CN207064463U - Pump assembly and rotary compressor - Google Patents
Pump assembly and rotary compressor Download PDFInfo
- Publication number
- CN207064463U CN207064463U CN201720773239.1U CN201720773239U CN207064463U CN 207064463 U CN207064463 U CN 207064463U CN 201720773239 U CN201720773239 U CN 201720773239U CN 207064463 U CN207064463 U CN 207064463U
- Authority
- CN
- China
- Prior art keywords
- boss
- thrust bearing
- shoe valve
- bearing shoe
- pump assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model provides a kind of pump assembly, for rotary compressor, including：Bent axle, it includes long axle portion, eccentric part and the short axle portion being sequentially connected, and short axle portion is provided with the boss radially extended, and the bottom face of boss deviates from eccentric part；Supplementary bearing, it is set in short axle portion；And thrust bearing shoe valve, it is set in short axle portion and is not provided with the shaft part of boss, thrust bearing shoe valve contacts with supplementary bearing and keeps geo-stationary with supplementary bearing, the acting surface of thrust bearing shoe valve is provided with multiple radial slots, thrust bearing shoe valve is divided into multiple segmental pads by multiple radial slots, the first side of one radial slot is higher than its second side, the circumferentially alternating distribution in first side and second side of multiple radial slots；Wherein, the acting surface of thrust bearing shoe valve is in contact with the bottom face of boss, and the rotation direction of bent axle is consistent with the height reduction direction of radial slot under working condition.Pump assembly provided by the utility model, dynamic pressure oil film can be formed between boss and thrust bearing shoe valve, significantly reduce the friction power loss of compressor.
Description
Technical field
Compressor Technology field is the utility model is related to, in particular to a kind of pump assembly and a kind of rotary pressure
Contracting machine.
Background technology
As market it is also proposed higher to air-conditioning efficiency class requirement more and more higher, air-conditioning producer to compressor efficiency
It is required that.In rotor-type compressor, friction power loss accounts for 8% of total power consumption or so, the wherein method of the lower thrust surface and supplementary bearing of bent axle
Frictional dissipation between blue end face accounts for the 3~6% of whole frictional dissipation, and due to being hardly formed hydrodynamic lubrication oil film herein,
So the crankshaft thrust portion friction pair of compressor often wears, or even failure.It is therefore desirable to design a kind of rotator type pressure
Contracting machine structure, is effectively reduced the friction power loss in crankshaft thrust portion, and reduces the abrasion of friction pair, obtains compressor higher
Efficiency and relatively reliable operating.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, a purpose of the present utility model is, a kind of pump assembly is proposed.
Another purpose of the present utility model is, proposes a kind of rotary compressor.
In view of this, according to a purpose of the present utility model, there is provided a kind of pump assembly, for rotary compression
Machine, including：Bent axle, it includes long axle portion, eccentric part and the short axle portion being sequentially connected, and short axle portion is convex provided with radially extending
Platform, the bottom face of boss deviate from eccentric part；Supplementary bearing, it is set in short axle portion；And thrust bearing shoe valve, it is set in short axle portion and not set
Put on the shaft part of boss, thrust bearing shoe valve is contacted with supplementary bearing and keeps geo-stationary with supplementary bearing, and the acting surface of thrust bearing shoe valve is provided with
Thrust bearing shoe valve is divided into multiple segmental pads by multiple radial slots, multiple radial slots, the first side of a radial slot higher than its second
Side, the circumferentially alternating distribution in first side and second side of multiple radial slots；Wherein, the acting surface of thrust bearing shoe valve and boss
Bottom face is in contact, and the rotation direction of bent axle is consistent with the height reduction direction of radial slot under working condition.
Pump assembly provided by the utility model, boss is set in the short axle portion of bent axle, song is used as using the bottom face of boss
The thrust surface of axle, different from end face of flange CONTACT WITH FRICTION of the thrust surface directly with supplementary bearing of bent axle in correlation technique, this practicality
The pump assembly of new offer is arranged the thrust bearing shoe valve of the remains stationary together with supplementary bearing, the work of thrust bearing shoe valve in the short axle portion of bent axle
Multiple inclined segmental pads in the same direction are provided with face, can shape between the bottom face of boss and the acting surface of thrust bearing shoe valve during work
Into dynamic pressure oil film, there is preferable lubricant effect, so as to substantially improve crankshaft wear, significantly reduce the frictional work of compressor
Consumption, improve the operating reliability of compressor.Lubricating oil is in radial slot, is flowed with the rotation of bent axle along segmental pad, by
In rotation direction height reduction of the radial slot along bent axle so that segmental pad is highly raised in the direction, and wedge shape knot is formed with boss
Structure, lubricating oil form dynamic pressure oil film with the rotation of bent axle on segmental pad surface.
