CN218479924U - Compressor rotor subassembly and compressor - Google Patents

Compressor rotor subassembly and compressor Download PDF

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Publication number
CN218479924U
CN218479924U CN202223015587.2U CN202223015587U CN218479924U CN 218479924 U CN218479924 U CN 218479924U CN 202223015587 U CN202223015587 U CN 202223015587U CN 218479924 U CN218479924 U CN 218479924U
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China
Prior art keywords
rotor
compressor
plate body
fan
fan blade
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CN202223015587.2U
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叶建聪
邱忠本
蔡亚平
戴一郎
罗罡
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TCL Rechi Huizhou Refrigeration Equipment Co Ltd
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TCL Rechi Huizhou Refrigeration Equipment Co Ltd
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Abstract

The utility model discloses a compressor rotor component, which comprises a rotor and an upper sealing plate arranged at the top of the rotor, wherein the upper sealing plate comprises a plate body and a plurality of fan blades, the plate body is fixedly connected with the rotor, the plate body is provided with a plurality of rotor circulation holes, one side of each fan blade is fixed on one surface of the plate body, which is far away from the rotor, and an included angle is formed between the one side of each fan blade and the plate body; the fan blade is arranged on a rotating path of the rotor circulation hole when the rotor rotates, so that the refrigerating machine oil is kept in the compressor as much as possible, and the refrigerating machine oil is prevented from entering the condenser and the evaporator to influence refrigeration; just the utility model discloses simple structure, the production of being convenient for is used.

Description

Compressor rotor subassembly and compressor
Technical Field
The utility model relates to a compressor technical field especially relates to a compressor rotor subassembly and compressor.
Background
The rotating shaft of the vertical rotary compressor is driven by a motor, and the eccentric part drives the ring to compress refrigerant gas, so that high-temperature and high-pressure refrigerant is mixed with gas and liquid of refrigerator oil, and the refrigerant is discharged from an outlet pipe of the compressor and enters a condenser and an evaporator, so that oil blockage is seriously caused, and the phenomena of poor refrigeration, high noise and the like are caused. When the refrigerating machine oil in the compressor continuously flows out of the compressor along with the gas-liquid mixture of the refrigerant and the refrigerating machine oil, the problem of lack of the refrigerating machine oil inside the compressor can occur.
Also have among the prior art to reduce the technical scheme that refrigerating machine oil flows from the compressor through setting up the shrouding, for example china utility model patent CN202210631214.3 is through setting up oil collection seat and oil baffle on the terminal surface of rotor, the outside at oil baffle is established to the oil collection seat cover, make the clearance between oil collection seat and the oil baffle flow and divide oil, this technical scheme has realized oil-gas separation to a certain extent although, should go up the shrouding relatively more complicated on the one hand, on the other hand, should go up the shrouding and can occupy the inside space of compressor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compressor rotor subassembly uses simple and easy structure, has solved prior art compressor refrigerating machine oil along with the refrigerant with outside the gas-liquid mixture outflow compressor of refrigerating machine oil, the compressor is inside will appear lacking the refrigerating machine oil problem, and production is convenient, plays the technological effect of cost reduction increase.
In order to solve the technical problem, the technical scheme of the utility model is that: a compressor rotor assembly comprises a rotor and an upper sealing plate arranged at the top of the rotor;
the upper sealing plate comprises a plate body and a plurality of fan blades, the plate body is fixedly connected with the rotor, and the plate body is provided with a plurality of rotor circulation holes;
one side of the fan blade is fixed on one surface of the plate body, which is far away from the rotor, and forms an included angle with the plate body; the fan blades are arranged on a rotating path of the rotor circulation hole when the rotor rotates.
Optionally, the fan blade and the plate body are of an integrally formed structure.
Optionally, the end of the fan blade faces the air outlet direction of the rotor flow hole.
Optionally, the fan blades include at least two fan blades, and the fan blades are arranged along a rotation path of the rotor flow hole when the rotor rotates.
Optionally, the fan blades are arranged to be intrados in a rotation direction of the rotor when the rotor rotates toward the rotor circulation hole.
Optionally, the assembly further includes a weight block, and the weight block is disposed on the plate body of the upper sealing plate and located on the same side as the fan blades.
Optionally, the height of the fan blade in the axial direction of the rotor is less than or equal to the height of the counterweight in the axial direction of the rotor.
Optionally, the fan blade is in the shape of a fan blade.
Optionally, the rotor flow hole includes a die opening hole 31, and the fan blade is disposed at one side of the die opening hole 31.
The utility model also provides a compressor, the compressor includes foretell compressor rotor subassembly.
The utility model discloses the beneficial effect who realizes: the utility model discloses a set up the shrouding in one end of rotor, utilize the rotation of rotor self to drive the fan piece and rotate, the rotation of fan piece makes fluid rotary motion produce the centrifugal force field in the confined space and strengthens the sedimentation separation, under the centrifugal force effect, the inside muddy gas of compressor takes place centrifugal separation, the liquid separation that density is big flows downwards to the wall, the gaseous state refrigerant that density is little overflows along the axial and discharges, thereby make refrigerator oil stay in the compressor as far as possible, reduce refrigerator oil and influence refrigeration in getting into condenser and the evaporimeter; the utility model discloses simple structure, the production of being convenient for is used.
Drawings
Fig. 1 is a perspective view of an upper and lower sealing plate of the present invention;
fig. 2 is a top view of the upper and lower sealing plates of the present invention;
fig. 3 is a schematic structural diagram of a compressor rotor assembly according to the present invention;
fig. 4 is an assembled perspective view of the upper and lower sealing plates and the weight block of the present invention;
fig. 5 is an assembled top view of the upper sealing plate and the counterweight block of the present invention;
fig. 6 is a schematic structural diagram of the middle compressor of the present invention.
Names of the corresponding components or flow names represented by numerals or letters in the drawings: 1. a rotor; 11. a rotor outer ring; 12. a rotor inner ring; 2. an upper sealing plate; 21. a plate body; 22. a fan blade; 3. a rotor flow aperture; 31. a die opening hole 32, an inner ring hole; 4. and a balancing weight.
In fig. 3, the direction of the arrow is the direction of the air-fuel mixture outlet.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the patent.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
the rotating shaft of the vertical rotary compressor is driven by a motor, and the eccentric part drives the ring to compress refrigerant gas, so that high-temperature and high-pressure refrigerant is mixed with gas and liquid of refrigerator oil, and the refrigerant is discharged from an outlet pipe of the compressor and enters a condenser and an evaporator, so that oil blockage is seriously caused, and the phenomena of poor refrigeration, high noise and the like are caused. When the refrigerating machine oil in the compressor continuously flows out of the compressor along with the gas-liquid mixture of the refrigerant and the refrigerating machine oil, the problem of lack of the refrigerating machine oil can occur inside the compressor.
As shown in fig. 1 and 3, the compressor rotor assembly provided in this embodiment includes a rotor 1 and an upper sealing plate 2 disposed at the top of the rotor, where the upper sealing plate 2 includes a plate body 21 and a plurality of fan blades 22, the plate body 21 is fixedly connected to the rotor 1, the plate body 21 is provided with a plurality of rotor circulation holes 3, and one side of each fan blade 22 is fixed to a surface of the plate body away from the rotor and forms an included angle with the plate body 21; the fan blades 22 are provided on the rotation path of the rotor circulation hole 3 when the rotor rotates. The rotating shaft of the vertical rotary compressor is driven by a motor, and the eccentric part drives a ring to compress refrigerant gas to generate gas-liquid mixture of high-temperature and high-pressure refrigerant and refrigerating machine oil, and the gas-liquid mixture of the high-temperature and high-pressure refrigerant and the refrigerating machine oil is discharged from the rotor 1 through the rotor circulation hole 3, and one side of the fan blade 22 is fixed on one surface of the plate body, which is far away from the rotor, and forms an included angle with the plate body; the fan 22 is disposed on the rotation path of the rotor circulation hole 3 when the rotor rotates, so in this embodiment, the rotor 1 drives the plate body 21 and the fan 22 to rotate synchronously, in the process that the fan 22 rotates at a high speed along with the rotor 1, the fan 22 blocks the refrigerating machine oil in the oil-gas mixture through the rotation of the fan 22, the fan 22 blocks the refrigerating machine oil in the oil-gas mixture into the compressor, and the gas continues to be discharged out of the compressor, thereby achieving the technical effect of oil-gas separation.
In the description of the present embodiment, the included angle formed between the fan 22 and the plate 21 may be a right angle or an acute angle.
In the description of the embodiment, the fan blade 22 may be fixed on the plate body 21 by a fixing member, or may be directly fixed on the plate body 21 by suction, adhesion, or the like. It should be noted that the fixed connection between the plate 21 and the sectors 22 must be stable and reliable, and must not be broken with the indicated rotation of the rotor 1.
In the description of the embodiment, the fan blade 22 and the plate body 21 may be formed integrally or may be formed separately. The same technical effects can be achieved no matter the fan blade 22 and the plate body 21 are of a split structure or an integrally formed structure. When the fan blades 22 and the plate body 21 are integrally formed, the step of fixing and mounting the fan blades 22 and the rotor 1 can be omitted in the production of the compressor rotor assembly provided by the embodiment, and the production efficiency can be improved by reducing the production cost better in practical production application.
Example 2:
in the description of the present embodiment, as shown in fig. 4, the counterweight 4 is fixed on the surface of the plate body 21 away from the rotor 1, the height of the fan blade 22 in the axial direction of the rotor is less than or equal to the height of the counterweight in the axial direction of the rotor, in practical production application, in order to ensure the rotating stability of the rotor 1, the counterweight 4 is indispensable, the counterweight 4 is fixed on the surface of the plate body 21 away from the rotor 1, so as to save space as much as possible, and in practical production application, the counterweight 4 is also usually fixed on the surface of the plate body 21 away from the rotor 1. It should be noted that the height of the fan blade 22 in the radial direction of the rotor shaft is less than or equal to the height of the counterweight block 4 in the radial direction of the rotor shaft, and when the upper sealing plate 2 realizes oil-gas separation through the fan blade 22, the height of the rotor assembly is still the height after the counterweight block 4 is added, so that the increase is not needed, more space is not occupied, and the effect of saving space is achieved.
In the description of the present embodiment, the number of the fan blades 22 may be two or more, and the fan blades 22 are arranged along the rotation path of the rotor circulation hole 3 when the rotor 1 rotates.
In this embodiment, the plate body 21 plays a role of driving the fan blade 22 to rotate, and the shape of the plate body 21 may be any shape, which is not specifically limited herein; the fan 22 in this embodiment mainly functions to centrifugally separate the oil-gas mixture discharged from the rotor 1 by the rotation of the fan 22, specifically, when the oil-gas mixture passes through the fan 22 rotating at a high speed, the fan 22 fans the refrigerant oil in the oil-gas mixture to one side, so as to achieve oil-gas separation, so in this embodiment, the fan 22 may be in a shape of a fan blade, or a streamline shape, or a square or triangle, etc., where the shape of the fan 22 is not specifically limited, and when the shape of the fan 22 can pass through the fan 22 rotating at a high speed in practical application, the fan 22 fans the refrigerant oil in the oil-gas mixture to one side, thereby achieving the technical effect of oil-gas separation.
Specifically, the fan blade 22 may be configured as an inner arc surface in the rotation direction of the rotor toward the rotor circulation hole 3, and may rotate more smoothly like a fan.
Example 3:
the rotating shaft of the vertical rotary compressor is driven by the motor, and the eccentric portion drives the ring to compress the refrigerant gas, so as to generate the gas-liquid mixture of the high-temperature and high-pressure refrigerant and the refrigerating machine oil, and the gas-liquid mixture of the high-temperature and high-pressure refrigerant and the refrigerating machine oil is discharged from the rotor 1.
In the description of the present embodiment, the oil-gas mixture of the refrigerant with high temperature and high pressure and the refrigerating machine oil is discharged from the rotor circulation holes 3 of the plate body 21, and the size and the number of the circulation holes 3 may be adjusted according to actual situations, which is not limited herein.
Specifically, go up shrouding 2 and include fan piece 22 and plate body 21, when fan piece 22 and plate body 21 are integrated into one piece structure, rotor circulation hole 3 is including opening die hole 31, and fan piece 22 is located one side of opening die hole 31, goes up shrouding 2 in process of production, and the producer cuts the region that forms die hole 31 and buckles, and the part of buckling forms fan piece 22, in this embodiment to plate body 21 and fan piece 22's production, improvement production efficiency and reduction in production cost that can to a great extent.
In the description of this embodiment, the plate body 21 and the fan blades 22 are made of a metal material with high hardness, which may be a stainless steel sheet metal material, an aluminum alloy material, or other metal materials with high hardness and oxidation resistance, wherein the common characteristics of the stainless steel material and the aluminum alloy material are oxidation resistance and high hardness, the oxidation resistance characteristics are beneficial to increase the service life, and the high hardness is beneficial to preventing the deformation and causing the oil-gas separation failure in the process that the rotor 1 drives the plate body 21 and the fan blades 22 to rotate at high speed.
In the description of this embodiment, the rotor 1 includes a rotor outer ring 11 and a rotor inner ring 12, an inner ring hole 32 is formed on the plate body 21, one end of the rotor inner ring 12 is fixedly connected to the inner ring hole 32, one end of the rotor outer ring 11 is fixedly connected to an outer diameter of the plate body 21, an exhaust passage is formed between the rotor inner ring 12 and the rotor outer ring 11, a rotating shaft of the vertical rotary compressor is driven by a motor, and drives a ring by an eccentric portion to compress refrigerant gas, thereby generating gas-liquid mixture of high-temperature and high-pressure refrigerant and refrigerating machine oil, and as the gas-oil mixture of the high-temperature and high-pressure refrigerant and refrigerating machine oil passes through the exhaust passage, the mixture is then discharged from the position of the upper sealing plate 2, and one end of the exhaust passage is communicated with the compressor cylinder. Thereby realized that the oil-gas mixture that the compressor cylinder body produced discharges outside the compressor behind last shrouding 2, avoided the waste of refrigerator oil, increased the life of compressor.
Example 4:
the embodiment provides a compressor, and this compressor is for can be the vertical type compressor, and the concrete model of compressor is not limited. As shown in fig. 6, the compressor described in this embodiment includes a compressor rotor assembly, the compressor rotor assembly includes a rotor 1, a counterweight 4 is provided on the rotor 1, an upper sealing plate 2 is provided at one end of the rotor 1, the upper sealing plate 2 includes a fan blade 22 and a plate body 21, one surface of the plate body 21 is fixedly connected to the rotor 1, and the fan blade 22 is fixed on one surface of the plate body 21 away from the rotor 1. The rotating shaft of the vertical rotary compressor is driven by a motor, refrigerant gas is compressed by an eccentric part driving ring, gas-liquid mixture of high-temperature and high-pressure refrigerant and refrigerating machine oil is generated, the refrigerant and the refrigerating machine oil are discharged from the rotor 1 along with the oil-gas mixture of the high-temperature and high-pressure refrigerant and the refrigerating machine oil, because the fan sheet 22 is fixed on the plate body 21 and the plate body 21 is fixed at one end of the rotor 1, in the embodiment, the rotor 1 drives the plate body 21 and the fan sheet 22 to synchronously rotate, in the process that the fan sheet 22 rotates at high speed along with the rotor 1, the refrigerating machine oil in the oil-gas mixture can be blocked by the fan sheet 22 through the rotation of the fan sheet 22, the fan sheet 22 blocks the refrigerating machine oil in the oil-gas mixture into the compressor by utilizing the centrifugal force generated by the fan sheet 22, and the gas is continuously discharged out of the compressor, thereby realizing the technical effect of oil-gas separation.
In the description of the present embodiment, the counterweight 4 is fixed on the surface of the plate body 21 away from the rotor 1, and the height of the fan blade 22 in the radial direction of the rotor shaft is less than or equal to the height of the counterweight 4 in the radial direction of the rotor shaft. In actual production application, for guaranteeing rotor 1 pivoted stationarity, balancing weight 4 is indispensable, fixes balancing weight 4 and can be as far as possible save space on the one side of rotor 1 is kept away from to plate body 21, and in actual production application, balancing weight 4 also fixes on the one side of plate body 21 from rotor 1 usually. It should be noted that the height of the fan blade 22 in the radial direction of the rotor shaft is less than or equal to the height of the counterweight block 4 in the radial direction of the rotor shaft, and the upper sealing plate 2 does not occupy more space while achieving oil-gas separation through the fan blade 22, thereby achieving the effect of saving space.
In the description of the embodiment, the fan 22 may be vertically fixed on the plate body 21, or may form an included angle with the plate body 21. The fan 22 may be fixed to the plate 21 by a fixing member, or may be fixed to the plate 21 by suction, adhesion, or the like. The plate body 21 may be a perfect circle or an ellipse, or another shape, in this embodiment, the plate body 21 plays a role of driving the fan blade 22 to rotate, and the shape of the plate body 21 may be any shape, which is not specifically limited herein; the fan 22 in this embodiment mainly functions to centrifugally separate the oil-gas mixture discharged from the rotor 1 by the rotation of the fan 22, specifically, when the oil-gas mixture passes through the fan 22 rotating at a high speed, the fan 22 fans the refrigerant oil in the oil-gas mixture to one side, so as to achieve oil-gas separation, so in this embodiment, the fan 22 may be in a shape of a fan blade, or a streamline shape, or a square or triangle, etc., where the shape of the fan 22 is not specifically limited, and when the shape of the fan 22 can pass through the fan 22 rotating at a high speed in practical application, the fan 22 fans the refrigerant oil in the oil-gas mixture to one side, thereby achieving the technical effect of oil-gas separation. The fan blade 22 and the plate body 21 may be an integrally formed structure, or may be a split structure. When the fan blades 22 and the plate body 21 are integrally formed, the step of fixedly mounting the fan blades 22 and the rotor 1 can be omitted in the production of the compressor rotor assembly provided by the embodiment, so that the production cost can be reduced better in practical production application, and the production efficiency can be improved.
In the description of this embodiment, the plate body 21 and the fan blade 22 are both made of metal with high hardness, and may be made of stainless steel sheet metal, or may be made of aluminum alloy, and the common characteristics of the stainless steel material and the aluminum alloy material are oxidation resistance and have high hardness, and the oxidation resistance characteristics are beneficial to increase of the service life, and the high hardness thereof is beneficial to the difficulty of deformation in the process of the rotor 1 driving the plate body 21 and the fan blade 22 to rotate at high speed, which leads to oil-gas separation failure.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a compressor rotor subassembly, includes the rotor and establishes the last shrouding at rotor top, its characterized in that:
the upper sealing plate comprises a plate body and a plurality of fan blades, the plate body is fixedly connected with the rotor, and the plate body is provided with a plurality of rotor circulation holes;
one side of the fan blade is fixed on one surface of the plate body, which is far away from the rotor, and forms an included angle with the plate body; the fan blades are arranged on a rotating path of the rotor flow hole when the rotor rotates.
2. The compressor rotor assembly of claim 1, wherein: the fan blade and the plate body are of an integrally formed structure.
3. A compressor rotor assembly according to claim 1 or 2, wherein: the tail ends of the fan blades face the air outlet direction of the rotor flow holes.
4. The compressor rotor assembly of claim 3, wherein: the fan blades comprise at least two fan blades, and the fan blades are arranged along the rotating path of the rotor circulating hole when the rotor rotates.
5. The compressor rotor assembly of claim 4, wherein: the fan blades are arranged to be intrados in a rotation direction of the rotor when rotating toward the rotor circulation hole.
6. The compressor rotor assembly of claim 5, wherein: the assembly further comprises a balancing weight, and the balancing weight is arranged on the plate body of the upper sealing plate and located on the same side of the fan blades.
7. The compressor rotor assembly of claim 6, wherein: the height of the fan blade in the axial direction of the rotor is smaller than or equal to the height of the balancing weight in the axial direction of the rotor.
8. The compressor rotor assembly of claim 7, wherein: the fan blade is in the shape of a fan blade.
9. The compressor rotor assembly of claim 8, wherein: the rotor circulation hole comprises a die opening hole 31, and the fan blade is arranged on one side of the die opening hole 31.
10. A compressor, characterized by: comprising a compressor rotor assembly as claimed in any one of claims 1 to 9.
CN202223015587.2U 2022-11-11 2022-11-11 Compressor rotor subassembly and compressor Active CN218479924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223015587.2U CN218479924U (en) 2022-11-11 2022-11-11 Compressor rotor subassembly and compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223015587.2U CN218479924U (en) 2022-11-11 2022-11-11 Compressor rotor subassembly and compressor

Publications (1)

Publication Number Publication Date
CN218479924U true CN218479924U (en) 2023-02-14

Family

ID=85171969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223015587.2U Active CN218479924U (en) 2022-11-11 2022-11-11 Compressor rotor subassembly and compressor

Country Status (1)

Country Link
CN (1) CN218479924U (en)

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