CN201771763U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN201771763U CN201771763U CN2010202209682U CN201020220968U CN201771763U CN 201771763 U CN201771763 U CN 201771763U CN 2010202209682 U CN2010202209682 U CN 2010202209682U CN 201020220968 U CN201020220968 U CN 201020220968U CN 201771763 U CN201771763 U CN 201771763U
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- cylinder
- oil groove
- oil
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- rotary compressor
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- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 238000001574 biopsy Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The utility model discloses a rotary compressor. The rotary compressor comprises a compression component arranged in a shell, wherein the compression component comprises a cylinder, a piston arranged in the cylinder, a crankshaft for driving the piston to rotate, a slip sheet arranged in a slip sheet groove of the cylinder, and a main bearing and an auxiliary bearing which are arranged on the side face of the cylinder; one end of the slip sheet is connected with the periphery of the piston, and the other end of the slip sheet is connected with a spring; the spring is arranged in a spring hole; the side face of the slip sheet groove is provided with an oil groove communicated with the slip sheet groove; the oil groove is not communicated with the spring hole and is communicated with an oil pool at the bottom of the shell through an oil supply passage; the first minimum distance between one side of the open end of the oil groove and the nearest end of the slip sheet groove opposite to the oil groove is greater than or equal to one tenth of the length of the slip sheet groove; and the second minimum distance between the other side of the open end of the oil groove and the nearest end of the slip sheet groove opposite to the oil groove is greater than or equal to one tenth of the length of the slip sheet groove. The rotary compressor has the characteristics that: the rotary compressor is flexible to operate and has high energy efficiency ratio and wide application range.
Description
Technical field
The utility model relates to a kind of rotary compressor.
Background technique
Disclosing a kind of blade groove among the Chinese patent literature CN86104225 has the rotary compressor of pressure ditch, this rotary compressor is the boost pressure ditch in the cylinder vane slot, purpose is to apply a pressure to offset the transverse force that slide plate enters one section in cylinder by this pressure ditch to slide plate, stipulates on its structure that this pressure ditch must directly pass to the assurance fuel feeding mutually with the oil in the oil sump.But because the position of pressure ditch directly influences this technology final effect, and improper high pressure oil or the pressurized gas of directly causing of pressure ditch design enter air aspiration cavity inside by this pressure ditch, cause compressor performance sharply to worsen.
The model utility content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, Energy Efficiency Ratio height, rotary compressor applied widely, to overcome deficiency of the prior art.
A kind of rotary compressor by this purpose design, comprise the compression assembly that is arranged in the housing, compression assembly comprises cylinder, is arranged on the piston in the cylinder, the bent axle that driven plunger is rotated, interior slide plate, the main bearing that is arranged on the cylinder side and the supplementary bearing of vane slot that is arranged on cylinder, one end of slide plate and the periphery of piston are joined, the other end and the spring of slide plate join, spring is arranged in the spring eye, the side that it is characterized in that vane slot is provided with the oil groove that communicates with it, and oil groove and spring eye are not connected.
Described oil groove communicates with the oil sump that is positioned at housing bottom by oil supply gallery.
One side of the opening end of described oil groove to first minimum range of a nearest end of the vane slot relative with it more than or equal to 1/10th of the length of vane slot; The opposite side of the opening end of oil groove to second minimum range of a nearest end of the vane slot relative with it more than or equal to 1/10th of the length of vane slot.
The A/F of described oil groove is less than or equal to the twice of the width of vane slot.
Described oil groove is arranged on the relative both sides of vane slot.
The cross section semicircular in shape of described oil groove, half elliptic, square or trapezoidal.
Described oil supply gallery comprises the longitudinal hole that is arranged in the bent axle, be provided with the supplementary bearing oilhole in the supplementary bearing, bent axle is positioned at the supplementary bearing region and is provided with bent axle countershaft section radial direction oil hole, one end of this bent axle countershaft section radial direction oil hole communicates with longitudinal hole, the other end of bent axle countershaft section radial direction oil hole communicates with an end of supplementary bearing oilhole, and the other end of supplementary bearing oilhole communicates with oil groove.
The upper-end surface of described cylinder is provided with cylinder upper-end surface oil groove, and an end of this cylinder upper-end surface oil groove communicates with oil groove, and the other end of cylinder upper-end surface oil groove communicates with the cylinder-bore on being arranged on cylinder; Cylinder-bore runs through the upper-end surface and the lower end surface of cylinder.
Described oil supply gallery comprises the longitudinal hole that is arranged in the bent axle, be provided with the main bearing oilhole in the main bearing, bent axle is positioned at the main bearing region and is provided with crank spindle section radial direction oil hole, one end of this crank spindle section radial direction oil hole communicates with longitudinal hole, the other end of crank spindle section radial direction oil hole communicates with an end of main bearing oilhole, and the other end of main bearing oilhole communicates with oil groove.
