CN208669601U - The pump assembly of compressor, rotary compressor and refrigeration equipment with it - Google Patents
The pump assembly of compressor, rotary compressor and refrigeration equipment with it Download PDFInfo
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- CN208669601U CN208669601U CN201821436850.6U CN201821436850U CN208669601U CN 208669601 U CN208669601 U CN 208669601U CN 201821436850 U CN201821436850 U CN 201821436850U CN 208669601 U CN208669601 U CN 208669601U
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Abstract
The utility model discloses a kind of rotary compressor and its pump assembly, refrigeration equipment, pump assembly includes: cylinder, and cylinder has exhaust hole；First bearing, first bearing are located at the lower axial end of cylinder, and first bearing is equipped with the first through hole being connected to exhaust hole；Second bearing, second bearing are located at the upper axial end of cylinder, and second bearing is equipped with the second through-hole being connected to exhaust hole；First muffler, the first muffler are located in first bearing and limit the first silencing cavity of the cylinder chamber and first through hole that are connected to cylinder with first bearing；Second muffler, the second muffler are located in second bearing and have the venthole being connected to the second through-hole, wherein at least part of the second through-hole is relative to cylinder axially inwards and to away from the inclination extension of the direction of first bearing.The compressor of pump assembly with the utility model embodiment is easier to oil return, can promote the reliability of compressor.
Description
Technical field
The utility model relates to refrigeration technology fields, a kind of pump assembly more particularly, to compressor and have the pump housing
The rotary compressor of component and refrigeration equipment with the compressor.
Background technique
In the related art, compressor mostly uses greatly in line muffler, the i.e. gas of lower bearing discharge to improve efficiency
Without upper bearing (metal) muffler cavity, but it is exhausted directly to the region that upper bearing (metal) and motor are formed.The compressor warp of this kind of structure
The problem for often being easy to oil return difficulty occur, the structure of compressor are further improved.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model
One purpose is to propose that a kind of pump assembly of compressor, the pump assembly make compressor be easier to oil return.
The utility model also proposed a kind of rotary compressor with above-mentioned pump assembly.
The utility model also proposed a kind of refrigeration equipment with above-mentioned rotary compressor.
According to the pump assembly of the compressor of the utility model embodiment, comprising: cylinder, the cylinder have exhaust logical
Hole；First bearing, the first bearing are located at the lower axial end of the cylinder, and the first bearing is equipped with and the exhaust hole
The first through hole of connection；Second bearing, the second bearing are located at the upper axial end of the cylinder, the second bearing be equipped with
Second through-hole of the exhaust hole connection；First muffler, first muffler be located in the first bearing and with institute
State the first silencing cavity that first bearing limits the cylinder chamber and the first through hole that are connected to the cylinder；Second muffler, institute
It states the second muffler to be located in the second bearing and there is the venthole being connected to second through-hole, wherein described second
At least part of through-hole is relative to the cylinder axially inwards and to away from the inclination extension of the direction of the first bearing.
According to distribution of the adjustable gas of the pump assembly of the utility model embodiment in the shell of compressor, increase
The gas flow ratio in the gap between stator and rotor reduces the gas flow ratio in the gap between shell and stator
Example guarantees the oil sump liquid of compressor so that being conducive to the lubricating oil of shell internal upper part accumulation can more swimmingly be back in oil sump
Face position, and then promote the reliability of compressor.
In addition, can also have the following additional technical features: according to the pump assembly of the utility model above-described embodiment
Optionally, the angle β 1 of the radial section of the central axis and cylinder of the sloping portion of second through-hole is full
Foot: 45 degree of 90 degree of 1 < of < β.
Further, the sloping portion of second through-hole is oblique circular cylinder shape.
Some embodiments according to the present utility model, axis of at least part of the first through hole relative to the cylinder
To outward and to towards the direction of the second bearing tilt extend.
Optionally, the angle β 2 of the radial section of the central axis of the sloping portion of the first through hole and the cylinder is full
Foot: 45 degree of 90 degree of 2 < of < β.
In some embodiments of the utility model, the center of the central axis of the exhaust hole, the first through hole
The central axis of axis and second through-hole is in same plane.
Optionally, second muffler has the plate with the second bearing plane-plane contact, and the venthole is set to
The plate.
According to the rotary compressor of the utility model embodiment, including the pump housing group according to the utility model embodiment
Part.
Optionally, the gap between the stator and rotor of the compressor, the venthole and second through-hole are on edge
There is overlapping in the axial orthographic projection of the cylinder.
According to the refrigeration equipment of the utility model embodiment, including the pump assembly according to the utility model embodiment.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the compressor of the utility model embodiment.
Appended drawing reference:
Compressor 100；
Pump assembly 110；Electric machine assembly 120；Stator 121；Rotor 122；Shell 130；Crankshaft 101；Piston 102；
Cylinder 10；Exhaust hole 11；Cylinder chamber 12；
First bearing 20；First through hole 21；
Second bearing 30；Second through-hole 31；
First muffler 40；First silencing cavity 41；
Second muffler 50；Venthole 51；Second silencing cavity 52.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.Those skilled in the art can be to these implementations in the case where not departing from the principles of the present invention and objective
Example carries out a variety of change, modification, replacement and modification, and the scope of the utility model is defined by the claims and their equivalents.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "inner", "outside", " axis
To ", the orientation or positional relationship of the instructions such as " radial direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
Below with reference to the accompanying drawings rotary compressor 100 and its pump assembly 110 according to the utility model embodiment is described.
It should be noted that the pump assembly 110 according to the utility model embodiment is not limited to use in the rotary of structure shown in Fig. 1
Compressor 100 can be also used for the compressor of other structures, what this will be appreciated that those skilled in the art.
It may include pump assembly according to the rotary compressor 100 of the utility model one embodiment shown in referring to Fig.1
110, electric machine assembly 120, shell 130 etc..Pump assembly 110 and electric machine assembly 120 are located in shell 130, from pump assembly 110
The gas of interior discharge can be by the stator 121 and rotor in gap, electric machine assembly 12 between electric machine assembly 120 and shell 130
122 gap and the inner passage of rotor 122 flow up.
Pump assembly 110 may include: that cylinder 10, first bearing 20, second bearing 30, the first muffler 40 and second disappear
Sound device 50.Cylinder 10 has exhaust hole 11, and first bearing 20 is located at the lower axial end of cylinder 10, and second bearing 30 is located at cylinder
10 upper axial end.First bearing 20 is equipped with first through hole 21, and first through hole 21 is connected to exhaust hole 11.Second bearing 30 is set
There is the second through-hole 31, the second through-hole 31 is connected to exhaust hole 11.
First muffler 40 is located in first bearing 20, and the first muffler 40 limits first with first bearing 20 and disappears
Sound chamber 41, the first silencing cavity 41 are connected to the cylinder chamber 12 and first through hole 21 of cylinder 10.Second muffler 50 is located at second bearing
On 30, and the second muffler 50 has venthole 51, and venthole 51 is connected to the second through-hole 22.As shown by the arrows in Figure 1, from
The gas being discharged in cylinder chamber 12 can enter in the first silencing cavity 41, then in turn through exhaust hole 11, the second through-hole
31 and venthole 51 be drained into the inner space of shell 130 of rotary compressor 100.
Compressor mostly uses greatly in line muffler to improve efficiency in the related technology some, i.e. lower bearing discharge
Gas is exhausted directly to the region that upper bearing (metal) and motor are formed without upper bearing (metal) muffler cavity.Inventors have found that so
The gas flow ratio that structure design can flow through the gap that shell is formed with motor trimming will increase, it is possible to cause product in electricity
The lubricating oil on machine top is difficult to return to oil sump, causes oil sump oil surface level to decline, brings compressor reliability risk.
In view of this, at least part of the second through-hole 31 can be relative to cylinder in the embodiments of the present invention
10 axially inwards (i.e. to close to cylinder 10 central axis direction) and to away from first bearing 20 direction (in Fig. 1 institute
It is downwardly direction in the embodiment shown) inclination extension.In Fig. 1, on the flow direction along gas, the second through-hole 31 and gas
The inclination angle of the radial section of cylinder 10 is acute angle.
Studies have shown that when at least part of the second through-hole 31 according to such as upper type is obliquely installed when, from first bearing 20
The gas of discharge, which flows under the guidance of sloping portion from the gap of the stator 120 of rotary compressor 100 and rotor 130, to be reached
The gas flow ratio on the top of electric machine assembly 120 increases, on the contrary, the periphery trimming by electric machine assembly 120 reaches motor
The gas flow ratio on the top of component 120 can be reduced, and the oil accumulation on the top of stator 121 can be enable more suitable in this way
Oil sump freely is returned to, and then guarantees lubricating oil liquid level, is finally reached the purpose for promoting compressor reliability.
According to the pump assembly 110 of the utility model embodiment, by make at least part of the second through-hole 31 relative to
Cylinder 10 is obliquely installed axially inwards and to the direction away from first bearing 20, and adjustable gas is in rotary compressor
The interior distribution of 100 shell 130, increases the throughput in the gap between stator 121 and rotor 122, reduces from shell 130 and determines
The throughput in the gap between son 121, so that oil sump can be more swimmingly back to by being conducive to the oil accumulation on the top in shell 130
It is interior, the drawback of oil return difficulty is effectively solved, keeps oil return more smoothly, to guarantee the sump liquid level position of rotary compressor 100
It sets, and then promotes the reliability of rotary compressor 100.In addition, the structure also have many advantages, such as it is easily manufactured.
In some specific examples of the utility model, the second through-hole 31 is whole to be obliquely installed, and is led in this way to gas
It is more preferable to flow effect, oil return effect can be promoted, while further convenient for manufacture.In other specific examples of the utility model
In, along the axially extending of cylinder 10, the air outlet section of second channel 31 is obliquely installed the air inlet section of second channel 31, same in this way
It can guarantee good oil return effect.
The inclined degree of some embodiments according to the present utility model, the sloping portion of the second through-hole 31 is met certain condition
Diversion effect can be promoted.For ease of description, shown in referring to Fig.1, the central axis and cylinder of the sloping portion of the second through-hole 31
The angle of 20 radial section is β 1, and β 1 can satisfy: 45 degree of 90 degree of 1 < of < β.For example, β 1 can be 50 degree, 130 degree, 70
Degree, 80 degree etc..In some embodiments, due to the diversification of the shape of the second through-hole 31, the hole week of the second through-hole 31
Wall is not necessarily parallel to the central axis of the second through-hole 31, and therefore, the hole peripheral wall of the sloping portion of the second through-hole 31 is relative to gas
The axial inclined degree and β 1 of cylinder 20 can slight difference on specific inclination numerical value.
In some specific examples of the utility model, the sloping portion of the second through-hole 21 is oblique circular cylinder shape.As a result, second
The radial section of through-hole 21 can be formed as round, be not only convenient for manufacturing, and the hole peripheral wall of the sloping portion of the second through-hole 21
It can be equal to β 1 with the centerline axis parallel of the second through-hole 21, the size at the inclination angle of the radial section relative to cylinder 10, lead
Better effect is flowed, is conducive to further promote oil return effect.
Shown in referring to Fig.1, optionally, in some embodiments of the utility model, at least part of first through hole 21
May be set to be it is inclined, specifically, at least part of first through hole 21 can relative to cylinder 10 axially inwards (i.e.
To the direction of the central axis close to cylinder 20) and to towards the direction of first bearing 20 (in Fig. 1 be upwardly direction)
Inclination extends.First through hole 21 can play diversion effect to gas as a result, thus it is possible to vary the flow direction of gas, with first through hole
21 cooperations can further promote oil return effect.
Optionally, shown in referring to Fig.1, the radial section of the central axis and cylinder 10 of the sloping portion of first through hole 21
Angle is β 2, and β 2 can satisfy: 45 degree of 90 degree of 2 < of < β.Cooperate the effect of promotion oil return with first through hole 21 more preferably in this way.
The shape of first through hole 21 is not done specifically limited, optionally, the sloping portion of first through hole 21 can be oblique circular cylinder shape, by
This, is not only convenient for manufacturing, and keeps gas flowing more smooth, is conducive to the exhaust performance for promoting pump assembly 110.
Some embodiments according to the present utility model, the central axis of the central axis of exhaust hole 11, first through hole 21
It is in same plane with the central axis of the second through-hole 31.In this way, being not only convenient for manufacturing, and exhaust effect can be improved,
Promote the exhaust performance of pump assembly 110.
As shown in Figure 1, the second muffler 50 has and 30 face face of second bearing in some embodiments of the utility model
The plate of contact, venthole 51 are set to plate.In this way, the second muffler 50 connect with second bearing 30 it is closer, it is logical from second
The gas that hole 31 is flowed out can enter directly into venthole 51, reduce the gap for entering the second muffler 50 and second bearing 30
Gas flow, also, the second silencing cavity that venthole 51 can be cooperatively formed preferably with the second silencing cavity 50 and second bearing 30
51 partitions are opened, and the in line property of the second muffler 50 is more preferable, and the exhaust performance of pump assembly 110 is more preferable.
As shown in Figure 1, optionally, gap, venthole 51 between the stator 121 and rotor 122 of rotary compressor 100
There is overlapping in the axial orthographic projection along cylinder 10 with the second through-hole 31.That is, the gap of stator 121 and rotor 122
Along cylinder 10 axial orthographic projection, venthole 51 in the axial orthographic projection and the second through-hole 31 along cylinder 10 along cylinder
There is the part of overlapping in 10 axial orthographic projection.Studies have shown that such setting is more favorable for gas from electric machine assembly 120
Center flows up, and can increase throughput of the gas from the gap of stator 121 and rotor 122, reduces gas from motor group
The throughput of part 120 and shell 130, in favor of further promoting oil return effect.
Have shown in the compressor and Fig. 1 not being obliquely installed with first through hole in the related technology, the second through-hole and inclines
It for the rotary compressor 100 of oblique first through hole 21, tests after study, some performances of rotary compressor 100 are equal
It is promoted, test result is as shown in table 1.
Table 1
From table 1 it follows that the oil of the rotary compressor 100 of the utility model embodiment follows compared with comparative example
Ring rate (OCR) becomes larger, and oil return effect is substantially improved, and ability is also promoted, and the increments such as vibration, noise are small, and complete machine is comprehensive
Performance boost.
The utility model also proposed a kind of refrigeration equipment, and refrigeration equipment includes the pump housing according to the utility model embodiment
Component 110, since there is above-mentioned beneficial technical effect according to the pump assembly 110 of the utility model embodiment, according to
The oil return capacity of the refrigeration equipment of the utility model embodiment is promoted.Optionally, refrigeration equipment can be air-conditioning, refrigerator etc..
According to other compositions of the refrigeration equipment of the utility model embodiment, rotary compressor 100 and pump assembly 110
And operation be all for those of ordinary skills it is known, be not detailed herein.
In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie
Close at least one reality that the embodiment or example particular features, structures, materials, or characteristics described are contained in the utility model
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples
Do not interfering, can be combined with each other in an appropriate manner in reconcilable situation.
Claims (10)
1. a kind of pump assembly of compressor characterized by comprising
Cylinder, the cylinder have exhaust hole；
First bearing, the first bearing are located at the lower axial end of the cylinder, and the first bearing is equipped with logical with the exhaust
The first through hole of hole connection；
Second bearing, the second bearing are located at the upper axial end of the cylinder, and the second bearing is equipped with logical with the exhaust
Second through-hole of hole connection；
First muffler, first muffler are located in the first bearing and described in limiting and being connected to the first bearing
First silencing cavity of the cylinder chamber of cylinder and the first through hole；
Second muffler, second muffler are located in the second bearing and have the ventilation being connected to second through-hole
Hole, wherein at least part of second through-hole is relative to the cylinder axially inwards and to away from the first bearing
Direction tilt extend.
2. the pump assembly of compressor according to claim 1, which is characterized in that the sloping portion of second through-hole
The angle β 1 of the radial section of central axis and the cylinder meets:
45 degree of 90 degree of 1 < of < β.
3. the pump assembly of compressor according to claim 2, which is characterized in that the sloping portion of second through-hole is
Oblique circular cylinder shape.
4. the pump assembly of compressor according to claim 1, which is characterized in that at least part of the first through hole
Relative to the cylinder axially outward and to towards the direction of the second bearing tilt extend.
5. the pump assembly of compressor according to claim 4, which is characterized in that the sloping portion of the first through hole
The angle β 2 of the radial section of central axis and the cylinder meets:
45 degree of 90 degree of 2 < of < β.
6. the pump assembly of compressor according to claim 1, which is characterized in that the central axis of the exhaust hole,
The central axis of the central axis of the first through hole and second through-hole is in same plane.
7. the pump assembly of compressor according to claim 1 to 6, which is characterized in that second muffler
With the plate with the second bearing plane-plane contact, the venthole is set to the plate.
8. a kind of rotary compressor, which is characterized in that the pump including compressor described according to claim 1 any one of -7
Body component.
9. rotary compressor according to claim 8, which is characterized in that the stator and rotor of the rotary compressor
Between gap, the venthole and second through-hole there is overlapping in the axial orthographic projection along the cylinder.
10. a kind of refrigeration equipment, which is characterized in that the pump housing including compressor described according to claim 1 any one of -7
Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821436850.6U CN208669601U (en) | 2018-08-31 | 2018-08-31 | The pump assembly of compressor, rotary compressor and refrigeration equipment with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821436850.6U CN208669601U (en) | 2018-08-31 | 2018-08-31 | The pump assembly of compressor, rotary compressor and refrigeration equipment with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669601U true CN208669601U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821436850.6U Active CN208669601U (en) | 2018-08-31 | 2018-08-31 | The pump assembly of compressor, rotary compressor and refrigeration equipment with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966203A (en) * | 2019-11-18 | 2020-04-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump body and compressor |
-
2018
- 2018-08-31 CN CN201821436850.6U patent/CN208669601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966203A (en) * | 2019-11-18 | 2020-04-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump body and compressor |
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