CN1063338A - The rolling piston compressor that engineering ceramics is made - Google Patents
The rolling piston compressor that engineering ceramics is made Download PDFInfo
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- CN1063338A CN1063338A CN 91100362 CN91100362A CN1063338A CN 1063338 A CN1063338 A CN 1063338A CN 91100362 CN91100362 CN 91100362 CN 91100362 A CN91100362 A CN 91100362A CN 1063338 A CN1063338 A CN 1063338A
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- rolling piston
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- sealing block
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Abstract
The rolling piston gas compressor that engineering ceramics of the present invention is made, rolling piston, sealing block, front and back bearings of main shaft, exhaust check valve are all made with the engineering porcelain.With engineering ceramic structures assemble compressible machine, it is low to drive energy consumption, long service life, and noise is low, and unlubricated dose, positive machine structure is more simple.
Description
The present invention relates to household refrigerator and air conditioner refrigeration compressor, rolling piston compressor, this compressor are day by day to enlarge the effect field at present, because of the positive machine simple and compact structure of this rolling piston compressor, part is few in addition for positive machine, and the single discharge capacity is big, suitable full batch process the in batches, cost of production is lower.
The present invention becomes rolling piston and sealing block and unidirectional exhaust sealing valve with the engineering porcelain, and the structural member that becomes with the engineering porcelain can solve problems such as frictional heat that mechanical motion exists, frictional resistance, friction noise.
Rolling piston and its key character of sealing block of becoming with the engineering porcelain are the oiling agents of needn't annotating, and secondly are to reduce to drive energy consumption, increase the service life, and reduce noise, further reduce positive machine part in addition.
Because the engineering ceramics physical property is not expand with heat and contract with cold, friction ractor is low, high hard and wear-resisting, high temperature resistantly do not corrode, above-mentioned premium properties, rolling piston of making and sealing block can improve significantly that rolling piston and front and rear cover and stator week are kept away and crank throw axle journal and sealing block frictional resistance and frictional heat, because of rolling piston has two kinds of movement locus, the friction of piston rotation and axle journal, piston revolution and front and rear cover side and the friction that keeps away in stator week, the friction of the additional axial pressure of rolling piston and sealing block, comprehensive above-mentioned all kinds of friction, rolling piston friction area is all bigger than other pump class piston.
Therefore will improve the rolling piston compressor performance is at first to improve rolling piston and sealing block, rolling piston and sealing block friction ractor that interior useful engineering ceramics is made are low, high hard and wear-resisting, do not expand with heat and contract with cold, could significantly improve rolling piston compressor, rotation and revolution and metal contact area are big in the whole running of rolling piston, the linear velocity height, particularly rolling piston contacts all the time with sealing block, and be provided with in the sealing block and press the king to have axial pressure, thus, frictional resistance and frictional heat concentrate on this territory, place, use the engineering ceramics structural member instead and can significantly improve frictional resistance and mill heat in the rolling piston running, the particularly frictional resistance of rolling piston and sealing block and frictional heat, press the king to produce axial pressure because be provided with in the sealing block, add the friction ractor that swashs sealing block and rolling piston, use instead the engineering ceramics low frictional factor can further improve the positive machine of rolling piston compressor must energy.Rolling piston made by engineering ceramics and sealing block is not expand with heat and contract with cold, and very high finishingness can not produce in metal shape chamber high speed running stuck, small to galling.
The working condition of exhaust one-way sealing valve, more than 1,400 closure of per minute and unlatching, be in the high frequency to-and-fro motion, use engineering ceramics exhaust one-way sealing valve instead, because of ceramic light weight height wear-resisting firmly again, pottery is also lower at the closed Strike note of high frequency with metal, significantly improves exhaust one-way sealing valve durability and noise, improves positive machine integrity and reliability.
Main spindle front bearing and rear bearing are also used engineering ceramics instead and are made, and it is to substitute cod that the rear-end of spindle center hole is inlayed its effect of R shape ceramic fitting, and above-mentioned bearing is used engineering ceramics instead can be unlubricated dose of running down.
Comprehensive above-mentioned explanation, with the engineering ceramics alternative metals in addition the key character of part be, under unlubricated dose, do not increase the driving energy consumption, increase the service life, noise-decreasing can be fit to the following refrigeration agent of development newly.
Further specify below in conjunction with the roman structural representation
Fig. 1: totally-enclosed horizontal type rolling piston compressor roman structural representation.
Fig. 2: sealing block organigram.
Fig. 3: rolling piston organigram.
Fig. 4: one-way sealing valve constitution schematic representation.
Fig. 5: main spindle front bearing schematic representation.
Fig. 6: inlay rear-end of spindle center hole R oblique crank Z and hold.
Fig. 7: mainshaft rear bearing schematic representation.
Fig. 1 to 7 is described further again:
Fig. 1 is the positive machine structural representation of refrigerator refrigeration rolling piston compressor, the isolation of compressor and main motor is to inlay O type polyamine fat rubber seal ring in the pump housing frame shirt rim, main shaft ceramic bearing rear end is provided with metal ring, the ring internal diameter is inlayed O type sealed nylon ring, add again and press Wang Zucheng compressor and motor interrupter, its objective is that refrigeration agent can not be leaked in the motor to be gone, can reduce the electrical machine insulation grade, reduce cost.
It is to bear the axial force distance that sealing presses the king to produce that the R profile shaft of Fig. 6 is made its effect to bearing with silicon nitride ceramics, and it is small with filling up the volume frictional resistance on R type summit.
Can be with the front and back bearings of main shaft that silicon nitride ceramics is made unlubricated dose of running.Rolling piston is also made with silicon nitride ceramics, sealing block silicon carbide ceramics manufacturing, rolling piston and the relative movement of sealing block high speed also need not oiling agent, and its frictional resistance is also small, because of ceramic friction ractor has only 0.01, comprehensive above-mentioned explanation, the rolling piston gas compressor of the structural member that usefulness engineering porcelain becomes is under unlubricated dose of running, and it is lower to drive energy consumption, increase working life, noise significantly lowers, and positive machine structure is more simple, can be fit to the following refrigeration agent of development newly.
The manufacturing process and the processing technology of engineering ceramics structural member are described at last, the engineering ceramics structural member is the mold pressing cold forming, divide double sintering, the plain embryo of mold pressing is through check, carry out once sintered, once sintered semi-finished product, this moment, the structural member distortion was big, hardness is low, easily processing can be through turning, and processing such as grinding is revised, semi-finished product carry out double sintering again after processing, also need account for the cutter refine to meeting grinding size through the finished product of double sintering, grind again, technology such as polishing, reach highi degree of accuracy and high finishingness with Buddha's warrior attendant, with the gluing combination of metalwork, positive machine is assembled then.
Claims (4)
1, the rolling piston gas compressor is used engineering ceramics structural member alternative metals friction means instead, as (2) sealing block, (3) rolling piston, (4) exhaust one-way sealing valve is before (5) main shaft, back garden cylindrical support bearing, (6) rear-end of spindle is inlayed the ceramic rolling piston gas compressors of composition such as R shape block bearing, and its positive machine feature is that the driving function is low, and increase working life, noise reduces, and important one is the oiling agent of need not annotating.
2, device according to claim 1, the sealing block that (2) silicon carbide is made makes up the dynamic friction pair with the rolling piston that (3) silicon nitride is made, and when it is characterized in that the high speed relative movement, surface friction drag and frictional heat are low, and nothing is expanded with heat and contract with cold, and does not need oiling agent.
3, device according to claim 1, (4) silicon nitride ceramics is made the one-way sealing valve, it is characterized in that pottery is high hard wear-resisting and light weight can extend using period, and reduces valve and metallic closed impact noise.
4, device according to claim 1, (5) are inlayed R shape block bearing before being main shaft with (6) behind back garden cylindrical support bearing and the main shaft, all make with silicon nitride ceramics, it is characterized in that reducing main shaft surface friction drag, increase the spreadable life, do not need oiling agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 91100362 CN1063338A (en) | 1991-01-16 | 1991-01-16 | The rolling piston compressor that engineering ceramics is made |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 91100362 CN1063338A (en) | 1991-01-16 | 1991-01-16 | The rolling piston compressor that engineering ceramics is made |
Publications (1)
Publication Number | Publication Date |
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CN1063338A true CN1063338A (en) | 1992-08-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 91100362 Pending CN1063338A (en) | 1991-01-16 | 1991-01-16 | The rolling piston compressor that engineering ceramics is made |
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CN (1) | CN1063338A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103410730A (en) * | 2013-05-23 | 2013-11-27 | 潮州三环(集团)股份有限公司 | Rolling rotor type compressor |
-
1991
- 1991-01-16 CN CN 91100362 patent/CN1063338A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103410730A (en) * | 2013-05-23 | 2013-11-27 | 潮州三环(集团)股份有限公司 | Rolling rotor type compressor |
WO2014186989A1 (en) * | 2013-05-23 | 2014-11-27 | 潮州三环(集团)股份有限公司 | Rolling rotor (piston) type compressor |
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