In addition, the pump assembly in above-mentioned technical proposal provided by the utility model, can also have following additional
Technical characteristic：
In the above-mentioned technical solutions, it is preferable that the value model of the angle α between the surface of segmental pad and the bottom face of boss
Enclose for 0 °≤α≤1 °.
In the technical scheme, the span at the angle of inclination of segmental pad is specifically defined.The lower limit ensure that more
Individual segmental pad incline direction is consistent, and it is excessive that the higher limit avoids segmental pad angle of inclination, ensure that dynamic pressure oil film is smoothly formed.
The thickness of dynamic pressure oil film is micron level, and when the difference in height of segmental pad arrives three times for the two of oil film thickness, the formation of oil film
Effect is best, thus the difference in height of segmental pad is also needed as micron level, therefore angle α is unsuitable excessive.
In any of the above-described technical scheme, it is preferable that the surface of segmental pad sets multiple step troughs, the liter of multiple step troughs
High direction is consistent with the rise direction of segmental pad.
In the technical scheme, segmental pad surface set step trough, ladder groove height circumferentially direction from low to high,
It is consistent with the height change direction for the segmental pad that any of the above-described technical scheme limits.Thrust bearing shoe valve is divided into multiple fans in radial slot
On the basis of shape watt, multiple step troughs are got on segmental pad surface using laser, to form incline structure, help easily to add
Work goes out inclined segmental pad, improves formation efficiency.
In any of the above-described technical scheme, it is preferable that the quantity N of radial slot and segmental pad span be 3≤N≤
12。
In the technical scheme, the span of the quantity of radial slot and segmental pad is specifically defined.The lower limit one side
Face ensure that the span of single segmental pad circumferentially will not be excessive, reduces the difficulty of oil film formation, on the other hand avoids footpath
To slot number amount it is very few when thrust bearing shoe valve poor heat radiation.The higher limit then reduces difficulty of processing, due to radial slot and the number of segmental pad
Amount is more, and density is bigger, and difficulty of processing is consequently increased, and when its quantity is no more than the higher limit, can both be effectively formed
Dynamic pressure oil film, it is easy to radiate again, is also easy to process.
In any of the above-described technical scheme, it is preferable that supplementary bearing is provided with concentric with short axle portion towards the end face of eccentric part
Counterbore, thrust bearing shoe valve is embedded in counterbore.
In the technical scheme, supplementary bearing is arranged with the short axle portion of bent axle, by setting counterbore on supplementary bearing, and
The thrust bearing shoe valve being in contact with the bottom face of the boss of bent axle is installed, the setting that may be either thrust bearing shoe valve provides space, simultaneously in counterbore
Make the end face of supplementary bearing towards eccentric part remain to fully contact with cylinder, ensure the overall reliability of pump assembly.
In any of the above-described technical scheme, it is preferable that thrust bearing shoe valve is interference fitted with counterbore.
In the technical scheme, for thrust bearing shoe valve with counterbore using being interference fitted, assembling is reliable, ensure that thrust bearing shoe valve with supplementary bearing
Remains stationary, skidding back pressure watt is avoided with crank rotation, so that it is guaranteed that forming dynamic pressure oil film.
In any of the above-described technical scheme, it is preferable that thrust bearing shoe valve and supplementary bearing are integral type structure.
In the technical scheme, thrust bearing shoe valve and supplementary bearing are integral type structure, and thrust can be directly processed on supplementary bearing
Watt, make the connection of thrust bearing shoe valve and supplementary bearing more reliable, and be easy to assemble, so as to improve production efficiency.
In any of the above-described technical scheme, it is preferable that boss is less than or waited apart from the ultimate range of the central shaft in short axle portion
In the external diameter of thrust bearing shoe valve.
