CN208749829U - Bearing assembly and compressor with it - Google Patents
Bearing assembly and compressor with it Download PDFInfo
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- CN208749829U CN208749829U CN201821432077.6U CN201821432077U CN208749829U CN 208749829 U CN208749829 U CN 208749829U CN 201821432077 U CN201821432077 U CN 201821432077U CN 208749829 U CN208749829 U CN 208749829U
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- lubrication channel
- bearing
- rotating ring
- side wall
- bearing assembly
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Abstract
The utility model provides a kind of bearing assembly and the compressor with it, and bearing assembly includes: retainer component；Bearing stationary ring；Bearing rotating ring, retainer component are arranged between bearing stationary ring and bearing rotating ring, and the end face of bearing rotating ring is provided with lubrication channel.The bearing assembly of the utility model solves the problems, such as that the bearing rotating ring end wear amount of bearing assembly in the prior art is larger.
Description
Technical field
The utility model relates to compressor fields, in particular to a kind of bearing assembly and with its compressor.
Background technique
Abrasion power consumption in slide plate head is larger in the process of running for rotary blade type compressor, in order to reduce this part power consumption, uses
The inner ring of rolling bearing can follow slide plate to rotate around the spindle as cylinder, make the sliding friction on slide plate head Yu cylinder inner wall face
It is converted into the rolling friction with rolling bearing, substantially reduces the abrasion power consumption on slide plate head.
Since bearing inner race follows slide plate to rotate, inner ring end face and end face of flange become friction pair, and due to interior
Circle is relatively large in diameter, and linear velocity is big, square directly proportional, therefore the program bearing inner race end of friction power loss herein and linear velocity
The abrasion power consumption of face and end face of flange is bigger, also will form inordinate wear when serious, reduces the performance of compressor, influences to compress
The reliability of machine.
Utility model content
The main purpose of the utility model is to provide a kind of bearing assembly and with its compressor, to solve existing skill
The larger problem of the bearing rotating ring end wear amount of bearing assembly in art.
To achieve the goals above, one aspect according to the present utility model provides a kind of bearing assembly, comprising: protects
Hold frame component；Bearing stationary ring；Bearing rotating ring, retainer component are arranged between bearing stationary ring and bearing rotating ring, bearing rotating ring
End face is provided with lubrication channel.
Further, lubrication channel includes: the first lubrication channel, and the end face of bearing rotating ring is arranged in the first lubrication channel
On；Wherein, the first lubrication channel extends along the circumferential direction side of bearing rotating ring.
Further, the first lubrication channel is ring shaped oil passage, and the first lubrication channel has the first side wall and and the first side wall
The second sidewall being oppositely arranged, wherein the projection of the first side wall and second sidewall on the end face of bearing rotating ring is circle.
Further, the first lubrication channel is at least two, circumferential appearance of each first lubrication channel in bearing rotating ring
Setting is spaced on the direction of circumferential inner surface towards bearing rotating ring.
Further, at least two first lubrication channels are connected.
Further, the first lubrication channel is two, and first the first lubrication channel and second the first lubrication channel exist
The circumferential exterior surface of bearing rotating ring is set gradually to the direction of the circumferential inner surface of bearing rotating ring, wherein first first lubrication
The depth in channel is h2, and the depth of second the first lubrication channel is h5, and the height of bearing rotating ring is H, 0.05mm≤h5≤h2
≤0.1H。
Further, the overall width of multiple first lubrication channels is a, and the internal diameter of bearing rotating ring is r1, bearing rotating ring it is outer
Diameter is r4, wherein a≤0.5* (r4-r1).
Further, the second sidewall that the first lubrication channel has the first side wall and is oppositely arranged with the first side wall, first
Side wall and second sidewall are arc surface, and the internal diameter of bearing rotating ring is r1, and the outer diameter of bearing rotating ring is r4, the radius of the first side wall
For r2, the radius of second sidewall is r3, wherein r3 > r2,0.1* (r4-r1)≤r2-r1≤0.8* (r4-r1).
