CN209818303U - Oil blocking cap, rotor assembly and compressor - Google Patents
Oil blocking cap, rotor assembly and compressor Download PDFInfo
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- CN209818303U CN209818303U CN201920510846.8U CN201920510846U CN209818303U CN 209818303 U CN209818303 U CN 209818303U CN 201920510846 U CN201920510846 U CN 201920510846U CN 209818303 U CN209818303 U CN 209818303U
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- mounting cylinder
- fan structure
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Abstract
The utility model relates to a compressor technical field specifically provides an oil blocking cap, rotor subassembly and compressor. The oil blocking cap is used for the compressor, and comprises: mounting the cylinder; the oil baffle plate is fixedly arranged on the periphery of the mounting cylinder along the circumferential direction; and the fan structure is fixedly arranged on the periphery of the mounting cylinder and provides wind power towards the direction of the oil baffle plate when rotating. At the compressor during operation, the fan structure rotates and forms an air draft structure, and refrigerant gas flows out from rotor water conservancy diversion hole with freezing oil miscarriage fluid, and the fan structure further accelerates miscarriage fluid, makes miscarriage fluid strike the oil baffle with higher speed, and the oil-gas separation effect is better, effectively reduces freezing oil along with gaseous outflow, improves the compressor reliability.
Description
Technical Field
The utility model relates to a compressor technical field, concretely relates to keep off oil cap, rotor subassembly and compressor.
Background
In the compression process of the rotary compressor, if too much refrigerating oil enters the refrigerating system along with exhaust airflow, the refrigerating efficiency of the refrigerating system can be reduced, the system performance is reduced, and meanwhile, the refrigerating oil of the compressor is reduced, so that the compressor cannot run reliably. Therefore, the oil-gas separation is generally performed on the mixed fluid by arranging the oil-blocking cap, the refrigerant gas and the refrigerant oil mixed fluid impact the flange surface (oil-blocking plate) of the oil-blocking cap after passing through the rotor flow guide hole, and the refrigerant oil particles can be adhered to the flange surface of the oil-blocking cap to be separated after impact due to the fact that the density of the refrigerant oil is higher than that of the refrigerant gas, so that the oil-gas separation is realized. However, the oil-gas separation effect of the compressor is limited by the flow velocity of the mixed fluid, the flow velocity of the mixed fluid is low, the impact force on the flange surface of the oil blocking cap is low, and the oil-gas separation effect is poor.
SUMMERY OF THE UTILITY MODEL
For solving the current poor technical problem of oil-gas separation effect of oil-gas separation cap, the utility model provides an improve the mixed fluid velocity of flow to improve oil-gas separation effect's oil-gas separation cap.
And simultaneously, for solving above-mentioned technical problem, the utility model also provides a better rotor subassembly of oil-gas separation effect.
Furthermore, for solving the technical problem, the utility model also provides a compressor that oil-gas separation effect is better.
In a first aspect, the utility model provides an oil blocking cap for the compressor, include:
mounting the cylinder;
the oil baffle plate is fixedly arranged on the periphery of the mounting cylinder along the circumferential direction; and
the fan structure is fixedly arranged on the periphery of the mounting cylinder and provides wind power towards the direction of the oil baffle plate when rotating.
In some embodiments, the fan structure includes a plurality of fan blades extending outwardly along the outer peripheral wall of the mounting cylinder.
In some embodiments, the fan structure further includes a sleeve, the sleeve is fixedly sleeved on the outer wall of the mounting cylinder, and the plurality of fan blades are uniformly and fixedly arranged on the outer wall of the sleeve along the circumferential direction.
In some embodiments, the fan structure has a diameter that is less than a diameter of the oil deflector.
In some embodiments, the fan blades are streamlined in cross-section and are oriented such that the fan blades are inclined in a direction that facilitates gas flow toward the oil deflector.
In some embodiments, the fan blades are inclined at an included angle of 10-45 degrees with the axis of the mounting cylinder.
In some embodiments, the number of the fan blades is 3 to 8.
In some embodiments, the oil deflector is integrally formed with the mounting barrel, and the fan blade is integrally formed with the sleeve.
In a second aspect, the present invention provides a rotor assembly, comprising an oil deflector cap according to the above, the oil deflector cap being fixedly mounted at the end of the rotor.
In a third aspect, the present invention provides a compressor, comprising the above rotor assembly.
The technical scheme of the utility model, following beneficial effect has:
1) the utility model provides an oil baffle cap for the compressor, it includes installation section of thick bamboo and along installation section of thick bamboo outer wall circumference fixed connection's oil baffle, and installation section of thick bamboo periphery has set firmly the fan structure, provides the wind-force towards oil baffle direction when the fan structure rotates. At the compressor during operation, the fan structure rotates and forms an air draft structure, and refrigerant gas flows out from rotor water conservancy diversion hole with freezing oil miscarriage fluid, and the fan structure further accelerates miscarriage fluid, makes miscarriage fluid strike the oil baffle with higher speed, and the oil-gas separation effect is better, effectively reduces freezing oil along with gaseous outflow, improves the compressor reliability.
2) The utility model provides a keep off oil cap, fan structure include the sleeve and evenly set firmly a plurality of flabellums with the sleeve outer wall along circumference, fan structure adopt with the mode of installation section of thick bamboo cooperation installation, can add to be located current keep off oil cap to improve current keep off oil cap, reduction in production cost.
3) The utility model provides a keep off oil cap, the diameter of fan structure is less than the diameter of keeping off the oil board, and the cross-section of flabellum is streamlined, and the flabellum is 10 ~ 45 with the slope contained angle of installation section of thick bamboo axis, and the quantity of flabellum is 3 ~ 8, on guaranteeing to the acceleration effect of mixing fluid, reduces the influence that the fluid flows simultaneously.
4) The utility model provides a rotor subassembly and compressor, including foretell oil baffle cap, consequently have above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an oil deflector cap according to some embodiments of the present invention.
Fig. 2 is a front view of an oil deflector cap according to some embodiments of the present invention.
Fig. 3 is a schematic diagram of the operation of an oil deflector cap according to some embodiments of the present invention.
Description of reference numerals:
10-mounting a cylinder; 20-oil baffle; 30-a fan structure; 31-a sleeve; 32-fan blades.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some examples of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The utility model provides a keep off oil cap can be used to rotary compressor for example, can separate the refrigerant gas and the refrigeration oil fluid mixture that rotor water conservancy diversion hole flows out to avoid the refrigeration oil to flow out the compressor. Fig. 1 to 3 show the structure of an oil deflector cap according to some embodiments of the present invention.
As shown in fig. 1 to 3, in some embodiments, the oil deflector cap of the present invention may include a mounting cylinder 10 and an oil deflector 20, wherein the mounting cylinder 10 is a cylinder structure and is used for connecting with one end of a compressor rotor. The oil baffle 20 is a flange plate structure and is arranged on the peripheral wall of the installation cylinder 10 along the circumferential direction, and the oil baffle 20 and the installation cylinder 10 can be connected by adopting a connecting structure, such as a screw connection structure and the like and can be integrally formed. In the embodiment shown in fig. 1, the oil baffle 20 is formed at one axial end of the mounting cylinder 10, the mixed fluid flows along the axial direction of the mounting cylinder 10, after striking the oil baffle 20, the density of the refrigerant oil is higher than the density of the refrigerant gas, so that the refrigerant oil particles adhere to the oil baffle and are separated from the gas, and the adhered refrigerant oil is separated from the oil baffle 20 by the centrifugal force generated when the oil baffle 20 rotates and is retained in the compressor.
The oil blocking cap further comprises a fan structure 30, in some embodiments, the fan structure 30 may include a sleeve 31 and fan blades 32 which are integrally formed, the sleeve 31 is fixedly sleeved on the outer wall of the mounting cylinder 10, and the fan blades 32 are uniformly and fixedly arranged along the outer peripheral wall of the sleeve 31, so that when the mounting cylinder rotates, the fan structure 30 rotates therewith, and when the mounting cylinder rotates, the fan blades 32 generate wind force towards the oil blocking plate 20.
As shown in fig. 1, in some embodiments, the fan blade 32 is a straight blade with a streamlined cross section, and the fan blade 32 is disposed on the outer wall of the sleeve 31 in an inclined manner, and the width direction of the fan blade 32 forms an included angle θ with the axial direction of the mounting cylinder 10, preferably, θ is set to 10-45 °. In the direction shown in fig. 1, the fan structure 30 rotates clockwise along with the installation cylinder 10, so that wind power impacting towards the wall of the oil baffle plate 20 is generated, when the compressor works, mixed fluid flows out through the diversion holes, the fan structure 30 rotates along with the installation cylinder 10, when the fluid passes through the fan structure 30, the fluid is accelerated by the fan structure 30, and the mixed fluid impacts the oil baffle plate 20 with acceleration, so that the oil-gas separation effect is improved.
In some embodiments, the diameter of the fan structure 30 is smaller than the diameter of the oil baffle 20, so as to avoid the fan structure 30 occupying too much flow passage space and increasing the exhaust resistance. Further, the fluid acceleration effect is not obvious for too little quantity of flabellum 32, and too much quantity can influence the fluid flow cross-sectional area and increase the exhaust resistance, and the preferred flabellum quantity is 3 ~ 8.
In some embodiments, the installation cylinder 10 and the oil baffle plate 20 are integrally formed, the fan blade 32 and the sleeve 31 are integrally formed, the inner diameter of the sleeve 31 is matched with the outer diameter of the installation cylinder 10, the sleeve and the installation cylinder are fixedly installed in an interference fit mode, and a fan structure can be additionally arranged on the existing oil baffle cap in an assembling mode, so that the existing oil baffle cap is improved, and the production cost is reduced.
The structure of the oil deflector cap of the present invention has been described in the above embodiments, and on the basis of the above embodiments, the oil deflector cap of the present invention may have other alternative embodiments.
In some alternative embodiments, the difference from the above embodiments is that a plurality of blades 32 are directly fixed on the outer circumferential wall of the mounting cylinder 10, for example, the mounting cylinder 10, the oil baffle plate 20, and the blades 32 are integrally formed to form an oil baffle cap structure, without providing the sleeve 31, which simplifies the structure.
In other alternative embodiments, different from the above embodiments in the structure of the fan blade 32, the fan blade 32 may be any shape suitable for implementation, such as a spiral blade, for example, but the invention is not limited thereto.
Additionally, the utility model provides a rotor subassembly and compressor, rotor subassembly and compressor include foretell oil baffle cap, oil baffle cap accessible for example riveting structure fixed mounting just rotates along with the rotor on the rotor, under the fan structure effect, the mixed fluid builds pressure differential around the fan structure, promote the fluid and strike the oil baffle with higher speed, the refrigeration oil granule that density is great relatively can be with higher speed to separate from the mixed fluid, then keep off under the centrifugal force effect of the high-speed rotation of oil baffle, stay inside the compressor with the liquid form, can effectively reduce the refrigeration oil along with the oil mass that the air current got into refrigerating system, refrigerating system's efficiency is improved.
It should be understood that the above embodiments are only examples for clearly illustrating the present invention, and are not intended to limit the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An oil deflector cap for a compressor, comprising:
a mounting cylinder (10);
the oil baffle plate (20) is fixedly arranged on the periphery of the mounting cylinder (10) along the circumferential direction; and
the fan structure (30) is fixedly arranged on the periphery of the mounting cylinder (10), and wind power towards the direction of the oil baffle plate (20) is provided when the fan structure (30) rotates.
2. The oil deflector cap of claim 1,
the fan structure (30) comprises a plurality of fan blades (32) which extend outwards along the peripheral wall of the mounting cylinder (10).
3. The oil deflector cap of claim 2,
the fan structure (30) further comprises a sleeve (31), the sleeve (31) is fixedly sleeved on the outer wall of the installation cylinder (10), and the fan blades (32) are uniformly and fixedly arranged on the outer wall of the sleeve (31) along the circumferential direction.
4. The oil deflector cap of claim 3,
the diameter of the fan structure (30) is smaller than that of the oil baffle plate (20).
5. The oil deflector cap of any one of claims 2 to 4,
the cross section of the fan blade (32) is streamline, and the fan blade (32) inclines towards the direction which enables gas to flow towards the oil baffle plate (20).
6. The oil deflector cap of claim 5,
the inclined included angle between the fan blade (32) and the axis of the mounting cylinder (10) is 10-45 degrees.
7. The oil deflector cap of claim 5,
the number of the fan blades (32) is 3-8.
8. The oil deflector cap of claim 3,
the oil baffle plate (20) and the mounting cylinder (10) are integrally formed, and the fan blades (32) and the sleeve (31) are integrally formed.
9. A rotor assembly comprising an oil deflector cap as claimed in any one of claims 1 to 8, the oil deflector cap being fixedly mounted at an end of the rotor.
10. A compressor comprising a rotor assembly as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510846.8U CN209818303U (en) | 2019-04-15 | 2019-04-15 | Oil blocking cap, rotor assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510846.8U CN209818303U (en) | 2019-04-15 | 2019-04-15 | Oil blocking cap, rotor assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818303U true CN209818303U (en) | 2019-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920510846.8U Active CN209818303U (en) | 2019-04-15 | 2019-04-15 | Oil blocking cap, rotor assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097817A1 (en) * | 2021-11-30 | 2023-06-08 | 浙江水泵总厂有限公司 | Heat dissipation structure of generator and generator having same |
| US11813729B2 (en) | 2018-05-14 | 2023-11-14 | Black & Decker Inc. | Power tool with partition assembly between transmission and motor |
| US11817757B2 (en) | 2018-05-14 | 2023-11-14 | Black & Decker Inc. | Power tool with partition assembly between transmission and motor |
-
2019
- 2019-04-15 CN CN201920510846.8U patent/CN209818303U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11813729B2 (en) | 2018-05-14 | 2023-11-14 | Black & Decker Inc. | Power tool with partition assembly between transmission and motor |
| US11817757B2 (en) | 2018-05-14 | 2023-11-14 | Black & Decker Inc. | Power tool with partition assembly between transmission and motor |
| WO2023097817A1 (en) * | 2021-11-30 | 2023-06-08 | 浙江水泵总厂有限公司 | Heat dissipation structure of generator and generator having same |
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