EP1134429A2 - A support and distribution element for a pneumatic valve - Google Patents
A support and distribution element for a pneumatic valve Download PDFInfo
- Publication number
- EP1134429A2 EP1134429A2 EP01106504A EP01106504A EP1134429A2 EP 1134429 A2 EP1134429 A2 EP 1134429A2 EP 01106504 A EP01106504 A EP 01106504A EP 01106504 A EP01106504 A EP 01106504A EP 1134429 A2 EP1134429 A2 EP 1134429A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve body
- passages
- valve
- openings
- base portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0832—Modular valves
- F15B13/0839—Stacked plate type valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0807—Manifolds
- F15B13/0817—Multiblock manifolds
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0878—Assembly of modular units
- F15B13/0882—Assembly of modular units using identical modular elements
Definitions
- the present invention relates to a support and distribution element for a pneumatic valve of a type having a generally parallelepiped body with internal passages opening into two opposite sides of the valve body.
- FIG. 1 A conventional valve of this type is illustrated schematically in Figure 1 of the appended drawings. Outlet openings 12a of the internal passages are formed in a face 11a of the valve body 10, while the inlet connections (not visible in Figure 1) are formed on the face opposite the face 11a.
- a first method in order to mount valves of the aforesaid type into a control panel, a first method involves fixing each valve body to the base of the control panel - each valve independently of the others. Two holes 13 are therefore formed in each valve body for engaging respective fixing elements (not shown) .
- valves can be connected in series, for example, or fed through an outlet opening instead of through an inlet.
- some free space S must be left between one valve and another, as shown schematically in Figure 2, in order to fit the connections 14 for the pneumatic pipework (not shown).
- the pneumatic system looks untidy, is rather bulky and takes a long time to assemble and to adjust or service.
- assemblies of valves 10 of the same format are assembled into modules on a shared support and distribution element 15 which is fixed in turn to a base of the control panel.
- the element 15 usually has a passage 16 for feeding the valves and other passages 17, 18 for discharge therefrom.
- the object of the present invention is therefore to provide a support and distribution element for a pneumatic valve which tackles the following problems:
- a support and distribution element according to the present invention is generally indicated 20, for a conventional pneumatic valve of the type shown in Figure 1 and briefly described in the introduction to this description.
- valves of the type shown in Figure 1 and of the pneumatic systems incorporating them are known in the art. The following description will therefore describe in detail only those elements which are specifically relevant to the embodiment of the present invention. Information on the manufacture of parts and elements not illustrated in detail can be found with reference to any pneumatic system known in the art.
- the outline of the body of the element 20 is elongate with an essentially constant dimension along a direction x here defined as longitudinal, and with a substantially L-shaped cross section in a plane transversal to the direction x.
- the body 20 has a horizontal lower portion or base portion 21 and a vertical side portion 22 extending perpendicular to one side of the base portion 21.
- the base portion 21 has a flat upper surface 23 which defines a seat with the lateral surface 24 of the vertical portion 22 for appropriately housing a single pneumatic valve 10, as shown schematically in Figure 5.
- the element 20 has a plurality of internal passages 25 for air supply.
- the passages 25, the number of which can vary in dependence on the type of valve it is associated with, are arranged parallel side by side, along the longitudinal dimension x (which is perpendicular to the plane of Figure 6).
- the passages 25 extend through the base portion 21 and the vertical portion 22 in substantially the shape of a J, whereby (see Figure 4) the apertures 25a, 25b at opposite ends of the passages 25 open into the upper surface 23 of the base portion 21 and into the horizontal top surface 26 of the vertical portion 22 respectively.
- the apertures 25a of the passages 25 are aligned with and in communication with the lower openings 12a of the passages formed through the valve body 10; the drawings do not show the intermediate portions of these passages, schematically indicated 12, which extend between the lower openings 12a and the upper openings 12b in opposite surfaces lla and llb of the valve body 10.
- a known rubber or rubberized canvas seal (not shown) is preferably interposed between the lower surface llb of the valve body 10 and the horizontal surface 23 of the element 20.
- the element 20 is of a shape and size whereby, once it is coupled to a pneumatic valve 10, the assembly formed by the element 20 and the valve 10 forms a parallelepiped, which substantially matches the maximum dimensions of the element 20, and in which the upper surface 11b of the valve body, with the openings 12b, is coplanar with the horizontal top surface 26 of the vertical portion 22 of the element 20.
- an important characteristic of the arrangement of the invention is that the apertures 25b of the passages 25 through the element 20 and the openings 12b in the valve body 10 all face in the same direction, that is forwards towards the operator. This gives the operator easy access to the valves and to inlet and outlet connections to the valves as well as to pneumatic lines, both when installing the system and when it is necessary to carry out alterations or maintenance.
- the support and distribution element of the invention make it possible to divert the inlet and outlet passages through 180° (from the position 25a of Figure 6), moving them alongside the outlet openings 12b of the valve.
- Figure 8 shows an alternative embodiment of the invention, in which a cavity 11c is formed in the lower surface of the valve body 10 for coupling the valve body to the support and distribution system 20 in an interlocking configuration.
- step-like recesses 21c can be formed in the sides of the base portion 21.
- valves on a control panel (indicated 27 in Figure 6) individually but close to each other as shown in Figure 7 or even in direct contact with each other.
- valves offer flexibility with regard to their arrangement and connection, thereby providing the advantages described with reference to Figure 2 in the introduction to this description.
- the fact that the fittings and pneumatic pipework all face the operator provides the advantages described with reference to the known arrangement illustrated in Figure 3.
- the support and distribution elements according to the invention have a surface, the top surface 26 for example, which in use faces the operator and is thus ideal for carrying a symbol, a number for example, to identify each valve.
Abstract
Description
- The present invention relates to a support and distribution element for a pneumatic valve of a type having a generally parallelepiped body with internal passages opening into two opposite sides of the valve body.
- A conventional valve of this type is illustrated schematically in Figure 1 of the appended drawings.
Outlet openings 12a of the internal passages are formed in aface 11a of thevalve body 10, while the inlet connections (not visible in Figure 1) are formed on the face opposite theface 11a. - In the prior art, in order to mount valves of the aforesaid type into a control panel, a first method involves fixing each valve body to the base of the control panel - each valve independently of the others. Two
holes 13 are therefore formed in each valve body for engaging respective fixing elements (not shown) . - This assembly method makes it possible to use the pneumatic logic of the valves particularly flexibly, according to the requirements of the system; the valves can be connected in series, for example, or fed through an outlet opening instead of through an inlet. On the other hand, when valves are arranged in this way some free space S must be left between one valve and another, as shown schematically in Figure 2, in order to fit the
connections 14 for the pneumatic pipework (not shown). The pneumatic system thus looks untidy, is rather bulky and takes a long time to assemble and to adjust or service. - In another prior art arrangement, shown in Figure 3, assemblies of
valves 10 of the same format are assembled into modules on a shared support anddistribution element 15 which is fixed in turn to a base of the control panel. Theelement 15 usually has apassage 16 for feeding the valves andother passages - This type of assembly makes optimum use of available space and rationalises the pneumatic pipework since all the valve porting is facing the operator; assembly and dismantling operations, and thus maintenance, are all simpler. One limitation of this configuration, however, is that its use is not very flexible, since all the valves must be fed through the
single passage 16 of the support and distribution element and they cannot be connected in series but only in parallel. - The object of the present invention is therefore to provide a support and distribution element for a pneumatic valve which tackles the following problems:
- optimizing the overall space occupied by the valves;
- rationalizing the arrangement of the pneumatic pipes;
- simplifying and speeding up assembly, dismantling and servicing operations on the system;
- providing flexibility of use so as to distinguish pneumatic systems according to the specific applications thereof.
- This object is achieved according to the invention by providing a support and distribution element having the characteristics claimed in
Claim 1. - Other significant characteristics of the invention are defined in the dependent Claims.
- Further characteristics and advantages of the invention will become clearer from the detailed description of several embodiments thereof, provided purely by way of non-limitative example, with reference to the appended drawings, in which:
- Figure 1 is a schematic perspective view of a known pneumatic valve of the type to which the present invention relates;
- Figures 2 and 3 are perspective views of two different ways of assembling and supplying prior art pneumatic valves;
- Figure 4 is a schematic perspective view of a support and distribution element according to the present invention;
- Figure 5 is a schematic perspective view of the element of Figure 4 coupled to a pneumatic valve of the type illustrated separately in Figure 1;
- Figure 6 is a schematic cross section taken on the line VI-VI of Figure 5;
- Figure 7 shows a battery of valves each coupled to a distribution and support element of Figure 4; and
- Figure 8 is a schematic perspective view, similar to Figure 5, of a variant of the invention.
-
- With reference to Figure 4, a support and distribution element according to the present invention is generally indicated 20, for a conventional pneumatic valve of the type shown in Figure 1 and briefly described in the introduction to this description.
- The structural and functional characteristics of valves of the type shown in Figure 1 and of the pneumatic systems incorporating them are known in the art. The following description will therefore describe in detail only those elements which are specifically relevant to the embodiment of the present invention. Information on the manufacture of parts and elements not illustrated in detail can be found with reference to any pneumatic system known in the art.
- In the preferred embodiment shown in Figure 4 of the drawings, the outline of the body of the
element 20 is elongate with an essentially constant dimension along a direction x here defined as longitudinal, and with a substantially L-shaped cross section in a plane transversal to the direction x. - The
body 20 has a horizontal lower portion orbase portion 21 and avertical side portion 22 extending perpendicular to one side of thebase portion 21. - The
base portion 21 has a flatupper surface 23 which defines a seat with thelateral surface 24 of thevertical portion 22 for appropriately housing a singlepneumatic valve 10, as shown schematically in Figure 5. - With reference to Figure 6, the
element 20 has a plurality ofinternal passages 25 for air supply. Thepassages 25, the number of which can vary in dependence on the type of valve it is associated with, are arranged parallel side by side, along the longitudinal dimension x (which is perpendicular to the plane of Figure 6). Thepassages 25 extend through thebase portion 21 and thevertical portion 22 in substantially the shape of a J, whereby (see Figure 4) theapertures passages 25 open into theupper surface 23 of thebase portion 21 and into thehorizontal top surface 26 of thevertical portion 22 respectively. - As can be seen in Figure 6, the
apertures 25a of thepassages 25 are aligned with and in communication with thelower openings 12a of the passages formed through thevalve body 10; the drawings do not show the intermediate portions of these passages, schematically indicated 12, which extend between thelower openings 12a and theupper openings 12b in opposite surfaces lla and llb of thevalve body 10. - A known rubber or rubberized canvas seal (not shown) is preferably interposed between the lower surface llb of the
valve body 10 and thehorizontal surface 23 of theelement 20. - With reference still to Figure 6, it is advantageous if the
element 20 is of a shape and size whereby, once it is coupled to apneumatic valve 10, the assembly formed by theelement 20 and thevalve 10 forms a parallelepiped, which substantially matches the maximum dimensions of theelement 20, and in which theupper surface 11b of the valve body, with theopenings 12b, is coplanar with thehorizontal top surface 26 of thevertical portion 22 of theelement 20. - An important characteristic of the arrangement of the invention is that the
apertures 25b of thepassages 25 through theelement 20 and theopenings 12b in thevalve body 10 all face in the same direction, that is forwards towards the operator. This gives the operator easy access to the valves and to inlet and outlet connections to the valves as well as to pneumatic lines, both when installing the system and when it is necessary to carry out alterations or maintenance. - In other words, the support and distribution element of the invention make it possible to divert the inlet and outlet passages through 180° (from the
position 25a of Figure 6), moving them alongside theoutlet openings 12b of the valve. - Any known type of removable or releasable fixing elements, not described or shown here, may be used in order to fix the valve to its support and distribution element.
