CN102011732B - Rotary compressor and oil deflector mounting structure thereof - Google Patents
Rotary compressor and oil deflector mounting structure thereof Download PDFInfo
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- CN102011732B CN102011732B CN 200910171693 CN200910171693A CN102011732B CN 102011732 B CN102011732 B CN 102011732B CN 200910171693 CN200910171693 CN 200910171693 CN 200910171693 A CN200910171693 A CN 200910171693A CN 102011732 B CN102011732 B CN 102011732B
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- oil baffle
- rotary compressor
- mounting structure
- connected element
- abutting end
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Abstract
The invention provides an oil deflector mounting structure of a rotary compressor, comprising an oil deflector, an interconnecting piece and a crankshaft, wherein the interconnecting piece is fixedly connected with the oil deflector; a gap is reserved between the interconnecting piece and the oil deflector; and the crankshaft is matched and connected with the interconnecting piece. The invention also provides a rotary compressor. The invention reduces the assembling difficulty and the process complexity of the oil deflector mounting structure of the rotary compressor and improves the connection reliability of the oil deflector mounting structure of the rotary compressor and the crankshaft under the condition of not changing the traditional production process on a large scale.
Description
Technical field
The present invention relates to refrigerating field, in particular to a kind of rotary compressor and oil baffle plate mounting structure thereof.
Background technique
The oil return of totally enclosed type rotor type rotary compressor in system of larger discharge capacity is to affect one of key issue of compressor operational safety and system effectiveness.Tell oil mass for effectively reducing compressor, now general design is in compressor electric motor (being positioned at pump housing top) top an oil baffle to be set, by disturbance, change gas flow, avoid gas directly from exhaust outlet of compressor, to flow out, thereby reduce the amount that the refrigeration oil in the refrigerant gas enters system that is dissolved in.
The connection form of oil baffle determines its assembling mode.Existing oil baffle design all is to adopt the method for riveted joint to be attached on the rotor.The assembling of rotor and bent axle need to position with the groove of bent axle major axis tail end, installing behind the rotor could (producer that also has be riveted on oil baffle first rotor is installed on the rotor again with oil baffle and rotor riveted joint, but this assembly process has particular requirement to the oil baffle form, thereby is not suitable for the change of oil baffle form).
The inventor finds that there are the following problems at least in the prior art: oil baffle directly is riveted on rotor, and riveted joint strength can affect the precision of rotor and the pump housing.
Summary of the invention
The present invention aims to provide a kind of rotary compressor oil baffle plate mounting structure, can solve that oil baffle directly is riveted on rotor in the prior art, and riveted joint strength can affect the problem of the precision of rotor and the pump housing.
In an embodiment of the present invention, provide a kind of rotary compressor oil baffle plate mounting structure, having comprised: oil baffle; Connected element is fixedly connected with oil baffle, and leaves the gap between connected element and the oil baffle; Bent axle is connected with connected element.
Preferably, bent axle has abutting end, and connected element has the structure that is fit to be set on the abutting end; Abutting end and connected element clamping.
Preferably, bent axle has abutting end, and connected element has the structure that is fit to be set on the abutting end; Abutting end and connected element are spirally connected.
Preferably, the abutting end external peripheral surface is provided with depressed part, and the connected element inner circumferential surface is provided with bump; Depressed part is fit to be connected with bump.
Or the abutting end external peripheral surface is provided with bump; The connected element inner circumferential surface is provided with depressed part; Bump is fit to be connected with depressed part.
Preferably, depressed part is the groove shape, and bump is the key shape.
Preferably, be fixedly connected with by fin between connected element and the oil baffle.
Preferably, fin and connected element are the integral type structure, and fin is welded on the oil baffle.
Preferably, abutting end radially has a through hole, and the connected element inner circumferential surface has the bump that matches with through hole.
Preferably, abutting end radially has two mutually perpendicular through holes, and the connected element inner circumferential surface has the bump that matches with through hole.
In an embodiment of the present invention, also provide a kind of rotary compressor, comprised foregoing rotary compressor oil baffle plate mounting structure.
Because adopted the connected element that can be connected with bent axle, and this connected element is fixedly connected with oil baffle also and between the oil baffle and leaves the space, so that bent axle is connected with oil baffle reliably, little on the impact of rotor and the pump housing in the installation process, oil baffle directly is riveted on rotor in the prior art so overcome, riveted joint strength can affect the problem of the precision of rotor and the pump housing, has improved existing oil baffle mounting type, and then has reached the effect that does not affect the precision of rotor and the pump housing.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the structure according to the rotary compressor oil baffle of the embodiment of the invention;
Fig. 2 has schematically shown the structure according to the connected element of the rotary compressor oil baffle plate mounting structure of the embodiment of the invention;
Fig. 3 has schematically shown the structure according to the rotary compression machine crankshaft of the embodiment of the invention;
Fig. 4 has schematically shown the rotary compressor oil baffle plate mounting structure bent axle cross-section structure according to the embodiment of the invention;
Fig. 5 has schematically shown the rotary compressor oil baffle plate mounting structure according to the embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 to Fig. 5 has schematically shown the rotary compressor oil baffle plate mounting structure according to the embodiment of the invention, and as shown in the figure, the rotary compressor oil baffle plate mounting structure according to the embodiment of the invention comprises: oil baffle 22; Oil baffle 22 is the working positions that keep off oil and Interference Flow, oil baffle 22 is only with the simplest discoid as signal in the embodiment of the invention, but it is discoid that the shape of oil baffle 22 is not limited to, the shape of oil baffle 22 can be carried out shape-designing according to different gear oil principles, for example, oil baffle 22 can be for the disc shirt rim or hollow, square, oval etc.
Connected element 21 is fixedly connected with oil baffle 22, and leaves the gap between connected element 21 and the oil baffle 22, is convenient to oil like this and refrigerant flows out from the slit; Bent axle 10 is connected with connected element 21.
Preferably, bent axle 10 has abutting end 13, and connected element 21 has the structure that is fit to be set on the abutting end 13, and bent axle 10 is with connected element 21 clampings or be spirally connected.Bent axle 10 design exceeds the about 8-10mm of rotor and (also can do more bent axle as abutting end 13 generally speaking, this size is higher, the installation of oil baffle 22 is more stable, but the height of the rotary compression engine housing that matches with bent axle 10 accordingly is also higher, and cost is larger).
When bent axle 10 and connected element 21 are spirally connected, can be at abutting end 13 outside thread of getting on the bus out, the internal thread that tapping or extrusion match with abutting end 13 outside threads on connected element 21 inner circumferential surfaces, generally speaking thread rotary orientation and bent axle 10 switched in opposite, after bent axle 10 passed through spiral marking connection with connected element 21 like this, oil baffle 22 can tighten automatically because of inertia when bent axle 10 rotation.(this moment, connected element should have suitable wall thickness to be fit to make the requirement of screw thread, and for example, abutting end 13 place's external peripheral surface diameters are
Connected element 21 should be selected the external peripheral surface diameter
Steel pipe).
Processing and assembly process when bent axle 10 and connected element 21 are spirally connected are as follows: bent axle 10 goes out screw thread at abutting end 13 place's cars during in semi finishing, and screw thread is take abutting end 13 external diameters as benchmark, and selects metric thread, and for example, abutting end 13 external diameters are
Then go out the outside thread of M20 * 1 at abutting end 13 cars.The length of screw thread is as the criterion to arrive the rotor upper-end surface, should not be excessively dark, and this moment, connected element 21 inner circumferential surfaces were answered the internal thread of tapping M20 * 1, and the outside thread of internal thread Length Ratio abutting end 13 is slightly long.After the compressor assembly assembling is finished and is checked motor coaxle degree gap, screw in by hand on the screw thread of abutting ends 13 with being fixedly connected with the oil baffle 22 and the connected element 21 that are integral, and apply a small amount of pretightening force, during compressor rotation Acceleration of starting, oil baffle 22 can be because of more and more tighter being spun on the bent axle 10 of self inertia.
When bent axle 10 and connected element 21 clamping, can be provided with depressed part 11 at abutting end 13 external peripheral surfaces, connected element 21 inner circumferential surfaces are provided with bump 24; Depressed part 11 is fit to be connected with bump 24.Or abutting end 13 external peripheral surfaces are provided with bump; The connected element inner circumferential surface is provided with depressed part; Bump is fit to be connected with depressed part.For example, connected element 21 can be the cylindrical body that is a bit larger tham abutting end 13 diameters by the interior circular diameter that sheet metal is made.Go out two to the bump of projecting inward hemispherical, key shape (such as comprising strip, ring-type etc.) by punching press on connected element 21 external peripheral surfaces (concrete sheet metal process title: rise and fall), extrude the depressed part of corresponding with bump hemispherical, groove shape (such as comprising strip, ring-type etc.) at the external peripheral surface of abutting end 13.Also can make at the inner circumferential surface of connected element 21 hemispherical, the key shape (such as comprising strip, ring-type etc.) of depression, make outwardly hemispherical, the groove shape (such as comprise strip, ring-type etc.) corresponding with connected element 21 inner circumferential surfaces depression position at the external peripheral surface of abutting end 13, when abutting end 13 matches with connected element 21 like this, except jog was combined closely, remaining part can be loose Spielpassung.
Preferably, abutting end 13 radially has a through hole, and connected element 21 inner circumferential surfaces have the bump that matches with through hole.For example, through-hole aperture exists
Extremely
Between.Connected element 21 inner circumferential surfaces have the bump 24 that matches with through hole, for example are hemispherical bump, and the radius of spherical crown of hemispherical bump is a bit larger tham through-hole aperture, for example exists
Extremely
Between, be convenient to like this bent axle 10 is processed.Also can change the quantity of through hole into two by one in addition, the axis of two through holes is substantially vertical, and these two through holes can intersect and communicate, and also can only intersect do not communicate (for example, two through hole is on the Different Plane).Connected element 21 inner circumferential surfaces have the bump that matches with through hole, for example are hemispherical bump, after oil baffle 22 clicks into place like this, are equivalent to four stuck points and work, and can improve join strength and the reliability of oil baffle 22 and bent axle 10.
Preferably, as shown in Figure 1, be fixedly connected with by fin 23 between connected element 21 and the oil baffle 22, for example, fin 23 is the integral type structure with connected element 21, fin 23 can get (as shown in Figure 2) by turning processing or bending connected element 21, fin 23 can have a variety of forms, it for example is discontinuous fan shape, discontinuous rectangular-shaped etc., then with resistance welding fin 23 is welded on the oil baffle 22, be to guarantee join strength, on each fin a plurality of solder joints can be set, but guarantee to leave certain gap between oil baffle 22 and the connected element 21, for example the gap is 1mm, is convenient to oil like this and refrigerant flows out from the slit.
In an embodiment of the present invention, also provide a kind of rotary compressor, comprised foregoing rotary compressor oil baffle plate mounting structure.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
Because adopted the connected element that can be connected with bent axle, and this connected element is fixedly connected with oil baffle also and between the oil baffle and leaves the space, so that bent axle is connected with oil baffle reliably, little on the impact of rotor and the pump housing in the installation process, oil baffle directly is riveted on rotor in the prior art so overcome, riveted joint strength can affect the problem of the precision of rotor and the pump housing, has improved existing oil baffle mounting type, and then has reached the effect that does not affect the precision of rotor and the pump housing.By the rotary compressor oil baffle plate mounting structure of change prior art, not changing under the condition of existing production technology, reduce complex procedures on a large scale simultaneously, reduced the assembling difficulty of rotary compressor oil baffle, and improve the binding reliability.Can reduce oil baffle riveting equipment cost during batch production, reduce and drop into.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a rotary compressor oil baffle plate mounting structure is characterized in that, comprising:
Oil baffle;
Connected element is fixedly connected with described oil baffle, and leaves the gap between described connected element and the described oil baffle;
Bent axle is connected with described connected element, and described bent axle has abutting end, and described connected element has the structure that is fit to be set on the described abutting end.
2. rotary compressor oil baffle plate mounting structure according to claim 1 is characterized in that, described abutting end and described connected element clamping.
3. rotary compressor oil baffle plate mounting structure according to claim 1 is characterized in that, described abutting end and described connected element are spirally connected.
4. rotary compressor oil baffle plate mounting structure according to claim 2 is characterized in that,
Described abutting end external peripheral surface is provided with depressed part, and described connected element inner circumferential surface is provided with bump; Described depressed part is fit to be connected with described bump;
Or described abutting end external peripheral surface is provided with bump; Described connected element inner circumferential surface is provided with depressed part; Described bump is fit to be connected with described depressed part.
5. rotary compressor oil baffle plate mounting structure according to claim 4 is characterized in that, described depressed part is the groove shape, and described bump is the key shape.
6. rotary compressor oil baffle plate mounting structure according to claim 1 is characterized in that, is fixedly connected with by fin between described connected element and the described oil baffle.
7. rotary compressor oil baffle plate mounting structure according to claim 6 is characterized in that, described fin and described connected element are the integral type structure, and described fin is welded on the described oil baffle.
8. rotary compressor oil baffle plate mounting structure according to claim 4 is characterized in that, described abutting end radially has a through hole, and described connected element inner circumferential surface has the bump that matches with described through hole.
9. rotary compressor oil baffle plate mounting structure according to claim 4 is characterized in that, described abutting end radially has two mutually perpendicular through holes, and described connected element inner circumferential surface has the bump that matches with described through hole.
10. a rotary compressor is characterized in that, comprises claim 1 each described rotary compressor oil baffle plate mounting structure to the claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910171693 CN102011732B (en) | 2009-09-08 | 2009-09-08 | Rotary compressor and oil deflector mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910171693 CN102011732B (en) | 2009-09-08 | 2009-09-08 | Rotary compressor and oil deflector mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011732A CN102011732A (en) | 2011-04-13 |
| CN102011732B true CN102011732B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910171693 Active CN102011732B (en) | 2009-09-08 | 2009-09-08 | Rotary compressor and oil deflector mounting structure thereof |
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| CN (1) | CN102011732B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422456A (en) * | 2014-09-22 | 2016-03-23 | 上海日立电器有限公司 | Oil baffle balanced structure for rotor-type compressor and installing method for oil baffle plate |
| CN105526168B (en) * | 2016-01-20 | 2018-12-25 | 珠海格力电器股份有限公司 | Rotor assembly, pump housing rotor assembly and its assemble method, compressor |
| CN106351842A (en) * | 2016-10-12 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Enclosed type rolling rotor compressor |
| CN106368950A (en) * | 2016-10-17 | 2017-02-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting structure of main shaft and rotor and integrated rolling rotor compressor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB676502A (en) * | 1949-11-19 | 1952-07-30 | William Walker Higham | Improvements in or relating to refrigerator motor compressor units |
| CN85108114A (en) * | 1984-11-06 | 1986-08-27 | 株式会社东芝 | Rotary compressor for refrigerant |
| JP2003314451A (en) * | 2002-04-17 | 2003-11-06 | Sanyo Electric Co Ltd | Compressor |
| US6893237B2 (en) * | 2002-03-18 | 2005-05-17 | Sanyo Electric Co., Ltd. | Horizontal compressor |
| CN1626816A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Oil separating device in rotating type compressor |
| JP2005220781A (en) * | 2004-02-04 | 2005-08-18 | Sanyo Electric Co Ltd | Horizontal multistage rotary compressor |
| JP2009062931A (en) * | 2007-09-07 | 2009-03-26 | Toshiba Carrier Corp | Rotary compressor and refrigerating cycle device |
| CN201496270U (en) * | 2009-09-28 | 2010-06-02 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate mounting structure thereof |
-
2009
- 2009-09-08 CN CN 200910171693 patent/CN102011732B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB676502A (en) * | 1949-11-19 | 1952-07-30 | William Walker Higham | Improvements in or relating to refrigerator motor compressor units |
| CN85108114A (en) * | 1984-11-06 | 1986-08-27 | 株式会社东芝 | Rotary compressor for refrigerant |
| US6893237B2 (en) * | 2002-03-18 | 2005-05-17 | Sanyo Electric Co., Ltd. | Horizontal compressor |
| JP2003314451A (en) * | 2002-04-17 | 2003-11-06 | Sanyo Electric Co Ltd | Compressor |
| CN1626816A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Oil separating device in rotating type compressor |
| JP2005220781A (en) * | 2004-02-04 | 2005-08-18 | Sanyo Electric Co Ltd | Horizontal multistage rotary compressor |
| JP2009062931A (en) * | 2007-09-07 | 2009-03-26 | Toshiba Carrier Corp | Rotary compressor and refrigerating cycle device |
| CN201496270U (en) * | 2009-09-28 | 2010-06-02 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate mounting structure thereof |
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| Publication number | Publication date |
|---|---|
| CN102011732A (en) | 2011-04-13 |
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