längs der Linie A-A in Fig. 4a,
Fig. 5
eine weitere Ausführung des oberen Lagerstifts und
Fig. 6
eine weitere Ausführung des unteren Lagerstifts.
With reference to drawings, embodiments of the invention will be explained. Show it:
Fig. 1
a rotary valve with the valve body removed in a perspective view,
Fig. 2a
the lower bearing cap of the rotary valve of Fig. 1 in cross section,
Fig. 2b
the lower bearing cap of Fig. 2a in perspective view,
Fig. 3
1 is a side view of a lower cap for the rotary valve of FIG. 1,
Fig. 4a
1 is a side view of a valve body for the rotary valve of FIG. 1,
Fig. 4b
the valve body in cross-sectional view along the line AA in Fig. 4a,
Fig. 5
another embodiment of the upper bearing pin and
Fig. 6
another embodiment of the lower bearing pin.

Fig. 1 zeigt eine perspektivische Ansicht eines Drehventils 1 für ein Blechblasinstrument. In der Darstellung ist der Ventilkörper entnommen und die untere Verschlusskappe nicht aufgeschraubt. An einem Ventilgehäuse 2 des Drehventils 1 sind vier Rohrflansche 3 angeordnet, wobei in der Darstellung von Fig. 1 der vierte Rohrflansch verdeckt angeordnet ist. Auf der Oberseite ist das Ventilgehäuse 2 durch einen eingelöteten, oberen Lagerdeckel 4A verschlossen. Der obere Lagerdeckel 4A trägt axial eine Lagerhülse 5A, die innenseitig mit einer oberen Lagerinnenfläche 6 versehen ist. Die obere Lagerinnenfläche 6 ist leicht konisch ausgebildet, wobei sich diese im beschriebenen Beispiel mit 0,7 ° nach unten hin öffnet.Fig. 1 shows a perspective view of a rotary valve 1 for a Brass instrument. In the illustration, the valve body is removed and the lower Cap not screwed on. On a valve housing 2 of the rotary valve. 1 four pipe flanges 3 are arranged, wherein in the illustration of FIG. 1, the fourth Pipe flange is hidden. On the top of the valve body 2 is through a soldered upper bearing cap 4A closed. The upper bearing cap 4A axially carries a bearing sleeve 5A, the inside with an upper bearing inner surface. 6 is provided. The upper bearing inner surface 6 is slightly conical, with this opens in the example described with 0.7 ° downwards.

Die Fig. 2a und 2b stellen einen unteren Lagerdeckel 4 in Querschnittsansicht und in perspektivischer Draufsicht dar. Der untere Lagerdeckel wird von unten in das Ventilgehäuse eingepresst und trägt eine axial ausgerichtete Lagerhülse 5B. Die Innenfläche der Lagerhülse bildet die untere Lagerinnenfläche 9. Die untere Lagerinnenfläche 9 ist ebenfalls leicht konisch ausgebildet, wobei sich diese hier mit einem Öffnungswinkel von 0,7 ° nach oben hin öffnet (bei Montage auf dem Ventilgehäuse 2 gegensinniger Öffnungswinkel bezüglich der oberen Lagerinnenfläche 6 im oberen Lagerdeckel 4A).FIGS. 2a and 2b illustrate a lower bearing cap 4 in cross-sectional view and in FIG Perspective top view. The lower bearing cap is from below into the Pressed valve housing and carries an axially aligned bearing sleeve 5B. The Inner surface of the bearing sleeve forms the lower bearing inner surface 9. The lower Bearing inner surface 9 is also slightly conical, with this here with opens at an opening angle of 0.7 ° (when mounting on the Valve housing 2 opposite opening angle with respect to the upper bearing inner surface 6 in the upper bearing cap 4A).

Eine in Fig. 3 in Seitenansicht dargestellte untere Verschlußkappe 8 zum Verschließen der Unterseite des Ventilgehäuses 2 weist ein Außengewinde 10 auf, so dass die untere Verschlußkappe 8 an der Unterseite des Ventilgehäuses 2 in dieses einschraubbar und zur Wartung abschraubbar ist.A lower cap 8 shown in side view in side view 8 for closing the underside of the valve housing 2 has an external thread 10, so that the lower cap 8 at the bottom of the valve housing 2 in this can be screwed in and unscrewed for maintenance.

Die Fig. 4a und 4b zeigen einen Ventilkörper 11 zum Einsetzen in das Drehventil 1 von Fig. 1. Der Ventilkörper 11 umfasst einen im Ventilgehäuse 2 drehbar zu lagernden Wechsel 12 mit einem Luftdurchgang 13. Je nach Drehstellung des Wechsels 12 im Ventilgehäuse 2 verbindet der Luftdurchgang 13 auf herkömmliche Weise in einer ersten Stellung einen ersten Einlass mit einem ersten Auslaß (Rohrflansch 3-3) und in einer zweiten Stellung einen zweiten Einlass mit einem zweiten Auslass (Rohrflansch 3-3). Der Wechsel 12 wird von einem unteren Lagerstift 14 und einem oberen Lagerstift 15 getragen, wobei der untere Lagerstift 14 bei zusammengesetztem Drehventil 1 im unteren Lagerdeckel 4B gelagert ist, während der obere Lagerstift 15 im oberen Lagerdeckel 4A gelagert ist. Der untere Lagerstift 14 weist eine untere Lageraußenfläche 17 und der obere Lagerstift 15 eine obere Lageraußenfläche 16 auf. Nach dem Einsetzen des Ventilkörpers 11 in das Ventilgehäuse 2 ergeben jeweils die obere Lageraußenfläche 16 und die obere Lagerinnenfläche 6 sowie die untere Lageraußenfläche 17 und die untere Lagerinnenfläche 9 eine Lagerpaarung. Der obere Lagerstift 15 ist durch einen Wellenansatz 23 verlängert, der bei zusammengesetztem Drehventil 1 aus der Lagerhülse 5 heraussteht, so dass eine Betätigungsmechanik mit dem Wellenansatz 23 verbunden werden kann.FIGS. 4a and 4b show a valve body 11 for insertion into the rotary valve 1 of FIG Fig. 1. The valve body 11 comprises a rotatably mounted in the valve housing 2 to be stored Change 12 with one air passage 13. Depending on the rotational position of the change 12 in Valve housing 2 connects the air passage 13 in a conventional manner in one first position a first inlet with a first outlet (pipe flange 3-3) and in a second position, a second inlet with a second outlet (pipe flange 3-3). The change 12 is from a lower bearing pin 14 and an upper bearing pin 15 worn, wherein the lower bearing pin 14 in composite rotary valve 1 in lower bearing cap 4 B is stored, while the upper bearing pin 15 in the upper Bearing cover 4A is stored. The lower bearing pin 14 has a lower Bearing outer surface 17 and the upper bearing pin 15 has an upper bearing outer surface 16. After insertion of the valve body 11 in the valve housing 2 each give the upper bearing outer surface 16 and the upper bearing inner surface 6 and the lower Bearing outer surface 17 and the lower bearing inner surface 9 a bearing pairing. The upper Bearing pin 15 is extended by a shaft extension 23, which is composed at Rotary valve 1 protrudes from the bearing sleeve 5, so that an actuating mechanism with the shaft extension 23 can be connected.

In der oberen Lageraußenfläche 16 verläuft ein oberer Kanal 18 in einer Spiralbahn über die gesamte Höhe H der oberen Lageraußenfläche 16. Angrenzend an die obere Lageraußenfläche 16 ist eine Nut 20 ausgebildet, mit der der obere Kanal 18 verbunden ist. Bei zusammengesetztem Drehventil 1 ragt die Nut 20 aus der oberen Lagerhülse 5A heraus. Zum Schmieren des oberen Lagers, wird der flüssige Schmierstoff in die Nut 20 eingetropft und durch die Kapillarwirkung des oberen Kanals 18 vollständig in den oberen Kanal 18 eingesaugt, von wo er durch Drehbetätigung des Ventilkörpers 11 bereits nach wenigen Schwenkbewegungen gleichmäßig über die oberen Lagerflächen 16, 6 verteilt wird.In the upper bearing outer surface 16, an upper channel 18 extends in a spiral path over the entire height H of the upper bearing outer surface 16. Adjacent to the upper Bearing outer surface 16 is a groove 20 is formed, with which the upper channel 18th connected is. When assembled rotary valve 1, the groove 20 protrudes from the upper Bearing sleeve 5A out. To lubricate the upper bearing, the liquid Lubricant dripped into the groove 20 and by the capillary action of the upper channel 18 completely sucked into the upper channel 18, from where he by turning operation of the Valve body 11 even after a few pivoting movements evenly over the upper bearing surfaces 16, 6 is distributed.

In der unteren Lageraußenfläche 17 verläuft wendelförmig ein unterer Kanal 19 über die Höhe h der unteren Lageraußenfläche 17. Wie in der Schnittdarstellung der Fig. 4b gezeigt, ist der untere Kanal 19 mit einer Radialbohrung 22 verbunden, die wiederum in einer Axialbohrung 21 mündet. Zum Schmieren des unteren Lagers wird in die Axialbohrung 21 der flüssige Schmierstoff eingefüllt, so dass dieser aufgrund der Kapillarwirkung durch die Radialbohrung 22 zum unteren Kanal 19 gesaugt wird. Wiederum verteilt sich nach wenigen Schwenkbewegungen des Ventilkörpers 11 im Ventilgehäuse 2 der Schmierstoff aus dem unteren Kanal 19 über die gesamte Fläche der Lagerflächenpaarung 17, 9.In the lower bearing outer surface 17 helically extends a lower channel 19 via the height h of the lower bearing outer surface 17. As in the sectional view of Fig. 4b shown, the lower channel 19 is connected to a radial bore 22, which in turn opens in an axial bore 21. To lubricate the lower bearing is in the Axial bore 21 filled the liquid lubricant, so that this due to the Capillary action is sucked through the radial bore 22 to the lower channel 19. Again distributed after a few pivoting movements of the valve body 11 in Valve housing 2, the lubricant from the lower channel 19 over the entire surface the bearing surface pairing 17, 9.

Im dargestellten Beispiel sind sowohl der obere und untere Lagerstift 15, 14 als auch der Wechsel 12 konisch ausgebildet. In anderer Ausführung können diese alle in zylindrischer Form ausgebildet sein oder die zylindrische und konische Form von Lagerstiften und Wechsel liegt gemischt vor. Beispielsweise ist der Wechsel konisch, während der obere und/oder der untere Stift zylindrisch ausgebildet sind.In the example shown, both the upper and lower bearing pin 15, 14 and the change 12 conical. In another version, these can all be in cylindrical shape or the cylindrical and conical shape of Bearing pins and change is mixed. For example, the change is conical, while the upper and / or the lower pin are cylindrical.

Fig. 5 zeigt eine Detailansicht einer weiteren Ausführung des oberen Lagerstifts 15. Bei diesem Lagerstift 15 ist im oberen Bereich der Lagerfläche 16 ein oberes Reservoir 30 angeordnet. Das Reservoir 30 steht über die Ringnut 31 mit dem oberen Kanal 18 in Verbindung. Das Reservoir 30 nimmt eine Vorratsmenge an Schmierstoff auf, wenn der Schmierstoff entweder unmittelbar in das Reservoir eingefüllt wird oder sich durch Zufuhr über die Ringnut 31 füllt. Die bevorratete Menge an Schmierstoff verteilt sich über die Ringnut 31 und den oberen Kanal 18 auf die äußere Lagerfläche 16 und steht dort auch über eine längere Nutzungsdauer zur Verfügung.Fig. 5 shows a detailed view of another embodiment of the upper bearing pin 15. Bei This bearing pin 15 is in the upper region of the bearing surface 16, an upper reservoir 30th arranged. The reservoir 30 is above the annular groove 31 with the upper channel 18 in Connection. The reservoir 30 receives a supply of lubricant when the lubricant is either poured directly into the reservoir or through Feed via the annular groove 31 fills. The stored amount of lubricant is distributed via the annular groove 31 and the upper channel 18 on the outer bearing surface 16 and is There also over a longer useful life available.

Fig. 6 stellt im Detail eine Abwandlung des unteren Lagerstifts 14 dar, bei der anstelle der Axialbohrung 21 und der Radialbohrung 22 (Fig. 4b) ein unteres Reservoir 32 und ein Verbindungskanal 33 ausgebildet sind. Der Verbindungskanal 33 steht mit dem unteren Kanal 19 in Verbindung und führt diesem Schmiermittel aus dem Reservoir 32 zu. Gleichzeitig wird die stirnseitige Fläche an der Unterseite des Ventilkörpers 11 zum Lagerdeckel 8 mit Schmierstoff versorgt.Fig. 6 illustrates in detail a modification of the lower bearing pin 14, instead of the axial bore 21 and the radial bore 22 (Figure 4b) have a lower reservoir 32 and a connecting channel 33 are formed. The connecting channel 33 is connected to the lower channel 19 in communication and leads this lubricant from the reservoir 32nd to. At the same time, the frontal surface on the underside of the valve body 11 for Bearing cover 8 supplied with lubricant.

Claims (12)

  1. A rotary valve for wind instruments comprising a valve housing (2) and a setting element (11) pivotably mounted in the valve housing by means of at least one plain bearing (6, 16; 9, 17) characterized in that said at least one plain bearing (6, 16; 9, 17) has at least one lubricant channel (18, 19) extending at least partially over the height (H, h) of said at least one plain bearing (6, 16; 9, 17).
  2. The rotary valve according to claim 1 characterized in that the cross section of said at least one lubricant channel (18, 19) is selected in that way that the lubricant is absorbable into the lubricant channel due to the capillary effect.
  3. The rotary valve according to claim 1 or 2 characterized in that the cross sectional area is in the range of 1*10-5 to 1 mm2, preferably in the range of 0.0001 to 0.1 mm2.
  4. The rotary valve according to claim 1, 2 or 3 characterized in that said at least one lubricant channel (18, 19) is helically extending over at least a part of said height (H, h) of said plain bearing (6, 16; 9, 17).
  5. The rotary valve according to any of the previous claims characterized in that said at least one lubricant channel (18, 19) is formed in a bearing area of a bearing element of said setting element (11).
  6. The rotary valve according to any of the previous claims characterized in that at least one bearing element (14, 15) of the setting element (11) is pin-formed or shaft-formed.
  7. The rotary valve according to claim 6 characterized in that the bearing element (14) comprises a bore (21) running in axial direction for feeding the lubricant, wherein the bore (21) is connected to said at least one lubricant channel via at least one side channel.
  8. The rotary valve according to claim 7 characterized in that the bore (21) is an axial bore in the bearing element (14).
  9. The rotary valve according to claim 7 or 8 characterized in that said at least one side channel (22) is a radially running bore.
  10. The rotary valve according to any of the previous claims characterized in that adjacent to the bearing element (15) of the setting element (11) a recess, particularly a groove (20) is formed to which said at least one lubricant channel (18) is connected.
  11. The rotary valve according to any of the previous claims characterized in that said pivotably mounted setting element (11) is a switching device.
  12. A wind instrument, particularly a brass wind instrument, comprising at least one rotary valve (1) according to one of the previous claims.
EP03022122A 2002-11-28 2003-09-30 Brass wind musical instrument and rotary valve therefore Expired - Lifetime EP1424681B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330033T SI1424681T1 (en) 2002-11-28 2003-09-30 Brass wind musical instrument and rotary valve therefore

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20218484U DE20218484U1 (en) 2002-11-28 2002-11-28 Wind instrument and rotary valve for this
DE20218484U 2002-11-28

Publications (2)

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EP1424681A1 EP1424681A1 (en) 2004-06-02
EP1424681B1 true EP1424681B1 (en) 2005-04-06

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Application Number Title Priority Date Filing Date
EP03022122A Expired - Lifetime EP1424681B1 (en) 2002-11-28 2003-09-30 Brass wind musical instrument and rotary valve therefore

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EP (1) EP1424681B1 (en)
AT (1) ATE292839T1 (en)
DE (2) DE20218484U1 (en)
SI (1) SI1424681T1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008006483A1 (en) 2007-03-07 2008-09-11 Pfreimbtner, Ulrich Adjustment element for rotary valves of wind instruments

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105280163A (en) * 2014-07-22 2016-01-27 天津市津宝乐器有限公司 Piston part for horn
CN108962197B (en) * 2018-07-02 2024-03-29 程楠 String adjusting device
CN113450740B (en) * 2021-06-30 2023-06-13 杨帆 Musical instrument rotary valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511255A (en) * 1948-02-26 1950-06-13 Vinton R Springer Lubricating means for musical instruments
US4501220A (en) * 1983-06-15 1985-02-26 Allsop, Inc. Musical instrument valve cleaning/lubricating device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008006483A1 (en) 2007-03-07 2008-09-11 Pfreimbtner, Ulrich Adjustment element for rotary valves of wind instruments
DE102008006483B4 (en) * 2007-03-07 2009-05-20 Ulrich Pfreimbtner Adjustment element for rotary valves of wind instruments

Also Published As

Publication number Publication date
EP1424681A1 (en) 2004-06-02
ATE292839T1 (en) 2005-04-15
DE50300427D1 (en) 2005-05-12
DE20218484U1 (en) 2003-02-06
SI1424681T1 (en) 2005-10-31

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