CN204941960U - For rotary compressor compressing mechanism and there is its rotary compressor - Google Patents
For rotary compressor compressing mechanism and there is its rotary compressor Download PDFInfo
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- CN204941960U CN204941960U CN201520636177.0U CN201520636177U CN204941960U CN 204941960 U CN204941960 U CN 204941960U CN 201520636177 U CN201520636177 U CN 201520636177U CN 204941960 U CN204941960 U CN 204941960U
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- rotary compressor
- compressing mechanism
- bent axle
- oil groove
- thrust surface
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Abstract
The utility model discloses a kind of compressing mechanism for rotary compressor and there is its rotary compressor, this compressing mechanism comprises: lower bearing and bent axle, bent axle has eccentric part, the lower end of eccentric part is formed with the thrust surface only supported with the upper-end surface of lower bearing, thrust surface and/or upper-end surface are provided with oil groove, and the width of the filler opening of oil groove is maximum.According to the compressing mechanism for rotary compressor of the present utility model, by arranging oil groove on the upper-end surface of thrust surface and/or lower bearing, and the width of the filler opening of oil groove is maximum, that is, the oil-feed direction of oil groove is contrary with the sense of rotation of bent axle, thus the lubricant oil that can increase the thrust surface of bent axle enters, and effectively improves rotary compressor thrust surface lubrication circumstances, and then the power consumption of rotary compressor can be reduced, promote the functional reliability of rotary compressor.
Description
Technical field
The utility model relates to compressor apparatus field, particularly relates to a kind of compressing mechanism for rotary compressor and has its rotary compressor.
Background technique
The crankshaft thrust face of compressor supports the parts such as equilibrium block of bent axle, rotor and assembling thereof, the bad compressor power consumption that directly causes of thrust lubrication circumstances increases, thrust friction pair situation is more severe, compressor power consumption can be caused to increase, the problems such as reliability failures.Thrust mode lubricant oil in correlation technique can not lubricate thrust well, and compressor power consumption is comparatively large, and along with the lengthening of working time, the wearing and tearing of push stopping part can bring reliability to worsen.Therefore, the lubricity promoting thrust surface is significant to the efficiency and reliability that promote compressor.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of compressing mechanism for rotary compressor, described compressing mechanism has crankshaft thrust face and lubricates good advantage.
The utility model also proposed a kind of rotary compressor with the above-mentioned compressing mechanism for rotary compressor.
According to the compressing mechanism for rotary compressor of the utility model embodiment, comprising: lower bearing; And bent axle, described bent axle has eccentric part, and the lower end of described eccentric part is formed with the thrust surface only supported with the upper-end surface of described lower bearing, and described thrust surface and/or described upper-end surface are provided with oil groove, and the width of the filler opening of described oil groove is maximum.
According to the compressing mechanism for rotary compressor of the utility model embodiment, by arranging oil groove on the upper-end surface of thrust surface and/or lower bearing, and the width of the filler opening of oil groove is maximum, that is, the oil-feed direction of oil groove is contrary with the sense of rotation of bent axle, thus the lubricant oil that can increase the thrust surface of bent axle enters, and effectively improves rotary compressor thrust surface lubrication circumstances, and then the power consumption of rotary compressor can be reduced, promote the functional reliability of rotary compressor.
In embodiments more of the present utility model, described oil groove comprises: the first groove section, and one end of described first groove section forms described filler opening, and the width of described first groove section reduces gradually along described oil-feed direction; Second groove section, one end of described second groove section is connected with the other end of described first groove section.
Further, the width of described second groove section is definite value.
In embodiments more of the present utility model, described oil groove extends along the circumferential direction of described bent axle.
Further, the partial sidewall of described bent axle is configured to a sidewall of described oil groove.
In embodiments more of the present utility model, described oil groove is formed on described thrust surface.
Further, the position of the close described thrust surface of described bent axle is formed with depressed part, and described depressed part extends along the circumferential direction of described bent axle.
Further, the diapire of described depressed part is concordant with the sidewall of described oil groove.
In addition, the utility model also proposed a kind of rotary compressor, and it comprises the above-mentioned compressing mechanism for rotary compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotary compressor according to the utility model embodiment;
Fig. 2 is the stereogram of the compressing mechanism inside crankshaft for rotary compressor according to the utility model embodiment;
Fig. 3 is the thrust surface plan view of the compressing mechanism inside crankshaft for rotary compressor shown in Fig. 2;
Fig. 4 is the A-A generalized section shown in Fig. 3;
Fig. 5 is the structural representation of the rotary compressor of two cylinders according to the utility model embodiment;
Fig. 6 is the stereogram of the compressing mechanism inside crankshaft of the rotary compressor for two cylinder according to the utility model embodiment;
Fig. 7 is the thrust surface plan view of the compressing mechanism inside crankshaft of the rotary compressor for two cylinder shown in Fig. 6;
Fig. 8 is the A-A generalized section shown in Fig. 7;
Reference character:
Rotary compressor 1000;
Compressing mechanism 100;
Lower bearing 11; Upper bearing (metal) 12; Upper-end surface 13;
Bent axle 2; Eccentric part 21; Thrust surface 22;
Oil groove 3; Filler opening 31; First groove section 32; Second groove section 33;
Depressed part 4;
Upper shell 51; Lower shell body 52; Main casing 53;
Slide plate 61; Cylinder 62; Piston 63;
Stator 71; Rotor 72.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 8, the compressing mechanism 100 for rotary compressor 1000 according to the utility model embodiment is described.It should be noted that, rotary compressor 1000 can comprise housing, compressing mechanism 100 and drive motor, and wherein drive motor generally comprises stator 71 and rotor 72.Wherein, shown in figure 1, housing can comprise main casing 53, upper shell 51 and lower shell body 52, and wherein main member such as compressing mechanism 100, the drive motor etc. of rotary compressor 1000 are all arranged at the cavity inside of housing, thus facilitate the installation of rotary compressor 1000.Should be understood that, structure according to the housing of the utility model embodiment is not limited thereto, and such as, main casing 53 and upper shell 51 can be formed in one part, or main casing 53 and lower shell body 52 can be formed in one part, and then the working strength of rotary compressor 1000 can be met.
As Figure 1-Figure 4, according to the compressing mechanism 100 for rotary compressor 1000 of the utility model embodiment, comprising: upper bearing (metal) 12, lower bearing 11, cylinder 62, bent axle 2, piston 63, slide plate 61, bent axle 2 etc.Wherein, compressing mechanism 100 is arranged on enclosure interior.
Shown in figure 2, bent axle 2 has eccentric part 21, and specifically, bent axle 2 rotarily drives eccentric part 21 and rotates, and then eccentric part 21 can drive piston 63 to move to compress the refrigerant in cylinder 62, realize refrigerant becomes high pressure process from low pressure fast.
Shown in figure 1-Fig. 4, the lower end of eccentric part 21 is formed with the thrust surface 22 only supported with the upper-end surface 13 of lower bearing 11, the upper-end surface 13 of thrust surface 22 and/or lower bearing 11 is provided with oil groove 3, that is, oil groove 3 can only be arranged on thrust surface 22, also only can be arranged on the upper-end surface 13 of lower bearing 11, also can be arranged on the upper-end surface 13 of thrust surface 22 and lower bearing 11 simultaneously.Specifically, rotary compressor 1000 is in the process of work running, eccentric part 21 is due to High Rotation Speed, the thrust surface 22 of the lower end surface of eccentric part 21 and the contact position, upper-end surface 13 of lower bearing 11 can produce a large amount of frictions, therefore, reasonably oil groove 3 is arranged on the upper-end surface 13 of thrust surface 22 and/or lower bearing 11, the lubricant oil that can increase the thrust surface 22 of bent axle 2 enters, reduce the loss rubbing and cause, the friction lubricating effect of thrust surface 22 is improved, effectively improve rotary compressor 1000 thrust surface 22 lubrication circumstances, and then the power consumption of rotary compressor 1000 can be reduced, promote the functional reliability of rotary compressor 1000.
Shown in figure 3, the width of the filler opening 31 of oil groove 3 is maximum, specifically, the oil-feed direction of oil groove 3 is contrary with the sense of rotation of bent axle 2, thus the width of the filler opening 31 of oil groove 3 can be made maximum, effectively improve the oil inlet quantity of oil groove 3, thus further increase the lubrication effect of bent axle 2 thrust surface 22, reduce the loss of thrust surface 22, promote the functional reliability of rotary compressor 1000.
According to the compressing mechanism 100 for rotary compressor 1000 of the utility model embodiment, by arranging oil groove 3 on the upper-end surface 13 of thrust surface 22 and/or lower bearing 11, and the width of the filler opening 31 of oil groove 3 is maximum, the lubricant oil that can increase the thrust surface 22 of bent axle 2 thus enters, effectively improve rotary compressor 1000 thrust surface 22 lubrication circumstances, and then the power consumption of rotary compressor 1000 can be reduced, promote the functional reliability of rotary compressor 1000.
In embodiments more of the present utility model, shown in figure 3, oil groove 3 can comprise the first groove section 32 and the second groove section 33, one end of first groove section 32 forms filler opening 31, the width of the first groove section 32 reduces gradually along oil-feed direction, and one end of the second groove section 33 is connected with the other end of the first groove section 32.Specifically, one end width of the formation filler opening 31 of the first groove section 32 is maximum, is convenient to lubricant oil thus and enters in the first groove section 32, further, second groove section 33 is connected with the first groove section 32, and lubricant oil can flow in the second groove section 33 from the first groove section 32.In addition, first lubricant oil enter from filler opening 31, whole thrust surface 22 is progressively taken in the process that eccentric part 21 rotates, improve the lubrication effect of thrust surface 22, and the width of the first groove section 32 reduces gradually along oil-feed direction, the utilization rate of lubricant oil can be improved on the one hand, be also convenient to the processing of oil groove 3 on the other hand, reduce labor intensity.
In embodiments more of the present utility model, the width of the second groove section 33 can be definite value, can be convenient to the processing of the second groove section 33 on the one hand, can play good leading role on the other hand to lubricant oil.In embodiments more of the present utility model, shown in figure 3, oil groove 3 can extend along the circumferential direction of bent axle 2, thus the lubricant oil in oil groove 3 can be full of the thrust surface 22 of the eccentric part 21 of bent axle 2, increase the oil inlet quantity of lubricant oil, effectively improve the lubrication effect of thrust surface 22, reduce the frictional loss of thrust surface 22, improve functional reliability and the efficiency of rotary compressor 1000.
Further, the partial sidewall of bent axle 2 is configured to a sidewall of oil groove 3, shown in figure 4, specifically, the filler opening 31 of oil groove 3 can be arranged in the joint of eccentric part 21 and bent axle 2, can be convenient to the processing fluting of oil groove 3 so on the one hand, filler opening 31 width can be made maximum on the other hand, effectively improve the oil inlet quantity of lubricant oil, improve the lubrication effect of thrust surface 22.
In embodiments more of the present utility model, shown in figure 2-Fig. 4, oil groove 3 is formed on thrust surface 22, like this, do not need to transform the structure of lower bearing 11 on the one hand, reduce the process step of lower bearing 11, enhance productivity, on the other hand oil groove 3 and bent axle 2 is one-body molded, production and processing can be convenient to, ensure that oil groove 3 is arranged between the upper-end surface 13 of thrust surface 22 and lower bearing 11 exactly, effectively improve the lubrication validity of lubricant oil, and then effectively improve lubrication effect, reduce friction loss, improve the working efficiency of rotary compressor 1000.
In embodiments more of the present utility model, shown in figure 4, the position of the close thrust surface 22 of bent axle 2 is formed with depressed part 4, and depressed part 4 extends along the circumferential direction of bent axle 2, thus is convenient to the accurate processing of oil groove 3.Preferably, the diapire of depressed part 4 is concordant with the sidewall of oil groove 3.
In addition, the utility model also proposed a kind of rotary compressor 1000, and it comprises the above-mentioned compressing mechanism 100 for rotary compressor 1000.