The lower end surface of described cylinder is provided with cylinder lower end surface oil groove, and an end of this cylinder lower end surface oil groove communicates with oil groove, and the other end of cylinder lower end surface oil groove is opened in the housing.
The utility model is provided with the oil groove that communicates with it by the side at vane slot, by limiting oil groove with respect to position at vane slot, both reached and reduced slide plate and vane slot friction power loss, and reached again and reduce the inner leakage of compression chamber, realized improving the purpose of compressor efficiency by the slide plate end face.Through the proof repeatedly of experiment repeatedly: the efficiency of compressor promotes about about 2%, and effect is quite obvious.
The technological scheme that the utility model provides is not only applicable to the single cylinder rotary compressor, and is applicable to duplex-cylinder rotary compressor, and it has simple and reasonable, flexible operation, Energy Efficiency Ratio height and advantage of wide range of application.
Description of drawings
Fig. 1 is the utility model first embodiment's a broken section structural representation.
Fig. 2 is the cylinder biopsy cavity marker devices structure for amplifying schematic representation among first embodiment.
Fig. 3 is the utility model second embodiment's a broken section structural representation.
Fig. 4 is the cylinder biopsy cavity marker devices structure for amplifying schematic representation among second embodiment.
Fig. 5 is the utility model the 3rd embodiment's a broken section structural representation.
Fig. 6 is the cylinder biopsy cavity marker devices structure for amplifying schematic representation among the 3rd embodiment.
Among the figure: 1 is main bearing, and 1.1 is the main bearing oilhole, and 2 is bent axle, and 2.1 is bent axle countershaft section radial direction oil hole, 2.2 be crank spindle section radial direction oil hole, 2.3 is longitudinal hole, 3 is oil pump, and 4 is cylinder, 4.1 be spring eye, 4.2 is cylinder-bore, 4.3 is vane slot, 5 is supplementary bearing, and 6 is oil groove, and 7 is cylinder upper-end surface oil groove, 17 is cylinder lower end surface oil groove, and d0 is the A/F of oil groove, and d1 is first minimum range, d2 is second minimum range, and d3 is the length of vane slot, and d4 is the width of vane slot.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1-Fig. 2, this rotary compressor, comprise the compression assembly that is arranged in the housing, compression assembly comprises cylinder 4, be arranged on the piston in the cylinder 4, the bent axle 2 that driven plunger is rotated, be arranged on the slide plate in the vane slot 4.3 of cylinder, be arranged on the main bearing 1 and the supplementary bearing 5 of cylinder 4 sides, one end of slide plate and the periphery of piston are joined, the other end and the spring of slide plate join, spring is arranged in the spring eye 4.1, the side of vane slot 4.3 is provided with the oil groove 6 that communicates with it, oil groove 6 is not connected with spring eye 4.1, and oil groove 6 communicates with the oil sump that is positioned at housing bottom by oil supply gallery.Spring, slide plate and piston do not draw among the figure.
Oil supply gallery comprises the longitudinal hole 2.3 that is arranged in the bent axle 2, be provided with supplementary bearing oilhole 5.1 in the supplementary bearing 5, bent axle 2 is positioned at supplementary bearing 5 regions and is provided with bent axle countershaft section radial direction oil hole 2.1, one end of this bent axle countershaft section radial direction oil hole 2.1 communicates with longitudinal hole 2.3, the other end of bent axle countershaft section radial direction oil hole 2.1 communicates with an end of supplementary bearing oilhole 5.1, and the other end of supplementary bearing oilhole 5.1 communicates with oil groove 6.
Under the effect of oil pump 3, lubricant oil is supplied with from the bottom up, longitudinal hole 2.3 in the process bent axle 2 and bent axle countershaft section radial direction oil hole 2.1 are to each moving surface fuel feeding of cylinder 4, and process supplementary bearing oilhole 5.1 flows in the oil groove 6 the lubricated slide plate along with the motion of slide plate.
Oil pump in the present embodiment can adopt paddle etc.
The oil sump that is positioned at housing bottom can directly be stretched in the bottom of the bent axle 2 in the present embodiment, perhaps communicate with the longitudinal hole 2.3 of bent axle by suction pipe, and suction pipe communicates with oil sump, under the effect of oil pump, longitudinally through hole 2.3 rises and finishes lubricating function with the lubricant oil guaranteeing to be positioned at oil sump.
Because, a side of the opening end of oil groove 6 to the first minimum range d1 of a nearest end of the vane slot 4.3 relative with it more than or equal to 1/10th of the length d 3 of vane slot; The opposite side of the opening end of oil groove 6 more than or equal to 1/10th of the length d 3 of vane slot, therefore, can guarantee that the minimum oil film between slide plate and vane slot 4.3 is not destroyed to the second minimum range d2 of a nearest end of the vane slot 4.3 relative with it.
After adopting above-mentioned technological scheme, it is about about 2% that the efficiency of rotary compressor promotes, and effect is obvious.
Second embodiment
Referring to Fig. 3-Fig. 4, described oil supply gallery comprises the longitudinal hole 2.3 that is arranged in the bent axle 2, be provided with supplementary bearing oilhole 5.1 in the supplementary bearing 5, bent axle 2 is positioned at supplementary bearing 5 regions and is provided with bent axle countershaft section radial direction oil hole 2.1, one end of this bent axle countershaft section radial direction oil hole 2.1 communicates with longitudinal hole 2.3, the other end of bent axle countershaft section radial direction oil hole 2.1 communicates with an end of supplementary bearing oilhole 5.1, and the other end of supplementary bearing oilhole 5.1 communicates with oil groove 6.
The upper-end surface of described cylinder 4 is provided with cylinder upper-end surface oil groove 7, and an end of this cylinder upper-end surface oil groove 7 communicates with oil groove 6, and the other end of cylinder upper-end surface oil groove 7 communicates with cylinder-bore 4.2 on being arranged on cylinder 1.Cylinder-bore 4.2 runs through the upper-end surface and the lower end surface of cylinder 4.Cylinder-bore 4.2 is opened on the top of oil sump.
Enter into the lubricant oil behind the lubricated slide plates in the oil groove 6,, flow back to the oil sump that is positioned at housing bottom at last, form effectively circulation, and guarantee that stable fuel feeding is lubricated from oil groove 6 flow through successively cylinder upper-end surface oil groove 7 and cylinder-bore 4.2.
All the other are not stated part and see first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 5-Fig. 6, described oil supply gallery comprises the longitudinal hole 2.3 that is arranged in the bent axle 2, be provided with main bearing oilhole 1.1 in the main bearing 1, bent axle 2 is positioned at main bearing 1 region and is provided with crank spindle section radial direction oil hole 2.2, one end of this crank spindle section radial direction oil hole 2.2 communicates with longitudinal hole 2.3, the other end of crank spindle section radial direction oil hole 2.2 communicates with an end of main bearing oilhole 1.1, and the other end of main bearing oilhole 1.1 communicates with oil groove 6.
The lower end surface of described cylinder 4 is provided with cylinder lower end surface oil groove 17, and an end of this cylinder lower end surface oil groove 17 communicates with oil groove 6, and the other end of cylinder lower end surface oil groove 17 is opened in the housing.
Enter into the lubricant oil behind the lubricated slide plate in the oil groove 6, flow in the cylinder lower end surface oil groove 17 from oil groove 6, and flow back to the oil sump that is positioned at housing bottom, form effectively circulation, and guarantee that stable fuel feeding is lubricated from the other end of cylinder lower end surface oil groove 17.
All the other are not stated part and see first embodiment, no longer repeat.
Claims (10)
1. rotary compressor, comprise the compression assembly that is arranged in the housing, compression assembly comprises cylinder (4), be arranged on the piston in the cylinder (4), the bent axle (2) that driven plunger is rotated, be arranged on the interior slide plate of vane slot (4.3) of cylinder, be arranged on the main bearing (1) and the supplementary bearing (5) of cylinder (4) side, one end of slide plate and the periphery of piston are joined, the other end and the spring of slide plate join, spring is arranged in the spring eye (4.1), the side that it is characterized in that vane slot (4.3) is provided with the oil groove (6) that communicates with it, and oil groove (6) is not connected with spring eye (4.1).
2. rotary compressor according to claim 1 is characterized in that described oil groove (6) communicates with the oil sump that is positioned at housing bottom by oil supply gallery.
3. rotary compressor according to claim 1 and 2, a side of opening end that it is characterized in that described oil groove (6) to first minimum range (d1) of a nearest end of the vane slot (4.3) relative with it more than or equal to 1/10th of the length (d3) of vane slot; The opposite side of the opening end of oil groove (6) to second minimum range (d2) of a nearest end of the vane slot (4.3) relative with it more than or equal to 1/10th of the length (d3) of vane slot.
4. rotary compressor according to claim 3 is characterized in that the A/F (d0) of described oil groove (6) is less than or equal to the twice of the width (d4) of vane slot (4.3).
5. rotary compressor according to claim 4 is characterized in that described oil groove (6) is arranged on the relative both sides of vane slot (4.3).
6. rotary compressor according to claim 5 is characterized in that cross section semicircular in shape, the half elliptic, square or trapezoidal of described oil groove (6).
7. rotary compressor according to claim 6, it is characterized in that described oil supply gallery comprises the longitudinal hole (2.3) that is arranged in the bent axle (2), be provided with supplementary bearing oilhole (5.1) in the supplementary bearing (5), bent axle (2) is positioned at supplementary bearing (5) region and is provided with bent axle countershaft section radial direction oil hole (2.1), one end of this bent axle countershaft section radial direction oil hole (2.1) communicates with longitudinal hole (2.3), the other end of bent axle countershaft section radial direction oil hole (2.1) communicates with an end of supplementary bearing oilhole (5.1), and the other end of supplementary bearing oilhole (5.1) communicates with oil groove (6).
8. rotary compressor according to claim 7, the upper-end surface that it is characterized in that described cylinder (4) is provided with cylinder upper-end surface oil groove (7), one end of this cylinder upper-end surface oil groove (7) communicates with oil groove (6), and the other end of cylinder upper-end surface oil groove (7) communicates with cylinder-bore (4.2) on being arranged on cylinder (1); Cylinder-bore (4.2) runs through the upper-end surface and the lower end surface of cylinder (4).
9. rotary compressor according to claim 6, it is characterized in that described oil supply gallery comprises the longitudinal hole (2.3) that is arranged in the bent axle (2), be provided with main bearing oilhole (1.1) in the main bearing (1), bent axle (2) is positioned at main bearing (1) region and is provided with crank spindle section radial direction oil hole (2.2), one end of this crank spindle section radial direction oil hole (2.2) communicates with longitudinal hole (2.3), the other end of crank spindle section radial direction oil hole (2.2) communicates with an end of main bearing oilhole (1.1), and the other end of main bearing oilhole (1.1) communicates with oil groove (6).
10. rotary compressor according to claim 9, the lower end surface that it is characterized in that described cylinder (4) is provided with cylinder lower end surface oil groove (17), one end of this cylinder lower end surface oil groove (17) communicates with oil groove (6), and the other end of cylinder lower end surface oil groove (17) is opened in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209682U CN201771763U (en) | 2010-05-31 | 2010-05-31 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209682U CN201771763U (en) | 2010-05-31 | 2010-05-31 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771763U true CN201771763U (en) | 2011-03-23 |
Family
ID=43751609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202209682U Expired - Lifetime CN201771763U (en) | 2010-05-31 | 2010-05-31 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771763U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828955A (en) * | 2011-06-14 | 2012-12-19 | 广东美芝制冷设备有限公司 | Slide plate lubricating structure of compressor |
| CN104481883A (en) * | 2014-12-09 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104696227A (en) * | 2015-03-02 | 2015-06-10 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106014985A (en) * | 2016-06-12 | 2016-10-12 | 浙江百达精工股份有限公司 | Rotary piston compressor blade, manufacturing method of oil storing grains in rotary piston compressor blade, and compressor |
| CN106438360A (en) * | 2015-08-11 | 2017-02-22 | 台州阳光电机泵业有限公司 | Rotary air compressor head |
| CN113202760A (en) * | 2021-04-29 | 2021-08-03 | 广东美芝制冷设备有限公司 | Pump body subassembly, compressor and air conditioner |
| CN115163492A (en) * | 2022-08-16 | 2022-10-11 | 广东美芝制冷设备有限公司 | Pump body subassembly, piston compressor and refrigeration plant |
-
2010
- 2010-05-31 CN CN2010202209682U patent/CN201771763U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828955A (en) * | 2011-06-14 | 2012-12-19 | 广东美芝制冷设备有限公司 | Slide plate lubricating structure of compressor |
| CN104481883A (en) * | 2014-12-09 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104696227A (en) * | 2015-03-02 | 2015-06-10 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106438360A (en) * | 2015-08-11 | 2017-02-22 | 台州阳光电机泵业有限公司 | Rotary air compressor head |
| CN106438360B (en) * | 2015-08-11 | 2019-08-09 | 台州阳光电机泵业有限公司 | Rotary handpiece of air compressor |
| CN106014985A (en) * | 2016-06-12 | 2016-10-12 | 浙江百达精工股份有限公司 | Rotary piston compressor blade, manufacturing method of oil storing grains in rotary piston compressor blade, and compressor |
| CN106014985B (en) * | 2016-06-12 | 2018-07-17 | 浙江百达精工股份有限公司 | Rolling piston compressor |
| CN113202760A (en) * | 2021-04-29 | 2021-08-03 | 广东美芝制冷设备有限公司 | Pump body subassembly, compressor and air conditioner |
| CN115163492A (en) * | 2022-08-16 | 2022-10-11 | 广东美芝制冷设备有限公司 | Pump body subassembly, piston compressor and refrigeration plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |