CN106763219A - Bearing assembly and the compressor with it - Google Patents
Bearing assembly and the compressor with it Download PDFInfo
- Publication number
- CN106763219A CN106763219A CN201611105632.XA CN201611105632A CN106763219A CN 106763219 A CN106763219 A CN 106763219A CN 201611105632 A CN201611105632 A CN 201611105632A CN 106763219 A CN106763219 A CN 106763219A
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- Prior art keywords
- bearing
- annular
- bearing block
- elastic parts
- assembly according
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of bearing assembly and the compressor with it.Bearing assembly includes：Bearing；Bearing block, bearing block has bearing mounting hole, bearing is installed in bearing mounting hole, one of them of the inwall of bearing mounting hole and the periphery wall of bearing are provided with annular groove, and grease channel is formed with bearing block, grease channel has first port and second port, and first port is adapted to communicate with external lubrication oil；At least two ring elastic parts, ring elastic parts are located between bearing and bearing block, wherein at least one of ring elastic parts are located at the side of annular groove, at least one of ring elastic parts are located at the opposite side of annular groove, so as to annular accommodating chamber is formed between the periphery wall of annular groove, ring elastic parts and bearing, and annular accommodating chamber is connected with second port.Bearing assembly according to embodiments of the present invention, the design of grease channel is more flexible, and can reduce the vibration and noise produced when axle is rotated.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly, to a kind of bearing assembly and the compression with the bearing assembly
Machine.
Background technology
In correlation technique, the setting needs of oil supplying hole or oil supply gallery position and oil supplying hole or confession on bearing block on bearing
The position correspondence of oily passage, and the quantity of oil supplying hole or oil supply gallery will also lead to oil supplying hole on bearing block or fuel feeding on bearing
The quantity correspondence in road, this will limit the position and quantity of oil supplying hole or oil supply gallery on bearing and bearing block, so that not only right
The requirement on machining accuracy of bearing and bearing block is higher, and higher to the installation accuracy requirement of bearing and bearing block.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
Go out a kind of bearing assembly, the bearing component construction is simple, the design of grease channel is more flexible, and axle can be reduced to turn
The vibration produced when dynamic and noise.
The present invention also proposes a kind of compressor with above-mentioned bearing assembly.
The bearing assembly of embodiment according to a first aspect of the present invention, including：Bearing；Bearing block, the bearing block has axle
Mounting hole is held, the bearing is installed in the bearing mounting hole, the periphery of the inwall of the bearing mounting hole and the bearing
One of them of wall is provided with and grease channel is formed with annular groove, and the bearing block, and the grease channel has
First port and second port, the first port are adapted to communicate with external lubrication oil；At least two ring elastic parts, the annular
Elastic component is located between the bearing and the bearing block, wherein at least one of described ring elastic parts are located at the annular
At least one of the side of groove, described ring elastic parts are located at the opposite side of the annular groove, so that the annular is recessed
Form annular accommodating chamber between the periphery wall of groove, the ring elastic parts and the bearing, and the annular accommodating chamber and described the
Two-port netwerk is connected.
Bearing assembly according to embodiments of the present invention, by the inwall and the periphery wall of bearing in bearing mounting hole wherein
One is provided with the annular accommodating chamber of formation between annular groove, the periphery wall of annular groove, ring elastic parts and bearing, so that
The quantity of the grease channel on grease channel and bearing on bearing block and position will not influence each other and restrict, so that
The processing for obtaining bearing block and bearing is more flexible, and assembling is also simpler and convenient.And annular accommodating chamber is by annular groove, ring
The periphery wall of shape elastic component and bearing is constituted, and the sealing of annular accommodating chamber preferably, is not susceptible to leakage.In addition, cyclic spring
Part is located between bearing and bearing block, and the vibration that generation is relatively rotated between axle and bearing passes to bearing by ring elastic parts
Seat, ring elastic parts provide damping for bearing, such that it is able to substantially reduce vibration that axle and bearing produce in relative rotation with
Noise.And when multiple bearings are provided with axle, by the elastic telescopic of ring elastic parts, the axiality between multiple bearings
Deviation can voluntarily adjust centering within the specific limits, so as to improve rotation precision, reduce assembly difficulty.
