CN1510301A - Vortex compressor with oil adjusting function - Google Patents
Vortex compressor with oil adjusting function Download PDFInfo
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- CN1510301A CN1510301A CNA021586039A CN02158603A CN1510301A CN 1510301 A CN1510301 A CN 1510301A CN A021586039 A CNA021586039 A CN A021586039A CN 02158603 A CN02158603 A CN 02158603A CN 1510301 A CN1510301 A CN 1510301A
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- Prior art keywords
- drain passage
- oil
- oil drain
- valve
- movable orbiting
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Abstract
A vortex compressor with oil regulating function has a sealed casing, a static vortex disk, a moving vortex disk able to move relatively to said static vortex disk, a rotary shaft for making the moving vortex disk move eccentrically and providing oil channel, and moving vortex disk supporter with central oil recepting part and oil discharge channel. Said oil discharge channel has a valve to open or close it for holding the oil pressure in a range to increase the thickness of oil film on bearing surface.
Description
Technical field
What the present invention relates to is scroll compressor, particularly be relevant invention with scroll compressor aspect of oily regulatory function.
Background technique
Shown in drawing, the scroll compressor structure includes: portion forms the shell 11 of confined space within it; The press part 21 that carries out the refrigerant compression is arranged at the top that is positioned at shell 11; The downside that is positioned at press part 21 is the motor section 41 that driving force is provided to press part 21.
Side at shell 11 is provided with the suction pipe 13 that refrigerant is sucked into from the outside, is provided with the discharge tube 15 of the refrigerant discharge that will compress at the upside of suction pipe 13.
Press part 21 structures include: the static vortex disk 22 that the fixed-wing 23 with involute shape is housed in shell 11 inside; Carry out relative movement with static vortex disk 22, and have that the rotation wing 33 with involute shape is corresponding to be provided with the movable orbiting scroll 32 that fixed-wings 23 carry out the refrigerant compression.
Upside at static vortex disk 22 is provided with the high low pressure separating plate 51 that the inner space of shell 11 is divided into hyperbaric chamber H and low pressure chamber L; There are the movable orbiting scroll of support 32 lines to rotatablely move and the face that is in contact with it is the upper support shelf 61 of bearing surface 66 at the downside of movable orbiting scroll 32; There is the upper bearing portion 62 of rotating supporting rotating shaft 45 in central authorities in upper support shelf 61, and the upside in upper bearing portion 62 has the oil in the oily accommodation section 64 are discharged to outside oil drain passage 67.
Be provided with the oil storage portion 17 of oil in reserve in the bottom of shell 11, be provided with lower support frame 81 at the upside of oil storage portion 17; The lower bearing portion 82 that supporting rotating shaft 45 lower ends are arranged on the lower support frame.
Be provided with in the upper end of running shaft 45 and can make movable orbiting scroll 32 carry out the eccentric part 49 of eccentric motion, on the axle center, then be formed with the oil supply gallery 47 that the oil in the oil storage portion 17 is offered bearing surface 66, upper bearing portion 62 and lower bearing portion 82.Be provided with oil pump 48 in the lower end of oil supply gallery 47, above the oil pump effect is when running shaft 45 is rotated by oil supply gallery 47 oil to be extracted into.
According to said structure, when running shaft 45 rotation, 32 pairs of static vortex disks of movable orbiting scroll 22 carry out line and rotatablely move, thereby by suction pipe 13, the refrigerant of inspiration compression volume S is compressed, and discharge to the hyperbaric chamber.
When running shaft 45 and oil pump 48 integrated rotations, the oil in the oil storage portion 17 is along with oil supply gallery 47 moves up, and wherein a part will be provided to lower bearing portion 82, and remainder is delivered to bearing surface to 64 discharges of oily accommodation section with oil.An oil part wherein of collecting in the oily accommodation section 64 will turn back to oil storage portion 17 again by oil drain passage 67.
But, existing scroll compressor, when compression refrigerant, the relative charge oil pressure of pressure ratio between bearing surface 66 and the movable orbiting scroll 32 is more powerful, therefore is difficult to abundant fuel feeding, more is difficult to be formed with the oil film of abundant thickness.In addition, for recovered oil, side in oily accommodation section 64 is formed with the oil drain passage 67 that the outside with top supporting frame 61 is connecting, so oil pressure can not be brought up to a certain degree, therefore, on the contact position of bearing surface 66 and movable orbiting scroll 32, will produce relative big friction and follow the heating phenomenon, thereby shorten the life-span of compressor, reduce the performance of compressor.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of under the compressor effect, the bearing surface oil mass of the supporting frame of increasing supply, minimizing brings the scroll compressor with oily regulatory function of loss because of friction.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of possess the scroll compressor that oily regulatory function is arranged, and its structure includes the shell that inside is formed with seal space; Be fixed in the static vortex disk of enclosure; Static vortex disk carries out the movable orbiting scroll of relative movement and combination formation compression refrigerant relatively; Above-below direction setting along shell can make the movable orbiting scroll eccentric motion, and there is the running shaft that the oil of outer casing underpart is offered the top oil supply gallery its inside; With contacted of movable orbiting scroll for bearing surface and support the supporting frame of movable orbiting scroll, the upper bearing of rotation supporting rotating shaft is arranged and be positioned at the upside of upper bearing and the oily accommodation section that will accommodate by the oil that oil supply gallery is supplied with in supporting frame central authorities, and the oil drain passage that the oil in the oily accommodation section can be discharged, be provided with the oil drain passage that can open and close oil drain passage at oil drain passage and open and close valve.
The invention has the beneficial effects as follows: the present invention is provided with the oil drain passage that opens and closes oil drain passage and opens and closes valve, make the oil pressure that is provided to inside can keep within the certain limit, increased the oil slick thickness of bearing surface 66, the cooling of promotion surface of contact and lubricated, friction and heating have been reduced, prolong working life, improved the service behaviour of compressor.
Description of drawings
Fig. 1 is existing scroll compressor sectional drawing;
Fig. 2 is the partial enlarged drawing of the oil drain passage of Fig. 1;
Fig. 3 is the scroll compressor sectional drawing with oily regulatory function of one embodiment of the invention;
Fig. 4 is the partial enlarged drawing of the oil drain passage of Fig. 3;
Fig. 5 is the schematic representation that the oil drain passage of Fig. 3 opens and closes the effect of valve;
Fig. 6 is the partial enlarged drawing that another embodiment of the present invention has the scroll compressor oil drain passage switching valve position of oily regulatory function.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail:
In the middle of the explanation, use same sequence number to describe below with aforementioned existing scroll compressor structure same section.
Illustrated in drawing, the present invention is a kind of scroll compressor that oily regulatory function is arranged that possesses, and its structure includes the shell 11 that inside is formed with seal space; Be fixed in the static vortex disk 22 of shell 11 inside; Static vortex disk carries out the movable orbiting scroll 32 of relative movement and combination formation compression refrigerant relatively; Above-below direction setting along shell 11 can make the movable orbiting scroll eccentric motion, and there is the running shaft 45 that the oil of outer casing underpart is offered top oil supply gallery 47 its inside; With 32 contacted of movable orbiting scrolls for bearing surface 66 and support the supporting frame 61 of movable orbiting scroll 32, the upper bearing 62 of rotation supporting rotating shaft 45 is arranged and be positioned at the upside of upper bearing 62 and the oily accommodation section 64 that will accommodate by the oil that oil supply gallery 47 is supplied with in supporting frame 61 central authorities, and the oil drain passage 67 that the oil in the oily accommodation section can be discharged, in order to regulate the oil pressure/oil mass that offers bearing surface 66, be provided with the oil drain passage that can open and close oil drain passage 67 at oil drain passage 67 and open and close valve 71.
The structure of described oil drain passage 67 includes: with the horizontal oil drain passage 68a that the axis normal of running shaft 45 forms, communicate with horizontal oil drain passage 68a and lead to outside vertical oil drain passage 68b along running shaft 45 axial directions; In horizontal oil drain passage 68a, there is the oil drain passage of the vertical oil drain passage 68b of slide opening and closing to open and close valve 71.
The side that described oil drain passage opens and closes valve 71 is provided with can be cut off vertical oil drain passage 68b and open and close the valve spring 73 that valve 71 applies elastic force and can stretch to oil drain passage.
The oil drain passage of described switching oil drain passage 67 opens and closes valve 85 and is positioned at supporting frame 61 outsides.
The described valve spring material that is arranged in supporting frame 61 outside oil drain passages switching valves 85 is to be made of leaf spring
Side at shell 11 has the suction pipe 13 and the discharge tube 15 that refrigerant can be sucked/discharge.Be provided with the high low pressure separating plate 51 that the inner space is separated into hyperbaric chamber H and low pressure chamber L at shell 11 internal upper parts.At the downside of high low pressure separating plate 51, be press part 21 with static vortex disk 22 and movable orbiting scroll 32, at the downside of press part 21 stator 43 is arranged, rotor 44 and running shaft 45 provide the motor section 41 of driving force for press part 21.Be formed with the oil supply gallery 47 that oil is upwards carried in the inside of running shaft 45, be provided with oil pump 48 in the lower end.Along the axial direction of running shaft 45,, be provided with the upper support shelf 61 and the lower support frame 81 of rotation supporting rotating shaft 45 separately at the upside and the downside of motor section 41.
In the central authorities of upper support shelf 61, to revolve axle 46 top and can be rotated in order to support, upper bearing portion 62 is housed, and in the central authorities of lower support frame 81, for supporting rotating shaft 45 lower ends and can be rotated, connecting lower bearing portion 62.
