EP2409042B1 - Fixing assembly for pneumatic components, particularly for an air treatment group" - Google Patents

Fixing assembly for pneumatic components, particularly for an air treatment group" Download PDF

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Publication number
EP2409042B1
EP2409042B1 EP09787666A EP09787666A EP2409042B1 EP 2409042 B1 EP2409042 B1 EP 2409042B1 EP 09787666 A EP09787666 A EP 09787666A EP 09787666 A EP09787666 A EP 09787666A EP 2409042 B1 EP2409042 B1 EP 2409042B1
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EP
European Patent Office
Prior art keywords
components
fixing assembly
fixing
branches
bracket
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EP09787666A
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German (de)
French (fr)
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EP2409042A1 (en
Inventor
Geromino Camozzi
Gianluca Gnutti
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Camozzi Automation SpA
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Camozzi SpA
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Publication of EP2409042A1 publication Critical patent/EP2409042A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators

Definitions

  • the present invention relates to a fixing assembly for pneumatic components, and particularly for an air treatment group generally called an FRL group, comprising for example a filter, a regulator and a lubricator.
  • an air treatment group generally a filter - regulator - lubricator - or other components of the FRL group
  • the components of an air treatment group can be used both individually or assembled to each other. When assembled to each other, they are put into fluidic communication, generally in series.
  • the assembled groups need to be dismantled to permit cleaning of the component/s, but also to replace or add to them.
  • the FRL group must be modular and flexible to permit the aforementioned operations: in other words each component must be easy to dismantle and replace or add to the chain of components treating the air.
  • the purpose of the present invention is to make a fixing assembly which overcomes the drawbacks mentioned with reference to the known technique.
  • figure 1 shows a perspective view of a fixing assembly according to one embodiment of the present invention, in a configuration in separate parts;
  • figure 2 shows a perspective view of the system in figure 1 from a different angle
  • figure 3 shows a perspective view of the system in figure 1 , in an assembled configuration
  • figure 4 shows a perspective view of the system in figure 3 , from a different angle
  • FIGS. 5-6 show partial perspective views of the fixing assembly in figure 1 , according to two different assembly modes
  • figure 7 shows an enlarged detail VII of figure 1 ;
  • figure 8 shows an enlarged detail VIII of figure 5 .
  • reference numeral 4 globally denotes a fixing assembly for components 8', 8" of an air treatment group, such as for example a filter, a regulator and/or a lubricator.
  • the system 4 comprises a first component 8' for air treatment fitted with at least a first attachment element 12' and a second component 8" for air treatment fitted with at least a second attachment element 12".
  • the components 8' and 8" are alongside each other so as to position the respective attachment elements 12', 12" facing each other directly.
  • the first and the second components 8', 8" are fluidly connected to each other so as to share a flow of fluid, such as air, to be appropriately treated and forwarded to users.
  • system 4 may comprise further components for air treatment, such as further filters, regulators, lubricators or further components for the air treatment positioned in series between them in any order.
  • the components 8', 8" are mechanically connected to each other by means of a fixing bracket 16, as described further below.
  • first and the second attachment elements 12', 12" are joined to the respective components 8', 8" by means of threaded connection devices (not shown).
  • first and second attachment elements 12', 12" are made in one piece with the respective components 8', 8" .
  • Each component 8', 8" can be fitted with more than one attachment element to enable connection with two further components, respectively upstream and downstream; for example the first component 8' may have a third attachment element 12"', opposite the first attachment element 12', and the second component 8" may have a fourth attachment element 12 iv opposite the second attachment element 12".
  • the first and second attachment elements 12', 12" comprise at least one protuberance 20 which juts out from a respective attachment wall 24, said protuberance 20 comprising at least one track 28 facing along an insertion direction X-X of the fixing bracket 16, so as to form a guide for the said bracket.
  • said protuberance 20 comprises a pair of tracks 28 facing along an insertion direction X-X of the fixing bracket 16.
  • the tracks 28 are symmetrical to each other in relation to an axis of symmetry S-S parallel to the insertion direction X-X of the fixing bracket 16. This way it is possible to insert the attachment brackets 16 on tracks 28 along the insertion direction X-X both from above ( figure 5 ) and from below ( figure 6 ).
  • the components 8', 8", at the respective protuberances 20, preferably have through air holes 32, able to channel and transmit a flow of air between adjacent components 8', 8" of the supply group.
  • the holes 32 go through the respective components.
  • At least one of the two protuberances 20 of components 8', 8" alongside each other comprises a hollow 36 and a relative gasket 40, for example of the O-ring type, for the pneumatic seal of the through holes 32.
  • the through holes 32 are positioned centrally in relation to the protuberances 20 and the through holes 32 of two adjacent components 8', 8" are coaxial to each other.
  • the system 4 comprises at least one fixing bracket 16, able to be joined between the first and second components 8', 8" so as to mechanically block said components 8', 8" to each other.