In the technical scheme, the external diameter that ultimate range of the boss apart from short axle portion center is no more than thrust bearing shoe valve is limited, is made
The projection of boss vertically fall completely within thrust bearing shoe valve, so as to ensure that the dynamic pressure oil film formed between boss and thrust bearing shoe valve with
Boss fully contacts, it is ensured that lubricant effect.
In any of the above-described technical scheme, it is preferable that boss is circumferentially distributed along short axle portion, and boss is in annular.
In the technical scheme, circumference of the boss along short axle portion is distributed in annulus, helps to form continuous, uniform dynamic pressure
Oil film, improve lubricating quality.
In any of the above-described technical scheme, it is preferable that boss and eccentric part are integral type structure.
In the technical scheme, boss is integrally formed with eccentric part, for example, directly with the push stopping part of bent axle in correlation technique
As boss, boss is the size face formed on eccentric part, when the size cover lives in several in multiple segmental pads,
Complete dynamic pressure oil film can be formed between size face and these segmental pads.The program is not required to separately set boss structure, from volume production angle
It is more easily performed for degree, simplifies manufacturing procedure, improves processing efficiency.
To sum up, the utility model provides a kind of pump assembly of rotary compressor, including cylinder, piston, slide plate, master
Bearing, supplementary bearing, bent axle and thrust bearing shoe valve.Piston is accommodated in cylinder, and slide plate is accommodated in the vane slot of cylinder；Major-minor bearing point
The both sides up and down of cylinder are not arranged on；Bent axle include from top to bottom connect short axle portion, eccentric part, long axle portion, include setting
Boss in short axle portion side wall；The short axle portion of supplementary bearing and bent axle coordinates, and the long axle portion of base bearing and bent axle coordinates, piston with
The eccentric part of bent axle coordinates；Thrust bearing shoe valve is provided with supplementary bearing；The bottom face of boss on bent axle is in contact with thrust bearing shoe valve.This reality
Make the bottom face of boss as the lower thrust surface of bent axle by the use of new, dynamic pressure oil film formed between thrust bearing shoe valve, improves lubricating status,
And upright projection of the bottom face of boss of the present utility model on supplementary bearing flange face is that complete circle is annular or non-annulus
Shape, better ensure that the oil film quality between the lower thrust surface and thrust bearing shoe valve of bent axle so that the operating of compressor is more steady reliable.
In a word, the utility model significantly reduces the friction power loss of compressor, and when substantially improving compressor operation under bent axle
Abrasion between thrust surface and supplementary bearing end face of flange, improve compressor operation reliability.
According to another purpose of the present utility model, there is provided a kind of rotary compressor, including any technology as described above
Pump assembly described in scheme.
Rotary compressor provided by the utility model, including the pump assembly described in any of the above-described technical scheme, therefore
Whole beneficial effects with the pump assembly, will not be repeated here.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the longitudinal section sectional view of one embodiment middle pump body component of the present utility model；
Fig. 2 is the longitudinal section sectional view of another embodiment middle pump body component of the present utility model；
Fig. 3 is the front view of bent axle in another embodiment of the present utility model；
Fig. 4 is the longitudinal section sectional view of supplementary bearing in one embodiment of the present utility model；
Fig. 5 is the stereogram of thrust bearing shoe valve in one embodiment of the present utility model；
Fig. 6 is the front view of thrust bearing shoe valve in one embodiment of the present utility model；
Fig. 7 is the cooperation schematic diagram of boss and thrust bearing shoe valve in one embodiment of the present utility model；
Fig. 8 is the stereogram of thrust bearing shoe valve in another embodiment of the present utility model；
Fig. 9 is the front view of thrust bearing shoe valve in another embodiment of the present utility model.
Wherein, corresponding relations of the Fig. 1 into Fig. 9 between reference and component names is：
1 pump assembly, 10 cylinders, 20 pistons, 30 slide plates, 40 base bearings, 50 supplementary bearings, 52 counterbores, 60 bent axles, 62 major axis
Portion, 64 eccentric parts, 66 short axle portions, 68 boss, 70 thrust bearing shoe valves, 72 radial slots, 74 segmental pads, 742 step troughs.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 9 descriptions according to the utility model some embodiments pump assembly 1 and rotary compression
Machine.
As shown in Fig. 1 to Fig. 3, Fig. 5 to Fig. 7, the embodiment of the utility model first aspect provides a kind of pump assembly
1, for rotary compressor, including：Bent axle 60, it includes long axle portion 62, eccentric part 64 and the short axle portion 66 being sequentially connected, short
Axle portion 66 is provided with the boss 68 radially extended, and the bottom face of boss 68 deviates from eccentric part 64；Supplementary bearing 50, it is set in described
In short axle portion 66；And thrust bearing shoe valve 70, it is set in short axle portion 66 and is not provided with the shaft part of boss 68, thrust bearing shoe valve 70 and supplementary bearing 50
Contact and keep geo-stationary with supplementary bearing 50, the acting surface of thrust bearing shoe valve 70 is provided with multiple radial slots 72, multiple radial slots 72
Thrust bearing shoe valve 70 is divided into multiple segmental pads 74, the first side of a radial slot 72 is higher than its second side, multiple radial slots
The circumferentially alternating distribution in 72 first side and second side；Wherein, the bottom face phase of the acting surface of thrust bearing shoe valve 70 and boss 68
Contact, the rotation direction of bent axle 60 is consistent with the height reduction direction of radial slot 72 under working condition.
Pump assembly 1 provided by the utility model, boss 68 is set in the short axle portion 66 of bent axle 60, with the bottom of boss 68
Thrust surface of the face as bent axle 60, end face of flange friction of the thrust surface directly with supplementary bearing different from bent axle in correlation technique connect
Touch, pump assembly 1 provided by the utility model is arranged the remains stationary together with supplementary bearing 50 in the short axle portion 66 of bent axle 60
Thrust bearing shoe valve 70, the acting surface of thrust bearing shoe valve 70 are provided with multiple inclined segmental pads 74 in the same direction, during work, in the bottom face of boss 68
Dynamic pressure oil film can be formed between the acting surface of thrust bearing shoe valve 70, there is preferable lubricant effect, so as to substantially improve bent axle 60
Abrasion, the friction power loss of compressor is significantly reduced, improve the operating reliability of compressor.Lubricating oil is in radial slot 72
In, being flowed with the rotation of bent axle 60 along segmental pad 74, the direction of arrow in Fig. 7 shows the rotation direction of bent axle 60, due to
Rotation direction height reduction of the radial slot 72 along bent axle 60 so that height raises segmental pad 74 in the direction, is formed with boss 68
Wedge structure, lubricating oil form dynamic pressure oil film with the rotation of bent axle 60 on the surface of segmental pad 74.Specifically, on segmental pad 74
Inclined-plane is processed, or die casting goes out the segmental pad 74 with angle of inclination.
As shown in fig. 7, in one embodiment of the present utility model, it is preferable that the surface of segmental pad 74 and boss 68
The span of angle α between bottom face is 0 °≤α≤1 °.
In this embodiment, the span at the angle of inclination of segmental pad 74 is specifically defined.The lower limit ensure that more
The individual incline direction of segmental pad 74 is consistent, and it is excessive that the higher limit avoids the angle of inclination of segmental pad 74, ensure that dynamic pressure oil film is smooth
Formed.The thickness of dynamic pressure oil film is micron level, and when the difference in height of segmental pad 74 arrives three times for the two of oil film thickness, oil film
Formation effect it is best, thus the difference in height of segmental pad 74 is also needed as micron level, therefore angle α is unsuitable excessive.Specifically, fan is worked as
When shape watt 74 is plane, the angle α is the angle between the place plane of segmental pad 74 and the bottom face of boss 68, when segmental pad 74
For curved surface when, the angle α is angle of the segmental pad 74 between the bottom face of the section of its surface any point and boss 68.
As shown in Figure 8 and Figure 9, in one embodiment of the present utility model, it is preferable that the surface of segmental pad 74 sets more
Individual step trough 742, the rise direction of multiple step troughs 742 are consistent with the rise direction of segmental pad 74.
In this embodiment, step trough 742 is set on the surface of segmental pad 74, the height of step trough 742 circumferentially direction by
It is low to high, it is consistent with the height change direction for the segmental pad 74 that any of the above-described embodiment limits.In radial slot 72 by thrust bearing shoe valve 70
It is divided on the basis of multiple segmental pads 74, multiple step troughs 742 is got on the surface of segmental pad 74 using laser, is tilted with being formed
Structure, help easily to process inclined segmental pad 74, improve formation efficiency.
In one embodiment of the present utility model, it is preferable that the quantity N of radial slot 72 and segmental pad 74 span
For 3≤N≤12.
In this embodiment, the span of the quantity of radial slot 72 and segmental pad 74 is specifically defined.The lower limit one
Aspect ensure that the span of single segmental pad 74 circumferentially will not be excessive, reduces the difficulty of oil film formation, on the other hand avoids
Thrust bearing shoe valve 70 poor heat radiation when the quantity of radial slot 72 is very few.The higher limit then reduces difficulty of processing, due to the He of radial slot 72
The quantity of segmental pad 74 is more, and density is bigger, and difficulty of processing is consequently increased, when its quantity is no more than the higher limit, both
Dynamic pressure oil film can be effectively formed, is easy to radiate again, is also easy to process.Alternatively, the quantity N of radial slot 72 and segmental pad 74
Span is 6≤N≤8.
As shown in Figure 1, Figure 2 and Figure 4, in one embodiment of the present utility model, it is preferable that supplementary bearing 50 is towards bias
The end face in portion 64 is provided with the counterbore 52 concentric with short axle portion 66, and thrust bearing shoe valve 70 is embedded in counterbore 52.
In this embodiment, supplementary bearing 50 is arranged with the short axle portion 66 of bent axle 60, it is heavy by being set on supplementary bearing 50
Hole 52, and the thrust bearing shoe valve 70 being in contact with the bottom face of the boss 68 of bent axle 60 is installed in counterbore 52, may be either thrust bearing shoe valve 70
Setting space is provided, while make the end face of supplementary bearing 50 towards eccentric part 64 remain to fully contact with cylinder 10, ensure the pump housing
The overall reliability of component 1.Alternatively, thrust bearing shoe valve 70 is bonded in the counterbore 52 of supplementary bearing 50.
In one embodiment of the present utility model, it is preferable that thrust bearing shoe valve 70 is interference fitted with counterbore 52.
In this embodiment, for thrust bearing shoe valve 70 with counterbore 52 using being interference fitted, assembling is reliable, ensure that thrust bearing shoe valve 70 with pair
The remains stationary of bearing 50, avoid skidding back pressure watt 70 and rotated with bent axle 60, so that it is guaranteed that forming dynamic pressure oil film.
In one embodiment of the present utility model, it is preferable that thrust bearing shoe valve 70 and supplementary bearing 50 are integral type structure.
In this embodiment, thrust bearing shoe valve 70 and supplementary bearing 50 are integral type structure, directly can be processed on supplementary bearing 50
Thrust bearing shoe valve 70, make the connection of thrust bearing shoe valve 70 and supplementary bearing 50 more reliable, and be easy to assemble, so as to improve production efficiency.Specifically
Ground, as shown in Figure 1, Figure 2 and Figure 4, supplementary bearing 50 towards setting the counterbore 52 concentric with short axle portion 66 on the end face of eccentric part 64,
Thrust bearing shoe valve 70 is directly processed in counterbore 52.
As depicted in figs. 1 and 2, in one embodiment of the present utility model, it is preferable that boss 68 is apart from short axle portion 66
The ultimate range of central shaft is less than or equal to the external diameter of thrust bearing shoe valve 70.
In this embodiment, limit ultimate range of the boss 68 apart from the center of short axle portion 66 and be no more than the outer of thrust bearing shoe valve 70
Footpath so that the projection of boss 68 vertically is fallen completely within thrust bearing shoe valve 70, so as to ensure that shape between boss 68 and thrust bearing shoe valve 70
Into dynamic pressure oil film fully contacted with boss 68, it is ensured that lubricant effect.
As shown in figure 1, in one embodiment of the present utility model, it is preferable that the circumference along short axle portion 66 point of boss 68
Cloth, boss 68 are in annular.
In this embodiment, circumference of the boss 68 along short axle portion 66 is distributed in annulus, helps to form continuous, uniform move
Film is pressed oil, improves lubricating quality.
In one embodiment of the present utility model, it is preferable that boss 68 and eccentric part 64 are integral type structure.
In this embodiment, boss 68 is integrally formed with eccentric part 64, such as shown in Fig. 2, directly with bent in correlation technique
For the push stopping part of axle as boss 68, boss 68 is the size face formed on eccentric part 64, when the size cover lives multiple fans
During several in shape watt 74, complete dynamic pressure oil film can be formed between size face and these segmental pads 74.The program is not required to
The structure of boss 68 separately is set, is more easily performed for volume production angle, simplifies manufacturing procedure, improve processing efficiency.
To sum up, as shown in Fig. 1 to Fig. 3, Fig. 5 and Fig. 7, the utility model provides a kind of pump housing group of rotary compressor
Part 1, including cylinder 10, piston 20, slide plate 30, base bearing 40, supplementary bearing 50, bent axle 60 and thrust bearing shoe valve 70.Piston 20 is accommodated in
In cylinder 10, slide plate 30 is accommodated in the groove of slide plate 30 of cylinder 10；Major-minor bearing 50 is separately positioned on the both sides up and down of cylinder 10；
Short axle portion 66 that bent axle 60 includes from top to bottom connecting, eccentric part 64, long axle portion 62, in addition to are arranged in the side wall of short axle portion 66
Boss 68；The short axle portion 66 of supplementary bearing 50 and bent axle 60 coordinates, and the long axle portion 62 of base bearing 40 and bent axle 60 coordinates, piston 20
Coordinate with the eccentric part 64 of bent axle 60；It is provided with thrust bearing shoe valve 70 on supplementary bearing 50, the bottom face of the boss 68 on bent axle 60 is with pushing away
Power watt 70 is in contact, and the acting surface of thrust bearing shoe valve 70 is provided with multiple radial slots 72, and thrust bearing shoe valve 70 is divided into by multiple radial slots 72
Multiple segmental pads 74, rotation direction of the segmental pad 74 along bent axle 60 are highly raised, and wedge structure is formed with boss 68.This practicality is new
Type makes the bottom face of boss 68 as the lower thrust surface of bent axle 60, and dynamic pressure oil film is formed between thrust bearing shoe valve 70, improves lubrication shape
State, and upright projection of the bottom face of boss of the present utility model 68 on the flange face of supplementary bearing 50 be complete circle annular or
Non-circular, better ensure that the oil film quality between the lower thrust surface and thrust bearing shoe valve 70 of bent axle 60 so that the operating of compressor is more
Add steady reliable.In a word, the utility model significantly reduces the friction power loss of compressor, and substantially improves compressor operation
When bent axle 60 the lower end face of flange of thrust surface and supplementary bearing 50 between abrasion, improve compressor operation reliability.
The embodiment of the utility model second aspect provides a kind of rotary compressor, including such as above-mentioned any embodiment
Described pump assembly 1.
Rotary compressor provided by the utility model, including the pump assembly 1 described in any of the above-described embodiment, therefore have
There are whole beneficial effects of the pump assembly 1, will not be repeated here.
In the utility model, term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term
The term such as " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected,
Can be detachably connected, or be integrally connected；" connected " can be joined directly together, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (11)
- A kind of 1. pump assembly, for rotary compressor, it is characterised in that including：Bent axle, it includes long axle portion, eccentric part and the short axle portion being sequentially connected, and the short axle portion is convex provided with radially extending Platform, the bottom face of the boss deviate from the eccentric part；Supplementary bearing, it is set in the short axle portion；AndThrust bearing shoe valve, it is set in the short axle portion and is not provided with the shaft part of the boss, and the thrust bearing shoe valve is accepted with the countershaft Touch and keep geo-stationary with the supplementary bearing, the acting surface of the thrust bearing shoe valve is provided with multiple radial slots, multiple radial directions The thrust bearing shoe valve is divided into multiple segmental pads by groove, and the first side of a radial slot is higher than its second side, Duo Gesuo State the circumferentially alternating distribution in the first side and the second side of radial slot；Wherein, the acting surface of the thrust bearing shoe valve is in contact with the bottom face of the boss, the rotation of the bent axle under working condition Direction is consistent with the height reduction direction of the radial slot.
- 2. pump assembly according to claim 1, it is characterised in thatThe span of angle α between the bottom face of the surface of the segmental pad and the boss is 0 °≤α≤1 °.
- 3. pump assembly according to claim 1, it is characterised in thatThe surface of the segmental pad sets multiple step troughs, the rise direction of multiple step troughs and the rise of the segmental pad Direction is consistent.
- 4. pump assembly according to claim 1, it is characterised in thatThe quantity N of the radial slot and segmental pad span is 3≤N≤12.
- 5. pump assembly according to claim 1, it is characterised in thatThe supplementary bearing is provided with the counterbore concentric with the short axle portion towards the end face of the eccentric part, and the thrust bearing shoe valve is embedded In the counterbore.
- 6. pump assembly according to claim 5, it is characterised in thatThe thrust bearing shoe valve is interference fitted with the counterbore.
- 7. pump assembly according to claim 1, it is characterised in thatThe thrust bearing shoe valve and the supplementary bearing are integral type structure.
- 8. pump assembly according to any one of claim 1 to 7, it is characterised in thatThe boss is less than or equal to the external diameter of the thrust bearing shoe valve apart from the ultimate range of the central shaft in the short axle portion.
- 9. pump assembly according to any one of claim 1 to 7, it is characterised in thatThe boss is circumferentially distributed along the short axle portion, and the boss is in annular.
- 10. pump assembly according to any one of claim 1 to 7, it is characterised in thatThe boss and the eccentric part are integral type structure.
- 11. a kind of rotary compressor, it is characterised in that including the pump assembly as any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720773239.1U CN207064463U (en) | 2017-06-29 | 2017-06-29 | Pump assembly and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720773239.1U CN207064463U (en) | 2017-06-29 | 2017-06-29 | Pump assembly and rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064463U true CN207064463U (en) | 2018-03-02 |
Family
ID=61507635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720773239.1U Active CN207064463U (en) | 2017-06-29 | 2017-06-29 | Pump assembly and rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410330A (en) * | 2019-08-23 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft group, pump assembly, compressor, air conditioner |
| CN113389729A (en) * | 2021-07-13 | 2021-09-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure, compressor and air conditioner |
-
2017
- 2017-06-29 CN CN201720773239.1U patent/CN207064463U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410330A (en) * | 2019-08-23 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft group, pump assembly, compressor, air conditioner |
| CN113389729A (en) * | 2021-07-13 | 2021-09-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure, compressor and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106593851A (en) | Inclined disc and axial plunger pump/motor adopting inclined disc | |
| US7441957B2 (en) | Fluid dynamic bearing | |
| CN207064463U (en) | Pump assembly and rotary compressor | |
| CN208221064U (en) | Has the plunger pump skid shoe of dimple structure in a kind of surface | |
| CN210127929U (en) | Piston shoe for plunger pump and plunger type hydraulic pump | |
| CN203926403U (en) | A kind of guide bearing system of initiatively lubricating | |
| CN102155370A (en) | Pure water hydraulic through-shaft type spherical distribution axial plunger pump | |
| CN104806464B (en) | Aviation axial plunger hydraulic pump | |
| CN107781291B (en) | A kind of pump of balanced radial force combination floating buss | |
| CN105715550A (en) | Pump body assembly and compressor with pump body assembly | |
| CN100529419C (en) | Small pump of liquid cooling heat radiation system | |
| US4261250A (en) | Slide shoe arrangement, particularly for axial and radial piston machines | |
| CN102713285A (en) | Axial piston hydraulic rotating machine | |
| CN106996375A (en) | Air-conditioning, rotary compressor and its pumping installations | |
| CN111075878A (en) | End surface stepped groove rotary sealing ring | |
| CN201196146Y (en) | Cambered axle type spherical surface valve axial plunger variable displacement pump | |
| CN202108767U (en) | Water-lubricated guide bearing | |
| CN212106163U (en) | Return mechanism of hydraulic plunger pump | |
| CN110925159B (en) | Axial plunger pump piston shoe of groove structure | |
| CN109236596B (en) | Swash plate type hydraulic axial plunger pump/motor heavy-load slipper pair antifriction disc | |
| CN206368805U (en) | A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body | |
| JP2014126069A (en) | Halved thrust bearing | |
| CN106015322A (en) | Spherical-groove knuckle bearing | |
| CN205663567U (en) | Join in marriage food tray | |
| CN206268249U (en) | A kind of main shaft Wear resistance disk and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |