CN101387295A - Double cylinder translation rotating compressing device - Google Patents
Double cylinder translation rotating compressing device Download PDFInfo
- Publication number
- CN101387295A CN101387295A CNA2008100631893A CN200810063189A CN101387295A CN 101387295 A CN101387295 A CN 101387295A CN A2008100631893 A CNA2008100631893 A CN A2008100631893A CN 200810063189 A CN200810063189 A CN 200810063189A CN 101387295 A CN101387295 A CN 101387295A
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- chamber
- translation
- pistons
- compressing device
- bent axle
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- 238000013519 translation Methods 0.000 title claims description 59
- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000006071 cream Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to the field of gas compression, fluid transportation and vacuum-pumping, in particular to a double-cylinder translational rotary compressor. The double-cylinder translational rotary compressor comprises a cylinder body, a crankshaft and two translational pistons, wherein an inner chamber of the cylinder body is divided into a left chamber and a right chamber the middle parts of which are communicated with each other; the crankshaft is provided with two eccentric structures which run through the left chamber and the right chamber; the two translational pistons are movably connected with the two eccentric structures of the crankshaft respectively; outer side faces of the two translational pistons are tangent with inner side faces of the left chamber and the right chamber respectively, so as to form a left crescent-shaped working chamber and a right crescent-shaped working chamber; sliding plates are hinged to insides of the left chamber and the right chamber respectively; sliding plate grooves are arranged on the two translational pistons respectively; two sliding plates are extended into the sliding plate grooves respectively, and divide the left working chamber and the right working chamber into an expansion chamber and a compression chamber respectively; and feed openings and discharge openings are arranged on the expansion chamber and the compression chamber respectively. The double-cylinder translational rotary compressor has the advantages of obviously improving the volumetric efficiency, improving the mechanical reliability and the mechanical efficiency, and reducing the friction loss.
Description
Technical field
The present invention relates in gas compression, FLUID TRANSPORTATION and vacuumize the field, relate in particular to a kind of double cylinder translation rotating compressing device.
Background technique
Gas compressor, fluid pump and vacuum pump are important universal compressed machinery.At present, rolling piston compressor tool and rotor compression machinery all have a selenodont active chamber as the representative of second generation compressed machinery; By slide plate selenodont active chamber is isolated into expansion chamber and compression chamber; Revolution part (rotor or translation piston) makes the volume-variation of expansion chamber and compression chamber, realizes air-breathing (liquid) and the exhaust (liquid) of compressed machinery.But all there is a problem in these two kinds of compressed machinerys, and promptly slide plate stretches in the active chamber and isolates expansion chamber and compression chamber by contacting with cylinder body or rotor (piston), and this contact is the line contact, and surface of contact has very high relative velocity simultaneously; These two factors have determined that the type compressed machinery can not bear very big pressure reduction, and friction wear is serious; Can cause slide plate and cylinder body or rotor (piston) surface isolation when serious, make seal failure.
Daikin Ind Ltd proposes a kind of swing compressor tool (number of patent application 94191130.6) the nineties in last century, and piston and slide plate are integral, and slide plate passes active chamber and enters in the cylinder body of being with guide rail, and active chamber is divided into expansion chamber and compression chamber.Guide rail can shake along cylinder body, and slide plate can move reciprocatingly in guide rail, shakes compression thereby make piston do under rotor driven.This structure decrease wearing and tearing and leak, obtained some utilizations in the refrigerant compression industry.But its piston and slide plate are one, are difficult to processing; The inboard to-and-fro motion space that needs to reserve slide plate of cylinder body makes cylinder body bulky, easy deformation; Because structural limitations, machine produces during work the heat of compression and frictional heat can't be discharged fast, and heat dispersion is poor.
Summary of the invention
In order to solve the above-mentioned technical problem that compressed machinery ran into, an object of the present invention is to provide a kind of double cylinder translation rotating compressing device, it has characteristics simple in structure, as to realize High Pressure Difference, high working efficiency.
In order to realize first above-mentioned purpose, the present invention has adopted following technological scheme:
Double cylinder translation rotating compressing device, this device comprise cylinder body, bent axle and two translation pistons, and inner chamber of cylinder block is provided with isolating plate, and isolating plate is separated into left chamber and right chamber with inner chamber of cylinder block, and left chamber and right chamber middle part are connected; Described bent axle has two eccentric structures, and bent axle runs through and is arranged in left chamber and the right chamber; Two translation pistons are separately positioned in left chamber and the right chamber, and connect with two eccentric structures of bent axle are movable respectively, the rotating center of two eccentric structures is concentric with left chamber and right chamber respectively, the outer side surface of two translation pistons maintenance and left chamber and right chamber inner side surface respectively is tangent, is formed with selenodont left active chamber and right active chamber; The hinged respectively slide plate that is provided with in described left chamber and the right chamber, the footpath of two translation pistons upwards is respectively equipped with skateboards slot, and two slide plates pass two active chambers respectively and extend in the skateboards slot, and slide plate and skateboards slot are slidingly connected; Two slide plates are separated into expansion chamber and compression chamber with left active chamber and right active chamber respectively, are respectively equipped with suction port and exhaust port on expansion chamber and the compression chamber.
Working principle of the present invention is as follows: when crank-driven translation piston moves along clockwise direction, because the constraint of slide plate, two translation pistons are that approximate translation is done at the center with the center of circle of left chamber and right chamber, the volume of expansion chamber becomes big gradually in the movement process, gas (liquid) body in the external world is sucked, the volume of compression chamber diminishes gradually, gas (liquid) body is got rid of, thereby realized air-breathing (liquid) and exhaust (liquid).
As preferably, above-mentioned bent axle is contained in the eccentric part down of being in the left chamber, is contained in the last eccentric part that is in the right chamber, and following eccentric part misplaces 180 ° with last eccentric part; 180 ° of the phase differences mutually of the tangent point of contact of the outer side surface of two translation pistons and left chamber and right chamber inner side surface.Above-mentioned structure makes left chamber and right chamber work phase difference half period.
As preferably, two above-mentioned translation pistons connect by sliding bearing or rolling bearing with two eccentric structures of bent axle.Connect by sliding bearing or rolling bearing, reduced frictional loss between translation piston and the bent axle, improved mechanical efficiency.
As preferably, above-mentioned left chamber and right chamber inner wall are respectively equipped with Baltimore groove, and the termination of described two slide plates is provided with the cylindricality plush copper, and the activity of cylindricality plush copper is contained in the hinging structure that forms slide plate and left chamber and right chamber inner wall in the Baltimore groove.Above-mentioned structure has simple in structure, reliable and stable characteristics.
As preferably, two above-mentioned translation pistons comprise inner wall and outer wall respectively, and inner wall is connected with the connecting plate of outer wall by some radial settings, is formed with heat dissipation channel between the connecting plate, and the heat dissipation channel of two translation pistons is conducted.Said structure has increased cooling system, has improved radiating effect and compression efficiency.
As preferably, two above-mentioned translation pistons are established the connecting plate that has two to have parallel surface respectively, and described skateboards slot is formed between two connecting plates.Above-mentioned structure has simple in structure, reliable and stable characteristics.
As preferably, the two ends of above-mentioned cylinder body are respectively equipped with the bearing support closed cylinder, and the two ends of described bent axle are arranged on the bearing support, and the left end of bent axle is provided with fan.Above-mentioned inside configuration design has fan, has formed an internal circulation system, and the heat of this machinery inside can effectively be discharged.
As preferably, the bottom of above-mentioned cylinder body is provided with shoe cream room, and shoe cream room and heat dissipation channel are conducted.Fan is high speed rotating under the driving of bent axle, and the centrifugal force of generation makes the oil gas in the shoe cream room circulate by counterclockwise, apace the heat of translation internal piston is taken out of, realizes inner cooling.
As preferably, the outer ring of above-mentioned cylinder body and the outer wall of bearing support are respectively equipped with some radiating fins.
As preferably, described double cylinder translation rotating compressing device is a kind of in compressor, fluid pump, the vacuum pump.
The present invention has following characteristics owing to adopted above technological scheme:
1. make contacting between slide plate and the cylinder body (translation piston) become present face contact, greatly reduced leakage from the traditional wire contact;
2. by slide plate constraint translation piston, make its motion mode become the low speed translation from high speed rotating, the speed of related movement of itself and cylinder body has reduced an order of magnitude;
3. increased the heat dissipation channel of translation piston inboard, fast cooling piston;
4. cancelled being used for the spring of pretension slide plate, reduced easily damaged parts.
Effect of the present invention is: this compressed machinery is compared with the swing compressor tool with rolling piston compressor tool of the same type, leaks to reduce, and volumetric efficiency significantly improves, and can obtain higher delivery pressure; Reduce frictional loss, improved mechanical efficiency; Improve cooling system, improved radiating effect and compression efficiency; Reduce easily damaged partss such as spring and guide rail, improved the reliability of machinery; Adopted the special-shaped slide plate of powder metallurgy, simplified processing technology, made it possess the basis of mass production.