  • the fixing bracket 16 is made in a single piece and is a 'U'-shape, comprising a pair of branches 44 connected by a crosspiece 48.
  • the 'U' shape of the fixing bracket 16 allows the insertion of the same between the protuberances 20 of the components 8', 8" without it interfering with the through air holes 32 so as to enable the fluidic connection in series between the components themselves.
  • the fixing bracket 16 has, at the branches 44, a 'C' cross-section, so that said branches 44 form a sliding shaped coupling with the first and the second attachment element 12', 12", keeping the first and the second component 8', 8" joined to each other during the relative sliding between the fixing bracket 16 and the said components 8', 8" .
  • said tracks 28 form a shaped coupling with the branches 44 of the fixing bracket 16 so as to guide the bracket 16 along the insertion direction.
  • the shaped coupling with the branches having a 'C' cross-section prevents the components from separating from each other.
  • said shaped coupling between the branches 44 and the attachment elements 12', 12" of the components 8', 8" is a pressure fit coupling.
  • the fixing bracket 16 comprises at least a first pair of clamping holes 52, respectively aligned on the branches 44, and a first threaded connection device 56 which can be inserted in the first pair of clamping holes 52 so as to firmly block the fixing bracket 16 to the components 8', 8" .
  • the first clamping holes 52 are aligned along a clamping direction Y-Y perpendicular to the direction of insertion X-X of the fixing bracket 16.
  • the first clamping holes 52 are threaded internally so as to engage with the associable first threaded connection device 56. It is also possible to insert at least one threaded nut (not shown) in the fixing bracket 16 so as to engage with the first threaded connection device 56; this way it is possible to avoid threading the clamping holes 52.
  • the first pair of clamping holes 52 is positioned on the opposite side to the crosspiece 48 so as to elastically clamp the branches 44 to the relative components 8', 8" .
  • the branches 44 on the side opposite the crosspiece 48, flex elastically under the thrust of the first threaded connection device 56, fixing the bracket 16 to the components 8', 8" .
  • the protuberance 20 of at least one component 8', 8" comprises at least one first seat 60 able to accommodate at least partially the first threaded connection device 56.
  • said first seat 60 is positioned parallel to the first clamping holes 52, that is to the clamping direction Y-Y.
  • said first seat 60 is a semi-cylindrical shape so that two adjacent components 8', 8" joined at the respective protuberances 20 fitted with first semi-cylindrical seats 60, together form a cylindrical seat able to accommodate the first threaded connection device 56.
  • the fixing bracket 16 comprises at least one second pair of clamping holes 64, respectively on the branches 44 so as to enable the insertion of a second threaded connection device (not shown) between the branches 44.
  • the second clamping holes 64 are preferably aligned along the clamping direction Y-Y perpendicular to the insertion direction X-X of the fixing bracket 16.
  • the second clamping holes 64 are threaded internally so as to engage with the associable second threaded connection device.
  • said second clamping holes 64 are through holes without any internal threading to allow the passage of the second threaded connection device which may, for example, screw directly onto a wall or panel.
  • the second pair of clamping holes 64 are positioned adjacent to the crosspiece 48 so as to enable blocking of the fixing bracket 16 to a support or to a wall.
  • the protuberance 20 of at least one component 8', 8" comprises at least one second seat 72 able to accommodate at least partially the second threaded connection device.
  • said second seat 72 is positioned parallel to the second clamping holes 64.
  • the second seat 72 is a semi-cylindrical shape so that two adjacent components 8', 8" joined at the respective protuberances 20 fitted with second semi-cylindrical seats 72 together form a cylindrical seat able to accommodate the second threaded connection device.
  • the components 8', 8" are placed alongside each other to make the respective protuberances 20 fit together: this way the respective tracks 28 of the protuberances 20 form the guides for inserting the fixing bracket 16.
  • the gasket 40 for example of the O-ring type, is positioned in the hollow 36 to ensure the seal following assembly of the components 8', 8".
  • the fixing bracket 16 is inserted onto the two components 8', 8" using the guides; during insertion the fixing bracket 16, by bringing the two components 8', 8" closer together, puts the gasket 40 into a state of compression.
  • the assembly of the fixing bracket 16 may be along the insertion direction X-X in the two directions of insertion, respectively from above and below ( figures 5 and 6 ), thanks to the symmetry of the protuberances 20.
  • the two components 8', 8" are already solidly joined to each other thanks to the shaped coupling, preferably of the pressure fit type, between the bracket 16 and the tracks 28 of the protuberances 20 of the components 8', 8" .
  • the first threaded connection device 56 is then inserted between the two components 8', 8" which, when tightened, squeezes the two branches 44 of the fixing bracket 16, clamping them to the components 8', 8".
  • the fixing assembly of the present invention makes it possible to overcome the drawbacks mentioned with reference to the known technique.
  • the fixing assembly according to the invention is extremely flexible: in fact the components and the bracket can be rotated by 180 degrees so as to allow the mechanic and fluidic connection between the components according to the effective dimensions and space available.
  • the system is extremely economical to produce in that it uses a single piece bracket which may be made for example by bending a metal section or by moulding of a technological-polymer.
  • the system permits fast and simple assembly.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)

