CN101737330B - Sealed structure of rolling piston compressor or engine - Google Patents
Sealed structure of rolling piston compressor or engine Download PDFInfo
- Publication number
- CN101737330B CN101737330B CN 201010110332 CN201010110332A CN101737330B CN 101737330 B CN101737330 B CN 101737330B CN 201010110332 CN201010110332 CN 201010110332 CN 201010110332 A CN201010110332 A CN 201010110332A CN 101737330 B CN101737330 B CN 101737330B
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- Prior art keywords
- slide block
- rolling piston
- engine
- machine oil
- eccentric
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- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000010721 machine oil Substances 0.000 claims description 35
- 239000003921 oil Substances 0.000 claims description 26
- 230000007547 defect Effects 0.000 abstract 1
- 210000003739 neck Anatomy 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention provides a sealed structure of a rolling piston compressor or an engine, and relates to the technical field of rolling piston compressors and engines. The sealed structure comprises a cylinder body and a slide block. A power main shaft is provided with a sliding eccentric wheel, and the outside of the sliding eccentric wheel is provided with a rolling sleeve. The sealed structure ismainly characterized in that the sliding eccentric wheel is provided with a radial chute, and the radial chute and sliding surfaces on two sides of the power main shaft are in radial sliding fit; anda clearance is formed between the power main shaft and the top of the radial chute, and the sealed structure is provided with an oil guide structure for connecting the clearance and a hydraulic device. The sealed structure overcomes the defects of the prior art, has the characteristics of unique principle, compact structure and good sealing performance, can greatly increase the efficiency of the compressor or the engine, saves energy, is flexible and convenient to use, and can be widely used in an air compressor, an air conditioner, a refrigerator and a rolling piston engine.
Description
Technical field
The present invention relates to rolling piston compressor and technical field of engines.
Background technique
Rolling piston is applied in air compressor, air-conditioning, refrigerator and rolling piston motor, and its advantage is not make the piston rod of straight reciprocating motion; Its deficiency is the poor sealing performance of rolling piston mechanism, and the parts machining precision is high, and after the rolling piston component wear, the gap of expansion can't auto-compensation, the leakage that has further strengthened pressurized gas.So improve the structure of rolling piston, when reducing the parts machining precision, improve its sealability, thereby reduce energy consumption, improve its output function, be the key subjects of rolling piston research.
Summary of the invention
The purpose of this invention is to provide a kind of rolling piston compressor or seal structure for engine, it has the characteristics of principle uniqueness, compactness simple for structure, good seal performance, can make compressor or engine efficiency improve a lot, energy-conservation, flexible and convenient to use.Can be widely used on air compressor, air-conditioning, refrigerator and the rolling piston motor.
Main technical schemes of the present invention is: a kind of rolling piston compressor or seal structure for engine, comprise cylinder body, front end housing, back cylinder cover, slide block, power mainshaft is provided with slip eccentric, the slip eccentric outside is provided with roll sleeve, it is characterized in that slip eccentric is provided with radial groove, the sliding surface of this radial groove and power mainshaft both sides radially slides cooperation; Between the top of power mainshaft and radial groove, be provided with the gap, and be provided with oil guide structure with above-mentioned gap and hydraulic pressure installation connection.
Preferably be provided with eccentric shaft bearing between described slip eccentric and roll sleeve.
Described eccentric shaft bearing is preferably two, and the centre is provided with butterfly spring or spring, and the outer shroud of two eccentric shaft bearings is equipped with seal ring, forms the rolling piston end face seal.
Described oil guide structure can be: the one or both ends of power mainshaft are provided with the helix oil groove that all screws in to the centre, and this helix oil groove is communicated with above-mentioned gap and cylinder cap bearing machine oil hand-hole.
Can be provided with machine oil non-return flap snubber in the described gap, the one or both ends of machine oil non-return flap snubber are equipped with machine oil non-return flap.Power mainshaft is provided with the conocave plane, is equipped with gap on the shoulder at two ends, conocave plane above-mentioned gap is connected with the helix oil groove.
