CN105422459B - Scroll compressor having a plurality of scroll members - Google Patents

Scroll compressor having a plurality of scroll members Download PDF

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Publication number
CN105422459B
CN105422459B CN201410474294.1A CN201410474294A CN105422459B CN 105422459 B CN105422459 B CN 105422459B CN 201410474294 A CN201410474294 A CN 201410474294A CN 105422459 B CN105422459 B CN 105422459B
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oil
pressure
oily
recess
vortex part
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CN105422459A (en
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赵跟辉
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Copeland Suzhou Co Ltd
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Emerson Climate Technologies Suzhou Co Ltd
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Abstract

The present invention relates to a scroll compressor. According to one aspect, a scroll compressor comprises: a compression mechanism adapted to compress a working fluid and comprising an orbiting scroll member and a non-orbiting scroll member joined to define a series of working fluid pockets; and a lubricant source. Be provided with compression mechanism oil supply unit in compression mechanism, compression mechanism oil supply unit includes: an oil supply member adapted to be in fluid communication with a source of lubricant; an oil receiving member adapted to receive lubricant for delivery to the working fluid receiving chamber; an oil delivery intermediate member adapted to be intermittently in fluid communication with the oil supplying member and the oil receiving member; and a pressure applying member coupled with the oil delivery intermediate member so as to be capable of applying pressure to the oil delivery intermediate member. According to the present invention, smooth flow and delivery of the lubricating oil can be ensured, thereby achieving stable constant supply of the lubricating oil in the compression mechanism.

Description

Screw compressor
Technical field
The present invention relates to screw compressor, more particularly, to a kind of quantifying for stabilization in compression mechanism fueller There is the screw compressor of improvements in terms of fuel feeding.
Background technology
Compressor (such as screw compressor) can apply in such as refrigeration system, air-conditioning system and heat pump.Whirlpool Revolving compressor includes the compression mechanism for compression work fluid (such as refrigerant), compression mechanism and then including dynamic vortex part With determine vortex part.In the running, there is phase between the dynamic vortex part and determine vortex part of compression mechanism in screw compressor To motion.In order to reduce abrasion and reduction power consumption, it is necessary to dynamic to improve to compression mechanism offer lubrication (such as supplying lubricating oil) Friction between scroll element and determine vortex part, at the same produced oil film can also improve the sealing of compression mechanism so as to Improve volumetric efficiency.
For the lubrication of compression mechanism, the excessive supply or very few supply of lubricating oil all can be to the normal of compression mechanism Operating is adversely affected.As a result, it is desirable to be reliably achieved the weight feed of lubricating oil.Moreover, it is further desirable that In the lubricating oil supplies with quantitative function, it is ensured that the smooth supply of lubricating oil.
Here, it is noted that the technology contents provided in this part are intended to contribute to those skilled in the art couple The understanding of the present invention, and not necessarily constitute prior art.
The content of the invention
Total summary of the present invention is provided in this part, rather than complete scope of the present invention or all features of the invention is complete Face is disclosed.
Quantitative fuel feeding can be reliably achieved it is an object of the present invention to provide one kind and avoids lubricating in compression mechanism The screw compressor of excessive supply or the very few supply of oil.
It is a further object of the present invention to provide a kind of smooth outflow for being able to ensure that lubricating oil and conveying so as to realize compression The screw compressor of the weight feed of the stabilization of lubricating oil in mechanism.
One or more of to achieve these goals, according to the present invention, there is provided a kind of screw compressor.It is described to be vortexed Compressor includes:Compression mechanism, the compression mechanism is suitable to compression work fluid and including dynamic vortex part and determine vortex portion Part, the dynamic vortex part engages to limit a series of activities fluid containment room, the compression with the determine vortex part Mechanism also includes the fluid inspiration zone for being used to collect the working fluid for waiting to be supplied to the working fluid accommodating chamber;And lubrication Agent source, the lubricant source stores the lubricant for lubricating the compression mechanism.Compression is provided with the compression mechanism Mechanism fueller, the compression mechanism fueller includes:Oily delivery member, the oily delivery member is suitable to and the lubrication Agent fluid communication;Oily receiving member, the oily receiving member is suitable to receive lubricant to deliver the lubricant to the work Make fluid containment room;Oil transportation intermediate member, the oil transportation intermediate member is suitable to receive structure with the oily delivery member and the oil Part is intermittently in fluid communication;And pressure applies component, the pressure apply component couple with the oil transportation intermediate member so that Pressure can be applied to the oil transportation intermediate member.
According to the present invention, in compression mechanism fueller, due to be provided with operating according to screw compressor and interval The quantitative recess of ground connection, therefore, it is possible to be reliably achieved quantitative fuel feeding and avoid in compression mechanism the excessive supply of lubricating oil or Very few supply.Further, since pressure-driven passage is set for the recess for for example playing quantitative effect, therefore, it is possible to remove oil and sending oil During realize pressure differential, so that it is guaranteed that smooth outflow and the conveying of lubricating oil, and finally realize in compression mechanism and lubricate The weight feed of the stabilization of oil.
Brief description of the drawings
By description referring to the drawings, the feature and advantage of one or more embodiments of the invention will become more Plus be readily appreciated that, in the accompanying drawings:
Fig. 1 is the longitudinal section for showing to apply the screw compressor of the compression mechanism fueller according to the present invention;
Fig. 2 is to show to include the dynamic vortex of a part for the compression mechanism fueller according to first embodiment of the invention The diagram of part;
Fig. 3 is to show to include the determine vortex of a part for the compression mechanism fueller according to first embodiment of the invention The diagram of part;
Fig. 4 A-4D are respectively schematically to show showing according to the compression mechanism fueller of first embodiment of the invention A series of diagrams of four states of example sex work process;
Fig. 5 A and 5B are respectively schematically to show the compression mechanism fueller according to second embodiment of the invention The diagram of two particular states of exemplary operation;
Fig. 6 A and 6B are respectively schematically to show the compression mechanism fueller according to third embodiment of the invention The diagram of two particular states of exemplary operation;And
Fig. 7 A and 7B are two works for respectively schematically showing the compression mechanism fueller according to variant of the invention Make the diagram of state.
Embodiment
With reference to the accompanying drawings, by illustrative embodiments, the present invention will be described in detail.To the following detailed of the present invention Thin description is definitely not to the present invention and its application or the limitation of purposes merely for the sake of demonstration purpose.
First, reference picture 1 summarily describes to apply the screw compressor of the compression mechanism fueller according to the present invention Structure (Fig. 1 is the longitudinal section for the screw compressor for showing to apply the compression mechanism fueller according to the present invention).
As shown in figure 1, screw compressor 10 can include in the substantially housing 12 of tubular, electro-motor 14, drive shaft 16, Main bearing seat 18, dynamic vortex part 22, determine vortex part 24 and baffle plate 25.Dynamic vortex part 22 and determine vortex part 24 can be with Constitute the compression mechanism CM suitable for compression work fluid (such as refrigerant).Compression mechanism can be provided with compression mechanism CM Fueller OD.
Lid 26 at the top 23 of housing 12 and the base portion 28 at the bottom 31 of housing 12 can be attached to shell Body 12, so as to define the internal capacity 30 of screw compressor 10.Base portion 28 can have multiple legs 29.Such as lubricating oil Lubricant can be stored in the moving component (example for lubricating vortex air-compressor 10 in the oil sump OR in the bottom 31 of housing 12 Such as dynamic vortex part 22 and determine vortex part 24).It is pointed out here that oil sump OR is used as the lubricant according to the present invention Source.
Discharge accessory 32 and suction accessory 34 can be arranged at lid 26.Discharge the inside of accessory 32 and screw compressor 10 Volume 30 is in fluid communication and suitable for high-pressure refrigerant of the discharge through overcompression.Suck outside accessory 34 and screw compressor 10 Fluid pipeline fluid is sucked to connect and suitable for sucking uncompressed low pressure refrigerant.
Electro-motor 14 is driven to drive shaft 16 so that drive shaft 16 rotates about axis 92 and revolved relative to shell 12 Turn.Electro-motor 14 can include:The stator 40 regularly supported by housing 12 (stator 40 and then can include through stator 40 The winding 42 of setting);And for example it is press-fitted in the rotor 44 in drive shaft 16.
Drive shaft 16 can include cam pin 46, cam pin 46 be attached to drive shaft 16 first end (top) 48 or with The first end 48 of drive shaft 16 is integrally formed.A part for drive shaft 16 is by the base bearing 50 that is arranged in main bearing seat 18 Hold.
Drive shaft 16 can include centre bore 52 and eccentric orfice 56, and centre bore 52 is formed at the second end (bottom of drive shaft 16 End) at 54, eccentric orfice 56 extends upwardly to the end surface 58 of cam pin 46 from centre bore 52.The end (lower end) of centre bore 52 60 can be immersed in the oil sump OR at the bottom 31 of the housing 12 of screw compressor 10, so that for example because of the rotation of drive shaft 16 Then lubricating oil can be conveyed from the oil sump OR at bottom 31 in the presence of the eccentric force produced, and flow up lubricating oil Flowed out by centre bore 52 and eccentric orfice 56 and from the end surface 58 of cam pin 46.
The lubricating oil flowed out from the end surface 58 of cam pin 46, which can be flowed to, for example to be formed in cam pin 46 and dynamic whirlpool Revolve part 22 between and between main bearing seat 18 and dynamic vortex part 22 lubricating oil feed region 59 (here, it should be pointed out that , lubricating oil feed region 59 is as the lubricant source according to the present invention).Lubricating oil in lubricating oil feed region 59 can be with To the rotation junction surface between such as cam pin 46 and dynamic vortex part 22 and between main bearing seat 18 and dynamic vortex part 22 It is lubricated with slidingsurface.Moreover, will such as be described further below, the lubricating oil in lubricating oil feed region 59 may be used also To be supplied to compression mechanism fueller OD.In this respect, alternatively it is possible to by from oil sump OR along housing 12 The oil supply gallery 84 that inner wall surface extends upwardly to compression mechanism CM (such as determine vortex part 24) supplies lubricating oil to compression Mechanism fueller OD (rather than by internal holes of drive shaft 16).
It is pointed out here that instead of the eccentric fuel feeding scheme of above-mentioned example or being additional to above-mentioned example bias Fuel feeding scheme, can set pumping installations (pumping installations is for example driven by drive shaft 16) at the bottom 54 of drive shaft 16, So that the lubricating oil in oil sump OR is delivered up to lubricating oil feed region 59 by the internal holes of drive shaft 16.In addition, it is necessary to , it is noted that in the case of such as high-pressure side screw compressor, oil sump OR may be at the internal capacity of screw compressor 10 Higher-pressure region in 30, thus the lubricating oil in oil sump OR bear high-pressure and be delivered up by the internal holes of drive shaft 16 It is delivered up to lubricating oil feed region 59 or by oil supply gallery 84 to compression mechanism fueller.Additionally, it should manage Solution, lubricating oil be delivered up by the internal holes of drive shaft 16 to lubricating oil feed region 59 on the way in will can also lubricate Oil supply is to the part lubricated the need on the way.
Dynamic vortex part 22 can be arranged in main bearing seat 18, and is axially supported and led by main bearing seat 18 Bearing block 18, which is supported to, can carry out moving.The hub portion 61 of dynamic vortex part 22 can be rotatably coupled to cam pin 46.Replace For property, hub portion 61 can be rotatably coupled to cam pin 46 via sleeve pipe or bearing 63.Dynamic vortex part 22 is included from it Upper surface (the opposite surface of dynamic vortex) 62 helical forms upwardly extended of the radial direction central portion of substrate move scrollwork 64.
Determine vortex part 24 is for example attached to main bearing seat 18 using machanical fastener.Determine vortex part 24 is included from its base Lower surface (the opposite surface of determine vortex) 69 helical forms extended downwardly of plate determine scrollwork 68.Determine vortex part 24 can also include from The annular flange portion 65 positioned at its radial outside that its substrate is extended downwardly.Determine scrollwork 68 to be suitable to engage with dynamic scrollwork 64, so that Limit a series of crescent working fluid accommodating chambers.These accommodating chambers include the relatively low suction accommodating chamber 79 of unclosed pressure The compressed container room 73,75,77 for the pressure increase closed is (it is pointed out here that suction accommodating chamber 79 is used as basis The first working fluid accommodating chamber of the present invention, and compressed container room 77 is used as the second working fluid accommodating chamber according to the present invention). Unclosed suction accommodating chamber 79 is used for what receiving was sucked via suction accessory 34 with the radial outside positioned at compression mechanism CM The fluid inspiration zone 71 of low pressure refrigerant is connected, with from fluid inspiration zone 71 receive low pressure refrigerant (here, it should be pointed out that It is that fluid inspiration zone 71 is used as the oily receiving member according to the present invention).The compressed container room closed can include just closing Outside compressed container room 77, positioned at outside compressed container room radially inner side intermediate compression accommodating chamber 75 (such as a pair or It is multipair) and radial center positioned at compression mechanism central compressed accommodating chamber 73.
Dynamic vortex part 22 is driven via drive shaft 16 (being specially cam pin 46) by electro-motor 14, so as to borrow Help cross slip-ring 66 and can be carried out relative to determine vortex part 24 translation rotation i.e. moving (that is, the axle of dynamic vortex part 22 Line revolves round the sun relative to the axis of determine vortex part 24, but both dynamic vortex part 22 and determine vortex part 24 itself be not around it The rotation of respective axis).Thus, from determining each accommodating chamber that scrollwork 68 and dynamic scrollwork 64 limit inside from radial outside to footpath Side is changed into outside compressed container room 77 from unclosed suction accommodating chamber 79 during moving and is changed into intermediate compression accommodating chamber again 75 are changed into central compressed accommodating chamber 73 (have maximum pressure) again, and volume is gradually from large to small.So, the pressure in accommodating chamber Power also gradually rises, thus the working fluid (such as refrigerant) in accommodating chamber (compressed container room) by compression and it is final from positioned at Outlet 70 at the radial center of the substrate of determine vortex part 24 is expelled to internal capacity 30 and then via the discharge row of accessory 32 Go out to the housing 12 of screw compressor 10, be achieved in the working cycles of the suction, compression and discharge of working fluid.
The compression mechanism fueller according to first embodiment of the invention is described referring to Fig. 2, Fig. 3 and Fig. 4 A-4D OD.Wherein, Fig. 2 is to show to include the dynamic vortex of a part for the compression mechanism fueller according to first embodiment of the invention The diagram of part, Fig. 3 is to show to include determining for a part for the compression mechanism fueller according to first embodiment of the invention The diagram of scroll element, and Fig. 4 A-4D are respectively schematically to show to be supplied according to the compression mechanism of first embodiment of the invention A series of diagrams of four states of the exemplary operation of oily device.
In the first embodiment, compression mechanism fueller OD includes:Oil supplying hole 112;Oil storage recess 114;Remove oil recessed Portion 116;And oil groove (the first oil groove) 118.It is pointed out here that oil supplying hole 112 is used as being supplied according to the oil of the present invention Component, oil storage recess 114 is used separately as according to oil transportation intermediate member of the invention with oily recess 116 is removed, and oil groove 118 is used as root According to the oily receiving member of the present invention.
Oil supplying hole 112 is formed at dynamic vortex part 22.The outer end opening of oil supplying hole 112 is in the substrate of dynamic vortex part 22 Radially outer upper surface 74 (it is pointed out here that upper surface 74 be used as according to the present invention dynamic vortex abut table Face).The inner of oil supplying hole 112 is connected with forming the fuel supply path 122 in the substrate of dynamic vortex part 22.Fuel supply path 122 Lubricating oil feed region 59 that can be from above extends out to the inner or very of oil supplying hole 112 in a substantially radial direction To the outer surface of the substrate for extending to dynamic vortex part 22, (the latter is conducive to the machining of fuel supply path 122, and can adopt The radial outer end of fuel supply path 122 is closed with plug).So, the lubricating oil with certain pressure can be for example from oil sump OR, the internal holes (such as centre bore 52 and eccentric orfice 56) of drive shaft 16, lubricating oil feed region 59, fuel supply path 122 and by It is delivered to oil supplying hole 112.
Oil storage recess 114 is formed at determine vortex part 24.Oil storage recess 114 (outer end) is opened on determine vortex part 24 Flange part 65 lower surface 67 (it is pointed out here that lower surface 67 be used as according to the present invention determine vortex abut table Face).The outer end opening of oil storage recess 114 can for circular or any other suitable shape (such as Long Circle or crescent, this Kind of shape is it is advantageously ensured that oil storage recess 114 and other intermittent communications for associating components and being also beneficial to oil storage recess 114 and storing up Deposit appropriate lubricating oil), as long as the appropriate intermittent communication as described below with other associated members can be realized.
Oily recess 116 is removed to be formed at dynamic vortex part 22.Remove oily recess 116 (outer end) and be opened on dynamic vortex part 22 Substrate upper surface 62.Remove oily recess 116 be arranged to it is adjacent with oil supplying hole 112.Removing the outer end opening of oily recess 116 can be Circular or any other suitable shape, as long as the appropriate intermittent communication as described below with other associated members can be realized .
Oil groove 118 is formed on the lower surface 67 of the flange part 65 of determine vortex part 24.Oil groove 118 can be in substantially to bend Shape.The first end 1181 of oil groove 118 be arranged to it is adjacent with oil storage recess 114, and the second end 1182 of oil groove 118 with it is described above Fluid inspiration zone 71 connect.
Form oil supplying hole 112 at dynamic vortex part 22 and remove oily recess 116 with the moving of dynamic vortex part 22 Moving.
In the first embodiment, compression mechanism fueller OD oil supplying hole 112, oil storage recess 114, remove oily recess 116 and oil groove 118 be located so that:Oil storage recess 114 is located on the moving track of oil supplying hole 112, and the He of oil storage recess 114 The first end 1181 of oil groove 118, which is located at, removes on the moving track of oily recess 116.In other words, when screw compressor 10 is operated, with Dynamic vortex part 22 and carry out moving under the driving of drive shaft 16, oil supplying hole 112 and oil storage recess 114 intermittently connect so as to To oil storage recess 114 convey lubricating oil, and remove oily recess 116 at a time intermittently connected with oil storage recess 114 so as to Collect lubricating oil from oil storage recess 114 and intermittently connected with the first end 1181 of oil groove 118 at subsequent another moment with Just lubricating oil is conveyed to oil groove 118.So, lubricating oil flow enters each hold to fluid inspiration zone 71 then as working fluid Room is received to lubricate the dynamic vortex part 22 and determine vortex part 24 of compression mechanism, and finally with the working fluid through overcompression Discharged together from outlet 70.Preferably, the lubricating oil discharged from outlet 70 separates with working fluid and is back to oil sump OR Circulated next time with doing.
In the first embodiment, oil storage recess 114 and/or the size of oily recess 116 is removed (for example, diameter, length, width Degree, depth or other sizes) oil storage recess 114 can be appropriately designed so that and/or oily recess 116 is removed with specific body Product.Thus, the lubricating oil specifically measured in each moving cycle can enter oil storage recess 114 and/or remove oily recess 116. In one example, oil storage recess 114 and/or remove oily recess 116 can have 5mm to the diameter and 1mm between 10mm extremely Depth between 10mm so that oil storage recess 114 and/or remove the volume of oily recess 116 (and therefore in each moving cycle It is temporarily stored in oil storage recess 114 and/or removes the volume of the lubricating oil in oily recess 116) it is about 19mm3To 785mm3.With this side Formula, can be directed to specific screw compressor type design oil storage recess 114 and/or remove the designated volume of oily recess 116, so that Realize compression mechanism fueller OD quantitative/dosage oil supply function and eliminate in compression mechanism the excessive supply of lubricating oil or Very few supply problem.
In the first embodiment, pressure-driven passage (first pressure driving passage) is provided with dynamic vortex part 22 130 (it is pointed out here that pressure-driven passage 130 is used as applying component according to the pressure of the present invention).Pressure-driven is led to Road 130 has the inner (adopting pressure side/first end) 132 of the upper surface 62 for the substrate for being opened on dynamic vortex part 22.Pressure-driven Passage 130 can in a substantially radial direction be extended outward into from the inner 132 to be connected with removing the inner of oily recess 116.The inner 132 can To be located so that:(X) when removing oily recess 116 and being connected with oil storage recess 114, the inner 132 in suction accommodating chamber 79 so that Lower pressure (negative relative) promotion in suction accommodating chamber 79 removes oily recess 116 and collects lubricating oil from oil storage recess 114;And And, (Y), when removing oily recess 116 and being connected with the first end 1181 of oil groove 118, the inner 132 is in such as outside compressed container room 77, so that the elevated pressures (with respect to malleation) in outside compressed container room 77 promote to convey lubricating oil to oil groove 118.With this side Formula, can eliminate for example due to oil storage recess 114 and remove oily recess 116 be blind hole and due to a lack of pressure during removing oil and sending oil Difference and the flowing (profit particularly between two blind holes --- oil storage recess 114 and remove oily recess 116 --- for being unfavorable for lubricating oil Lubricating oil is conveyed), so as to promote the smooth outflow of lubricating oil and conveying in compression mechanism fueller.
For example, when in the region RG that the inner 132 is positioned on the upper surface 62 of dynamic vortex part 22 as shown in figs. 4 a-4d When, above-mentioned (X) state and above-mentioned (Y) state can be achieved.Here, it will be appreciated that region RG can be according to different scroll compressions Type number (such as with different scrollwork molded line) and change.
In the first embodiment, the setting of oil groove 118 allows to oil supplying hole 112, oil storage recess 114 and removes oily recessed Portion 116 is arranged close in region RG that is, positioned at region RG radial outside, so that can shorten pressure-driven passage 130 and hereafter by the length of another pressure-driven passage being described (i.e. pressure-driven passage 135).
Here, it will be appreciated that even only realize a kind of state in above-mentioned (X) state and above-mentioned (Y) state, also may be used To promote the smooth outflow of lubricating oil and conveying in compression mechanism fueller.For example, the inner 132 can also be located so that: When removing oily recess 116 and being connected with oil storage recess 114, the inner 132 is in suction accommodating chamber 79, and when removing oily recess 116 and oil When the first end 1181 of groove 118 is connected, the inner 132 is not at such as outside compressed container room 77 but is for example just determined scrollwork 68 axial end covering.
The size (such as cross-sectional area) of pressure-driven passage 130, which can be appropriately designed, to obtain suitable Smooth outflow and conveying of the pressure difference to promote lubricating oil while avoid the improper leakage of working fluid or lubricating oil direct Flow into suction accommodating chamber.Furthermore it is possible to consider, set suitable reducing-flow structure (such as bent in the inside of pressure-driven passage 130 Folded structure), flow directly into suction accommodating chamber for example to suppress lubricating oil.
The exemplary operation of compression mechanism fueller OD according to first embodiment of the invention is described below Four states.
In first state as shown in Figure 4 A, oil supplying hole 112 is connected with oil storage recess 114 so as to oil storage recess 114 Convey lubricating oil.
In the second state as shown in Figure 4 B, oil supplying hole 112, oil storage recess 114, oily recess 116 and oil groove 118 are removed Do not connected between any two but respectively by the lower surface 67 of the flange part 65 of determine vortex part 24 or dynamic whirlpool in first end 1181 The upper surface 74 of rotation part 22 is covered.
In the third state as shown in Figure 4 C, remove oily recess 116 and connected with oil storage recess 114 so as to from oil storage recess 114 collect lubricating oil.Now, the inner 132 of pressure-driven passage 130 is in the relatively low suction accommodating chamber of unclosed pressure 79, so that lower pressure (negative relative) promotion sucked in accommodating chamber 79 removes oily recess 116 and collects lubrication from oil storage recess 114 Oil.
In the 4th state as shown in Figure 4 D, remove oily recess 116 and connected with the first end 1181 of oil groove 118 so as to oil Groove 118 conveys lubricating oil.Now, the inner 132 of pressure-driven passage 130 is in such as outside compressed container room 77, so that outside Elevated pressures (with respect to malleation) in side compression accommodating chamber 77 promote to convey lubricating oil to oil groove 118.
The compression mechanism fueller OD according to second embodiment of the invention is described referring to Fig. 5 A and 5B.Wherein, Fig. 5 A and 5B are the exemplary works for respectively schematically showing the compression mechanism fueller according to second embodiment of the invention Make the diagram of two particular states of process.
It is real according to second except adding the pressure-driven passage (second pressure driving passage) 135 for oil storage recess 114 Apply the compression mechanism fueller OD of mode in structure with the compression mechanism fuel feeding described above according to first embodiment Device OD is identical.It is pointed out here that pressure-driven passage 135 is used as applying component according to the pressure of the present invention.
As shown in Figure 5 A and 5B, pressure-driven passage 135 is provided with determine vortex part 24.Pressure-driven passage 135 The inner (adopting pressure side/first end) 137 of lower surface 69 with the substrate for being for example opened on determine vortex part 24.Pressure-driven is led to Road 135 can be extended outward into from the inner 137 relative to inclined to be connected with removing the inner of oily recess 116.It is inner 137 can be positioned so that:(X) when oil supplying hole 112 is connected with oil storage recess 114, the inner 137 is in suction accommodating chamber 79, Lubricating oil is promoted to be conveyed from oil supplying hole 112 to oil storage recess 114 so as to suck the lower pressure (negative relative) in accommodating chamber 79 (as shown in Figure 5A);Also, (Y), when removing oily recess 116 and being connected with oil storage recess 114, the inner 137 is in for example outer side compression Accommodating chamber 77, thus elevated pressures (with respect to malleation) in outside compressed container room 77 promote lubricating oil from oil storage recess 114 to Remove the oily conveying lubricating oil of recess 116 (as shown in Figure 5 B).Especially, as shown in Figure 5 B, when removing oily recess 116 and oil storage recess During 114 connection, negative relative is not only applied by pressure-driven passage 130 and promotes to remove oily recess 116 and is received from oil storage recess 114 Lubrication is taken, and applies also by pressure-driven passage 135 and promotes oil storage recess 114 defeated to oily recess 116 is removed with respect to malleation Send lubricating oil.In this way, it is possible to further eliminate for example due to oil storage recess 114 and remove oily recess 116 and be blind hole and removing Oil and sending be unfavorable for due to a lack of pressure difference during oil lubricating oil flowing (particularly two blind holes --- oil storage recess 114 and Remove oily recess 116 --- between lubricating oil conveying), so that further promote compression mechanism fueller in lubricating oil it is smooth Flowing and conveying.Here, similarly, it will be appreciated that even only realize one in above-mentioned (X) state and above-mentioned (Y) state The state of kind, can also promote the smooth outflow of lubricating oil and conveying in compression mechanism fueller.
Here, can be only as the modification of the compression mechanism fueller according to second embodiment of the invention The pressure-driven passage 135 for oil storage recess 114 being located at determine vortex part 24 is set, and is not provided with being located at dynamic vortex portion Being used at part 22 removes the pressure-driven passage 130 of oily recess 116.According to the modification, compression mechanism confession can also be improved The smooth outflow of lubricating oil and conveying in oily device.
The compression mechanism fueller OD according to third embodiment of the invention is described referring to Fig. 6 A and 6B.Wherein, Fig. 6 A and 6B are the exemplary works for respectively schematically showing the compression mechanism fueller according to third embodiment of the invention Make the diagram of two particular states of process.
Except oil groove (the second oil groove) 118C is arranged at dynamic vortex part 22 and oil groove 118C connects with removing oily recess 116 Connect (for good and all connect), according to the compression mechanism fueller OD of the 3rd embodiment in structure with described above according to the The compression mechanism fueller OD of one embodiment is identical.It is pointed out here that oil groove 118C is used as according to the present invention's Oil transportation intermediate member.
As shown in Figure 6 A and 6B, for example the upper table of the substrate in generally arcuate oil groove 118C formation in dynamic vortex part 22 On face 74.Oil groove 118C is connected with removing oily recess 116 (in other words, oil groove 118C and to be removed oily recess 116 and unites two into one and under Sometimes oil groove-remove oily recess combination will be referred to as in text), and oil groove 118C the second end 1182C is arranged to and fluid Suction area 71 is intermittently connected.
In the example shown in the series of figures, fluid inspiration zone 71 includes extension slot 711 (being for example arranged at determine vortex part 24), and And oil groove 118C the second end 1182C can intermittently be connected with extension slot 711.Here, it will be appreciated that the second of oil groove 118C End 1182C can also intermittently be connected with the body of fluid inspiration zone 71, so as to omit extension slot 711.
In the example shown in the series of figures, what is connected with pressure-driven passage 130 removes first end of the oily recess 116 in oil groove 118C Oil groove 118C is connected at 1181C.It will be appreciated, however, that remove oily recess 116 can also oil groove 118C other parts (example Such as oil groove 118C pars intermedia) place is connected to oil groove 118C.
In working condition as shown in Figure 6A, oil groove-remove oily recess combination is connected with oil storage recess 114, is now pressed The inner 132 of power driving passage 130 is in suction accommodating chamber 79, from there through the application negative relative of pressure-driven passage 130 Oil groove-remove oily recess combination is promoted to collect lubricating oil from oil storage recess 114.
In working condition as shown in Figure 6B, the extension slot 711 of oil groove-remove oily recess combination and fluid inspiration zone 71 Connection, now the inner 132 of pressure-driven passage 130 is logical from there through pressure-driven in such as outside compressed container room 77 Road 130 applies promotes lubricating oil to be delivered to fluid inspiration zone 71 from oil groove-remove oily recess combination with respect to malleation.
Here, as the modification of the compression mechanism fueller according to third embodiment of the invention, it is convenient to omit Generally arcuate oil groove.For example, can by oil supplying hole 112, oil storage recess 114 and remove oily recess 116 be arranged to and fluid suck Area 71 is adjacent so that oil storage recess 114 is located on the moving track of oil supplying hole 112, and oil storage recess 114 and fluid inspiration zone 71 be located at remove on the moving track of oily recess 116.In other words, when screw compressor 10 is operated, as dynamic vortex part 22 exists Moving is carried out under the driving of drive shaft 16, oil supplying hole 112 is intermittently connected so as to defeated to oil storage recess 114 with oil storage recess 114 Lubricating oil is sent, and removes oily recess 116 and at a time intermittently connects to receive from oil storage recess 114 with oil storage recess 114 Take lubricating oil and directly intermittently connect directly to inhale to fluid with fluid inspiration zone 71 at subsequent another moment Enter the conveying of area 71 lubricating oil.In this way, the structure of compression mechanism is simplified due to omission oil groove.
According to the compression mechanism fueller of the present invention, intermittently connected according to the operating of screw compressor due to being provided with Logical quantitative recess, the excessive supply or very few of lubricating oil in compression mechanism is avoided therefore, it is possible to be reliably achieved quantitative fuel feeding Supply.Further, since pressure-driven passage is set for the recess for for example playing quantitative effect, therefore, it is possible to remove oil and sending oily process In realize pressure differential, so that it is guaranteed that smooth outflow and the conveying of lubricating oil, and finally realize lubricating oil in compression mechanism Stable weight feed.
A variety of different modifications can be allowed according to the compression mechanism fueller of the present invention.
Although being arranged on described above is oil supplying hole at dynamic vortex part, however, oil supplying hole can also be arranged on determine vortex At part.(Fig. 7 A and 7B are respectively schematically to show the compression mechanism fuel feeding according to variant of the invention by reference picture 7A and 7B The diagram of two working conditions of device), the oil supply gallery 84 (also referring to Fig. 1) extended from the bottom 31 of housing 12 can be passed through The peripheral part of main bearing seat 18 and determine vortex part 24 and the upper surface 86 for extending to determine vortex part 24, so that with being formed fixed Fuel supply path 94 in scroll element 24 is connected.Fuel supply path 94 can be extended to from the upper surface 86 of determine vortex part 24 determines whirlpool The lower surface 67 of the flange part 65 of part 24 is revolved, is made so that oil supplying hole is played in the lower end for being opened on lower surface 67 of fuel supply path 94 With.In addition, be formed with the upper surface 74 of the substrate of dynamic vortex part 22 oil storage recess 114D (it is pointed out here that Oil storage recess 114D is used as the oil transportation intermediate member according to the present invention).Thus, oil storage recess 114D is with dynamic vortex part 22 Moving and moving, thus oil storage recess 114D at a time intermittently connected with the lower end of fuel supply path 94 so as to lubricating oil from Fuel supply path 94 conveys (reference picture 7A) to oil storage recess 114D and oil storage recess 114D is in subsequent another moment and fluid Suction area 71 intermittently connects lubricating oil being delivered to fluid inspiration zone 71 (reference picture 7B).It should be also set up in modification There is the pressure-driven passage 130D for oil storage recess 114D so that when the lower end interval of oil storage recess 114D and fuel supply path 94 Negative relative is applied and/or as oil storage recess 114D to oil storage recess 114D by pressure-driven passage 130D when ground is connected Relative malleation is applied to oil storage recess 114D by pressure-driven passage 130D when intermittently being connected with fluid inspiration zone 71.This In, it will be appreciated that it can also be set at determine vortex part 24 from the extension of fluid inspiration zone 71 for example in generally arcuate oil Groove, and oil storage recess 114D intermittently connects with one end of oil groove rather than with fluid inspiration zone 71.
Although applying structure as pressure described above is the pressure-driven passage 130,135 coupled with working fluid accommodating chamber The example of part, it being understood, however, that the pressure of other forms apply component be also it is feasible (for example mechanical compression device or with The pressure-driven passage of other pressure source connections).
According to the present invention compression mechanism fueller can apply to high-pressure side screw compressor can also be applied to it is low Press side screw compressor.
In addition, for the present invention, any feature described for a certain embodiment can be incorporated into any other implementations Mode, unless incompatible.For example, in third embodiment of the present invention, the pressure for oil storage recess 114 can also be added Power drives passage 135.
In a word, in the screw compressor according to the present invention, following advantageous scheme can be included.
In the screw compressor according to the present invention, the compression mechanism fueller is configured so that:According to described dynamic Scroll element is relative to the moving of the determine vortex part, and the oil transportation intermediate member connects with the oily delivery member and the oil Component is received intermittently to be in fluid communication.