In addition, bearing assembly according to embodiments of the present invention, can also have following additional technical feature：
The periphery wall of some embodiments of the invention, the inwall of the bearing mounting hole or the bearing is provided with peace
Tankage, at least a portion of the ring elastic parts is contained in the mounting groove.
Some embodiments of the invention, the annular groove includes annular bottom wall and is connected to the annular bottom
The first annular side wall at wall two ends and the second annular sidewall, the angle α between the first annular side wall and the annular bottom wall are expired
The following relational expression of foot：90 ° of 180 ° of ＜ α ＜, the angle β between second annular sidewall and the annular bottom wall meet following relation
Formula：90 ° of 180 ° of ＜ α ＜.
Some embodiments of the invention, are provided with relative for limiting the bearing between the bearing and the bearing block
The locating part that the bearing block is circumferentially rotated.
Some embodiments of the invention, the locating part is key.
One of them of some embodiments of the invention, the bearing block and the bearing are provided with along the bearing
The protuberance that another end face in seat and the bearing extends.
Some embodiments of the invention, the axial end of the bearing block is provided with baffle plate, the baffle plate with it is described
Bearing face coordinates carries out axial limiting with to the bearing.
Some embodiments of the invention, the spacing L between the bearing and the baffle plate meets following relational expression：0 ＜ L
＜ 1mm.
Some embodiments of the invention, the annular groove is located on the inwall of the bearing mounting hole.
The compressor of embodiment according to a second aspect of the present invention, including according to the axle of above-mentioned first aspect embodiment of the invention
Bearing assembly.
Compressor according to embodiments of the present invention, by setting the bearing group according to above-mentioned first aspect embodiment of the invention
Part, can improve the riding quality of compressor.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the sectional view of the part-structure of bearing assembly according to a first embodiment of the present invention；
Fig. 2 is the sectional view of the part-structure of bearing assembly according to a second embodiment of the present invention；
Fig. 3 is the sectional view of the part-structure of bearing assembly according to a third embodiment of the present invention.
Reference：
Bearing assembly 100；
Bearing 1；Mounting groove 11；
Bearing block 2；Bearing mounting hole 21；Annular groove 211；Annular bottom wall 2111；First annular side wall 2112；Second ring
Shape side wall 2113；Grease channel 22；First port 221；Second port 222；Annular accommodating chamber 23；Groove 24；
Ring elastic parts 3；Protuberance 4；Baffle plate 5；Key 6；Screw 7；
Axle 200.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and is simplified description, it is necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or two interaction relationships of element.For the ordinary skill in the art, can be with
Above-mentioned term concrete meaning in the present invention is understood as the case may be.
The bearing assembly 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, bearing assembly 100 according to embodiments of the present invention includes：Bearing 1, bearing block 2 and at least two
Individual ring elastic parts 3.
Bearing 1 is suitable to coordinate with axle 200 and is rotated with support shaft 200, and bearing block 2 has bearing mounting hole 21, and bearing 1 is installed
In bearing mounting hole 21, one of them of the inwall of bearing mounting hole 21 and the periphery wall of bearing 1 are provided with annular groove
211, that is to say, that annular groove 211 can be located on the inwall of bearing mounting hole 21, it is also possible to be located at the periphery wall of bearing 1
On, and grease channel 22 is formed with bearing block 2, grease channel 22 has interconnected first port 221 and second
Port 222, first port 221 is adapted to communicate with external lubrication oil, that is to say, that can be logical towards lubricating oil by first port 221
Filling lubricating oil in road 22 can be manually towards filling lubricating oil in first port 221, or in first port 221
Place connecting line and valve, by control valve towards the automatic filling lubricating oil of first port 221.
At least two ring elastic parts 3, that is to say, that the number of ring elastic parts 3 can be two, three or more,
At least one of ring elastic parts 3 are located at least one of the side of annular groove 211, ring elastic parts 3 and are located at annular
The opposite side of groove 211, so as to annular accommodating chamber 23 is formed between the periphery wall of annular groove 211, ring elastic parts 3 and bearing 1,
And annular accommodating chamber 23 is connected with second port 222, the lubricating oil being now filled into grease channel 22 passes through second port
222 enter in annular accommodating chamber 23.
It is understood that to cause lubricating oil by bearing block and bearing enter between bearing and the contact surface of axle with
Bearing is lubricated with axle, it is necessary to the grease channel ensured on bearing block is connected with the grease channel on bearing, so that
, it is necessary to ensure machining accuracy higher in the process of bearing block and bearing, the grease channel on bearing and bearing block
Position and quantity be intended to be restricted.
In the application, by the periphery wall in the inwall of bearing mounting hole 21 and bearing 1 one of them on be provided with annular
Annular accommodating chamber 23, annular accommodating chamber 23 are formed between groove 211, the periphery wall of annular groove 211, ring elastic parts 3 and bearing 1
Connected with the grease channel 22 on bearing block 2, the lubricating oil filled from first port 221 is introduced into annular accommodating chamber 23
It is interior, then from annular accommodating chamber 23 to lubricating oil is supplied between the contact surface of bearing 1 and bearing block 2, as long as so ensureing on bearing block 2
Grease channel 22 is turned on annular accommodating chamber 23, while the grease channel on bearing 1 is turned on annular accommodating chamber 23,
So that the quantity of grease channel on grease channel 22 and bearing 1 on bearing block 2 and position will not influence each other
And restriction, so that the processing of bearing block 2 and bearing 1 is more flexible, assembling is also simpler and convenient.In addition, annular is held
Receive chamber 23 is made up of the periphery wall of annular groove 211, ring elastic parts 3 and bearing 1, the sealing of annular accommodating chamber 23 preferably,
It is not susceptible to leakage.
In addition, ring elastic parts 3 are located between bearing 1 and bearing block 2, relatively rotate what is produced between axle 200 and bearing 1
Vibration passes to bearing block 2 by ring elastic parts 3, it is to avoid vibration is directly passed into bearing block 2, and ring elastic parts 3 are axle
1 offer damping is held, such that it is able to substantially reduce vibration and the noise that axle 200 and bearing 1 are produced when relatively rotating.And work as axle
When being provided with multiple bearings 1 on 200, by the elastic telescopic of ring elastic parts 3, the coaxiality deviation between multiple bearings 1 can
Centering is voluntarily adjusted within the specific limits, so as to improve rotation precision, reduces assembly difficulty.
Bearing assembly 100 according to embodiments of the present invention, by the inwall in bearing mounting hole 21 and the periphery wall of bearing 1
One of them be provided between annular groove 211, the periphery wall of annular groove 211, ring elastic parts 3 and bearing 1 formed annular
Accommodating chamber 23, so that the quantity of grease channel on grease channel 22 and bearing 1 on bearing block 2 and position will not
Influence each other and restrict, so that the processing of bearing block 2 and bearing 1 is more flexible, assembling is also simpler and convenient.And
Annular accommodating chamber 23 is made up of the periphery wall of annular groove 211, ring elastic parts 3 and bearing 1, the sealing of annular accommodating chamber 23
Preferably, it is not susceptible to leakage.In addition, ring elastic parts 3 are located between bearing 1 and bearing block 2, it is relative between axle 200 and bearing 1
Rotate the vibration for producing and pass to bearing block 2 by ring elastic parts 3, ring elastic parts 3 are that bearing 1 provides damping, so that can
To substantially reduce vibration and the noise that axle 200 and bearing 1 are produced when relatively rotating.And when being provided with multiple axles on axle 200
When holding 1, by the elastic telescopic of ring elastic parts 3, the coaxiality deviation between multiple bearings 1 can be adjusted voluntarily within the specific limits
Section centering, so as to improve rotation precision, reduces assembly difficulty.
Preferably, the spacing between the inwall of bearing mounting hole 21 and the periphery wall of bearing 1 is more than 0 and less than 1mm, so that
More preferably, and axiality between multiple bearings 1 is higher for the damping of bearing assembly 100, noise reduction.
Alternatively, ring elastic parts 3 can be made up of soft materials such as elastomeric material or silica gel materials.
In some embodiments of the invention, as shown in figs. 1-3, annular groove 211 is located at bearing mounting hole 21
On inwall, processing more facilitates.
In some embodiments of the invention, the periphery wall of the inwall of bearing mounting hole 21 or bearing 1 is provided with mounting groove
11, at least a portion of ring elastic parts 3 is contained in mounting groove 11, that is to say, that can be in the inwall of bearing mounting hole 21
It is provided with least one of mounting groove 11 for accommodating ring elastic parts 3, it is also possible to be provided with use on the periphery wall of bearing 1
In at least one of mounting groove 11 for accommodating ring elastic parts 3, so as to ring elastic parts 3 are positioned in mounting groove 11,
In the assembling process of bearing assembly 100 or when support shaft 200 is rotated, ring elastic parts 3 will not occur play and come off, and carry
The installation accuracy and reliability of bearing assembly high 100.
For example, in the example shown in Fig. 1-Fig. 3, mounting groove 11 is located at the periphery wall of bearing 1, enter in bearing assembly 100
, first can be enclosed within ring elastic parts 3 on the periphery wall of bearing 1, and make at least a portion card of ring elastic parts 3 by luggage timing
Enter in mounting groove 11, the position of ring elastic parts 3 is fixed, bearing 1 and ring elastic parts 3 are then installed in bearing together again
In mounting hole 21, easy to assembly, high precision, so as to ensure the sealing and bearing assembly 100 of annular accommodating chamber 23 in use
Reliability.
In a preferred embodiment of the invention, as shown in Figure 1-Figure 3, annular groove 211 includes annular bottom wall 2111
With the annular sidewall 2113 of first annular side wall 2112 and second for being connected to the two ends of annular bottom wall 2111, first annular side wall
Angle α between 2112 and annular bottom wall 2111 meets following relational expression：90 ° of 180 ° of ＜ α ＜, the second annular sidewall 2113 and annular
Angle β between bottom wall 2111 meets following relational expression：90 ° of 180 ° of ＜ α ＜, that is to say, that first annular side wall 2112 and annular bottom
More than 90 ° and less than 180 °, the angle β between the second annular sidewall 2113 and annular bottom wall 2111 is more than angle α between wall 2111
90 ° and less than 180 °, such that it is able to avoid in the assembling process of bearing assembly 100, ring elastic parts 3 are by annular groove 211
Corner angle damage, it is ensured that the reliability of bearing assembly 100.
Certain the application is not limited to this, and the angle α between first annular side wall 2112 and annular bottom wall 2111 can also be big
In 0 and less than or equal to 90 °；Angle β between the second annular sidewall 2113 and annular bottom wall 2111 can also be more than 0 and be less than
Or equal to 90 °.
Alternatively, the annular sidewall 2113 of first annular side wall 2112 and second can be towards the annular convex of accommodating chamber 23
The cambered surface for going out, is so also possible to prevent in the assembling process of bearing assembly 100, and ring elastic parts 3 are damaged.
In some embodiments of the invention, it is provided between bearing 1 and bearing block 2 for limiting the relative bearing block of bearing 12 weeks
To the locating part for rotating, so that support of the bearing 1 to axle 200 is more reliable and more stable.
