CN205533180U - Oil pump structure, compressor and heat transfer system - Google Patents
Oil pump structure, compressor and heat transfer system Download PDFInfo
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- CN205533180U CN205533180U CN201620060150.6U CN201620060150U CN205533180U CN 205533180 U CN205533180 U CN 205533180U CN 201620060150 U CN201620060150 U CN 201620060150U CN 205533180 U CN205533180 U CN 205533180U
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- oil pump
- rolling element
- pump structure
- cavity
- outer rotor
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Abstract
The utility model provides an oil pump structure, compressor and heat transfer system. The oil pump structure includes: the oil pump seat, the oil pump seat has the cavity, the inner rotor, the inner rotor is located the cavity, the external rotor in the inner rotor outside is established to the cover, and the external rotor lies in the cavity, and inner rotor and the setting of outer eccentric rotor, rolling element, rolling element are located the cavity, and the rolling element is in between the outside of circumference inner wall and the external rotor of cavity. The problem that harmfully leads to inordinate wear and production noise among the prior art because of external rotor and the assembly of oil pump seat has been solved in this application.
Description
Technical field
This utility model relates to technical field of heat exchange, in particular to a kind of oil pump structure, compressor and heat-exchange system.
Background technology
Existing compressor the most all has oil pump structure.
At present, general oil pump structure includes that oil pump seat, internal rotor, outer rotor and oil pump cover plate, internal rotor and outer rotor are embedded
In the inside of the cavity of oil pump seat, internal rotor in the inner side of outer rotor, outer rotor and oil pump seat matched in clearance.Internal rotor is in bias
Necessarily driving outer rotor rotation in rotary course, during compressor high speed rotating, outer rotor is in the drive speed of internal rotor
Increasing, this can make outer rotor and oil pump seat in the case of fit-up gap is uneven, inordinate wear and noise, impact pressure occurs
The reliability of contracting machine.
Utility model content
Main purpose of the present utility model is to provide a kind of oil pump structure, compressor and heat-exchange system, to solve in prior art
Inordinate wear and the problem producing noise is caused because outer rotor is bad with the assembling of oil pump seat.
To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of oil pump structure, including: oil pump seat,
Oil pump seat has cavity；Internal rotor, internal rotor is positioned at cavity；Being set in the outer rotor outside internal rotor, outer rotor is positioned at recessed
Intracavity, and internal rotor and outer rotor eccentric setting；Rolling element, rolling element is positioned at cavity, and rolling element is in the circumference of cavity
Between inwall and the outside of outer rotor.
Further, rolling element is multiple, multiple rolling element being provided at circumferentially spaced in cavity around outer rotor.
Further, the interval between two rolling elements of arbitrary neighborhood is equal.
Further, the number of rolling element is more than or equal to 4.
Further, the inner circumferential wall of cavity has the mounting groove for accommodating rolling element, after rolling element is arranged in mounting groove,
A part for rolling element is by the notch of mounting groove outwardly.
Further, oil pump structure also includes retainer, and retainer is arranged in cavity, and rolling element is connected with retainer, so that
Rolling element rotation under the driving of outer rotor.
Further, retainer in the form of a ring, retainer in the form of a ring between the inner circumferential wall and the outer wall of outer rotor of cavity,
Retainer is fixing with oil pump seat to be connected.
Further, cavity is stepped, and internal rotor, outer rotor, rolling element and retainer are in the first bench of cavity,
Oil pump structure also includes that the variable cross-section of the second step and the first bench that oil pump cover plate, oil pump cover plate lid be located at cavity is sentenced interior turn
Son, outer rotor, rolling element and retainer are sealed in the first bench.
Further, cavity deviation oil pump seat is centrally disposed.
According to another aspect of the present utility model, it is provided that a kind of compressor, including oil pump structure and bent axle, on oil pump structure is
The oil pump structure stated, bent axle is coaxially disposed with the internal rotor of oil pump structure.
According to another aspect of the present utility model, it is provided that a kind of heat-exchange system, including compressor, compressor is above-mentioned compression
Machine.
Application the technical solution of the utility model, internal rotor and be set in the outer rotor outside internal rotor and be arranged in cavity, and
Internal rotor and outer rotor eccentric setting, rolling element is positioned at cavity, and rolling element is in outside inner circumferential wall and the outer rotor of cavity
Between portion.Owing to being additionally arranged rolling element between outer rotor and oil pump seat, thus decrease friction when moving therebetween, subtract
Weak the two assemble the bad abrasion caused, reduce assembly precision requirement, improve the assembling quality of oil pump structure, and effectively
Avoid the generation of abnormal sound, thus effectively extend oil pump structure service life, improve oil pump structure use reliable
Property, ensure that the operational reliability of compressor.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the compressor according to an alternative embodiment of the present utility model；
Fig. 2 shows the structural representation of the oil pump structure in Fig. 1；
Fig. 3 shows the top view of the oil pump structure in Fig. 2；And
Fig. 4 shows the structural representation of the oil pump structure according to another alternative embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, oil pump seat；20, internal rotor；30, outer rotor；40, rolling element；50, retainer；60, oil pump cover plate；70、
Bent axle；71, crankshaft oil hole；80, fixed scroll；90, orbiter；100, upper bracket；110, upper bracket back pressure oil sump；
120, cross slip-ring；130, lower carriage；140, rotor；150, motor stator；160, suction nozzle；170, aerofluxus
Pipe.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless otherwise finger
Bright, all technology used herein and scientific terminology have and are generally understood that with the application person of an ordinary skill in the technical field
Identical meanings.
In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " inside and outside " refers to relative to respectively
The profile of parts itself inside and outside, but the above-mentioned noun of locality is not limited to this utility model.
In order to solve that prior art causes inordinate wear because outer rotor is bad with the assembling of oil pump seat and produces the problem of noise, this
Utility model provides a kind of oil pump structure, compressor and heat-exchange system.
Wherein, compressor includes following oil pump structure.
Wherein, heat-exchange system includes following compressor.Alternatively, heat-exchange system is air-conditioner or refrigerator etc..
As shown in Figures 1 to 4, oil pump structure includes oil pump seat 10, internal rotor 20, is set in outer turn outside internal rotor 20
Son 30 and rolling element 40, oil pump seat 10 has cavity, and internal rotor 20 is positioned at cavity, and outer rotor 30 is positioned at cavity, and
Internal rotor 20 and outer rotor 30 eccentric setting, rolling element 40 is positioned at cavity, and rolling element 40 is in the inner circumferential wall of cavity
And between the outside of outer rotor 30.
Owing to being additionally arranged rolling element 40 between outer rotor 30 and oil pump seat 10, thus decrease friction when moving therebetween,
Reduce the two and assemble the bad abrasion caused, reduce assembly precision requirement, improve the assembling quality of oil pump structure, and have
Effect avoids the generation of abnormal sound, thus effectively extend oil pump structure service life, improve oil pump structure use can
By property, the operational reliability that ensure that compressor.
Alternatively, using small-gap suture to coordinate between outer rotor 30 and rolling element 40, fit clearance, at s level (0.01mm), is much smaller than
Gap between traditional outer rotor 30 and oil pump seat 10, it is ensured that same in motor process of outer rotor 30 and oil pump seat 10
Axle degree, thus reduce the noise that oil pump structure produces in compressor high speed motions.
Certainly, outer rotor 30 and rolling element 40 can be with blind-mate.
Owing to being solely subjected to radial force between outer rotor 30 and oil pump seat 10, and stress is less, so rolling element 40 can use many
The mode of kind.Alternatively, rolling element 40 is bearing.Additionally optionally, rolling element 40 is the knot such as cylinder rolling element, ball rolling element
Structure.
In order to ensure the motion credibility of outer rotor 30, rolling element 40 is multiple, and multiple rolling elements 40 are around the week of outer rotor 30
In being disposed on cavity.Multiple rolling elements 40, it is possible to making outer rotor 30 operate more steady, the dispersion degree of rotation is more preferable.
In order to improve the motion credibility of outer rotor 30, the interval between two rolling elements 40 of arbitrary neighborhood is equal.
As shown in Figure 3 and Figure 4, the number of rolling element 40 is more than or equal to 4.
Alternatively, the inner circumferential wall of cavity has the mounting groove for accommodating rolling element 40, and rolling element 40 is arranged in mounting groove
After, a part for rolling element 40 is by the notch of mounting groove outwardly.So make oil pump seat 10 and rolling element 40 integral type embedding
Enter formula assembling, be conducive to improving the assembly reliability of the two.
As shown in Figure 4, oil pump structure also includes that retainer 50, retainer 50 are arranged in cavity, rolling element 40 and retainer
50 connect, so that rolling element 40 rotation under the driving of outer rotor 30.Use retainer 50, outer rotor 30 He can be realized
The uniform contact of rolling element 40, is avoided that again eccentric wear when rolling element 40 quantity is very few.Retainer 50 can use the merits such as resin
Energy class plastics, it is possible to the impact of buffering rolling element 40, reduce the noise during outer rotor 30 runs up.Meanwhile, keep
Frame 50 can also realize the fixing of the uniform of the circumferencial direction of rolling element 40 and position.
Oil pump structure in this utility model, by increasing rolling element 40, so that turning outward between outer rotor 30 and oil pump seat 10
Sliding friction, during spinning motion, is become rolling friction, reduces frictional force, thus eliminate noise by son 30.
After putting into rolling element 40 in mounting groove, utilize frock to fix, then reinstall retainer 50, to complete rolling element
The assembling of 40.
Specifically, in the form of a ring, retainer 50 in the form of a ring is positioned at outside inner circumferential wall and the outer rotor 30 of cavity retainer 50
Between wall, retainer 50 is fixing with oil pump seat 10 to be connected.
As in figure 2 it is shown, cavity is stepped, internal rotor 20, outer rotor 30, rolling element 40 and retainer 50 are in cavity
The first bench in, oil pump structure also includes oil pump cover plate 60, and oil pump cover plate 60 lid is located at the second step and first bench of cavity
Variable cross-section sentence internal rotor 20, outer rotor 30, rolling element 40 and retainer 50 be sealed in the first bench.To avoid oil
The volumetric efficiency of pump configuration reduces.
Alternatively, cavity deviation oil pump seat 10 is centrally disposed.
In the detailed description of the invention shown in Fig. 1, compressor includes oil pump structure and bent axle 70, and oil pump structure is above-mentioned oil pump
Structure, bent axle 70 is coaxially disposed with the internal rotor 20 of oil pump structure.There is on bent axle 70 crankshaft oil hole 71.
This compressor is screw compressor, this screw compressor also include sealing shell, orbiter 90, fixed scroll 80, on
Support 100, it is positioned at the upper bracket back pressure oil sump 110 at upper bracket 100, cross slip-ring 120, lower carriage 130, rotor
140, motor stator 150, suction nozzle 160 and exhaustor 170.The molded line of orbiter 90 and fixed scroll 80 is all spiral
Shape, the relative fixed scroll 80 of orbiter 90 is eccentric and differs 180 degree of installations, and their axially meeting is at several straight lines in theory
Upper contact (being then several point cantact on cross section), the end of vortex molded line is touched with relative vortex bottom connection, then
A series of crescent-shaped space, i.e. element volume is defined between dynamic and static scroll plate.At orbiter 90 with fixed scroll 80
Center be center of rotation and make without rotation with certain radius of turn revolution translation time, outer ring crescent-shaped space will constantly in
The heart moves, and now, coolant is gradually pushed to central space, and its volume constantly reduces and pressure constantly raises, until and central row
Pore communicates, and high pressure coolant is discharged the pump housing.
As it is shown in figure 1, compressor is in operation process, coolant is entered compressor fixed scroll 80 by suction nozzle 160, in quiet whirlpool
Being compressed in the selenodont space that capstan 80 and orbiter 90 are formed, compression end of a period cold media gas is by fixed scroll 80
Heart air vent is discharged, and enters upper space, enters on motor stator 150 through the exhaust passage of fixed scroll 80 and upper bracket 100
Space, portion, the gas after cooling motor stator 150 enters exhaustor 170, discharges hull outside space.
In oil piping system, bottom compressor, the lubricating oil in oil sump is through oil pump structure oil supply, enters the crankshaft oil hole 71 of bent axle 70
In, under the continuous oil supply of oil pump structure, the oil in crankshaft oil hole 71 rises to the head of bent axle 70, lubricates Moving plate afterbody axle
After holding (not providing), enter in upper bracket back pressure oil sump 110, form back pressure oil sump, spill port (not being given in figure) is set simultaneously,
Lubricating oil in upper bracket back pressure oil sump 110 is back to the bottom of compressor, forms an oil circulation.
Oil pump structure in this utility model improves the assembling mode between outer rotor 30 and oil pump seat 10, it is to avoid outer rotor 30
With the oil pump seat 10 friction in operation process, wear problem；By improving the location mode of outer rotor 30 and oil pump seat 10,
Simultaneously by the constraint of outer rotor 30 radial direction, reduce the extraordinary noise that oil pump structure produces during running up.This
Oil pump structure in utility model solves outer rotor 30 and assembles the bad inordinate wear problem brought；Solve positive displacement oil simultaneously
Without the problem of centering during pump configuration assembling.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root according to this Shen
Illustrative embodiments please.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to
Including plural form, additionally, it should be understood that, when using term " to comprise " in this manual and/or time " including ", its
Indicate existing characteristics, step, work, device, assembly and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc.
It is for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use
Can exchange in the appropriate case, in order to presently filed embodiment described herein can be with except here illustrating or describing
Order beyond those is implemented.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (11)
1. an oil pump structure, it is characterised in that including:
Oil pump seat (10), described oil pump seat (10) has cavity；
Internal rotor (20), described internal rotor (20) is positioned at described cavity；
Being set in the outer rotor (30) in described internal rotor (20) outside, described outer rotor (30) is positioned at described cavity,
And described internal rotor (20) and described outer rotor (30) eccentric setting；
Rolling element (40), described rolling element (40) is positioned at described cavity, and described rolling element (40) is in described recessed
Between inner circumferential wall and the outside of described outer rotor (30) in chamber.
Oil pump structure the most according to claim 1, it is characterised in that described rolling element (40) is multiple, multiple described rollings
Kinetoplast (40) is provided at circumferentially spaced in described cavity around described outer rotor (30).
Oil pump structure the most according to claim 2, it is characterised in that between two described rolling elements (40) of arbitrary neighborhood
It is spaced equal.
Oil pump structure the most according to claim 3, it is characterised in that the number of described rolling element (40) is more than or equal to 4.
Oil pump structure the most according to claim 1, it is characterised in that the inner circumferential wall of described cavity has for accommodating described
The mounting groove of rolling element (40), after described rolling element (40) is arranged in described mounting groove, described rolling element (40)
A part by the notch of described mounting groove outwardly.
Oil pump structure the most according to any one of claim 1 to 5, it is characterised in that described oil pump structure also includes keeping
Frame (50), described retainer (50) is arranged in described cavity, described rolling element (40) and described retainer (50)
Connect, so that described rolling element (40) rotation under the driving of described outer rotor (30).
Oil pump structure the most according to claim 6, it is characterised in that described retainer (50) in the form of a ring, institute in the form of a ring
State retainer (50) to be positioned between the inner circumferential wall of described cavity and the outer wall of described outer rotor (30), described retainer
(50) fixing with described oil pump seat (10) it is connected.
Oil pump structure the most according to claim 7, it is characterised in that described cavity is stepped, described internal rotor (20),
Described outer rotor (30), described rolling element (40) and described retainer (50) are in the first bench of described cavity,
Described oil pump structure also includes oil pump cover plate (60), described oil pump cover plate (60) lid be located at the second step of described cavity with
The variable cross-section of the first bench is sentenced described internal rotor (20), described outer rotor (30), described rolling element (40) and institute
State retainer (50) to be sealed in described first bench.
Oil pump structure the most according to any one of claim 1 to 5, it is characterised in that described cavity deviates described oil pump seat
(10) centrally disposed.
10. a compressor, including oil pump structure and bent axle (70), it is characterised in that described oil pump structure is claim 1 to 9
According to any one of oil pump structure, described bent axle (70) is coaxially disposed with the internal rotor (20) of described oil pump structure.
11. 1 kinds of heat-exchange systems, including compressor, it is characterised in that described compressor is the compressor described in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060150.6U CN205533180U (en) | 2016-01-21 | 2016-01-21 | Oil pump structure, compressor and heat transfer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060150.6U CN205533180U (en) | 2016-01-21 | 2016-01-21 | Oil pump structure, compressor and heat transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533180U true CN205533180U (en) | 2016-08-31 |
Family
ID=56766398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060150.6U Active CN205533180U (en) | 2016-01-21 | 2016-01-21 | Oil pump structure, compressor and heat transfer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545726A (en) * | 2016-01-21 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil pump structure, compressor and heat exchange system |
-
2016
- 2016-01-21 CN CN201620060150.6U patent/CN205533180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545726A (en) * | 2016-01-21 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil pump structure, compressor and heat exchange system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |