CN110645179A - Upper flange assembly and compressor - Google Patents
Upper flange assembly and compressor Download PDFInfo
- Publication number
- CN110645179A CN110645179A CN201910809538.XA CN201910809538A CN110645179A CN 110645179 A CN110645179 A CN 110645179A CN 201910809538 A CN201910809538 A CN 201910809538A CN 110645179 A CN110645179 A CN 110645179A
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- China
- Prior art keywords
- exhaust
- bearing
- upper flange
- channel
- airflow channel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
- F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides an upper flange component, which comprises a bearing and an exhaust clapboard, wherein the exhaust clapboard is fixed at the lower end of the bearing, the exhaust clapboard is provided with an airflow channel, the lower end of the airflow channel is provided with an exhaust hole communicated with the airflow channel, an exhaust valve component used for controlling the opening and closing of the exhaust hole is fixed in the airflow channel, the bearing is provided with a bearing exhaust channel communicated with the airflow channel, one end of the exhaust clapboard, which is far away from the exhaust hole, is also provided with a clapboard exhaust channel communicated with the airflow channel, the upper flange component not only can reduce the oil output of a compressor and avoid the problems of the compressor failure caused by the insufficient oil supply pump amount, but also can avoid the formation of an oil film on the surface of a heat exchanger caused by the entering of refrigeration oil into a system and reduce the adverse effect on the heat exchanger of an air conditioner, affecting air conditioning system performance.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to an upper flange assembly and a compressor.
Background
A compressor (compressor), which is a driven fluid machine that raises low-pressure gas into high-pressure gas, is a heart of a refrigeration system. The high-temperature and high-pressure refrigerant gas is discharged to an exhaust pipe to provide power for a refrigeration cycle after the low-temperature and low-pressure refrigerant gas is sucked from an air suction pipe and is compressed by driving a piston through the operation of a motor; thereby realizing a refrigeration cycle of compression → condensation (heat release) → expansion → evaporation (heat absorption). The compressors are classified into piston compressors, screw compressors, centrifugal compressors, linear compressors, and the like. The terms introduce the working principle, classification, accessories, specifications, operation requirements, production, common faults and environmental protection requirements, model selection principle, installation conditions and development trend of the compressor.
However, in the operation process of the rotary compressor in the prior art, a large amount of lubricating oil is carried by the refrigerant airflow to enter the upper space of the compression mechanism and is discharged out of the compressor along with the refrigerant, so that an oil discharge amount is formed (in the operation process of the closed rotary compressor, a large amount of refrigeration oil is carried by the refrigerant airflow to enter the upper space of the motor, separation occurs in the upper space of the motor, the separated lubricating oil flows back downwards along a gap between the shell and the motor, micro oil drops which are not separated are discharged out of the compressor along with the refrigerant airflow to form the oil discharge amount), an oil film is formed on the surface of the heat exchanger, an adverse effect is generated.
Disclosure of Invention
In view of this, the present invention aims to avoid the disadvantages in the prior art, and provides an upper flange assembly, which can not only reduce the oil output of a compressor and avoid the problems of compressor failure caused by the reduction of the oil output in the compressor and the insufficient oil supply pump output, but also avoid the oil film formed on the surface of a heat exchanger caused by the entry of refrigerant oil into the system, thereby reducing the adverse effects on the heat exchanger of an air conditioner and affecting the performance of the air conditioning system.
The embodiment of the invention provides an upper flange assembly, which comprises a bearing and an exhaust partition plate, wherein the exhaust partition plate is fixed at the lower end of the bearing, an airflow channel is formed in the exhaust partition plate, an exhaust hole communicated with the airflow channel is formed in the lower end of the airflow channel, an exhaust valve assembly used for controlling the opening and closing of the exhaust hole is fixed in the airflow channel, a bearing exhaust channel communicated with the airflow channel is formed in the bearing, and a partition plate exhaust channel communicated with the airflow channel is further formed in one end, far away from the exhaust hole, of the exhaust partition plate.
Further, the bearing exhaust passage and the partition exhaust passage are arranged corresponding to each other.
Furthermore, the airflow channel is provided with a plurality of and any two of the airflow channels which are communicated with each other.
Furthermore, a plurality of partition plate exhaust channels are arranged, and the single partition plate exhaust hole is communicated with the tail end of the airflow channel.
Furthermore, the bearing exhaust passage is provided with a plurality of exhaust passages, and the single bearing exhaust passage corresponds to the airflow passage and the partition plate exhaust hole.
Further, the air flow channel is inclined towards the axis of the exhaust baffle plate.
Furthermore, the exhaust valve assembly comprises a sealing element and a limiting element, the sealing element is located on the exhaust hole, and the sealing element is fixed on the inner wall of the airflow channel through the limiting element.
Furthermore, a bearing screw hole is formed in one end, far away from the bearing exhaust channel, of the bearing, and an exhaust partition plate screw hole communicated with the bearing screw hole is formed in the exhaust partition plate.
Furthermore, the bearing screw hole is matched with the exhaust baffle plate screw hole in size.
The embodiment of the invention also provides a compressor, which comprises a shell component, a motor, a crank, a cylinder component, a lower flange and an upper flange component, wherein the motor is positioned in the shell component and is fixedly connected with the side wall of the shell component, the crank is sleeved in the motor and is sequentially and fixedly connected with the upper flange component, the cylinder component and the upper flange, and the cylinder component is fixed between the upper flange component and the lower flange.
Compared with the prior art, the invention has the following beneficial effects: due to the arrangement of the bearing and the exhaust partition plate, when the compressor works, the high-pressure cavity reaches the exhaust pressure, the exhaust valve assembly is extruded and opened by the pressure, so that the oil-gas mixture is exhausted through the exhaust hole and then is exhausted to the upper cavity of the compression mechanism from the bearing exhaust channel through the flow channel. Meanwhile, when the oil-gas mixture flows through the gas flow channel, the oil-gas mixture collides with the lower plane of the bearing, so that the refrigeration oil in the oil-gas mixture is adhered to the lower plane of the bearing, gas is discharged to the upper cavity of the compression mechanism along the bearing exhaust channel, and the refrigeration oil adhered to the lower plane of the bearing is influenced by gravity, falls back to the gas flow channel and flows back to the compression mechanism along the bearing exhaust channel for lubrication or flows back to the oil pool, so that the oil-gas separation effect is realized. Not only can reduce the oil mass of spouting of compressor, avoid appearing the compressor oil mass decline, the not enough problem that leads to the compressor trouble of fuel feeding pump volume, can also avoid the refrigeration oil to get into the system simultaneously and lead to the heat exchanger surface to form the oil film, reduce the harmful effects to the heat exchanger production of air conditioner, influence air conditioning system performance.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
FIG. 1 is a top view of an upper flange assembly of the present invention.
Fig. 2 is a sectional view taken in the direction of a-a in fig. 1.
Fig. 3 is a sectional view taken in the direction B-B in fig. 2.
FIG. 4 is a top view of an exhaust baffle in an upper flange assembly of the present invention.
Fig. 5 is a schematic view showing the overall structure of a compressor according to the present invention.
Fig. 6 is a schematic structural view of the second embodiment.
The figure includes: the exhaust valve comprises a bearing 1, an exhaust partition plate 2, an air flow channel 3, an exhaust hole 4, an exhaust valve assembly 5, a sealing element 51, a limiting piece 52, a limiting baffle 521, a limiting bolt 522, a bearing exhaust channel 6, a partition plate exhaust channel 7, a bearing screw hole 8, an exhaust partition plate screw hole 9, a shell assembly 11, a motor 12, a crank 13, a lower flange 14, a cylinder assembly 15, a welding point 16 and a small hole 17.
Detailed Description
The invention is further described with reference to the following examples.
The first embodiment is as follows:
as shown in fig. 1-3, an upper flange assembly comprises a bearing 1 and an exhaust partition plate 2, the exhaust partition plate 2 is bolted to the lower end of the bearing 1, an air flow channel 3 is provided on the exhaust partition plate 2, an exhaust hole 4 communicated with the air flow channel 3 is provided at the lower end of the air flow channel 3, an exhaust valve assembly 5 for controlling the opening and closing of the exhaust hole 4 is fixed in the air flow channel 3, a bearing exhaust channel 6 communicated with the air flow channel 3 is provided on the bearing 1, and a partition plate exhaust channel 7 communicated with the air flow channel 3 is further provided at one end of the exhaust partition plate 2 away from the exhaust hole 4. When the compressor works, after the high-pressure cavity reaches the exhaust pressure, the exhaust valve assembly 5 is extruded by the pressure to be opened, so that the oil-gas mixture is exhausted through the exhaust hole 4 and then is exhausted from the bearing exhaust channel 6 to the upper cavity of the compression mechanism through the air flow channel 3. Meanwhile, when the oil-gas mixture flows through the gas flow channel 3, the oil-gas mixture collides with the lower plane of the bearing 1, so that the refrigeration oil in the oil-gas mixture is adhered to the lower plane of the bearing 1, gas is discharged to the upper cavity of the compression mechanism along the bearing exhaust channel 6, and the refrigeration oil adhered to the lower plane of the bearing 1 is influenced by gravity, falls back to the gas flow channel and flows back to the compression mechanism along the bearing exhaust channel 6 for lubrication or flows back to an oil pool, so that the oil-gas separation effect is achieved. Not only can reduce the oil mass of spouting of compressor (closed rotary compressor is at the operation in-process, a large amount of refrigeration oil is carried by the refrigerant air current and gets into motor upper portion space, take place the separation in motor upper portion space, separated lubricating oil flows back downwards along the clearance between casing and the motor, unseparated tiny oil drips, compressor along with refrigerant air current discharge, form the oil mass of spouting), the oil mass descends in the compressor of avoiding appearing, the not enough problem that leads to the compressor trouble of fuel feeding pump volume, can also avoid the refrigeration oil to get into the system simultaneously and lead to heat exchanger surface formation oil film, reduce the harmful effects to the heat exchanger production of air conditioner, influence air conditioning system performance.
As shown in fig. 2-3, in the preferred embodiment, the bearing exhaust passage 6 and the partition exhaust passage 7 are disposed corresponding to each other, so that the refrigerant oil can directly flow back to the compression mechanism along the bearing exhaust passage 6 for lubrication or to the oil pool, and the practicability is high.
As shown in fig. 4, in the preferred embodiment, three and any two air flow channels 3 are provided in the air flow channel 3, and further, three partition plate air discharge channels 7 are provided, and a single partition plate air discharge hole 4 is communicated with the end of the air flow channel 4, so that the length of the air flow channel 3 can be extended, the path through which the oil-gas mixture flows in the transfer process is longer, and the contact time with the lower surface of the bearing 1 is longer, thereby ensuring that more refrigeration oil in the oil-gas mixture is retained in the air flow channel 3 and is not transferred out of the compressor along with the oil-gas mixture.
In the preferred embodiment, three bearing exhaust passages 6 are provided (not shown), and a single bearing exhaust passage 6 corresponds to the gas flow passage 3 and the separator exhaust holes 4, thereby improving the efficiency of gas exhaust.
As shown in fig. 3, in a preferred embodiment, the exhaust valve assembly 5 includes a sealing element 51 and a limiting element 52, the sealing element 51 is located on the exhaust hole 4, the sealing element 51 is fixed on the inner wall of the airflow channel 3 through the limiting element 52, further, the sealing element 51 is a steel sheet, the limiting element 52 includes a limiting bolt 522 and a limiting baffle 521, a certain gap is provided between the end of the limiting baffle 521 and the airflow channel 3, the limiting baffle 521 is fixed on the upper end of the steel sheet through the limiting bolt 522 and is used for limiting the ascending degree of the steel sheet, not only can the sealing element 51 be fixed on the upper end of the exhaust hole 4 through the limiting element 52 to ensure the sealing performance of the compressor, but also the steel sheet can ascend with the pushing of the pressure after the high-pressure chamber reaches the exhaust pressure, so that the gas can be exhausted out along the exhaust, greatly improves the exhaust effect and has good effect.
As shown in fig. 1, in a preferred embodiment, a bearing screw hole 8 is formed in one end of the bearing 1, which is far away from the bearing exhaust passage 6, and an exhaust partition plate screw hole 9 communicated with the bearing screw hole 8 is formed in the exhaust partition plate 2, further, the bearing screw hole 8 is matched with the exhaust partition plate screw hole 9 in size, so that a screw can penetrate through the bearing screw hole 8 and the exhaust partition plate screw hole 9 through the threaded fit of the bearing screw hole 8 and the exhaust partition plate screw hole 9, and the exhaust partition plate 2 is effectively and stably fixed to the lower end of the bearing 1.
As shown in fig. 5, another aspect of the embodiment of the present invention is a compressor, which includes a housing assembly 11, a motor 12, a crank 13, a cylinder assembly 15, a lower flange 14 and an upper flange assembly, further, the motor 12 includes a rotor and a stator, the stator is fixed on the housing assembly 11 by interference fit, the motor 12 is located in the housing assembly 11 and is fixedly connected with a sidewall of the housing assembly 11, the crank 13 is sleeved in the motor 12 and is fixedly connected with the upper flange assembly, the cylinder assembly 15 and the upper flange in turn, the cylinder assembly 15 is fixed between the upper flange assembly and the lower flange 14, the upper flange assembly is welded to the sidewall of the housing assembly 11 by a bearing 1 and forms a welding point 16 on the assembly, because can receive radial force when bearing 1 and casing welding, because of present bearing 1 intensity is enough, be difficult for causing the rotor skew, avoided the clearance sound that rotor and stator clearance inequality lead to. Simultaneously, exhaust baffle 2 is located between cylinder assembly 15 and the bearing 1 for bearing 1 contacts with 1 plane of exhaust baffle, no longer has sliding friction with 1 plane of bearing, has avoided because of 1 welding of bearing leads to the plane to warp the planar wearing and tearing of bearing 1 that cause behind the aggravation, and exhaust baffle 1 only rivets the atress simultaneously, warp relatively lessly, strengthens compressor reliability, reduce power.
Example two:
as shown in fig. 6, the present embodiment is different from the first embodiment in that: the airflow channel 3 inclines towards the axial lead of the exhaust partition plate 3, and a small hole 17 is arranged at the position far away from the bearing exhaust channel 6 and the partition plate exhaust channel 7, and the small hole 17 is communicated with the airflow channel.
Advantageously, the wall of the air flow channel 3 can be inclined, so that the refrigerant oil can flow along the air flow channel 3 from the air vent 4 and the small hole into the oil pool.
The invention has the following beneficial effects: due to the arrangement of the bearing and the exhaust partition plate, when the compressor works, the high-pressure cavity reaches the exhaust pressure, the exhaust valve assembly is extruded and opened by the pressure, so that the oil-gas mixture is exhausted through the exhaust hole and then is exhausted to the upper cavity of the compression mechanism from the bearing exhaust channel through the flow channel. Meanwhile, when the oil-gas mixture flows through the gas flow channel, the oil-gas mixture collides with the lower plane of the bearing, so that the refrigeration oil in the oil-gas mixture is adhered to the lower plane of the bearing, gas is discharged to the upper cavity of the compression mechanism along the bearing exhaust channel, and the refrigeration oil adhered to the lower plane of the bearing is influenced by gravity, falls back to the gas flow channel and flows back to the compression mechanism along the bearing exhaust channel for lubrication or flows back to the oil pool, so that the oil-gas separation effect is realized. Not only can reduce the oil mass of spouting of compressor, avoid appearing the compressor oil mass decline, the not enough problem that leads to the compressor trouble of fuel feeding pump volume, can also avoid the refrigeration oil to get into the system simultaneously and lead to the heat exchanger surface to form the oil film, reduce the harmful effects to the heat exchanger production of air conditioner, influence air conditioning system performance.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. An upper flange assembly, comprising: the exhaust baffle is fixed at the lower end of the bearing, an airflow channel is formed in the exhaust baffle, an exhaust hole communicated with the airflow channel is formed in the lower end of the airflow channel, an exhaust valve assembly used for controlling the opening and closing of the exhaust hole is fixed in the airflow channel, a bearing exhaust channel communicated with the airflow channel is formed in the bearing, and a baffle exhaust channel communicated with the airflow channel is further formed in one end of the exhaust hole and is far away from the exhaust baffle.
2. An upper flange assembly according to claim 1, wherein: the bearing exhaust passage and the clapboard exhaust passage are arranged correspondingly.
3. An upper flange assembly according to claim 1, wherein: the air flow channel is provided with a plurality of air flow channels, and the air flow channels are communicated with one another.
4. An upper flange assembly according to claim 1, wherein: the baffle exhaust passage is provided with a plurality of, and single baffle exhaust hole is linked together with the end of airflow passage.
5. An upper flange assembly according to claim 1, wherein: the bearing exhaust passage is provided with a plurality of exhaust passages, and the single bearing exhaust passage corresponds to the airflow passage and the partition plate exhaust hole.
6. An upper flange assembly according to claim 1, wherein: the airflow channel is inclined towards the axis of the exhaust baffle plate.
7. An upper flange assembly according to claim 1, wherein: the exhaust valve assembly comprises a sealing element and a limiting element, the sealing element is located on the exhaust hole, and the sealing element is fixed on the inner wall of the airflow channel through the limiting element.
8. An upper flange assembly according to claim 1, wherein: bearing screw holes are formed in one end, far away from the bearing exhaust channel, of the bearing, and exhaust partition plate screw holes communicated with the bearing screw holes are formed in the exhaust partition plate.
9. An upper flange assembly according to claim 8, wherein: the bearing screw hole is matched with the exhaust baffle plate screw hole in size.
10. A compressor, which is characterized by comprising a shell component, a motor, a crank, a cylinder component, a lower flange and the upper flange component of any one of claim 1 ~ 9, wherein the motor is positioned in the shell component and is fixedly connected with the side wall of the shell component, the crank is sleeved in the motor and is sequentially and fixedly connected with the upper flange component, the cylinder component and the upper flange, and the cylinder component is fixed between the upper flange component and the lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809538.XA CN110645179A (en) | 2019-08-29 | 2019-08-29 | Upper flange assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809538.XA CN110645179A (en) | 2019-08-29 | 2019-08-29 | Upper flange assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645179A true CN110645179A (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910809538.XA Pending CN110645179A (en) | 2019-08-29 | 2019-08-29 | Upper flange assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645179A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253462A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| WO2022082958A1 (en) * | 2020-10-21 | 2022-04-28 | 安徽美芝精密制造有限公司 | Compressor and refrigeration apparatus |
-
2019
- 2019-08-29 CN CN201910809538.XA patent/CN110645179A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022082958A1 (en) * | 2020-10-21 | 2022-04-28 | 安徽美芝精密制造有限公司 | Compressor and refrigeration apparatus |
| CN112253462A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
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