EP1852608B1 - Air compressor having changeable structure - Google Patents
Air compressor having changeable structure Download PDFInfo
- Publication number
- EP1852608B1 EP1852608B1 EP20060009120 EP06009120A EP1852608B1 EP 1852608 B1 EP1852608 B1 EP 1852608B1 EP 20060009120 EP20060009120 EP 20060009120 EP 06009120 A EP06009120 A EP 06009120A EP 1852608 B1 EP1852608 B1 EP 1852608B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder housing
- outlet tube
- piston
- chamber
- air compressor
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 8
- 210000005069 ears Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F04B39/122—Cylinder block
-
- 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
- F04B35/01—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 the means being mechanical
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- 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
- F04B35/04—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 the means being electric
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- 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
-
- 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
- F04B39/125—Cylinder heads
-
- 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
- F04B39/14—Provisions for readily assembling or disassembling
Definitions
- the present invention relates to an air compressor, and more particularly to an air compressor having a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles.
- Typical air compressors comprise a cylinder housing attached or secured to a base and having a piston slidably disposed therein, and a motor secured to the base and coupled to the piston of the cylinder housing for actuating or driving the piston of the cylinder housing in a reciprocating action.
- U.S. Patent No. 6,846,162 to Chou which also comprises a piston slidably disposed within a cylinder housing and slidable along or relative to the cylinder housing in a reciprocating action and in a great speed, and an outlet tube extended from and formed integral with the cylinder housing and having one or more ducts extended outwardly from the outlet tube for receiving the pressurized air from the outlet tube.
- the ducts may be coupled to various kinds of facilities that require pressurized air supplied thereto, such as pressure gauges, air nozzles, safety valves, relief valves, etc.
- the outlet tube and the ducts are formed integral with the cylinder housing, such that the outlet tube and the ducts may include a large volume altogether, and may not be adjusted to different directions or positions relative to the cylinder housing, such that the cylinder housing and the outlet tube and the ducts may not be suitably engaged into or received within some of the outer receptacles or packages, or the like.
- the present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional air compressors.
- the primary objective of the present invention is to provide an air compressor including a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles.
- an air compressor in accordance with the present invention comprises a supporting base 10 including a plate 11 having an aperture 12 formed in a lower portion 13 thereof, and having an orifice 14 formed in an upper portion 15 thereof ( FIGS. 5 , 8 ), and having an arm 16 laterally extended from the upper portion 15 thereof, and a cylinder housing 17 provided on or extended from the arm 16 and preferably formed integral with the arm 16 and the plate 11, but the cylinder housing 17 may also be separated from the plate 11 and detachably secured to the plate 11 with such as fasteners 99 ( FIG. 8 ).
- the cylinder housing 17 includes a chamber 18 formed therein ( FIGS. 2-4 ) and having an open top ( FIG. 2 ) and an open bottom ( FIGS. 3, 4 ), and defined by a peripheral wall 19 ( FIGS. 2 ), for slidably receiving a piston 70 therein.
- the piston 70 is slidably received in the chamber 18 of the cylinder housing 17, and includes an extension or piston rod 71 extended therefrom, for allowing the piston 70 to slide in reciprocating action in the chamber 18 of the cylinder housing 17, and to generate pressurized air.
- the piston 70 includes a sealing ring 72 attached or secured onto the outer peripheral portion thereof and slidably engaged with the cylinder housing 17, for making an air tight seal between the piston 70 and the cylinder housing 17.
- the cylinder housing 17 includes a cover 20 detachably secured on top thereof with such as fasteners 90, for enclosing or blocking the open top of the chamber 18 thereof ( FIGS. 2-4 ), and a sealing ring 91 is disposed and engaged between the cover 20 and the cylinder housing 17, for making an air tight seal between the cover 20 and the cylinder housing 17.
- the cover 20 includes a peripheral slot 92 formed in the bottom portion thereof ( FIG. 6 ), for receiving the sealing ring 91 and for partially receiving the peripheral wall 19 of the cylinder housing 17.
- the cover 20 includes an outlet tube 21 extended upwardly or outwardly from the top thereof, and having a compartment 22 formed therein and communicating with the chamber 18 of the cylinder housing 17, for receiving the pressurized air from the chamber 18 of the cylinder housing 17.
- a spring-biased check valve 24 ( FIGS. 2-4 ) may be disposed in the outlet tube 21, and engaged with a valve seat 26 that is formed or provided between the outlet tube 21 and the cylinder housing 17, for controlling the inner air to flow from the chamber 18 of the cylinder housing 17 into the compartment 22 of the outlet tube 21 only, and for preventing the inner air from flowing backwardly from the compartment 22 of the outlet tube 21 into the chamber 18 of the cylinder housing 17 through the check valve 24.
- a cap 27 may be attached to the outer or free end of the outlet tube 21 with such as threading engagements, for blocking or enclosing the compartment 22 of the outlet tube 21, and for stably retaining the spring-biased check valve 24 within the compartment 22 of the outlet tube 21.
- a relief valve or safety valve may further be provided and attached to the outlet tube 21 when the cap 27 is disengaged from the outer or free end of the outlet tube 21, for relieving the pressurized air when the air pressure within the cylinder housing 17 and the outlet tube 21 is over-pressurized, or when the air pressure reaches a predetermined value.
- the spring-biased check valve 24 may thus be used to control the pressurized air to flow from the chamber 18 of the cylinder housing 17 into the compartment 22 of the outlet tube 21, and to prevent the pressurized air from flowing backwardly from the compartment 22 of the outlet tube 21 into the chamber 18 of the cylinder housing 17.
- the cylinder housing 17 or the cover 20 further includes one or more ducts 28, 29, 30, 31 extended outwardly from the outlet tube 21, and communicating with the compartment 22 of the outlet tube 21, for receiving the pressurized air from the compartment 22 of the outlet tube 21.
- the ducts 28, 29, 30, 31 may be coupled to various kinds of facilities that require pressurized air supplied thereto.
- One or more lids may further be provided and attached or secured to either of the ducts 28, 29, 30, 31 with such as threading engagements, for selectively enclosing or blocking the ducts 28, 29, 30, 31, when the ducts 28, 29, 30, 31 are not required to be used.
- a pressure gauge 33 may be provided and attached to one of the ducts 28, for detecting and showing the air pressure within the cylinder housing 17 and/or the outlet tube 21.
- a nozzle 34 may be provided and attached to another duct 29, for allowing the pressurized air to be supplied from the chamber 18 of the cylinder housing 17 and the compartment 22 of the outlet tube 21 to various facilities that require pressurized air supplied thereto, with the nozzle 34.
- a safety valve 32 may further be provided and attached to the other duct 30, for relieving the pressurized air when the air pressure within the cylinder housing 17 and/or the outlet tube 21 reaches a predetermined pressure or the highest pressure, and thus for preventing the cylinder housing 17 and/or the outlet tube 21 from being over-pressurized.
- a relief valve 35 may further be provided and attached to the further duct 31, for relieving the pressurized air when the air pressure within the cylinder housing 17 and/or the outlet tube 21 is over-pressurized.
- the provision or the extension of the ducts 28, 29, 30, 31 from the outlet tube 21 allows the pressure gauge 33 and the nozzle 34 and the safety valve 32 and the relief valve 35 to be easily and readily attached to or coupled to the outlet tube 21 with the ducts 28, 29, 30, 31, without additional or specialized coupling members or tools.
- a gear 40 is rotatably attached to the lower portion 13 of the plate 11 with one or more bearings and a shaft 42, and an eccentric member 45 is secured to the shaft 42 of the gear 40 and rotated in concert with the gear 40 and includes a crank or an eccentric pin 47 extended therefrom and coupled to the piston rod 71 of the piston 70, in order to actuate or to move the piston 70 relative to the cylinder housing 17 in reciprocating actions.
- a motor 50 may be attached or secured to the upper portion 15 of the plate 11 with such as fasteners 51 ( FIGS. 1 , 2 , 7 ), and includes a spindle 52 extended into the upper orifice 14 of the plate 11 ( FIGS. 3, 4 ), and includes a pinion 53 secured to the spindle 52 thereof, and engaged with the gear 40, for allowing the gear 40 to be rotated or driven by the motor 50 via the pinion 53, and thus for allowing the piston 70 to be actuated or moved relative to the cylinder housing 17 in reciprocating actions by the eccentric member 45 and the eccentric pin 47.
- a fan device 54 may further be provided and coupled to the motor 50 for being rotated or driven by the motor 50 to generate circulating or ventilating air.
- the piston 70 may be actuated or moved relative to the cylinder housing 17 in reciprocating actions by the motor 50 via pinion 53, the gear 40, the eccentric member 45 and the eccentric pin 47, in order to generate a pressurized air, and to allow the pressurized air to flow into the outlet tube 21, and then to flow out through either or all of the ducts 28, 29, 30, 31, and thus to allow the air pressure within the cylinder housing 17 and/or the outlet tube 21 to be detected and shown by the pressure gauge 33, and to allow the pressurized air to be supplied into the facilities that require pressurized air supplied thereto, with the nozzle 34, and/or to the pressurized air to be relieved via the relief valve 32 or the safety valve 35 when the cylinder housing 17 and/or the outlet tube 21 is over-pressurized or reaches the predetermined pressure or the highest pressure.
- the cover 20 further includes an inlet 36 formed therein and communicating with the chamber 18 of the cylinder housing 17, for allowing outside air to flow into the chamber 18 of the cylinder housing 17, and includes a recess 37 formed in the bottom portion thereof and communicating with the inlet 36 thereof, and includes a catch 38 extended therefrom or extended into the recess 37 thereof.
- a valve device 80 includes one or first end 81 engaged with or attached to the catch 38 of the cover 20, for attaching or securing the one or first end 81 of the valve device 80 to the cover 20.
- the valve device 80 includes a spring blade structure or is a spring blade for biasing and blocking or enclosing the inlet 36 of the cover 20, and for forming or acting as a check valve means or device to control the outside air to flow into the chamber 18 of the cylinder housing 17 when the piston 70 moves away from the cover 20, and to prevent the inner air from flowing out of the chamber 18 of the cylinder housing 17 through the valve device 80 when the piston 70 moves toward the cover 20.
- the cylinder housing 17 includes one or more, such as four studs 23 formed or provided on the outer peripheral portion thereof, and the cover 20 further includes one or more, such as four holes or ears 39 formed therein and selectively aligned with the studs 23 of the cylinder housing 17, for receiving the fasteners 90 which may secure the cover 20 on top of the cylinder housing 17.
- the cover 20 may be rotated or adjusted relative to the cylinder housing 17 to different angular position, before the fasteners 90 secure the cover 20 on top of the cylinder housing 17, and thus to allow the inlet 36 and the outlet tube 21 and the ducts 28, 29, 30, 31 of the cover 20 to be rotated or adjusted relative to the cylinder housing 17 to different angular position or location, for example, the status of different positions of the cover 20 relative to the cylinder housing 17 are shown in FIGS. 1 and 7 , and thus for allowing the air compressor to be attached to or received within various receptacles or packages.
- the cylinder housing 17 includes an upper wall 60 provided thereon for enclosing the upper portion of the chamber 18 thereof, and includes the inlet 36 formed therein, and includes a center opening 61 formed therein and defined by a peripheral fence 62, and includes a peripheral groove 63 formed therein and located around the peripheral fence 62, for receiving a sealing ring 64.
- the cover 20 may be secured on top of the cylinder housing 17, and the spring-biased check valve 24 may be engaged into the compartment 22 of the outlet tube 21 via the lower or bottom portion thereof, and biased to engage with the peripheral fence 62, for controlling the inner air to flow from the chamber 18 of the cylinder housing 17 into the compartment 22 of the outlet tube 21 when the piston 70 moves toward the cover 20, and for preventing the inner air from flowing backwardly from the compartment 22 of the outlet tube 21 into the chamber 18 of the cylinder housing 17 when the piston 70 moves away from the cover 20.
- the compartment 22 of the outlet tube 21 is preferably a blind compartment 22, and the outlet tube 21 includes a peg 66 extended therefrom, or extended into the compartment 22 thereof, for engaging with the spring-biased check valve 24, and for stably anchoring or positioning the spring-biased check valve 24 within the compartment 22 of the outlet tube 21.
- the sealing ring 64 is engaged between the upper wall 60 of the cylinder housing 17 and the cover 20, for making an air tight seal between the cover 20 and the upper wall 60 of the cylinder housing 17.
- the upper wall 60 of the cylinder housing 17 is spaced away from the cover 20, and the inlet 36 of the upper wall 60 of the cylinder housing 17 may thus be kept out of the other objects or receptacles or packages, such that the inlet 36 of the upper wall 60 of the cylinder housing 17 may be prevented from being blocked or shielded when the air compressor is attached to or received within various receptacles or packages.
- the outlet tube 21 and the ducts 28, 29, 30, 31 of the cover 20 may also be rotated or adjusted relative to the cylinder housing 17 to different angular position or location, for allowing the air compressor to be attached to or received within various receptacles or packages.
- the cover 20 of the cylinder housing 17 includes no inlet formed therein.
- the piston 70 includes a bore 73 formed therein
- the valve device 80 includes one or first end 81 engaged with or attached to the piston 70, for biasing and blocking or enclosing the bore 73 of the piston 70, and for forming a check valve means or device to control the outside air to intake or to flow into the chamber 18 of the cylinder housing 17 when the piston 70 moves away from the cover 20, and to prevent the inner air from flowing backwardly or outwardly from the chamber 18 of the cylinder housing 17 through the bore 73 of the piston 70 when the piston 70 moves toward the cover 20.