It should be noted that, the utility model above-described embodiment is all be described according to the rotary compressor 1000 of single cylinder 62, in the application of reality, rotary compressor 1000 also can be multi cylinder 62, can be such as two cylinder 62 rotary compressors 1000, shown in figure 5-Fig. 8, the compressing mechanism 100 of two cylinder 62 rotary compressor 1000 is made up of two cylinders 62, the bent axle 2 being positioned at two cylinder 62 parts is respectively arranged with eccentric part 21, that is, bent axle 2 is provided with two eccentric parts 21 according to the position of two cylinders 62, the thrust surface 22 of each eccentric part 21 is provided with oil groove 3, and the width of the filler opening 31 of oil groove 3 is maximum, that is, the oil-feed direction of oil groove 3 is contrary with the sense of rotation of bent axle 2, thus the lubricant oil that can increase the thrust surface 22 of bent axle 2 enters, effectively improve rotary compressor 1000 thrust surface 22 lubrication circumstances, and then the power consumption of rotary compressor 1000 can be reduced, promote the functional reliability of rotary compressor 1000.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. for a compressing mechanism for rotary compressor, it is characterized in that, comprising:
Lower bearing; And
Bent axle, described bent axle has eccentric part, and the lower end of described eccentric part is formed with the thrust surface only supported with the upper-end surface of described lower bearing, and described thrust surface and/or described upper-end surface are provided with oil groove, and the width of the filler opening of described oil groove is maximum.
2. the compressing mechanism for rotary compressor according to claim 1, is characterized in that, described oil groove comprises:
First groove section, one end of described first groove section forms described filler opening, and the width of described first groove section reduces gradually along oil-feed direction;
Second groove section, one end of described second groove section is connected with the other end of described first groove section.
3. the compressing mechanism for rotary compressor according to claim 2, is characterized in that, the width of described second groove section is definite value.
4. the compressing mechanism for rotary compressor according to claim 1, is characterized in that, described oil groove extends along the circumferential direction of described bent axle.
5. the compressing mechanism for rotary compressor according to claim 4, is characterized in that, the partial sidewall of described bent axle is configured to a sidewall of described oil groove.
6. the compressing mechanism for rotary compressor according to any one of claim 1-5, is characterized in that, described oil groove is formed on described thrust surface.
7. the compressing mechanism for rotary compressor according to claim 6, is characterized in that, the position of the close described thrust surface of described bent axle is formed with depressed part, and described depressed part extends along the circumferential direction of described bent axle.
8. the compressing mechanism for rotary compressor according to claim 7, is characterized in that, the diapire of described depressed part is concordant with the sidewall of described oil groove.
9. a rotary compressor, is characterized in that, comprises the compressing mechanism for rotary compressor according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636177.0U CN204941960U (en) | 2015-08-21 | 2015-08-21 | For rotary compressor compressing mechanism and there is its rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636177.0U CN204941960U (en) | 2015-08-21 | 2015-08-21 | For rotary compressor compressing mechanism and there is its rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941960U true CN204941960U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520636177.0U Expired - Fee Related CN204941960U (en) | 2015-08-21 | 2015-08-21 | For rotary compressor compressing mechanism and there is its rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204941960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542665A (en) * | 2017-08-22 | 2018-01-05 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
| CN108194362A (en) * | 2017-12-19 | 2018-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and with its compressor |
| CN110925194A (en) * | 2018-09-20 | 2020-03-27 | 艾默生环境优化技术(苏州)有限公司 | Thrust plate, movable scroll member and scroll compressor |
-
2015
- 2015-08-21 CN CN201520636177.0U patent/CN204941960U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542665A (en) * | 2017-08-22 | 2018-01-05 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
| CN108194362A (en) * | 2017-12-19 | 2018-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and with its compressor |
| CN108194362B (en) * | 2017-12-19 | 2024-04-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and compressor with same |
| CN110925194A (en) * | 2018-09-20 | 2020-03-27 | 艾默生环境优化技术(苏州)有限公司 | Thrust plate, movable scroll member and scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20200821 |