WO2021014190A1 - Unité de compression d'air - Google Patents

Unité de compression d'air Download PDF

Info

Publication number
WO2021014190A1
WO2021014190A1 PCT/IB2019/056246 IB2019056246W WO2021014190A1 WO 2021014190 A1 WO2021014190 A1 WO 2021014190A1 IB 2019056246 W IB2019056246 W IB 2019056246W WO 2021014190 A1 WO2021014190 A1 WO 2021014190A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor according
supporting
compression unit
plate
wall
Prior art date
Application number
PCT/IB2019/056246
Other languages
English (en)
Inventor
Adriano Venturi
Original Assignee
Fiac S.R.L.
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 Fiac S.R.L. filed Critical Fiac S.R.L.
Priority to BR112022000833A priority Critical patent/BR112022000833A2/pt
Priority to PCT/IB2019/056246 priority patent/WO2021014190A1/fr
Publication of WO2021014190A1 publication Critical patent/WO2021014190A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections

Definitions

  • This invention relates to an air compressor unit.
  • the invention relates to an air compressor unit which can be fixed to the wall.
  • the invention relates to a compressor which can be fixed to the wall with an integrated reel winder.
  • Air compressors are used both in work and domestic environments for a wide range of purposes.
  • the air compressor units available on the market have multiple shapes and sizes but are usually quite bulky.
  • An electrical cable to be connected to the main power supply also necessarily lead from them, as well as a hose for distributing the compressed air, at the end of which a suitable pneumatic tool is normally connected, which can also be a simple gun.
  • Wall-mounted reels have been made for this purpose which allow an easy winding/unwinding of the compressed air hose.
  • the aim of this invention is to overcome the drawbacks of the prior art by means of an air compressor which is compact and practical to use.
  • a further aim of this invention is to provide an air compressor which is at the same time simple and inexpensive to make.
  • FIG. 1 is a schematic perspective view from above of an air compressor made according to the invention
  • FIG. 2 is a schematic perspective view from above of the air compressor of Figure 1 without some covering elements;
  • FIG. 3 is a schematic side elevation view, partly in blocks and with some parts cut away to better illustrate others, of the air compressor according to the invention
  • FIG. 4 is a schematic side elevation view partly in blocks of the air compressor according to the invention.
  • FIG. 5 is a cross section view through the line V-V of Figure 4.
  • FIG. 6 is a schematic perspective view of an air compressor made according to the invention.
  • FIG. 7 is a schematic perspective view of an air compressor made according to the invention. Detailed description of preferred embodiments of the invention
  • the numeral 1 denotes in its entirety an air compressor made in accordance with the invention.
  • the air compressor 1 comprises a plate 2 which can be fixed to the wall and a supporting and containing body 3 fixed to the plate 2.
  • the supporting body 3 is preferably hinged on the plate 2.
  • the supporting body 3 is rigidly connected to the plate 2.
  • the compressor 1 comprises a locking system, schematically illustrated with a block 40, to prevent the rotation of the hinge 4.
  • the plate 2 is illustrated by way of example fixed to a wall P.
  • the plate 2, in Figures 6 and 7, is not fixed to any wall in such a way that the compressor 1 is portable.
  • the supporting and containing body 3 is hinged on the plate 2 by means of a respective hinge 4, so as to oscillate about a respective pivot axis A1.
  • the hinge 4 is defined by a first hinge element 4a formed on the plate 2 and by a second hinge element 4b formed on the supporting and containing body 3.
  • Both the above-mentioned first and second hinge elements 4a, 4b comprise portions with a cylindrical cavity inside of which is inserted stably a pin 5, shown in Figure 3.
  • the plate 2 which can be fixed to the wall preferably has an upper portion 2a and a lower portion 2b.
  • the above-mentioned hinge element 4a is formed projecting in the above- mentioned upper portion 2a of the plate 2.
  • housings 7 for pneumatic tools are made on the lower portion 2b of the plate 2.
  • the lower portion 2b of the plate 2 is advantageously shaped in a cantilever fashion in such a way as to allow the above-mentioned housings 7 for pneumatic tools to be suitably spaced mounted on a wall P on which the plate 2 is fixed.
  • the pneumatic tools can be easily placed on the respective housings 7 as they can protrude forwards from them, towards the above-mentioned fixing wall P, and away from them, in order to achieve the best equilibrium position and not to strike against the surface of the wall P.
  • the supporting and containing body 3 comprises a central wall 8 and, as illustrated in Figure 1 , two side guards 9, 10 located on opposite sides of the central wall 8.
  • the compressor 1 comprises an air compression unit 11 , supported by the above-mentioned supporting and containing body 3.
  • the air compression unit 1 1 is electrically powered and comprises an electric motor 12 and a pumping unit 22 which are operatively connected to each other.
  • the air compressor 1 comprises a reel 13 for winding a flexible hose 14 for the passage of the compressed air generated by the compression unit 11.
  • the above-mentioned reel 13 is supported rotatably by the central wall 8 to rotate about a respective central axis A2.
  • the rotation of the reel 13 about the axis A2 determines, as a function of the direction of rotation, the winding or unwinding of the flexible hose 14 wound on it.
  • the air compressor 1 comprises an elastic mechanism for automatically winding the reel 13, of substantially known type and not illustrated, nor described further.
  • the above-mentioned reel 13 and automatic elastic winding mechanism form, in their entirety for the air compressor 1 , respective means 15 for winding the flexible hose 14.
  • the above-mentioned compression unit 1 1 and winding means 15 are positioned on opposite sides of the central wall 8.
  • the above-mentioned guard 9, 10 of the supporting and containing body 3 are also positioned on opposite sides of the central wall and designed to cover, respectively, the compression unit 1 1 and the winding means 15.
  • a rotary element 16 for distributing the compressed air.
  • the rotary distributor element 16 is designed to transfer to the flexible hose 14 wound around the reel 13 the compressed air generated by the compression unit 1 1.
  • the rotating distributor element 16 comprises a hollow cylindrical element 17 integral with the central wall 8 and an external manifold 18.
  • Openings 17a designed to place the cylindrical element 17 in fluid communication with the external manifold 18 are made on the hollow cylindrical element 17.
  • the external manifold 18 is supported rotatably by the hollow cylindrical element 17 and between them are interposed sealing rings 19 designed to prevent undesired escape of the air.
  • a block 20 which is partly visible in Figure 2, for connecting one end, not illustrated, of the flexible hose 14 for distributing air.
  • the flexible hose 14, connected to the block 20, passes inside the reel 13 through an opening made on a cylindrical wall 13a of the reel 13, the opening being shaped inclined so as to follow the curvature of the hose 14 which is wound.
  • the supporting and containing body 3 comprises a supporting structure 21 , fixed to the wall 8 and emerging from it.
  • the supporting structure 21 having a first portion 21 a designed to rotatably support the shaft 12a of the electric motor 12, by interposing rolling means of known type and not illustrated.
  • the supporting structure 21 also comprises a second portion 21 b designed to support the above-mentioned pumping unit 22.
  • the pumping unit 22 is advantageously of alternating type and has a piston which is movable inside a respective cylinder, both of known type and not shown in detail in the accompanying drawings.
  • the movement of the pumping unit 22 occurs by means of a connecting rod-crank mechanism 23 and the motion is transmitted to the latter by the motion from the electric motor 12 by means of a transmission belt wherein a belt 24 engages between respective pulleys visible only partly in the accompanying drawings and therefore not labelled with respective reference numerals.
  • the side guard 9 designed to cover the compression unit 1 1 has a plurality of slots 25 designed for the circulation of air to and from the compression unit 1 1.
  • the above-mentioned slots 25 are made both on a lower portion 9a of the guard 9 and on a relative upper portion 9b.
  • the shaft 12a of the electric motor 12 (not illustrated in the drawings to better display other parts) are keyed two fans 26, 27 respectively lower and upper.
  • the lower fan 26 is configured to draw cold air coming into the slots 25 made in the lower portion 9a of the guard 9.
  • the upper fan 27 is configured to push hot air coming out from the slots 25 made in the upper portion 9b of the guard 9.
  • the compressor 1 illustrated comprises a handle 29 for gripping the compressor.
  • the handle 29 extends from the plate 2 upwards, beyond a vertical dimension of the body 3.
  • the compressor 1 illustrated for example, in Figures 6 and 7 comprises a base 30 for resting on the ground.
  • the base 30 extends under the body 3, preferably stating from the plate 2, in particular from the lower portion 2b of it.
  • the base 30 and the plate 2 form a sort of“L” structure.
  • the compressor 1 comprises a tank 31 for the compressed air.
  • the tank 31 is in the form of a cylinder and is housed in the base 30.
  • the base 30 preferably comprises a housing 30a in which the tank 31 is positioned.
  • the tank 31 is integrated in a tubular structure 32 which, preferably, also defines the base 30 and/or the handle 29 of the compressor 1.
  • the tank 31 is connected to the air compressor unit 11 in a substantially known manner not described.
  • the compressor 1 comprises a unit 33 for adjusting the pressure of the air which in turn comprises, for example, a pressure switch, a pressure gauge and a pressure reducer of substantially known type.
  • the air compressor 1 according to the invention is preferably fixed to the wall P by the above-mentioned and not illustrated screws attached to the plate 2.
  • the user connects a pneumatic tool, not illustrated, at the end 14a of the flexible hose 14 emerging from the opening 28 of the supporting and containing body 3.
  • an electric switch 129 advantageously mounted at the front of the supporting and containing body 3, the user actuates the air compression unit 11 which immediately provides compressed air to the pneumatic tool.
  • the supporting and containment body 3 may still oscillate about the axis A1 to facilitate this movement.
  • the user At the end of use of the compressed air, in known manner, the user, by means of a simple tug of the flexible hose 14, activates the rewinding by the above-mentioned rewinding means 15.
  • the compressor 1 is equipped with the tank 31 , the user will have available the compressed air stored in the tank 31.
  • the tank may advantageously be of the traditional tubular type, or also of any desired shape.
  • the compressor is provided with the supporting base 30, it can also be left in the stable position on the ground, without necessarily being constrained to a wall using the plate 2.
  • the handle 29 allows, in particular in the latter case, an easy movement of the compressor 1.
  • the air compressor unit 1 achieves the preset aims and brings important advantages.
  • a first advantage connected to the production of an air compressor 1 according to the invention is due to its compact architecture which encloses in one item both the compression unit and the means of winding the hose for distributing the compressed air and, if necessary, a tank for the air.
  • Another advantage linked to the invention is due to the possibility of fastening the above-mentioned assembly to the wall, with the clear result of eliminating any obstruction on the ground of the compartment where the compressor is located.
  • a structural central wall 8 makes it possible to have the guards side 9, 10 easily removable for accessing inside the compressor and carrying out any maintenance both on the compression unit and on the winding means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un compresseur d'air qui peut être fixé au mur, comprenant une plaque (2) qui peut être fixée à un mur, un corps de support (3) fixé à la plaque (2), une unité de compression d'air alimentée électriquement (11) logée dans le corps de support et de réception (3), un enrouleur (13) pour enrouler un tuyau souple (14) pour le passage de l'air comprimé provenant de l'unité de compression (11 ).
PCT/IB2019/056246 2019-07-22 2019-07-22 Unité de compression d'air WO2021014190A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112022000833A BR112022000833A2 (pt) 2019-07-22 2019-07-22 Unidade de compressor de ar
PCT/IB2019/056246 WO2021014190A1 (fr) 2019-07-22 2019-07-22 Unité de compression d'air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2019/056246 WO2021014190A1 (fr) 2019-07-22 2019-07-22 Unité de compression d'air

Publications (1)

Publication Number Publication Date
WO2021014190A1 true WO2021014190A1 (fr) 2021-01-28

Family

ID=68138605

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2019/056246 WO2021014190A1 (fr) 2019-07-22 2019-07-22 Unité de compression d'air

Country Status (2)

Country Link
BR (1) BR112022000833A2 (fr)
WO (1) WO2021014190A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895764A (en) * 1974-01-02 1975-07-22 Roland Mfg Co Dental retracting device
US20150059861A1 (en) * 2013-08-29 2015-03-05 Aktiebolaget Skf Integrated compressor reel and tank assembly
US9670034B2 (en) * 2014-04-29 2017-06-06 The Chamberlain Group, Inc. Power air compressor
US20180222715A1 (en) * 2017-02-07 2018-08-09 David R. Hall Compact Inflator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895764A (en) * 1974-01-02 1975-07-22 Roland Mfg Co Dental retracting device
US20150059861A1 (en) * 2013-08-29 2015-03-05 Aktiebolaget Skf Integrated compressor reel and tank assembly
US9670034B2 (en) * 2014-04-29 2017-06-06 The Chamberlain Group, Inc. Power air compressor
US20180222715A1 (en) * 2017-02-07 2018-08-09 David R. Hall Compact Inflator

Also Published As

Publication number Publication date
BR112022000833A2 (pt) 2022-03-08

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