CN113107847A - Rotary pendulum driving scraper type compressor and using method thereof - Google Patents
Rotary pendulum driving scraper type compressor and using method thereof Download PDFInfo
- Publication number
- CN113107847A CN113107847A CN202011566726.3A CN202011566726A CN113107847A CN 113107847 A CN113107847 A CN 113107847A CN 202011566726 A CN202011566726 A CN 202011566726A CN 113107847 A CN113107847 A CN 113107847A
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- pin shaft
- rotor
- cylinder body
- scraping blade
- guide groove
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/40—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and having a hinged member
- F04C18/44—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and having a hinged member with vanes hinged to the inner member
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a rotary-swing driving scraper type compressor and a using method thereof, and relates to the field of compressors. The volume change of the air suction-exhaust compartment is realized mainly by the restraint of the rotary pin shaft guide groove and the swing rotary pin shaft guide groove in the end cover on the rotary pin shaft and the swing pin shaft connected with the scraping blade, so that the friction force between the scraping blade and the cylinder wall is relatively stable, the lubrication of a compressor is facilitated, the noise is reduced, and the service life is prolonged.
Description
Technical Field
The invention relates to the field of compressors, in particular to a rotary-pendulum driving scraper type compressor and a using method thereof.
Background
A compressor is a device widely used in many industries, and its main function is to compress a gas at normal pressure into a gas having a higher pressure. The compressor adopts various principle structures, such as piston type, turbine type, centrifugal type, screw type, spiral type, scraper type and the like, wherein the scraper type compressor has the advantages of simple structure and manufacturing process, small volume, low cost, convenient maintenance and the like, so that the compressor is preferentially adopted in low-power occasions with narrow space, high requirements on cost control and easy maintenance. The scraper of the scraper type compressor usually adopts the pressure of a return spring or the centrifugal force generated by the rotation of a rotor to keep the sealing between the scraper and a cylinder wall, and the mode makes the treatment of the contradiction between the friction force between the balance scraper and a sliding groove and the sealing complicated, and the operation of the compressor is unstable due to the radial vibration of the scraper or the friction between the scraper and the sliding groove when the operation speed of the compressor is greatly changed, particularly the rotating speed is low, which is very unfavorable for the lubrication, the noise control and the service life of the compressor. For the above reasons, there is a need for further improvement in operation stability, reduction in volume, reduction in operation noise, improvement in lubrication conditions, and extension in operation life while retaining the inherent advantages of the vane compressor.
Disclosure of Invention
The invention aims to provide a rotary-pendulum driving scraper type compressor, which aims to overcome the defects in the prior art.
A rotary pendulum driving scraper type compressor comprises a base, a cylinder body supported on the base, a rotor, a scraper, an end cover, an air inlet and an air outlet, wherein the air inlet and the air outlet are respectively connected to the air inlet side and the air outlet side of the cylinder body;
the sealing ring is embedded into a sealing ring groove arranged on the outer edge of the inner side of the end cover, the two end covers are respectively connected with the cylinder body in a sealing way through the sealing ring from the front end and the rear end of the cylinder body, and the rotor eccentrically penetrates through the cylinder body and penetrates through an oil seal bearing arranged on the end cover through a driving shaft arranged at the front end and the rear end of the rotor;
the roots of the scraping blades are embedded in the semicircular groove on the outer edge of the rotor, the rotating pin shaft rotatably penetrating through the roots of the scraping blades and the swinging pin shaft rotatably penetrating through the waist of the scraping blades are respectively and slidably supported in the rotating pin shaft guide groove and the swinging pin shaft guide groove on the inner side of the end cover, and the outer ends of the scraping blades are slidably constrained on the inner wall of the cylinder body.
Preferably, the rotating pin shaft rotatably penetrates through the root of the scraping blade, two ends of the rotating pin shaft protrude out, and the rotating pin shaft is slidably supported in a rotating pin shaft guide groove on the inner side of the end cover through a rotating pin shaft sealing ring sleeved on the rotating pin shaft sealing ring by virtue of a rotating pin shaft sliding ring;
the swing pin shaft is rotatably penetrated through the waist part of the scraping piece through a swing pin shaft sealing ring sleeved in the shaft necks with the concave ends, and the two ends of the swing pin shaft are slidably supported in a swing pin shaft guide groove on the inner side of the end cover.
Preferably, the design of the position of the swing pin shaft on the scraping blade, the section of the swing pin shaft sealing ring and the curve of the swing pin shaft guide groove on the inner side of the end cover are matched and ensured as follows: when the scraping blade rotates for one circle, the pressure of the outer end of the scraping blade is consistent with that of the inner wall of the cylinder body.
Preferably, the section of the scraping blade is in an arc shape matched with the outer edge of the rotor, and the inner wall of the cylinder body is provided with a separate cylinder sleeve and is embedded into the inner side of the cylinder body.
The invention has the advantages that: the invention utilizes the pin shaft guide groove in the end cover to restrain the movement of the two ends of the rotating pin shaft and the swinging pin shaft which penetrate through the scraping piece, and the scraping piece does swinging movement around the rotating pin shaft while doing rotating movement along with the rotor, thereby forming a plurality of compartments with periodically changed space volume among the rotor, the cylinder wall and the scraping piece. In the running process of the compressor, the volume change of the suction-exhaust compartment is realized mainly by the restraint of the rotary pin shaft guide groove and the swing rotary pin shaft guide groove in the end cover on the rotary pin shaft and the swing pin shaft connected with the scraping blade respectively, so that the friction force between the scraping blade and the cylinder wall is relatively stable, the lubrication of the compressor is facilitated, the noise is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic view of the overall configuration of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of a cylinder according to an embodiment of the present invention.
Fig. 3 is a detailed view of a partial configuration of the rotating pin 411 in fig. 2.
Fig. 4 is a detailed view of a portion of the construction of the pivot pin 412 of fig. 2.
In the figure, a machine base 1, a cylinder body 2, a rotor 3, a scraping blade 4, an end cover 5, an air inlet 6 and an air outlet 7;
the seal ring 21, the drive shaft 31, the rotating pin 411, the swing pin 412, the rotating pin slip ring 420, the rotating pin seal ring 421, the swing pin seal ring 422, the seal ring groove 51, the rotating pin guide groove 521, the swing pin guide groove 522, and the oil seal bearing 53.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 4, the present embodiment includes a base 1, a cylinder 2 supported on the base 1, a rotor 3, a wiper 4, an end cap 5, and an air inlet 6 and an air outlet 7 connected to an air inlet side and an air outlet side of the cylinder 2, respectively. The sealing ring 21 is embedded into a sealing ring groove 51 arranged on the outer edge of the inner side of the end cover 5, the two end covers 5 are respectively connected with the cylinder body 2 from the front end and the rear end through the sealing ring 21 in a sealing way, the rotor 3 is eccentrically arranged in the cylinder body 2 in a penetrating way and is arranged in an oil seal bearing 53 arranged on the end cover 5 through a driving shaft 31 arranged at the front end and the rear end of the rotor 3; the roots of the plurality of blades are embedded in the semicircular grooves of the outer edge of the rotor 2 and are slidably supported by the rotating pin shaft guide groove 521 and the swinging pin shaft guide groove 522 of the inner side of the end cover 5 through the rotating pin shaft 411 rotatably penetrating the roots of the blades and the swinging pin shaft 412 rotatably penetrating the waist of the blades, respectively, and the outer ends of the blades 4 are slidably restrained on the inner wall of the cylinder 2.
The rotating pin 411 rotatably penetrates through the root of the scraping blade 4, protrudes from both ends thereof, and is slidably supported in the rotating pin guide groove 521 at the inner side of the end cover 5 by the rotating pin sliding ring 420 through the rotating pin sealing ring 421 sleeved on the rotating pin sealing ring; the swing pin 412 is rotatably inserted through the waist of the wiper blade 4 by a swing pin sealing ring 422 fitted in the recessed journals at both ends thereof and is slidably supported at both ends thereof in a swing pin guide groove 522 inside the end cover 5.
The design of the curve of the swing pin shaft guide groove 522 of the swing pin shaft 412 at the position of the scraping blade 4, the section of the swing pin shaft sealing ring 422 and the inner side of the end cover 5 is matched and ensured: when the scraping blade 4 rotates for one circle, the outer end of the scraping blade 4 is basically consistent with the pressure of the inner wall of the cylinder body 2.
The open cavity on the side of the cylinder 2 close to the air inlet is enlarged and biased toward the side of the rotor rotation direction, and the open cavity on the side of the cylinder 2 close to the air outlet is reduced and biased toward the side of the rotor rotation direction.
The section shape of the scraping blade 4 is an arc shape which is matched with the outer edge of the rotor 3, and the inner wall of the cylinder body 2 can be separately provided with a separated cylinder sleeve and embedded into the inner side of the cylinder body 2.
In this embodiment, the seal ring 21, the rotating pin shaft seal ring 421 and the swinging pin shaft seal ring 422 are made of oil-resistant rubber materials, the oil seal bearing 53 is made of a standard component or a fixed component, and the rest of the components are made of metal materials by a mature process.
The working process of the embodiment is as follows:
referring to fig. 1-4, in use, the embodiment of the present invention is connected to a prime mover through a drive shaft 31 on a rotor 3, when the rotor 3 is driven to rotate clockwise, a wiper blade 4 linked with the rotor 3 also rotates along with the cylinder 2, because a rotation pin shaft guide slot 521 and a swing pin shaft guide slot 521 in an end cover 5 respectively restrict the movement of a rotation pin 411 and a swing pin 412 penetrating the wiper blade 4, the wiper blade 4 also swings around the rotation pin 411 while rotating with the rotor, thereby forming a plurality of compartments with periodically changing space volume among the rotor, the cylinder wall and the wiper blade, each compartment has a volume which is increased from small when rotating through an air inlet 6 to suck air, and has a volume which is decreased from large when rotating through an air outlet 7 to compress air and discharge the air to the air outlet 7. In the operation process of the compressor, the volume change of the suction-exhaust compartment is realized mainly by the restraint of the rotary pin shaft 411 and the swing pin shaft 412 connected with the scraping blade 4 by the rotary pin shaft guide groove 521 and the swing rotary pin shaft guide groove 522 in the end cover 5, so that the friction force between the scraping blade and the cylinder wall is relatively stable, the lubrication of the compressor is facilitated, the noise is reduced, and the service life is prolonged.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (5)
1. The utility model provides a revolve pendulum drive scraper formula compressor which characterized in that: comprises a base (1), a cylinder body (2) supported on the base (1), a rotor (3), a scraping blade (4), an end cover (5), an air inlet (6) and an air outlet (7) which are respectively connected with the air inlet side and the air outlet side of the cylinder body (2);
the sealing ring (21) is embedded into a sealing ring groove (51) arranged on the outer edge of the inner side of the end cover (5), the two end covers (5) are respectively connected with the cylinder body (2) in a sealing way through the sealing ring (21) from the front end and the rear end of the cylinder body, the rotor (3) is eccentrically arranged in the cylinder body (2) in a penetrating way and is arranged in an oil seal bearing (53) on the end cover (5) through a driving shaft (31) arranged on the front end and the rear end of the rotor (3);
the roots of the plurality of scraping blades are embedded in the semicircular grooves on the outer edge of the rotor (3), and are respectively and slidably supported on a rotating pin shaft guide groove (521) and a swinging pin shaft guide groove (522) on the inner side of the end cover (5) through a rotating pin shaft (411) rotatably penetrating through the roots of the scraping blades and a swinging pin shaft (412) rotatably penetrating through waist parts of the scraping blades, and the outer ends of the scraping blades (4) are slidably restrained on the inner wall of the cylinder body (2).
2. A rotary pendulum driven vane compressor as set forth in claim 1, wherein: the rotating pin shaft (411) can rotatably penetrate through the root of the scraping blade (4), two ends of the rotating pin shaft protrude out, and the rotating pin shaft is slidably supported in a rotating pin shaft guide groove (521) on the inner side of the end cover (5) through a rotating pin shaft sealing ring (421) sleeved on the rotating pin shaft sealing ring by virtue of a rotating pin shaft sliding ring (420);
the swing pin shaft (412) can rotatably penetrate through the waist of the scraping blade (4) through a swing pin shaft sealing ring (422) sleeved in the shaft necks with the concave ends, and the two ends of the swing pin shaft (412) can be slidably supported in a swing pin shaft guide groove (522) on the inner side of the end cover (5).
3. A rotary pendulum driven vane compressor as set forth in claim 2, wherein: the design of the swinging pin shaft (412) at the position of the scraping blade (4), the section of the swinging pin shaft sealing ring (422) and the curve of the swinging pin shaft guide groove (522) at the inner side of the end cover (5) are matched and ensured as follows: when the scraping blade (4) rotates for one circle, the pressure of the outer end of the scraping blade (4) is consistent with that of the inner wall of the cylinder body (2).
4. A rotary pendulum driven vane compressor as set forth in claim 1, wherein: the section shape of the scraping blade (4) is an arc shape matched with the outer edge of the rotor (3), and the inner wall of the cylinder body (2) is provided with a separated cylinder sleeve and is embedded into the inner side of the cylinder body (2).
5. The use method of the rotary-pendulum driven scraper compressor according to claim 3 or 4 is characterized by comprising the following steps:
in use, is connected to a prime mover by a drive shaft (31) on the rotor (3) and, when the rotor (3) is driven to rotate clockwise, the scraping blade (4) linked with the rotor (3) also rotates in the cylinder body (2), because the rotating pin shaft guide groove (521) and the swinging pin shaft guide groove (521) in the end cover (5) respectively restrict the movement of the two ends of the rotating pin shaft (411) and the swinging pin shaft (412) which penetrate through the scraping blade (4), the scraping blade (4) does swinging movement around the rotating pin shaft (411) while doing rotating movement along with the rotor, so as to form a plurality of compartments with periodically changing space volume among the rotor, the cylinder wall and the scraping blades, each compartment sucks gas by small increase when rotating through the gas inlet (6), the volume of the compartment decreases as it rotates past the vent (7) thereby compressing the gas and venting the gas to the vent (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011566726.3A CN113107847A (en) | 2020-12-25 | 2020-12-25 | Rotary pendulum driving scraper type compressor and using method thereof |
| PCT/CN2021/082707 WO2022134340A1 (en) | 2020-12-25 | 2021-03-24 | Rotating and swinging-driving vane compressor and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011566726.3A CN113107847A (en) | 2020-12-25 | 2020-12-25 | Rotary pendulum driving scraper type compressor and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113107847A true CN113107847A (en) | 2021-07-13 |
Family
ID=76709960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011566726.3A Pending CN113107847A (en) | 2020-12-25 | 2020-12-25 | Rotary pendulum driving scraper type compressor and using method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113107847A (en) |
| WO (1) | WO2022134340A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346964Y (en) * | 1998-10-10 | 1999-11-03 | 傅云树 | Double-hinged spacing vane rolling piston compressor |
| US20050053509A1 (en) * | 2003-09-04 | 2005-03-10 | Liposcak Curtis J. | Hinged-vane rotary pump |
| DE102012001075A1 (en) * | 2012-01-20 | 2013-07-25 | Dieter Brox | Controllable vane compressor e.g. single-vane compressor, for compressing fluid in cooling system in electric car, has rotor within housing wall connected with shaft, where fluid in pressure area is displaced into pressure output via groove |
| CN106401950A (en) * | 2016-11-09 | 2017-02-15 | 浙江科博达工业有限公司 | Vane-hinged-piston compound variable displacement pump |
| CN207131576U (en) * | 2017-01-21 | 2018-03-23 | 虞锦芳 | Turntable rotation formula compression pump |
| CN109026680A (en) * | 2018-08-31 | 2018-12-18 | 浙江工业大学 | A kind of balanced type flexibility combined blade and impeller pump |
| CN214577709U (en) * | 2020-12-25 | 2021-11-02 | 南京工业职业技术大学 | Rotary pendulum driving scraper type compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1842829A (en) * | 1929-07-31 | 1932-01-26 | Gregg David | Rotary compressor |
| CN101216036A (en) * | 2008-01-21 | 2008-07-09 | 任国明 | Rotary vane type compressor |
| CN201165978Y (en) * | 2008-01-21 | 2008-12-17 | 任国明 | Rotary petal type compressor |
| KR101039959B1 (en) * | 2008-12-03 | 2011-06-09 | 영신정공 주식회사 | Power Steering Oil Pump |
| KR20130116709A (en) * | 2012-04-16 | 2013-10-24 | 김해남 | Vane pump apparatus |
| CN203051124U (en) * | 2012-05-30 | 2013-07-10 | 金圣君 | Hinged slide-sheet-type rotary compressor |
-
2020
- 2020-12-25 CN CN202011566726.3A patent/CN113107847A/en active Pending
-
2021
- 2021-03-24 WO PCT/CN2021/082707 patent/WO2022134340A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346964Y (en) * | 1998-10-10 | 1999-11-03 | 傅云树 | Double-hinged spacing vane rolling piston compressor |
| US20050053509A1 (en) * | 2003-09-04 | 2005-03-10 | Liposcak Curtis J. | Hinged-vane rotary pump |
| DE102012001075A1 (en) * | 2012-01-20 | 2013-07-25 | Dieter Brox | Controllable vane compressor e.g. single-vane compressor, for compressing fluid in cooling system in electric car, has rotor within housing wall connected with shaft, where fluid in pressure area is displaced into pressure output via groove |
| CN106401950A (en) * | 2016-11-09 | 2017-02-15 | 浙江科博达工业有限公司 | Vane-hinged-piston compound variable displacement pump |
| CN207131576U (en) * | 2017-01-21 | 2018-03-23 | 虞锦芳 | Turntable rotation formula compression pump |
| CN109026680A (en) * | 2018-08-31 | 2018-12-18 | 浙江工业大学 | A kind of balanced type flexibility combined blade and impeller pump |
| CN214577709U (en) * | 2020-12-25 | 2021-11-02 | 南京工业职业技术大学 | Rotary pendulum driving scraper type compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022134340A1 (en) | 2022-06-30 |
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Application publication date: 20210713 |
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| RJ01 | Rejection of invention patent application after publication |