Described oil guide structure also can be: the oilhole at power mainshaft center and above-mentioned gap are communicated with, and power mainshaft is communicated with the oilhole at power mainshaft center with the oil-feed axle sleeve of annular oil groove by its radial hole, and oil-feed axle sleeve and hydraulic pressure installation are communicated with.
Described slide block is comprised of master slider and secondary slide block, be slidingly matched for the wedge-type tapered plane between master slider and secondary slide block, secondary slide block is compressed by sliding block spring, and secondary slide block is pressed on the master slider, reach between the outer side surface of master slider and secondary slide block and front end housing, back cylinder cover with cylinder body between be plane sealing and cooperate.Described slide block also can same prior art.
The present invention has outstanding beneficial effect: it has overcome the deficiency of prior art, finely solved that prior art is medium-term and long-term to be existed and an open question always, it has the characteristics of principle uniqueness, compactness simple for structure, good seal performance, compressor or engine efficiency are improved a lot and energy-conservation, flexible and convenient to use.Can be widely used on air compressor, air-conditioning, refrigerator and the rolling piston motor.
Be described further below in conjunction with drawings and Examples, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the plan structure schematic representation of one embodiment of the invention.
Fig. 2 is the A-A sectional structure schematic representation of Fig. 1.
Fig. 3 is the B-B sectional structure schematic representation of Fig. 1.
Fig. 4 is the perspective view of hydraulic pressure auto-compensation rotary-piston among Fig. 3.
Fig. 5 is that perspective view is amplified in the part at C position among Fig. 4.
Fig. 6 is the perspective view of the slide block among Fig. 3.
Number in the figure explanation: 1. front end housing, 11. cylinder cap machine oil hand-hole, 2. cylinder bodies, 21. suction port, 22. fixedly cylinder bolt hole, 3. back cylinder covers, 31. cylinder cap machine oil portals, 4. stationary cylinder bonnet bolt, 5. power mainshaft, (51. power mainshaft 5 both sides) sliding surface, 52. helix oil grooves, 53. oil passageways, 6. safety check, 61. pressurized gas outlet, 7. machine oil non-return flap, 8. slip eccentric, (81. slip eccentric) radial groove, 9. eccentric shaft bearing, 91. seal ring annular groove, 10. roll sleeves, 12. master slider, 13. secondary slide block, 14. sliding block springs, 15. cylinder cap bearings, 151. cylinder cap bearing machine oil hand-hole, 16. machine oil non-return flap snubber, 17. butterfly springs, 18. seal rings.
Embodiment
Referring to Fig. 1～Fig. 6, this rolling piston compressor or seal structure for engine, comprise cylinder body 2, front end housing 1, back cylinder cover 3, slide block, power mainshaft 5 is provided with slip eccentric 8, slip eccentric 8 outsides are provided with roll sleeve 10, be provided with radial groove 81 at slip eccentric 8, the sliding surface 51 of this radial groove 81 and power mainshaft 5 both sides radially slides cooperation; Between the top of power mainshaft 5 and radial groove 81, be provided with the gap, and be provided with oil guide structure above-mentioned gap is linked to each other with hydraulic pressure installation.10 of slip eccentric 8 and roll sleeves are provided with eccentric shaft bearing 9.Eccentric shaft bearing 9 is two, and the outer shroud that the centre is provided with 17, two eccentric shaft bearings 9 of butterfly spring is equipped with seal ring 18, forms the rolling piston end face seal.Oil guide structure is: the one or both ends of power mainshaft 5 are provided with the helix oil groove 52 that all screws in to the centre, and this helix oil groove 52 is communicated with above-mentioned gap and cylinder cap bearing machine oil hand-hole 151.Be provided with machine oil non-return flap snubber 16 in the described gap, the one or both ends of machine oil non-return flap snubber 16 are equipped with machine oil non-return flap 7.The effect of machine oil non-return flap snubber 16 is the distances that limit 7 displacements of machine oil non-return flap, guarantees that machine oil can in time enter when above-mentioned gap inner engine oil is discontented, and machine oil cannot oppositely flow out simultaneously.Power mainshaft 5 is provided with the conocave plane, is equipped with gap on the shoulder of one or both ends, conocave plane connection is connected in above-mentioned gap with the helix oil groove.Described slide block is comprised of master slider 12 and secondary slide block 13, and 13 of master slider 12 and secondary slide blocks be for the wedge-type tapered plane is slidingly matched, the outer side surface of master slider 12 and secondary slide block 13 and front end housing 1,3 of back cylinder covers and with cylinder body between be plane sealing and cooperate.
Referring to Fig. 6, master slider 12 and secondary slide block 13 are combined into a rectangular shaped slider with its hypotenuse, and secondary slide block 13 must have sliding block spring 14 to compress, and secondary slide block 13 is pressed on the master slider 12.Spring can be arranged or without spring on the master slider 12.
Its working procedure is as follows: when power input shaft 5 circulation time of starting working that turns clockwise as shown, motion between screw thread oil passageway 52 and the cylinder cap bearing 14 produces squeezing action to machine oil, force machine oil through cylinder cap machine oil hand-hole 11, cylinder cap bearing machine oil hand-hole 151, screw thread oil passageway 52 and oil passageway 53, push machine oil non-return flap 7 open, enter and be full of between slip eccentric 8 and the axle 5 stage casing square necks 51, with slip eccentric 8 jack-up, force roll sleeve 10 and cylinder body 2 inwalls to be combined closely, reach the purpose of sealing.When a small amount of seepage of machine oil that occurs between the slip eccentric 8 and 51, when perhaps slip eccentric 8, eccentric shaft bearing 9 and roll sleeve 10 wore and tore, machine oil can be charged into by automatic makeup, reaches the purpose of sealing.When the machine oil between slip eccentric 8 and the axle 5 stage casing square necks 51 was subject to the external force extruding, the machine oil pusher oil return check valve lobe 7 of backflow was closed oil passageway 53.The outlet 31 of organic oil circulation on the back cylinder cover 3, also organic oil loop exit of same position place on the front end housing 1.
The eccentric shaft bearing 9 of two transition fit is housed in the roll sleeve 10, annular groove 91 is arranged on the eccentric shaft bearing 9, packing sealing ring 18 is housed in the annular groove.Between two eccentric shaft bearings 9 butterfly spring 17 is arranged, force two eccentric shaft bearings 9 and front end housing 1 and back cylinder cover 3 to form end face seal.
Illustrate: above-mentioned power mainshaft 5 can be the input shaft of compressor or the output shaft of motor.During enforcement, other structures of compressor or motor can same prior art, in this omission.
Claims (4)
1. a rolling piston compressor or seal structure for engine, comprise cylinder body (2), front end housing (1), back cylinder cover (3), slide block, power mainshaft (5) is provided with slip eccentric (8), slip eccentric (8) outside is provided with roll sleeve (10), it is characterized in that slip eccentric (8) is provided with radial groove (81), the sliding surface (51) of this radial groove (81) and power mainshaft (5) both sides radially slides cooperation; Between the top of power mainshaft (5) and radial groove (81), be provided with the gap; The one or both ends of power mainshaft (5) are provided with the helix oil groove (52) that all screws in to the centre, and this helix oil groove (52) is communicated with above-mentioned gap and cylinder cap bearing machine oil hand-hole (151); Be provided with machine oil non-return flap snubber (16) in the described gap, the one or both ends of machine oil non-return flap snubber (16) are equipped with machine oil non-return flap (7).
2. rolling piston compressor according to claim 1 or seal structure for engine is characterized in that being provided with eccentric shaft bearing (9) between described slip eccentric (8) and roll sleeve (10).
3. rolling piston compressor according to claim 1 or seal structure for engine, it is characterized in that described power mainshaft (5) is provided with the conocave plane, be equipped with gap on the shoulder at two ends, conocave plane above-mentioned gap is connected 52 with the helix oil groove) connect.
4. according to claim 1,2 or 3 described rolling piston compressor or seal structure for engines, it is characterized in that described slide block is comprised of master slider (12) and secondary slide block (13), be slidingly matched for the wedge-type tapered plane between master slider (12) and secondary slide block (13), secondary slide block (13) is compressed by sliding block spring (14), secondary slide block (13) is pressed on the master slider (12), reach between the outer side surface of master slider (12) and secondary slide block (13) and front end housing (1) and back cylinder cover (3) with cylinder body between be plane sealing and cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010110332 CN101737330B (en) | 2010-02-10 | 2010-02-10 | Sealed structure of rolling piston compressor or engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010110332 CN101737330B (en) | 2010-02-10 | 2010-02-10 | Sealed structure of rolling piston compressor or engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737330A CN101737330A (en) | 2010-06-16 |
| CN101737330B true CN101737330B (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010110332 Expired - Fee Related CN101737330B (en) | 2010-02-10 | 2010-02-10 | Sealed structure of rolling piston compressor or engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737330B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591022B (en) * | 2013-08-02 | 2016-08-17 | 西安交通大学 | A kind of Slipper-type radial flexible compensation mechanism of rolling piston-like fluid machine |
| CN114382609A (en) * | 2021-12-13 | 2022-04-22 | 天津大学 | Reciprocating high-low pressure self-adaptive compensation sealing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106952A (en) * | 1984-11-13 | 1986-07-23 | 特库姆塞制品公司 | The lubricating fitting of rotary compressor |
| CN2074383U (en) * | 1990-07-07 | 1991-04-03 | 西安交通大学 | Rotary-piston compressor |
| JP2007291886A (en) * | 2006-04-21 | 2007-11-08 | Toshiba Kyaria Kk | Fluid machine and refrigeration cycle device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2574363B2 (en) * | 1988-02-08 | 1997-01-22 | 松下冷機株式会社 | Rotary compressor |
-
2010
- 2010-02-10 CN CN 201010110332 patent/CN101737330B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106952A (en) * | 1984-11-13 | 1986-07-23 | 特库姆塞制品公司 | The lubricating fitting of rotary compressor |
| CN2074383U (en) * | 1990-07-07 | 1991-04-03 | 西安交通大学 | Rotary-piston compressor |
| JP2007291886A (en) * | 2006-04-21 | 2007-11-08 | Toshiba Kyaria Kk | Fluid machine and refrigeration cycle device |
Non-Patent Citations (1)
| Title |
|---|
| JP平1-203686A 1989.08.16 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101737330A (en) | 2010-06-16 |
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| ASS | Succession or assignment of patent right |
Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE Free format text: FORMER OWNER: LIU YAMIN Effective date: 20121120 Owner name: STATE GRID CORPORATION OF CHINA HEBEI ELECTRIC POW Effective date: 20121120 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Hou Shuanglin Inventor before: Liu Yamin |
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Free format text: CORRECT: ADDRESS; FROM: 050051 SHIJIAZHUANG, HEBEI PROVINCE TO: 051122 SHIJIAZHUANG, HEBEI PROVINCE Free format text: CORRECT: INVENTOR; FROM: LIU YAMIN TO: HOU SHUANGLIN |
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Effective date of registration: 20121120 Address after: 051122 No. 238 South Sports street, Yuhua District, Hebei, Shijiazhuang Applicant after: Electric Power Research Institute of Hebei Electric Power Corp. Applicant after: State Grid Corporation of China Applicant after: HEBEI ELECTRIC POWER COMMISSIONING INSTITUDE Address before: 601, room 3, unit 9, 11 Feng Feng Road, 050051, Shijiazhuang, Hebei Applicant before: Liu Yamin |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |