CN208763891U - Oil separating structure, screw compressor and the automobile of screw compressor - Google Patents
Oil separating structure, screw compressor and the automobile of screw compressor Download PDFInfo
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- CN208763891U CN208763891U CN201821422821.4U CN201821422821U CN208763891U CN 208763891 U CN208763891 U CN 208763891U CN 201821422821 U CN201821422821 U CN 201821422821U CN 208763891 U CN208763891 U CN 208763891U
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- oil
- screw compressor
- distributing pipe
- lid
- air inlet
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Abstract
The utility model discloses a kind of oil separating structures of screw compressor, screw compressor and automobile, oil separating structure includes the first lid and oil distributing pipe, air inlet on first lid with oil pocket is divided and with dividing oil pocket to be connected to, oil distributing pipe is vertically installed at the dividing in oil pocket of the first lid, the central axes of air inlet and the central axes of oil distributing pipe are vertical, oil distributing pipe includes by sequentially connected first segment under upper, second segment and third section, the diameter of the second segment of oil distributing pipe gradually decreases under upper, the diameter D of air inlet is between 3mm-12mm, the central axes of air inlet to the lower end surface of oil distributing pipe vertical range L between 5mm-35mm, angle β between two sides of the longitudinal section of the second segment of oil distributing pipe is between 10 ° -45 °.The utility model can make oil gas separation more preferable, so as to preferably improve compressor output and efficiency.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly to a kind of oil separation knot of screw compressor
Structure, screw compressor and automobile.
Background technique
Screw compressor is since the features such as its is small in size, light-weight, high-efficient, is as compression preferred in present passenger car
Machine type, and also influenced simultaneously by its structure, the exhaust oil content of usual compressor is higher, the refrigerant in cooling cycle system
Oil content it is also higher, although certain lubricating action can be played to the bearing of compressor in this way, which due to refrigeration
Refrigerant oil content is higher and reduce its refrigerating capacity in circulation, reduces the efficiency of compressor, while to bearing of compressor
Lubricating action is also limited.
Although can be solved at present by the way that oil separating structure is arranged on screw compressor since refrigerant oil content is higher
And the problem of reducing its refrigerating capacity, reducing the efficiency of compressor, but due to the oil gas of current oil separating structure point
It is limited from effect, it is also limited to the promotion of compressor output and efficiency.
Utility model content
The purpose of this utility model is to provide a kind of oil separating structure of the better screw compressor of oil gas separation,
Screw compressor and automobile can preferably improve compressor output and efficiency.
The technical solution of the utility model are as follows: a kind of oil separating structure of screw compressor, the oil separating structure are provided
Have including the first lid and oil distributing pipe, on first lid divide oil pocket and with the air inlet that divides oil pocket to be connected to, described point of oil
Pipe is vertically installed at the dividing in oil pocket of the first lid, and the central axes of the air inlet and the central axes of oil distributing pipe are vertical, and described point
Oil pipe includes by sequentially connected first segment, second segment and third section under upper, and the diameter of the second segment of the oil distributing pipe is from upper
Under gradually decrease, the diameter D of the air inlet is between 3mm-12mm, the central axes to the lower end of oil distributing pipe of the air inlet
Between 5mm-35mm, angle β's vertical range L in face between two sides of the longitudinal section of the second segment of the oil distributing pipe exists
Between 10 ° -45 °.
The diameter D of the air inlet is 6mm.
The vertical range L of the central axes of the air inlet to the lower end surface of oil distributing pipe is 20mm.
Angle β between two sides of the longitudinal section of the second segment of the oil distributing pipe is 30 °.
The oil return hole for being additionally provided on first lid and oil pocket being divided to be connected to, and filter device is equipped in oil return hole.
The filter device is strainer.
The utility model also provides a kind of screw compressor, including oil separating structure described above.
The screw compressor further includes shell and the quiet disk for being set in the housing portion, and first lid is fixed on shell
One end is simultaneously located at hull outside, and discharge chamber is formed between first lid and quiet disk, and the air inlet also connects with discharge chamber
It is logical.
The screw compressor further includes the main shaft, Moving plate and the second lid in the portion that is set in the housing, and the Moving plate is mounted on
One end of main shaft, second lid are set on main shaft, and Moving plate back pressure cavity, institute are formed between second lid and Moving plate
Oil return hole is stated to be connected to Moving plate back pressure cavity.
The utility model also provides a kind of automobile, including screw compressor described above.
Diameter D in the utility model due to air inlet will affect into the cold medium flux for dividing oil pocket, and then influence a point oil
Amount, L will affect oil separating structure and whether play the role of Oil-gas Separation, L long and short all not have Oil-gas Separation
Or the poor effect of Oil-gas Separation, and β influences the speed that refrigerant is rotated around oil distributing pipe outside wall surface, the speed of rotation is faster, oil
Gas separation is faster, therefore, D, L and β is arranged to above-mentioned value range, oil gas separation can be made more preferable, so as to
It is enough preferably to improve compressor output and efficiency.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the utility model embodiment mesoscale eddies compressor.
Fig. 2 is the sectional structure chart of oil distributing pipe in the utility model embodiment.
Specific embodiment
As shown in Figure 1, the screw compressor proposed in the utility model embodiment, screw compressor includes shell 1, quiet disk
2, Moving plate 3, main shaft 4, the second lid 5 and oil separating structure, quiet disk 2, Moving plate 3 and main shaft 4 are located inside shell 1.Oil separation knot
Structure includes the first lid 7 and oil distributing pipe 8, have on the first lid 7 divide oil pocket 71 and with the air inlet 72 that divides oil pocket 71 be connected to, divide
What oil pipe 8 was vertically installed at the first lid 7 divides in oil pocket 71 (i.e. the central axes of oil distributing pipe 8 are parallel with vertical direction).Divide oil pocket
71 is cylindrical and be vertically arranged, and the cross-sectional shape of oil distributing pipe 8 is circle, in the central axes of air inlet 72 and oil distributing pipe 8
Axis is vertical, and the central axes of air inlet 72 and the outside wall surface of oil distributing pipe 8 are tangent.
The oil return hole 74 for being additionally provided on first lid 7 and oil pocket 71 being divided to be connected to, oil return hole 74 are located at the lower section of oil distributing pipe 8.
The gas vent 73 for being additionally provided on first lid 7 and oil pocket 71 being divided to be connected to, gas vent 73 are located at the top of oil distributing pipe 8.The present embodiment
In, the bottom of the first lid 7 is arranged in oil return hole 74, and the top of lid 7 is arranged in gas vent 73, and oil distributing pipe 8 is close to gas vent
73 settings.
First lid 7 is fixed on one end of shell 1 and is located at outside shell 1, and is formed between the first lid 7 and quiet disk 2
Discharge chamber 9, air inlet 72 are also connected to discharge chamber 9.Moving plate 3 is mounted on one end of main shaft 4, and the second lid 5 is set in main shaft 4
On, and Moving plate back pressure cavity 6 is formed between the second lid 5 and Moving plate 3, oil return hole 74 is connected to Moving plate back pressure cavity 6.
After the refrigerant for being mixed with lubricating oil is discharged to discharge chamber 9 from the central exhaust port on quiet disk 2, refrigerant is from the first lid
Air inlet 72 on 7, which enters, to be divided in oil pocket 71, cold in this way since the central axes of air inlet 72 and the outside wall surface of oil distributing pipe 8 are tangent
Matchmaker is since the effect of tangential force can be rotated around the outside wall surface of oil distributing pipe 8, and due to the effect of centrifugal force, high speed rotation
Refrigerant in lubricating oil be split into the cavity wall of point oil pocket 71, the lubricating oil separated by gravity effect along point
The cavity wall flow down of oil pocket 71 gathers the bottom of point oil pocket 7, then will divide oil pocket 7 bottom under the high pressure effect of discharge chamber 9
Lubricating oil be transported in Moving plate back pressure cavity 6 by oil return hole 74, lubricating spindle holds 11 and Moving plate bearing 12, improves compressor
Refrigeration effect and service life, also improve the efficiency of compressor.And refrigerant is after Oil-gas Separation, refrigerant is upwards through a point oil
Compressor is discharged from exhaust outlet 73 in pipe 8.
It is equipped with filter device 10 in oil return hole 74, plays the role of impurity screening, preferably filter device 10 is strainer, strainer
It is interference fit between oil return hole.
As shown in Fig. 2, oil distributing pipe 8 include by sequentially connected first segment 81, second segment 82 and third section 83 under upper, point
The diameter of the second segment 82 of oil pipe 8 gradually decreases under upper, first segment and the cavity wall of oil pocket is divided to be interference fitted.First segment 81
Diameter is equal with the upper end diameter of second segment 82, and the diameter of third section 83 is equal with the lower end diameter of second segment 82.
But in order to enable oil gas separation is more preferable, and compressor output and efficiency can be preferably improved, this
Accurate setting has been carried out to oil separating structure in embodiment, specific as follows:
As shown in Figure 1, the diameter D of air inlet 72 is between 3mm-12mm, under the central axes to oil distributing pipe 8 of air inlet 72
The vertical range L of end face is between 5mm-35mm, as shown in Fig. 2, between two sides of the longitudinal section of the second segment 82 of oil distributing pipe 8
Angle β between 10 ° -45 °.The diameter D of air inlet will affect into the cold medium flux for dividing oil pocket, and then influence to divide oil mass, L
Will affect oil separating structure and whether play the role of Oil-gas Separation, L long and it is short all do not have Oil-gas Separation or
The poor effect of Oil-gas Separation, and β influences the speed that refrigerant is rotated around oil distributing pipe outside wall surface, the speed of rotation is faster, oil gas point
From faster, therefore, D, L and β be arranged to above-mentioned value range, oil gas separation can be made more preferable, so as to more
Good raising compressor output and efficiency.
In order to enable oil gas separation is best, the diameter D of air inlet is set as 6mm, the central axes of air inlet are oily to dividing
The vertical range L of the lower end surface of pipe is set as 20mm, and the angle β between two sides of the longitudinal section of the second segment of oil distributing pipe is set as
30°。
As shown in Fig. 2, the pipe thickness T of oil distributing pipe 8, between 0.5mm-3mm, preferably T is 2mm, the pipe of oil distributing pipe 8
The intensity and weight of wall thickness influence oil distributing pipe.
The utility model also provides a kind of automobile, including above-mentioned screw compressor.
Only to illustrate the design of the utility model, those skilled in the art's above specific embodiment exist
Various deformation and variation can be made under the design of the utility model, these are deformed and variation is included in the guarantor of the utility model
Within the scope of shield.
Claims (12)
1. a kind of oil separating structure of screw compressor, the oil separating structure includes the first lid (7) and oil distributing pipe (8), institute
Stating has the air inlet (72) for dividing oil pocket (71) He Yufen oil pocket (71) to be connected on the first lid (7), the oil distributing pipe (8) is vertical
It is mounted on dividing in oil pocket (71) for the first lid (7), the central axes of the air inlet (72) and the central axes of oil distributing pipe (8) are hung down
Directly, the oil distributing pipe (8) include by sequentially connected first segment (81), second segment (82) and third section (83) under upper, it is described
The diameter of the second segment (82) of oil distributing pipe (8) gradually decreases under upper, which is characterized in that the diameter D of the air inlet (72)
Between 3mm-12mm, the vertical range L of lower end surface of the central axes of the air inlet (72) to oil distributing pipe (8) is in 5mm-35mm
Between, the angle β between two sides of the longitudinal section of the second segment (82) of the oil distributing pipe (8) is between 10 ° -45 °.
2. the oil separating structure of screw compressor according to claim 1, which is characterized in that the air inlet (72) it is straight
Diameter D is 6mm.
3. the oil separating structure of screw compressor according to claim 1, which is characterized in that in the air inlet (72)
The vertical range L of axis to the lower end surface of oil distributing pipe (8) is 20mm.
4. the oil separating structure of screw compressor according to claim 1, which is characterized in that the of the oil distributing pipe (8)
Angle β between two sides of the longitudinal section of two sections (82) is 30 °.
5. the oil separating structure of screw compressor according to claim 1, which is characterized in that the pipe of the oil distributing pipe (8)
Wall thickness T is between 0.5mm-3mm.
6. the oil separating structure of screw compressor according to claim 5, which is characterized in that the pipe of the oil distributing pipe (8)
Wall thickness T is 2mm.
7. the oil separating structure of screw compressor according to any one of claim 1 to 6, which is characterized in that described
It is additionally provided on one lid (7) and divides the oil pocket oil return hole that (71) are connected to (74), and be equipped with filter device (10) in oil return hole (74).
8. the oil separating structure of screw compressor according to claim 7, which is characterized in that the filter device (10) is
Strainer.
9. a kind of screw compressor, which is characterized in that including oil separating structure described in any item of the claim 1 to 8.
10. screw compressor according to claim 9, which is characterized in that the screw compressor further include shell (1) and
The quiet disk (2) internal set on shell (1), first lid (7) are fixed on one end of shell (1) and are located at shell (1) outside,
And discharge chamber (9) are formed between first lid (7) and quiet disk (2), the air inlet (72) is also connected to discharge chamber (9).
11. screw compressor according to claim 10, which is characterized in that the screw compressor further includes being set to shell
(1) internal main shaft (4), Moving plate (3) and the second lid (5), the Moving plate (3) are mounted on one end of main shaft (4), and described second
Lid (5) is set on main shaft (4), and forms Moving plate back pressure cavity (6) between second lid (5) and Moving plate (3), oil return hole
(74) it is connected to Moving plate back pressure cavity (6).
12. a kind of automobile, which is characterized in that including screw compressor described in any one of claim 9 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422821.4U CN208763891U (en) | 2018-08-31 | 2018-08-31 | Oil separating structure, screw compressor and the automobile of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422821.4U CN208763891U (en) | 2018-08-31 | 2018-08-31 | Oil separating structure, screw compressor and the automobile of screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763891U true CN208763891U (en) | 2019-04-19 |
Family
ID=66134957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422821.4U Active CN208763891U (en) | 2018-08-31 | 2018-08-31 | Oil separating structure, screw compressor and the automobile of screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944618A (en) * | 2021-02-05 | 2021-06-11 | 青岛海信日立空调系统有限公司 | Air conditioner capacity estimation method and air conditioner |
| CN115003913A (en) * | 2020-07-01 | 2022-09-02 | 翰昂汽车零部件有限公司 | Scroll compressor for compressing refrigerant and method for oil enrichment and distribution |
| CN115003913B (en) * | 2020-07-01 | 2024-04-19 | 翰昂汽车零部件有限公司 | Scroll compressor for compressing refrigerant and method for oil enrichment and distribution |
-
2018
- 2018-08-31 CN CN201821422821.4U patent/CN208763891U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115003913A (en) * | 2020-07-01 | 2022-09-02 | 翰昂汽车零部件有限公司 | Scroll compressor for compressing refrigerant and method for oil enrichment and distribution |
| CN115003913B (en) * | 2020-07-01 | 2024-04-19 | 翰昂汽车零部件有限公司 | Scroll compressor for compressing refrigerant and method for oil enrichment and distribution |
| CN112944618A (en) * | 2021-02-05 | 2021-06-11 | 青岛海信日立空调系统有限公司 | Air conditioner capacity estimation method and air conditioner |
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