CN202833178U - Flange device of rotary compressor and rotary compressor - Google Patents
Flange device of rotary compressor and rotary compressor Download PDFInfo
- Publication number
- CN202833178U CN202833178U CN 201220521738 CN201220521738U CN202833178U CN 202833178 U CN202833178 U CN 202833178U CN 201220521738 CN201220521738 CN 201220521738 CN 201220521738 U CN201220521738 U CN 201220521738U CN 202833178 U CN202833178 U CN 202833178U
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- Prior art keywords
- groove
- flange
- rotary compressor
- annular groove
- thickness
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Abstract
The utility model discloses a flange device of a rotary compressor and the rotary compressor. The flange device comprises a flange and a crankshaft. The crankshaft is provided with an eccentric part. A circular groove is arranged on a plane of the flange close to the eccentric part. The circular groove comprises a first groove and a second groove. The first groove is located on the upper part of the circular groove vertically and the second groove is located on the lower part of the circular groove vertically. The cross section of the circular groove is ladder-shaped. A crankshaft installation hole for installing the crankshaft is arranged in the middle of the flange. A circular wall is formed between the circular groove and the crankshaft installation hole. The wall thickness of the circular groove increases gradually with the deepening of the groove of the circular groove. According to the flange device of the rotary compressor and the rotary compressor provided by the utility model, the problem of rigidity upheaval of the circular groove is slowed down, and local overload inside the flange is alleviated, and the reliability of the compressor is improved by improving the rigidity change of the circular groove on the flange device of the compressor.
Description
Technical field
The utility model relates to the compressor apparatus field of using in the systems such as air-conditioning, refrigerator, freezer, particularly a kind of flange apparatus of rotary compressor and rotary compressor.
Background technique
In rotary compressor, drive roller by bent axle refrigerant is compressed, gas load puts on crankshaft eccentric section, thereby causes bent axle to occur bending and deformation.Because the major and minor axis of bent axle is assemblied in the flange endoporus, during deflection of crankshaft, can produce near the edge of cylinder side with bent axle and to contact, and make local contact force excessive, oil slick thickness between bent axle and flange endoporus is reduced even rupture of oil film, bent axle and flange can produce Metal Contact, make the generation concentrated wear, affect the reliability of compressor.
For solving this kind problem, existing technology is by increasing straight circular groove in flange leans on cylinder side, flange produces plastic deformation when making by circular groove that load is excessive on the flange, slow down local contact stress excessive, but the inner peripheral surface of this straight circular groove is identical on the total length of groove with thickness between the flange hole inner peripheral surface.Even this structure can be slowed down partial strong contact, at the latter end of groove, the aggravation of the rigidity of flange uprises, and causes coming carry load by this part quickly, can produce concentrated wear.
In the prior art, Fig. 1 is existing rotary compressor flange apparatus, comprise flange 1, it is the circular groove 100 of rectangle that bent axle 2 reaches with cross section, local contact stress when this structure can be slowed down deflection of crankshaft to a certain extent, but when load is large, deflection of crankshaft is large, the circular groove wall thickness upper end distortion that is used for the restriction bent axle is large, can become suddenly large in circular groove end rigidity, so that bear contact load from bent axle by this part, localized stress increases, oil slick thickness can reduce, make between bent axle and the flange endoporus directly to come in contact, produce concentrated wear, compressor reliability descends.
In view of this, how to overcome the above-mentioned technological deficiency that the flange apparatus of rotary compressor in the prior art exists and become the technical problem that needs to be resolved hurrily in related domain.
The model utility content
The utility model provides a kind of flange apparatus and rotary compressor of rotary compressor, produces the technological deficiency of concentrated wear when load is excessive in order to the flange apparatus that overcomes existing rotary compressor.
The utility model provides a kind of flange apparatus of rotary compressor.Specific embodiments is as follows:
Described flange apparatus, comprise flange and bent axle, be provided with eccentric part on the described bent axle, described flange is provided with annular groove near on the plane of described eccentric part one side, described annular groove comprises the first groove and the second groove, described the first groove is positioned at the top of annular groove vertical direction, and described the second groove is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped;
The middle part of described flange is provided be used to the crankshaft installed hole that described bent axle is installed; Form annular wall between described annular groove and the described crankshaft installed hole, described annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of described annular wall becomes successively.
Preferably, as a kind of embodiment.The ratio of the minimum wall thickness (MINI W.) of described annular wall and described crankshaft installed bore dia is more than 5%.
Preferably, as a kind of embodiment.The ratio of the degree of depth of described annular groove and described crankshaft installed bore dia is more than 35%.
Preferably, as a kind of embodiment.Described annular wall thickness is ladder and distributes, and the thickness on described annular wall top is less, and the thickness of described annular wall bottom is larger, and the proportion of the thickness of the minimum thickness on described annular wall top and described annular wall bottom is 30% ~ 60%.
Preferably, as a kind of embodiment.The ratio of the height of the height of described the first groove and described the second groove is more than 30%.
Preferably, as a kind of embodiment.The transition portion of described the first groove and described the second groove is chamfering or fillet.
Correspondingly, the utility model also provides a kind of rotary compressor, and described rotary compressor comprises the flange apparatus of above-mentioned rotary compressor.
The beneficial effects of the utility model comprise:
The utility model provides a kind of flange apparatus and rotary compressor of rotary compressor.The flange apparatus of described rotary compressor, comprise flange and bent axle, be provided with eccentric part on the described bent axle, described flange is provided with annular groove near on the plane of described eccentric part one side, described annular groove comprises the first groove and the second groove, described the first groove is positioned at the top of annular groove vertical direction, and described the second groove is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped; The middle part of described flange is provided be used to the crankshaft installed hole that described bent axle is installed; Form annular wall between described annular groove and the described crankshaft installed hole, described annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of described annular wall becomes successively.
The flange apparatus of a kind of rotary compressor of providing and the problem that rotary compressor slows down the drastic change of circular groove rigidity are provided the utility model purpose, by the circular groove stiffness variation on the flange apparatus that improves compressor, slow down the local excessive load of flange inside, improve the reliability of compressor.
Description of drawings
Fig. 1 is the assembling schematic diagram of the flange apparatus of rotary compressor of the prior art;
Fig. 2 is the flange apparatus embodiment's one of the utility model rotary compressor assembling schematic diagram;
Fig. 3 is the schematic diagram of flange arrangement one specific embodiment in the flange apparatus of the utility model rotary compressor among Fig. 2;
Fig. 4 is the flange apparatus embodiment's two of the utility model rotary compressor assembling schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the flange apparatus of rotary compressor of the present utility model is described in detail.
In description of the present utility model, orientation or the position relationship of the indication such as term " top ", " bottom " " top ", " below " are based on orientation shown in the drawings or position relationship, it only is the utility model rather than require the utility model with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model for convenience of description.
Embodiment one:
Fig. 2 is the flange apparatus embodiment's one of the utility model rotary compressor assembling schematic diagram.
As shown in Figure 2, described flange apparatus, comprise flange 1 and bent axle 2, be provided with eccentric part 3 on the described bent axle, described flange 1 is provided with annular groove 100 near on the plane of described eccentric part 3 one sides, described annular groove 100 comprises the first groove 1001 and the second groove 1002, and described the first groove 1001 is positioned at the top of annular groove vertical direction, and described the second groove 1002 is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped;
The middle part of described flange 1 is provided be used to the crankshaft installed hole 20 that described bent axle 2 is installed; Form annular wall 201 between described annular groove 100 and the described crankshaft installed hole 20, described annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of described annular wall becomes successively.
As shown in Figure 2, Fig. 2 can illustrate clearly that the groove inverted draw cut to annular groove from bottom land of described annular groove is wide and become successively large, and to have formed a category be step-like groove like cross section.
Preferably, as a kind of embodiment.In addition referring to Fig. 3, Fig. 3 is the assembling schematic diagram of a specific embodiment of the flange apparatus of the utility model rotary compressor among Fig. 2; Also can be illustrated by Fig. 3: between described annular groove 100 and the flange 1 upper flange mounting hole 20 for having formed an annular wall 201, described annular groove 100 is along with the intensification of depth of groove, it is large that the wall thickness of described annular wall 201 becomes successively, because of the intensification along with depth of groove, the annular groove width of stairstepping diminishes, so the wall thickness of annular wall 201 is to become successively large, and the cross section of annular wall also is stairstepping.
Preferably, as a kind of embodiment.The ratio of the minimum wall thickness (MINI W.) of described annular wall 201 and described crankshaft installed bore dia is more than 5%.
Preferably, as a kind of embodiment.The ratio of the degree of depth of described annular groove 100 and described crankshaft installed hole 20 diameters is more than 35%.
Preferably, as a kind of embodiment.Described annular wall 201 thickness are ladder and distribute, and the thickness on described annular wall top is less, and the thickness of described annular wall bottom is larger, and the proportion of the thickness of the minimum thickness on described annular wall top and described annular wall bottom is 30% ~ 60%.
Preferably, as a kind of embodiment.The ratio of the height of the height of described the first groove 1001 and described the second groove 1002 is more than 30%.
Preferably, as a kind of embodiment.Described the first groove 1001 is chamfering or fillet with the transition portion of described the second groove 1002.
As shown in Figure 3, the utility model embodiment makes the circular groove variation in rigidity on the flange milder by the circular groove of this similar stairstepping, and when bearing larger load, local contact reduces load, thereby indirectly improve the thickness of oil film, improved the reliability of rotary compressor.
Embodiment two:
Illustrated the flange apparatus of a kind of rotary compressor that above-mentioned the utility model embodiment two provides below with reference to Fig. 4, Fig. 4.
Identical about the flange apparatus mounting type among embodiment two and the embodiment one, the technical characteristics of other structures is similar, so similarity embodiment two repeats no more.
The flange apparatus of a kind of rotary compressor that the utility model embodiment two provides, the flange apparatus of described rotary compressor comprises flange 1 and bent axle 2, be provided with eccentric part on the described bent axle 2, described flange is provided with annular groove 100 near on the plane 10 of described eccentric part one side, described annular groove 100 comprises the first groove 1001 and the second groove 1002, described the first groove 1001 is positioned at the top of annular groove vertical direction, and described the second groove 1002 is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped;
The middle part of described flange 1 is provided be used to the crankshaft installed hole 20 that described bent axle 2 is installed; Form annular wall between described annular groove 100 and the described crankshaft installed hole 20, described annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of described annular wall becomes successively.
Preferably, the cross section of described the first groove 1001 is similar to taper, and the cross section of described the second groove 1002 is rectangle.In the utility model embodiment, the cross section of described annular groove 100 is approximate stairstepping.When bearing larger load, indirectly improve the thickness of oil film thereby the part contacts to reduce, and can improve the reliability of rotary compressor simultaneously.
Correspondingly, the utility model also provides a kind of rotary compressor, and described rotary compressor comprises the flange apparatus of above-mentioned rotary compressor.
The utility model provides a kind of flange apparatus and rotary compressor of rotary compressor.Described flange apparatus comprises flange and bent axle, be provided with eccentric part on the bent axle, be provided with annular groove on the plane of close eccentric part one side of described flange, described annular groove comprises the first groove and the second groove, described the first groove is positioned at the top of annular groove vertical direction, and described the second groove is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped; The middle part of described flange is provided with for the crankshaft installed hole that bent axle is installed; Form annular wall between described annular groove and the crankshaft installed hole, annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of annular wall becomes successively.The flange apparatus of a kind of rotary compressor of providing and the problem that rotary compressor slows down the drastic change of circular groove rigidity are provided the utility model embodiment purpose, by improving the circular groove stiffness variation of compressor flange device, slow down the local excessive load of flange inside, improve the reliability of compressor.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. the flange apparatus of a rotary compressor, comprise flange and bent axle, be provided with eccentric part on the described bent axle, it is characterized in that, described flange is provided with annular groove near on the plane of described eccentric part one side, described annular groove comprises the first groove and the second groove, and described the first groove is positioned at the top of annular groove vertical direction, and described the second groove is positioned at the bottom of annular groove vertical direction; The cross section of described annular groove is stepped;
The middle part of described flange is provided be used to the crankshaft installed hole that described bent axle is installed; Form annular wall between described annular groove and the described crankshaft installed hole, described annular groove is along with the intensification of depth of groove, and it is large that the wall thickness of described annular wall becomes successively.
2. the flange apparatus of rotary compressor according to claim 1 is characterized in that:
The ratio of the minimum wall thickness (MINI W.) of described annular wall and described crankshaft installed bore dia is more than 5%.
3. the flange apparatus of rotary compressor according to claim 2 is characterized in that:
The ratio of the degree of depth of described annular groove and described crankshaft installed bore dia is more than 35%.
4. the flange apparatus of rotary compressor according to claim 3 is characterized in that:
Described annular wall thickness is ladder and distributes, and the thickness on described annular wall top is less, and the thickness of described annular wall bottom is larger, and the proportion of the thickness of the minimum thickness on described annular wall top and described annular wall bottom is 30% ~ 60%.
5. the flange apparatus of rotary compressor according to claim 1 is characterized in that:
The ratio of the height of the height of described the first groove and described the second groove is more than 30%.
6. the flange apparatus of rotary compressor according to claim 5 is characterized in that:
The transition portion of described the first groove and described the second groove is chamfering or fillet.
7. rotary compressor is characterized in that:
Described rotary compressor comprises the flange apparatus of each described rotary compressor of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521738 CN202833178U (en) | 2012-10-11 | 2012-10-11 | Flange device of rotary compressor and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521738 CN202833178U (en) | 2012-10-11 | 2012-10-11 | Flange device of rotary compressor and rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833178U true CN202833178U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220521738 Expired - Lifetime CN202833178U (en) | 2012-10-11 | 2012-10-11 | Flange device of rotary compressor and rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989025A (en) * | 2016-01-20 | 2017-07-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Flange, pump assembly and compressor |
| CN111271243A (en) * | 2018-12-05 | 2020-06-12 | 广东美芝精密制造有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| WO2023125809A1 (en) * | 2021-12-31 | 2023-07-06 | 丹佛斯（天津）有限公司 | Flange and scroll compressor comprising same |
-
2012
- 2012-10-11 CN CN 201220521738 patent/CN202833178U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989025A (en) * | 2016-01-20 | 2017-07-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Flange, pump assembly and compressor |
| CN111271243A (en) * | 2018-12-05 | 2020-06-12 | 广东美芝精密制造有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| CN111271243B (en) * | 2018-12-05 | 2022-04-26 | 广东美芝精密制造有限公司 | Compressor |
| WO2023125809A1 (en) * | 2021-12-31 | 2023-07-06 | 丹佛斯（天津）有限公司 | Flange and scroll compressor comprising same |
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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 |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |