CN218817000U - Pump body oil circuit structure, pump body, compressor and air conditioner - Google Patents

Abstract

The utility model provides a pump body oil circuit structure, the pump body, compressor and air conditioner, pump body oil circuit structure includes: the upper flange is arranged on the inner wall of a shaft hole of the upper flange, an upper oil groove, an oil storage groove and a lower oil groove are arranged on the inner wall of the shaft hole of the upper flange, the lower end of the upper oil groove can be used for sucking oil, the upper end of the upper oil groove extends upwards to the upper end of the upper oil groove and is communicated with the oil storage groove, the oil storage groove extends horizontally on the inner wall of the upper flange, the upper end of the lower oil groove is communicated with the oil storage groove so as to suck oil from the oil storage groove, the lower oil groove extends downwards, an oil return inclined hole is further formed in the upper flange, the oil return inclined hole extends downwards in an inclined mode, the upper end of the oil return inclined hole is communicated with the lower end of the lower oil groove, and the lower end of the oil return inclined hole extends to the lower end face of the upper flange so as to guide the oil out of an oil pool below the upper flange. According to the utility model discloses can reduce the oil discharge rate to the utmost, improve lubricated effect.

Description

Pump body oil circuit structure, pump body, compressor and air conditioner

Technical Field

The utility model relates to a compressor technical field, concretely relates to pump body oil circuit structure, the pump body, compressor and air conditioner.

Background

The conventional rolling rotor compressor mainly comprises a pump body assembly, a motor assembly, a liquid distributor component, a shell assembly, an upper cover, a lower cover and the like. The casing assembly and the upper and lower covers are matched to form a closed structure, the casing is mainly composed of two parts, namely a pump body assembly and a motor assembly, the pump body assembly comprises main parts such as an upper flange, a cylinder, a crankshaft, a roller and a lower flange, all the parts are matched with each other to form a closed cavity, and the motor assembly comprises a stator assembly and a rotor assembly. The rotary compressor generates driving force on a crankshaft of the pump body through the action of electromagnetic force generated between the motor rotor component and the stator component, and the volume of a cavity of the pump body is continuously changed to periodically suck, compress and exhaust air under the action of the rotation driving of the crankshaft. The oil-gas mixture gas discharged from the pump body cavity enters the motor lower cavity space, then passes through the motor circulation channel hole to reach the motor upper cavity, and then is discharged out of the compressor to enter the air conditioning system.

The lubrication between the friction pairs of the compressor pump body mainly depends on an oil circuit in the pump body to pump lubricating oil to the contact surface of the moving part, thereby playing the effects of lubrication, cooling and heat dissipation. The main and auxiliary bearing oil circuit structure of the conventional rolling rotor compressor is as follows: the bent axle is provided with central oilhole, and the bent axle major and minor axis root designs respectively has the side oilhole that link up with bent axle central oilhole, is equipped with the pump oil device in the bent axle central oilhole, and the interior disc of upper flange and lower flange is provided with the spiral oil groove respectively. When the compressor runs, under the action of the crankshaft central oil hole oil pumping device, lubricating oil in the bottom oil tank is pumped into the central oil hole, pumped to the end parts of the inner circular surfaces of the lower flange and the upper flange through the side oil holes at the root parts of the long and short shafts of the crankshaft respectively, and pumped to the surfaces of friction pairs (main and auxiliary bearings) of the upper and lower flanges and the long and short shafts of the crankshaft through the spiral oil grooves on the upper and lower flanges respectively, so that the oil circuit lubrication of the main and auxiliary bearings is realized.

When the compressor runs at high frequency, friction of moving parts generates a large amount of heat energy, if the oil pumping amount is insufficient, the heat dissipation is insufficient, the pump body is rapidly heated, the working cavity of the cylinder is heated, and the volumetric efficiency is reduced; meanwhile, the exhaust temperature rises rapidly, resulting in a decrease in the efficiency of the motor and finally in a decrease in the performance of the compressor. At the same time, at high frequencies, the requirements for lubrication between the contact surfaces of the moving parts are higher, especially between the crankshaft and the upper flange, and sufficient lubrication oil needs to be provided for lubrication.

In addition, when the compressor runs, oil drops are filled in the cavity, one of main sources of the oil drops is that a lubricating oil path of the pump body is directly communicated with a lower cavity of the motor, and oil liquid of the lubricating oil path enters the upper cavity of the motor and is discharged into the system under the action of centrifugal force and gas force, so that the oil discharge rate of the compressor in high-frequency running is high, the performance of the compressor is reduced, and the reliability risk of oil shortage inside the compressor is increased.

Because the compressor among the prior art exists by the last flange of pump body lubricating oil circuit on a large amount of lubricating oil pump that the spiral oil groove pumped go into the motor cavity of resorption, only rely on gravity to flow back, most receive high velocity air to strike to carry and enter into the motor epicoele discharge compressor casing, lead to the technical problem such as the oil spitting rate of compressor is too high, consequently the utility model discloses a pump body oil circuit structure, the pump body, compressor and air conditioner are researched and designed.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the compressor among the prior art and having lubricating oil and easily receive high velocity air to strike and carry and enter into the motor epicoele discharge compressor casing, lead to the too high defect of the oil yield of compressor to a pump body oil circuit structure, the pump body, compressor and air conditioner are provided.

In order to solve the above problem, the utility model provides a pump body oil circuit structure, it includes:

go up the flange, be provided with oil groove, oil storage tank and lower oil groove on the shaft hole inner wall of going up the flange, the lower extreme of going up the oil groove can be used for inhaleing oil, go up the oil groove upwards extend to its upper end with the oil storage tank intercommunication, the oil storage tank is in along the horizontal direction extend on the inner wall of going up the flange, down the oil groove the upper end with the oil storage tank intercommunication, in order to follow inhale oil in the oil storage tank, oil groove downwardly extending down, the inside of going up the flange still is provided with the oil return inclined hole, oil return inclined hole slope downwardly extending, just the upper end of oil return inclined hole with the lower extreme intercommunication of oil groove down, the lower extreme of oil return inclined hole extends to go up the lower terminal surface of flange to can with oil derivation extremely in the oil bath of the below of going up the flange.

In some embodiments, the oil return inclined hole is a straight hole, and it all is the slope setting with horizontal direction and vertical direction, the extending direction of oil return inclined hole with the axial of going up the flange presss from both sides the contained angle of establishing between (0, 90 °), just the extending direction and the horizontal direction of oil return inclined hole press from both sides the contained angle of establishing between (0, 90 °), the axial of going up the flange is along vertical direction, the axial terminal surface of going up the flange is along the horizontal direction.

In some embodiments, still be provided with annular flexible groove on the upper flange, annular flexible groove be located the periphery of shaft hole inner wall and with shaft hole inner wall interval default distance, the oil return inclined hole with the end of meeting of oil groove is located down the top of the upper end of annular flexible groove.

In some embodiments, the upper oil groove is a spiral oil groove structure formed on an inner wall of the upper flange, the upper oil groove extends spirally upwards from a lower end to an upper end thereof, a rotation direction of the upper oil groove from the lower end to the upper end thereof is the same as a rotation direction of a crankshaft, and the upper flange is sleeved on the periphery of the crankshaft; the lower oil groove is a spiral oil groove structure formed in the inner wall of the upper flange, the lower oil groove extends downwards in a spiral manner from the upper end to the lower end of the lower oil groove, and the rotating direction of the lower oil groove from the upper end to the lower end of the lower oil groove is the same as that of the crankshaft.

In some embodiments, the upper end of the upper oil groove communicates with a first location of the oil storage groove, the upper end of the lower oil groove communicates with a second location of the oil storage groove, and the first location and the second location are located at different locations.

In some embodiments, the oil reservoir includes a first end and a second end along a horizontal direction, the first position is disposed near or coincident with the first end relative to the second end, and the second position is disposed near or coincident with the second end relative to the first end.

In some embodiments, the pump body oil passage structure further comprises a cylinder and a lower flange, the cylinder being disposed between the upper flange and the lower flange; the cylinder is provided with a cylinder communicating channel, the oil return inclined hole is communicated with the cylinder communicating channel, and oil can be discharged into the oil pool through the cylinder communicating channel; or be provided with cylinder intercommunication passageway on the cylinder and be provided with lower flange intercommunication passageway on the lower flange, the oil return inclined hole in proper order with cylinder intercommunication passageway with lower flange intercommunication passageway intercommunication can pass through cylinder intercommunication passageway with lower flange intercommunication passageway is extremely with oil drain in the oil bath.

In some embodiments, the cylinder communication passage includes a first oil return hole and a second oil return hole which are disposed inside the cylinder, the first oil return hole extends in an axial direction of the cylinder, an upper end of the first oil return hole is opposite to and communicates with a lower end of the oil return inclined hole, the second oil return hole extends in a radial direction of the cylinder, and one end of the second oil return hole communicates with a lower end of the first oil return hole, and the other end communicates with a radial outside of the cylinder.

In some embodiments, the second oil return hole has a gradually increasing cross-sectional flow area in a radially outward direction.

In some embodiments, the cylinder communication passage includes a first oil return hole provided inside the cylinder, the first oil return hole extending in an axial direction of the cylinder and an upper end of the first oil return hole being opposite to and communicating with a lower end of the oil return slant hole, the first oil return hole penetrating the cylinder in the axial direction such that a lower end of the first oil return hole extends to a lower end surface of the cylinder;

the lower flange communication channel comprises a third oil return hole and a fourth oil return hole which are arranged inside the lower flange, the third oil return hole extends along the axial direction of the lower flange, the upper end of the third oil return hole is opposite to and communicated with the lower end of the first oil return hole, the fourth oil return hole extends along the radial direction of the lower flange, one end of the fourth oil return hole is communicated with the lower end of the third oil return hole, and the other end of the fourth oil return hole is communicated to the radial outside of the lower flange.

In some embodiments, the cylinder communication passage includes a first oil return hole provided inside the cylinder, the first oil return hole extending in an axial direction of the cylinder and an upper end of the first oil return hole being opposite to and communicating with a lower end of the oil return slant hole, the first oil return hole penetrating the cylinder in the axial direction such that a lower end of the first oil return hole extends to a lower end surface of the cylinder;

the lower flange communication channel comprises a third oil return hole arranged inside the lower flange, the third oil return hole extends along the axial direction of the lower flange, the upper end of the third oil return hole is opposite to and communicated with the lower end of the first oil return hole, and the third oil return hole penetrates through the lower flange along the axial direction, so that the lower end of the third oil return hole extends to the lower end face of the lower flange to conduct oil to the lower side of the lower flange.

