CN208950870U - Screw compressor eccentricity regulating mechanism and screw compressor - Google Patents
Screw compressor eccentricity regulating mechanism and screw compressor Download PDFInfo
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- CN208950870U CN208950870U CN201821833198.1U CN201821833198U CN208950870U CN 208950870 U CN208950870 U CN 208950870U CN 201821833198 U CN201821833198 U CN 201821833198U CN 208950870 U CN208950870 U CN 208950870U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000003860 storage Methods 0.000 claims description 28
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a kind of screw compressor eccentricity regulating mechanisms, including crankshaft and the eccentric bush being correspondingly arranged with the crankshaft, the crankshaft includes being capable of main shaft corresponding with motor, and the eccentric shaft relative to spindle eccentricity setting, the eccentric bush is set on the eccentric shaft, and it is connect with the eccentric shaft turns, the surface that the main shaft side is disposed around on the eccentric bush is the first bearing surface, first bearing surface is equipped with the first tangent plane in eccentricity angle limit position, the side of the main shaft is equipped with the second tangent plane in eccentricity angle limit position, when the eccentric bush rotates to eccentricity extreme position relative to main shaft, first tangent plane is bonded with second tangent plane.So that between crankshaft and eccentric bush being face contact described in the eccentricity angle limit position, avoids extrusion stress is excessive contact surface is caused to deform, stuck situation occur.
Description
Technical field
The utility model relates to compressor fields, more particularly to a kind of screw compressor eccentricity regulating mechanism and vortex
Compressor.
Background technique
In use, the orbiter of screw compressor is relatively rotated relative to fixed scroll, realizes the two volume
Engagement between tooth achievees the purpose that air-breathing, compression and exhaust.It is radial caused by the gap between two volume flank walls to avoid
Sealing problem occurs, higher to the requirement on machining accuracy of vortex wall thickness, is unfavorable for producing in batches.And screw compressor exists
When work, it inevitably will appear the abnormal loads such as liquid hammer.Therefore, it is set between the crankshaft of screw compressor and orbiter
Eccentric bush is set, the mismachining tolerance of vortex wall thickness is made up by the cooperation between eccentric bush and crankshaft, while mitigating or disappearing
Except abnormal load.And there are downthrusts in relative motion for crankshaft and eccentric bush, are easy to appear stuck situation, cause whirlpool
Eccentric bush can not play the function of adjusting eccentricity when revolving compressor operation.
Utility model content
Based on this, it is necessary to it is stuck for being easy between eccentric bush and crankshaft, cause eccentric bush that can not play adjusting
The problem of eccentricity, provides a kind of screw compressor eccentricity regulating mechanism and screw compressor.
A kind of screw compressor eccentricity regulating mechanism, including crankshaft and the eccentric bush being correspondingly arranged with the crankshaft,
The crankshaft include can main shaft corresponding with motor, and relative to spindle eccentricity setting eccentric shaft, the eccentric bush
It is set on the eccentric shaft, and is connect with the eccentric shaft turns, the main shaft side is disposed around on the eccentric bush
Surface is the first bearing surface, and first bearing surface is equipped with the first tangent plane in eccentricity angle limit position, the main shaft
Side is equipped with the second tangent plane in eccentricity angle limit position, when the eccentric bush rotates to eccentricity pole relative to main shaft
When extreme position, first tangent plane is bonded with second tangent plane.
Above scheme provides a kind of screw compressor eccentricity regulating mechanism, in corresponding screw compressor operational process
In, for the mismachining tolerance for making up vortex wall thickness, the eccentric bush can be relative to crank rotation, so that the main shaft of crankshaft and partially
It collides between heart bushing.And the setting of first tangent plane and the second tangent plane, so that in eccentricity angle limit position
Setting the collision between eccentric bush and crankshaft is realized in a manner of face contact, i.e., when eccentric bush rotates to eccentric measuring angle pole
When extreme position is abutted with main shaft side, first tangent plane is bonded with second tangent plane, is avoided as first supports in Fig. 3
The case where line contacts between junction and main shaft side occurs to avoid causing contact surface to deform because extrusion stress is excessive
Stuck situation.
First bearing surface is equipped with first two eccentricity angle limit positions and cuts in one of the embodiments,
Plane, the side of the main shaft are equipped with the second tangent plane two eccentricity angle limit positions, first tangent plane with
Second tangent plane corresponds.
The eccentric bush is split type structure in one of the embodiments, and is divided into auxiliary block and is equipped with described the
The combination block of one tangent plane, the auxiliary block can be fixedly connected with the combination block.
In one of the embodiments, the eccentric bush include the bush body being set on the eccentric shaft and with master
The balance weight that axis is correspondingly arranged, the balance weight, which is recessed inwardly to be formed towards the side of the main shaft, accommodates the spindle nose
Groove, the bottom wall of the groove is opposite with the end face of the main shaft, and the side wall of the groove is first bearing surface, described recessed
Plane where groove bottom wall is the first plane, is perpendicular to the groove bottom wall and by the plane in first tangent plane sideline
Second plane, by first plane and the segmentation of the second plane and portion corresponding with first tangent plane on the eccentric bush
It is divided into the combination block.
Side opposite and parallel with the first plane with auxiliary block in the combination block is equipped in one of the embodiments,
Bolt, in the auxiliary block position corresponding with the bolt be equipped with the matched jack of the bolt, the bolt is described in
Crankshaft it is axially extending.
First tangent plane is equipped with oil storage tank in one of the embodiments, and/or second tangent plane is equipped with storage
Oil groove.
The oil storage tank is the strip groove extended along the axis direction of the crankshaft in one of the embodiments,.
In one of the embodiments, when first tangent plane and second tangent plane are equipped with oil storage tank, institute
Stating the oil storage tank in the first tangent plane and second tangent plane is multiple, and corresponding first tangent plane and the second tangent plane
When fitting, the oil storage tank in first tangent plane is staggered with the oil storage tank in second tangent plane.
First tangent plane is equipped with self-lubricating coat in use in one of the embodiments, and/or second tangent plane is set
There is self-lubricating coat in use.
A kind of screw compressor, including above-mentioned screw compressor eccentricity regulating mechanism.
Above scheme provides a kind of screw compressor, mainly by using any of the above-described scroll compression as described in the examples
Contracting machine eccentricity regulating mechanism, when so that eccentric bush and main shaft relative rotation are to eccentricity angle limit position, first is cut flat with
Face is bonded with the second tangent plane, so that being limited the regulated value of eccentricity by way of face contact between eccentric bush and crankshaft
Within a predetermined range, extrusion stress is reduced, avoiding contact with face deformation causes stuck situation to occur.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of screw compressor described in the present embodiment；
Fig. 2 is the installation diagram in screw compressor described in Fig. 1 between crankshaft and eccentric bush；
Fig. 3 is between eccentric bush and crankshaft be point contact state diagram；
Fig. 4 is the structural schematic diagram of screw compressor eccentricity regulating mechanism described in the present embodiment；
The structural representation of Fig. 5 is eccentric bush when being split type structure screw compressor eccentricity regulating mechanism described in Fig. 4
Figure；
The structural schematic diagram of screw compressor eccentricity regulating mechanism described in Fig. 4 when Fig. 6 is equipped with oil storage tank；
Fig. 7 is the partial enlarged view in Fig. 6 at A；
Fig. 8 is that the structure of screw compressor eccentricity regulating mechanism described in Fig. 4 when eccentric bush is equipped with self-lubricating coat in use is shown
It is intended to；
Fig. 9 is the partial enlarged view in Fig. 8 at B.
Description of symbols:
10, screw compressor, 11, screw compressor eccentricity regulating mechanism, 111, crankshaft, 1111, main shaft, 1112, partially
Mandrel, 112, eccentric bush, 1121, auxiliary block, 1122, combination block, 1123, bush body, 1124, balance weight, 1125, recessed
Slot, the 113, first bearing surface, the 1131, first tangent plane, the 114, second tangent plane, 115, oil storage tank, 116, self-lubricating coat in use,
12, orbiter.
Specific embodiment
As shown in Figures 1 to 9, a kind of screw compressor eccentricity regulating mechanism 11 is provided in one embodiment, is wrapped
The eccentric bush 112 for including crankshaft 111 and being correspondingly arranged with the crankshaft 111, the crankshaft 111 includes can be corresponding with motor
Main shaft 1111, and relative to the eccentric shaft 1112 of 1111 eccentric setting of main shaft, the eccentric bush 112 is set in the bias
It on axis 1112, and is rotatablely connected with the eccentric shaft 1112, as shown in figure 4, being disposed around main shaft 1111 on the eccentric bush 112
The surface of side is the first bearing surface 113, and first bearing surface 113 is equipped with the first tangent plane in eccentricity angle limit position
1131, the side of the main shaft 1111 is equipped with the second tangent plane 114 in eccentricity angle limit position, when the eccentric bush
112 when rotating to eccentricity extreme position relative to main shaft 1111, first tangent plane 1131 and second tangent plane 114
Fitting.
Above scheme provides a kind of screw compressor eccentricity regulating mechanism 11, runs in corresponding screw compressor 10
It in the process, is the mismachining tolerance for making up vortex wall thickness, the eccentric bush 112 can be rotated relative to crankshaft 111, so that crankshaft
It collides between 111 main shaft 1111 and eccentric bush 112.And as shown in Fig. 4 to Fig. 9,1131 He of the first tangent plane
The setting of second tangent plane 114, so that the collision between eccentricity angle limit position eccentric bush 112 and crankshaft 111 is
It is realized in a manner of face contact.I.e. when eccentric bush 112, which rotates to eccentricity angle limit position, to abut with main shaft side, institute
It states the first tangent plane 1131 to be bonded with second tangent plane 114, avoid such as the first bearing surface 113 and main shaft 1111 in Fig. 3
There is stuck situation to avoid causing contact surface to deform because extrusion stress is excessive in the case where line contacts between side.
As depicted in figs. 1 and 2, crankshaft 111 is mainly used for for motor power being transferred to orbiter 12, general crankshaft 111
Including main shaft 1111 corresponding with motor, and relative to the eccentric shaft 1112 of 1111 eccentric setting of main shaft, and eccentric bush 112
It is set on eccentric shaft 1112, and 112 part-structure of eccentric bush is hung on the end of main shaft 1111.As shown in figure 3, existing in the past
When screw compressor 10 is run, when eccentric bush 112 rotates to eccentricity angle limit position relative to crankshaft 111, first is supported
Junction 113 is abutted in eccentricity angle limit position with the side of main shaft 1111, to be driven by crankshaft 111 or by crankshaft 111
It prevents.And be cambered surface based on the first bearing surface 113 and 1111 side of main shaft, therefore contacted between the two for line, cause to contact
Stress is larger, is easy to appear contact surface and deforms stuck situation.And in this case then by by the first bearing surface 113 in eccentric angulation
Degree extreme position is set as the first tangent plane 1131, corresponding that 1111 side of main shaft is set as second in eccentricity angle limit position
Tangent plane 114, so that as shown in figure 4, being between the two face contact when eccentric bush 112 and crankshaft 111 collide.It effectively reduces
Contact stress avoids stuck situation and occurs.
The visual angle of Fig. 3 to Fig. 9 is one end of the separate eccentric shaft 1112 from crankshaft 111 to close to eccentric shaft 1112 in this case
Direction, to be more clear structure, by the part blocked on eccentric bush 112 by main shaft 1111 and eccentric shaft 1112
Part be shown in figure.
Further, in one embodiment, as shown in figure 4, first bearing surface 113 is two eccentric measuring angle poles
Extreme position is equipped with the first tangent plane 1131, and the side of the main shaft 1111 is equipped with two eccentricity angle limit positions
Two tangent planes 114, first tangent plane 1131 are corresponded with second tangent plane 114.
By the first tangent plane 1131 and the second tangent plane 114 described in two groups of setting, so that as shown in figure 4, eccentric bush
112 when arriving eccentricity angle limit position relative to crankshaft 111 forward or reverse, connecing between eccentric bush 112 and crankshaft 111
Touching is face contact, improves the reliability used.
Further, as shown in figure 5, in one embodiment, the eccentric bush 112 is split type structure, and is divided into
Auxiliary block 1121 and combination block 1122 equipped with first tangent plane 1131, the auxiliary block 1121 can be with the combination block
1122 are fixedly connected.
The shape split type with auxiliary block 1121 is set by part corresponding with the first tangent plane 1131 on eccentric bush 112
Formula, so that in the fabrication process, it can be by 1121 separate machined of combination block 1122 and auxiliary block, it will be in the combination block 1122
First tangent plane 1131 after processing is completed, then with auxiliary block 1121 connects together, and reduces the difficulty of the first tangent plane 1131 manufacture
Degree improves processing efficiency.
Specifically, the segmentation form of combination block 1122 can have diversity on the eccentric bush 112, as long as can incite somebody to action
First tangent plane 1131 is split, to facilitate the first tangent plane 1131 of processing.
For example, in one embodiment, as shown in Figure 2 and Figure 5, the eccentric bush 112 includes being set in the bias
Bush body 1123 on axis 1112 and the balance weight 1124 being correspondingly arranged with main shaft 1111, the balance weight 1124 is towards described
The side of main shaft 1111 is recessed inwardly the groove 1125 to be formed and accommodate 1111 end of main shaft, the bottom wall of the groove 1125 with
The end face of the main shaft 1111 is opposite, and the side wall of the groove 1125 is first bearing surface 113,1125 bottom wall of groove
The plane at place is the first plane, perpendicular to 1125 bottom wall of groove and by the plane in 1131 sideline of the first tangent plane
For the second plane, on the eccentric bush 112 by first plane and the segmentation of the second plane and with first tangent plane
1131 corresponding parts are the combination block 1122.
As shown in figure 5,1111 side of main shaft and part corresponding with the first tangent plane 1131 will be suspended on eccentric bush 112
It splits, as combination block 1122.It can be by 1121 separate machined of combination block 1122 and auxiliary block, in combination block when processing
After individually processing the first tangent plane 1131 on 1122, then by 1122 assembly to auxiliary block 1121 of combination block, improve processing effect
Rate.
Further, in one embodiment, opposite with auxiliary block 1121 in the combination block 1122 and with the first plane
Parallel side is equipped with bolt, and position corresponding with the bolt is equipped with matched slotting with the bolt in the auxiliary block 1121
Hole, the bolt are axially extending along the crankshaft 111.When so that combination block 1122 being assembled in the auxiliary block 1121, energy
The reliability of connection is enough improved by the cooperation between the bolt and jack.
Further, as shown in Figure 6 and Figure 7, in one embodiment, first tangent plane 1131 is equipped with oil storage tank
115 and/or second tangent plane 114 be equipped with oil storage tank 115.So that in the first tangent plane 1131 and/or the second tangent plane 114
The ability of storage lubricating oil gets a promotion, and improves the lubricity between the first tangent plane 1131 and the second tangent plane 114, while
Has the effect of temporary abrasive dust.
Specifically, the structure and shape of the oil storage tank 115 can have diversity, as long as can be realized depositing for lubricating oil
Storage, to improve the lubricity between the first tangent plane 1131 and the second tangent plane 114.For example, in one embodiment,
The oil storage tank 115 is the strip groove extended along the axis direction of the crankshaft 111.
Further, in one embodiment, as shown in Figure 6 and Figure 7, when first tangent plane 1131 and described second
Oil storage tank 115 when tangent plane 114 is equipped with oil storage tank 115, in first tangent plane 1131 and second tangent plane 114
It is multiple, and when corresponding first tangent plane 1131 is bonded with the second tangent plane 114, the storage in first tangent plane 1131
Oil groove 115 is staggered with the oil storage tank 115 in second tangent plane 114.So that the oil storage tank in the first tangent plane 1131
115 and can be opposite with the second tangent plane 114, the oil storage tank 115 in the second tangent plane 114 can be with 1131 phase of the first tangent plane
It is right, to further increase the lubricant effect in the first tangent plane 1131 and the second tangent plane 114.
Further, in one embodiment, as shown in Figure 8 and Figure 9, first tangent plane 1131 is applied equipped with self-lubricating
Layer 116 and/or second tangent plane 114 are equipped with self-lubricating coat in use 116.Realizing the first tangent plane 1131 and the second tangent plane
Between 114 while self-lubricating, the hardness and wearability of the first tangent plane 1131 and the second tangent plane 114 also can be improved, from
And it improves service life.
Further, in another embodiment, a kind of screw compressor 10 is provided as shown in Figure 1, including above-mentioned
Screw compressor eccentricity regulating mechanism 11.
Above scheme provides a kind of screw compressor 10, mainly by using any of the above-described vortex as described in the examples
Compressor eccentricity regulating mechanism 11, so that eccentric bush 112 and 1111 relative rotation of main shaft to eccentricity angle limit position
When, the first tangent plane is bonded with 1,131 second tangent planes 114, so that passing through face contact between eccentric bush 112 and crankshaft 111
Mode limits the regulated value of eccentricity within a predetermined range, reduces extrusion stress, and avoiding contact with face deformation leads to stuck feelings
Condition occurs.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of screw compressor eccentricity regulating mechanism, which is characterized in that be correspondingly arranged including crankshaft and with the crankshaft
Eccentric bush, the crankshaft include can main shaft corresponding with motor, and relative to spindle eccentricity setting eccentric shaft, it is described
Eccentric bush is set on the eccentric shaft, and is connect with the eccentric shaft turns, and the master is disposed around on the eccentric bush
The surface of axis side is the first bearing surface, and first bearing surface is equipped with the first tangent plane, institute in eccentricity angle limit position
The side for stating main shaft is equipped with the second tangent plane in eccentricity angle limit position, when the eccentric bush is rotated to relative to main shaft
When eccentricity extreme position, first tangent plane is bonded with second tangent plane.
2. screw compressor eccentricity regulating mechanism according to claim 1, which is characterized in that first bearing surface exists
Two eccentricity angle limit positions are equipped with the first tangent plane, and the side of the main shaft is two eccentricity angle limit positions
It is equipped with the second tangent plane, first tangent plane and second tangent plane correspond.
3. screw compressor eccentricity regulating mechanism according to claim 1 or 2, which is characterized in that the eccentric bush
For split type structure, and it is divided into auxiliary block and the combination block equipped with first tangent plane, the auxiliary block can be with described group
Block is closed to be fixedly connected.
4. screw compressor eccentricity regulating mechanism according to claim 3, which is characterized in that the eccentric bush includes
The bush body being set on the eccentric shaft and the balance weight being correspondingly arranged with main shaft, the balance weight is towards the main shaft
Side is recessed inwardly the groove to be formed and accommodate the spindle nose, and the bottom wall of the groove is opposite with the end face of the main shaft, institute
The side wall for stating groove is first bearing surface, and the plane where the groove bottom wall is the first plane, perpendicular to the groove
Bottom wall and be the second plane by the plane in first tangent plane sideline, by first plane and the on the eccentric bush
The segmentation of two planes and part corresponding with first tangent plane are the combination block.
5. screw compressor eccentricity regulating mechanism according to claim 4, which is characterized in that in the combination block with it is auxiliary
Help block opposite and the side parallel with the first plane be equipped with bolt, in the auxiliary block position corresponding with the bolt be equipped with
The matched jack of bolt, the bolt are axially extending along the crankshaft.
6. screw compressor eccentricity regulating mechanism according to claim 1 or 2, which is characterized in that described first cuts flat with
Face is equipped with oil storage tank and/or second tangent plane is equipped with oil storage tank.
7. screw compressor eccentricity regulating mechanism according to claim 6, which is characterized in that the oil storage tank is along institute
State the strip groove that the axis direction of crankshaft extends.
8. screw compressor eccentricity regulating mechanism according to claim 6, which is characterized in that when first tangent plane
When being equipped with oil storage tank with second tangent plane, the oil storage tank in first tangent plane and second tangent plane is more
It is a, and when corresponding first tangent plane is bonded with the second tangent plane, the oil storage tank in first tangent plane is cut with described second
Oil storage tank in plane is staggered.
9. screw compressor eccentricity regulating mechanism according to claim 1 or 2, which is characterized in that described first cuts flat with
Face is equipped with self-lubricating coat in use and/or second tangent plane is equipped with self-lubricating coat in use.
10. a kind of screw compressor, which is characterized in that including the described in any item screw compressor eccentricity of claim 1 to 9
Regulating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833198.1U CN208950870U (en) | 2018-11-07 | 2018-11-07 | Screw compressor eccentricity regulating mechanism and screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833198.1U CN208950870U (en) | 2018-11-07 | 2018-11-07 | Screw compressor eccentricity regulating mechanism and screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950870U true CN208950870U (en) | 2019-06-07 |
Family
ID=66744292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821833198.1U Withdrawn - After Issue CN208950870U (en) | 2018-11-07 | 2018-11-07 | Screw compressor eccentricity regulating mechanism and screw compressor |
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| Country | Link |
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| CN (1) | CN208950870U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162928A (en) * | 2018-11-07 | 2019-01-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor eccentricity regulating mechanism and screw compressor |
| CN110541828A (en) * | 2019-09-20 | 2019-12-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjusting structure and compressor with same |
| CN112539194A (en) * | 2019-09-20 | 2021-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjusting structure and compressor with same |
| CN115822973A (en) * | 2022-11-29 | 2023-03-21 | 苏州中成新能源科技股份有限公司 | Eccentric mechanism for compressor and spraying processing device thereof |
-
2018
- 2018-11-07 CN CN201821833198.1U patent/CN208950870U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162928A (en) * | 2018-11-07 | 2019-01-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor eccentricity regulating mechanism and screw compressor |
| CN109162928B (en) * | 2018-11-07 | 2024-09-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric amount adjusting mechanism of scroll compressor and scroll compressor |
| CN110541828A (en) * | 2019-09-20 | 2019-12-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjusting structure and compressor with same |
| CN112539194A (en) * | 2019-09-20 | 2021-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjusting structure and compressor with same |
| CN112539194B (en) * | 2019-09-20 | 2023-10-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjusting structure and compressor with same |
| CN115822973A (en) * | 2022-11-29 | 2023-03-21 | 苏州中成新能源科技股份有限公司 | Eccentric mechanism for compressor and spraying processing device thereof |
| CN115822973B (en) * | 2022-11-29 | 2024-05-10 | 苏州中成新能源科技股份有限公司 | Eccentric mechanism for compressor and spraying processing device thereof |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190607 Effective date of abandoning: 20240920 |