CN215409216U

CN215409216U - Sliding vane lubricating structure, compressor and refrigeration equipment

Info

Publication number: CN215409216U
Application number: CN202121157411.3U
Authority: CN
Inventors: 徐博文; 刘靖; 朱红伟; 魏会军
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai; Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model provides a sliding vane lubricating structure, a compressor and refrigeration equipment, wherein the sliding vane lubricating structure comprises: the oil pump assembly is constructed to pump lubricating oil in the bottom oil pool into the sliding sheet groove along the oil supply channel by means of exhaust driving of a pump body assembly of the compressor. According to the sliding vane lubricating structure, the oil supply channel for supplying oil to the sliding vane groove from the bottom oil pool is arranged in the compressor, the oil supply capacity of the oil supply channel is improved by the oil pump assembly, the high-speed airflow discharged by the pump body assembly is used for providing driving force for the oil pump assembly, the lubricating oil at the bottom of the compressor is pumped into the sliding vane groove formed in the air cylinder of the compression mechanism by the oil pumping mechanism, the lubricating oil supply to the sliding vane is realized, the sliding vane is ensured to be always in a good lubricating state, and the operation stability and reliability of the compressor are improved.

Description

Sliding vane lubricating structure, compressor and refrigeration equipment

Technical Field

The utility model belongs to the technical field of compressors, and particularly relates to a sliding vane lubricating structure and a compressor.

Background

The rotary compressor, the scroll compressor and the like are widely used as an air conditioner compression mechanism because of the advantages of simple structure, small volume, excellent performance, high stability, few reciprocating components and the like, but the interior of the compressor has more friction pairs, and for the rotary compressor, such as a sliding sheet and a sliding sheet groove, a roller, upper and lower flange end covers, a roller and upper and lower flange end covers, a crankshaft and a roller, an upper and lower flange end covers and the like, the friction pairs are easy to generate friction wear and gap leakage between matching end surfaces, and become important factors influencing the performance and reliability of the compressor.

The abrasion between the sliding sheet and the sliding sheet groove and between the sliding sheet and the flange end face is a friction loss form with a high proportion of a rotor compressor, and different from a bearing system, the friction pair between the sliding sheet and the sliding sheet groove and between the sliding sheet and the flange end face has no stable oil supply mode. On one hand, when the oil level of an oil pool in the shell of the compressor is higher than that of the cylinder, the sliding sheet is lubricated in a manner of being immersed in the oil pool; on the other hand, the lubricant oil returned from the liquid separator to the working chamber by the compressor is lubricated. When the oil level in the compressor shell is low and the oil storage capacity of the liquid separator is small, the two lubrication modes can not be reliably lubricated, so that dry friction is generated between the sliding blade and a friction byproduct of the sliding blade, the performance of the pump body is reduced, and meanwhile, the high reliability risk exists.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is that abrasion is caused by insufficient lubrication between the sliding vane and the sliding vane groove, so that the sliding vane lubricating structure, the compressor and the refrigeration equipment are provided.

In order to solve the above problems, the present invention provides a sliding vane lubricating structure, comprising:

the oil pump assembly is constructed to be driven by exhaust airflow of a pump body assembly of the compressor, and the lubricating oil in the bottom oil pool is pumped to the inside of the sliding sheet groove along the oil supply channel.

In some embodiments, the pump assembly includes a drive impeller disposed on a side of the exhaust port of the pump body assembly, the drive impeller configured to be driven for rotation by the flow of air from the exhaust port.

In some embodiments, the oil supply passage includes a first passage and a second passage, the first passage is disposed along an axial direction of the pump body assembly, a first end of the first passage communicates with the bottom sump, a first end of the second passage communicates with the vane groove, and a second end of the first passage communicates with a second end of the second passage.

In some embodiments, the oil pump assembly further comprises an oil suction pipe coaxially connected with the driving impeller, the oil suction pipe is arranged in the first channel, and an end of the oil suction pipe corresponding to the first end of the first channel extends out of the first channel and extends to a position below the liquid level of the bottom oil pool or lower than the lower end surface of the pump body assembly; the end part of the oil suction pipe corresponding to the second end of the first channel is provided with an oil outlet hole, and the oil outlet hole is configured to enable lubricating oil in the oil suction pipe to flow into the second channel.

In some embodiments, an annular oil groove is provided on the pump body assembly corresponding to the oil outlet, the oil outlet is communicated with the second channel through the annular oil groove, and the annular oil groove can ensure that the oil outlet is always communicated with the second channel during the rotation of the oil suction pipe.

In some embodiments, the oil pump assembly further includes an oil guiding sheet disposed in the oil supply channel, the oil guiding sheet is connected to the driving impeller, and the oil guiding sheet is configured to rotate with the driving impeller to pump the lubricating oil in the bottom oil pool into the sliding sheet groove along the oil supply channel.

In some embodiments, when the oil pump assembly includes an oil suction pipe, the oil guide plate is fixedly disposed in the oil suction pipe along an axial direction, and the oil guide plate is configured to be coaxially rotatable with the oil suction pipe.

In some embodiments, the pump body assembly includes a cylinder block, the vane groove is formed in the cylinder block, the second passage is formed in an end surface of the cylinder block away from the bottom oil pool, and a first end of the second passage is communicated to the vane groove.

In some embodiments, the drive impeller comprises an impeller shaft having at least one vane thereon, the at least one vane configured to be blown by the exhaust gas flow of the exhaust port; the vanes are also configured to adsorb lubricating oil in the exhaust outlet stream.

In some embodiments, the impeller shaft is further provided with a stepped thrust surface, and the impeller shaft is rotatably assembled on the pump body assembly through the stepped thrust surface.

The compressor comprises the sliding vane lubricating structure, the pump body assembly comprises a silencing structure, and the exhaust port is arranged on the silencing structure.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

In some embodiments, the exhaust port is provided in a radial direction of the pump body assembly in the sound deadening structure, and the air flow of the exhaust port is blown out in the radial direction of the pump body assembly.

A refrigeration device comprises the sliding vane lubricating structure or the compressor.

The sliding vane lubricating structure, the compressor and the refrigeration equipment provided by the utility model at least have the following beneficial effects:

according to the sliding vane lubricating structure, the oil supply channel for supplying oil to the sliding vane groove from the bottom oil pool is arranged in the compressor, the oil pump assembly is additionally arranged on the oil supply channel, the oil supply capacity of the oil supply channel is improved, the driving force is provided for the oil pump assembly by means of high-speed airflow discharged by the pump body assembly of the compressor, the lubricating oil at the bottom of the compressor is pumped into the sliding vane groove formed in the air cylinder of the compression mechanism by the oil pump mechanism, the lubricating oil is supplied to the sliding vane, the sliding vane is guaranteed to be always in a good lubricating state, and the stability and the reliability of the operation of the compressor are improved.

Drawings

FIG. 1 is a schematic structural diagram of a sliding vane lubrication structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an oil pump assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cylinder block of an embodiment of the utility model;

FIG. 4 is a schematic view of the exhaust port and the driving impeller according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a compressor according to an embodiment of the present invention.

The reference numerals are represented as:

1. sliding blades; 2. a slide groove; 3. an oil supply passage; 4. an oil pump assembly; 5. a bottom oil sump; 6. driving the impeller; 7. an exhaust port; 9. an oil suction pipe; 10. a first channel; 11. a second channel; 12. an oil outlet hole; 13. An oil guide sheet; 14. a cylinder block; 15. a blade; 16. a stepped thrust surface; 17. an annular oil groove; 18. a sound deadening structure; 19. an impeller shaft; 20. an upper flange; 21. a lower flange; 22. and a pump body assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a sliding vane lubrication structure, including: the compressor lubricating oil pump comprises an oil supply channel 3 and an oil pump assembly 4, wherein one end of the oil supply channel 3 is communicated with a bottom oil pool 5 of the compressor, the other end of the oil supply channel is communicated with a sliding sheet groove 2, and the oil pump assembly 4 is driven by exhaust airflow of a pump body assembly 22 of the compressor and pumps lubricating oil in the bottom oil pool 5 into the sliding sheet groove 2 along the oil supply channel 3.

According to the sliding vane lubricating structure provided by the embodiment of the utility model, the oil supply channel 3 for supplying oil to the sliding vane groove 2 from the bottom oil pool 5 is arranged in the compressor, the oil pump assembly 4 is additionally arranged on the basis, the oil supply capacity of the oil supply channel 3 is improved, the oil pump assembly 4 is provided with driving force by virtue of high-speed airflow discharged by the pump body assembly 22 of the compressor, the lubricating oil at the bottom of the compressor is pumped into the sliding vane groove 2 arranged on the cylinder of the compression mechanism by the oil pumping mechanism, the lubricating oil supply to the sliding vane 1 is realized, the sliding vane 1 is ensured to be always in a good lubricating state, and the operation stability and reliability of the compressor are favorably improved.

In some embodiments, the oil pump assembly 4 includes a drive impeller 6, the drive impeller 6 being disposed on a side of the exhaust port 7 of the pump body assembly 22, the drive impeller 6 being configured to be driven for rotation by the flow of air through the exhaust port 7. Preferably, the driving impeller 6 comprises an impeller shaft 19, at least one blade 15 is disposed on the impeller shaft 19, and the at least one blade 15 is configured to face the airflow direction of the exhaust port 7 and can be blown by the exhaust airflow of the exhaust port 7, so that the impeller shaft 19 is driven to rotate by the exhaust airflow.

The gleitbretter lubricating structure of this embodiment, with the help of the motion of the high-speed exhaust air current drive oil pump assembly 4 of pump body subassembly 22, in order to obtain the turning moment of oil pump assembly 4 work, this embodiment adopts drive impeller 6 device, utilizes high-speed air current to blow drive impeller 6 high-speed rotatory to it is rotatory to drive oil pump assembly 4, realizes the pump oil.

The opening positions of the exhaust port 7 of the pump body assembly 22 of the existing compressor are roughly as follows: the embodiment of the utility model aims at a side exhaust compressor, a driving impeller 6 is in a shape close to a centrifugal fan, a plurality of blades 15 are vertically arranged on an impeller shaft 19 along the axial direction, and high-speed airflow is blown onto the blades 15 along the direction vertical to the axial direction to drive the driving impeller 6 to rotate at a high speed. If the driving impeller 6 is in a shape close to that of an axial flow fan for the compressor with upper exhaust, a plurality of blades 15 have a preset angle with the axial direction, and high-speed airflow blows onto the blades 15 along the direction parallel to the axial direction to push the driving impeller 6 to rotate, so that oil pumping is rotated. The opening position of the exhaust port 7 of the compressor only influences the shape of the blade 15, and the oil pumping assembly 4 is driven to pump oil based on the exhaust of the compressor no matter what exhaust form.

In some embodiments, since the high-speed airflow discharged by the pump assembly 22 is a mixture of refrigerant and lubricant, and the high content of lubricant affects the oil-discharging index of the compressor, the lower the oil-discharging amount is, the better the oil-discharging amount is, the blades 15 are also configured to adsorb the lubricant in the airflow discharged by the gas outlet 7, so as to achieve oil-gas separation. When high-speed mist collides to blade 15, have partial lubricating oil can directly be attached to the surface of blade 15, and make the oil content among the mist reduce, realize the separation of partial lubricating oil and refrigerant, reduce the oil mass of spouting of compressor, reduce the lubricated oil mass that gets into the system, improve evaporimeter, condenser heat exchange efficiency.

Meanwhile, after the vanes 15 are attached to a certain extent, the lubricating oil is separated from the vanes 15 by centrifugal force and returns to the bottom oil sump 5 of the compressor. Preferably, measures such as an oleophobic coating can be added on the surface of the blade 15, so that the adhesion force of lubrication is reduced, and the circulation efficiency of the lubricating oil is accelerated.

Further, since the oil pump assembly 4 absorbs a part of the kinetic energy of the high-speed air flow, it also functions to stabilize the flow rate of the exhaust gas.

In some embodiments, the oil supply passage 3 includes a first passage 10 and a second passage 11, the first passage 10 is disposed along an axial direction of the pump body assembly 22, the second passage 11 is disposed along an axial direction perpendicular to the pump body assembly 22, a first end of the first passage 10 communicates with the bottom oil sump 5, a first end of the second passage 11 communicates with the vane groove 2, and a second end of the first passage 10 communicates with a second end of the second passage 11.

In this embodiment, the lubricating oil in the bottom oil pool 5 is delivered to the slide sheet groove 2 by using the oil supply channel 3, the oil supply channel 3 is divided into two sections, the first section is a first channel 10 which sequentially penetrates through the lower flange 21 and the cylinder block 14 along the axial direction of the pump body assembly 22, the first channel 10 is communicated with the bottom oil pool 5 downwards and is communicated with the lower end surface of the lower flange 21 upwards, and the second section is a second channel 11 which is communicated with the first channel 10 and the slide sheet groove 2 along the horizontal direction.

Further, the pump body assembly 22 includes a cylinder block 14, the vane groove 2 is opened on the cylinder block 14, the second passage 11 is opened on an end surface of the cylinder block 14 away from the bottom oil pool 5, and a first end of the second passage 11 is communicated to an end surface of the vane groove 2 away from the bottom oil pool 5. Therefore, the processing difficulty of the second channel 11 is greatly reduced, meanwhile, the second channel 11 is communicated with the sliding sheet groove 2 and is located above the sliding sheet groove in the gravity direction, lubricating oil can just flow into the sliding sheet groove 2 under the action of gravity, and the lubricating effect of the sliding sheet 1 is favorably improved. Preferably, the second channel 11 is communicated to the middle of the sliding vane slot 2 along the radial direction, so that the sliding vane 1 can be uniformly lubricated in the front and back direction along the moving direction.

In some embodiments, the oil pump assembly 4 further includes an oil suction pipe 9, the oil suction pipe 9 is coaxially connected to the driving impeller 6, the oil suction pipe 9 is disposed in the first passage 10, an end of the oil suction pipe 9 corresponding to the first end of the first passage 10 extends out of the first passage 10 and extends to a position below the liquid level of the bottom oil pool 5 or lower than the lower end surface of the pump body assembly 22; the end of the oil suction pipe 9 corresponding to the second end of the first passage 10 is provided with an oil outlet hole 12, and the oil outlet hole 12 is configured to allow the lubricating oil inside the oil suction pipe 9 to flow into the second passage 11.

According to the sliding vane lubricating structure, the oil suction pipe 9 is arranged in the oil supply channel 3, the lower end of the oil suction pipe 9 extends out of the lower flange 21 and directly extends into the bottom oil pool 5, the upper end of the oil suction pipe directly reaches the second channel 11, the oil suction pipe 9 is coaxially connected with the driving impeller 6, the driving impeller 6 rotates to drive the oil suction pipe 9 to rotate, the oil suction pipe 9 can utilize structures such as the internal oil guide sheet 13 and the threaded oil groove to guide oil upwards, and the purpose of pumping oil is achieved. Meanwhile, the oil suction pipe 9 can directly extend into the bottom oil pool 5, so that oil supply to the sliding sheet 1 can be realized at different oil heights, and the sliding sheet 1 is ensured to be in a good lubricating state all the time.

Preferably, the pump body assembly 22 corresponding to the oil outlet 12 is provided with an annular oil groove 17, the oil outlet 12 is communicated with the second channel 11 through the annular oil groove 17, and the annular oil groove 17 can ensure that the oil outlet 12 is always communicated with the second channel 11 in the rotation process of the oil suction pipe 9, so that the oil pump assembly 4 can continuously supply lubricating oil to the lubricating surface in the slide groove.

Preferably, the inner wall of the oil suction pipe 9 is provided with a spiral oil groove, the spiral oil groove is communicated with the oil outlet hole 12, and the oil suction pipe 9 is configured to spirally oil the oil outlet hole 12 through the spiral oil groove during the rotation process, so that an optional oil pumping mode is provided.

In another preferred scheme, the oil guiding sheet 13 is fixedly arranged in the oil suction pipe 9 along the axial direction, and the oil guiding sheet 13 is configured to be capable of coaxially rotating with the oil suction pipe 9. The oil guide plate 13 can greatly improve the oil pumping capacity of the oil pump assembly 4 by virtue of the special spiral structure thereof in the process of rotating along with the oil suction pipe 9.

In some embodiments, the oil pump assembly 4 further includes an oil guiding sheet 13, the oil guiding sheet 13 is disposed in the oil supply channel 3, the oil guiding sheet 13 is in power connection with the driving impeller 6, and the oil guiding sheet 13 is configured to rotate with the driving impeller 6 to pump the lubricating oil in the bottom oil pool 5 into the vane groove 2 along the oil supply channel 3.

In this embodiment, an oil guide plate 13 is disposed in the oil supply channel 3, the upper end of the oil guide plate 13 is in power connection with the driving impeller 6, and the oil guide plate 13 can rotate in the oil supply channel 3 along with the driving impeller 6, so as to pump the lubricating oil to the second channel 11, and further convey the lubricating oil to the friction part in the sliding plate groove 2 for lubrication.

In some embodiments, in order to axially limit the oil pump assembly 4 mainly composed of the driving impeller 6 and the oil suction pipe 9, the impeller shaft 19 is further provided with a stepped thrust surface 16, and the impeller shaft 19 is rotatably assembled on the pump body assembly 22 through the stepped thrust surface 16. Preferably, the rotation plane may be provided with a bearing, which may be a sliding bearing, a rolling bearing, or the like, to improve the rotation performance of the oil pump assembly 4. The design of the step thrust surface 16 can also improve the rotation stability of the oil pump assembly 4 and improve the oil pumping performance of the oil pump assembly 4.

Preferably, in the side-exhaust compressor, the oil pump assembly 4 may receive a radial force perpendicular to the axial direction, and the step thrust surface 16 is disposed on the matching surface of the upper flange 20 and the cylinder block 14, so that the processing difficulty is reduced, and the stability of the oil pump assembly 4 can be further improved. In the compressor with upper exhaust, the oil pump assembly 4 is subjected to upward axial force, and the step thrust surface 16 is arranged on the matching surface of the lower flange 21 and the cylinder block 14, so that the rotation stability of the oil pump assembly 4 is improved.

The embodiment of the utility model also provides a compressor, which comprises the sliding vane lubricating structure, wherein the pump body assembly 22 comprises a silencing structure 18, and the exhaust port 7 is arranged on the silencing structure 18.

The compressor include pump body subassembly 22, motor stator and rotor that set up in the casing and be located the bottom oil bath 5 of casing bottom, store lubricating oil in the bottom oil bath 5, pump body subassembly 22 includes cylinder block 14, roller, the rotatory bent axle of drive roller, supports upper flange 20 and the lower flange 21 of bent axle, is used for keeping apart the gleitbretter 1 in working chamber high-low pressure chamber. Set up gleitbretter 1 reciprocating motion's gleitbretter groove 2 on the cylinder block 14, gleitbretter 1 and gleitbretter groove 2 are lubricated through the gleitbretter lubricating structure fuel feeding, and gleitbretter 1 is in good lubricated state all the time, and the risk of great reduction gleitbretter 1 wearing and tearing when low liquid level is obvious to the effect when compressor high load operating condition, is showing the reliability that improves the compressor when bad operating modes such as low lubricating oil liquid level.

In some embodiments, side exhaust is adopted, the exhaust port 7 is arranged in the radial direction of the pump body assembly 22 of the sound attenuation structure 18, and the air flow of the exhaust port 7 blows out along the radial direction of the pump body assembly 22. The high-speed airflow blows towards the driving impeller 6 along the lateral direction, so that the driving impeller drives the oil pump assembly 4 to rotate and run, and the lubricating oil in the bottom oil pool 5 is pumped into the sliding sheet groove 2 by matching with the oil suction pipe 9 and the oil guide sheet 13.

The sliding vane lubricating structure and the compressor with the sliding vane lubricating structure provided by the utility model not only realize the purpose of reducing the oil output of the compressor, but also ensure that a friction pair between the sliding vane 1 and the sliding vane groove 2 is in a good lubricating state when the lubricating oil at the bottom of the compressor is at a low liquid level, greatly reduce the risk of abrasion of the sliding vane 1 at the low liquid level, have obvious effect on the high-load working state of the compressor, and obviously improve the reliability of the compressor under severe working conditions such as the low lubricating oil liquid level.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sliding vane lubrication structure, comprising:

oil supply passageway (3), oil pump assembly (4), oil supply passageway (3) one end and bottom oil bath (5) the intercommunication of compressor, the other end and slide groove (2) intercommunication, oil pump assembly (4) are constructed as the exhaust air current drive that can utilize the pump body subassembly (22) of compressor, will lubricating oil in bottom oil bath (5) is followed oil supply passageway (3) pump send extremely in slide groove (2).

2. Slide lubrication arrangement according to claim 1, characterised in that the oil pump assembly (4) comprises a drive impeller (6), the drive impeller (6) being arranged on the side of the exhaust port (7) of the pump body assembly (22), the drive impeller (6) being configured to be driven in rotation by the air flow of the exhaust port (7).

3. Slide lubrication configuration according to claim 2, characterised in that the oil supply channel (3) comprises a first channel (10), a second channel (11), the first channel (10) being arranged in the axial direction of the pump body assembly (22), the first end of the first channel (10) communicating with the bottom sump (5), the first end of the second channel (11) communicating with the slide groove (2), the second end of the first channel (10) communicating with the second end of the second channel (11).

4. The sliding vane lubrication structure as claimed in claim 3, wherein the oil pump assembly (4) further comprises an oil suction pipe (9), the oil suction pipe (9) is coaxially connected with the driving impeller (6), the oil suction pipe (9) is arranged in the first channel (10), the end of the oil suction pipe (9) corresponding to the first end of the first channel (10) protrudes out of the first channel (10) and extends to below the liquid level of the bottom oil pool (5) or lower than the lower end face of the pump body assembly (22); the end part of the oil suction pipe (9) corresponding to the second end of the first channel (10) is provided with an oil outlet hole (12), and the oil outlet hole (12) is configured to enable lubricating oil inside the oil suction pipe (9) to flow into the second channel (11).

5. Sliding vane lubrication structure according to claim 4, characterized in that the pump body assembly (22) corresponding to the oil outlet (12) is provided with an annular oil groove (17), the oil outlet (12) is communicated with the second channel (11) through the annular oil groove (17), the annular oil groove (17) can ensure that the oil outlet (12) is always communicated with the second channel (11) during the rotation of the oil suction pipe (9).

6. The sliding vane lubrication structure as claimed in any one of claims 2-5, wherein the oil pump assembly (4) further comprises an oil guiding sheet (13), the oil guiding sheet (13) is disposed in the oil supply channel (3), the oil guiding sheet (13) is connected with the driving impeller (6), and the oil guiding sheet (13) is configured to rotate with the driving impeller (6) to pump the lubricant oil in the bottom oil pool (5) into the sliding vane groove (2) along the oil supply channel (3).

7. Sliding vane lubrication arrangement according to claim 6, characterised in that when the oil pump assembly (4) comprises an oil suction pipe (9), the oil guiding vane (13) is axially fixedly arranged within the oil suction pipe (9), the oil guiding vane (13) being configured to be coaxially rotatable with the oil suction pipe (9).

8. The slide lubrication structure according to claim 3, wherein the pump block assembly (22) includes a cylinder block (14), the slide groove (2) is opened in the cylinder block (14), the second passage (11) is opened in an end surface of the cylinder block (14) away from the bottom oil sump (5), and a first end of the second passage (11) is communicated to the slide groove (2).

9. Slide lubrication configuration according to claim 2, where the driving impeller (6) comprises an impeller shaft (19), on which impeller shaft (19) at least one blade (15) is provided, said at least one blade (15) being configured to be blown by the exhaust air flow of the exhaust port (7); and/or the vanes (15) are further configured to adsorb lubricating oil in the exhaust (7) air stream.

10. The sliding vane lubrication structure as claimed in claim 9, wherein the impeller shaft (19) is further provided with a stepped thrust surface (16), and the impeller shaft (19) is rotatably fitted on the pump body assembly (22) through the stepped thrust surface (16).

11. A compressor, characterized by comprising a sliding vane lubrication structure as claimed in any one of claims 1 to 10, said pump body assembly (22) comprising a sound deadening structure (18), said sound deadening structure (18) being provided with a discharge port (7).

12. The compressor according to claim 11, wherein the exhaust port (7) is provided in a radial direction of the pump body assembly (22) of the sound-deadening structure (18), and the flow of the exhaust port (7) is blown out in the radial direction of the pump body assembly (22).

13. A refrigerating apparatus comprising a sliding vane lubricating structure as claimed in any one of claims 1 to 10, or a compressor as claimed in any one of claims 11 to 12.