Description

  • The present invention relates to a fixing assembly for pneumatic components, and particularly for an air treatment group generally called an FRL group, comprising for example a filter, a regulator and a lubricator.
  • As is known, the components of an air treatment group (generally a filter - regulator - lubricator - or other components of the FRL group) can be used both individually or assembled to each other. When assembled to each other, they are put into fluidic communication, generally in series.
  • Sometimes the assembled groups need to be dismantled to permit cleaning of the component/s, but also to replace or add to them.
  • They are generally assembled in a cascade upline of the pneumatic circuit so as to treat the air and make it suitable for improving the efficiency of the pneumatic devices downline.
  • The FRL group must be modular and flexible to permit the aforementioned operations: in other words each component must be easy to dismantle and replace or add to the chain of components treating the air.
  • As a result, the need is felt in the art for a fixing system of the various components which is easy, manageable and simplified, but which also ensures reliability and a lasting pneumatic seal.
  • Solutions are known of in the art, composed of detachable brackets which can be attached to the pneumatic components so as to enable the assembly/dismantling of the assembled treatment group.
  • Such devices however such as US 4,352,511 have a number of drawbacks in terms of the difficulty and time involved in assembly. Moreover, the known devices in the art are expensive to produce and to assemble.
  • The purpose of the present invention is to make a fixing assembly which overcomes the drawbacks mentioned with reference to the known technique.
  • Such drawbacks are resolved by a fixing assembly according to claim 1.
  • Other embodiments of the fixing assembly according to the invention are described in the subsequent claims.
  • Further characteristics and advantages of the present invention will be more comprehensible from the description below of its preferred and non-limiting embodiments, wherein:
  • figure 1 shows a perspective view of a fixing assembly according to one embodiment of the present invention, in a configuration in separate parts;
  • figure 2 shows a perspective view of the system in figure 1 from a different angle;
  • figure 3 shows a perspective view of the system in figure 1, in an assembled configuration;
  • figure 4 shows a perspective view of the system in figure 3, from a different angle;
  • figures 5-6 show partial perspective views of the fixing assembly in figure 1, according to two different assembly modes;
  • figure 7 shows an enlarged detail VII of figure 1;
  • figure 8 shows an enlarged detail VIII of figure 5.
  • With reference to the aforesaid figures, reference numeral 4 globally denotes a fixing assembly for components 8', 8" of an air treatment group, such as for example a filter, a regulator and/or a lubricator.
  • According to one embodiment, the system 4 comprises a first component 8' for air treatment fitted with at least a first attachment element 12' and a second component 8" for air treatment fitted with at least a second attachment element 12". In one assembly configuration the components 8' and 8" are alongside each other so as to position the respective attachment elements 12', 12" facing each other directly.
  • The first and the second components 8', 8" are fluidly connected to each other so as to share a flow of fluid, such as air, to be appropriately treated and forwarded to users.
  • Obviously, the system 4 may comprise further components for air treatment, such as further filters, regulators, lubricators or further components for the air treatment positioned in series between them in any order.
  • The components 8', 8" are mechanically connected to each other by means of a fixing bracket 16, as described further below.
  • According to one embodiment, the first and the second attachment elements 12', 12" are joined to the respective components 8', 8" by means of threaded connection devices (not shown).
  • According to a further embodiment, the first and second attachment elements 12', 12" are made in one piece with the respective components 8', 8" .
  • Each component 8', 8" can be fitted with more than one attachment element to enable connection with two further components, respectively upstream and downstream; for example the first component 8' may have a third attachment element 12"', opposite the first attachment element 12', and the second component 8" may have a fourth attachment element 12iv opposite the second attachment element 12".