- the cover 20 of the cylinder housing 17 includes no inlet formed therein, and the upper wall 60 of the cylinder housing 17 also includes no inlet formed therein, but also spaced away from the cover 20.
- the piston 70 includes a bore 73 formed therein
- the valve device 80 includes one or first end 81 engaged with or attached to the piston 70, for biasing and blocking or enclosing the bore 73 of the piston 70, and for forming a check valve means or device to control the outside air to intake or to flow into the chamber 18 of the cylinder housing 17 when the piston 70 moves away from the cover 20, and to prevent the inner air from flowing backwardly or outwardly from the chamber 18 of the cylinder housing 17 through the bore 73 of the piston 70, or from flowing out of the chamber 18 of the cylinder housing 17 when the piston 70 moves toward the cover 20.
- the cylinder housing 17 as shown in FIGS. 9-17 may also be separated from the plate 11, and may also be detachably secured to the plate 11 with such as fasteners 99, similar to that shown in FIG. 8 , to allow different cylinder housings 17 of different structures or contours to be detachably or changeably secured to the plate 11 with such as the fasteners 99 ( FIG. 8 ).
- the air compressor in accordance with the present invention includes a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles or packages.
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Description
- The present invention relates to an air compressor, and more particularly to an air compressor having a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles.
- Typical air compressors comprise a cylinder housing attached or secured to a base and having a piston slidably disposed therein, and a motor secured to the base and coupled to the piston of the cylinder housing for actuating or driving the piston of the cylinder housing in a reciprocating action.
- The applicant has developed various kinds of typical air compressors, such as
U.S. Patent No. 6,846,162 to Chou , which also comprises a piston slidably disposed within a cylinder housing and slidable along or relative to the cylinder housing in a reciprocating action and in a great speed, and an outlet tube extended from and formed integral with the cylinder housing and having one or more ducts extended outwardly from the outlet tube for receiving the pressurized air from the outlet tube. - An air compressor having the technical features as defined in the preamble of
claim 1 is known fromUS 6,648,612 B2 . - The ducts may be coupled to various kinds of facilities that require pressurized air supplied thereto, such as pressure gauges, air nozzles, safety valves, relief valves, etc. However, the outlet tube and the ducts are formed integral with the cylinder housing, such that the outlet tube and the ducts may include a large volume altogether, and may not be adjusted to different directions or positions relative to the cylinder housing, such that the cylinder housing and the outlet tube and the ducts may not be suitably engaged into or received within some of the outer receptacles or packages, or the like.
- The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional air compressors.
- The primary objective of the present invention is to provide an air compressor including a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles.
- Further objectives and advantages of the present invention will become apparent from a careful reading of the detailed description provided hereinbelow, with appropriate reference to the accompanying drawings.
-
FIG. 1 is a perspective view of an air compressor in accordance with the present invention; -
FIG. 2 is a partial exploded view of the air compressor; -
FIG. 3 is a perspective view similar toFIG. 1 , in which one half of the air compressor is cut off for showing an inner structure of the air compressor; -
FIG. 4 is a perspective view similar toFIG. 3 , illustrating the operation of the air compressor; -
FIG. 5 is a partial perspective view of the air compressor, in which some of the parts or elements have been removed from the air compressor; -
FIG. 6 is a partial exploded view as seen from the bottom of a cover of the air compressor; -
FIG. 7 is a perspective view similar toFIG. 1 , illustrating the operation of the air compressor; -
FIG. 8 is a further partial exploded view of the air compressor; -
FIG. 9 is a partial exploded view similar toFIG. 2 , illustrating the other arrangement of the air compressor; -
FIG. 10 is a perspective view of the air compressor as shown inFIG. 9 , in which one half of the air compressor is cut off for showing an inner structure of the air compressor; -
FIG. 11 is a perspective view similar toFIG. 10 , illustrating the operation of the air compressor as shown inFIGS.9-11 ; -
FIG. 12 is a perspective view illustrating another arrangement of the air compressor; -
FIG. 13 is a partial exploded view of the air compressor as shown inFIG. 12 ; -
FIG. 14 is a perspective view of the air compressor as shown inFIGS.12-13 , in which one half of the air compressor is cut off for showing an inner structure of the air compressor; -
FIG. 15 is a perspective view similar toFIG. 14 , illustrating the operation of the air compressor as shown inFIGS.12-15 ; -
FIG. 16 is a perspective view similar toFIG. 12 , illustrating the further arrangement of the air compressor; and -
FIG. 17 is a partial exploded view illustrating the air compressor as shown inFIG. 16 . - Referring to the drawings, and initially to
FIGS. 1-8 , an air compressor in accordance with the present invention comprises a supportingbase 10 including aplate 11 having anaperture 12 formed in alower portion 13 thereof, and having anorifice 14 formed in anupper portion 15 thereof (FIGS. 5 ,8 ), and having anarm 16 laterally extended from theupper portion 15 thereof, and acylinder housing 17 provided on or extended from thearm 16 and preferably formed integral with thearm 16 and theplate 11, but thecylinder housing 17 may also be separated from theplate 11 and detachably secured to theplate 11 with such as fasteners 99 (FIG. 8 ). - The
cylinder housing 17 includes achamber 18 formed therein (FIGS. 2-4 ) and having an open top (FIG. 2 ) and an open bottom (FIGS. 3, 4 ), and defined by a peripheral wall 19 (FIGS. 2 ), for slidably receiving apiston 70 therein. Thepiston 70 is slidably received in thechamber 18 of thecylinder housing 17, and includes an extension orpiston rod 71 extended therefrom, for allowing thepiston 70 to slide in reciprocating action in thechamber 18 of thecylinder housing 17, and to generate pressurized air. Thepiston 70 includes asealing ring 72 attached or secured onto the outer peripheral portion thereof and slidably engaged with thecylinder housing 17, for making an air tight seal between thepiston 70 and thecylinder housing 17. - The
cylinder housing 17 includes acover 20 detachably secured on top thereof with such asfasteners 90, for enclosing or blocking the open top of thechamber 18 thereof (FIGS. 2-4 ), and asealing ring 91 is disposed and engaged between thecover 20 and thecylinder housing 17, for making an air tight seal between thecover 20 and thecylinder housing 17. For example, thecover 20 includes aperipheral slot 92 formed in the bottom portion thereof (FIG. 6 ), for receiving thesealing ring 91 and for partially receiving theperipheral wall 19 of thecylinder housing 17. Thecover 20 includes anoutlet tube 21 extended upwardly or outwardly from the top thereof, and having acompartment 22 formed therein and communicating with thechamber 18 of thecylinder housing 17, for receiving the pressurized air from thechamber 18 of thecylinder housing 17. - A spring-biased check valve 24 (
FIGS. 2-4 ) may be disposed in theoutlet tube 21, and engaged with avalve seat 26 that is formed or provided between theoutlet tube 21 and thecylinder housing 17, for controlling the inner air to flow from thechamber 18 of thecylinder housing 17 into thecompartment 22 of theoutlet tube 21 only, and for preventing the inner air from flowing backwardly from thecompartment 22 of theoutlet tube 21 into thechamber 18 of thecylinder housing 17 through thecheck valve 24. Acap 27 may be attached to the outer or free end of theoutlet tube 21 with such as threading engagements, for blocking or enclosing thecompartment 22 of theoutlet tube 21, and for stably retaining the spring-biased check valve 24 within thecompartment 22 of theoutlet tube 21. - A relief valve or safety valve (not shown) may further be provided and attached to the
outlet tube 21 when thecap 27 is disengaged from the outer or free end of theoutlet tube 21, for relieving the pressurized air when the air pressure within thecylinder housing 17 and theoutlet tube 21 is over-pressurized, or when the air pressure reaches a predetermined value. The spring-biased check valve 24 may thus be used to control the pressurized air to flow from thechamber 18 of thecylinder housing 17 into thecompartment 22 of theoutlet tube 21, and to prevent the pressurized air from flowing backwardly from thecompartment 22 of theoutlet tube 21 into thechamber 18 of thecylinder housing 17. - The
cylinder housing 17 or thecover 20 further includes one ormore ducts outlet tube 21, and communicating with thecompartment 22 of theoutlet tube 21, for receiving the pressurized air from thecompartment 22 of theoutlet tube 21. Theducts ducts ducts ducts - For example, a
pressure gauge 33 may be provided and attached to one of theducts 28, for detecting and showing the air pressure within thecylinder housing 17 and/or theoutlet tube 21. Anozzle 34 may be provided and attached to anotherduct 29, for allowing the pressurized air to be supplied from thechamber 18 of thecylinder housing 17 and thecompartment 22 of theoutlet tube 21 to various facilities that require pressurized air supplied thereto, with thenozzle 34. - A
safety valve 32 may further be provided and attached to theother duct 30, for relieving the pressurized air when the air pressure within thecylinder housing 17 and/or theoutlet tube 21 reaches a predetermined pressure or the highest pressure, and thus for preventing thecylinder housing 17 and/or theoutlet tube 21 from being over-pressurized. Arelief valve 35 may further be provided and attached to thefurther duct 31, for relieving the pressurized air when the air pressure within thecylinder housing 17 and/or theoutlet tube 21 is over-pressurized. It is to be noted that the provision or the extension of theducts outlet tube 21 allows thepressure gauge 33 and thenozzle 34 and thesafety valve 32 and therelief valve 35 to be easily and readily attached to or coupled to theoutlet tube 21 with theducts - A
gear 40 is rotatably attached to thelower portion 13 of theplate 11 with one or more bearings and ashaft 42, and aneccentric member 45 is secured to theshaft 42 of thegear 40 and rotated in concert with thegear 40 and includes a crank or aneccentric pin 47 extended therefrom and coupled to thepiston rod 71 of thepiston 70, in order to actuate or to move thepiston 70 relative to thecylinder housing 17 in reciprocating actions. - A
motor 50 may be attached or secured to theupper portion 15 of theplate 11 with such as fasteners 51 (FIGS. 1 ,2 ,7 ), and includes aspindle 52 extended into theupper orifice 14 of the plate 11 (FIGS. 3, 4 ), and includes apinion 53 secured to thespindle 52 thereof, and engaged with thegear 40, for allowing thegear 40 to be rotated or driven by themotor 50 via thepinion 53, and thus for allowing thepiston 70 to be actuated or moved relative to thecylinder housing 17 in reciprocating actions by theeccentric member 45 and theeccentric pin 47. Afan device 54 may further be provided and coupled to themotor 50 for being rotated or driven by themotor 50 to generate circulating or ventilating air. - In operation, as shown in
FIGS. 3 and 4 , thepiston 70 may be actuated or moved relative to thecylinder housing 17 in reciprocating actions by themotor 50 viapinion 53, thegear 40, theeccentric member 45 and theeccentric pin 47, in order to generate a pressurized air, and to allow the pressurized air to flow into theoutlet tube 21, and then to flow out through either or all of theducts cylinder housing 17 and/or theoutlet tube 21 to be detected and shown by thepressure gauge 33, and to allow the pressurized air to be supplied into the facilities that require pressurized air supplied thereto, with thenozzle 34, and/or to the pressurized air to be relieved via therelief valve 32 or thesafety valve 35 when the cylinder housing 17 and/or theoutlet tube 21 is over-pressurized or reaches the predetermined pressure or the highest pressure. - As shown in
FIGS. 2-4 and6 , thecover 20 further includes aninlet 36 formed therein and communicating with thechamber 18 of thecylinder housing 17, for allowing outside air to flow into thechamber 18 of thecylinder housing 17, and includes arecess 37 formed in the bottom portion thereof and communicating with theinlet 36 thereof, and includes acatch 38 extended therefrom or extended into therecess 37 thereof. Avalve device 80 includes one orfirst end 81 engaged with or attached to thecatch 38 of thecover 20, for attaching or securing the one orfirst end 81 of thevalve device 80 to thecover 20. - The
valve device 80 includes a spring blade structure or is a spring blade for biasing and blocking or enclosing theinlet 36 of thecover 20, and for forming or acting as a check valve means or device to control the outside air to flow into thechamber 18 of thecylinder housing 17 when thepiston 70 moves away from thecover 20, and to prevent the inner air from flowing out of thechamber 18 of thecylinder housing 17 through thevalve device 80 when thepiston 70 moves toward thecover 20. - The
cylinder housing 17 includes one or more, such as fourstuds 23 formed or provided on the outer peripheral portion thereof, and thecover 20 further includes one or more, such as four holes orears 39 formed therein and selectively aligned with thestuds 23 of thecylinder housing 17, for receiving thefasteners 90 which may secure thecover 20 on top of thecylinder housing 17. - It is to be noted that the
cover 20 may be rotated or adjusted relative to thecylinder housing 17 to different angular position, before thefasteners 90 secure thecover 20 on top of thecylinder housing 17, and thus to allow theinlet 36 and theoutlet tube 21 and theducts cover 20 to be rotated or adjusted relative to thecylinder housing 17 to different angular position or location, for example, the status of different positions of thecover 20 relative to thecylinder housing 17 are shown inFIGS. 1 and7 , and thus for allowing the air compressor to be attached to or received within various receptacles or packages. - Alternatively, as shown in
FIGS. 9-11 , thecylinder housing 17 includes anupper wall 60 provided thereon for enclosing the upper portion of thechamber 18 thereof, and includes theinlet 36 formed therein, and includes acenter opening 61 formed therein and defined by aperipheral fence 62, and includes aperipheral groove 63 formed therein and located around theperipheral fence 62, for receiving asealing ring 64. - The
cover 20 may be secured on top of thecylinder housing 17, and the spring-biased check valve 24 may be engaged into thecompartment 22 of theoutlet tube 21 via the lower or bottom portion thereof, and biased to engage with theperipheral fence 62, for controlling the inner air to flow from thechamber 18 of thecylinder housing 17 into thecompartment 22 of theoutlet tube 21 when thepiston 70 moves toward thecover 20, and for preventing the inner air from flowing backwardly from thecompartment 22 of theoutlet tube 21 into thechamber 18 of thecylinder housing 17 when thepiston 70 moves away from thecover 20. - The
compartment 22 of theoutlet tube 21 is preferably ablind compartment 22, and theoutlet tube 21 includes apeg 66 extended therefrom, or extended into thecompartment 22 thereof, for engaging with the spring-biased check valve 24, and for stably anchoring or positioning the spring-biased check valve 24 within thecompartment 22 of theoutlet tube 21. Thesealing ring 64 is engaged between theupper wall 60 of thecylinder housing 17 and thecover 20, for making an air tight seal between thecover 20 and theupper wall 60 of thecylinder housing 17. - It is also to be noted that the
upper wall 60 of thecylinder housing 17 is spaced away from thecover 20, and theinlet 36 of theupper wall 60 of thecylinder housing 17 may thus be kept out of the other objects or receptacles or packages, such that theinlet 36 of theupper wall 60 of thecylinder housing 17 may be prevented from being blocked or shielded when the air compressor is attached to or received within various receptacles or packages. In addition, theoutlet tube 21 and theducts cover 20 may also be rotated or adjusted relative to thecylinder housing 17 to different angular position or location, for allowing the air compressor to be attached to or received within various receptacles or packages. - Further alternatively, as shown in
FIGS. 12-15 , thecover 20 of thecylinder housing 17 includes no inlet formed therein. Instead, thepiston 70 includes abore 73 formed therein, and thevalve device 80 includes one orfirst end 81 engaged with or attached to thepiston 70, for biasing and blocking or enclosing thebore 73 of thepiston 70, and for forming a check valve means or device to control the outside air to intake or to flow into thechamber 18 of thecylinder housing 17 when thepiston 70 moves away from thecover 20, and to prevent the inner air from flowing backwardly or outwardly from thechamber 18 of thecylinder housing 17 through thebore 73 of thepiston 70 when thepiston 70 moves toward thecover 20. - Further alternatively, as shown in
FIGS. 16-17 , thecover 20 of thecylinder housing 17 includes no inlet formed therein, and theupper wall 60 of thecylinder housing 17 also includes no inlet formed therein, but also spaced away from thecover 20. Instead, thepiston 70 includes abore 73 formed therein, and thevalve device 80 includes one orfirst end 81 engaged with or attached to thepiston 70, for biasing and blocking or enclosing thebore 73 of thepiston 70, and for forming a check valve means or device to control the outside air to intake or to flow into thechamber 18 of thecylinder housing 17 when thepiston 70 moves away from thecover 20, and to prevent the inner air from flowing backwardly or outwardly from thechamber 18 of thecylinder housing 17 through thebore 73 of thepiston 70, or from flowing out of thechamber 18 of thecylinder housing 17 when thepiston 70 moves toward thecover 20. - It is to be noted that the
cylinder housing 17 as shown inFIGS. 9-17 may also be separated from theplate 11, and may also be detachably secured to theplate 11 with such asfasteners 99, similar to that shown inFIG. 8 , to allowdifferent cylinder housings 17 of different structures or contours to be detachably or changeably secured to theplate 11 with such as the fasteners 99 (FIG. 8 ). - Accordingly, the air compressor in accordance with the present invention includes a detachable or changeable structure for allowing an outlet tube of the air compressor to be adjusted to different angular positions or directions, and for allowing the air compressor to be attached to or received within various receptacles or packages.
- Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the scope of the invention as hereinafter claimed.
Claims (6)
- An air compressor comprising:a cylinder housing (17) including a chamber (18) formed therein, and defined by a peripheral wall (19),a piston (70) slidably received in said chamber (18) of said cylinder housing (17), and having a piston rod extended therefrom,a motor (50) coupled to said piston rod, for moving said piston (70) relative to said cylinder housing (17) in a reciprocating action, in order to generate pressurized air, anda cover (20) detachably secured on top of said cylinder housing (17), and including an outlet tube (21) having a compartment (22) formed therein and communicating with said chamber of said cylinder housing (17), for receiving the pressurized air from said chamber (18) of said cylinder housing (17), and said outlet tube (21) including at least one duct (28, 29, 30, 31) extended outwardly therefrom and communicating with said compartment (22) of said outlet tube (21) for receiving the pressurized air from said compartment (22) of said outlet tube (21),characterized in thatsaid cylinder housing (17) includes an upper wall (60) provided thereon for enclosing an upper portion (15) of said chamber (18) thereof, said upper wall (60) includes a center opening (61) formed therein and defined by a peripheral fence (62), and said cover (20) is secured on top of said cylinder housing (17) and includes a check valve (24) engaged into said compartment (22) of said outlet tube (21) and biased to engage with said peripheral fence (62), for controlling the inner air to flow from said chamber (18) of said cylinder housing (17) into said compartment (22) of said outlet tube (21).
- The air compressor as claimed in claim 1, wherein said cylinder housing (17) includes at least two studs (23) provided on an outer peripheral portion thereof, and said cover (20) includes at least two ears (39) formed therein and selectively aligned with said at least two studs (23) of said cylinder housing (17), for receiving fasteners (90) which adjustably secure said cover on top of said cylinder housing (17).
- The air compressor as claimed in claim 1 further comprising a supporting base (10) including a plate (11) having an arm (16) extended therefrom to support said cylinder housing (17), said motor (50) being attached to said plate (11) and including a spindle (52) extended through said plate (11), and an eccentric member (45) coupled to said spindle (52) of said motor (50) and having a pin (47) extended therefrom and coupled to said piston rod, to move said piston (70) relative to said cylinder housing (17) in reciprocating action, said plate (11) includes a gear (40) rotatably attached thereto and rotatably attached to said plate (11) with a shaft (42), said eccentric member (45) is secured to said shaft (42) and has said pin (47) extended therefrom.
- The air compressor as claimed in claim 1, wherein said cover (20) includes a first duct (28), and a second duct (29) extended outwardly from said outlet tube (21) and communicating with said compartment (22) of said outlet tube (21), for receiving the pressurized air from said compartment (22) of said outlet tube (21), a pressure gauge (33) attached to said first duct (28), a nozzle (34) coupled to said second duct (29); and a valve attached to said at least one duct (28, 29).
- The air compressor as claimed in claim 1, wherein said upper wall (60) includes an inlet (31) formed therein, and a valve device (80) secured to said upper wall, for blocking said inlet of said upper wall, and for controlling the outside air to flow into said chamber of said cylinder housing (17).
- The air compressor as claimed in claim 1, wherein said piston (70) includes a bore (73) formed therein, and a valve device (80) secured to said piston, for blocking said bore of said piston, and for controlling the inner air to flow into and out of said chamber of said cylinder housing (17).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200660005909 DE602006005909D1 (en) | 2006-05-03 | 2006-05-03 | Air compressor with adaptable outer housing structure |
EP20060009120 EP1852608B1 (en) | 2006-05-03 | 2006-05-03 | Air compressor having changeable structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP20060009120 EP1852608B1 (en) | 2006-05-03 | 2006-05-03 | Air compressor having changeable structure |
Publications (2)
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EP1852608A1 EP1852608A1 (en) | 2007-11-07 |
EP1852608B1 true EP1852608B1 (en) | 2009-03-25 |
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Application Number | Title | Priority Date | Filing Date |
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EP20060009120 Active EP1852608B1 (en) | 2006-05-03 | 2006-05-03 | Air compressor having changeable structure |
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EP (1) | EP1852608B1 (en) |
DE (1) | DE602006005909D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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UA119134C2 (en) | 2012-08-08 | 2019-05-10 | Аарон Фьюстел | Rotary expansible chamber devices having adjustable working-fluid ports, and systems incorporating the same |
CN111140770B (en) * | 2020-01-03 | 2021-05-21 | 浙江大象电动工具有限公司 | Low-noise air compressor |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4551074A (en) * | 1981-10-01 | 1985-11-05 | Honda Giken Kogyo Kabushiki Kaisha | Air pump apparatus |
US5655887A (en) * | 1996-09-11 | 1997-08-12 | Chou; Wen-San | Valved Piston arrangement for an electric motor driven air compressor |
US6200110B1 (en) * | 1999-03-01 | 2001-03-13 | Wen San Chou | Air compressor |
AU2001281079A1 (en) * | 2000-08-08 | 2002-02-18 | Thomas Industries Inc. | Pump with reversible port function |
US6648612B2 (en) * | 2002-03-25 | 2003-11-18 | I-Min Hsiao | Oil-free air compressor |
DE20208237U1 (en) * | 2002-05-06 | 2002-09-12 | Chen, Chi-Ming, Hsin-Tien, Taipeh | Improved embodiment of an inflator |
-
2006
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- 2006-05-03 EP EP20060009120 patent/EP1852608B1/en active Active
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DE602006005909D1 (en) | 2009-05-07 |
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