In some embodiments, the cylinder intercommunication passageway including set up in the oblique oil groove of the up end of cylinder, oblique oil groove is for following the up end of cylinder extends to through the cutting the radial outer circumference's of cylinder chute, oblique oil groove's upper end with the lower extreme intercommunication of oil return inclined hole, oblique oil groove's lower extreme slope extends to the radial periphery of cylinder to can lead to oil to the radial outside of cylinder.

In some embodiments, an included angle between the oil return inclined hole and the horizontal direction is α, and an included angle between the extending direction from the upper end to the lower end of the inclined oil groove and the horizontal direction is β, where α is not greater than β.

In some embodiments, the pump body oil path structure further includes an upper cylinder, a partition plate, a lower cylinder and a lower flange, and the upper flange, the upper cylinder, the partition plate, the lower cylinder and the lower flange are sequentially connected in the axial direction;

an upper cylinder communicating channel is arranged in the upper cylinder, the oil return inclined hole is communicated with the upper cylinder communicating channel, and oil can be discharged into the oil pool through the upper cylinder communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder, a partition plate communicating channel is arranged in the partition plate, the oil return inclined hole is sequentially communicated with the upper cylinder communicating channel and the partition plate communicating channel, and oil can be discharged into the oil pool sequentially through the upper cylinder communicating channel and the partition plate communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder, a partition communicating channel is arranged in the partition, a lower cylinder communicating channel is arranged in the lower cylinder, the oil return inclined hole is sequentially communicated with the upper cylinder communicating channel, the partition communicating channel and the lower cylinder communicating channel, and oil can be discharged into the oil tank through the upper cylinder communicating channel, the partition communicating channel and the lower cylinder communicating channel in sequence;

or go up inside being provided with of cylinder intercommunication passageway the inside baffle intercommunication passageway that is provided with of baffle the lower cylinder is inside be provided with down cylinder intercommunication passageway and the inside flange intercommunication passageway that is provided with down of flange down, the oil return inclined hole in proper order with go up cylinder intercommunication passageway baffle intercommunication passageway the lower cylinder intercommunication passageway with lower flange intercommunication passageway intercommunication can loop through go up cylinder intercommunication passageway baffle intercommunication passageway with lower cylinder intercommunication passageway and lower flange intercommunication passageway with oil drain extremely in the oil bath.

In some embodiments, the upper cylinder communication channel includes a fifth oil return hole disposed inside the upper cylinder, the fifth oil return hole extends in an axial direction of the upper cylinder, an upper end of the fifth oil return hole is opposite to and communicated with a lower end of the oil return inclined hole, and the fifth oil return hole axially penetrates through the upper cylinder, so that the lower end of the fifth oil return hole extends to a lower end surface of the upper cylinder;

the baffle intercommunication passageway including set up in the inside sixth oil gallery and the seventh oil gallery of baffle, the sixth oil gallery is followed the axial extension of baffle and the upper end of sixth oil gallery with the lower extreme of fifth oil gallery is relative and the intercommunication, the seventh oil gallery is followed the radial direction of baffle extends, just the one end of seventh oil gallery with the lower extreme intercommunication of sixth oil gallery, the other end communicates to the radial outside of baffle.

In some embodiments, an avoiding groove is formed in the partition plate and located at the outlet end of the seventh oil return hole in a cutting manner, the radially inner end of the avoiding groove is communicated with the outlet end of the seventh oil return hole, and the flow cross-sectional area of the avoiding groove is gradually increased along the fluid flowing direction.

In some embodiments, the upper cylinder communication channel includes a fifth oil return hole disposed inside the upper cylinder, the fifth oil return hole extends along an axial direction of the upper cylinder, an upper end of the fifth oil return hole is opposite to and communicated with a lower end of the oil return inclined hole, and the fifth oil return hole axially penetrates through the upper cylinder, so that the lower end of the fifth oil return hole extends to a lower end surface of the upper cylinder;

the partition communicating channel comprises a sixth oil return hole arranged in the partition, the sixth oil return hole extends along the axial direction of the partition, the upper end of the sixth oil return hole is opposite to and communicated with the lower end of the fifth oil return hole, and the sixth oil return hole axially penetrates through the partition, so that the lower end of the sixth oil return hole extends to the lower end face of the partition;

the lower air cylinder communication channel comprises an eighth oil return hole and a ninth oil return hole which are arranged inside the lower air cylinder, the eighth oil return hole extends along the axial direction of the lower air cylinder, the upper end of the eighth oil return hole is opposite to and communicated with the lower end of the sixth oil return hole, the ninth oil return hole extends along the radial direction of the lower air cylinder, one end of the ninth oil return hole is communicated with the lower end of the eighth oil return hole, and the other end of the ninth oil return hole is communicated with the radial outside of the lower air cylinder.

In some embodiments, the upper cylinder communication channel includes a fifth oil return hole disposed inside the upper cylinder, the fifth oil return hole extends in an axial direction of the upper cylinder, an upper end of the fifth oil return hole is opposite to and communicated with a lower end of the oil return inclined hole, and the fifth oil return hole axially penetrates through the upper cylinder, so that the lower end of the fifth oil return hole extends to a lower end surface of the upper cylinder;

the partition communicating channel comprises a sixth oil return hole arranged in the partition, the sixth oil return hole extends along the axial direction of the partition, the upper end of the sixth oil return hole is opposite to and communicated with the lower end of the fifth oil return hole, and the sixth oil return hole axially penetrates through the partition, so that the lower end of the sixth oil return hole extends to the lower end face of the partition;

the lower air cylinder communication channel comprises an eighth oil return hole arranged inside the lower air cylinder, the eighth oil return hole extends along the axial direction of the lower air cylinder, the upper end of the eighth oil return hole is opposite to and communicated with the lower end of the sixth oil return hole, and the eighth oil return hole axially penetrates through the lower air cylinder, so that the lower end of the eighth oil return hole extends to the lower end face of the lower air cylinder;

the lower flange communication channel comprises a third oil return hole and a fourth oil return hole which are arranged inside the lower flange, the third oil return hole extends along the axial direction of the lower flange, the upper end of the third oil return hole is opposite to and communicated with the lower end of the eighth oil return hole, the fourth oil return hole extends along the radial direction of the lower flange, one end of the fourth oil return hole is communicated with the lower end of the third oil return hole, and the other end of the fourth oil return hole is communicated to the radial outside of the lower flange.

The utility model also provides a pump body, it includes preceding arbitrary pump body oil circuit structure, still include the bent axle, the bent axle is worn to establish the entering in the shaft hole of upper flange.

In some embodiments, the crankshaft is provided at an inner portion thereof with a center oil hole extending in an axial direction of the crankshaft and side oil holes extending in a radial direction of the crankshaft, one end of the side oil hole communicating with the center oil hole and the other end extending to communicate with a radially outer side of the crankshaft, and the side oil holes are opposed to an inner wall of the upper flange to enable oil to be delivered into the upper oil groove.

The utility model also provides a compressor, it includes aforementioned pump body.

The utility model also provides an air conditioner, it includes aforementioned compressor.

The utility model provides a pair of pump body oil circuit structure, the pump body, compressor and air conditioner have following beneficial effect:

the utility model discloses a structure that sets up upper oil groove, oil storage tank and lower oil groove can be through the upper oil groove in order effectively to carry out the lubrication between bent axle and the upper flange, utilize the oil storage tank to save lubricating oil, and can export the lubrication downwards below the upper flange through lower oil groove, thereby effectively solve lubricating oil and get into the motor cavity of resorption and the too high problem of compressor oil-discharging rate that leads to upwards, make lubricating oil return to the below of upper flange as far as possible, and can not discharged, reduce the oil-discharging rate; and for the prior application of the applicant of the utility model, the utility model discloses still through the setting of oil return inclined hole, can with the lubricating oil drainage of upper flange backward flow to the position that is closer to the oil bath bottom, make backward flow lubricating oil directly enter into the oil bath through drainage channel below the fluid level, thereby optimize the circulation of pump body lubricating oil circuit in the pump body inside, avoid by the direct radial injection of the lubricating oil that the oil return runner was pumped to flange wall or casing wall, and cause and spout the fretwork cavity wall and make partial lubricating oil sputter to the motor lower cavity and flow out along with the exhaust, for example spray to the fretwork cavity wall and lead to partial lubricating oil to get into the motor lower cavity along the radial, further improve the compressor oil spitting rate and the radial vibration problem that lead to from this, can further reduce the oil spitting rate for prior application; therefore, oil discharge can be further prevented, and the oil discharge rate can be reduced to the maximum extent.

Drawings

Fig. 1 is a sectional view of a pump body assembly and an oil passage structure according to embodiment 1 of a pump body oil passage structure of the present invention;

FIG. 1-1 is a top view structural view of an upper flange of the pump block assembly oil path structure of FIG. 1;

FIGS. 1-2 are top views of the cylinder of FIG. 1;

fig. 2 is a sectional view of a pump body assembly and an oil path structure according to embodiment 2 of the pump body oil path structure of the present invention;

fig. 3 is a sectional view of a pump body assembly and an oil path structure according to embodiment 3 of the pump body oil path structure of the present invention;

fig. 4 is a cross-sectional view of the pump body assembly and the oil passage structure according to embodiment 4 of the pump body oil passage structure of the present invention;

FIG. 4-1 is a perspective view of the cylinder of FIG. 4;

fig. 5 is a sectional view of a pump body assembly and an oil passage structure according to embodiment 5 of the pump body oil passage structure of the present invention;

fig. 6 is a sectional view of a pump body assembly and an oil passage structure according to embodiment 6 of the pump body oil passage structure of the present invention;

fig. 7 is a cross-sectional view of a pump body assembly and an oil passage structure according to embodiment 7 of the pump body oil passage structure of the present invention;

fig. 8 is a sectional view of a pump body assembly and an oil passage structure according to embodiment 8 of the pump body oil passage structure of the present invention;

FIG. 8-1 is an enlarged view of a portion of FIG. 8 at M;

fig. 9 is a sectional view of a pump body assembly and an oil passage structure according to embodiment 8 of the pump body oil passage structure of the present invention;

fig. 9-1 is a perspective view of the partition in fig. 8.

The reference numerals are represented as:

1. a pump body assembly; 11. an upper flange; 12. a cylinder; 121. an upper cylinder; 122. a lower cylinder; 13. a crankshaft; 14. a roller; 141. an upper roller; 142. a lower roller; 15. a lower flange; 16. a partition plate; 17. an upper muffler; 18. a lower silencer; 7. an oil sump; 100. oiling a flow path; 1101. an upper oil groove; 1301. a central oil hole; 1302. a side oil hole; 200. an oil return passage; 1102. an oil storage tank; 1103. a lower oil groove; 1109. an oil return inclined hole; 1105. an upper flange hollow cavity; 1106. an annular flexible groove;

300. a drainage channel; 1201. a first oil return hole; 1202. a second oil return hole; 1203. an inclined oil groove; 12101. a fifth oil return hole; 1601. a sixth oil return hole; 1602. a seventh oil return hole; 1603. avoiding the groove; 12201. an eighth oil return hole; 12202. a ninth oil return hole; 1501. a third oil return hole; 1502. and a fourth oil return hole.

Detailed Description

As shown in fig. 1-9, the utility model provides a pump body oil circuit structure, it includes:

go up flange 11, be provided with upper oil groove 1101, oil storage tank 1102 and lower oil groove 1103 on the shaft hole inner wall of upper flange, the lower extreme of upper oil groove 1101 can be used for inhaleing oil, upper oil groove 1101 upwards extend to its upper end with oil storage tank 1102 intercommunication, oil storage tank 1102 is in along the horizontal direction extend on the inner wall of upper flange 11, down the upper end of oil groove 1103 with oil storage tank 1102 intercommunication, in order to follow inhale oil in the oil storage tank 1102, oil groove downwardly extending down, the inside of upper flange 11 still is provided with oil return inclined hole 1109, oil return inclined hole 1109 slope downwardly extending, just oil return inclined hole 1109's upper end with the lower extreme intercommunication of oil groove 1103 down, oil return inclined hole 1109's lower extreme extends to the lower terminal surface of upper flange 11, with can lead oil to in the oil pool of the below of upper flange 11.

The utility model discloses a structure that sets up oil groove, oil storage tank and oil groove down can be through last oil groove in order effectively to carry out the lubrication between bent axle and the upper flange, utilize the oil storage tank can save lubricating oil, and can lead out the lubrication downwards in the oil bath of the below of upper flange through oil groove down, thereby effectively solve lubricating oil and get into the motor cavity of resorption and lead to the problem that the compressor oil-discharging rate is too high upwards, make lubricating oil get back to in the oil bath of the below of upper flange as far as possible and can not be discharged, reduce the oil-discharging rate; and for the applicant's prior application, the utility model discloses still through the setting of oil return inclined hole, can be with the lubricating oil drainage of upper flange backward flow to the position that is closer to the oil bath bottom, make backward flow lubricating oil directly enter the oil bath through drainage channel below the fluid level, thereby optimize the circulation of pump body lubricating oil circuit in the pump body inside, avoid by the direct radial injection of the lubricating oil that the oil return runner was pumped to flange wall or casing wall, and cause and spout the fretwork cavity wall and make partial lubricating oil sputter to the motor lower cavity and flow out along with the exhaust, for example spray to the fretwork cavity back along radial and lead to partial lubricating oil to get into the motor lower cavity, further improve the compressor oil spitting rate and the radial vibration problem that lead to from this, can further reduce the oil spitting rate for prior application; therefore, oil discharge can be further prevented, and the oil discharge rate can be reduced to the maximum extent.

The utility model provides a rolling rotor formula compressor pump body subassembly, including last flange, cylinder, bent axle, roller and lower flange. Be provided with central oilhole on the bent axle, the bent axle is provided with the side oilhole with the lower extreme root of last flange cooperation axle head, goes up the flange and is provided with spiral oil groove, oil storage tank, oil return channel, is provided with drainage channel on other pump body parts, and the entry of bent axle center oilhole and drainage channel's export communicate with the oil bath respectively, and spiral oil groove, oil storage tank, oil return channel, drainage channel communicate end to end in proper order in bent axle center oilhole, side oilhole and, make up pump body subassembly pump oil return circulation runner jointly. The oil storage tank, the oil return channel and the drainage channel form an oil return flow path.

The utility model discloses an upper flange oil return runner mainly comprises lower oil groove, oil return inclined hole, oil groove is spiral oil groove or straight flute for setting up on the disc in the upper flange down, its one end and oil storage tank intercommunication, the other end and oil return inclined hole intercommunication, the oil return inclined hole sets up inside the ring flange of upper flange, link up the inclined hole structure that has certain inclination of terminal surface under disc, the ring flange in the upper flange respectively for both ends. The upper flange oil storage tank is of a crescent groove structure along the radial direction, and the lower oil tank is of a straight tank or a lower spiral oil tank structure with the rotation direction opposite to that of the upper spiral oil tank;

the utility model discloses the innovation provides a rolling rotor formula compressor pump body subassembly 1, including last flange 11, cylinder 12, bent axle 13, roller 14 and lower flange 15 etc.. The crankshaft 13 is provided with a central oil hole 1301, the crankshaft 13 and the lower end root of the matched shaft end of the upper flange 11 are provided with side oil holes 1302, the upper flange 11 is provided with an upper spiral oil groove (an upper oil groove 1101), an oil storage groove 1102 and an oil return channel, and other pump body parts are provided with drainage channels. The crankshaft center oil hole 1301, the side oil hole 1302, the upper spiral oil groove, the oil storage groove 1102, the oil return channel 200 and the drainage channel 300 are sequentially communicated end to end, and the inlet of the crankshaft center oil hole 1301 and the outlet of the drainage channel are respectively communicated with the oil pool 7 to jointly form a pump body assembly oil pumping and returning circulation flow passage. The crankshaft center oil hole 1301, the side oil hole 1302 and the spiral oil grooves on the upper flange form an oil supply or pumping flow path together, and the oil storage groove 1102, the oil return channel 200 and the drainage channel 300 form an oil return flow path together.

Further, the utility model discloses the pump body oil return circulation runner of structure, flange oil return runner are mainly by lower oil groove 1103, oil return inclined hole 1109 and constitute on it. Wherein, the lower oil groove is a spiral oil groove or a straight groove which is arranged on the inner circle surface of the upper flange 11 and has the opposite rotation direction with the upper spiral oil groove, one end of the lower oil groove is communicated with the oil storage groove 1102, and the other end is communicated with the oil return inclined hole 1109. The upper flange oil return inclined hole 1109 is arranged inside the flange plate of the upper flange 11 and is an inclined hole structure with a certain inclination angle, two ends of the inclined hole structure respectively penetrate through the inner circle surface of the upper flange and the lower end surface of the flange plate. The oil storage tank 1102 of the upper flange is in a crescent groove structure along the radial direction.

The utility model discloses following technical problem has been solved simultaneously:

1. lubricating oil pumped out by a spiral oil groove on an upper flange of a lubricating oil path of the pump body is impacted by airflow and carried into a lower cavity of the motor, and then is discharged out of a shell of the compressor along with the airflow to an upper cavity of the motor, so that the oil discharge rate of the compressor is overhigh, and the performance and the reliability of the compressor are influenced;

2. the lubricating oil pumped out by the oil return flow passage is directly and radially sprayed to the wall surface of the flange or the wall surface of the shell, so that the wall surface of the hollow cavity is sprayed, part of the lubricating oil is sprayed to the lower cavity of the motor and flows out along with exhaust, and the problems of poor oil discharge rate improvement effect and radial vibration are caused.

Has the advantages that:

1. the utility model provides an innovative pump body lubricating oil circuit internal circulation oil return structure, avoid by the lubricating oil that the spiral oil groove pumped on the upper flange of pump body lubricating oil circuit receive the air current impact to carry and get into the motor cavity of resorption, and then discharge the compressor housing along with the air current to the motor cavity of resorption, greatly reduced the oil yield of compressor, improve compressor performance and reliability;

2. the utility model provides a pump body lubricating oil circuit inner loop drainage channel structure, the lubricating oil drainage that will go up the flange backward flow to the position that is closer to the oil bath bottom, make backward flow lubricating oil directly get into below the fluid level in the oil bath via drainage channel, thereby optimize pump body lubricating oil circuit at the inside circulation of the pump body, avoid by the direct radial injection of the lubricating oil that the return flow says to flange wall or casing wall on, and cause and spout the fretwork cavity wall and make partial lubricating oil sputter to the motor cavity of resorption along with the outflow of exhausting, further improve the compressor oil spitting rate and the radial vibration problem that lead to from this.

In some embodiments, the oil return inclined hole 1109 is a straight hole, and is disposed in an inclined manner with both the horizontal direction and the vertical direction, an extending direction of the oil return inclined hole 1109 and an axial direction of the upper flange 11 sandwich an included angle between (0, 90 °), the extending direction of the oil return inclined hole 1109 and the horizontal direction sandwich an included angle between (0, 90 °), an axial direction of the upper flange 11 is along the vertical direction, and an axial end face of the upper flange 11 is along the horizontal direction. This is the utility model discloses an optimal structure form of oil return inclined hole, it is that it also is inclination's extending direction with the horizontal direction simultaneously for being inclination with vertical direction promptly, can pass through the lower terminal surface department of oil return inclined hole water conservancy diversion supreme flange with the oil of oil groove lower extreme down, and be unlikely to along transverse flow to fretwork cavity department and lead to being strikeed in the motor cavity of resorption of supreme flange top to can further reduce the oil discharge rate.

In some embodiments, an annular flexible groove 1106 is further disposed on the upper flange 11, the annular flexible groove 1106 is located on the outer periphery of the inner wall of the shaft hole and is spaced from the inner wall of the shaft hole by a preset distance, and the joint end of the oil return inclined hole 1109 and the lower oil groove 1103 is located above the upper end of the annular flexible groove 1106. This is the utility model discloses a further preferred position of oil return inclined hole, its lower extreme with lower oil groove meets the position promptly and is located the top in annular flexible groove to can not communicate with annular flexible groove mutually, can prevent effectively that the oil in the oil groove can not enter into annular flexible groove down, avoid the oil return inclined hole can't absorb the condition emergence of oil.

In some embodiments, the upper oil groove 1101 is a spiral oil groove structure formed on an inner wall of the upper flange 11, the upper oil groove 1101 extends spirally upward from a lower end to an upper end thereof, a rotation direction of the upper oil groove 1101 from the lower end to the upper end thereof is the same as a rotation direction of a crankshaft, and the upper flange is sleeved on an outer circumference of the crankshaft; the lower oil groove 1103 has a spiral oil groove structure formed on an inner wall of the upper flange 11, the lower oil groove 1103 extends spirally downward from an upper end thereof to a lower end thereof, and a rotation direction of the lower oil groove 1103 from the upper end thereof to the lower end thereof is the same as a rotation direction of the crankshaft. The utility model discloses a set up the structural style into the helicla flute with last oil groove to the direction of rotation from lower extreme to upper end is the same with the direction of rotation of bent axle, can make the oil stream in the oil groove to the oil storage tank in driving effectively along with the rotation of bent axle, the utility model discloses also set up the oil groove down into the structural style of helicla flute to the direction of rotation from upper end to lower extreme is the same with the direction of rotation of bent axle, can make along with the rotatory oil stream in the oil storage tank of driving effectively of bent axle in the oil groove down, and then discharge to the flange below through oil groove down. Namely the utility model discloses a rotation drive lubricating oil that spiral oil groove's design can effectively utilize the bent axle from last oil bath motion in proper order through oil storage tank and lower oil bath and carry out effectual lubrication to the faying face between upper flange and the bent axle.

In some embodiments, the upper end of the upper oil tank 1101 communicates with a first location of the oil reservoir 1102, the upper end of the lower oil tank 1103 communicates with a second location of the oil reservoir 1102, and the first location and the second location are located at different locations. This is the utility model discloses an upper oil groove and lower oil groove are linked together with the oil storage tank preferred position respectively, and the upper oil groove communicates to the first position promptly, and lower oil groove communicates to the second position, and upper oil groove communicates to the position of the difference of oil storage tank with lower oil groove, can make the oil that the upper oil groove was carried and is come store through the oil storage tank to the oil after will storing is derived, prevents that the oil that the upper oil groove was carried does not pass through the oil storage tank and directly discharges away from lower oil groove, and then improves lubricated effect between upper flange and the bent axle.

In some embodiments, the reservoir 1102 includes a first end and a second end along a horizontal direction, the first position is disposed near or coincident with the first end relative to the second end, and the second position is disposed near or coincident with the second end relative to the first end. This is the utility model discloses an optimal structure form of oil storage tank, first position through last oil groove and oil storage tank intercommunication can be for first end or be close to first end, the second position of lower oil groove and oil storage tank intercommunication can be for the second end or be close to the second end setting, the optimal selection is that first position is first end, the second position is the second end, can prolong the length between first position and the second position like this to improve oil storage length, and then the at utmost improves the lubricated effect to between flange and the bent axle.

As shown in fig. 1-4 and examples 1-4, in some embodiments, the pump body oil path structure further includes a cylinder 12 and a lower flange 15, where the cylinder 12 is disposed between the upper flange 11 and the lower flange 15; the cylinder 12 is provided with a cylinder communicating channel, the oil return inclined hole 1109 is communicated with the cylinder communicating channel, and oil can be discharged into the oil pool through the cylinder communicating channel; or cylinder communicating channel is arranged on the cylinder 12 and lower flange communicating channel is arranged on the lower flange 15, the oil return inclined hole 1109 is communicated with the cylinder communicating channel and the lower flange communicating channel in sequence, and oil can be discharged to the oil pool through the cylinder communicating channel and the lower flange communicating channel.

The utility model discloses an oil return inclined hole on the upper flange can communicate with cylinder intercommunication passageway or communicate with cylinder intercommunication passageway and lower flange intercommunication passageway in proper order, can derive oil to the radial outside of cylinder or lower flange effectively, realizes that lubricating oil effectively derives the effect in the oil bath of supreme flange below.

Example 1, as shown in fig. 1,1-1 and 1-2, in some embodiments, the cylinder 12 further includes a cylinder 12, the cylinder 12 is provided with a first oil return hole 1201 and a second oil return hole 1202, the first oil return hole 1201 extends in an axial direction of the cylinder 12, an upper end of the first oil return hole 1201 is opposite to and communicates with a lower end of the oil return inclined hole 1109, the second oil return hole 1202 extends in a radial direction of the cylinder 12, and one end of the second oil return hole 1202 communicates with the lower end of the first oil return hole 1201, and the other end communicates with a radial outside of the cylinder 12. This is the utility model discloses an embodiment 1's preferred structural style, the first oil hole intercommunication of returning of oil inclined hole on the flange and cylinder promptly, first oil hole downwardly extending returns, second oil hole and first oil hole intercommunication returns, and the second oil hole is along radially extending to derive oil to the cylinder radial outside through the second oil hole, realize that lubricating oil effectively derives the effect of supreme flange below.

The utility model discloses drainage channel 300 for set up "L" type passageway on the cylinder, comprises first time oilhole and second oil return hole, first time oilhole is the axial blind hole or the through-hole that one end link up the up end of cylinder (promptly with upper flange terminal surface complex terminal surface), its entry and upper flange oil return channel's export intercommunication, the second oil return hole is the radial hole of both ends intercommunication first time oilhole and casing lower part oil bath respectively, and its axial position is less than casing bottom oil level.

Fig. 1,1-1 and 1-2 are respectively a sectional view of the pump body assembly and oil circuit structure, a three-dimensional line drawing of an upper flange and a schematic view of a cylinder structure of the present invention. The utility model discloses pump body oil return circulation runner's drainage channel for setting up "L" type passageway on cylinder 12, comprises first oil return hole 1201 and second oil return hole 1202. One end of the first oil return hole 1201 penetrates through an axial blind hole or through hole of the upper end face of the cylinder 12 (namely, the end face matched with the upper flange 11), the inlet of the first oil return hole is communicated with the outlet of an oil return channel of the upper flange, the second oil return hole 1202 is a radial hole of which two ends are respectively communicated with the first oil return hole 1201 and an oil pool 7 at the lower part of the shell, and the axial position of the second oil return hole is lower than the oil level at the bottom of the shell, so that the backflow lubricating oil of the pump body is drained below the oil level at the lower part of the oil pool through the drainage channel, the outlet of the oil return flow path is far away from the lower cavity of the motor, the problem of radial vibration caused by the fact that the lubricating oil pumped by the oil return flow path of the pump body directly and radially splashes to the edge surface of the flange or the wall surface of the shell is solved, and the problem of high oil output rate caused by the fact that the lubricating oil splashes to the lower cavity of the motor along with the exhaust to the upper cavity of the motor, and then flows out of the compressor to enter the air conditioning system.

Pump body oil return circulation flow path: the oil pool 7 → the central oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the first oil return hole 1201 → the second oil return hole 1202 → the oil pool 7.

Example 2, as shown in fig. 2, in some embodiments, the cylinder 12 further includes a cylinder 12 and a lower flange 15, a first oil return hole 1201 is provided inside the cylinder 12, the first oil return hole 1201 extends in an axial direction of the cylinder 12, an upper end of the first oil return hole 1201 is opposite to and communicates with a lower end of the oil return inclined hole 1109, and the first oil return hole 1201 axially penetrates through the cylinder 12, so that the lower end of the first oil return hole 1201 extends to a lower end surface of the cylinder 12;

a third oil return hole 1501 and a fourth oil return hole 1502 are arranged in the lower flange 15, the third oil return hole 1501 extends along the axial direction of the lower flange 15, the upper end of the third oil return hole 1501 is opposite to and communicated with the lower end of the first oil return hole 1201, the fourth oil return hole 1502 extends along the radial direction of the lower flange 15, one end of the fourth oil return hole 1502 is communicated with the lower end of the third oil return hole 1501, and the other end of the fourth oil return hole 1502 is communicated with the radial outside of the lower flange 15.

This is the embodiment 2 of the utility model discloses an optimal structural style, the first oil hole intercommunication of returning of oil inclined hole on the flange and cylinder promptly, first oil hole downwardly extending and running through to lower terminal surface, the third oil gallery on the lower flange extends along the axial, and the fourth oil gallery radially extends for first oil hole, third oil gallery and fourth oil gallery communicate in proper order, thereby derive the oil to the cylinder radial outside through the fourth oil gallery, realize that lubricating oil effectively derives the effect to the flange below.

The utility model discloses drainage channel 300, for setting up "L" type passageway that forms of combining together in the oil gallery on cylinder and lower flange, be provided with the first oil return hole of cylinder on the cylinder, the axial hole of both ends face about the cylinder is link up to the first oil return hole position of cylinder, its entry and upper flange oil return channel's export intercommunication, be provided with lower flange third oil return hole and fourth oil return hole on the lower flange, the third oil return hole is the axial blind hole that one end runs through the up end of lower flange (promptly with cylinder lower end face complex terminal surface), its entry and the export intercommunication of the first oil return hole of cylinder, the fourth oil return hole is the radial hole of both ends intercommunication lower flange third oil return hole and casing lower part oil bath respectively, and its axial position is less than casing bottom oil level.

Fig. 2 is the utility model discloses embodiment 2 innovative structure pump body subassembly and oil circuit structure sketch map.

The utility model discloses pump body oil return circulation runner's drainage channel, for setting up "L" type passageway that the common assembly combination of oil gallery on cylinder 12 and lower flange 15 formed, be provided with the first oil gallery 1201 of cylinder on cylinder 12, the first oil gallery 1201 of cylinder is for lining up the axial hole of both ends face about cylinder 12, its entry communicates with the export of the oil gallery on the upper flange 11, be provided with lower flange third oil gallery 1501 and fourth oil gallery 1502 on the lower flange 15, third oil gallery 1501 is the axial blind hole that one end runs through the up end of lower flange 15 (promptly with cylinder 12 complex terminal surface), its entry communicates with the export of the first oil gallery of cylinder 1201, the fourth oil gallery is the radial hole that both ends communicate lower flange third oil gallery 1501 and casing lower part oil sump 7 respectively, its axial position is less than casing bottom oil level 1502. The effect of this embodiment is the same as that of embodiment 1, and the outlet of the diversion channel is positioned closer to the bottom of the oil pool.

Pump body oil return circulation flow path: the oil sump 7 → the central oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the first oil return hole 1201 of the cylinder → the third oil return hole 1501 of the lower flange → the fourth oil return hole 1502 of the lower flange → the oil sump 7.

Example 3, as shown in fig. 3, in some embodiments, the cylinder 12 further includes a cylinder 12 and a lower flange 15, the cylinder 12 is provided with a first oil return hole 1201 inside, the first oil return hole 1201 extends in an axial direction of the cylinder 12, an upper end of the first oil return hole 1201 is opposite to and communicates with a lower end of the oil return inclined hole 1109, and the first oil return hole 1201 axially penetrates through the cylinder 12, so that the lower end of the first oil return hole 1201 extends to a lower end surface of the cylinder 12;

the lower flange 15 is provided with a third oil return hole 1501 inside, the third oil return hole 1501 extends along the axial direction of the lower flange 15, the upper end of the third oil return hole 1501 is opposite to and communicated with the lower end of the first oil return hole 1201, and the third oil return hole 1501 axially penetrates through the lower flange 15, so that the lower end of the third oil return hole 1501 extends to the lower end face of the lower flange 15, and oil is conducted to the lower side of the lower flange 15.

This is the utility model discloses an embodiment 3's preferred structural style, the oil return inclined hole on the last flange promptly communicates with the first oil return hole of cylinder, and first oil return hole downwardly extending runs through to lower terminal surface, and the third oil return hole on the lower flange is followed axial extension and is run through to the lower terminal surface of lower flange for first oil return hole, third oil return hole communicate in proper order, thereby derive oil to the cylinder radial direction outside through the fourth oil return hole, realize that lubricating oil effectively derives the effect to the flange below.

The utility model discloses drainage channel, by setting up the oil gallery on cylinder and lower flange and make up jointly and form, set up first time oilhole and third oil gallery on cylinder and the lower flange respectively, the axial hole of terminal surface about the cylinder is for lining up the cylinder for the first time oilhole of cylinder, its entry and upper flange oil return channel's export intercommunication, the axial hole of terminal surface about the lower flange third oil gallery is for lining up, and its entry communicates with the export of the first time oilhole of cylinder, and the direct oil bottom of the pool portion of its export.

As shown in fig. 3, it is the embodiment 3 of the present invention that the pump body assembly and the oil circuit structure are schematically shown.

The utility model discloses pump body oil return circulation flow channel's drainage channel is formed by setting up the oil gallery combination jointly on cylinder 12 and lower flange 15, sets up first oil return hole 1201 and third oil gallery 1501 on cylinder 12 and the lower flange 15 respectively. The first oil return hole 1201 of the cylinder is an axial hole penetrating through the upper and lower end surfaces of the cylinder, the inlet of the first oil return hole is communicated with the outlet of the oil return channel of the upper flange 11, the third oil return hole 1501 of the lower flange is an axial hole penetrating through the upper and lower end surfaces of the lower flange, the inlet of the third oil return hole is communicated with the outlet of the first oil return hole 1201 of the cylinder, and the outlet of the third oil return hole is communicated with the bottom of the oil pool 7. The effect of this embodiment is the same as embodiment 1, its flow guiding channel is an axial through hole, its outlet position is directly connected to the bottom of the oil pool, and it can directly eliminate the problem of radial flow vibration noise caused by the oil return flow path to the pump oil.

Pump body oil return circulation flow path: the oil pool 7 → the central oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the first oil return hole 1201 of the cylinder → the third oil return hole 1501 of the lower flange → the oil pool 7.

Example 4, as shown in fig. 4 and 4-1, in some embodiments, the cylinder further includes a cylinder 12, an upper end surface of the cylinder 12 is provided with a slant oil groove 1203, the slant oil groove 1203 is a slant groove extending from the upper end surface of the cylinder 12 to a radial outer circumference of the cylinder 12 by cutting, an upper end of the slant oil groove 1203 communicates with a lower end of the oil return slant hole 1109, and a lower end of the slant oil groove 1203 extends to a radial outer circumference of the cylinder 12 in a slant manner, so that oil can be guided to a radial outer portion of the cylinder 12. This is the utility model discloses an embodiment 4's preferred structural style, the oblique oil groove intercommunication of oil return inclined hole on the last flange and cylinder promptly, oblique oil groove extends to the cylinder outer peripheral face with the mode of slope from the up end of cylinder to derive oil to the cylinder radial outside through oblique oil groove, realize lubricating oil and effectively derive the effect of supreme flange below.

The utility model discloses drainage channel, for setting up the oblique oil groove structure on the cylinder, one of them open end of oblique oil groove is towards cylinder and upper flange complex terminal surface, and another open end is towards the outer disc of cylinder, the open end of the cylinder up end face side of oblique oil groove and upper flange oil return channel's export intercommunication, the open end of the cylinder outer disc side of oblique oil groove and the oil bath intercommunication of casing lower part, its axial position lean on the downside and be less than casing bottom oil level.

Fig. 4 and 4-1 are a sectional view of the pump body assembly and the oil passage structure, and a three-dimensional line drawing of the cylinder structure, respectively, in the innovative structure of this embodiment.

The utility model discloses pump body oil return circulation runner's drainage channel, for setting up oblique oil groove 1203 on cylinder 12, one of them open end of oblique oil groove 1203 is towards cylinder 12 and 11 complex terminal surfaces of upper flange, and another open end is towards the outer disc of cylinder 12. The opening end of the upper end face side of the cylinder of the inclined oil groove 1203 is communicated with an outlet of the upper flange oil return channel, the opening end of the outer circle face side of the cylinder of the inclined oil groove is communicated with an oil pool 7 at the lower part of the shell, and the lower side of the axial position of the opening end is lower than the oil level at the bottom of the shell.

Pump body oil return circulation flow path: oil pool 7 → crankshaft center oil hole 1301 → side oil hole 1302 → upper spiral oil groove (upper oil groove 1101) → oil storage groove 1102 → upper flange oil return passage → cylinder oil groove 1203 → oil pool 7

Further, as shown in fig. 4-1, in some embodiments, an included angle between the oil return inclined hole 1109 and the horizontal direction is α, and an included angle between the extending direction of the upper end to the lower end of the inclined oil groove 1203 and the horizontal direction is β, and α ≦ β. The utility model discloses a pump body oil return circulation runner sets for the central axis of upper flange oil return inclined hole and the contained angle of ring flange terminal surface to be alpha, and the slope bottom surface of the oblique oil groove of cylinder is beta with the contained angle of cylinder up end, and more optimally, parameter alpha, beta satisfy: α ≦ β, optimally, α = β.

The included angle of the central axis of the oil return inclined hole 1109 of the upper flange and the end surface of the flange plate is set to be alpha, the included angle of the inclined bottom surface of the inclined oil groove 1203 of the cylinder and the upper end surface of the cylinder is set to be beta, and preferably, the parameters alpha and beta meet the following conditions: α ≦ β, optimally, α = β. Therefore, on the premise that the action and effect of the embodiment are the same as those of embodiment 1, the flow resistance loss of the lubricating oil in the oil return flow path is reduced, and due to the structural design of the inclined oil groove, the cross-sectional flow area of the inclined oil groove has the structural characteristic of gradually increasing along the backflow direction, the flow velocity of the lubricating oil at the outlet of the backflow flow path can be reduced, and the flow noise caused by liquid impact after the lubricating oil is pumped into the oil at the bottom of the pool is improved.

5-9, examples 5-9, in some embodiments, the pump body oil circuit structure further includes an upper cylinder 121, a partition plate 16, a lower cylinder 122, and a lower flange 15, where the upper flange 11, the upper cylinder 121, the partition plate 16, the lower cylinder 122, and the lower flange 15 are sequentially connected in an axial direction;

an upper cylinder communicating channel is arranged in the upper cylinder 121, the oil return inclined hole 1109 is communicated with the upper cylinder communicating channel, and oil can be discharged into the oil pool through the upper cylinder communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder 121, a partition communicating channel is arranged in the partition 16, and the oil return inclined hole 1109 is sequentially communicated with the upper cylinder communicating channel and the partition communicating channel and can discharge oil to the oil pool sequentially through the upper cylinder communicating channel and the partition communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder 121, a partition communicating channel is arranged in the partition 16, a lower cylinder communicating channel is arranged in the lower cylinder 122, and the oil return inclined hole 1109 is sequentially communicated with the upper cylinder communicating channel, the partition communicating channel and the lower cylinder communicating channel and can discharge oil to the oil pool sequentially through the upper cylinder communicating channel, the partition communicating channel and the lower cylinder communicating channel;

or go up cylinder 121 inside be provided with cylinder intercommunication passageway, 16 inside be provided with baffle intercommunication passageways of baffle, down cylinder 122 inside be provided with down cylinder intercommunication passageway and the flange intercommunication passageway is down provided with down to flange 15 inside, oil return inclined hole 1109 in proper order with go up cylinder intercommunication passageway baffle intercommunication passageway down cylinder intercommunication passageway with flange intercommunication passageway intercommunication can loop through go up cylinder intercommunication passageway baffle intercommunication passageway, with lower cylinder intercommunication passageway and flange intercommunication passageway are down arranged oil to in the oil bath.

The utility model discloses an oil return inclined hole on the upper flange can with last cylinder intercommunication passageway intercommunication or in proper order with last cylinder intercommunication passageway and baffle intercommunication passageway intercommunication or in proper order with last cylinder intercommunication passageway, baffle intercommunication passageway intercommunication, lower cylinder intercommunication passageway and lower flange intercommunication passageway intercommunication, or in proper order with last cylinder intercommunication passageway, baffle intercommunication passageway intercommunication, lower cylinder intercommunication passageway intercommunication and lower flange intercommunication passageway, can derive oil to the radial outside of cylinder or lower flange below effectively, realize that lubricating oil effectively derives the effect in the oil bath of supreme flange below.

Example 5, as shown in fig. 5, in some embodiments, the cylinder further includes an upper cylinder 121, a partition 16, and a lower cylinder 122, where the upper cylinder 121, the partition 16, and the lower cylinder 122 are sequentially connected from top to bottom, a fifth oil return hole 12101 is provided inside the upper cylinder 121, the fifth oil return hole 12101 extends in an axial direction of the upper cylinder 121, an upper end of the fifth oil return hole 12101 is opposite to and communicated with a lower end of the oil return inclined hole 1109, and the fifth oil return hole 12101 axially penetrates through the upper cylinder 121, so that the lower end of the fifth oil return hole 12101 extends to the lower end surface of the upper cylinder 121;

a sixth oil return hole 1601 and a seventh oil return hole 1602 are arranged inside the partition 16, the sixth oil return hole 1601 extends in the axial direction of the partition 16, the upper end of the sixth oil return hole 1601 is opposite to and communicated with the lower end of the fifth oil return hole 12101, the seventh oil return hole 1602 extends in the radial direction of the partition 16, and one end of the seventh oil return hole 1602 is communicated with the lower end of the sixth oil return hole 1601 while the other end is communicated with the radial outside of the partition 16.

This is the utility model discloses an embodiment 5's preferred structural style, the oil return inclined hole on the last flange communicates with the fifth oil gallery of last cylinder promptly, fifth oil gallery downwardly extending and run through to lower terminal surface, the sixth oil gallery on the baffle extends along the axial, the seventh oil gallery is along radial extension for fifth oil gallery, sixth oil gallery and seventh oil gallery communicate in proper order, thereby derive oil to the cylinder radial outside through the seventh oil gallery, realize that lubricating oil effectively derives the effect in the oil bath of supreme flange below.

The utility model discloses double-cylinder compressor pump body subassembly of embodiment 5, including last flange, upper and lower cylinder, bent axle, upper and lower roller, baffle and lower flange, have as aforementioned pump body oil return circulation runner, its drainage channel is for setting up "L" type passageway that forms of the oil gallery combination jointly on last cylinder and baffle, goes up the cylinder and is provided with cylinder fifth oil gallery, its axial hole for lining up the upper and lower both ends face of cylinder, its entry and the export intercommunication of last flange oil return passageway, be provided with baffle sixth oil gallery and seventh oil gallery on the baffle, the axial blind hole of sixth oil gallery for one end link up the up end of baffle (promptly with last cylinder under terminal surface complex terminal surface), its entry and the export intercommunication of last cylinder fifth oil gallery, the seventh oil gallery feeds through the radial hole of baffle sixth oil gallery and casing lower part oil sump respectively for both ends, and its axial position is less than casing bottom oil level.

The utility model discloses double-cylinder compressor pump body subassembly of embodiment 5, including last flange 11, go up cylinder 121/lower cylinder 122, bent axle 13, go up roller 141/lower roller 142, baffle 16 and lower flange 15, have the utility model discloses the structure pump body oil return circulation runner, its drainage channel is for setting up "L" type passageway that forms for the oil gallery combination jointly on last cylinder 121 and baffle 16. The upper cylinder 121 is provided with an upper cylinder fifth oil return hole 12101, which is an axial hole penetrating through the upper and lower end faces of the upper cylinder 121, and an inlet of the upper cylinder fifth oil return hole is communicated with an outlet of the upper flange oil return passage. The partition 16 is provided with a sixth oil return hole 1601 and a seventh oil return hole 1602 of the partition, the sixth oil return hole 1601 is an axial blind hole with one end penetrating through the upper end face (i.e. the end face matched with the upper cylinder) of the partition 16, an inlet of the sixth oil return hole is communicated with an outlet of a fifth oil return hole 12101 of the upper cylinder, the seventh oil return hole 1602 is a radial hole with two ends respectively communicated with the sixth oil return hole 1601 of the partition and the oil sump 7 at the lower part of the housing, and an axial position of the radial hole is lower than an oil level at the bottom of the housing.

Pump body oil return circulation flow path: the oil sump 7 → the central oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the fifth oil return hole 12101 of the upper cylinder → the sixth oil return hole 1601 of the partition → the seventh oil return hole 1602 of the partition → the oil sump 7.

Example 6, as shown in fig. 6, in some embodiments, the present disclosure further includes an upper cylinder 121, a partition 16, and a lower cylinder 122, where the upper cylinder 121, the partition 16, and the lower cylinder 122 are sequentially connected from top to bottom, a fifth oil return hole 12101 is provided inside the upper cylinder 121, the fifth oil return hole 12101 extends in an axial direction of the upper cylinder 121, an upper end of the fifth oil return hole 12101 is opposite to and communicated with a lower end of the inclined oil return hole 1109, and the fifth oil return hole 12101 axially penetrates through the upper cylinder 121, so that the lower end of the fifth oil return hole 12101 extends to a lower end surface of the upper cylinder 121;

a sixth oil return hole 1601 is arranged inside the partition 16, the sixth oil return hole 1601 extends along the axial direction of the partition 16, the upper end of the sixth oil return hole 1601 is opposite to and communicated with the lower end of the fifth oil return hole 12101, and the sixth oil return hole 1601 axially penetrates through the partition 16, so that the lower end of the sixth oil return hole 1601 extends to the lower end face of the partition 16;

the inside of lower cylinder 122 is provided with eighth oil gallery 12201 and ninth oil gallery 12202, eighth oil gallery 12201 is followed the axial extension of lower cylinder 122 and the upper end of eighth oil gallery 12201 is relative and the intercommunication with the lower extreme of sixth oil gallery 1601, ninth oil gallery 12202 is followed the radial direction of lower cylinder 122 extends, just the one end of ninth oil gallery 12202 with the lower extreme intercommunication of eighth oil gallery 12201, the other end communicates to the radial outside of lower cylinder 122.

This is the utility model discloses an embodiment 6's preferred structural style, the oil return inclined hole on the last flange communicates with the fifth oil gallery of last cylinder promptly, fifth oil gallery downwardly extending and run through to lower terminal surface, sixth oil gallery on the baffle extends and runs through to the lower terminal surface of baffle along the axial, eighth oil gallery on the lower cylinder extends along the axial, ninth oil gallery is along radial extension, make fifth oil gallery, sixth oil gallery and eighth and ninth oil gallery communicate in proper order, thereby derive the oil to the cylinder radial outside through the ninth oil gallery, realize that lubricating oil effectively derives the effect to the flange below.

The utility model discloses double-cylinder compressor pump body subassembly of 6, including last flange, upper and lower cylinder, the bent axle, upper and lower roller, baffle and lower flange, have as aforementioned pump body oil return circulation runner, its drainage channel is for setting up in last cylinder, the baffle, "L" type passageway that forms is made up jointly to the oil gallery on the lower cylinder, go up the cylinder, be provided with cylinder fifth oil gallery on the baffle respectively, baffle sixth oil gallery, go up cylinder fifth oil gallery, baffle sixth oil gallery end to end intercommunication, and for lining up the axial hole of both ends face about last cylinder and the baffle respectively, the entry of going up cylinder fifth oil gallery communicates with the export of last flange oil return channel, be provided with cylinder eighth oil gallery and ninth oil gallery down on the cylinder down, the eighth oil gallery is the axial blind hole that one end runs through the up end face of cylinder down (be with baffle under terminal surface complex terminal surface), its entry communicates with the export of baffle sixth oil gallery, the ninth oil gallery is for the radial hole that both ends run through cylinder eighth oil gallery and casing lower part oil sump under the both ends respectively, its axial position is less than the liquid level bottom the casing.

The utility model discloses double-cylinder compressor pump body subassembly, go up flange 11, go up cylinder 121/lower cylinder 122, bent axle 13, go up roller 141/lower roller 142, baffle 16 and lower flange 15, have the utility model discloses the structure pump body oil return circulation runner, its drainage passageway is for setting up "L" type passageway that forms of the common combination of oil gallery on last cylinder 121, baffle 16, lower cylinder 122, upward be provided with cylinder fifth oil gallery 12101 on cylinder 121, the baffle 16 respectively, the sixth oil gallery 1601 of baffle, the fifth oil gallery 12101 of going up the cylinder, the sixth oil gallery 1601 of baffle, and for lining up the axial hole of both ends face about cylinder 121 and the baffle 16 respectively, the entry of the fifth oil gallery 12101 of going up the cylinder and the export intercommunication of last flange oil return passage. Be provided with the eighth oil gallery 12201 and the ninth oil gallery 12202 of lower cylinder on the lower cylinder, eighth oil gallery 12201 is the axial blind hole that one end runs through the up end of lower cylinder 122 (promptly with baffle complex terminal surface), the export intercommunication of the sixth oil gallery 1601 of its entry and baffle, ninth oil gallery 12202 is the radial hole of the eighth oil gallery 12201 and the casing lower part oil bath 7 of both ends intercommunication lower cylinder respectively, its axial position is less than casing bottom oil level.

Pump body oil return circulation flow path: the oil sump 7 → the center oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the fifth oil return hole 12101 of the upper cylinder → the sixth oil return hole 1601 of the partition plate → the eighth oil return hole 12201 of the lower cylinder → the ninth oil return hole 12202 of the lower cylinder → the oil sump 7.

Example 7, as shown in fig. 7, in some embodiments, the cylinder further includes an upper cylinder 121, a partition 16, a lower cylinder 122, and a lower flange 15, where the upper cylinder 121, the partition 16, the lower cylinder 122, and the lower flange 15 are sequentially connected from top to bottom, a fifth oil return hole 12101 is provided inside the upper cylinder 121, the fifth oil return hole 12101 extends in an axial direction of the upper cylinder 121, an upper end of the fifth oil return hole 12101 is opposite to and communicated with a lower end of the oil return inclined hole 1109, and the fifth oil return hole 12101 axially penetrates through the upper cylinder 121, so that the lower end of the fifth oil return hole 12101 extends to a lower end surface of the upper cylinder 121;

a sixth oil return hole 1601 is arranged inside the partition 16, the sixth oil return hole 1601 extends along the axial direction of the partition 16, the upper end of the sixth oil return hole 1601 is opposite to and communicated with the lower end of the fifth oil return hole 12101, and the sixth oil return hole 1601 axially penetrates through the partition 16, so that the lower end of the sixth oil return hole 1601 extends to the lower end face of the partition 16;

an eighth oil return hole 12201 is formed in the lower cylinder 122, the eighth oil return hole 12201 extends in the axial direction of the lower cylinder 122, the upper end of the eighth oil return hole 12201 is opposite to and communicated with the lower end of the sixth oil return hole 1601, and the eighth oil return hole 12201 axially penetrates through the lower cylinder 122, so that the lower end of the eighth oil return hole 12201 extends to the lower end face of the lower cylinder 122;

the inner portion of the lower flange 15 is provided with a third oil return hole 1501 and a fourth oil return hole 1502, the third oil return hole 1501 extends along the axial direction of the lower flange 15, the upper end of the third oil return hole 1501 is opposite to and communicated with the lower end of the eighth oil return hole 12201, the fourth oil return hole 1502 extends along the radial direction of the lower flange 15, one end of the fourth oil return hole 1502 is communicated with the lower end of the third oil return hole 1501, and the other end of the fourth oil return hole 1502 is communicated with the radial outer portion of the lower flange 15.

This is the utility model discloses an embodiment 7's preferred structural style, the oil return inclined hole on the last flange communicates with the fifth oil gallery of last cylinder promptly, fifth oil gallery downwardly extending and run through to lower terminal surface, sixth oil gallery on the baffle extends and runs through to the lower terminal surface of baffle along the axial, eighth oil gallery on the lower cylinder extends and runs through the lower terminal surface of lower cylinder along the axial, third oil gallery on the lower flange extends along the axial, the fourth oil gallery is along radial extension, make fifth oil gallery, sixth oil gallery and eighth oil gallery and third and fourth oil gallery communicate in proper order, thereby derive the oil to the radial outside of cylinder through the fourth oil gallery, realize that lubricating oil effectively derives the effect of supreme flange below.

The utility model discloses double-cylinder compressor pump body subassembly of embodiment 7, including last flange, upper and lower cylinder, the bent axle, upper and lower roller, baffle and lower flange, have as aforementioned pump body oil return circulation runner, its drainage channel is for setting up in last cylinder, the baffle, lower cylinder, the "L" type passageway that the oil gallery on the lower flange made up jointly forms, go up the cylinder, the baffle, be provided with first oil return hole on the lower cylinder respectively, go up the cylinder, the baffle, fifth oil return hole on the lower cylinder, sixth oil return hole and eighth oil return hole head and the tail intercommunication, and for lining up the axial hole of last cylinder, the baffle, both ends face about the lower cylinder respectively, the entry of going up cylinder fifth oil return hole communicates with the export of last flange oil return channel, be provided with lower flange third oil return hole and fourth oil return hole on the lower flange, the third oil return hole is the axial blind hole of the up end face of flange under one end (namely with the lower cylinder end face complex terminal surface under with) down, its entry communicates with the export of eighth oil return hole of lower cylinder, the axial blind hole is less than the oil return hole of lower flange for both ends respectively, the radial oil return hole of both ends lower part is less than the oil level position of the casing.

The utility model discloses go up flange 11, go up cylinder 121/lower cylinder 122, bent axle 13, go up roller 141/lower roller 142, baffle 16 and lower flange 15, have the structure pump body oil return circulation runner, its drainage channel is for setting up "L" type passageway that forms for the oil gallery combination jointly on last cylinder 121, baffle 16, lower cylinder 122, lower flange 15, go up cylinder 121, baffle 16, be provided with fifth oil gallery 12101 on the lower cylinder 122 respectively, sixth oil gallery 1601 and eighth oil gallery 12201, go up cylinder 121, baffle 16, the oil gallery head and the tail intercommunication on the lower cylinder 122, and for link up the axial hole of both ends face about cylinder 121, baffle 16, lower cylinder 122 respectively, the entry of the fifth oil gallery 12101 of going up the cylinder communicates with the export of last flange oil gallery. The lower flange 15 is provided with a third oil return hole 1501 of the lower flange and a fourth oil return hole 1502, the third oil return hole 1501 is an axial blind hole with one end penetrating through the upper end face (namely the end face matched with the lower cylinder) of the lower flange 15, the inlet of the third oil return hole is communicated with the outlet of an eighth oil return hole 12201 of the lower cylinder, the fourth oil return hole 1502 is a radial hole with two ends respectively communicated with the third oil return hole 1501 of the lower flange and the oil sump 7 at the lower part of the shell, and the axial position of the fourth oil return hole is lower than the oil level at the bottom of the shell.

Pump body oil return circulation flow path: the oil sump 7 → the central oil hole 1301 of the crankshaft → the side oil hole 1302 → the upper spiral oil groove (the upper oil groove 1101) → the oil storage groove 1102 → the upper flange oil return passage → the fifth oil return hole 12101 of the upper cylinder → the sixth oil return hole 1601 of the partition → the eighth oil return hole 12201 of the lower cylinder → the third oil return hole 1501 of the lower flange → the fourth oil return hole 1502 of the lower flange → the oil sump 7.

Example 8, as shown in fig. 8,8-1, in some embodiments, the second oil return hole 1202 has a gradually increasing cross-sectional flow area along a radially outward direction. The utility model discloses pump body oil return circulation runner, its drainage channel's the transversal flow area who is close to the oil gallery of export is crescent along with the backward flow direction to make the lubricating oil velocity of flow in exit reduce, when improving the liquid stream noise that lubricating oil pump income back arouses because of strikeing liquid in the bottom of a pool fluid, reduce the flow resistance loss, improve the efficiency.

Preferably, the utility model discloses the pump body oil return circulation runner of innovation structure, its drainage channel's the transversal flow area who is close to second oil gallery 1202 of export increases along the backward flow direction gradually to make the lubricating oil velocity of flow in exit reduce, when improving the liquid stream noise that lubricating oil pump income back arouses because of the impact liquid in the bottom of a pool fluid, reduce the flow resistance loss, improve the efficiency.

Example 9, as shown in fig. 9 and 9-1, in some embodiments, an avoiding groove 1603 is cut on the partition 16 and located at an outlet end of the seventh oil return hole 1602, a radially inner end of the avoiding groove 1603 is communicated with the outlet end of the seventh oil return hole 1602, and a cross-sectional flow area of the avoiding groove 1603 is gradually increased along a fluid flowing direction. The utility model discloses a pump body oil return circulation runner, its drainage channel, include first oil return hole, second oil return hole and dodge the recess, dodge the recess and set up in the exit end of second oil return hole, towards pump body the central axis's direction indent, and the indent dodge the transversal oblique area of recess be greater than the transversal flow area of drainage channel's export to when making drainage channel's export keep away from shells inner wall, reduce the export velocity of flow. The utility model discloses pump body oil return circulation runner of innovation structure, its drainage channel includes fifth oil gallery 12101 and sixth oil gallery 1601, seventh oil gallery 1602 and dodges recess 1603. The avoiding groove 1603 is arranged at the outlet end of the seventh oil return hole 1602 and is recessed towards the direction of the central axis of the pump body, and the transverse oblique area, perpendicular to the flow direction, of the recessed avoiding groove 1603 is larger than the transverse flow area at the outlet of the seventh oil return hole 1602 of the flow guide channel, so that the outlet of the flow guide channel is far away from the inner wall of the shell, and the outlet flow speed is reduced.

The utility model also provides a pump body, it includes preceding arbitrary pump body oil circuit structure, still include bent axle 13, bent axle 13 wears to establish the entering in the shaft hole of upper flange 11. The utility model discloses alternatively, its drainage channel's second oil gallery can set up in other cylinders and baffles except single cylinder, double-cylinder pump body subassembly pump body part on.

In some embodiments, a central oil hole 1301 and a side oil hole 1302 are provided inside the crankshaft 13, the central oil hole 1301 extends in the axial direction of the crankshaft 13, the side oil hole 1302 extends in the radial direction of the crankshaft 13, one end of the side oil hole 1302 communicates with the central oil hole 1301, the other end extends to communicate with the radially outer side of the crankshaft 13, and the side oil hole 1302 is opposite to the inner wall of the upper flange 11 so as to be able to deliver oil into the upper oil groove 1101.

The utility model also provides a compressor, it includes aforementioned pump body.

The utility model discloses a compressor has the pump body subassembly of structural feature, the compressor can be single cylinder, double-cylinder, multi-cylinder rotor compressor, does for revolving cylinder compressor, gleitbretter compressor, scroll compressor etc..

The utility model discloses still protect an air conditioner, have the structure characteristics's compressor.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (22)

1. The utility model provides a pump body oil circuit structure which characterized in that: the method comprises the following steps:

go up flange (11), be provided with on the shaft hole inner wall of upper flange oil groove (1101), oil storage tank (1102) and lower oil groove (1103), the lower extreme of going up oil groove (1101) can be used for inhaleing oil, go up oil groove (1101) upwards extend to its upper end with oil storage tank (1102) intercommunication, oil storage tank (1102) are in along the horizontal direction extend on the inner wall of upper flange (11), the upper end of lower oil groove (1103) with oil storage tank (1102) intercommunication, in order to follow inhale oil in oil storage tank (1102), oil groove (1103) downwardly extending down, the inside of upper flange (11) still is provided with oil return inclined hole (1109), oil return inclined hole (1109) slope downwardly extending, just the upper end of oil return inclined hole (1109) with the lower extreme intercommunication of lower oil groove (1103), the lower extreme of oil return inclined hole (1109) extends to the lower terminal surface of upper flange (11) is in order to can lead out oil to in the oil pool of the below of upper flange (11).

2. The pump body oil passage structure according to claim 1, characterized in that:

the oil return inclined hole (1109) is a straight hole, and the oil return inclined hole and the horizontal direction all are the slope setting, the extending direction of oil return inclined hole (1109) with the axial of going up flange (11) presss from both sides the contained angle of establishing between (0, 90 °), just the extending direction of oil return inclined hole (1109) presss from both sides the contained angle of establishing between (0, 90 °) with the horizontal direction, the axial of going up flange (11) is along vertical direction, the axial terminal surface of going up flange (11) is along the horizontal direction.

3. The pump body oil passage structure according to claim 1, characterized in that:

the oil return device is characterized in that an annular flexible groove (1106) is further formed in the upper flange (11), the annular flexible groove (1106) is located on the periphery of the inner wall of the shaft hole and is spaced at a preset distance from the inner wall of the shaft hole, and the joint end of the oil return inclined hole (1109) and the lower oil groove (1103) is located above the upper end of the annular flexible groove (1106).

4. The pump body oil passage structure according to claim 1, characterized in that:

the upper oil groove (1101) is a spiral oil groove structure formed in the inner wall of the upper flange (11), the upper oil groove (1101) extends upwards in a spiral manner from the lower end to the upper end of the upper oil groove, the rotating direction of the upper oil groove (1101) from the lower end to the upper end of the upper oil groove is the same as that of a crankshaft, and the upper flange is sleeved on the periphery of the crankshaft; the lower oil groove (1103) is a spiral oil groove structure formed in the inner wall of the upper flange (11), the lower oil groove (1103) extends downwards in a spiral manner from the upper end to the lower end of the lower oil groove, and the rotating direction of the lower oil groove (1103) from the upper end to the lower end of the lower oil groove is the same as that of the crankshaft.

5. The pump body oil passage structure according to claim 1, characterized in that:

the upper end of the upper oil groove (1101) is communicated with a first position of the oil storage groove (1102), the upper end of the lower oil groove (1103) is communicated with a second position of the oil storage groove (1102), and the first position and the second position are located at different positions.

6. The pump body oil passage structure according to claim 5, characterized in that:

the oil reservoir (1102) includes a first end and a second end along a horizontal direction, the first position is disposed adjacent to or coincident with the first end relative to the second end, and the second position is disposed adjacent to or coincident with the second end relative to the first end.

7. The pump body oil passage structure according to claim 1, characterized in that:

the pump body oil circuit structure further comprises a cylinder (12) and a lower flange (15), wherein the cylinder (12) is arranged between the upper flange (11) and the lower flange (15); an air cylinder communicating channel is formed in the air cylinder (12), the oil return inclined hole (1109) is communicated with the air cylinder communicating channel, and oil can be discharged into the oil pool through the air cylinder communicating channel; or be provided with cylinder intercommunication passageway on cylinder (12) and be provided with lower flange intercommunication passageway on lower flange (15), oil return inclined hole (1109) in proper order with cylinder intercommunication passageway with lower flange intercommunication passageway intercommunication, can pass through cylinder intercommunication passageway with lower flange intercommunication passageway with the oil drain extremely in the oil bath.

8. The pump body oil passage structure according to claim 7, characterized in that:

the cylinder communication channel comprises a first oil return hole (1201) and a second oil return hole (1202) which are arranged inside the cylinder, the first oil return hole (1201) extends along the axial direction of the cylinder (12), the upper end of the first oil return hole (1201) is opposite to and communicated with the lower end of the oil return inclined hole (1109), the second oil return hole (1202) extends along the radial direction of the cylinder (12), one end of the second oil return hole (1202) is communicated with the lower end of the first oil return hole (1201), and the other end of the second oil return hole is communicated with the radial outside of the cylinder (12).

9. The pump body oil passage structure according to claim 8, characterized in that:

the flow cross-sectional area of the second oil return hole (1202) is gradually increased along the radial outward direction.

10. The pump body oil passage structure according to claim 7, characterized in that:

the cylinder communication channel comprises a first oil return hole (1201) arranged in the cylinder, the first oil return hole (1201) extends along the axial direction of the cylinder (12), the upper end of the first oil return hole (1201) is opposite to and communicated with the lower end of the oil return inclined hole (1109), and the first oil return hole (1201) penetrates through the cylinder (12) along the axial direction, so that the lower end of the first oil return hole (1201) extends to the lower end surface of the cylinder (12);

the lower flange communication channel comprises a third oil return hole (1501) and a fourth oil return hole (1502) which are arranged inside the lower flange, the third oil return hole (1501) extends along the axial direction of the lower flange (15), the upper end of the third oil return hole (1501) is opposite to and communicated with the lower end of the first oil return hole (1201), the fourth oil return hole (1502) extends along the radial direction of the lower flange (15), one end of the fourth oil return hole (1502) is communicated with the lower end of the third oil return hole (1501), and the other end of the fourth oil return hole is communicated with the radial outside of the lower flange (15).

11. The pump body oil passage structure according to claim 7, characterized in that:

the cylinder communication channel comprises a first oil return hole (1201) arranged inside the cylinder, the first oil return hole (1201) extends along the axial direction of the cylinder (12), the upper end of the first oil return hole (1201) is opposite to and communicated with the lower end of the oil return inclined hole (1109), and the first oil return hole (1201) penetrates through the cylinder (12) along the axial direction, so that the lower end of the first oil return hole (1201) extends to the lower end surface of the cylinder (12);

the lower flange communication channel comprises a third oil return hole (1501) arranged inside the lower flange, the third oil return hole (1501) extends along the axial direction of the lower flange (15), the upper end of the third oil return hole (1501) is opposite to and communicated with the lower end of the first oil return hole (1201), and the third oil return hole (1501) axially penetrates through the lower flange (15) to enable the lower end of the third oil return hole (1501) to extend to the lower end face of the lower flange (15) so as to conduct oil to the lower side of the lower flange (15).

12. The pump body oil passage structure according to claim 7, characterized in that:

the cylinder intercommunication passageway including set up in oblique oil groove (1203) of the up end of cylinder (12), oblique oil groove (1203) are for following the up end of cylinder (12) extends to through the cutting the chute of the radial outer circumference of cylinder (12), the upper end of oblique oil groove (1203) with the lower extreme intercommunication of oil return inclined hole (1109), the lower extreme slope of oblique oil groove (1203 extends to the radial periphery of cylinder (12) to can lead to oil the radial outside of cylinder (12).

13. The pump body oil passage structure according to claim 12, wherein:

the included angle between the oil return inclined hole (1109) and the horizontal direction is alpha, the included angle between the extending direction from the upper end to the lower end of the inclined oil groove (1203) and the horizontal direction is beta, and alpha is not more than beta.

14. The pump body oil passage structure according to claim 1, characterized in that:

the pump body oil circuit structure further comprises an upper air cylinder (121), a partition plate (16), a lower air cylinder (122) and a lower flange (15), wherein the upper flange (11), the upper air cylinder (121), the partition plate (16), the lower air cylinder (122) and the lower flange (15) are sequentially connected in the axial direction;

an upper cylinder communicating channel is arranged in the upper cylinder (121), the oil return inclined hole (1109) is communicated with the upper cylinder communicating channel, and oil can be discharged into the oil pool through the upper cylinder communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder (121), a partition plate communicating channel is arranged in the partition plate (16), the oil return inclined hole (1109) is sequentially communicated with the upper cylinder communicating channel and the partition plate communicating channel, and oil can be discharged into the oil pool sequentially through the upper cylinder communicating channel and the partition plate communicating channel;

or an upper cylinder communicating channel is arranged in the upper cylinder (121), a partition plate communicating channel is arranged in the partition plate (16), a lower cylinder communicating channel is arranged in the lower cylinder (122), and the oil return inclined hole (1109) is sequentially communicated with the upper cylinder communicating channel, the partition plate communicating channel and the lower cylinder communicating channel and can discharge oil to the oil pool sequentially through the upper cylinder communicating channel, the partition plate communicating channel and the lower cylinder communicating channel;

or go up cylinder (121) inside be provided with cylinder intercommunication passageway, baffle (16) inside be provided with baffle intercommunication passageway, cylinder intercommunication passageway and flange intercommunication passageway down are provided with down to lower cylinder (122) inside, oil return inclined hole (1109) in proper order with go up cylinder intercommunication passageway baffle intercommunication passageway down cylinder intercommunication passageway with flange intercommunication passageway intercommunication down can loop through go up cylinder intercommunication passageway baffle intercommunication passageway with lower cylinder intercommunication passageway with lower flange intercommunication passageway intercommunication can loop through down cylinder intercommunication passageway with cylinder intercommunication passageway and lower flange intercommunication passageway arrange oil extremely in the oil bath.

15. The pump body oil passage structure according to claim 14, characterized in that:

the upper cylinder communication channel comprises a fifth oil return hole (12101) arranged inside the upper cylinder (121), the fifth oil return hole (12101) extends along the axial direction of the upper cylinder (121), the upper end of the fifth oil return hole (12101) is opposite to and communicated with the lower end of the oil return inclined hole (1109), and the fifth oil return hole (12101) axially penetrates through the upper cylinder (121), so that the lower end of the fifth oil return hole (12101) extends to the lower end face of the upper cylinder (121);

the baffle intercommunication passageway including set up in the inside sixth oil gallery (1601) and seventh oil gallery (1602) of baffle (16), sixth oil gallery (1601) are followed the axial extension of baffle (16) just the upper end of sixth oil gallery (1601) with the lower extreme of fifth oil gallery (12101) is relative and the intercommunication, seventh oil gallery (1602) are followed the radial direction of baffle (16) extends, just the one end of seventh oil gallery (1602) with the lower extreme intercommunication of sixth oil gallery (1601), the other end intercommunication to the radial outside of baffle (16).

16. The pump body oil passage structure according to claim 15, characterized in that:

an avoiding groove (1603) is formed in the partition plate (16) and located at the outlet end of the seventh oil return hole (1602) in a cutting mode, the radial inner end of the avoiding groove (1603) is communicated with the outlet end of the seventh oil return hole (1602), and the flow cross-sectional area of the avoiding groove (1603) is gradually increased along the flowing direction of fluid.

17. The pump body oil passage structure according to claim 14, wherein:

the upper cylinder communication channel comprises a fifth oil return hole (12101) arranged inside the upper cylinder (121), the fifth oil return hole (12101) extends along the axial direction of the upper cylinder (121), the upper end of the fifth oil return hole (12101) is opposite to and communicated with the lower end of the oil return inclined hole (1109), and the fifth oil return hole (12101) axially penetrates through the upper cylinder (121), so that the lower end of the fifth oil return hole (12101) extends to the lower end face of the upper cylinder (121);

the partition communicating channel comprises a sixth oil return hole (1601) arranged inside the partition (16), the sixth oil return hole (1601) extends along the axial direction of the partition (16), the upper end of the sixth oil return hole (1601) is opposite to and communicated with the lower end of the fifth oil return hole (12101), and the sixth oil return hole (1601) axially penetrates through the partition (16) so that the lower end of the sixth oil return hole (1601) extends to the lower end face of the partition (16);

the lower cylinder communication channel comprises an eighth oil return hole (12201) and a ninth oil return hole (12202) which are arranged inside the lower cylinder (122), the eighth oil return hole (12201) extends along the axial direction of the lower cylinder (122), the upper end of the eighth oil return hole (12201) is opposite to and communicated with the lower end of the sixth oil return hole (1601), the ninth oil return hole (12202) extends along the radial direction of the lower cylinder (122), one end of the ninth oil return hole (12202) is communicated with the lower end of the eighth oil return hole (12201), and the other end of the ninth oil return hole is communicated with the radial outside of the lower cylinder (122).

18. The pump body oil passage structure according to claim 14, characterized in that:

the upper cylinder communication channel comprises a fifth oil return hole (12101) arranged inside the upper cylinder (121), the fifth oil return hole (12101) extends along the axial direction of the upper cylinder (121), the upper end of the fifth oil return hole (12101) is opposite to and communicated with the lower end of the oil return inclined hole (1109), and the fifth oil return hole (12101) axially penetrates through the upper cylinder (121), so that the lower end of the fifth oil return hole (12101) extends to the lower end face of the upper cylinder (121);

the partition communicating channel comprises a sixth oil return hole (1601) arranged inside the partition (16), the sixth oil return hole (1601) extends along the axial direction of the partition (16), the upper end of the sixth oil return hole (1601) is opposite to and communicated with the lower end of the fifth oil return hole (12101), and the sixth oil return hole (1601) axially penetrates through the partition (16) so that the lower end of the sixth oil return hole (1601) extends to the lower end face of the partition (16);

the lower cylinder communication channel comprises an eighth oil return hole (12201) arranged inside the lower cylinder (122), the eighth oil return hole (12201) extends along the axial direction of the lower cylinder (122), the upper end of the eighth oil return hole (12201) is opposite to and communicated with the lower end of the sixth oil return hole (1601), and the eighth oil return hole (12201) axially penetrates through the lower cylinder (122) so that the lower end of the eighth oil return hole (12201) extends to the lower end face of the lower cylinder (122);

the lower flange communication channel comprises a third oil return hole (1501) and a fourth oil return hole (1502) which are arranged inside the lower flange (15), the third oil return hole (1501) extends along the axial direction of the lower flange (15), the upper end of the third oil return hole (1501) is opposite to and communicated with the lower end of the eighth oil return hole (12201), the fourth oil return hole (1502) extends along the radial direction of the lower flange (15), one end of the fourth oil return hole (1502) is communicated with the lower end of the third oil return hole (1501), and the other end of the fourth oil return hole is communicated with the radial outside of the lower flange (15).

19. A pump body, characterized by: the pump body oil circuit structure according to any one of claims 1 to 18, further comprising a crankshaft (13), the crankshaft (13) being inserted into a shaft hole of the upper flange (11).

20. The pump body according to claim 19, characterized in that:

the crankshaft (13) is internally provided with a central oil hole (1301) and a side oil hole (1302), the central oil hole (1301) extends along the axial direction of the crankshaft (13), the side oil hole (1302) extends along the radial direction of the crankshaft (13), one end of the side oil hole (1302) is communicated with the central oil hole (1301), the other end of the side oil hole extends to be communicated with the radial outer side of the crankshaft (13), and the side oil hole (1302) is opposite to the inner wall of the upper flange (11) so as to convey oil into the upper oil groove (1101).

21. A compressor, characterized by: comprising a pump body according to claim 19 or 20.

22. An air conditioner, characterized in that: comprising the compressor of claim 21.

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