In the screw compressor according to the present invention, it is pressure-driven passage that the pressure, which applies component, and the pressure drives The first end of dynamic passage couple with the working fluid accommodating chamber and the pressure-driven passage the second end and the oil transportation Intermediate member couples.
In the screw compressor according to the present invention, the pressure-driven passage is configured and adapted to according to the working fluid Pressure change in accommodating chamber and apply pressure to the oil transportation intermediate member.
In the screw compressor according to the present invention, the pressure-driven passage is configured so that:In the middle of the oil transportation Apply negative relative to the oil transportation intermediate member when component collects lubricant, and/or, when the oil transportation intermediate member is defeated Apply relative malleation to the oil transportation intermediate member when going out lubricant.
In the screw compressor according to the present invention, the pressure-driven passage is configured so that:In the middle of the oil transportation The component first end of the pressure-driven passage first working fluid appearance relatively low with the pressure not yet closed when collecting lubricant Receive room fluid communication, and/or, when the oil transportation intermediate member export lubricant when the pressure-driven passage first end It is in fluid communication with the second higher working fluid accommodating chamber of the pressure closed.
In the screw compressor according to the present invention, the oily delivery member includes being arranged at the confession of the dynamic vortex part Oilhole, the oil transportation intermediate member includes being arranged at the oil storage recess of the determine vortex part and is arranged at the dynamic vortex portion Part removes oily recess, and the oily receiving member includes the fluid inspiration zone or being arranged at the determine vortex part with the stream First oil groove of body suction area connection, the pressure-driven passage include being arranged at the dynamic vortex part with described to remove oil recessed The first pressure driving passage of portion's connection, and the moving according to the dynamic vortex part relative to the determine vortex part, institute Oil supplying hole is stated with the oil storage recess to be intermittently in fluid communication so as to the oil storage recess conveyor lubricant, it is described to remove oily recess At a time intermittently it is in fluid communication to apply negative relative in first pressure driving passage with the oil storage recess In the case of collect lubricant from the oil storage recess, and described remove oily recess and inhaled in subsequent another moment and the fluid Enter area or first oil groove is intermittently in fluid communication to drive the situation of the relative malleation of passage application in the first pressure It is lower to the fluid inspiration zone or the first oil groove conveyor lubricant.
In the screw compressor according to the present invention, substitute first pressure driving passage or be additional to described first Pressure-driven passage, the pressure-driven passage includes be arranged at the determine vortex part couple with the oil storage recess the Two pressure-driven passages, and the second pressure drives when the oil supplying hole is intermittently in fluid communication with the oil storage recess Passage applies negative relative, and/or, when described in described remove when oily recess and the oil storage recess are intermittently in fluid communication the Two pressure-driven passages apply relative malleation.
In the screw compressor according to the present invention, first oil groove is in generally arcuate, and first oil groove First end removes that oily recess is intermittently in fluid communication and the second end of first oil groove couples with the fluid inspiration zone with described.
In the screw compressor according to the present invention, the oil supplying hole and described remove oily recess and be arranged on the dynamic vortex portion In the dynamic vortex abutment surface of part, the determine vortex that the oil storage recess and first oil groove are arranged on the determine vortex part is supported Connect on surface, the dynamic vortex abutment surface is abutted against with the determine vortex abutment surface.
In the screw compressor according to the present invention, the oily delivery member includes being arranged at the confession of the dynamic vortex part Oilhole, the oil transportation intermediate member includes being arranged at the oil storage recess of the determine vortex part and is arranged at the dynamic vortex portion Part removes oily recess and the second oil groove, it is described remove oily recess and be coupled to each other with second oil groove remove oily recess-oil so as to constitute Groove combination, the oily receiving member is the fluid inspiration zone, and the pressure-driven passage includes being arranged at the dynamic vortex Part with described remove the first pressure that oily recess couples and drives passage, and fixed relative to described according to the dynamic vortex part The moving of scroll element, the oil supplying hole is intermittently in fluid communication with the oil storage recess to be moistened to be conveyed to the oil storage recess Lubrication prescription, the oily recess-oil groove combination of removing at a time intermittently is in fluid communication so as to described with the oil storage recess First pressure driving passage apply negative relative in the case of collect lubricant from the oil storage recess, and it is described remove oil it is recessed Portion-oil groove combination is intermittently in fluid communication so as in the first pressure at subsequent another moment and the fluid inspiration zone To the fluid inspiration zone conveyor lubricant in the case of the relative malleation of driving passage application.
In the screw compressor according to the present invention, substitute first pressure driving passage or be additional to described first Pressure-driven passage, the pressure-driven passage includes be arranged at the determine vortex part couple with the oil storage recess the Two pressure-driven passages, and the second pressure drives when the oil supplying hole is intermittently in fluid communication with the oil storage recess Passage applies negative relative, and/or, remove oily recess-oil groove combination and the oil storage recess intermittently fluid when described The second pressure driving passage applies relative malleation during connection.
In the screw compressor according to the present invention, the fluid inspiration zone includes the body from the fluid inspiration zone Extension slot of the formation of extension at the determine vortex part, it is described to remove oily recess-oil groove combination and extension slot interval Ground is in fluid communication.
In the screw compressor according to the present invention, second oil groove is in generally arcuate, and second oil groove First end removes that oily recess couples and the second end of second oil groove is intermittently in fluid communication with the fluid inspiration zone with described.
In the screw compressor according to the present invention, second oil groove is in generally arcuate, also, second oil groove First end is intermittently in fluid communication with the oil storage recess, and the second end of second oil groove and the fluid inspiration zone are intermittently It is in fluid communication, and described removes the pars intermedia that oily recess is attached between the first end of second oil groove and the second end.
In the screw compressor according to the present invention, the oil supplying hole, oily recess and second oil groove removed are set In the dynamic vortex abutment surface of the dynamic vortex part, the determine vortex that the oil storage recess is arranged on the determine vortex part is supported Connect on surface, the dynamic vortex abutment surface is abutted against with the determine vortex abutment surface.
In the screw compressor according to the present invention, the outer end opening of the oil storage recess is in Long Circle or crescent.
In the screw compressor according to the present invention, the oily delivery member includes being arranged at the confession of the determine vortex part Oilhole, the oil transportation intermediate member includes the oil storage recess for being arranged at the dynamic vortex part, and the oily receiving member includes institute State fluid inspiration zone or be arranged at the oil groove coupled with the fluid inspiration zone of the determine vortex part, the pressure-driven is led to Road includes the pressure-driven passage coupled with the oil storage recess for being arranged at the dynamic vortex part, and according to the dynamic whirlpool Revolve moving of the part relative to the determine vortex part, the oil storage recess at a time with the oil supplying hole intermittently fluid Lubricant is collected from the oil supplying hole in the case of connecting to apply negative relative in the pressure-driven passage, and it is described Oil storage recess is intermittently in fluid communication so as in the pressure at subsequent another moment with the fluid inspiration zone or the oil groove To the fluid inspiration zone or the oil groove conveyor lubricant in the case of the relative malleation of power driving passage application.
In the screw compressor according to the present invention, the first end of the pressure-driven passage is opened on the dynamic vortex portion The opposite surface of dynamic vortex of part or the opposite surface of determine vortex for being opened on the determine vortex part, the opposite surface of dynamic vortex It is mutually facing with the opposite surface of the determine vortex, and be engaged with each other to limit the dynamic vortex of the working fluid accommodating chamber The dynamic scrollwork of part and the determine vortex part to determine scrollwork opposite from the opposite surface of the dynamic vortex and the determine vortex respectively Surface extends.
In the screw compressor according to the present invention, the lubricant source is the bottom of the housing positioned at the screw compressor Oil sump being used for either around the cam pin on the top of the drive shaft of the screw compressor in portion, which keeps in, comes from institute State the lubricating oil feed region of the lubricant of oil sump.
In present specification, the use of directional terminology " top ", " bottom ", "up" and "down" etc. is only merely for being easy to description Purpose, and be not construed as restricted.
Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention is not The embodiment be described in detail and shown in text is confined to, in the situation without departing from claims limited range Under, those skilled in the art can make various changes to illustrative embodiments.

Claims (20)

1. a kind of screw compressor (10), including:
Compression mechanism (CM), the compression mechanism (CM) suitable for compression work fluid and including dynamic vortex part (22) and determines whirlpool Part (24) is revolved, the dynamic vortex part (22) engages to limit a series of activities fluid with the determine vortex part (24) Accommodating chamber (73,75,77,79), the compression mechanism also includes being used to collect to wait to be supplied to the working fluid accommodating chamber The fluid inspiration zone (71) of the working fluid of (73,75,77,79);And
Lubricant source, the lubricant source stores the lubricant for lubricating the compression mechanism (CM),
Wherein, compression mechanism fueller (OD), the compression mechanism fueller are provided with the compression mechanism (CM) (OD) include:
Oily delivery member, the oily delivery member is suitable to be in fluid communication with the lubricant source;
Oily receiving member, the oily receiving member is suitable to receive lubricant to deliver the lubricant to the working fluid receiving Room (73,75,77,79);
Oil transportation intermediate member, the oil transportation intermediate member is suitable to intermittently flow with the oily delivery member and the oily receiving member Body is connected;And
Pressure applies component, and the pressure applies component and oil transportation intermediate member connection so as to in the middle of the oil transportation Component applies pressure.
2. screw compressor (10) according to claim 1, wherein, the compression mechanism fueller (OD) is configured to make :Moving according to the dynamic vortex part (22) relative to the determine vortex part (24), the oil transportation intermediate member and institute State oily delivery member and the oily receiving member is intermittently in fluid communication.
3. screw compressor (10) according to claim 1, wherein, it is pressure-driven passage that the pressure, which applies component, (130,130D, 135), first end (132,137) and the working fluid of the pressure-driven passage (130,130D, 135) The second end and the oil transportation intermediate member of accommodating chamber (77,79) connection and the pressure-driven passage (130,130D, 135) Connection.
4. screw compressor (10) according to claim 3, wherein, pressure-driven passage (130,130D, the 135) structure Cause to the oil transportation intermediate member to apply suitable for the pressure change in the working fluid accommodating chamber (77,79) and press Power.
5. screw compressor (10) according to claim 3, wherein, pressure-driven passage (130,130D, the 135) structure Cause so that:Apply negative relative to the oil transportation intermediate member when the oil transportation intermediate member collects lubricant, and/or Person, relative malleation is applied when the oil transportation intermediate member exports lubricant to the oil transportation intermediate member.
6. screw compressor (10) according to claim 3, wherein, pressure-driven passage (130,130D, the 135) structure Cause so that:The first end of the pressure-driven passage (130,130D, 135) when the oil transportation intermediate member collects lubricant (132,137) are in fluid communication with the first relatively low working fluid accommodating chamber (79) of the pressure not yet closed, and/or, work as institute State oil transportation intermediate member output lubricant when the pressure-driven passage (130,130D, 135) first end (132,137) with The second higher working fluid accommodating chamber (77) of pressure through closing is in fluid communication.
7. screw compressor (10) according to claim 3, wherein:
The oily delivery member includes being arranged at the oil supplying hole (112) of the dynamic vortex part (22),
The oil transportation intermediate member includes being arranged at the oil storage recess (114) of the determine vortex part (24) and is arranged at described Dynamic vortex part (22) removes oily recess (116),
The oily receiving member includes the fluid inspiration zone (71) or being arranged at the determine vortex part (24) with the stream The first oil groove (118) of body suction area (71) connection,
The pressure-driven passage (130) includes being arranged at the oily recess (116) of removing joining for the dynamic vortex part (22) The first pressure driving passage (130) connect, and
Moving according to the dynamic vortex part (22) relative to the determine vortex part (24), the oil supplying hole (112) and institute Oil storage recess (114) is stated intermittently to be in fluid communication so as to oil storage recess (114) conveyor lubricant, it is described to remove oily recess (116) at a time intermittently it is in fluid communication to drive passage in the first pressure with the oil storage recess (114) (130) lubricant is collected from the oil storage recess (114) in the case of applying negative relative, and described removes oily recess (116) Intermittently it is in fluid communication so as in institute with the fluid inspiration zone (71) or first oil groove (118) at subsequent another moment First pressure driving passage (130) is stated to apply in the case of relative malleation to the fluid inspiration zone (71) or first oil groove (118) conveyor lubricant.
8. screw compressor (10) according to claim 7, wherein:
Substitute the first pressure driving passage (130) or be additional to the first pressure driving passage (130), the pressure Driving passage (135) includes being arranged at the second pressure coupled with the oil storage recess (114) of the determine vortex part (24) Passage (135) is driven, and
The second pressure driving passage when the oil supplying hole (112) and the oil storage recess (114) are intermittently in fluid communication (135) negative relative is applied, and/or, remove oily recess (116) and the oil storage recess (114) intermittently fluid when described The second pressure driving passage (135) applies relative malleation during connection.
9. screw compressor (10) according to claim 7, wherein, first oil groove (118) is in generally arcuate, and The first end (1181) of first oil groove (118) is intermittently in fluid communication and first oil with the oily recess (116) of removing The second end (1182) of groove (118) couples with the fluid inspiration zone (71).
10. screw compressor (10) according to claim 7, wherein, the oil supplying hole (112) and described remove oily recess (116) in the dynamic vortex abutment surface (74) for being arranged on the dynamic vortex part (22), the oil storage recess (114) and described One oil groove (118) is arranged in the determine vortex abutment surface (67) of the determine vortex part (24), the dynamic vortex abutment surface (74) abutted against with the determine vortex abutment surface (67).
11. screw compressor (10) according to claim 3, wherein:
The oily delivery member includes being arranged at the oil supplying hole (112) of the dynamic vortex part (22),
The oil transportation intermediate member includes being arranged at the oil storage recess (114) of the determine vortex part (24) and is arranged at described Dynamic vortex part (22) removes oily recess (116) and the second oil groove (118C), described to remove oily recess (116) and second oil groove (118C) is coupled to each other and removes oily recess-oil groove combination so as to constitute,
The oily receiving member is the fluid inspiration zone (71),
The pressure-driven passage (130) includes being arranged at the oily recess (116) of removing joining for the dynamic vortex part (22) The first pressure driving passage (130) connect, and
Moving according to the dynamic vortex part (22) relative to the determine vortex part (24), the oil supplying hole (112) and institute Oil storage recess (114) is stated intermittently to be in fluid communication so as to oil storage recess (114) conveyor lubricant, it is described remove oily recess- Oil groove combination is at a time intermittently in fluid communication with the oil storage recess (114) so as to logical in first pressure driving Lubricant is collected in road (130) in the case of applying negative relative from the oil storage recess (114), and described removes oily recess-oil Groove combination is intermittently in fluid communication so as in the first pressure at subsequent another moment and the fluid inspiration zone (71) To the fluid inspiration zone (71) conveyor lubricant in the case of the relative malleation of driving passage (130) application.
12. screw compressor (10) according to claim 11, wherein:
Substitute the first pressure driving passage (130) or be additional to the first pressure driving passage (130), the pressure Driving passage (135) includes being arranged at the second pressure coupled with the oil storage recess (114) of the determine vortex part (24) Passage (135) is driven, and
The second pressure driving passage when the oil supplying hole (112) and the oil storage recess (114) are intermittently in fluid communication (135) negative relative is applied, and/or, remove oily recess-oil groove combination and the oil storage recess (114) interval when described Ground second pressure driving passage (135) application malleation relatively when being in fluid communication.
13. screw compressor (10) according to claim 11, wherein, the fluid inspiration zone (71) is included from the stream Body suction area (71) body extension formation determine vortex part (24) place extension slot (711), it is described remove oil it is recessed Portion-oil groove combination is intermittently in fluid communication with the extension slot (711).
14. screw compressor (10) according to claim 11, wherein, second oil groove (118C) in generally arcuate, And the first end (1181C) of second oil groove (118C) couples and second oil groove with the oily recess (116) of removing Second end (1182C) of (118C) is intermittently in fluid communication with the fluid inspiration zone (71).
15. screw compressor (10) according to claim 11, wherein, second oil groove (118C) in generally arcuate, Also, the first end (1181C) of second oil groove (118C) is intermittently in fluid communication with the oil storage recess (114), described The second end (1182C) of second oil groove (118C) is intermittently in fluid communication with the fluid inspiration zone (71), and it is described remove oil it is recessed Portion (116) is attached to the pars intermedia between the first end (1181C) of second oil groove (118C) and the second end (1182C).
16. screw compressor (10) according to claim 11, wherein, the oil supplying hole (112), described remove oily recess (116) it is arranged on second oil groove (118C) in the dynamic vortex abutment surface (74) of the dynamic vortex part (22), it is described Oil storage recess (114) is arranged in the determine vortex abutment surface (67) of the determine vortex part (24), and the dynamic vortex abuts table Face (74) is abutted against with the determine vortex abutment surface (67).
17. the screw compressor (10) according to any one of claim 3 to 16, wherein, the pressure-driven passage The first end (132,137) of (130,130D, 135) be opened on the dynamic vortex part (22) the opposite surface of dynamic vortex (62) or Person is opened on the opposite surface of determine vortex (69) of the determine vortex part (24), the opposite surface of dynamic vortex (62) with it is described fixed The opposite surface (69) that is vortexed is mutually facing, and is engaged with each other to limit the working fluid accommodating chamber (73,75,77,79) The dynamic scrollwork (64) of the dynamic vortex part (22) and the determine vortex part (24) determine scrollwork (68) respectively from the dynamic whirlpool Revolve opposite surface (62) and the opposite surface of the determine vortex (69) extension.
18. the screw compressor (10) according to any one of claim 7 to 16, wherein, the oil storage recess (114) Outer end opening is in Long Circle or crescent.
19. screw compressor (10) according to claim 3, wherein:
The oily delivery member includes being arranged at the oil supplying hole of the determine vortex part (24),
The oil transportation intermediate member includes the oil storage recess (114D) for being arranged at the dynamic vortex part (22),
The oily receiving member includes the fluid inspiration zone (71) or being arranged at the determine vortex part (24) with the stream The oil groove of body suction area (71) connection,
The pressure-driven passage (130D) includes being arranged at the dynamic vortex part (22) with the oil storage recess (114D) The pressure-driven passage (130D) of connection, and
Moving according to the dynamic vortex part (22) relative to the determine vortex part (24), the oil storage recess (114D) exists The a certain moment is intermittently in fluid communication to apply negative relative in the pressure-driven passage (130D) with the oil supplying hole In the case of collect lubricant from the oil supplying hole, and the oil storage recess (114D) is at subsequent another moment and the fluid Suction area (71) or the oil groove are intermittently in fluid communication to apply relative malleation in the pressure-driven passage (130D) In the case of to the fluid inspiration zone (71) or the oil groove conveyor lubricant.
20. the screw compressor (10) according to any one of claim 1 to 16 and 19, wherein, the lubricant source is Oil sump (OR) in the bottom (31) of the housing (12) of the screw compressor (10) or positioned at the scroll compression It is used for the temporary lubrication from the oil sump (OR) around the cam pin (46) on the top (48) of the drive shaft (16) of machine (10) The lubricating oil feed region (59) of agent.
CN201410474294.1A 2014-09-17 2014-09-17 Scroll compressor having a plurality of scroll members Active CN105422459B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1715667A (en) * 2004-06-28 2006-01-04 乐金电子(天津)电器有限公司 Oil supply structure for screw compressor
CN101182843A (en) * 2007-12-07 2008-05-21 美的集团有限公司 Scroll compressor and control method thereof
CN102155406A (en) * 2010-12-15 2011-08-17 湖南华强电气有限公司 Oil returning method and oil returning structure of scroll compressor
CN103244411A (en) * 2012-02-14 2013-08-14 日立空调·家用电器株式会社 Scroll compressor
JP2013227955A (en) * 2012-04-27 2013-11-07 Hitachi Appliances Inc Scroll compressor
CN204113658U (en) * 2014-09-17 2015-01-21 艾默生环境优化技术(苏州)有限公司 Scroll compressor having a plurality of scroll members

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1715667A (en) * 2004-06-28 2006-01-04 乐金电子(天津)电器有限公司 Oil supply structure for screw compressor
CN101182843A (en) * 2007-12-07 2008-05-21 美的集团有限公司 Scroll compressor and control method thereof
CN102155406A (en) * 2010-12-15 2011-08-17 湖南华强电气有限公司 Oil returning method and oil returning structure of scroll compressor
CN103244411A (en) * 2012-02-14 2013-08-14 日立空调·家用电器株式会社 Scroll compressor
JP2013227955A (en) * 2012-04-27 2013-11-07 Hitachi Appliances Inc Scroll compressor
CN204113658U (en) * 2014-09-17 2015-01-21 艾默生环境优化技术(苏州)有限公司 Scroll compressor having a plurality of scroll members

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