CN217152307U

CN217152307U - Oil-gas separator for vehicle-mounted screw air compressor

Info

Publication number: CN217152307U
Application number: CN202121492319.2U
Authority: CN
Inventors: 陈云; 吴嘉祺; 吴银波; 孙爱婷
Original assignee: Suzhou Trainscrew Compressor Co ltd
Current assignee: Suzhou Trainscrew Compressor Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-08-09
Anticipated expiration: 2031-06-30

Abstract

The utility model provides an oil-gas separator for vehicle-mounted screw air compressor, including upper housing and lower housing of lock from top to bottom, the upper housing top is equipped with the oil gas import, the oil gas import top is connected with the screw rod host computer and is regarded as main oil-gas mixture entry, the interior pipe that admits air that is equipped with in the upper housing of oil gas import department, be equipped with the side direction opening on the lateral wall of the interior pipe that admits air, be equipped with the outer tube on the upper housing inner wall of the inner pipe periphery that admits air, and the side direction opening part is equipped with the turning baffle, turning baffle both ends are connected with outer tube inner wall and the interior pipe outer wall of admitting air respectively, the outer tube extends downwards to the fluid liquid level top in the lower housing along the axial, and separate with between the fluid liquid level; a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell. Through setting up soon to baffle, outer tube and baffle, can reduce oil-gas mixture's speed fast, and have the characteristics that oil-gas separation is efficient, purity is high.

Description

Oil-gas separator for vehicle-mounted screw air compressor

Technical Field

The utility model relates to an oil-gas separation technical field especially relates to an oil-gas separator for vehicle-mounted screw air compressor.

Background

The vehicle-mounted screw air compressor is a core device of an automobile pneumatic system, ambient air is sucked into the compression main machine, the volume of the main machine is changed by the meshing motion of a male rotor and a female rotor in the main machine, and meanwhile, the screw is continuously sprayed with oil, lubricated and cooled in a cavity, so that heated oil-gas mixture is generated. The oil-gas mixture can enter a pneumatic system after oil-gas separation. The main component for realizing oil-gas separation is an oil-gas separator, and the structure of the existing oil-gas separator has the defects that the flow rate of compressed gas is too high, so that the oil-gas separation is not thorough, and the noise is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: in order to overcome the not enough among the prior art, the utility model provides a novel oil and gas separator for vehicle-mounted screw air compressor.

The utility model provides a technical scheme that its technical problem will adopt is: an oil-gas separator for a vehicle-mounted screw air compressor comprises an upper shell and a lower shell which are buckled up from top to bottom, wherein an oil-gas inlet is formed in the upper part of the upper shell, the upper part of the oil-gas inlet is connected with a screw host machine to serve as a main oil-gas mixing inlet, in order to quickly reduce the flow rate of oil-gas and separate the oil-gas, an air inlet inner pipe is arranged in the upper shell at the oil-gas inlet position, a lateral opening is formed in the side wall of the air inlet inner pipe, an outer sleeve is arranged on the inner wall of the upper shell at the periphery of the air inlet inner pipe, a turning baffle is arranged at the lateral opening and is arc-shaped, the airflow direction of the lateral opening is right opposite to the turning baffle, so that spiral airflow is generated under the action of the turning baffle, the rotary separation of an oil-gas mixture is realized, the two ends of the turning baffle are respectively connected with the inner wall of the outer sleeve and the outer wall of the air inlet inner pipe, the outer sleeve extends downwards to the upper part of an oil liquid level in the lower shell along the axial direction, and is separated from the oil liquid level.

Furthermore, in order to reduce the speed of the airflow and improve the separation efficiency, a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell.

Furthermore, a plurality of outer reinforcing ribs of the lower shell are arranged on the outer wall of the lower shell. On the one hand, the shell can be firmer through the reinforcing ribs, on the other hand, the oil gas temperature can rise when oil gas is compressed, and therefore the reinforcing ribs also improve the heat dissipation capacity of the lower shell.

Further, in order to derive the compressed gas after the separation, go up and still be equipped with the separator gas outlet on the casing, the compressed gas who comes out from the separator gas outlet still can carry certain oil more or less, consequently separator gas outlet department sets up the spiral guiding gutter, and separator gas outlet upper shield is equipped with the thin separator of oil, the inside thin separator rod that is equipped with of thin separator of oil that is equipped with of oil, spiral guiding gutter coils along thin separator rod of oil, thin separator rod lower extreme is connected with the last casing of separator gas outlet department of oil, and thin separator rod of oil is hollow structure, and the upper end is connected with the inside intercommunication of thin separator of oil, and the lower extreme is connected with the exhaust on the last casing through the elbow in the upper casing. The compressed gas comes out from the gas outlet of the separator, forms spiral gas flow along the spiral diversion trench, the liquid in the gas under the action of centrifugal force is attached to the inner wall of the oil fine separator and then flows back into the spiral diversion trench, and the gas at the top is connected into a gas tank or a pneumatic system through an exhaust elbow through the oil fine separation rod.

Further, in advancing the screw host computer in order to make the inside backward flow of oil fine separator, still be equipped with the oil return interface on the last casing, the oil return interface with the inside guiding gutter intercommunication of oil fine separator, and the oil return interface passes through the pipe connection to the terminal bearing of screw rod host computer aircraft nose for in leading back the screw rod host computer with the fluid of guiding gutter, be used for the lubrication of bearing.

Further, an oil filter interface is further arranged on the upper shell, an oil filter is covered on the oil filter interface, the oil filter is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface is communicated with the inside of the oil-gas separator; be equipped with the oil drain port down on the casing, the oil drain port passes through the second position of tube coupling to spiral host computer, and first position is located the below of second position.

The oil filter is mainly used for filtering oil of the spiral main machine, oil liquid in the spiral main machine is guided to the oil filter through a pipeline and enters the oil-gas separator after being filtered, dissipated and silenced through the oil filter, and the oil liquid at the bottom in the oil-gas separator flows back into the spiral main machine through the pipeline in a guiding mode, so that the filtering and heat dissipation of the oil liquid in the spiral main machine are achieved.

Furthermore, in order to improve the strength and the heat dissipation capacity of the upper shell, a plurality of upper shell inner reinforcing ribs extending along the axial direction are circumferentially arranged on the inner wall of the upper shell.

Furthermore, in order to realize the connection between the upper shell and the lower shell, the outer edge of the connecting surface of the upper shell and the lower shell is respectively provided with an upper shell connecting hole and a lower shell connecting hole, and the upper shell connecting hole and the lower shell connecting hole are in one-to-one correspondence up and down and are connected through screws.

The utility model has the advantages that: the utility model provides a pair of oil and gas separator for vehicle-mounted screw air compressor can reduce oil-gas mixture's speed fast, and has the characteristics that oil-gas separation efficiency is high, purity is high.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an assembly structure schematic diagram of the oil-gas separator of the present invention.

Fig. 2 is a schematic structural diagram of the oil-gas separator of the present invention.

Fig. 3 is a schematic structural view of the upper case.

Fig. 4 is a schematic view of the lower housing structure.

In the figure: 100. 200 parts of an oil-gas separator, a screw main machine, 300 parts of an oil-gas separator, 400 parts of an oil filter, 1 part of an upper shell, 11 parts of an oil-gas inlet, 12 parts of an oil filling port, 13 parts of an oil filter interface, 14 parts of an oil inlet, 15 parts of a safety valve interface, 16 parts of a separator air outlet, 17 parts of an exhaust elbow, 18 parts of an oil return interface, 19 parts of an unloading interface, 1A parts of an upper shell inner reinforcing rib, 1B parts of an upper shell connecting hole, 2 parts of a lower shell, 21 parts of an oil discharging port, 22 parts of a baffle, 23 parts of a lower shell outer reinforcing rib, 24 parts of a lower shell connecting hole, 3 parts of an outer sleeve, 4 parts of a turning baffle, 5 parts of an oil-gas fine separating rod, 6 parts of an air inlet inner pipe.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1-fig. 1, the oil-gas separator 100 for the vehicle-mounted screw air compressor of the present invention comprises an upper casing 1 and a lower casing 2 which are fastened together, wherein an oil-gas inlet 11 is disposed above the upper casing 1, the upper part of the oil-gas inlet 11 is connected with a screw main machine 200 as a main oil-gas mixing inlet, an air inlet inner tube 6 is disposed in the upper casing 1 at the oil-gas inlet 11, a lateral opening is disposed on a sidewall of the air inlet inner tube 6, an outer sleeve 3 is disposed on an inner wall of the upper casing 1 at the periphery of the air inlet inner tube 6, a turning baffle 4 is disposed at the lateral opening, the turning baffle 4 is arc-shaped, an airflow direction of the lateral opening is opposite to the turning baffle 4, so as to generate a spiral airflow under the action of the turning baffle 4, two ends of the turning baffle 4 are respectively connected with an inner wall of the outer sleeve 3 and an outer wall of the air inlet inner tube 6, the outer sleeve 3 extends downwards along an axial direction to a liquid level in the lower casing 2, and is separated from the oil liquid level. A plurality of baffles 22 extending along the axial direction are circumferentially distributed on the inner wall of the lower shell 2; the outer wall is provided with a plurality of lower shell outer strengthening ribs 23 for strengthening and heat dissipation.

In order to lead out the compressed gas after separation, still be equipped with separator gas outlet 16 on the last casing 1, the compressed gas who comes out from separator gas outlet 16 still can carry certain oil more or less, consequently, separator gas outlet 16 department sets up the spiral guiding gutter, and separator gas outlet 16 upper shield is equipped with fine oil separator 300, fine oil separator 300 inside is equipped with fine oil separating rod 5, and the spiral guiding gutter coils along fine oil separating rod 5, fine oil separating rod 5 lower extreme is connected with last casing 1 of separator gas outlet 16 department, and fine oil separating rod 5 is hollow structure, and the upper end is connected with fine oil separating rod 300 inside, and the lower extreme is connected with exhaust elbow 17 on the last casing 1 through the pipeline in last casing 1. The compressed gas comes out from the gas outlet 16 of the separator, forms a spiral gas flow along the spiral diversion trench, the liquid in the gas acted by the centrifugal force is attached to the inner wall of the oil-fine separator 300 and then flows back into the spiral diversion trench, and the gas at the top is connected into a gas tank or a pneumatic system through the oil-fine separation rod 5 and the exhaust elbow 17.

In order to make the inside backward flow of thin separator 300 of oil advance the spiral host computer, still be equipped with oil return interface 18 on the upper casing 1, oil return interface 18 with the inside guiding gutter intercommunication of thin separator 300 of oil, and oil return interface 18 is through the bearing of tube coupling to screw rod host computer 200 aircraft nose end for in leading back screw rod host computer 200 with the fluid of guiding gutter, be used for the lubrication of bearing. An unloading interface 19 is further arranged on the upper shell 1 below the oil return interface 18, and the unloading interface 19 is connected to a machine head of the screw main machine 200 through a pipeline.

The upper shell 1 is also provided with an oil filter interface 13, the oil filter 400 is covered on the oil filter interface 13, an oil inlet 14 of the oil filter 400 is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface 13 is communicated with the inside of the oil-gas separator 100; an oil drain port 21 is formed in the lower shell 2, the oil drain port 21 is connected to the second position of the spiral main machine through a pipeline, and the first position is located below the second position.

In order to supplement the oil in the screw main body, the upper shell 1 is also provided with an oil filling port 12 for supplementing hydraulic oil. In order to improve the strength and the heat dissipation capacity of the upper shell 1, a plurality of upper shell inner reinforcing ribs 1A extending along the axial direction are circumferentially arranged on the inner wall of the upper shell 1. The upper shell 1 is also provided with a safety valve interface 15 for installing a safety valve; in order to realize the connection between the upper shell 1 and the lower shell 2, the outer edge of the connecting surface of the upper shell 1 and the lower shell 2 is respectively provided with an upper shell connecting hole AB and a lower shell connecting hole 24, and the upper shell connecting hole AB and the lower shell connecting hole 24 are in one-to-one correspondence up and down and are connected through screws.

The working principle is as follows:

the oil-gas mixture enters the air inlet inner pipe 6 from the oil-gas inlet 11, is flushed from a lateral opening on the side wall of the air inlet inner pipe 6 and impacts the rotating baffle 4, so that the entering oil-gas mixture generates spiral rotation, the oil-gas mixture spirally rotates downwards along the inner side wall of the outer sleeve 3, large granular liquid in the oil-gas mixture is attached to the inner wall of the outer sleeve 3 under the action of centrifugal force and can flow downwards along the inner wall and drop into oil liquid below the lower shell 2; the spiral oil-gas mixture in outer tube 3 is dispersed behind the fluid liquid level of striking below, then the air current along the inner wall spiral of casing 2 rises down, strikes and slows down the air current that spiral rises on the baffle 22 of inner wall, and simultaneously fluid can be hung on baffle 22 and attached to on the inner wall of casing 2 down under the centrifugal force effect, further realizes oil-gas separation.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an on-vehicle screw rod oil and gas separator for air compressor which characterized in that: including last casing and lower casing of upper and lower lock, it is equipped with the oil gas import to go up the casing top, the oil gas import top is connected as main oil gas mixture entry with the screw rod host computer, be equipped with the inner tube that admits air in the upper shell of oil gas import department, be equipped with the side direction opening on the lateral wall of the inner tube that admits air, be equipped with the outer tube on the inner tube outlying last shells inner wall of admitting air, just the side direction opening part is equipped with to the baffle soon, revolve to baffle both ends respectively with the inner tube inner wall of outer tube and the inner tube outer wall connection that admits air, the outer tube along the axial downwardly extending to the fluid liquid level top in the lower casing, and with the separation between the fluid liquid level.

2. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: and a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell.

3. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 2, wherein: and a plurality of outer reinforcing ribs of the lower shell are arranged on the outer wall of the lower shell.

4. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: go up still to be equipped with the separator gas outlet on the casing, separator gas outlet department is equipped with the spiral guiding gutter, and the separator gas outlet upper shield is equipped with the thin separator of oil, the thin separator pole of oil inside being equipped with of separator, the thin separator pole lower extreme of oil is connected with the last casing of separator gas outlet department, and the thin separator pole of oil be hollow structure, and the upper end is connected with the inside intercommunication of thin separator of oil, and the lower extreme passes through the pipeline in the last casing and is connected with the exhaust elbow on the last casing.

5. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 4, wherein: the upper shell is further provided with an oil return interface, the oil return interface is communicated with a flow guide groove in the oil fine separator, and the oil return interface is connected to the screw host through a pipeline.

6. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: the upper shell is also provided with an oil filter interface, the oil filter interface is covered with an oil filter, the oil filter is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface is communicated with the inside of the oil-gas separator; be equipped with the oil drain port down on the casing, the oil drain port passes through the second position of tube coupling to spiral host computer, and first position is located the below of second position.

7. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: and a plurality of upper shell inner reinforcing ribs extending along the axial direction are circumferentially arranged on the inner wall of the upper shell.

8. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: the outer edge of the connecting surface of the upper shell and the lower shell is respectively provided with an upper shell connecting hole and a lower shell connecting hole, and the upper shell connecting hole and the lower shell connecting hole are in one-to-one correspondence up and down and are connected through screws.