On upper support shelf 61, carry out eccentric motion in order to make movable orbiting scroll 32, the bottom of movable orbiting scroll 32 is supported in contact in the time of crooked from above, is formed with bearing surface 66; And, the oily accommodation section 64 of oil being accommodated between the movable orbiting scroll 32 is arranged between bearing surface 66 and upper bearing portion 62 along the thickness direction of upper support shelf 61.Side in oily accommodation section 64 has the oil with oily accommodation section 64 to be recovered to the oil drain passage 67 that the same outside in the oil storage portion 17 is connecting.Oil drain passage 67 comprises two-part: the axis along running shaft 45 laterally prolongs the horizontal channel 68a that comes from oily accommodation section 64; One side same level passage 68a is interconnected, and opposite side is then along the axial direction of the running shaft 45 vertical passage 68b with external communications.
Internal structure at horizontal channel 68a is: 1. slide along horizontal channel 68a, the oil drain passage that opens and closes vertical passage 68b opens and closes valve 71; 2. stretch along horizontal channel 68a, cut off vertical passage 68b, open and close that valve 71 applies elastic force and the valve spring 73 that is provided with to oil drain passage in order to make oil drain passage open and close valve 71.
Below working procedure of the present invention is described:
Said structure, when running shaft 45 rotations, refrigerant will be sucked into the inside of static vortex disk 22 and movable orbiting scroll 32 and compress, and compressed refrigerant is discharged to hyperbaric chamber h.When running shaft 45 rotations, oil pump 48 is rotated together with running shaft 45, and the rotation of oil pump 48 makes the oil in the oil storage portion 17 move up along oil supply gallery 47.On move a part of oil in the oil, offer lower bearing portion 82.Part in the oil that is continued to move up by lower bearing portion 82 offers upper bearing portion 62, and remainder oil flows to oily accommodation section 64.At this moment, oil drain passage opens and closes valve 71, according to the elastic force effect of valve spring 73, cuts off vertical passage 68b, and therefore, the oil pressure of accommodating 64 inside, oily accommodation section will rise.Thus, oil is provided to the contact position of bearing surface 66 and movable orbiting scroll 32 with high relatively pressure form, therefore, causes oil slick thickness to increase, and surface of contact is cooled off mutually and lubricate, thereby reduced friction and generate heat.
When the elastic force of the oil pressure ratio valve spring 73 of inside is big, oil drain passage opens and closes valve 71 and moves to the compressed direction of valve spring, thereby unlatching vertical passage 68b, vertical passage 68b is in case open, oil in the oil accommodation section 64 will discharge along oil drain passage 67, and is recovered in the oil storage portion 17.Oil is discharged outside, and when oil pressure is lower than the elastic force of valve spring 73, oil drain passage opens and closes valve 71 will cut off vertical passage 68b, and therefore, the oil pressure of 64 inside, oily accommodation section will be kept normally-pressured neighbor.
Fig. 6 is the enlarging section component that another embodiment of the present invention has the scroll compressor oil drain passage switching valve position of oily regulatory function.Illustrated in figure, have the scroll compressor of oily regulatory function, on the supporting frame 61, be formed with bearing surface 66 and oily accommodation section 64 at an upper portion thereof.On a side of oily accommodation section 64, be bearing surface 66.Along running shaft 45 radially, a side is communicated with oily accommodation section 64, and its opposite side is then ined succession with the outside oil drain passage 67 that connects, and, the oil drain passage that opens and closes oil drain passage 67 in the outer installment of upper support shelf 61 and open and close valve 85.
The material that oil drain passage opens and closes valve 85 usefulness is the tabular spring component of rubber-like, and reason is also can open oil drain passage 67 after the oil pressure in 64 inside, oily accommodation section surpasses certain limit.It is fixing by retaining screw 89 that oil drain passage opens and closes valve 85 1 sides, in order to limit the range of opening of oil drain passage valve 85, oil drain passage open and close valve 85 arranged outside stopper 87.
Said structure makes oil drain passage open and close valve 85, according to the elasticity of spring self, cuts off oil drain passage 67, under this state, when running shaft 45 rotations, 64 inside, oily accommodation section oil provide by oil pump 48 and accommodate into.With the increase that oil mass is provided, oil pressure rises, and therefore raises at the contact position of bearing surface 66 and movable orbiting scroll 32 supply oil pressure, and oil slick thickness will increase, and cooling and lubrication between the face of being in contact with one another are improved, and therefore reduces friction and generates heat.
When rising to than oil drain passage, the oil pressure of accommodating inside opens and closes the elastic force of valve 85 taller the time, oil drain passage opens and closes valve 85 will produce resiliently deformable laterally, thereby oil drain passage 67 is opened, oil will be discharged along oil drain passage 67, is reclaimed by oil storage portion 17; When internal oil pressure than the elastic force of oil drain passage shutter door 85 hour, oil drain passage opens and closes valve 85 will cut off oil drain passage 67, running repeatedly for this reason makes to be provided to inner oil supplying pressure and to keep within the certain limit.
Claims (5)
1. one kind possesses the scroll compressor that oily regulatory function is arranged, and its structure includes the shell that inside is formed with seal space; Be fixed in the static vortex disk of enclosure; Static vortex disk carries out the movable orbiting scroll of relative movement and combination formation compression refrigerant relatively; Above-below direction setting along shell can make the movable orbiting scroll eccentric motion, and there is the running shaft that the oil of outer casing underpart is offered the top oil supply gallery its inside; With contacted of movable orbiting scroll for bearing surface and support the supporting frame of movable orbiting scroll, the upper bearing of rotation supporting rotating shaft is arranged and be positioned at the upside of upper bearing and the oily accommodation section that will accommodate by the oil that oil supply gallery is supplied with in supporting frame central authorities, and the oil drain passage that the oil in the oily accommodation section can be discharged, it is characterized in that being provided with the oil drain passage that can open and close oil drain passage (67) at oil drain passage (67) opens and closes valve (71).
2. according to the scroll compressor described in the claim 1, the structure that it is characterized in that described oil drain passage (67) includes: with the horizontal oil drain passage (68a) that the axis normal of running shaft (45) forms, communicate with horizontal oil drain passage (68a) and lead to outside vertical oil drain passage (68b) along running shaft (45) axial direction; In horizontal oil drain passage (68a), there is the oil drain passage of the vertical oil drain passage of slide opening and closing (68b) to open and close valve (71).
3. according to the scroll compressor described in the claim 2, it is characterized in that a side that described oil drain passage opens and closes valve (71) is provided with to cut off vertical oil drain passage (68b) and open and close the valve spring (73) that valve (71) applies elastic force and can stretch to oil drain passage.
4. according to the scroll compressor described in the claim 1, it is characterized in that the oil drain passage switching valve (85) of described switching oil drain passage (67) is positioned at supporting frame (61) outside.
5. according to the scroll compressor described in the claim 4, it is characterized in that the described valve spring material that is arranged in the outside oil drain passage switching valve of supporting frame (61) (85) is to be made of leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586039A CN100375849C (en) | 2002-12-25 | 2002-12-25 | Vortex compressor with oil adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586039A CN100375849C (en) | 2002-12-25 | 2002-12-25 | Vortex compressor with oil adjusting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510301A true CN1510301A (en) | 2004-07-07 |
| CN100375849C CN100375849C (en) | 2008-03-19 |
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ID=34237075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021586039A Expired - Fee Related CN100375849C (en) | 2002-12-25 | 2002-12-25 | Vortex compressor with oil adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375849C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406737C (en) * | 2004-08-13 | 2008-07-30 | 阿耐斯特岩田株式会社 | Vacuum pump with turbination |
| CN107401509A (en) * | 2016-05-18 | 2017-11-28 | 艾默生环境优化技术(苏州)有限公司 | Oil supply device for compressor and compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247969A (en) * | 1994-03-11 | 1995-09-26 | Fujitsu General Ltd | Scroll compressor |
| US6485268B1 (en) * | 2000-10-17 | 2002-11-26 | Scroll Technologies | Oil utilized as motor protector trip for scroll compressor |
| US6413060B1 (en) * | 2001-01-23 | 2002-07-02 | Rechi Precision Co., Ltd. | Oil passage for scroll compressor |
| JP2002285981A (en) * | 2001-03-26 | 2002-10-03 | Toyota Industries Corp | Scroll-type compressor and method of feeding lubrication oil for the same |
| JP2002317778A (en) * | 2001-04-20 | 2002-10-31 | Fujitsu General Ltd | Scroll compressor |
| JP2002317776A (en) * | 2001-04-20 | 2002-10-31 | Fujitsu General Ltd | Scroll compressor |
-
2002
- 2002-12-25 CN CNB021586039A patent/CN100375849C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406737C (en) * | 2004-08-13 | 2008-07-30 | 阿耐斯特岩田株式会社 | Vacuum pump with turbination |
| CN107401509A (en) * | 2016-05-18 | 2017-11-28 | 艾默生环境优化技术(苏州)有限公司 | Oil supply device for compressor and compressor |
| CN107401509B (en) * | 2016-05-18 | 2020-03-27 | 艾默生环境优化技术(苏州)有限公司 | Oil supply device for compressor and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100375849C (en) | 2008-03-19 |
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Granted publication date: 20080319 Termination date: 20141225 |
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| EXPY | Termination of patent right or utility model |