CN201218174Y - Rotating gas cylinder compressor - Google Patents
Rotating gas cylinder compressor Download PDFInfo
- Publication number
- CN201218174Y CN201218174Y CNU2008200887621U CN200820088762U CN201218174Y CN 201218174 Y CN201218174 Y CN 201218174Y CN U2008200887621 U CNU2008200887621 U CN U2008200887621U CN 200820088762 U CN200820088762 U CN 200820088762U CN 201218174 Y CN201218174 Y CN 201218174Y
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- CN
- China
- Prior art keywords
- cylinder
- rotary cylinder
- cylinder body
- compressor
- piston
- 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.)
- Expired - Fee Related
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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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/06—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
- F04B27/065—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders
- F04B27/0657—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders rotary cylinder block
- F04B27/0663—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders rotary cylinder block the rotary cylinder being provided with only one piston, reciprocating within this cylinder
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/06—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
- F04B27/065—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders
- F04B27/0657—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders rotary cylinder block
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to a rotating cylinder compressor which belongs to the technical field of the positive-displacement compressor. The rotating cylinder compressor comprises a rotating cylinder body and a working piston, wherein two cylinder holes which are vertical to an axial line of the rotating cylinder body with mutually-formed 90 degrees are arranged on the columned rotating cylinder body along the axial direction; the working piston is arranged in the cylinder holes and is matched and connected with an eccentrical shaft neck arranged on an eccentrical shaft through a piston hole bearing. The rotating cylinder compressor drives the piston through the eccentrical shaft neck arranged on the eccentrical shaft to cause the cylinder body to do rotating motion, and the piston also slides in the cylinder holes of the cylinder body and does reciprocated motion; relative to an immovable cylinder shell body, two ends of the piston all exist the working processes of inspiration, compression and exhaustion so that the working efficiency can be improved through one double-working process. An air suction port and an air exhaust port are arranged on the cylinder shell body, and air suction and exhaust processes can be realized through the specific phase switching relation of the external cylindrical surface of the cylinder body and the surface of an internal hole of a compressor shell, thereby the production cost is reduced as an air suction valve and an air exhaust valve are not needed to be arranged.
Description
Technical field
The utility model belongs to the technical field of positive displacement compressor, is specifically related to a kind of two working cylinders that are provided with, and realizes the rotary cylinder compressor of double cylinder double acting.
Background technique
On the existing mechanical motion is learned, multiple motion, driving mechanisms such as connecting rod, gear drive, pinion and rack, cam mechanism, slider-rocker mechanism, eccentric shaft mechanism, belt gear are arranged, each have their own features and applications, transmission efficiency of having nothing in common with each other and cost of production.For example be used on the motor, be used on the positive displacement compressor, be used on the high-pressure plunger pump, connecting rod is to use the most general a kind of mechanism.Have relatively high expectations and the most outstanding characteristics of connecting rod product are the machining accuracies of member, processing cost is higher, and the friction pair of mechanism is many, and transmission efficiency is relatively low, and the boundary dimension of product, weight are also bigger or the like.For example adopt the reciprocating (gas) compressor of connecting rod driving, it is the compressor product of using the most generally, but on this class positive displacement gas compressor product, all be provided with Aspirating valves and outlet valve, in the compression chamber of cylinder, all there is the valve chamber " clearance volume " that differs in size, these harmful " clearance volumes " all can influence the volumetric efficiency of gas compressor, can reduce the actual row tolerance of cylinder.And suction, exhaust valve plate in each cylinder are the operating main noise of gas compressor sources.And the mass unbalance factor of bent axle, link motion parts is the operating vibration generation source of compressor product.
The model utility content
At problems of the prior art, the purpose of this utility model is to provide a kind of rotary cylinder technology of compressors scheme, rotation motion and two kinds of forms of motion of to-and-fro motion are compounded in the same motion, suction, exhaust valve plate need not be set again, improve working efficiency, reduced cost of production.
Described rotary cylinder compressor, comprise rotary cylinder body and working piston, it is characterized in that being provided with vertically on the columned rotary cylinder body two with the axis normal of rotary cylinder body and be mutually 90 ° cylinder-bore, correspondence is provided with working piston in two cylinder-bore, and working piston is connected by the eccentric journal on piston hole bearing and the eccentric shaft.
Described rotary cylinder compressor, it is characterized in that rotary cylinder body two ends are equipped with left cylinder head, right cylinder head, a left side cylinder head, right cylinder head are fixedlyed connected with the cylinder shell of the external setting of rotary cylinder, and the rotary cylinder body holds with cylinder shell or left cylinder head, right cylinder head by the rotary cylinder axon and is rotatably assorted.
Described rotary cylinder compressor is characterized in that eccentric shaft and rotary cylinder body around rotating center rotation separately, and sense of rotation is identical, and rotating ratio is 2: 1.
Described rotary cylinder compressor is characterized in that working piston slides in the rotary cylinder body by the drive of the eccentric journal on the eccentric shaft, and movable stroke is 4 times of eccentric shaft throw of eccentric.
Described rotary cylinder compressor is characterized in that on the external cylindrical surface of rotary cylinder body or the both ends of the surface lattice Lay seal ring being set.
Described rotary cylinder compressor is characterized in that the piston hole bearing adopts the duplex bearing nested structure.
The utility model drives piston by the eccentric journal on the eccentric shaft, cylinder body is rotated, piston slides in the cylinder-bore of cylinder body again and moves reciprocatingly simultaneously, with respect to fixed cylinder shell, that the two ends of piston all exist is air-breathing, the working procedure of compression and exhaust, and a such double-action working procedure has improved working efficiency.Intakeport and relief opening are opened on the cylinder shell, the specific phase place handoff relation of the external cylindrical surface by cylinder body and the bore area of casing realizes inhaling, exhaust process, thereby need not to be provided with suction, outlet valve, reduce cost of production, also reduced the valve block impact noise that produces in the working procedure simultaneously.Balance when the symmetry properties of motion has guaranteed the product running need not to be provided with uneven balancing weight again, has alleviated the weight of product when reducing noise again.
Description of drawings
Fig. 1 cross-sectional view of the present utility model;
Fig. 2 port timing schematic representation of the present utility model;
The end face seal structure enlarged diagram of Fig. 3 rotary cylinder;
The structure enlarged diagram of Fig. 4 piston hole bearing;
Fig. 5-Fig. 8 is a working procedure schematic diagram of the present utility model.
Embodiment
Be provided with two on the columned rotary cylinder body 4 vertically with the axis normal of rotary cylinder body 4 and be mutually 90 ° cylinder-bore, working piston 7 is arranged in the cylinder-bore, working piston 7 is connected by the eccentric journal on piston hole bearing 5 and the eccentric shaft 1, piston hole bearing 5 adopts the duplex bearing nested structure, in order to improve the adaptability that working piston 7 slides in the cylinder-bore of rotary cylinder body 4, improve its kinematic accuracy, reduce wear.Rotary cylinder body 4 two ends are equipped with left cylinder head 9, right cylinder head 3, a left side cylinder head 9, right cylinder head 3 are fixedlyed connected with the rotary cylinder body 4 outer cylinder shells 6 that are provided with, rotary cylinder body 4 by the rotary cylinder axon hold 8 and cylinder shell 6 or left cylinder head 9, right cylinder head 3 be rotatably assorted.Lattice Lay seal ring 13 is set on the external cylindrical surface of rotary cylinder body 4 or the both ends of the surface, has adopted face contact seal, the pressurized gas that are used for stoping rotary cylinder body 4 end faces have guaranteed higher compression efficiency to the transmission shaft endoluminal leak, good sealing effect, and leakage loss is little.
During work, eccentric shaft 1 supports by eccentric shaft bearing 2 and rotates, thereby drive working piston 7 and make rotary cylinder body 4 equidirectional rotatablely moving, because eccentric shaft 1, rotary cylinder body 4 and working piston 7 are not on the same center line, between have a fixing eccentric distance e, therefore working piston 7 slides in the cylinder-bore of rotary cylinder body 4 under eccentric journal on the eccentric shaft 1 drives and does reciprocatory motion, its reciprocating range is 4e, and eccentric shaft 1 and rotary cylinder body 4 are around the rotating ratio n1 of rotating center rotation separately: n2 is 2: 1.There is an angle of yaw φ between the line of centers at eccentric shaft 1, rotary cylinder body 4 and 7 three centers of working piston and the perpendicular bisector of cylinder shell 6, this angle of yaw φ is called valve timing diagram, its deflection direction (right avertence or left avertence) is relevant with the sense of rotation of main shaft, and has specific relation with the position of inlet and outlet mouth on the casing.Therefore, after angle of yaw φ decided, inlet hole 10, air aspiration cavity 11 and the position of relief opening 12 on cylinder shell 6 just can have been decided.As shown in Figure 2, concerning each cylinder working chamber, turn in the journey in a circumference: β is the breathing process angle, and ε is the compression process angle, and θ is the exhaust process angle.
Working procedure principle of the present utility model is seen Fig. 5-shown in Figure 8.The piston two ends of each cylinder respectively form two active chamber A and B, as shown in Figure 7.The central point of rotary cylinder body 4 is O
1, the central point of eccentric shaft 1 is O
2, the central point of working piston 7 is O
3Working piston 7 shown in Figure 6 is in lower dead center (or deserve to be called, lower dead centre) position, and the A cylinder is air-breathing terminal point, and the B cylinder is the exhaust terminal point, the O of this moment
1, O
2, O
3Three-core line and the included angle of the perpendicular bisector of casing 6 piston stop angle just, i.e. valve timing diagram φ, this angle has determined the phase angle of the inlet and outlet mouth on the casing 6.Shown in Figure 7, piston is in the central position of cylinder, and the B active chamber is in the breathing process, and the A active chamber is in the exhaust process, at this moment the center O of piston
3With the cylinder body center O
1Be in the bedded position.Shown in Figure 5, the A cylinder is air-breathing will be eventually, and the exhaust of B cylinder will be eventually.Shown in Figure 8 similar with Fig. 6, just A, B two cylinders have been exchanged a phase place, and just rotary cylinder body 4 has rotated 180 °, and this moment, eccentric shaft 1 rotated 360 °.
Therefore for the utility model, adopted the structure of double cylinder double acting, two cylinder-bore are arranged by 90 ° of phase angles, 720 ° of eccentric shaft 1 every rotations, rotary cylinder body 4 just rotates 360 °, and two cylinder-bore are externally exported pressurized air altogether 4 times, and the running balance quality of the main frame of this structural configuration is good, outside air feed frequency is very high, and air supply pressure fluctuation is very little.
Claims (6)
1. rotary cylinder compressor, comprise rotary cylinder body (4) and working piston (7), it is characterized in that being provided with on the columned rotary cylinder body (4) two with the axis normal of rotary cylinder body (4) and be mutually 90 ° cylinder-bore, correspondence is provided with working piston (7) in two cylinder-bore, and working piston (7) is connected by the eccentric journal on piston hole bearing (5) and the eccentric shaft (1).
2. rotary cylinder compressor as claimed in claim 1, it is characterized in that rotary cylinder body (4) two ends are equipped with left cylinder head (9), right cylinder head (3), a left side cylinder head (9), right cylinder head (3) are fixedlyed connected with the outer cylinder shell (6) that is provided with of rotary cylinder body (4), rotary cylinder body (4) by the rotary cylinder axon hold (8) and cylinder shell (6) or left cylinder head (9), right cylinder head (3) is rotatably assorted.
3. rotary cylinder compressor as claimed in claim 1 is characterized in that eccentric shaft (1) and rotary cylinder body (4) around rotating center rotation separately, and sense of rotation is identical, and rotating ratio is 2: 1.
4. rotary cylinder compressor as claimed in claim 1 is characterized in that working piston (7) drives slip in rotary cylinder body (4) by the eccentric journal on the eccentric shaft (1), and movable stroke is 4 times of eccentric shaft (1) throw of eccentric.
5. rotary cylinder compressor as claimed in claim 1 is characterized in that on the external cylindrical surface of rotary cylinder body (4) or the both ends of the surface lattice Lay seal ring (13) being set.
6. rotary cylinder compressor as claimed in claim 1 is characterized in that piston hole bearing (5) adopts the duplex bearing nested structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200887621U CN201218174Y (en) | 2008-06-13 | 2008-06-13 | Rotating gas cylinder compressor |
| PCT/CN2009/000359 WO2009149616A1 (en) | 2008-06-13 | 2009-04-02 | A revolving cylinder compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200887621U CN201218174Y (en) | 2008-06-13 | 2008-06-13 | Rotating gas cylinder compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218174Y true CN201218174Y (en) | 2009-04-08 |
Family
ID=40541011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200887621U Expired - Fee Related CN201218174Y (en) | 2008-06-13 | 2008-06-13 | Rotating gas cylinder compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201218174Y (en) |
| WO (1) | WO2009149616A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461320A (en) * | 2017-08-29 | 2017-12-12 | 海斯比得（武汉）石油科技有限公司 | Positive displacement pump and extracting device of oil |
| CN112664428A (en) * | 2020-12-29 | 2021-04-16 | 西安交通大学 | Rotary cylinder piston compressor |
| WO2022087922A1 (en) * | 2020-10-28 | 2022-05-05 | 瑞立集团瑞安汽车零部件有限公司 | Positive-displacement air compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3615885A1 (en) * | 1986-05-09 | 1987-11-19 | Wolfgang Hoppe | Rotary piston compressor |
| CN2042117U (en) * | 1988-06-24 | 1989-08-02 | 邱作儒 | Compressor with radiant rotor |
| CN2142892Y (en) * | 1992-05-26 | 1993-09-29 | 邱作儒 | Inner-cooled radiating-type straight-lobe compressor |
| CN2716539Y (en) * | 2003-06-26 | 2005-08-10 | 邱佰昌 | Liquid injection internal cooling rotor piston compressor |
| CN2660160Y (en) * | 2003-08-09 | 2004-12-01 | 邱佰昌 | Rotor piston type air compressor |
| CN2906140Y (en) * | 2006-04-01 | 2007-05-30 | 邱作儒 | Semi-enclosed rotor piston type refrigeration compressor |
| CN201187446Y (en) * | 2007-10-26 | 2009-01-28 | 邱作儒 | Static pressure balance type rotor piston pump |
-
2008
- 2008-06-13 CN CNU2008200887621U patent/CN201218174Y/en not_active Expired - Fee Related
-
2009
- 2009-04-02 WO PCT/CN2009/000359 patent/WO2009149616A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461320A (en) * | 2017-08-29 | 2017-12-12 | 海斯比得（武汉）石油科技有限公司 | Positive displacement pump and extracting device of oil |
| WO2022087922A1 (en) * | 2020-10-28 | 2022-05-05 | 瑞立集团瑞安汽车零部件有限公司 | Positive-displacement air compressor |
| CN112664428A (en) * | 2020-12-29 | 2021-04-16 | 西安交通大学 | Rotary cylinder piston compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009149616A1 (en) | 2009-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20110613 |