CN216866957U

CN216866957U - Compressor with oil return system

Info

Publication number: CN216866957U
Application number: CN202220055596.5U
Authority: CN
Inventors: 朱丽萍
Original assignee: BAOJI JIEFENG METALLURGICAL EQUIPMENT CO LTD
Current assignee: BAOJI JIEFENG METALLURGICAL EQUIPMENT CO LTD
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-01
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a compressor with an oil return system, which comprises a shell, wherein the top surface of the shell is provided with an air inlet hole, the top surface of the shell is provided with an exhaust fan, the inner circle wall surface of the air inlet hole is fixedly sleeved with the outer circle wall surface of an exhaust pipe of the exhaust fan, the top surface of the shell is provided with a discharge hole, a dust removal component for reducing the dust content is arranged inside the shell, the dust removal component comprises an air storage box, the air storage box is fixedly sleeved on the inner circle wall surface of the shell, the top surface of the air storage box is provided with a straight-through hole, the inner circle wall surface of the straight-through hole is fixedly sleeved with a flow guide pipe, one end of the flow guide pipe penetrates through the straight-through hole and extends into the air storage box, and the air storage box can temporarily store the air just drawn out from the external environment, and then is conveyed out after being filtered and dedusted, by arranging the filter bag, the filter bag can filter the air entering through the flow guide pipe.

Description

Compressor with oil return system

Technical Field

The utility model relates to the technical field of compressors, in particular to a compressor with an oil return system.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is a heart of a refrigeration system, is widely applied to the fields of air conditioners, refrigerators and the like, and is internally stored with certain lubricating oil for reducing the friction loss of each part in the compressor and prolonging the service life of the compressor.

However, the compressor on the market still has the following problems:

1. for example, chinese patent publication No. CN205349748U discloses an oil return structure and a compressor, in which an oil-gas mixture in a cylinder passes through a first air flow channel and a second air flow channel in sequence and then directly enters a second air flow channel to be discharged, so that a problem that oil droplets are broken into small oil droplets by a high-speed rotating motor acting on the oil-gas mixture and then the oil droplets are easily discharged to the compressor along with an air flow is solved.

Aiming at the problems, the novel design is carried out on the basis of the original compressor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compressor with an oil return system, which aims to solve the problem that the compressor cannot be suitable for a dust-free workshop with high dust content due to the fact that certain dust is contained in air in a large environment with gas from the outside and still exists after passing through the compressor, which is proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compressor with oil return system, includes the shell, the inlet port has been seted up to the top surface of shell, the top surface of shell is provided with the air exhauster, the interior round wall of inlet port with the fixed cover in excircle wall of air exhauster blast pipe is established, the discharge hole has been seted up to the top surface of shell, the inside of shell is provided with the dust removal subassembly that is used for reducing dust content, the dust removal subassembly includes the gas receiver, the fixed cover of gas receiver is established the interior round wall of shell, direct hole has been seted up to the top surface of gas receiver, the fixed cover in interior round wall in direct hole is equipped with the honeycomb duct, the one end of honeycomb duct is passed direct hole extends to the inside of gas receiver.

Preferably, the dust removal subassembly is still including crossing the filter bag, cross the fixed cover of filter bag and establish the excircle wall of honeycomb duct, the inside top surface fixed mounting of gas storage box has driving motor, the excircle wall fixed mounting of driving motor rotation axis has two extension rods, the one end fixed mounting of extension rod has the stirring ring.

Preferably, the inside bottom surface fixed mounting of shell has the batch oil tank, the oil outlet has been seted up to the top surface of batch oil tank, the fixed cover of interior circle wall of oil outlet is equipped with fixed pipe, the inside of fixed pipe is provided with the bent axle.

Preferably, the inner circular wall surface of the shell is fixedly sleeved with a switching box, the top surface of the switching box is provided with a communicating hole, the top surface of the switching box is provided with a penetrating hole, the top surface of the switching box is provided with a sleeving hole, the inner circular wall surface of the sleeving hole is fixedly sleeved with a discharging pipe, and one end of the discharging pipe penetrates through the penetrating hole and the discharging hole and extends to the outside of the shell.

Preferably, the oil filler point has been seted up to the top surface of batch oil tank, the interior circle wall fixed sleeve of oil filler point is equipped with the connecting pipe.

Preferably, the top surface of the exchange box is provided with an oil through hole.

Preferably, the top surface of the exchange box is provided with a plurality of drainage grooves.

Compared with the prior art, the compressor with the oil return system has the beneficial effects that:

1. by arranging the gas storage box, the gas storage box can temporarily store air pumped from the external environment in the air storage box, the air is filtered and dedusted and then is conveyed out, the filter bag is arranged to filter the air entering through the flow guide pipe, when the air passes through the filter bag, granular impurities and dust in the air can be intercepted by the filter bag to prevent the dust and the impurities from entering into the space in the gas storage box, the extension rod can rotate under the driving of the driving motor by arranging the extension rod, the toggle ring can be in contact with the surface of the filter bag when the extension rod rotates and applies certain force to the filter bag, so that the filter bag shakes and shakes off the dust on the inner surface, the dust removal effect of the filter bag is prevented from being influenced by the dust blockage, and the dust content in the discharged air is obviously reduced after the dust removal of the filter bag is carried out, making the compressor equally suitable for use in a dust-free plant.

2. Through setting up the commuting case, the air storage after the commuting case will remove dust is in inside, then discharges away as required, through setting up the through hole, the through hole can be convenient for pass of delivery pipe, can also prevent the inside air pollution gas receiver of delivery pipe inside simultaneously, through setting up the drainage groove, the drainage groove can be with the lubricating oil guide flow direction on commuting case surface to the inside of logical oilhole of drippage, the inside of oil storage tank is carried back to lubricating oil to the connecting pipe that utilizes to lead the oilhole inside afterwards, it is great to prevent that the oil consumption.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of a drainage groove of the present invention;

fig. 3 is a partial structural diagram of a in fig. 2.

In the figure: 1. a housing; 2. an exhaust fan; 3. a discharge pipe; 4. a discharge orifice; 5. an air inlet; 6. an oil storage tank; 7. an oil outlet hole; 8. a fixed tube; 9. an exchange box; 10. sleeving a hole; 11. a communicating hole; 12. a gas storage tank; 13. a through hole; 14. a filter bag; 15. a flow guide pipe; 16. a through hole; 17. a drive motor; 18. an extension rod; 19. a dial ring; 20. an oil filler hole; 21. a connecting pipe; 22. a drainage groove; 23. an oil through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a compressor with oil return system, which comprises an outer shell 1, inlet port 5 has been seted up to the top surface of shell 1, the top surface of shell 1 is provided with air exhauster 2, the fixed cover of excircle wall of the interior circle wall of

inlet port

5 and 2 blast pipes of air exhauster is established, discharge hole 4 has been seted up to the top surface of shell 1, the inside of shell 1 is provided with the dust removal subassembly that is used for reducing dust content, the dust removal subassembly includes gas receiver 12, the fixed cover of the interior circle wall at shell 1 of gas receiver 12 is established, direct hole 13 has been seted up to the top surface of gas receiver 12, the fixed cover of the interior circle wall of direct hole 13 is equipped with honeycomb duct 15, the inside that direct hole 13 and extend to gas receiver 12 is passed through to honeycomb duct 15's one end, air that air exhauster 2 was taken away from the external environment can enter into the inside of gas receiver 12 through inlet port 5 and honeycomb duct 15, and remove dust in the inner space of gas receiver 12.

Referring to fig. 2 and 3, in order to reduce the dust content in the air, the dust removing assembly further includes a filter bag 14, the filter bag 14 is fixedly sleeved on the outer circumferential wall surface of the flow guide pipe 15, the filter bag 14 is made of non-woven fabric, the driving motor 17 is fixedly installed on the top surface inside the gas storage tank 12, two extension rods 18 are fixedly installed on the outer circumferential wall surface of the rotating shaft of the driving motor 17, one end of each extension rod 18 is fixedly installed with a stirring ring 19, the air entering the gas storage tank 12 can firstly pass through the filter bag 14, and when the air passes through the filter bag 14, the filter bag 14 can intercept dust and solid particles in the air, so that the dust content in the air is reduced.

Please refer to fig. 1 and 2, in order to store the lubricating oil of retrieving and be convenient for the reutilization, the inside bottom surface fixed mounting of shell 1 has batch oil tank 6, lubricating oil is stored to batch oil tank 6's inside, oil outlet 7 has been seted up to batch oil tank 6's top surface, the fixed cover of interior circle wall of oil outlet 7 is equipped with fixed pipe 8, the inside of fixed pipe 8 is provided with the bent axle, the lubricating oil of batch oil tank 6 inside can be dispersed under the effect of bent axle to each inside part of shell 1 on, the frictional force of part has been reduced, the wear rate has been reduced.

Referring to fig. 1 and 2, in order to perform secondary treatment on the air after dust removal, an exchange box 9 is fixedly sleeved on the inner circular wall surface of the shell 1, a communication hole 11 is formed in the top surface of the exchange box 9, a penetration hole 16 is formed in the top surface of the exchange box 9, a sleeve hole 10 is formed in the top surface of the exchange box 9, a discharge pipe 3 is fixedly sleeved on the inner circular wall surface of the sleeve hole 10, one end of the discharge pipe 3 penetrates through the penetration hole 16 and the discharge hole 4 and extends to the outside of the shell 1, the air after dust removal can enter the inside of the exchange box 9, and then the air is discharged according to the requirements of people.

Referring to fig. 2, in order to re-inject the dropped lubricant into the oil storage tank 6, an oil injection hole 20 is formed in the top surface of the oil storage tank 6, a connecting pipe 21 is fixedly sleeved on the inner circular wall surface of the oil injection hole 20, and the dropped lubricant enters the oil storage tank 6 through the connecting pipe 21, so that the lubricant is recycled.

Referring to fig. 2, in order to increase the range of recovering the lubricating oil, an oil passing hole 23 is formed in the top surface of the exchange box 9, an inner circular wall surface of the oil passing hole 23 and an outer circular wall surface of the connecting pipe 21 are fixedly sleeved, and the lubricating oil dropping on the top surface of the exchange box 9 can enter the connecting pipe 21 through the oil passing hole 23, and then enter the oil storage tank 6 through the connecting pipe 21.

Referring to fig. 2, in order to guide the lubricating oil into the oil through hole 23, a plurality of drainage grooves 22 are formed in the top surface of the exchange box 9, and the lubricating oil flows in the drainage grooves 22 and finally flows into the oil through hole 23.

The working principle is as follows: when using, at first the inside of storage tank 12 is carried through inlet port 5 and honeycomb duct 15 with the air body in the external environment to air exhauster 2, before the inner space of entering storage tank 12, the air can be through the filtration of crossing filter bag 14, filter dust and solid particle in the air, in order to prevent to lead to crossing the too much influence filter effect of the inside accumulational dust of filter bag 14 because of the live time overlength at this in-process, the staff can regularly start driving motor 17, driving motor 17 starts the back, driving motor 17's rotation of axis of rotation can drive extension rod 18 rotatory, the ring 19 of stirring of extension rod 18 one end this moment can with the surface contact who crosses filter bag 14, and exert the effect to crossing filter bag 14, make and cross filter bag 14 and produce vibrations and shake off the accumulational dust, reach the effect of clearing up filter bag 14.

By providing the drainage grooves 22, the drainage grooves 22 can guide the lubricating oil to flow into the oil through holes 23, and then the lubricating oil can flow into the oil storage tank 6 through the connecting pipe 21 and the oil filling hole 20, and after the air cleaned of dust enters the exchange tank 9, the lubricating oil is discharged to the external environment through the sleeve hole 10 and the discharge pipe 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compressor with oil return system, includes shell (1), its characterized in that: inlet port (5) have been seted up to the top surface of shell (1), the top surface of shell (1) is provided with air exhauster (2), the interior circle wall of inlet port (5) with the fixed cover of excircle wall of air exhauster (2) blast pipe is established, discharge hole (4) have been seted up to the top surface of shell (1), the inside of shell (1) is provided with the dust removal subassembly that is used for reducing dust content, the dust removal subassembly includes gas holder (12), the fixed cover of gas holder (12) is established the interior circle wall of shell (1), direct hole (13) have been seted up to the top surface of gas holder (12), the fixed cover of interior circle wall in direct hole (13) is equipped with honeycomb duct (15), the one end of honeycomb duct (15) is passed direct hole (13) and extend to the inside of gas holder (12).

2. The compressor with the oil return system of claim 1, wherein: dust removal subassembly is still including crossing filter bag (14), cross filter bag (14) fixed cover and establish the excircle wall of honeycomb duct (15), the inside top surface fixed mounting of gas storage box (12) has driving motor (17), the excircle wall fixed mounting of driving motor (17) rotation axis has two extension rods (18), the one end fixed mounting of extension rod (18) dials rotating ring (19).

3. The compressor with the oil return system of claim 1, wherein: the inside bottom surface fixed mounting of shell (1) has batch oil tank (6), oil outlet (7) have been seted up to the top surface of batch oil tank (6), the fixed cover of interior circle wall of oil outlet (7) is equipped with fixed pipe (8), the inside of fixed pipe (8) is provided with the bent axle.

4. The compressor with the oil return system of claim 1, wherein: the fixed cover of interior circle wall of shell (1) is equipped with commuting case (9), intercommunicating pore (11) have been seted up to the top surface of commuting case (9), penetrating hole (16) have been seted up to the top surface of commuting case (9), cup joint hole (10) have been seted up to the top surface of commuting case (9), the fixed cover of interior circle wall of cup joint hole (10) is equipped with delivery pipe (3), the one end of delivery pipe (3) is passed penetrating hole (16) with discharge hole (4) extend to the outside of shell (1).

5. A compressor with oil return system according to claim 3, characterized in that: oil filler point (20) have been seted up to the top surface of batch oil tank (6), the interior circle wall fixed sleeve of oil filler point (20) is equipped with connecting pipe (21).

6. The compressor with the oil return system according to claim 4, wherein: the top surface of the exchange box (9) is provided with an oil through hole (23).

7. The compressor with the oil return system according to claim 4, wherein: the top surface of the exchange box (9) is provided with a plurality of drainage grooves (22).