CN105545750A - Rotary compressor and air conditioner - Google Patents
Rotary compressor and air conditioner Download PDFInfo
- Publication number
- CN105545750A CN105545750A CN201610041664.1A CN201610041664A CN105545750A CN 105545750 A CN105545750 A CN 105545750A CN 201610041664 A CN201610041664 A CN 201610041664A CN 105545750 A CN105545750 A CN 105545750A
- Authority
- CN
- China
- Prior art keywords
- oil
- guide slot
- oil guide
- rotary compressor
- main bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/809—Lubricant sump
Abstract
An embodiment of the invention discloses a rotary compressor. The rotary compressor comprises a main bearing, a secondary bearing, a cylinder and a crankshaft, wherein the main bearing and the secondary bearing are arranged on the crankshaft and are positioned at two ends of the cylinder; a part, which is in contact with the main bearing and the secondary bearing, of the cylinder is an oil pool; a first oil guiding groove, a second oil guiding groove, a first oil inlet and a first oil returning opening are formed in the inner wall of the main bearing; the first oil guiding groove communicates with the second oil guiding groove; the first oil inlet communicates with the first oil guiding groove and the oil pool; and the first oil returning opening communicates with the second oil guiding groove and the oil pool. Lubricating oil enters the first oil guiding groove from the first oil inlet, a part of lubricating oil passes through the second oil guiding groove and finally returns to the oil pool through the first oil returning opening, and the other part of lubricating oil continues lubricating the crankshaft and the main bearing via the first oil guiding groove, so that a circulating oil line is formed. The actual quantity of the lubricating oil flowing in and flowing out of the main bearing is reduced, and requirements on oil supply amount are reduced. Particularly, under the condition of oil starvation, good lubrication can still be implemented. The invention further discloses an air conditioner.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly, relate to a kind of rotary compressor and air conditioner.
Background technique
The bent axle of existing rotary contracting machine arranges an oil circuit, to lubricate bent axle and bearing support.When occurring for shortage of oil, easily occur starved lubrication, part easily weares and teares.
Therefore, how to improve the lubrication effect of rotary compressor, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rotary compressor, to improve the lubrication effect of rotary compressor;
Another object of the present invention is to provide a kind of air conditioner.
For achieving the above object, the invention provides following technological scheme:
A kind of rotary compressor, comprise main bearing, supplementary bearing, cylinder and bent axle, described main bearing and supplementary bearing to be arranged on described bent axle and to be positioned at the two ends of described cylinder, the position that described cylinder contacts with described main bearing and described supplementary bearing is oil sump, the inwall of described main bearing is provided with the first oil guide slot, second oil guide slot, first filler opening and the first return opening, wherein, described first oil guide slot and described second oil guide slot are interconnected, described first filler opening is communicated with described first oil guide slot and described oil sump, described first return opening is communicated with described second oil guide slot and described oil sump.
Preferably, in above-mentioned rotary compressor, in the shape of a spiral, and the rotation direction of described first oil guide slot is contrary with the sense of rotation of described bent axle for described first oil guide slot; In the shape of a spiral, and the rotation direction of described second oil guide slot is identical with the sense of rotation of described bent axle for described second oil guide slot.
Preferably, in above-mentioned rotary compressor, described first oil guide slot is mutually intersected with described second oil guide slot and is run through described main bearing.
Preferably, in above-mentioned rotary compressor, described first filler opening and described first return opening are arranged on the end face of described main bearing.
Preferably, in above-mentioned rotary compressor, the inwall of described supplementary bearing is provided with the 3rd oil guide slot, the 4th oil guide slot, the second filler opening and the second return opening, wherein, described 3rd oil guide slot and described 4th oil guide slot are interconnected, described second filler opening is communicated with described 3rd oil guide slot and described oil sump, and described second return opening is communicated with described 4th oil guide slot and described oil sump.
Preferably, in above-mentioned rotary compressor, in the shape of a spiral, and the rotation direction of described 3rd oil guide slot is contrary with the sense of rotation of described bent axle for described 3rd oil guide slot; In the shape of a spiral, and the rotation direction of described 4th oil guide slot is identical with the sense of rotation of described bent axle for described 4th oil guide slot.
Preferably, in above-mentioned rotary compressor, described 3rd oil guide slot is intersected mutually with described 4th oil guide slot, and runs through described supplementary bearing.
Preferably, in above-mentioned rotary compressor, described second filler opening and described second return opening are arranged on the end face of described main bearing.
Preferably, in above-mentioned rotary compressor, the middle part of described bent axle is provided with and is communicated with described oil sump Oil Guide passage.
A kind of air conditioner, comprise rotary compressor, described rotary compressor is the rotary compressor as above described in any one.
As can be seen from above-mentioned technological scheme, the difference of rotary compressor provided by the invention and existing rotary compressor is, the inwall of main bearing is provided with the first oil guide slot and the second oil guide slot, and two oil guide slot are interconnected, lubricant oil enters the first oil guide slot by the first filler opening, a part lubricant oil via the second oil guide slot eventually through the first return opening oil return pond, another part lubricant oil has continued the lubrication to bent axle and main bearing via the first oil guide slot, defines circulating oil path.The lubricants capacity of actual inflow and outflow main bearing is reduced, reduces the requirement to fuel delivery.Especially, under scarce oil condition, still good lubrication can be provided.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The sectional view of the rotary compressor that Fig. 1 provides for the embodiment of the present invention;
The plan view of the rotary compressor that Fig. 2 provides for the embodiment of the present invention;
The sectional view of the main bearing that Fig. 3 provides for the embodiment of the present invention.
Wherein, 100 be bent axle, 200 be main bearing, 201 to be the first oil guide slot, 202 be the second oil guide slot, 300 be cylinder for supplementary bearing, 301 be the 3rd oil guide slot, 302 is the 4th oil guide slot, 400,401 be oil sump.
Embodiment
Core of the present invention is to provide a kind of rotary compressor, to improve the lubrication effect of rotary compressor;
Another core of the present invention is to provide a kind of air conditioner.
Below, with reference to accompanying drawing, embodiment is described.In addition, the embodiment shown in below does not play any restriction effect to the summary of the invention described in claim.In addition, the solution that the full content of the formation below represented by embodiment is not limited to as the invention described in claim is necessary.
Refer to Fig. 1 to Fig. 3, the sectional view of the rotary compressor that Fig. 1 provides for the embodiment of the present invention; The plan view of the rotary compressor that Fig. 2 provides for the embodiment of the present invention; The sectional view of the main bearing that Fig. 3 provides for the embodiment of the present invention.
The rotary compressor that the embodiment of the present invention provides, comprise main bearing 200, supplementary bearing 300, cylinder 400 and bent axle 100, main bearing 200 and supplementary bearing 300 to be arranged on bent axle 100 and to be positioned at the two ends of cylinder 400, the position that cylinder 400 contacts with main bearing 200 and supplementary bearing 300 is oil sump 401, the inwall of main bearing 200 is provided with the first oil guide slot 201, second oil guide slot 202, first filler opening and the first return opening, wherein, first oil guide slot 201 and the second oil guide slot 202 are interconnected, first filler opening is communicated with the first oil guide slot 201 and oil sump 401, first return opening is communicated with the second oil guide slot 202 and oil sump 401.
Lubricant oil enters the first oil guide slot 201 by the first filler opening, a part lubricant oil via the second oil guide slot 202 eventually through the first return opening oil return pond 401, another part lubricant oil has continued the lubrication to bent axle 100 and main bearing 200 via the first oil guide slot 201, defines circulating oil path.The lubricants capacity of actual inflow and outflow main bearing 200 is reduced, reduces the requirement to fuel delivery.Especially, under scarce oil condition, still good lubrication can be provided.
It should be noted that, above-mentioned first oil guide slot 201 and the second oil guide slot 202 can form circulating oil path, and meanwhile, at least one in the first oil guide slot 201 and the second oil guide slot 202 can perfect lubrication main bearing 200.And the concrete shape of the first oil guide slot 201 and the second oil guide slot 202 does not limit, as long as the lubrication that can complete main bearing 200 is all in protection scope of the present invention.
In an embodiment of the invention, in the first oil guide slot 201 and the second oil guide slot 202 at least one in the shape of a spiral, bent axle 100 can ensure in rotary course, enters in a lubricant oil oil guide slot wherein.
In order to optimize such scheme further, in the shape of a spiral, and the rotation direction of the first oil guide slot 201 is contrary with the sense of rotation of bent axle 100 for the first oil guide slot 201; In the shape of a spiral, and the rotation direction of the second oil guide slot 202 is identical with the sense of rotation of bent axle 100 for second oil guide slot 202.Can ensure that lubricant oil enters in the first oil guide slot 201 as early as possible in the shape of a spiral.
First oil guide slot 201 can realize by arranging other oil guide slot with being communicated with of the second oil guide slot 202, or the two mutually intersect realize both connection, first oil guide slot 201 is intersected mutually with the second oil guide slot 202 in embodiments of the present invention, wherein, the position of intersection is away from one end of oil sump 401.
In order to improve lubricating efficiency further, at least one in the first oil guide slot 201 and the second oil guide slot 202 runs through main bearing 200.In the embodiment of the present invention, the first oil guide slot 201 and the second oil guide slot 202 all run through main bearing 200.When the lubricant oil in one of them oil guide slot reduces, another one oil guide slot can realize the lubrication of whole main bearing 200.
First filler opening and the first return opening can realize by arranging oil guiding hole on main bearing 200, and the first filler opening is communicated with the first oil guide slot 201, and being communicated with of the first return opening and the second oil guide slot 202.First filler opening and the first return opening are arranged on the end face of main bearing 200 in embodiments of the present invention, and directly realize being communicated with of the first filler opening and the first oil guide slot 201, the first return opening is communicated with the second oil guide slot 202.
Two ends due to bent axle 100 are respectively arranged with main bearing 200 and supplementary bearing 300, can significantly improve lubrication effect by making above-mentioned improvement on main bearing 200.In order to improve the complete machine lubrication effect of compressor further, in the embodiment of the present invention, also on supplementary bearing 300, make identical improvement.Particularly, the inwall of supplementary bearing 300 is provided with the 3rd oil guide slot 301, the 4th oil guide slot 302, second filler opening and the second return opening, wherein, 3rd oil guide slot 301 and the 4th oil guide slot 302 are interconnected, second filler opening is communicated with the 3rd oil guide slot 301 and oil sump 401, second return opening is communicated with the 4th oil guide slot 302 and oil sump 401.
Lubricant oil enters the 3rd oil guide slot 301 by the second filler opening, a part lubricant oil via the 4th oil guide slot 302 eventually through the second return opening oil return pond 401, another part lubricant oil has continued the lubrication to bent axle 100 and supplementary bearing 300 via the 3rd oil guide slot 301, defines circulating oil path.The lubricants capacity of actual inflow and outflow supplementary bearing 300 is reduced, reduces the requirement to fuel delivery.Especially, under scarce oil condition, still good lubrication can be provided.
It should be noted that, above-mentioned 3rd oil guide slot 301 and the 4th oil guide slot 302 can form circulating oil path, and meanwhile, at least one in the 3rd oil guide slot 301 and the 4th oil guide slot 302 can perfect lubrication supplementary bearing 300.And the concrete shape of the 3rd oil guide slot 301 and the 4th oil guide slot 302 does not limit, as long as the lubrication that can complete supplementary bearing 300 is all in protection scope of the present invention.
In an embodiment of the invention, in the 3rd oil guide slot 301 and the 4th oil guide slot 302 at least one in the shape of a spiral, bent axle 100 can ensure in rotary course, enters in a lubricant oil oil guide slot wherein.
In order to optimize such scheme further, in the shape of a spiral, and the rotation direction of the 3rd oil guide slot 301 is contrary with the sense of rotation of bent axle 100 for the 3rd oil guide slot 301; In the shape of a spiral, and the rotation direction of the 4th oil guide slot 302 is identical with the sense of rotation of bent axle 100 for 4th oil guide slot 302.Can ensure that lubricant oil enters in the 3rd oil guide slot 301 as early as possible in the shape of a spiral.
3rd oil guide slot 301 can realize by arranging other oil guide slot with being communicated with of the 4th oil guide slot 302, or the two mutually intersect realize both connection, 3rd oil guide slot 301 is intersected mutually with the 4th oil guide slot 302 in embodiments of the present invention, wherein, the position of intersection is away from one end of oil sump 401.
In order to improve lubricating efficiency further, at least one in the 3rd oil guide slot 301 and the 4th oil guide slot 302 runs through supplementary bearing 300.In the embodiment of the present invention, the 3rd oil guide slot 301 and the 4th oil guide slot 302 all run through supplementary bearing 300.When the lubricant oil in one of them oil guide slot reduces, another one oil guide slot can realize the lubrication of whole supplementary bearing 300.
Second filler opening and the second return opening can realize by arranging oil guiding hole on supplementary bearing 300, and the second filler opening is communicated with the 3rd oil guide slot 301, and being communicated with of the second return opening and the 4th oil guide slot 302.Second filler opening and the second return opening are arranged on the end face of supplementary bearing 300 in embodiments of the present invention, and directly realize being communicated with of the second filler opening and the 3rd oil guide slot 301, the second return opening is communicated with the 4th oil guide slot 302.
In order to improve lubrication effect further, the middle part of bent axle 100 being provided with and being communicated with oil sump 401 Oil Guide passage.
The invention also discloses a kind of air conditioner, comprise rotary compressor disclosed in above-described embodiment, therefore have all technique effects of above-described embodiment concurrently, do not repeat them here herein.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a rotary compressor, comprise main bearing (200), supplementary bearing (300), cylinder (400) and bent axle (100), described main bearing (200) and supplementary bearing (300) are arranged on described bent axle (100) and go up and be positioned at the two ends of described cylinder (400), the position that described cylinder (400) contacts with described main bearing (200) and described supplementary bearing (300) is oil sump (401), it is characterized in that, the inwall of described main bearing (200) is provided with the first oil guide slot (201), second oil guide slot (202), first filler opening and the first return opening, wherein, described first oil guide slot (201) and described second oil guide slot (202) are interconnected, described first filler opening is communicated with described first oil guide slot (201) and described oil sump (401), described first return opening is communicated with described second oil guide slot (202) and described oil sump (401).
2. rotary compressor as claimed in claim 1, is characterized in that, in the shape of a spiral, and the rotation direction of described first oil guide slot (201) is contrary with the sense of rotation of described bent axle (100) for described first oil guide slot (201); In the shape of a spiral, and the rotation direction of described second oil guide slot (202) is identical with the sense of rotation of described bent axle (100) for described second oil guide slot (202).
3. rotary compressor as claimed in claim 2, it is characterized in that, described first oil guide slot (201) is mutually intersected with described second oil guide slot (202) and runs through described main bearing (200).
4. rotary compressor as claimed in claim 3, it is characterized in that, described first filler opening and described first return opening are arranged on the end face of described main bearing (200).
5. rotary compressor as claimed in claim 1, it is characterized in that, the inwall of described supplementary bearing (300) is provided with the 3rd oil guide slot (301), the 4th oil guide slot (302), the second filler opening and the second return opening, wherein, described 3rd oil guide slot (301) and described 4th oil guide slot (302) are interconnected, described second filler opening is communicated with described 3rd oil guide slot (301) and described oil sump (401), and described second return opening is communicated with described 4th oil guide slot (302) and described oil sump (401).
6. rotary compressor as claimed in claim 5, is characterized in that, in the shape of a spiral, and the rotation direction of described 3rd oil guide slot (301) is contrary with the sense of rotation of described bent axle (100) for described 3rd oil guide slot (301); In the shape of a spiral, and the rotation direction of described 4th oil guide slot (302) is identical with the sense of rotation of described bent axle (100) for described 4th oil guide slot (302).
7. rotary compressor as claimed in claim 6, it is characterized in that, described 3rd oil guide slot (301) is intersected mutually with described 4th oil guide slot (302), and runs through described supplementary bearing (300).
8. rotary compressor as claimed in claim 7, it is characterized in that, described second filler opening and described second return opening are arranged on the end face of described main bearing (200).
9. the rotary compressor according to any one of claim 1 to 8, is characterized in that, the middle part of described bent axle (100) is provided with and is communicated with described oil sump (401) Oil Guide passage.
10. an air conditioner, comprises rotary compressor, it is characterized in that, described rotary compressor is the rotary compressor as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041664.1A CN105545750A (en) | 2016-01-21 | 2016-01-21 | Rotary compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041664.1A CN105545750A (en) | 2016-01-21 | 2016-01-21 | Rotary compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105545750A true CN105545750A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610041664.1A Pending CN105545750A (en) | 2016-01-21 | 2016-01-21 | Rotary compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545750A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN106678019A (en) * | 2017-01-19 | 2017-05-17 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
| CN112145420A (en) * | 2019-06-28 | 2020-12-29 | 安徽美芝精密制造有限公司 | Pump body subassembly, compressor and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786590A (en) * | 1980-11-17 | 1982-05-29 | Toshiba Corp | Rotary compressor |
| JPS61241492A (en) * | 1985-04-17 | 1986-10-27 | Hitachi Ltd | Oil feeding device for horizontal type rotary compressor |
| US4626180A (en) * | 1983-07-29 | 1986-12-02 | Hitachi, Ltd. | Rotary compressor with spiral oil grooves for crankshaft |
| JPH01134088A (en) * | 1987-11-18 | 1989-05-26 | Matsushita Electric Ind Co Ltd | Rotary compressor |
| CN203614421U (en) * | 2013-12-24 | 2014-05-28 | 珠海凌达压缩机有限公司 | Compressor and non-eccentric crankshaft thereof |
| CN205330990U (en) * | 2016-01-21 | 2016-06-22 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
-
2016
- 2016-01-21 CN CN201610041664.1A patent/CN105545750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786590A (en) * | 1980-11-17 | 1982-05-29 | Toshiba Corp | Rotary compressor |
| US4626180A (en) * | 1983-07-29 | 1986-12-02 | Hitachi, Ltd. | Rotary compressor with spiral oil grooves for crankshaft |
| JPS61241492A (en) * | 1985-04-17 | 1986-10-27 | Hitachi Ltd | Oil feeding device for horizontal type rotary compressor |
| JPH01134088A (en) * | 1987-11-18 | 1989-05-26 | Matsushita Electric Ind Co Ltd | Rotary compressor |
| CN203614421U (en) * | 2013-12-24 | 2014-05-28 | 珠海凌达压缩机有限公司 | Compressor and non-eccentric crankshaft thereof |
| CN205330990U (en) * | 2016-01-21 | 2016-06-22 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN106678019A (en) * | 2017-01-19 | 2017-05-17 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
| CN112145420A (en) * | 2019-06-28 | 2020-12-29 | 安徽美芝精密制造有限公司 | Pump body subassembly, compressor and air conditioner |
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Application publication date: 20160504 |
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