ITTO20090073A1 - DEVICE FOR TENSIONING BELTS WITHOUT COMPONENTS INTENDED FOR SUBMISSION - Google Patents

DEVICE FOR TENSIONING BELTS WITHOUT COMPONENTS INTENDED FOR SUBMISSION Download PDF

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Publication number
ITTO20090073A1
ITTO20090073A1 IT000073A ITTO20090073A ITTO20090073A1 IT TO20090073 A1 ITTO20090073 A1 IT TO20090073A1 IT 000073 A IT000073 A IT 000073A IT TO20090073 A ITTO20090073 A IT TO20090073A IT TO20090073 A1 ITTO20090073 A1 IT TO20090073A1
Authority
IT
Italy
Prior art keywords
submission
belt
holes
tensioning
components intended
Prior art date
Application number
IT000073A
Other languages
Italian (it)
Inventor
Nicolo' Bargione
Original Assignee
Nicolo' Bargione
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 Nicolo' Bargione filed Critical Nicolo' Bargione
Priority to IT000073A priority Critical patent/ITTO20090073A1/en
Publication of ITTO20090073A1 publication Critical patent/ITTO20090073A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H7/0829—Means for varying tension of belts, ropes or chains  with vibration damping means
    • F16H7/0838—Means for varying tension of belts, ropes or chains  with vibration damping means of the dissipating material type, e.g. elastomeric spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H7/10—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley
    • F16H7/1209—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley with vibration damping means
    • F16H7/1245—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley with vibration damping means of the dissipating material type, e.g. elastomeric spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

Descrizione dell’invenzione industriale dal titolo : TENDICINGHIA PRIVO DI PARTI DI FRIZIONE. Description of the industrial invention entitled: BELT TENSIONER WITHOUT CLUTCH PARTS.

DESCRIZIONE DESCRIPTION

La presente invenzione ha per oggetto un tendicinghia privo di parti di frizione. I tendicinghia finora presentano l’inconveniente dell’usura dovuta alle frizioni tra componenti che lo costiuiscono necessarie al loro funzionamento. Ed alla loro incidenza laterale rispetto alla cinghia da tensionare, tale posizione a lungo andare portava in modo inevitabile un azione di leva con conseguente disallineamento del dispositivo tensionatore vincolandone così la durata ed aumentando i costi di realizzazione The present invention relates to a belt tensioner without friction parts. The belt tensioners so far have the drawback of wear due to the friction between components that make them necessary for their operation. And due to their lateral incidence with respect to the belt to be tensioned, this position inevitably led in the long run to a lever action with consequent misalignment of the tensioning device, thus constraining its duration and increasing production costs.

L’invenzione ovvia a questo inconveniente prevedendo la realizzazione del corpo tenditore in un unico blocco. Non avendo componenti destinati a subire frizioni il trovato non solo avrà costi di realizzazione nettamente inferiori ma anche una durata superiore. The invention obviates this drawback by providing for the construction of the tensioning body in a single block. Not having components destined to undergo friction, the invention will not only have significantly lower manufacturing costs but also a longer duration.

In una attuazione vantaggiosa del trovato il corpo tenditore comprende due fori passanti per l’ancoraggio (flg.l/A) onde poter distribuire correttamente la coppia motrice esercitata, applicati agli estremi della parte inferiore del trovato, due fori passanti per il centro degli archi di smorzamento (fig. l/C) i quali contribuiscono al precarico di installazione interagendo tramite una vite filettata la quale effettua la sua presa su un foro filettato posto sullo zenit di questi ultimi (fig. 1/B), un cuscinetto cilindrico a contatto con la cinghia da tensionare il quale si agirà in direzione perpendicolare rispetto al punto di contatto con la cinghia sudetta (fig. 1/D). In an advantageous embodiment of the invention, the tensioning body comprises two through holes for anchoring (fig. 1 / A) in order to correctly distribute the driving torque exerted, applied to the ends of the lower part of the invention, two through holes for the center of the arches damping (fig. l / C) which contribute to the installation preload by interacting through a threaded screw which engages a threaded hole placed on the zenith of the latter (fig. 1 / B), a cylindrical contact bearing with the belt to be tensioned which will act perpendicular to the point of contact with the aforementioned belt (fig. 1 / D).

L’invenzione verrà ora spiegata con riferimento al disegno allegato mostrante una forma semplificativa di esecuzione del tendicinghia privo di parti di frizione, secondo l’invenzione: The invention will now be explained with reference to the attached drawing showing a simplified form of execution of the belt tensioner without friction parts, according to the invention:

La figura 1 è un’elevazione frontale del tendicinghia completo. Figure 1 is a front elevation of the complete belt tensioner.

Le figure 2 e 3 mostrano rispettivamente la parte superiore ed inferiore del tendincinghia. Figures 2 and 3 show respectively the upper and lower part of the belt tensioner.

La figura 4 mostra la sezione laterale del tendicinghia (in tutte le 4 figure si può notare la perfetta simmetria verticale che corrisponde all’angolo di lavoro). Figure 4 shows the side section of the belt tensioner (in all 4 figures you can see the perfect vertical symmetry that corresponds to the working angle).

Il disegno “A” indica 2 fori di ancoraggio situati agli estremi della base destinati sia all’installazione del tendicinghia che alla ripartizione simmetrica coppia motrice sollecitante. Drawing "A" indicates 2 anchoring holes located at the ends of the base intended for both the installation of the belt tensioner and the symmetrical distribution of the stressing drive torque.

I disegni “B e C” indicano non solo la perfetta simmetria, ma anche il precarico, che avviene per compressione del corpo tensionatore tramite una vite facente presa al foro filettato superiore ed ai fori passanti inferiori crea la sudetta compressione agevolando l’installazione. The drawings "B and C" indicate not only the perfect symmetry, but also the preload, which occurs by compression of the tensioner body by means of a screw gripping the upper threaded hole and the lower through holes creates the aforementioned compression, facilitating installation.

II disegno “D” indica il cuscinetto asportabile in caso di usura, operante a contatto con la cinghia da tensionare il quale avrà un angolo di incidenza di 90 gradi rispetto alla cinghia per una perfetta ripartizione della coppia motrice lasciando intatto l’asse di simmetria. The design "D" indicates the removable bearing in case of wear, operating in contact with the belt to be tensioned which will have an incidence angle of 90 degrees with respect to the belt for a perfect distribution of the drive torque while leaving the axis of symmetry intact.

In particolare i particolari di esecuzione potranno comunque variare senza uscire dall’ambito del trovato e quindi dal dominio del brevetto d’invenzione. In particular, the details of execution may in any case vary without departing from the scope of the invention and therefore from the domain of the invention patent.

TENDICINGHIA PRIVO DI PARTI DI FRIZIONE BELT TENSIONER WITHOUT CLUTCH PARTS

Questo prototipo di tendicinghia rappresenta il non - plus ultra della tecnologia fino ad ora applicata sui motori a scoppio. This prototype belt tensioner represents the non - plus ultra of the technology applied up to now on internal combustion engines.

In quanto tutti i metodi di tensionamento cinghie per la trasmissione di potenza sono sempre stati legati a componenti destinati a subire frizioni tra loro, limitando di conseguenza la durata dei suddetti. Since all belt tensioning methods for power transmission have always been linked to components destined to undergo friction with each other, consequently limiting the duration of the aforementioned.

Con il prototipo qui illustrato si vanno ad abbattere tutti questi limiti in quanto il prototipo non necessita in maniera alcuna di particolari destinati a subire frizioni. With the prototype illustrated here, all these limits are eliminated as the prototype does not need any details intended to undergo frictions.

Essendo l’intero corpo realizzato in un unico blocco oltre che evitare frizioni si abbattono i costi di produzione. Since the entire body is made in a single block, production costs are reduced as well as avoiding friction.

In oltre con la sua elevata rigidità sarà quindi consentito l’impiego di elementi conduttrici o condotti più leggeri rendendo così la coppia del motore più diretta e con un risparmio di carburante direttamente proporzionale. In addition, its high rigidity will therefore allow the use of conductive elements or lighter ducts thus making the engine torque more direct and with directly proportional fuel savings.

Claims (2)

RIVENDICAZIONI 1) Dispositivo di tensionamento cinghie di trasmissione caratterizzato dal fatto che non ha parti di frizione. CLAIMS 1) Transmission belt tensioning device characterized by the fact that it has no friction parts. 2) Dispositivo di tensionamento cinghie di trasmissione, caratterizzata da ciò che il suo corpo comprende: un cuscinetto cilindrico oppure all 'occorrenza scanalato, 2 basi curve per lo smorzamento sismico, 2 fori passanti per l’ancoraggio, 2 fori passanti per le basi di smorzamento destinati al precarico, un foro filettato sullo zenit dei passanti inferiori essenziale al precarico.2) Device for tensioning transmission belts, characterized by what its body includes: a cylindrical bearing or, if necessary, grooved, 2 curved bases for seismic damping, 2 through holes for anchoring, 2 through holes for the bases of damping intended for preload, a threaded hole on the zenith of the lower passers essential for preload.
IT000073A 2009-02-05 2009-02-05 DEVICE FOR TENSIONING BELTS WITHOUT COMPONENTS INTENDED FOR SUBMISSION ITTO20090073A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT000073A ITTO20090073A1 (en) 2009-02-05 2009-02-05 DEVICE FOR TENSIONING BELTS WITHOUT COMPONENTS INTENDED FOR SUBMISSION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000073A ITTO20090073A1 (en) 2009-02-05 2009-02-05 DEVICE FOR TENSIONING BELTS WITHOUT COMPONENTS INTENDED FOR SUBMISSION

Publications (1)

Publication Number Publication Date
ITTO20090073A1 true ITTO20090073A1 (en) 2010-08-06

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481836A1 (en) * 1990-10-16 1992-04-22 Caoutchouc Manufacture Et Plastiques Tensioning device for belt tensioning idler, functioning by elastic deformation of a parallel epipedic body
EP0724094A2 (en) * 1994-09-07 1996-07-31 Franco Canova Tensioner, especially for flexible transmission parts
DE102007001910A1 (en) * 2007-01-12 2008-07-17 Schaeffler Kg Clamping and sealing element for belt tensioner of belt drive of internal combustion engine, has arrangement of leaf springs and is arranged in annular housing with axle, where housing has lever arm on whose end tensioner pulley is arranged
US20090118045A1 (en) * 2007-11-01 2009-05-07 Yahya Hodjat Tensioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481836A1 (en) * 1990-10-16 1992-04-22 Caoutchouc Manufacture Et Plastiques Tensioning device for belt tensioning idler, functioning by elastic deformation of a parallel epipedic body
EP0724094A2 (en) * 1994-09-07 1996-07-31 Franco Canova Tensioner, especially for flexible transmission parts
DE102007001910A1 (en) * 2007-01-12 2008-07-17 Schaeffler Kg Clamping and sealing element for belt tensioner of belt drive of internal combustion engine, has arrangement of leaf springs and is arranged in annular housing with axle, where housing has lever arm on whose end tensioner pulley is arranged
US20090118045A1 (en) * 2007-11-01 2009-05-07 Yahya Hodjat Tensioner

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