- Figure 8 shows an alternative embodiment of the invention, in which a
cavity 11c is formed in the lower surface of thevalve body 10 for coupling the valve body to the support anddistribution system 20 in an interlocking configuration. In order to further improve this connection, step-like recesses 21c can be formed in the sides of thebase portion 21. - It is evident that the support and distribution element of the invention makes it possible to mount valves on a control panel (indicated 27 in Figure 6) individually but close to each other as shown in Figure 7 or even in direct contact with each other. In any event, the valves offer flexibility with regard to their arrangement and connection, thereby providing the advantages described with reference to Figure 2 in the introduction to this description. The fact that the fittings and pneumatic pipework all face the operator provides the advantages described with reference to the known arrangement illustrated in Figure 3.
- The fact that the connections all face the operator also means that the present invention makes it possible significantly to reduce the assembly time of the system, since it is possible first to fix all the support elements and their associated valves to the control panel and then to fit connections and pneumatic pipework to the valves already fitted. This is a clear advantage over the known arrangement described with reference to Figure 2, in which the valves have to be connected before being fixed to the control panel since it is difficult to access the connections once the valves are in place on the panel.
- Finally, the support and distribution elements according to the invention have a surface, the
top surface 26 for example, which in use faces the operator and is thus ideal for carrying a symbol, a number for example, to identify each valve.
Claims (7)
- A support and distribution element (20) for a pneumatic valve of a type having an essentially parallelpiped body (10) with internal passages (12) with first openings (12a) formed in a first surface (11a) of the valve body and second openings (12b) formed in a second surface (11b) of the valve body opposite the first surface (11a),
characterised in that the said element (20) has a plurality of air distribution passages (25), and in that each passage (25) has a first opening (25a) for communication with a first opening (12a) of the passages (12) through the valve body, and a second opening (25b) facing substantially in the same direction as the second openings (12b) of the passages through the valve body (10). - An element according to Claim 1, characterised in that it includes a lower base portion (21) and a lateral portion (22) which extends perpendicular from a side of the base portion (21), the said portions (21, 22) forming a seat for appropriately housing a single pneumatic valve (10).
- An element according to Claim 2, characterised in that the passages (25) extend through the base portion (21) and the lateral portion (22) each substantially in the shape of a J, in such a way that the first openings (25a) of the passages (25) open into a surface (23) of the base portion (21) arranged against the said first surface (11a) of the valve body, and the second openings (25b) open into another surface (26) of the side portion (22) which is essentially adjacent and parallel to the second surface (11b) of the valve body.
- An element according to Claim 3, characterised in that the second face (11b) of the valve body is substantially coplanar with the said other surface (26) of the lateral portion (22) of the element (20).
- An element according to Claim 3, characterised in that the said other surface (26), which in use faces the operator, is suitable to carry a sign for identifying which valve is associated with the element (20).
- An element according to Claim 1, characterised in that its shape and dimensions are such that, once a pneumatic valve (10) is coupled to it, the assembly constituted by the element (20) and the valve (10) is in the shape of a parallelepiped substantially matching the maximum dimensions of the valve body (10).
- An element according to Claim 2, characterised in that the base portion (21) of the element (20) is shaped (21c) so as to form-engage with the valve body (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO000045U | 2000-03-17 | ||
IT2000TO000045U IT249485Y1 (en) | 2000-03-17 | 2000-03-17 | SUPPORT AND DISTRIBUTION ELEMENT FOR A PNEUMATIC VALVE. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1134429A2 true EP1134429A2 (en) | 2001-09-19 |
EP1134429A3 EP1134429A3 (en) | 2003-10-15 |
EP1134429B1 EP1134429B1 (en) | 2006-12-27 |
Family
ID=11457267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01106504A Expired - Lifetime EP1134429B1 (en) | 2000-03-17 | 2001-03-15 | A support and distribution element for a pneumatic valve |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1134429B1 (en) |
AT (1) | ATE349621T1 (en) |
DE (1) | DE60125446T2 (en) |
DK (1) | DK1134429T3 (en) |
ES (1) | ES2278655T3 (en) |
IT (1) | IT249485Y1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1298327A1 (en) * | 2001-09-28 | 2003-04-02 | Parker Hannifin Rak S.A. | Insulating separation element for an assembly of distribution modules |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2307151A1 (en) * | 1975-04-07 | 1976-11-05 | Crouzet Sa | Module for pneumatic control system - uses standard base with surface connections and inserts lanking off unwanted passages |
DE2547847A1 (en) * | 1975-10-25 | 1977-05-05 | Beukenberg Maschf | Distributor for hydraulic or pneumatic media - has valve blocks fixed on channelled base plate connected to pressurised medium supply |
DE3302253A1 (en) * | 1983-01-24 | 1984-07-26 | Göncöl, Eva, St. Gallen | Fluidic module |
US4469128A (en) * | 1981-04-24 | 1984-09-04 | La Telemecanique Electrique | System for distributing by electrical means pneumatic control signals |
GB2178139A (en) * | 1985-06-27 | 1987-02-04 | Festo Kg | A valve housing arrangement |
EP0806573A2 (en) * | 1996-05-10 | 1997-11-12 | Tadahiro Ohmi | Fluid control device |
EP0877170A1 (en) * | 1997-05-08 | 1998-11-11 | Tadahiro Ohmi | Couplings for fluid controllers |
DE29820533U1 (en) * | 1998-11-17 | 1999-03-04 | Koppers Manfred | Connector between a pressure generating unit and a rotary drive |
-
2000
- 2000-03-17 IT IT2000TO000045U patent/IT249485Y1/en active
-
2001
- 2001-03-15 EP EP01106504A patent/EP1134429B1/en not_active Expired - Lifetime
- 2001-03-15 DK DK01106504T patent/DK1134429T3/en active
- 2001-03-15 DE DE60125446T patent/DE60125446T2/en not_active Expired - Lifetime
- 2001-03-15 ES ES01106504T patent/ES2278655T3/en not_active Expired - Lifetime
- 2001-03-15 AT AT01106504T patent/ATE349621T1/en active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2307151A1 (en) * | 1975-04-07 | 1976-11-05 | Crouzet Sa | Module for pneumatic control system - uses standard base with surface connections and inserts lanking off unwanted passages |
DE2547847A1 (en) * | 1975-10-25 | 1977-05-05 | Beukenberg Maschf | Distributor for hydraulic or pneumatic media - has valve blocks fixed on channelled base plate connected to pressurised medium supply |
US4469128A (en) * | 1981-04-24 | 1984-09-04 | La Telemecanique Electrique | System for distributing by electrical means pneumatic control signals |
DE3302253A1 (en) * | 1983-01-24 | 1984-07-26 | Göncöl, Eva, St. Gallen | Fluidic module |
GB2178139A (en) * | 1985-06-27 | 1987-02-04 | Festo Kg | A valve housing arrangement |
EP0806573A2 (en) * | 1996-05-10 | 1997-11-12 | Tadahiro Ohmi | Fluid control device |
EP0877170A1 (en) * | 1997-05-08 | 1998-11-11 | Tadahiro Ohmi | Couplings for fluid controllers |
DE29820533U1 (en) * | 1998-11-17 | 1999-03-04 | Koppers Manfred | Connector between a pressure generating unit and a rotary drive |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1298327A1 (en) * | 2001-09-28 | 2003-04-02 | Parker Hannifin Rak S.A. | Insulating separation element for an assembly of distribution modules |
FR2830294A1 (en) * | 2001-09-28 | 2003-04-04 | Parker Hannifin Rak Sa | INSULATION INSERTION ELEMENT IN AN ISLAND OF DISTRIBUTION MODULES |
US6766830B2 (en) | 2001-09-28 | 2004-07-27 | Parker Hannifin Rak Sa | Isolating module for a pneumatic distribution modular block |
Also Published As
Publication number | Publication date |
---|---|
IT249485Y1 (en) | 2003-05-19 |
ITTO20000045U1 (en) | 2001-09-16 |
DE60125446T2 (en) | 2007-09-27 |
ATE349621T1 (en) | 2007-01-15 |
EP1134429B1 (en) | 2006-12-27 |
ES2278655T3 (en) | 2007-08-16 |
DE60125446D1 (en) | 2007-02-08 |
DK1134429T3 (en) | 2007-04-30 |
EP1134429A3 (en) | 2003-10-15 |
ITTO20000045V0 (en) | 2000-03-16 |
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