  • According to one embodiment, the first and second attachment elements 12', 12" comprise at least one protuberance 20 which juts out from a respective attachment wall 24, said protuberance 20 comprising at least one track 28 facing along an insertion direction X-X of the fixing bracket 16, so as to form a guide for the said bracket.
  • According to a further embodiment, said protuberance 20 comprises a pair of tracks 28 facing along an insertion direction X-X of the fixing bracket 16.
  • Preferably, the tracks 28 are symmetrical to each other in relation to an axis of symmetry S-S parallel to the insertion direction X-X of the fixing bracket 16. This way it is possible to insert the attachment brackets 16 on tracks 28 along the insertion direction X-X both from above (figure 5) and from below (figure 6).
  • The components 8', 8", at the respective protuberances 20, preferably have through air holes 32, able to channel and transmit a flow of air between adjacent components 8', 8" of the supply group.
  • Preferably, the holes 32 go through the respective components.
  • According to one embodiment, at least one of the two protuberances 20 of components 8', 8" alongside each other comprises a hollow 36 and a relative gasket 40, for example of the O-ring type, for the pneumatic seal of the through holes 32.
  • Preferably, the through holes 32 are positioned centrally in relation to the protuberances 20 and the through holes 32 of two adjacent components 8', 8" are coaxial to each other.
  • Advantageously, the system 4 comprises at least one fixing bracket 16, able to be joined between the first and second components 8', 8" so as to mechanically block said components 8', 8" to each other.
  • Advantageously, the fixing bracket 16 is made in a single piece and is a 'U'-shape, comprising a pair of branches 44 connected by a crosspiece 48. The 'U' shape of the fixing bracket 16 allows the insertion of the same between the protuberances 20 of the components 8', 8" without it interfering with the through air holes 32 so as to enable the fluidic connection in series between the components themselves.
  • Advantageously, the fixing bracket 16 has, at the branches 44, a 'C' cross-section, so that said branches 44 form a sliding shaped coupling with the first and the second attachment element 12', 12", keeping the first and the second component 8', 8" joined to each other during the relative sliding between the fixing bracket 16 and the said components 8', 8" .
  • Specifically, in an assembly configuration in which the tracks 28 of the protuberances 20 of two components 8', 8" are joined in contact with each other, said tracks 28 form a shaped coupling with the branches 44 of the fixing bracket 16 so as to guide the bracket 16 along the insertion direction. The shaped coupling with the branches having a 'C' cross-section prevents the components from separating from each other.
  • According to one embodiment, said shaped coupling between the branches 44 and the attachment elements 12', 12" of the components 8', 8" is a pressure fit coupling.
  • According to one embodiment, the fixing bracket 16 comprises at least a first pair of clamping holes 52, respectively aligned on the branches 44, and a first threaded connection device 56 which can be inserted in the first pair of clamping holes 52 so as to firmly block the fixing bracket 16 to the components 8', 8" .
  • The first clamping holes 52 are aligned along a clamping direction Y-Y perpendicular to the direction of insertion X-X of the fixing bracket 16.
  • Preferably, the first clamping holes 52 are threaded internally so as to engage with the associable first threaded connection device 56. It is also possible to insert at least one threaded nut (not shown) in the fixing bracket 16 so as to engage with the first threaded connection device 56; this way it is possible to avoid threading the clamping holes 52.
  • Preferably, the first pair of clamping holes 52 is positioned on the opposite side to the crosspiece 48 so as to elastically clamp the branches 44 to the relative components 8', 8" .
  • In other words, the branches 44, on the side opposite the crosspiece 48, flex elastically under the thrust of the first threaded connection device 56, fixing the bracket 16 to the components 8', 8" .
  • According to one embodiment, the protuberance 20 of at least one component 8', 8" comprises at least one first seat 60 able to accommodate at least partially the first threaded connection device 56.
  • For example, said first seat 60 is positioned parallel to the first clamping holes 52, that is to the clamping direction Y-Y.
  • Preferably, said first seat 60 is a semi-cylindrical shape so that two adjacent components 8', 8" joined at the respective protuberances 20 fitted with first semi-cylindrical seats 60, together form a cylindrical seat able to accommodate the first threaded connection device 56.
  • According to a further embodiment, the fixing bracket 16 comprises at least one second pair of clamping holes 64, respectively on the branches 44 so as to enable the insertion of a second threaded connection device (not shown) between the branches 44.
  • The second clamping holes 64 are preferably aligned along the clamping direction Y-Y perpendicular to the insertion direction X-X of the fixing bracket 16.
  • According to one possible embodiment, the second clamping holes 64 are threaded internally so as to engage with the associable second threaded connection device. Alternatively, said second clamping holes 64 are through holes without any internal threading to allow the passage of the second threaded connection device which may, for example, screw directly onto a wall or panel.
  • Preferably, the second pair of clamping holes 64 are positioned adjacent to the crosspiece 48 so as to enable blocking of the fixing bracket 16 to a support or to a wall.
  • According to one embodiment, the protuberance 20 of at least one component 8', 8" comprises at least one second seat 72 able to accommodate at least partially the second threaded connection device.
  • Preferably, said second seat 72 is positioned parallel to the second clamping holes 64.
  • Preferably, the second seat 72 is a semi-cylindrical shape so that two adjacent components 8', 8" joined at the respective protuberances 20 fitted with second semi-cylindrical seats 72 together form a cylindrical seat able to accommodate the second threaded connection device.
  • The assembly of a fixing assembly according to the present invention will now be described.
  • Specifically, the components 8', 8" are placed alongside each other to make the respective protuberances 20 fit together: this way the respective tracks 28 of the protuberances 20 form the guides for inserting the fixing bracket 16.
  • Preferably, the gasket 40, for example of the O-ring type, is positioned in the hollow 36 to ensure the seal following assembly of the components 8', 8".
  • The fixing bracket 16 is inserted onto the two components 8', 8" using the guides; during insertion the fixing bracket 16, by bringing the two components 8', 8" closer together, puts the gasket 40 into a state of compression.
  • Advantageously the assembly of the fixing bracket 16 may be along the insertion direction X-X in the two directions of insertion, respectively from above and below (figures 5 and 6), thanks to the symmetry of the protuberances 20.
  • After inserting the fixing bracket 16, the two components 8', 8" are already solidly joined to each other thanks to the shaped coupling, preferably of the pressure fit type, between the bracket 16 and the tracks 28 of the protuberances 20 of the components 8', 8" .
  • The first threaded connection device 56 is then inserted between the two components 8', 8" which, when tightened, squeezes the two branches 44 of the fixing bracket 16, clamping them to the components 8', 8".
  • This way it is possible to attach various components in series to each other.
  • It is also possible to insert the second threaded connection device so as to fix the assembly of the two components 8', 8" to a support or, for example, to a wall.
  • As may be appreciated from the description, the fixing assembly of the present invention makes it possible to overcome the drawbacks mentioned with reference to the known technique.
  • Specifically, the fixing assembly according to the invention is extremely flexible: in fact the components and the bracket can be rotated by 180 degrees so as to allow the mechanic and fluidic connection between the components according to the effective dimensions and space available.
  • The system is extremely economical to produce in that it uses a single piece bracket which may be made for example by bending a metal section or by moulding of a technological-polymer.
  • The system permits fast and simple assembly.
  • In fact, thanks to the shaped coupling between the bracket and the protuberances of the components, after inserting the bracket it's possible to insert and screw on the threaded connection devices, blocking the bracket in place with only one hand.
  • A person skilled in the art may make numerous modifications and variations to the fixing assembly described above so as to satisfy contingent and specific requirements while remaining within the sphere of protection as defined by the appended claims.

Claims (15)

  1. Fixing assembly (4) for components of an air treatment group, such as for example a filter, a regulator and/ or lubricator, comprising
    a first component (8') for treating air fitted with at least a first attachment element (12'),
    a second component (8") for treating air fitted with at least a second attachment element (12"),
    wherein
    the assembly (4) comprises a fixing bracket (16) able to be joined between the first and the second component (8', 8") so as to mechanically block said components to each other (8',8"),
    the fixing bracket (16) being made in a single piece and having a 'U' shape comprising a pair of branches (44) connected by a crosspiece (48), the fixing bracket (16) having, at the branches (44), a 'C' cross-section, so that said branches (44) form a shaped coupling sliding with the first and the second attachment element (12',12"), keeping the first and the second component joined to each other (8',8") during the relative sliding between the fixing bracket (16) and the components (8',8"),
    characterised in that
    the first and the second attachment elements (12', 12") comprise at least one protuberance (20) which juts out from a respective attachment wall (24), said protuberance (20) comprising a pair of tracks (28) directed along an insertion direction (X-X) of the bracket (16), so as to be able to each form a shaped coupling with a respective branch (44) of the bracket (16) and a guide for the insertion of the bracket (44), wherein the tracks (28) are symmetrical to each other in relation to an axis of symmetry (S-S) parallel to the insertion direction (X-X) of the fixing bracket (16) so that it is possible to insert the attachment brackets (16) on tracks (28) along the insertion direction (X-X) both from above and from below,
    wherein the fixing bracket (16) comprises at least a first pair of clamping holes (52), aligned respectively on the branches (44), and a first threaded connection device (56) which can be inserted in the first pair of clamping holes (52) so as to firmly block the fixing bracket (16) to the components (8', 8" ),
    wherein the protuberance (20) of at least one component (8', 8") comprises at least a first seat (60) able to accommodate at least partially the first threaded connection device (56).
  2. Fixing assembly (4) according to claim 1, wherein said shaped coupling between the branches (44) and the attachment elements (12', 12" ) of the components (8',8" ) is a pressure fit coupling.
  3. Fixing assembly (4) according to claim 1, wherein, in an assembly configuration, the protuberances (20) of the components (8', 8") directly alongside each other are placed in contact so that the respective tracks (28) form guides counter-shaped to the branches (44) of the associable fixing bracket (16).
  4. Fixing assembly (4) according to any of the previous claims, wherein said components (8', 8"), at the respective protuberances (20), have through air holes (32), able to channel and transmit a flow of air between adjacent components (8', 8") of the supply group.
  5. Fixing assembly (4) according to claim 4, wherein at least one of the two protuberances (20) of the components alongside each other comprises a hollow (36) and a relative gasket (40), for the pneumatic seal of the through holes (32).
  6. Fixing assembly (4) according to claim 4 or 5, wherein the through air holes (32) are positioned centrally in relation to the protuberances (20) and the through holes (32) of two adjacent components (8', 8") are coaxial to each other.
  7. Fixing assembly (4) according to any one of previous claims, wherein the first clamping holes (52) are threaded internally so as to engage with the associable threaded connection device (56).
  8. Fixing assembly (4) according to claim 7, wherein the first pair of clamping holes (52) is positioned on the opposite side to the crosspiece (48) so as to elastically clamp the branches (44) to the relative components (8', 8'').
  9. Fixing assembly (4) according to claim 1, wherein said first seat (60) is positioned parallel to the first clamping holes (52).
  10. Fixing assembly (4) according to claim 9, wherein said first seat (60) is a semi-cylindrical shape so that two adjacent components (8', 8" ) joined at the respective protuberances (20) fitted with semi-cylindrical seats, together form a cylindrical seat able to accommodate the first threaded connection device (56).
  11. Fixing assembly (4) according to any of the previous claims, wherein the fixing bracket (16) comprises at least one second pair of clamping holes (64), aligned respectively on the branches (44) so as to allow the insertion of a second threaded connection device between the branches (44).
  12. Fixing assembly (4) according to claim 11, wherein the second clamping holes (64) are threaded internally so as to engage with the associable second threaded connection device.
  13. Fixing assembly (4) according to claim 11 or 12, wherein the second pair of clamping holes (64) is positioned adjacent to the crosspiece (48) so as to enable blocking of the bracket (16) to a support or to a wall.
  14. Fixing assembly (4) according to any of the previous claims, wherein the protuberance (20) of at least one component (8', 8") comprises at least one second seat (72) able to accommodate at least partially the second threaded connection device.
  15. Fixing assembly (4) according to claim 14, wherein said second seat (72) is positioned parallel to the second clamping holes (52).
EP09787666A 2009-03-18 2009-03-18 Fixing assembly for pneumatic components, particularly for an air treatment group" Active EP2409042B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2009/000103 WO2010106559A1 (en) 2009-03-18 2009-03-18 Fixing assembly for pneumatic components, particularly for an air treatment group"

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EP2409042A1 EP2409042A1 (en) 2012-01-25
EP2409042B1 true EP2409042B1 (en) 2013-01-02

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CN113230738A (en) * 2021-05-08 2021-08-10 泰州市俏衣簇纺织有限公司 Filter screen end fixing mechanism and using method thereof

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GB2387886B (en) * 2002-04-25 2005-12-07 Parker Hannifin Plc Connection system

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EP2409042A1 (en) 2012-01-25

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