CN102828955A - Slide plate lubricating structure of compressor - Google Patents
Slide plate lubricating structure of compressor Download PDFInfo
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- CN102828955A CN102828955A CN2011101592718A CN201110159271A CN102828955A CN 102828955 A CN102828955 A CN 102828955A CN 2011101592718 A CN2011101592718 A CN 2011101592718A CN 201110159271 A CN201110159271 A CN 201110159271A CN 102828955 A CN102828955 A CN 102828955A
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Abstract
The invention discloses a slide plate lubricating structure of a compressor. The compressor comprises a compression part and a motor part arranged in a closed housing, wherein the compression part comprises a cylinder, a piston arranged in the cylinder, a crankshaft driving the piston for eccentric rotation, a slide plate arranged in a slide plate groove of the cylinder, and a main bearing and an auxiliary bearing respectively arranged at two sides of the cylinder, and one end of the slide plate is connected with the periphery of the piston; and the motor part comprises a stator which is fixed on an inner wall of the closed housing and a rotor which is fixed on the crankshaft. The slide plate groove of the cylinder is longitudinally provided with an oil storage tank, and the main bearing is provided with an oil through hole corresponding to the oil storage tank. By reducing the oil from the end of the main bearing to mix with gaseous refrigerant, the oil is enabled to flow to and accumulate at the upper end surface of the main bearing, and then flows into the oil storage tank to lubricate the slide plate, so as to ensure lubrication effect of the slide plate under the situations of reduced oil output and low oil level. Meanwhile, based on the above structure, amount of refrigerant oil and sealed refrigerant of the compressor is reduced, and the efficiency of an air-conditioning system is improved.
Description
Technical field
The present invention relates to a kind of slide plate lubricating structure of compressor.
Background technique
Along with raw-material rise in price, the intensification of compressor industry competition, the cost of reduction compressor, the reliability of assurance compressor is necessary to improve competitiveness of product.In the compressor, the refrigerator oil that is used for lubricating movement part is more, and cost is also bigger.Guaranteeing to lubricate between the compressor moving element, guarantee under the prerequisite of compressor reliability that the consumption of refrigerator oil in the reduction compressor is the effective ways that reduce the compressor manufacture cost.
Simultaneously, for the HC cold medium compressor of R290 class, because its inflammable and explosive characteristic makes its refrigerant enclosed volume in air-conditioning system receive certain limitation.For guaranteeing its Security, reduce the refrigerant enclosed volume and be necessary.And in the compressor, refrigerator oil and refrigerant mix, and solubility is higher, and the enclosed volume that reduces refrigerator oil so just can reduce the enclosed volume of refrigerant in the air-conditioning system.This is very important to the HC cold medium compressor.
As shown in Figure 1; Common compressor design does; Through the injection amount of high refrigerator oil, guarantee the pasta higher (lower end surface that is higher than cylinder 7) of compressor housing, make refrigerator oil in the compressor in housing with compression chamber in differential pressure action under; Get into the vane slot of cylinder 7, slide plate 11 is lubricated.
Its working principle is: bent axle 3 drives piston 6 and is eccentric motion, and the slide plate 11 that cylinder 7 vane slots are taken in contacts with piston 6 peripheries of eccentric motion all the time.So constitute the movement process of the air-breathing exhaust compression of rotary compressor.All be lubricated sealing between above-mentioned each moving element, in the compressor movement process, lodge in the refrigerator oil of bottom,, lead between each moving element through the oil feeding line that is provided with by refrigerator oil.Refrigerator oil is through the pumping effect of the blade that oils, and the pump oil that makes progress of the vertical oil through through bent axle 3 centers is through being arranged on the horizontal oilhole on the bent axle 3, fuel feeding in compression chamber.And lubricating between bent axle 3 and the main bearing 2, through the helical oil groove 5 on the main bearing 2 is set, the pump oil that makes progress from the refrigerator oil that accumulates in main bearing 2 roots, to being lubricated between main bearing 2 and the bent axle 3.Come out from helical oil groove 5 at last, flow to main bearing 2 outsides, the part refrigerator oil mixes with gaseous coolant under the percussion of exhaust, flows in the air-conditioning system.And lubricated between slide plate 11 and cylinder 7 vane slots, be through in the housing with the differential pressure action of cylinder air aspiration cavity, make lubricant oil get into cylinder 7 vane slots, slide plate 11 is lubricated.This slide plate lubricating system needs the pasta in the compressor housing enough high, guarantees that pasta is higher than the lower end surface of cylinder, and this just guarantees to make refrigerator oil get into vane slot through the effect of pressure reduction.
Summary of the invention
The object of the invention aim to provide a kind of simple and reasonable, safe in utilization, cost is low; In addition, under the situation of low pasta, both guaranteed the slide plate lubrication effect, reduced the slide plate lubricating structure of the compressor of telling oil mass again, to overcome deficiency of the prior art.
Press the slide plate lubricating structure of a kind of compressor of this purpose design, said compressor comprises press part and the motor section that is arranged in the enclosing housing; Press part comprises cylinder, is arranged on the piston in the cylinder, the bent axle that driven plunger is made eccentric rotary, interior slide plate, the main bearing that is separately positioned on the cylinder both sides and the supplementary bearing of vane slot that is arranged on cylinder, and an end of slide plate and the periphery of piston are joined; Motor section comprises stator and rotor, and stator is fixed on the inwall of enclosing housing, and rotor is fixed on the bent axle; Its structure characteristic is to be vertically arranged with oil storage tank on the cylinder vane slot, and the corresponding oil storage tank of main bearing is provided with oil through.The refrigerator oil of main bearing upper-end surface flows to the oil storage tank of cylinder through oil through, with lubricated to slide plate.
Said main bearing upper end is equipped with an oil cover.Said main bearing top is provided with groove, and oil cover root edge inboard is provided with jaw and is connected with said groove.The effect of oil cover is the gap that the oil that flows out between minimizing bent axle and the main bearing is too much flowed to stator and rotor, flow to the main bearing upper-end surface and collect more, and converge at oil through, and the inflow oil storage tank is used for lubricated slide plate; Simultaneously, also reduce the oil that flows out here and sneak in the exhaust, reduce compressor and tell oil mass.
Said compressor is following gas-discharging type compressor; Be provided with the vent that is interconnected on main bearing, cylinder and the supplementary bearing, wherein, the vent on the main bearing is equipped with the exhaust connection more than.The gas of discharging from the supplementary bearing exhaust port flows to the stator and rotor gap after being arranged on the vent on supplementary bearing, cylinder, the main bearing and being installed in the exhaust connection on the main bearing; Like this; Can cancel the main bearing silencing apparatus, also make the gas and oil path more smooth and easy, reduce compressor and tell oil mass.Simultaneously, this structure makes the blast air of compression chamber to more concentrated, has significantly reduced the probability that the fuel-displaced and exhaust at main bearing place mixes, and has further reduced the oil mass of telling of compressor.
Corresponding supplementary bearing place, said oil storage tank bottom is provided with oilhole, so that refrigerator oil flows, reduces oil storage tank place oil product temperature.
The present invention sneaks in the gaseous coolant through the oil that minimizing main bearing end goes out, and makes its flow direction lodge in the main bearing upper-end surface, through oil groove, slide plate is lubricated.Reach to reduce and tell oil mass, under the situation of low pasta, guarantee the lubrication effect of slide plate.Simultaneously, under the prerequisite of said structure, can reduce the refrigerator oil and the refrigerant enclosed volume of compressor, the efficient of air-conditioning system is improved also has certain help.It is simple and reasonable, safe in utilization, cost is low.
In addition; For general compressor arrangement; Reduce the injection amount of refrigerator oil in the compressor, compressor is under the situation of low oil mass, low pasta, can bring the serious consequence that descends of lubrication effect of slide plate portion; The reliability of compressor is affected, and is very disadvantageous to the quality of product.And the present invention makes compressor reduce the oil sealing amount through corresponding structure design, under the situation of low oil mass, low pasta, still can guarantee the lubrication effect of slide plate portion in the compressor, has reduced the oil mass of telling of compressor simultaneously again.
Description of drawings
Fig. 1 is an existing technology compressor arrangement schematic representation.
Fig. 2 is one embodiment of the invention structural representation.
Fig. 3 is a cylinder plan structure schematic representation among Fig. 2.
Fig. 4 looks up structural representation for oil cover among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 2-Fig. 4, the slide plate lubricating structure of this compressor, said compressor comprise press part and the motor section that is arranged in the enclosing housing; Press part comprises cylinder 7, is arranged on the piston 6 in the cylinder 7, the bent axle 3 that driven plunger 6 is made eccentric rotary, interior slide plate 11, the main bearing 2 that is separately positioned on cylinder 7 both sides and the supplementary bearing 8 of vane slot that is arranged on cylinder 7, and an end of slide plate 11 and the periphery of piston 6 are joined; Motor section comprises stator 15 and rotor 14, and stator 15 is fixed on the inwall of enclosing housing, and rotor 14 is fixed on the bent axle 3.Be vertically arranged with oil storage tank 12 on cylinder 7 vane slots, main bearing 2 corresponding oil storage tanks 12 are provided with oil through 13.
Main bearing 2 upper ends are equipped with an oil cover 1.Main bearing 2 tops are provided with groove, and oil cover 1 root edge inboard is provided with jaw 1.1 and is connected with said groove.Compressor is following gas-discharging type compressor; Be equipped with the vent that is interconnected on main bearing 2, cylinder 7 and the supplementary bearing 8, wherein, the vent on the main bearing 2 is equipped with an exhaust connection 4.Supplementary bearing 8 is provided with exhaust port, is provided with outlet valve 10 in the exhaust port.
Above-mentioned oil storage tank 12 bottoms also can be provided with oilhole in corresponding supplementary bearing 8 places.
Its working principle is: in compressor housing, hang down under the situation of oil mass, low pasta; Lodge in a small amount of refrigerator oil of compressor bottom, through under the oil pumps that are arranged on bent axle 3 ends 9 effects, upwards fuel feeding carries out fuel feeding through the horizontal oil through of bent axle to compression chamber.The refrigerator oil that accumulates in main bearing 2 roots is under the effect of helical oil groove 5; Upwards flow rapidly, flow out main bearing 2 then, under the effect of oil cover 1; Refrigerator oil flows to the upper-end surface of main bearing 2 roots along the gap between the periphery of main bearing 2 and oil cover 1 and the main bearing 2; Through being arranged on the oil through 13 on the main bearing 2, flow to cylinder 7 oil storage tanks 12 at last, slide plate 11 is lubricated.
Claims (5)
1. the slide plate lubricating structure of a compressor, said compressor comprise press part and the motor section that is arranged in the enclosing housing; Press part comprises cylinder (7), is arranged on the piston (6) in the cylinder (7), the bent axle (3) that driven plunger (6) is made eccentric rotary, interior slide plate (11), the main bearing (2) that is separately positioned on cylinder (7) both sides and the supplementary bearing (8) of vane slot that is arranged on cylinder (7), and the periphery of an end of slide plate (11) and piston (6) is joined; Motor section comprises stator (15) and rotor (14), and stator (15) is fixed on the inwall of enclosing housing, and rotor (14) is fixed on the bent axle (3); It is characterized in that being vertically arranged with oil storage tank (12) on cylinder (7) vane slot, the corresponding oil storage tank of main bearing (2) (12) is provided with oil through (13).
2. according to the slide plate lubricating structure of the said compressor of claim 1, it is characterized in that said main bearing (2) upper end is equipped with an oil cover (1).
3. according to the slide plate lubricating structure of the said compressor of claim 2, it is characterized in that said main bearing (2) top is provided with groove, oil cover (1) root edge inboard is provided with jaw (1.1) and is connected with said groove.
4. according to the slide plate lubricating structure of claim 1 or 2 or 3 said compressors, it is characterized in that said compressor is following gas-discharging type compressor; Be provided with the vent that is interconnected on main bearing (2), cylinder (7) and the supplementary bearing (8), wherein, the vent on the main bearing (2) is equipped with the exhaust connection (4) more than.
5. according to the slide plate lubricating structure of claim 1 or 2 or 3 said compressors, it is characterized in that the corresponding supplementary bearing in said oil storage tank (12) bottom (8) locates to be provided with oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101592718A CN102828955A (en) | 2011-06-14 | 2011-06-14 | Slide plate lubricating structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101592718A CN102828955A (en) | 2011-06-14 | 2011-06-14 | Slide plate lubricating structure of compressor |
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| Publication Number | Publication Date |
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| CN102828955A true CN102828955A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101592718A Pending CN102828955A (en) | 2011-06-14 | 2011-06-14 | Slide plate lubricating structure of compressor |
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| Country | Link |
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| CN (1) | CN102828955A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893767A (en) * | 2017-11-09 | 2018-04-10 | 珠海凌达压缩机有限公司 | The lubricating system and compressor and air conditioner of compressor |
| CN112855538A (en) * | 2021-01-20 | 2021-05-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body and compressor |
| CN114320925A (en) * | 2021-12-30 | 2022-04-12 | 西安交通大学 | Reduce rotary compressor ODR's oil separator and rotary compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530071Y (en) * | 2001-12-31 | 2003-01-08 | 上海日立电器有限公司 | Arranged upper silencer of rotary compressor |
| CN2861558Y (en) * | 2005-11-10 | 2007-01-24 | 上海日立电器有限公司 | Oil make-up structure of blade groove |
| JP2009127507A (en) * | 2007-11-22 | 2009-06-11 | Fujitsu General Ltd | Rotary compressor |
| CN201771763U (en) * | 2010-05-31 | 2011-03-23 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN201771773U (en) * | 2010-06-02 | 2011-03-23 | 广东美芝制冷设备有限公司 | Rotary type compressor |
-
2011
- 2011-06-14 CN CN2011101592718A patent/CN102828955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530071Y (en) * | 2001-12-31 | 2003-01-08 | 上海日立电器有限公司 | Arranged upper silencer of rotary compressor |
| CN2861558Y (en) * | 2005-11-10 | 2007-01-24 | 上海日立电器有限公司 | Oil make-up structure of blade groove |
| JP2009127507A (en) * | 2007-11-22 | 2009-06-11 | Fujitsu General Ltd | Rotary compressor |
| CN201771763U (en) * | 2010-05-31 | 2011-03-23 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN201771773U (en) * | 2010-06-02 | 2011-03-23 | 广东美芝制冷设备有限公司 | Rotary type compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893767A (en) * | 2017-11-09 | 2018-04-10 | 珠海凌达压缩机有限公司 | The lubricating system and compressor and air conditioner of compressor |
| CN107893767B (en) * | 2017-11-09 | 2020-08-11 | 珠海凌达压缩机有限公司 | Lubricating system of compressor, compressor and air conditioner |
| CN112855538A (en) * | 2021-01-20 | 2021-05-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body and compressor |
| CN114320925A (en) * | 2021-12-30 | 2022-04-12 | 西安交通大学 | Reduce rotary compressor ODR's oil separator and rotary compressor |
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Application publication date: 20121219 |