CN101446288A - Translational piston rotary compressor - Google Patents
Translational piston rotary compressor Download PDFInfo
- Publication number
- CN101446288A CN101446288A CNA2008102187888A CN200810218788A CN101446288A CN 101446288 A CN101446288 A CN 101446288A CN A2008102187888 A CNA2008102187888 A CN A2008102187888A CN 200810218788 A CN200810218788 A CN 200810218788A CN 101446288 A CN101446288 A CN 101446288A
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- Prior art keywords
- piston
- rotor
- cylinder
- translational
- blade
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/356—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
- F01C17/063—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with only rolling movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a translational piston rotary compressor which comprises a rotor (1), a cylinder (2), a translational piston (3), a blade (4) and an end cover. The rotor (1) is provided with a cylindrical outer surface. The cylinder (2) is provided with a circular hole-shaped inner hole surface. The translational piston (3) is circular ring shape. The rotor (1) is offset in the cylinder (2). The translational piston (3) and the rotor (1) are arranged in the same axis. The outer surface of the translational piston (3) is matched with the inner hole surface of the cylinder (2) in a tangent way. A sliding plane (7) is cut on the translational piston (3). An inner end of the blade (4) is made into plane shape and is matched with the sliding plane (7) in a sliding contact way. The blade (4) is matched with a chute (6) on the cylinder (2) in a sliding way. The translational piston (3) rotates in a translational way under the restriction of the blade (4), the chute (6) and the sliding plane (7). Therefore, the numerical value of the rotation radium is small. And corresponding to the cylinder (2) and the end cover, the rotation speed of the translational piston (3) is slow. Friction and abrasion are reduced. In addition, the surface contact structure is adopted by the blade (4) and the translational piston (3). Therefore, the sealing performance between the blade and the translation piston is good.
Description
Technical field
The present invention relates to a kind of compressor, relate in particular to a kind of rotary compressor, more specifically to a kind of translational piston rotary compressor.
Background technique
In various compressors, there is a kind of rolling piston compressor very characteristic, this compressor has a rotor, a cylinder, a rolling piston, a blade and two end caps; Described rotor has a cylindrical outer surface, and described cylinder has a circle hole shape inner hole surface, and described rolling piston is circular, and described blade is flat; Described rotor is biased in the cylinder, the parallel axes setting of the axis of rotor and cylinder, and the distance of two axial lines promptly is so-called throw of eccentric, the axis of rotor is around the rotational of cylinder; Described rolling piston is sleeved on the outer surface of rotor and is rotatably assorted the inner hole surface rolling contact matching of the outer surface of rolling piston and cylinder with it; Described cylinder offers a chute parallel with cylinder-bore axis, and blade is fitted in this chute and is slidingly matched with it, is mounted with spring in the outer end of blade, is close to the outer surface of rolling piston to form the sealing Line of contact in the inner of the effect lower blade of spring; Obviously, when rotor ring when cylinder-bore axis rotates, rotate the on the one hand rotational of son of suit rolling piston is thereon rolled along the inner hole surface of cylinder on the other hand, rolling piston compressor is promptly gained the name thus;
As everyone knows, the advantage of rolling piston compressor is simple and reliable for structure, therefore be suitable as very much air condition compressor, refrigeration compressor and the air compressor of little discharge capacity, but, rolling piston compressor also has obvious defects: at first, adopt line to contact between blade and the rolling piston, its sealing effect is not too reliable; Secondly, the turning radius of rolling piston is bigger, has bigger speed of related movement between it and the end cap, and the result has increased the friction and wear of compressor.
Summary of the invention
The present invention is directed to the problems referred to above that existing rolling piston compressor exists, a kind of translational piston rotary compressor is provided, purpose is effectively to reduce on the one hand the friction and wear between piston and end cap, piston and the cylinder, improves the sealing between blade and the piston simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of translational piston rotary compressor is provided, and this compressor comprises a rotor, a cylinder, a translation piston, a blade and two end caps; Described rotor has a cylindrical outer surface, and described cylinder has a circle hole shape inner hole surface; Rotor is biased in the cylinder, the parallel axes setting of the axis of rotor and cylinder, and the distance of two axial lines promptly is so-called throw of eccentric, rotor rotates around the axis of cylinder; It is characterized in that the translation piston is circular, its inner ring directly or be sleeved on the outer surface of rotor by bearing indirectly and be rotatably assorted with it, the outer surface of translation piston and the tangent contact matching of the inner hole surface of cylinder, it is long-pending to form slip surface to excise a block at the outer surface of translation piston with a plane parallel with the translation piston axis; On described cylinder, offer the chute parallel with cylinder-bore axis, described blade is fitted in this chute and is slidingly matched with it, the inner of blade is made plane and is cooperated with the slip surface sliding contact of above-mentioned translation piston, and the motion of translation piston is translation rotation under the constraint of slide plate.
The present invention adopts piston to do the organization plan of translation rotation, as a result on the translation piston arbitrarily the radius of gyration of any be the throw of eccentric of rotor with respect to cylinder, because this numeric ratio is less, so the translation piston is less with respect to the movement velocity of cylinder and end cap, helps reducing friction and wearing and tearing; In addition, blade and translation piston adopt surface contact structure, so the sealing between them is better.
Description of drawings
Fig. 1 is an embodiment's of a kind of translational piston rotary compressor of the present invention cross-sectional figure;
Fig. 2 is the working state figure of a kind of translational piston rotary compressor shown in Figure 1.
Embodiment
Fig. 1 and Fig. 2 show an embodiment's of a kind of translational piston rotary compressor of the present invention schematic cross section and working state figure.In this embodiment, described compressor comprises a rotor 1, cylinder 2, translation piston 3, blade 4 and two end cap (not shown)s; Described rotor 1 has a cylindrical outer surface, and described cylinder 2 has a circle hole shape inner hole surface, and the outer end of described blade 4 is flat; Rotor 1 is biased in the cylinder 2, rotor axis O1 and cylinder-bore axis O2 be arranged in parallel, the distance of two axial lines is the throw of eccentric of rotor 1 with respect to cylinder 2, described translation piston 3 is circular, its inner ring is sleeved on the outer surface of rotor 1 by bearing 5, that is translation piston 3 and rotor 1 coaxial setting, bearing 5 can be that rolling bearing can be a sliding bearing also, need to prove that the inner ring of translation piston 3 can directly be sleeved on the outer surface of rotor 1; Offer the chute 6 of a flat groove shape parallel with cylinder-bore axis O2 on described cylinder 2, described blade 4 is fitted in this chute 6 and is slidingly matched with it; The outer surface of translation piston 3 is a cylindrical outer surface, and it cooperates (allow and have movement clearance or oil clearance) with the inner hole surface of cylinder 2 is tangent; On translation piston 3, with a plane cut-out outer surface parallel with rotor axis O1, obtain a slip surface 7 thus, the inner of described blade 4 is made plane and is cooperated with these slip surface 7 sliding contacts, and form a motive sealing face, it is to be noted, for more the contact to obtain more reliable sealing effect being arranged with translation piston 3, blade 4 can be made L shaped shape, that is the inner of blade 4 have one with the sliding slide plates 8 (as shown in the figure) of joining of slip surface 7, slip surface 7 can be vertical with chute 6 also can out of plumb; Rotor 1 can also can be driven by shaft coupling or belt or gear etc. by motor indirectly by motor direct-drive; Be not difficult to find from the compressor operating phase diagram that Fig. 2 provides, when rotor 1 rotates around cylinder-bore axis O2, at blade 4, under the common constraint of chute 6 and slip surface 7, translation piston 3 can only be done translation rotation, this moment is by the outer surface of translation piston 3, the inner hole surface of cylinder 2 and both sides end cap have surrounded the crescent-shaped space of an enclosed shape, it is air aspiration cavity 9 and compression chamber 10 that blade 4 divides the space into two active chambers, rotation along with rotor 1, the volume of air aspiration cavity 9 increases gradually, the volume of compression chamber 10 then reduces gradually, obviously, separately at end cap or separately at cylinder 2 or simultaneously intakeport is set on end cap and cylinder 2 and communicates with air aspiration cavity 9, relief opening is set to communicate with compression chamber 10, can constitute compressor, the intakeport 11 of present embodiment is located on the cylinder 2, relief opening 12 is located on the end cap;
In the present embodiment, translation piston 3 adopts the organization plan of translation rotation, as a result on the translation piston 3 arbitrarily the radius of gyration of any be the throw of eccentric of rotor 1 with respect to cylinder 2, because this numeric ratio is less, so translation piston 3 is less with respect to the movement velocity of end cap with respect to cylinder 2, translation piston 3, the result helps reducing friction and wearing and tearing; In addition, face contact seal is adopted in the sealing between blade 4 and the translation piston 3, so sealing is comparatively reliable.
At last; it must be noted that; the structure of translational piston rotary compressor of the present invention and working principle can be transplanted on various fluid pumps and the fluid motor; as oil hydraulic pump, flow pump, sewage pump, vacuum pump and oil hydraulic motor or the like, all in said apparatus, adopt the technology of the present invention all should belong to category of the present invention and protection domain.
Claims (8)
1, a kind of translational piston rotary compressor comprises rotor [1], cylinder [2], translation piston [3], blade [4] and end cap; Rotor [1] has a cylindrical outer surface, and cylinder [2] has a circle hole shape inner hole surface, and translation piston [3] is circular; Rotor [1] is biased in the cylinder [2], translation piston [3] and the coaxial setting of rotor [1], the tangent cooperation of inner hole surface of the outer surface of translation piston [3] and cylinder [2]; The outer surface that it is characterized in that translation piston [3] cuts out a slip surface [7], the inner of described blade [4] is made plane and is cooperated with above-mentioned slip surface [7] sliding contact, offer chute [6] on cylinder [2], blade [4] is fitted in this chute [6] and is slidingly matched with it; Translation piston [3] is done translation rotation under the constraint of blade [4], chute [6] and slip surface [7].
2, a kind of translational piston rotary compressor according to claim 1 is characterized in that the inner of blade [4] is provided with slide plate [8].
3, a kind of translational piston rotary compressor according to claim 1 and 2 is characterized in that slip surface [7] and the vertical setting of chute [6].
4,, it is characterized in that rotor [1] drives rotor [1] by bearing [5] according to each described a kind of translational piston rotary compressor in the claim 1 to 3.
5, a kind of translational piston rotary compressor according to claim 4 is characterized in that bearing [5] is rolling bearing or sliding bearing.
6,, it is characterized in that rotor [1] is by motor direct-drive according to each described a kind of translational piston rotary compressor in the claim 1 to 5.
7,, it is characterized in that rotor [1] is driven by shaft coupling or belt or gear etc. indirectly by motor according to each described a kind of translational piston rotary compressor in the claim 1 to 5.
8,, it is characterized in that described translational piston rotary compressor is as fluid pump or fluid motor according to each described a kind of translational piston rotary compressor in the claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102187888A CN101446288A (en) | 2008-10-31 | 2008-10-31 | Translational piston rotary compressor |
| PCT/CN2009/074703 WO2010048894A1 (en) | 2008-10-31 | 2009-10-29 | Translational rotor rotating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102187888A CN101446288A (en) | 2008-10-31 | 2008-10-31 | Translational piston rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101446288A true CN101446288A (en) | 2009-06-03 |
Family
ID=40742107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102187888A Pending CN101446288A (en) | 2008-10-31 | 2008-10-31 | Translational piston rotary compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101446288A (en) |
| WO (1) | WO2010048894A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010048894A1 (en) * | 2008-10-31 | 2010-05-06 | 浙江鸿友压缩机制造有限公司 | Translational rotor rotating compressor |
| CN101865134A (en) * | 2010-06-25 | 2010-10-20 | 陆春晖 | Translation penetrating blade type air-conditioner compressor |
| CN101886631A (en) * | 2010-08-23 | 2010-11-17 | 浙江鸿友压缩机制造有限公司 | Parallel move rotor type capacity-varied device |
| CN103410732A (en) * | 2013-08-22 | 2013-11-27 | 浙江百达精工股份有限公司 | Rotary-type translation piston compressor |
| CN106246553A (en) * | 2016-09-26 | 2016-12-21 | 广东美芝制冷设备有限公司 | Compress mechanism and there is its rotary compressor |
| CN106762638A (en) * | 2016-11-30 | 2017-05-31 | 浙江海洋大学 | A kind of translation piston compressor |
| CN110374874A (en) * | 2019-07-29 | 2019-10-25 | 黄石东贝电器股份有限公司 | A kind of multiple anti-leak spring-piece type slide block mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026700A (en) * | 2018-08-22 | 2018-12-18 | 中北大学 | A kind of parallel sliding valve vacuum pump of motor direct connection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1198716A (en) * | 1966-12-17 | 1970-07-15 | Toyoda Machine Works Ltd | Improvements in or relating to Rotary Pumps. |
| GB2057059A (en) * | 1979-08-28 | 1981-03-25 | K B Engineering Co | Rotary positive-displacement fluid-machines |
| US6095783A (en) * | 1998-02-20 | 2000-08-01 | Hansen; Craig N. | Fluid mover |
| EP1647715A3 (en) * | 2004-09-30 | 2011-12-07 | Sanyo Electric Co., Ltd. | Compressor |
| CN101446288A (en) * | 2008-10-31 | 2009-06-03 | 陈君立 | Translational piston rotary compressor |
| CN201310462Y (en) * | 2008-10-31 | 2009-09-16 | 陈君立 | Translational motion piston type rotary compressor |
-
2008
- 2008-10-31 CN CNA2008102187888A patent/CN101446288A/en active Pending
-
2009
- 2009-10-29 WO PCT/CN2009/074703 patent/WO2010048894A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010048894A1 (en) * | 2008-10-31 | 2010-05-06 | 浙江鸿友压缩机制造有限公司 | Translational rotor rotating compressor |
| CN101865134A (en) * | 2010-06-25 | 2010-10-20 | 陆春晖 | Translation penetrating blade type air-conditioner compressor |
| CN101865134B (en) * | 2010-06-25 | 2011-07-20 | 陆春晖 | Translation penetrating blade type air-conditioner compressor |
| CN101886631A (en) * | 2010-08-23 | 2010-11-17 | 浙江鸿友压缩机制造有限公司 | Parallel move rotor type capacity-varied device |
| 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 |
| CN103410732A (en) * | 2013-08-22 | 2013-11-27 | 浙江百达精工股份有限公司 | Rotary-type translation piston compressor |
| CN103410732B (en) * | 2013-08-22 | 2015-10-07 | 浙江百达精工股份有限公司 | Rotary-type translation piston compressor |
| CN106246553A (en) * | 2016-09-26 | 2016-12-21 | 广东美芝制冷设备有限公司 | Compress mechanism and there is its rotary compressor |
| CN106246553B (en) * | 2016-09-26 | 2019-08-09 | 广东美芝制冷设备有限公司 | Compression mechanism and rotary compressor with it |
| CN106762638A (en) * | 2016-11-30 | 2017-05-31 | 浙江海洋大学 | A kind of translation piston compressor |
| CN106762638B (en) * | 2016-11-30 | 2018-11-06 | 浙江海洋大学 | A kind of translation piston compressor |
| CN110374874A (en) * | 2019-07-29 | 2019-10-25 | 黄石东贝电器股份有限公司 | A kind of multiple anti-leak spring-piece type slide block mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010048894A1 (en) | 2010-05-06 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090603 |