Alternatively, as shown in Figure 1-Figure 3, locating part is key 6, easy to assembly, good positioning effect.
Preferably, can be along bearing 1 and circumferentially disposed multiple locating parts of bearing block 2, so that between bearing 1 and bearing block 2
It is circumferentially positioned relatively reliable.
In some embodiments of the invention, one of them of bearing block 2 and bearing 1 are provided with along bearing block 2 and bearing 1
In another end face extend protuberance 4.Specifically, the protrusion extended along the end face of bearing 1 can be provided with bearing block 2
Portion 4, the protuberance 4 on bearing block 2 is mutually only supported with the end face of bearing 1, is moved axially with respect to bearing block 2 with limiting bearing 1；Axle
Hold the protuberance 4 that can also be provided with 1 and extended along the end face of bearing block 2, the end face phase of protuberance 4 on bearing 1 and bearing block 2
Mutually only support, moved axially with respect to bearing block 2 with limiting bearing 1, so that support of the bearing 1 to axle 200 is more reliable and more stable.
In some embodiments of the invention, the axial end of bearing block 2 is provided with baffle plate 5, baffle plate 5 and the end face of bearing 1
Cooperation carries out axial limiting with to bearing 1, so as to limit bearing 1 be moved axially with respect to bearing block 2, thus makes bearing 1 to axle 200
Support it is more reliable and more stable.
Preferably, the spacing L between bearing 1 and baffle plate 5 meets following relational expression：0 ＜ L ＜ 1mm, that is to say, that the He of bearing 1
For gap coordinates between baffle plate 5, the spacing L between bearing 1 and baffle plate 5 is more than 0 and less than 1mm, so that baffle plate 5 is carried out to bearing 1
While axial limiting, the Automatic adjusument of bearing 1 is not influenceed.Certain the application is not limited to this, between bearing 1 and baffle plate 5
Spacing L can also be more than or equal to 1mm.
In one particular embodiment of the present invention, as shown in figure 1, the right side of bearing 1 is provided with the right-hand member along bearing block 2
The protuberance 4 that face extends, protuberance 4 and the right side of bearing block 2 are stopped to and the right side of bearing block 2 is provided with baffle plate 5, keeps off
Plate 5 coordinates with the right side of bearing 1, and the protuberance 4 of bearing 1 is located between the right side of bearing block 2 and baffle plate 5, so that axle
Hold 1 movement relative to bearing block 2 in the lateral direction to be limited, support of the bearing 1 to axle 200 is more reliable and more stable.It is preferred that
Ground, as shown in figure 1, the right side of bearing block 2 is provided with the groove 24 through the inwall of bearing mounting hole 21, protuberance 4 is matched somebody with somebody just
Close in the groove 24 so that the right side of bearing 1 and bearing block 2 flushes, and the overall structure of bearing assembly 100 is compacter.
In another specific embodiment of the invention, as shown in Fig. 2 there is the left side along bearing 1 on the left side of bearing block 2
The protuberance 4 that end face extends, is moved to the left with respect to bearing block 2 with limiting bearing 1, and bearing block 2 right side overhead gage 5, gear
The right side of plate 5 and bearing 1 coordinates and is moved right with limiting the relative bearing block 2 of bearing 1, and the bearing block 2 relatively of bearing 1 is in right and left
Upward movement is limited, and support of the bearing 1 to axle 200 is more reliable and more stable, and the structure of bearing assembly 100 is more more
Sample.
In another specific embodiment of the invention, as shown in figure 3, the left side of bearing block 2 is provided with a baffle plate
5, the left side of the baffle plate 5 and bearing 1 coordinates and is moved to the left with limiting the relative bearing block 2 of bearing 1, on the right side of bearing block 2
A baffle plate 5 is provided with, the right side of the baffle plate 5 and bearing 1 coordinates and moved right to limit the relative bearing block 2 of bearing 1, bearing 1
Limited relative to the movement in the lateral direction of bearing block 2, support of the bearing 1 to axle 200 is more reliable and more stable, and bearing
The structure of component 100 is more diversified.
Alternatively, baffle plate 5 and bearing block 2 are linked together by fastener, simple structure, be easy to dismounting.For example, in figure
In example shown in 1- Fig. 3, baffle plate 5 and bearing block 2 are connected and fixed by screw 7.Preferably, screw 7 includes multiple,
And along the circumferentially-spaced distribution of bearing block 2, can so cause that the connection between baffle plate 5 and bearing block 2 is more reliable and more stable, so that
Bearing 1 can be preferably limited to be moved relative to bearing block 2.
The compressor of embodiment according to a second aspect of the present invention, including embodiment according to a first aspect of the present invention are described below
Bearing assembly 100.
Compressor according to embodiments of the present invention, by the bearing assembly for setting embodiment according to a second aspect of the present invention
100, the service behaviour of compressor can be improved.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can in an appropriate manner be combined in one or more any embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of bearing assembly, it is characterised in that including：
Bearing；
Bearing block, the bearing block has bearing mounting hole, and the bearing is installed in the bearing mounting hole, the bearing peace
One of them of the inwall in dress hole and the periphery wall of the bearing are provided with and lubrication are formed with annular groove, and the bearing block
Oily passage, the grease channel has first port and second port, and the first port is adapted to communicate with external lubrication oil；
At least two ring elastic parts, the ring elastic parts are located between the bearing and the bearing block, wherein the ring
At least one of shape elastic component be located at least one of the side of the annular groove, described ring elastic parts be located at it is described
The opposite side of annular groove, and the annular accommodating chamber connects with the second port.
2. bearing assembly according to claim 1, it is characterised in that the inwall of the bearing mounting hole or the bearing
Periphery wall is provided with mounting groove, and at least a portion of the ring elastic parts is contained in the mounting groove.
3. bearing assembly according to claim 1, it is characterised in that the annular groove includes annular bottom wall and connects respectively
It is connected on the first annular side wall and the second annular sidewall at the annular bottom wall two ends, the first annular side wall and the annular bottom
Angle α between wall meets following relational expression：90 ° of 180 ° of ＜ α ＜, the angle between second annular sidewall and the annular bottom wall
β meets following relational expression：90 ° of 180 ° of ＜ α ＜.
4. bearing assembly according to claim 1, it is characterised in that be provided with for limiting between the bearing and the bearing block
Make the locating part that the relatively described bearing block of the bearing is circumferentially rotated.
5. bearing assembly according to claim 4, it is characterised in that the locating part is key.
6. bearing assembly according to claim 1, it is characterised in that in one of them of the bearing block and the bearing
It is provided with the protuberance extended along another the end face in the bearing block and the bearing.
7. the bearing assembly according to any one of claim 1-6, it is characterised in that on the axial end of the bearing block
Baffle plate is provided with, the baffle plate coordinates with the bearing face carries out axial limiting with to the bearing.
8. bearing assembly according to claim 7, it is characterised in that the spacing L between the bearing and the baffle plate meets
Following relational expression：0 ＜ L ＜ 1mm.
9. the bearing assembly according to claim 1, it is characterised in that the annular groove is located at the bearing mounting hole
Inwall on.
10. a kind of compressor, it is characterised in that including the bearing assembly according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105632.XA CN106763219A (en) | 2016-12-05 | 2016-12-05 | Bearing assembly and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105632.XA CN106763219A (en) | 2016-12-05 | 2016-12-05 | Bearing assembly and the compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763219A true CN106763219A (en) | 2017-05-31 |
Family
ID=58878355
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611105632.XA Pending CN106763219A (en) | 2016-12-05 | 2016-12-05 | Bearing assembly and the compressor with it |
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Application publication date: 20170531 |