Description of drawings
Fig. 1 is a blast structural representation of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the structural representation of single cylinder of the present invention.
Fig. 5 is a translation structure of piston schematic representation of the present invention.
Fig. 6 is the fundamental diagram of single cylinder of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Double cylinder translation rotating compressing device as shown in Figure 1 and Figure 2, this device comprises cylinder body 1, bent axle 2 and two translation pistons 3, cylinder body 1 inner chamber is provided with isolating plate 11, and isolating plate 11 is separated into left chamber 12 and right chamber 13 with cylinder body 1 inner chamber, and left chamber 12 and right chamber 13 middle parts are connected.As shown in Figure 2, bent axle 2 has two eccentric structures, and bent axle 2 runs through and is arranged in left chamber 12 and the right chamber 13; Bent axle 2 is contained in the eccentric part 21 down of being in the left chamber 12, is contained in the last eccentric part 22 in the right chamber 13, and following eccentric part 21 misplaces 180 ° with last eccentric part 22.
As Fig. 2, Fig. 3, shown in Figure 4, two translation pistons 3 are separately positioned in left chamber 12 and the right chamber 13, and connect by rolling bearing 9 activities with last eccentric part 22 with the following eccentric part 21 of bent axle 2 respectively, following eccentric part 21 is concentric with left chamber 12 and right chamber 13 respectively with the rotating center of last eccentric part 22, it is tangent with left chamber 12 and right chamber 13 inner side surfaces that the outer side surface of two translation pistons 3 keeps respectively, 180 ° of the phase differences mutually of the tangent point of contact of the outer side surface of two translation pistons 3 and left chamber 12 and right chamber 13 inner side surfaces are formed with selenodont left active chamber 7 and right active chamber 8.
As Fig. 1, Fig. 3, shown in Figure 4, the hinged respectively slide plate 4 that is provided with in left chamber 12 and the right chamber 13, the footpath of two translation pistons 3 is respectively equipped with upwards that 35, two slide plates 4 of skateboards slot pass left active chamber 7 respectively and right active chamber 8 extend in the skateboards slot 35, and slide plate 4 is slidingly connected with skateboards slot 35; Two slide plates 4 are separated into expansion chamber 71 and compression chamber 72 with left active chamber 7 and right active chamber 8 respectively, are respectively equipped with suction port 15 and exhaust port 16 on expansion chamber 71 and the compression chamber 72.
As shown in Figure 3, Figure 4, left chamber 12 and right chamber 13 inwalls are respectively equipped with Baltimore groove 17, the termination of described two slide plates 4 is provided with cylindricality plush copper 41, and 41 activities of cylindricality plush copper are contained in the hinging structure that forms slide plate 4 and left chamber 12 and right chamber 13 inwalls in the Baltimore groove 17.
As shown in Figure 5, two translation pistons 3 comprise inner wall 31 and outer wall 32 respectively, inner wall 31 is connected with the connecting plate 33 of outer wall 32 by some radial settings, and the heat dissipation channel 34 that is formed with 34, two translation pistons 3 of heat dissipation channel between the connecting plate 33 is conducted.In addition, two translation pistons 3 are established the connecting plate 33 that has two to have parallel surface respectively, and described skateboards slot 35 is formed between two connecting plates 33.
As shown in Figure 1 and Figure 2, the two ends of cylinder body 1 are respectively equipped with bearing support 5 closed cylinders 1, and the two ends of described bent axle 2 are arranged on the bearing support 5, and the left end of bent axle 2 is provided with fan 6.The bottom of cylinder body 1 is provided with shoe cream room 14, and shoe cream room 14 is conducted with heat dissipation channel 34.And be respectively equipped with some radiating fins 10 in the outer ring of cylinder body 1 and the outer wall of bearing support 5.Fan 6 is high speed rotating under the driving of bent axle 2, and the centrifugal force of generation makes the oil gas in the shoe cream room 14 circulate by counterclockwise, apace the heat of translation piston 3 inside is taken out of, realizes inner cooling.
As shown in Figure 5, when two translation pistons 3 of bent axle 2 drivings move along clockwise direction, because the constraint of slide plate 4, two translation pistons 3 are that approximate translation is done at the center with the center of circle of left chamber 12 and right chamber 13, the volume of expansion chamber 71 becomes greatly gradually in the movement process, and with gas (liquid) the body suction in the external world, the volume of compression chamber 72 diminishes gradually, gas (liquid) body is got rid of, thereby realized air-breathing (liquid) and exhaust (liquid).
Above-mentioned left chamber 12 is consistent with right chamber 13 working procedure, the phase difference half period of left chamber 12 and right chamber 13.Be communicated with environment under low pressure together as suction port 15 left chamber 12 and right chamber 13, the exhaust port 16 of left chamber 12 and right chamber 13 is communicated with high pressure is extraneous, then can in an operation cycle, finish twice expansion and compression process simultaneously during this machine operation, 180 ° of phase phase differences, exportable more all even stable fluids.If the suction port 15 of left chamber 12 is communicated with environment under low pressure, the exhaust port 16 of left chamber 12 is communicated with the suction port 15 of right chamber 13, the exhaust port 16 of right chamber 13 is communicated with the high pressure external world, then can realize the twin-stage compression to same fluid during this machine operation, can obtain higher pressure reduction.
Claims (10)
1. double cylinder translation rotating compressing device, it is characterized in that: this device comprises cylinder body (1), bent axle (2) and two translation pistons (3), cylinder body (1) inner chamber is provided with isolating plate (11), isolating plate (11) is separated into left chamber (12) and right chamber (13) with cylinder body (1) inner chamber, and left chamber (12) and right chamber (13) middle part are connected; Described bent axle (2) has two eccentric structures, and bent axle (2) runs through and is arranged in left chamber (12) and the right chamber (13); Two translation pistons (3) are separately positioned in left chamber (12) and the right chamber (13), and connect with two eccentric structures of bent axle (2) are movable respectively, the rotating center of two eccentric structures is concentric with left chamber (12) and right chamber (13) respectively, it is tangent with left chamber (12) and right chamber (13) inner side surface that the outer side surface of two translation pistons (3) keeps respectively, is formed with selenodont left active chamber (7) and right active chamber (8); The hinged respectively slide plate (4) that is provided with in described left chamber (12) and the right chamber (13), the footpath of two translation pistons (3) upwards is respectively equipped with skateboards slot (35), two slide plates (4) pass left active chamber (7) respectively and right active chamber (8) extend in the skateboards slot (35), and slide plate (4) is slidingly connected with skateboards slot (35); Two slide plates (4) are separated into expansion chamber (71) and compression chamber (72) with left active chamber (7) and right active chamber (8) respectively, are respectively equipped with suction port (15) and exhaust port (16) on expansion chamber (71) and the compression chamber (72).
2. double cylinder translation rotating compressing device according to claim 1, it is characterized in that: bent axle (2) is contained in the following eccentric part (21) that is in the left chamber (12), be contained in and be last eccentric part (22), following eccentric part (21) and 180 ° of last eccentric part (22) dislocation in the right chamber (13); 180 ° of the phase differences mutually of the tangent point of contact of the outer side surface of two translation pistons (3) and left chamber (12) and right chamber (13) inner side surface.
3. double cylinder translation rotating compressing device according to claim 1 is characterized in that: two translation pistons (3) connect by sliding bearing or rolling bearing (9) with two eccentric structures of bent axle (2).
4. double cylinder translation rotating compressing device according to claim 1, it is characterized in that: left chamber (12) and right chamber (13) inwall are respectively equipped with Baltimore groove (17), the termination of described two slide plates (4) is provided with cylindricality plush copper (41), and cylindricality plush copper (41) activity is contained in the hinging structure that forms slide plate (4) and left chamber (12) and right chamber (13) inwall in the Baltimore groove (17).
5. double cylinder translation rotating compressing device according to claim 1, it is characterized in that: two translation pistons (3) comprise inner wall (31) and outer wall (32) respectively, inner wall (31) is connected with the connecting plate (33) of outer wall (32) by some radial settings, be formed with heat dissipation channel (34) between the connecting plate (33), the heat dissipation channel (34) of two translation pistons (3) is conducted.
6. double cylinder translation rotating compressing device according to claim 5 is characterized in that: two translation pistons (3) are established the connecting plate (33) that has two to have parallel surface respectively, and described skateboards slot (35) is formed between two connecting plates (33).
7. double cylinder translation rotating compressing device according to claim 5, it is characterized in that: the two ends of cylinder body (1) are respectively equipped with bearing support (5) closed cylinder (1), the two ends of described bent axle (2) are arranged on the bearing support (5), and the left end of bent axle (2) is provided with fan (6).
8. double cylinder translation rotating compressing device according to claim 7 is characterized in that: the bottom of cylinder body (1) is provided with shoe cream room (14), and shoe cream room (14) is conducted with heat dissipation channel (34).
9. according to claim 7 or 8 described double cylinder translation rotating compressing devices, it is characterized in that: the outer wall of the outer ring of cylinder body (1) and bearing support (5) is respectively equipped with some radiating fins (10).
10. according to any described double cylinder translation rotating compressing device of claim of claim 1～8, it is characterized in that: described double cylinder translation rotating compressing device is a kind of in compressor, fluid pump, the vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100631893A CN101387295A (en) | 2008-07-22 | 2008-07-22 | Double cylinder translation rotating compressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100631893A CN101387295A (en) | 2008-07-22 | 2008-07-22 | Double cylinder translation rotating compressing device |
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| Publication Number | Publication Date |
|---|---|
| CN101387295A true CN101387295A (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100631893A Pending CN101387295A (en) | 2008-07-22 | 2008-07-22 | Double cylinder translation rotating compressing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010009603A1 (en) * | 2008-07-22 | 2010-01-28 | 温岭市鑫磊空压机有限公司 | A translatory rotary compression device |
| CN103195712A (en) * | 2012-01-09 | 2013-07-10 | 浙江振圣机电科技有限公司 | Integral type sliding-vane rotary vacuum pump |
| CN106014989A (en) * | 2016-07-03 | 2016-10-12 | 南通广兴气动设备有限公司 | Spinning vacuum pump |
| CN106015003A (en) * | 2016-07-03 | 2016-10-12 | 南通广兴气动设备有限公司 | Spinning high pressure air pump |
| CN109944795A (en) * | 2017-12-21 | 2019-06-28 | 王德忠 | The cavity volume circulation increase and decrease device that bent shaft-driven multistage blade separates |
| CN112551473A (en) * | 2020-12-28 | 2021-03-26 | 牡丹江师范学院 | Oil discharge scavenging bin pumping device |
| CN113518862A (en) * | 2019-03-12 | 2021-10-19 | 赵钟斗 | Fluid compressor |
| DE102020117343A1 (en) | 2020-07-01 | 2022-01-05 | Weinmann Emergency Medical Technology Gmbh + Co. Kg | Pump device, device for ventilation and method for providing a breathing gas |
-
2008
- 2008-07-22 CN CNA2008100631893A patent/CN101387295A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010009603A1 (en) * | 2008-07-22 | 2010-01-28 | 温岭市鑫磊空压机有限公司 | A translatory rotary compression device |
| CN103195712A (en) * | 2012-01-09 | 2013-07-10 | 浙江振圣机电科技有限公司 | Integral type sliding-vane rotary vacuum pump |
| CN106014989A (en) * | 2016-07-03 | 2016-10-12 | 南通广兴气动设备有限公司 | Spinning vacuum pump |
| CN106015003A (en) * | 2016-07-03 | 2016-10-12 | 南通广兴气动设备有限公司 | Spinning high pressure air pump |
| CN109944795A (en) * | 2017-12-21 | 2019-06-28 | 王德忠 | The cavity volume circulation increase and decrease device that bent shaft-driven multistage blade separates |
| CN113518862A (en) * | 2019-03-12 | 2021-10-19 | 赵钟斗 | Fluid compressor |
| DE102020117343A1 (en) | 2020-07-01 | 2022-01-05 | Weinmann Emergency Medical Technology Gmbh + Co. Kg | Pump device, device for ventilation and method for providing a breathing gas |
| CN112551473A (en) * | 2020-12-28 | 2021-03-26 | 牡丹江师范学院 | Oil discharge scavenging bin pumping device |
| CN112551473B (en) * | 2020-12-28 | 2023-05-09 | 牡丹江师范学院 | Unloading oil sweeping and pumping device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090116 Address after: Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Applicant after: Wenling Xinlei Air Compressor Co., Ltd. Address before: Wenling City, Zhejiang Province town industrial zone Zeguo Danya Applicant before: Zhejiang Xinlei Electromechanical Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: WENLING CITY XINLEI AIR COMPRESSOR CO., LTD. Free format text: FORMER OWNER: ZHEJIANG PROVINCE XINLEI ELECTRICAL CO., LTD. Effective date: 20090116 |
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Application publication date: 20090318 |