CN101328891B - Dual rotors translation type rotary compressing device - Google Patents
Dual rotors translation type rotary compressing device Download PDFInfo
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- CN101328891B CN101328891B CN2008100631906A CN200810063190A CN101328891B CN 101328891 B CN101328891 B CN 101328891B CN 2008100631906 A CN2008100631906 A CN 2008100631906A CN 200810063190 A CN200810063190 A CN 200810063190A CN 101328891 B CN101328891 B CN 101328891B
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Abstract
The invention relates to the fields of gas compression, fluid conveyance and evacuation, in particular to a birotor translational rotary compressor. The birotor translational rotary compressor comprises a cylinder body, two translational pistons and two eccentric rotors, wherein the cylinder body comprises two round through holes, the joints of the two through holes are communicated with each other, the two translational pistons are respectively arranged on the eccentric rotors, the outer lateral surfaces of the translational pistons are tangential to the inner lateral surfaces of the through holes; the two translational pistons are further provided with a sliding plate groove respectively, the two sliding plate grooves face to the joints respectively, a sliding plate is arranged between the two sliding plate grooves, the two ends of the sliding plate are respectively arranged in the sliding plate grooves in a sliding way, the sliding plate divides two working chambers into an expansion chamber and a compression chamber, and the expansion chamber and the compression chamber are respectively provided with a suction port and an exhaust port. The compressor has the advantages of reducing leakage, obviously improving volumetric efficiency, and obtaining higher output pressure with fewer components and simple process, and having foundation for batch production.
Description
Technical field
The present invention relates in gas compression, FLUID TRANSPORTATION and vacuumize the field, relate in particular to a kind of two-spool 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; Through 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 through 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 gets 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 under rotor driven, do.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 cylinder body inboard needs to reserve the to-and-fro motion space of slide plate, 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 dual rotors translation type rotary compressing device, it has characteristics simple in structure, as to realize High Pressure Difference, high working efficiency.The another one purpose provides the application of above-mentioned dual rotors translation type rotary compressing device.
In order to realize first above-mentioned purpose, the technological scheme below the present invention has adopted:
Dual rotors translation type rotary compressing device, this device comprise cylinder body and two translation pistons, and cylinder body comprises the through hole of two circles, and the connecting part of two through holes is conducted, and form the working room of a figure of eight; In two through holes, be respectively equipped with the eccentric rotor of synchronous rotation; The rotating center of eccentric rotor is concentric with through hole; Two translation pistons are separately positioned on the eccentric rotor; The movable connection between translation piston and the eccentric rotor, the outer side surface of translation piston keep and the inner side surface of through hole tangent, be formed with a selenodont active chamber respectively; On two translation pistons, be respectively equipped with the skateboards slot that radially is provided with; Two skateboards slots are respectively towards the connecting part of through hole; Between two skateboards slots, be provided with slide plate; The two ends of slide plate are slidingly arranged in respectively within two skateboards slots, and slide plate passes the connecting part two active chambers are separated into expansion chamber and compression chamber, on expansion chamber and compression chamber, is respectively equipped with suction port and exhaust port.
The working principle of above-mentioned dual rotors translation type rotary compressing device is following: owing to the constraint of two synchronous eccentric rotors and slide plate, during machine run, the translation piston drives slide plate to-and-fro motion in two skateboards slots simultaneously along the cylinder inner wall translation.In an operation cycle, this compound motion makes expansion chamber constantly become big, realizes air-breathing (liquid); The compression chamber chamber constantly diminishes, and realizes exhaust (liquid).So repeatedly, accomplished suction (liquid) process.
As preferably, connect through sliding bearing or rolling bearing between above-mentioned translation piston and the eccentric rotor.Connect through sliding bearing or rolling bearing, reduced frictional loss between translation piston and the eccentric rotor, improved mechanical efficiency.
As preferably, above-mentioned translation piston comprises inner wall and outer wall, and inner wall is connected with the connecting plate of outer wall through some radial settings, is formed with heat dissipation channel between the connecting plate.Said structure has increased cooling system, has improved radiating effect and compression efficiency.
As preferably, above-mentioned translation piston is provided with the connecting plate of two tool parallel surfaces, and described skateboards slot is formed between two connecting plates.Above-mentioned structure has simple in structure, reliable and stable characteristics.
As preferably, the outer ring of above-mentioned cylinder body is provided with some radiating fins.
In order to realize second above-mentioned purpose, compression set of the present invention can be used as compressor, fluid pump and vacuum pump and uses.
The present invention has following characteristics owing to adopted above technological scheme:
1. make contacting between slide plate and the piston become present face contact, greatly reduced leakage from the traditional wire contact;
2. adopt 8 font housing structures, through two translation pistons of two synchronous eccentric rotors and slide plate constraint, make the motion mode of piston become the low speed translation from high-speed rotation, the speed of related movement of itself and cylinder has reduced an one magnitude;
3. increased the inboard heat dissipation channel of translation piston, 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; Dual-rotor structure makes the vibration of machine can internal balance; Frictional loss reduces makes mechanical efficiency improve; Improve cooling system, improved radiating effect and compression efficiency; Reduce easily damaged partss such as spring and guide rail, improved the reliability of machinery; Part is few, and processing is simple, makes it possess the basis of mass production.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a translation structure of piston schematic representation of the present invention.
Fig. 3 is a fundamental diagram of the present invention.
Embodiment
Do a detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Dual rotors translation type rotary compressing device as shown in Figure 1; This device comprises cylinder body 1 and two translation pistons 2, and cylinder body 1 inside comprises that the connecting part of 10, two through holes 10 of through hole of two circles is conducted; Form the working room of a figure of eight, the outer ring of cylinder body 1 is provided with some radiating fins.In two through holes 10, be respectively equipped with the eccentric rotor 3 of synchronous rotation, the rotating center of eccentric rotor 3 is concentric with through hole 10, and two translation pistons 2 are separately positioned on the eccentric rotor 3, link through rolling bearing 4 between translation piston 2 and the eccentric rotor 3.It is tangent with the inner side surface of through hole 10 that the outer side surface of translation piston 2 then keeps, and is formed with a selenodont active chamber 11,12 respectively; On two translation pistons 2, be respectively equipped with the skateboards slot 6 that radially is provided with; Two skateboards slots 6 are respectively towards the connecting part of two through holes 10; Between two skateboards slots 6, be provided with slide plate 5; The two ends of slide plate 5 are slidingly arranged in respectively within two skateboards slots 6, and slide plate 5 passes the connecting part two active chambers 11,12 are separated into expansion chamber 13 and compression chamber 14, on expansion chamber 13 and compression chamber 14, are respectively equipped with suction port 8 and exhaust port 9.
As shown in Figure 2, translation piston 2 comprises inner wall 16 and outer wall 15, and inner wall 15 is connected with the connecting plate 7 of outer wall 15 through some radial settings, is formed with heat dissipation channel between the connecting plate 7.Translation piston 2 is provided with two connecting plates 7 with parallel surface, and described skateboards slot 6 is formed between two connecting plates 7.
Working principle of the present invention is as shown in Figure 3: the center of circle of getting through hole on the cylinder body 1 is
; The center of circle of the inside translation piston 2 is
; The points of tangency of 1 two circular holes of cylinder body is A; The center of circle of lower through-hole is
; The center of circle of the inside translation piston 2 is
; When machine run; Translation piston 22 in the last through hole is a radius with
, does the clockwise translation around
; Translation piston 22 in the lower through-hole is a radius with
, does the inverse clock translation around
.In this process, slide plate 5 is done to-and-fro motion clocklike in skateboards slot 6.The moving direction of the translation piston 2 above the definition is that (following translation piston 2 moving direction then are inverse clock to clockwise; Both absolute velocities are consistent); Center line
with its center of circle
and slide plate 5 is the starting point of an operation cycle when A overlaps, angle of rotation
.Then
becomes 360 ° from 0 ° in one-period; As
=0 ° the time, active chamber 11,12 is in suction and discharge (liquid) done state of one-period; Increase along with
; The new expansion chamber 13 that forms becomes greatly gradually, begins gas (liquid) body in the external world is sucked; And the expansion chamber 13 of last one-period begins sealing, changes the compression chamber 14 of cost operation cycle, and gas (liquid) body is discharged; During to
=360 °, air-breathing (liquid) process of one-period and the completion of exhaust (liquid) process.So circulate, realized suction and discharge (liquid) process of dual rotors translation rotary compressor tool.
Claims (8)
1. dual rotors translation type rotary compressing device; It is characterized in that: this device comprises cylinder body (1) and two translation pistons (2); Cylinder body (1) comprises the through hole (10) of two circles, and the connecting part of two through holes (10) is conducted, and forms the working room of a figure of eight; In two through holes (10), be respectively equipped with the eccentric rotor (3) of synchronous rotation; The rotating center of eccentric rotor (3) is concentric with through hole (10); Two translation pistons (2) are separately positioned on the eccentric rotor (3); The movable connection between translation piston (2) and the eccentric rotor (3), the outer side surface of translation piston (2) keep and the inner side surface of through hole (10) tangent, be formed with a selenodont active chamber (11,12) respectively; On two translation pistons (2), be respectively equipped with the skateboards slot (6) that radially is provided with; Two skateboards slots (6) are respectively towards the connecting part of through hole (10); Between two skateboards slots (6), be provided with slide plate (5); The two ends of slide plate (5) are slidingly arranged in respectively within two skateboards slots (6); Slide plate (5) passes the connecting part two active chambers is separated into expansion chamber (13) and compression chamber (14), on expansion chamber (13) and compression chamber (14), is respectively equipped with suction port (8) and exhaust port (9).
2. dual rotors translation type rotary compressing device according to claim 1 is characterized in that: connect through sliding bearing or rolling bearing (4) between translation piston (2) and the eccentric rotor (3).
3. dual rotors translation type rotary compressing device according to claim 1; It is characterized in that: translation piston (2) comprises inner wall (16) and outer wall (15); Inner wall (16) is connected with the connecting plate (7) of outer wall (15) through some radial settings, and connecting plate is formed with heat dissipation channel between (7).
4. dual rotors translation type rotary compressing device according to claim 3 is characterized in that: translation piston (2) is provided with the connecting plate (7) of two tool parallel surfaces, and described skateboards slot (6) is formed between two connecting plates (7).
5. dual rotors translation type rotary compressing device according to claim 1 is characterized in that: the outer ring of cylinder body (1) is provided with some radiating fins.
6. according to any described dual rotors translation type rotary compressing device of claim of claim 1～5, it is characterized in that: described dual rotors translation type rotary compressing device is a compressor.
7. according to any described dual rotors translation type rotary compressing device of claim of claim 1～5, it is characterized in that: described dual rotors translation type rotary compressing device is a fluid pump.
8. according to any described dual rotors translation type rotary compressing device of claim of claim 1～5, it is characterized in that: described dual rotors translation type rotary compressing device is a vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100631906A CN101328891B (en) | 2008-07-22 | 2008-07-22 | Dual rotors translation type rotary compressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100631906A CN101328891B (en) | 2008-07-22 | 2008-07-22 | Dual rotors translation type rotary compressing device |
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| Publication Number | Publication Date |
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| CN101328891A CN101328891A (en) | 2008-12-24 |
| CN101328891B true CN101328891B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100631906A Active CN101328891B (en) | 2008-07-22 | 2008-07-22 | Dual rotors translation type rotary compressing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886631B (en) * | 2010-08-23 | 2012-11-14 | 浙江鸿友压缩机制造有限公司 | Parallel move rotor type capacity-varied device |
| CN103925218A (en) * | 2013-01-16 | 2014-07-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Cylinder body of double-cylinder compressor and double-cylinder compressor possessing cylinder body |
| CN107498069B (en) * | 2016-06-14 | 2018-12-14 | 沈阳鼓风机集团申蓝机械有限公司 | Pump housing engaging portion off-centre operation processing technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| CN1117755A (en) * | 1993-12-08 | 1996-02-28 | 大金工业株式会社 | Swinging rotary compressor |
| CN1247271A (en) * | 1998-09-10 | 2000-03-15 | 陈骏 | Power machine with rolling rotor |
-
2008
- 2008-07-22 CN CN2008100631906A patent/CN101328891B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| CN1117755A (en) * | 1993-12-08 | 1996-02-28 | 大金工业株式会社 | Swinging rotary compressor |
| CN1247271A (en) * | 1998-09-10 | 2000-03-15 | 陈骏 | Power machine with rolling rotor |
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|---|---|
| CN101328891A (en) | 2008-12-24 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| 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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| CP01 | Change in the name or title of a patent holder |
Address after: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee after: Compressor Xinlei Limited by Share Ltd Address before: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee before: Wenling Xinlei Air Compressor Co., Ltd. |