Further, the second sidewall that the first lubrication channel has the first side wall and is oppositely arranged with the first side wall, first
Side wall and second sidewall are arc surface, and the internal diameter of bearing rotating ring is r1, and the outer diameter of bearing rotating ring is r4, the radius of the first side wall
For r2, the radius of second sidewall is r3, wherein 0.05mm≤r3-r2≤0.5* (r4-r1).
Further, lubrication channel further include: the end face of bearing rotating ring is arranged in the second lubrication channel, the second lubrication channel
On；Wherein, the second lubrication channel is connected with the first lubrication channel.
Further, the second lubrication channel has oil inlet and oil outlet, the circumferential exterior surface of oil inlet and bearing rotating ring
Intersection, oil outlet are connected with the first lubrication channel.
Further, oil outlet and oil inlet are set gradually along the rotation direction of bearing rotating ring.
Further, the second lubrication channel is expansion slot, and the second lubrication channel is gradually expanded from oil outlet to oil inlet.
Further, there is the first connection plane between the first end of oil outlet and the first end of oil inlet, oil outlet
There is the second connection plane between second end and the second end of oil inlet, have between the first connection plane and the second connection plane
Default angle b, wherein 0≤b≤60 °.
Further, the 4th side wall that the second lubrication channel has third side wall and is oppositely arranged with third side wall, third
Side wall and the 4th side wall are arc surface.
Further, there is prepsetting gap h0, the first lubrication channel has between third side wall and the center of circle of the 4th side wall
The first side wall and the second sidewall being oppositely arranged with the first side wall, second sidewall intersect with the second lubrication channel, and second sidewall is
Arc surface, the internal diameter of bearing rotating ring are r1, and the outer diameter of bearing rotating ring is r4, and the radius of second sidewall is r3, the half of third side wall
Diameter is r5, and the radius of the 4th side wall is r6, h0+ (r4-r1)≤r5≤r6≤2r3, h0≤0.2r3.
Further, the height of bearing rotating ring is H, and the depth of the first lubrication channel is h2, the depth of the second lubrication channel
For h1, wherein 0.05mm≤h1≤h2≤0.1H.
Further, the first lubrication channel is multiple, the circumferential direction side of end face of multiple first lubrication channels in bearing rotating ring
Interval setting upwards.
Further, bearing assembly further include: the circumferential direction of bearing rotating ring is arranged in third lubrication channel, third lubrication channel
On outer surface；Wherein, third lubrication channel is connected with lubrication channel.
Further, lubrication channel is provided on two end faces of bearing rotating ring.
Another aspect according to the present utility model, provides a kind of compressor, including bearing assembly, and bearing assembly is above-mentioned
Bearing assembly.
Further, the bearing rotating ring of bearing assembly is bearing inner race, compressor further include: upper flange；Lower flange, bearing
Component is arranged between upper flange and lower flange；Wherein, bearing rotating ring can be rotatably set relative to upper flange, bearing rotating ring phase
Lower flange can be rotatably set.
The bearing assembly of the utility model is by being provided with lubrication channel on the end face of bearing rotating ring, so as in axis
Hold rotating ring rotation when, lubricating oil can be diffused on the end face of bearing rotating ring from lubrication channel so that the end face of bearing rotating ring with
There is sufficient lubricating oil between its adjacent component, the abrasion occurred in contact process is prevented with this, solves existing skill
The larger problem of the bearing inner race end wear amount of bearing assembly in art.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the decomposition texture schematic diagram of the embodiment of bearing assembly according to the present utility model；
Fig. 2 shows the structural schematic diagrams of one embodiment of bearing assembly according to the present utility model；
Fig. 3 shows the schematic diagram of the section structure of one embodiment of bearing assembly according to the present utility model；
Fig. 4 shows the partial enlargement structural representation at the A of the bearing assembly in Fig. 3；
Fig. 5 shows the structural schematic diagram of second embodiment of bearing assembly according to the present utility model；
Fig. 6 shows the schematic diagram of the section structure of second embodiment of bearing assembly according to the present utility model；
Fig. 7 shows the partial enlargement structural representation at the B of the bearing assembly in Fig. 6；
Fig. 8 shows the top view of a state of the partial structurtes of compressor according to the present utility model；
Fig. 9 shows the top view of another state of the partial structurtes of compressor according to the present utility model；
Figure 10 shows the decomposition texture schematic diagram of the partial structurtes of compressor according to the present utility model.
Wherein, the above drawings include the following reference numerals:
10, bearing rotating ring；20, the first lubrication channel；21, the first side wall；22, second sidewall；30, the second lubrication channel；
31, oil inlet；32, oil outlet；33, third side wall；34, the 4th side wall；40, bearing stationary ring；50, retainer component；60, upper method
It is blue；70, lower flange；80, main shaft；90, slide plate；100, lower cover plate；110, pump housing screw；120, compression chamber；130, raceway.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The utility model provides a kind of bearing assembly, please refers to Fig. 1 to Fig. 7, and bearing assembly includes: retainer component
50；Bearing stationary ring 40；Bearing rotating ring 10, retainer component 50 are arranged between bearing stationary ring 40 and bearing rotating ring, bearing rotating ring
10 end face is provided with lubrication channel.
The bearing assembly of the utility model by being provided with lubrication channel on the end face of bearing rotating ring 10, so as to
When bearing rotating ring 10 rotates, lubricating oil can be diffused on the end face of bearing rotating ring 10 from lubrication channel, so that bearing rotating ring 10
End face component adjacent thereto between there is sufficient lubricating oil, the abrasion occurred in contact process is prevented with this, is solved
The larger problem of the bearing inner race end wear amount of bearing assembly in the prior art.
In the present embodiment, bearing assembly is made of retainer component 50, bearing stationary ring 40 and bearing rotating ring 10, is kept
Frame component 50 is arranged between bearing stationary ring 40 and bearing rotating ring, and bearing rotating ring 10 is rotationally set relative to bearing stationary ring 40
It sets.
In the present embodiment, bearing stationary ring 40 is bearing outer ring, and bearing rotating ring 10 is bearing inner race.
For the concrete composition of lubrication channel, as shown in Figure 1, lubrication channel includes: the first lubrication channel 20, the first lubrication
Channel 20 is arranged on the end face of bearing rotating ring 10；Wherein, the first lubrication channel 20 extends along the circumferential direction side of bearing rotating ring 10.
In the present embodiment, the first lubrication channel 20 is arranged on the end face of bearing rotating ring 10, and is located at bearing rotating ring 10
End face middle part, i.e., be spaced setting with the circumferential inner surface of bearing rotating ring and circumferential exterior surface.In view of bearing rotating ring 10
For ring structure, therefore the first lubrication channel 20 extends along the circumferential direction side of bearing rotating ring 10, guarantees the adequacy of lubrication with this.
For the specific structure of the first lubrication channel 20, as shown in Figure 2 and Figure 5, the first lubrication channel 20 is ring shaped oil passage,
The second sidewall 22 that first lubrication channel 20 has the first side wall 21 and is oppositely arranged with the first side wall 21, wherein the first side wall
21 and projection of the second sidewall 22 on the end face of bearing rotating ring 10 are circle.
For one embodiment of the first lubrication channel 20, as shown in Figures 5 to 7, the first lubrication channel 20 is at least
Two, each first lubrication channel 20 is in the direction of circumferential inner surface of the circumferential exterior surface to bearing rotating ring 10 of bearing rotating ring 10
Upper interval setting.
In the present embodiment, the first lubrication channel 20 is at least two, and each first lubrication channel 20 is in bearing rotating ring 10
Circumferential exterior surface be spaced setting on the direction of the circumferential inner surface of bearing rotating ring 10, i.e., multiple ring shaped oil passages are dynamic around bearing
The inner hole of ring 10 is arranged from inside to outside, and each first lubrication channel 20 is not connected to mutually.
Preferably, the first lubrication channel 20 is two.
Optionally, at least two first lubrication channels 20 are connected.
For the depth of the first lubrication channel 20, as shown in Figure 6 and Figure 7, the first lubrication channel 20 is two, first the
One lubrication channel 20 and second the first lubrication channel 20 bearing rotating ring 10 circumferential direction from circumferential exterior surface to bearing rotating ring 10
The direction of inner surface is set gradually, wherein the depth of first the first lubrication channel 20 is h2, second the first lubrication channel 20
Depth be h5, the height of bearing rotating ring 10 is H, 0.05mm≤h5≤h2≤0.1H.
In the present embodiment, from the circumferential exterior surface of bearing rotating ring 10 to the direction of the circumferential inner surface of bearing rotating ring 10
On, the depth of the first lubrication channel 20 is sequentially reduced.
In order to guarantee reliability of structure, as shown in figure 5, the overall width of multiple first lubrication channels 20 is a, bearing rotating ring
10 internal diameter is r1, and the outer diameter of bearing rotating ring 10 is r4, wherein a≤0.5* (r4-r1).
In the present embodiment, the overall width of multiple first lubrication channels 20 is up to the half of 10 thickness of bearing rotating ring.
For second embodiment of the first lubrication channel 20, as shown in Figures 2 to 4, the first lubrication channel 20 has the
One side wall 21 and the second sidewall 22 being oppositely arranged with the first side wall 21, the first side wall 21 and second sidewall 22 are arc surface,
The internal diameter of bearing rotating ring 10 is r1, and the outer diameter of bearing rotating ring 10 is r4, and the radius of the first side wall 21 is r2, the half of second sidewall 22
Diameter is r3, wherein r3 > r2,0.1* (r4-r1)≤r2-r1≤0.8* (r4-r1).
In the present embodiment, the first lubrication channel 20 is annular groove, i.e. the first side wall 21 of the first lubrication channel 20 and the
Two side walls 22 are arc surface.
Preferably, as shown in figure 3, the first lubrication channel 20 has the first side wall 21 and is oppositely arranged with the first side wall 21
Second sidewall 22, the first side wall 21 and second sidewall 22 are arc surface, and the internal diameter of bearing rotating ring 10 is r1, bearing rotating ring 10
Outer diameter is r4, and the radius of the first side wall 21 is r2, and the radius of second sidewall 22 is r3, wherein 0.05mm≤r3-r2≤0.5*
(r4-r1)。
In order to guarantee the lubricating oil for having sufficient in the first lubrication channel 20, as shown in Figure 1, lubrication channel further include:
Second lubrication channel 30, the second lubrication channel 30 are arranged on the end face of bearing rotating ring 10；Wherein, the second lubrication channel 30 and
One lubrication channel 20 is connected.
In the present embodiment, by being provided with the second lubrication channel 30, and the second lubrication on the end face of bearing rotating ring 10
Channel 30 is connected with the first lubrication channel 20, so that the lubricating oil in the second lubrication channel 30 enters the first profit
In slide-through road 20, the end face of bearing rotating ring 10 is lubricated each other.
In view of source of lubricating is in raceway 130, therefore need to enter by the circumferential exterior surface of bearing rotating ring 10
The end face of bearing rotating ring 10, as shown in Fig. 2, the second lubrication channel 30 has oil inlet 31 and oil outlet 32, oil inlet 31 and axis
The circumferential exterior surface intersection of rotating ring 10 is held, oil outlet 32 is connected with the first lubrication channel 20.
In the present embodiment, the oil inlet 31 of the second lubrication channel 30 intersects with the circumferential exterior surface of bearing rotating ring 10, i.e.,
The circumferential exterior surface that oil inlet 31 is located at bearing rotating ring 10 does not have, and facilitates oil inlet with this, the lubrication into the second lubrication channel 30
Oil is entered in the first lubrication channel 20 by oil outlet 32.
Preferably, rotation direction of the oil outlet 32 with oil inlet 31 along bearing rotating ring 10 is set gradually.
In the present embodiment, the second lubrication channel 30 is fan-shaped oil groove, and bearing rotating ring 10 is bearing inner race.Fan-shaped oil groove is opened
Mouth direction is consistent with bearing inner race direction of rotation, and when bearing inner race follows slide plate 90 to do high speed rotary motion, oil is oily from sector
Enter annular oil groove (the first lubrication channel 20) at channel opening, under the action of bearing inner race rotary centrifugal force in annular oil groove
Oil pressure increases with the raising of revolving speed, to form hydrodynamic lubrication between bearing inner race end face and end face of flange.
Preferably, the second lubrication channel 30 be expansion slot, the second lubrication channel 30 from oil outlet 32 to oil inlet 31 gradually
Expansion.
Preferably, there is the first connection plane, oil outlet between the first end of oil outlet 32 and the first end of oil inlet 31
Between 32 second end and the second end of oil inlet 31 have second connection plane, first connection plane with second connect plane it
Between there is default angle b, wherein 0≤b≤60 °.
In the present embodiment, the first end of oil outlet 32 and the first end of oil inlet 31 and the second end of oil outlet 32
With the second end of oil inlet 31, a tapered opening can be formed.It is pre- between i.e. first connection plane and the second connection plane
If angle b.
Preferably, the 4th side wall that the second lubrication channel 30 has third side wall 33 and is oppositely arranged with third side wall 33
34, third side wall 33 and the 4th sidewall 34 are arc surface.
Preferably, the quantity of the second lubrication channel 30 is limited within the scope of 5~30.
In the present embodiment, 30 arc grooves of the second lubrication channel, i.e. the third side wall 33 of the second lubrication channel 30 and
Four sidewall 34s are arc surface.
Preferably, as shown in Fig. 2, having prepsetting gap h0 between third side wall 33 and the center of circle of the 4th sidewall 34, first
The second sidewall 22 that lubrication channel 20 has the first side wall 21 and is oppositely arranged with the first side wall 21, second sidewall 22 and the second profit
Slide-through road 30 intersects, and second sidewall 22 is arc surface, and the internal diameter of bearing rotating ring 10 is r1, and the outer diameter of bearing rotating ring 10 is r4, the
The radius of two side walls 22 is r3, and the radius of third side wall 33 is r5, and the radius of the 4th sidewall 34 is r6, h0+ (r4-r1)≤r5≤
R6≤2r3, h0≤0.2r3.
For the depth relationship of the first lubrication channel 20 and the second lubrication channel 30, as shown in Figure 3 and Figure 4, bearing rotating ring
10 height is H, and the depth of the first lubrication channel 20 is h2, and the depth of the second lubrication channel 30 is h1, wherein 0.05mm≤h1
≤h2≤0.1H。
For the another way of the first lubrication channel 20 distribution, the first lubrication channel 20 is multiple, multiple first lubrications
Channel 20 is spaced setting in the circumferential direction of the end face of bearing rotating ring 10.
In the present embodiment, the first lubrication channel 20 is multiple, and multiple first lubrication channels 20 are at the end of bearing rotating ring 10
Setting is spaced in the circumferential direction in face, i.e., multiple arcs annular groove is spaced setting in the circumferential direction of the end face of bearing rotating ring 10,
And its radius value is equal.
Optionally, bearing assembly further include: the circumferential direction of bearing rotating ring 10 is arranged in third lubrication channel, third lubrication channel
On outer surface；Wherein, third lubrication channel is connected with lubrication channel.
In the present embodiment, by being provided with third lubrication channel, third profit in the circumferential exterior surface of bearing rotating ring 10
Lubricating oil is introduced into lubrication channel by slide-through road in which can be convenient.
Preferably, lubrication channel is provided on two end faces of bearing rotating ring 10.
In the present embodiment, when being provided with lubrication channel on two end faces of bearing rotating ring 10, for the first lubrication
One embodiment of the depth relationship of channel 20 and the second lubrication channel 30, as shown in Figure 3 and Figure 4,0.05mm≤h1≤h2
≤ 0.1H, and 0.05mm≤h3≤h4≤0.1H.
In the present embodiment, when being provided with lubrication channel on two end faces of bearing rotating ring 10, for the first lubrication
Channel 20, as shown in Figure 6 and Figure 7, the first lubrication channel 20 are two, first the first lubrication channel 20 and second first profit
Slide-through road 20 is set gradually in the circumferential exterior surface of bearing rotating ring 10 to the direction of the circumferential inner surface of bearing rotating ring 10, wherein
0.05mm≤h5≤h2≤0.1H 21,0.05mm≤h6≤h4≤0.1H.
The utility model additionally provides a kind of compressor, including bearing assembly, please refers to Fig. 8 to Figure 10, and bearing assembly is
Above-mentioned bearing assembly.
Preferably, the bearing rotating ring 10 of bearing assembly is bearing inner race, compressor further include: upper flange 60；Lower flange 70,
Bearing assembly is arranged between upper flange 60 and lower flange 70；Wherein, bearing rotating ring 10 is rotationally set relative to upper flange 60
It sets, bearing rotating ring 10 can be rotatably set relative to lower flange 70.
In the present embodiment, bearing assembly is rolling bearing assembly, wherein bearing stationary ring 40 is bearing outer ring, and bearing is dynamic
Ring 10 is bearing inner race.
In the present embodiment, bearing assembly, which is applicable not only to hydraulic seal, can be used for air seal.
The slide plate pump body explosive view of the compressor of the utility model, as shown in Figure 10, including upper flange 60, rolling bearing
Component, main shaft 80, slide plate 90, lower flange 70, lower cover plate 100, pump housing screw 110.Wherein, pump housing screw 110 passes through preset
Lower cover plate 100, lower flange 70, housing washer, upper flange 60 are fixed together, wherein bearing inner race is in cunning by screw hole
Under the drive of the frictional force of sheet head, main shaft 80 and slide plate 90 can be followed to rotate together.
It can be seen that the compression chamber 120 of the novel sliding-vane compressor of the utility model design by axis in conjunction with Fig. 8 and Fig. 9
The cavity that inner ring, main shaft 80, slide plate 90 surround jointly is held, and as the operation slide plate 90 of compressor does flexible fortune in sliding vane groove
It is dynamic, and then the variation of volume is caused to carry out air-breathing, compression, exhaust process.It and is then hollow (interior among bearing inner race and outer ring
Portion's containing retainer component).Therefore bearing inner race needs to guarantee certain sealing effect, prevents the gas in compression chamber from leaking into axis
It holds in raceway, especially the gas pressure in exhaust phase, compression chamber 120 is higher, and the pressure in raceway 130 belongs to
Mesolow causes compressor refrigerating capacity to reduce so being easier to cause to leak；And inner ring is as rotary part, revolving speed and master
Axis is close, but its diameter is bigger than main shaft, therefore its movement linear velocity is larger, square directly proportional, the institute of friction power loss and linear velocity
It is also very big using it as the secondary power consumption of friction.
The compressor of the utility model is opened up by providing a kind of new rolling bearing assembly structure in bearing inner race end face
Oil groove (the first lubrication channel 20 and the second lubrication channel 30), makes it realize hydrldynamic pressure lubrication in the process of running, can reduce
The friction power loss of bearing inner race end face and end face of flange, to improve the Performance And Reliability of compressor complete machine.
Wherein, rolling bearing assembly structure reduces the friction power loss between end face of flange and bearing inner race end face, improves
Compressor efficiency.It solves the problems, such as the inordinate wear of end face of flange Yu bearing inner race end face, improves compressor reliability.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The bearing assembly of the utility model by being provided with lubrication channel on the end face of bearing rotating ring 10, so as to
When bearing rotating ring 10 rotates, lubricating oil can be diffused on the end face of bearing rotating ring 10 from lubrication channel, so that bearing rotating ring 10
End face component adjacent thereto between there is sufficient lubricating oil, the abrasion occurred in contact process is prevented with this, is solved
The larger problem of the bearing inner race end wear amount of bearing assembly in the prior art.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (22)
1. a kind of bearing assembly characterized by comprising
Retainer component (50)；
Bearing stationary ring (40)；
Bearing rotating ring (10), the retainer component (50) are arranged between the bearing stationary ring (40) and the bearing rotating ring,
The end face of the bearing rotating ring (10) is provided with lubrication channel.
2. bearing assembly according to claim 1, which is characterized in that the lubrication channel includes:
First lubrication channel (20), first lubrication channel (20) are arranged on the end face of the bearing rotating ring (10)；
Wherein, first lubrication channel (20) extends along the circumferential direction side of the bearing rotating ring (10).
3. bearing assembly according to claim 2, which is characterized in that first lubrication channel (20) is ring shaped oil passage,
The second sidewall that first lubrication channel (20) has the first side wall (21) and is oppositely arranged with the first side wall (21)
(22), wherein the first side wall (21) and the projection of the second sidewall (22) on the end face of the bearing rotating ring (10)
It is circle.
4. bearing assembly according to claim 3, which is characterized in that first lubrication channel (20) is at least two,
Each first lubrication channel (20) the bearing rotating ring (10) week from circumferential exterior surface to the bearing rotating ring (10)
Setting is spaced on the direction of inner surface.
5. bearing assembly according to claim 4, which is characterized in that at least two first lubrication channels (20) are connected
It is logical.
6. bearing assembly according to claim 4, which is characterized in that first lubrication channel (20) be two, first
A first lubrication channel (20) and second the first lubrication channel (20) the bearing rotating ring (10) circumferential exterior surface to institute
The direction for stating the circumferential inner surface of bearing rotating ring (10) is set gradually, wherein the depth of first the first lubrication channel (20) is
H2, the depth of second the first lubrication channel (20) are h5, and the height of the bearing rotating ring (10) is H, 0.05mm≤h5≤h2
≤0.1H。
7. bearing assembly according to claim 4, which is characterized in that the overall width of multiple first lubrication channels (20)
For a, the internal diameter of the bearing rotating ring (10) is r1, and the outer diameter of the bearing rotating ring (10) is r4, wherein a≤0.5* (r4-
r1)。
8. bearing assembly according to claim 2, which is characterized in that first lubrication channel (20) has the first side wall
(21) and with the first side wall (21) second sidewall (22) being oppositely arranged, the first side wall (21) and the second sidewall
It (22) is arc surface, the internal diameter of the bearing rotating ring (10) is r1, and the outer diameter of the bearing rotating ring (10) is r4, described first
The radius of side wall (21) is r2, and the radius of the second sidewall (22) is r3, wherein r3 > r2,0.1* (r4-r1)≤r2-r1
≤0.8*(r4-r1)。
9. bearing assembly according to claim 2, which is characterized in that first lubrication channel (20) has the first side wall
(21) and with the first side wall (21) second sidewall (22) being oppositely arranged, the first side wall (21) and the second sidewall
It (22) is arc surface, the internal diameter of the bearing rotating ring (10) is r1, and the outer diameter of the bearing rotating ring (10) is r4, described first
The radius of side wall (21) is r2, and the radius of the second sidewall (22) is r3, wherein 0.05mm≤r3-r2≤0.5* (r4-
r1)。
10. bearing assembly according to claim 2, which is characterized in that the lubrication channel further include:
Second lubrication channel (30), second lubrication channel (30) are arranged on the end face of the bearing rotating ring (10)；
Wherein, second lubrication channel (30) is connected with first lubrication channel (20).
11. bearing assembly according to claim 10, which is characterized in that second lubrication channel (30) has oil inlet
(31) intersect with oil outlet (32), the oil inlet (31) with the circumferential exterior surface of the bearing rotating ring (10), the oil outlet
(32) it is connected with first lubrication channel (20).
12. bearing assembly according to claim 11, which is characterized in that the oil outlet (32) and the oil inlet (31)
Rotation direction along the bearing rotating ring (10) is set gradually.
13. bearing assembly according to claim 11, which is characterized in that second lubrication channel (30) is expansion slot,
Second lubrication channel (30) is gradually expanded by the oil outlet (32) Xiang Suoshu oil inlet (31).
14. bearing assembly according to claim 11, which is characterized in that the first end of the oil outlet (32) and it is described into
There are the first connection plane, second end and the oil inlet (31) of the oil outlet (32) between the first end of hydraulic fluid port (31)
There is the second connection plane between second end, there is default angle between the first connection plane and the second connection plane
B, wherein 0≤b≤60 °.
15. bearing assembly according to claim 11, which is characterized in that second lubrication channel (30) has third side
Wall (33) and the 4th side wall (34) being oppositely arranged with the third side wall (33), the third side wall (33) and the 4th side
Wall (34) is arc surface.
16. bearing assembly according to claim 15, which is characterized in that the third side wall (33) and the 4th side wall
(34) there is prepsetting gap h0, first lubrication channel (20) has the first side wall (21) and with described first between the center of circle
The second sidewall (22) that side wall (21) is oppositely arranged, the second sidewall (22) are intersected with the second lubrication channel (30), and described
Two side walls (22) are arc surface, and the internal diameter of the bearing rotating ring (10) is r1, and the outer diameter of the bearing rotating ring (10) is r4, described
The radius of second sidewall (22) is r3, and the radius of the third side wall (33) is r5, and the radius of the 4th side wall (34) is r6,
H0+ (r4-r1)≤r5≤r6≤2r3, h0≤0.2r3.
17. bearing assembly according to claim 15, which is characterized in that the height of the bearing rotating ring (10) is H, described
The depth of first lubrication channel (20) is h2, and the depth of second lubrication channel (30) is h1, wherein 0.05mm≤h1≤h2
≤0.1H。
18. bearing assembly according to claim 2, which is characterized in that first lubrication channel (20) be it is multiple, it is multiple
First lubrication channel (20) is spaced setting in the circumferential direction of the end face of the bearing rotating ring (10).
19. bearing assembly according to claim 1, which is characterized in that the bearing assembly further include:
Third lubrication channel, the third lubrication channel are arranged in the circumferential exterior surface of the bearing rotating ring (10)；
Wherein, the third lubrication channel is connected with the lubrication channel.
20. according to claim 1 to bearing assembly described in any one of 19, which is characterized in that the bearing rotating ring (10)
The lubrication channel is provided on two end faces.
21. a kind of compressor, including bearing assembly, which is characterized in that the bearing assembly is any one of claims 1 to 20
The bearing assembly.
22. compressor according to claim 21, which is characterized in that the bearing rotating ring (10) of the bearing assembly is bearing
Inner ring, the compressor further include:
Upper flange (60)；
Lower flange (70), the bearing assembly are arranged between the upper flange (60) and the lower flange (70)；
Wherein, the bearing rotating ring (10) can be rotatably set relative to the upper flange (60), bearing rotating ring (10) phase
The lower flange (70) can be rotatably set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432077.6U CN208749829U (en) | 2018-08-31 | 2018-08-31 | Bearing assembly and compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432077.6U CN208749829U (en) | 2018-08-31 | 2018-08-31 | Bearing assembly and compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749829U true CN208749829U (en) | 2019-04-16 |
Family
ID=66082876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821432077.6U Active CN208749829U (en) | 2018-08-31 | 2018-08-31 | Bearing assembly and compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916234A (en) * | 2018-08-31 | 2018-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Bearing assembly and compressor with it |
-
2018
- 2018-08-31 CN CN201821432077.6U patent/CN208749829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916234A (en) * | 2018-08-31 | 2018-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Bearing assembly and compressor with it |
| CN108916234B (en) * | 2018-08-31 | 2023-10-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Bearing assembly and compressor with same |
| US11802589B2 (en) | 2018-08-31 | 2023-10-31 | Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai | Bearing assembly and compressor with bearing assembly |
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