CN113975918B - Air compressor machine oil return structure of compression separation integration - Google Patents
Air compressor machine oil return structure of compression separation integration Download PDFInfo
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- CN113975918B CN113975918B CN202111039617.0A CN202111039617A CN113975918B CN 113975918 B CN113975918 B CN 113975918B CN 202111039617 A CN202111039617 A CN 202111039617A CN 113975918 B CN113975918 B CN 113975918B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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Abstract
The invention discloses a compression-separation integrated air compressor oil return structure, which belongs to an air compressor structure and comprises an air inlet channel, an air compression structure, a separation structure, an air outlet channel, an oil collecting tank and an oil return channel, wherein compressed air in the air compression structure enters the air channel, one end of the oil return channel is positioned in the oil collecting tank, the other end of the oil return channel is communicated with the air compression structure, the air outlet channel is provided with an air outlet pressure valve, the air compression structure, the separation structure and the oil collecting tank are positioned in the same shell, the structure is more compact, and the problems that in the prior art, oil-gas separation equipment is independently arranged outside the air compression structure, the cost is higher, and the whole occupied space of the equipment is larger are solved.
Description
Technical Field
The invention relates to an air compressor structure, in particular to an air compressor oil return structure integrating compression and separation.
Background
In the process of air compression of the air compressor, the air passing through the main engine can contain more fine oil drops, so that the oil drops need to be separated and recovered through the oil-gas separation structure, the existing oil-gas separation equipment is independently arranged outside the air compression structure and needs to be independently controlled, the cost is high, and the whole occupied space of the equipment is large.
For example, an "active oil-gas separator" disclosed in chinese patent literature, which is publication No. CN201910854388.4, includes a housing, an oil-gas separation mechanism is disposed between the middle upper portion of a central shaft in the housing and the housing, and a driving mechanism for driving the central shaft to rotate is disposed between the bottom of the central shaft and the housing; the top of the shell is provided with an air inlet for introducing blow-by gas of the internal combustion engine, the side wall of the shell at the bottom of the oil-gas separation mechanism is provided with a clean air outlet, and the side wall of the shell below the driving mechanism is provided with an oil return opening for flowing out of lubricating oil; the oil-gas separation mechanism comprises an upper end cover of the separation disc, a lower end cover of the separation disc and each middle separation disc connected to a central shaft between the upper end cover of the separation disc and the lower end cover of the separation disc; the invention automatically starts to work after the motor vehicle is ignited and automatically stops working after the motor vehicle is flamed out, and the working process does not need to be electrically controlled, can carry out high-efficiency oil-gas separation on blow-by gas of an engine, reduces the loss of lubricating oil, and can realize long-term stable operation without maintenance; the oil-gas separator is arranged outside the air pressure structure independently, needs to be controlled independently, and is high in cost and large in occupied space of the whole equipment.
Disclosure of Invention
The invention provides a compression-separation integrated air compressor oil return structure, which aims to solve the problems that the existing oil-gas separation equipment in the prior art is independently arranged outside an air compression structure, the cost is high, and the whole occupied space of the equipment is large.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses an oil return structure of a compression-separation integrated air compressor, which comprises an oil-gas separation circulating structure capable of automatically returning oil, wherein the oil-gas separation circulating structure comprises a shell, and an air inlet channel, an air compression structure, a separation structure, an air outlet channel, an oil collecting tank and an oil return channel which are arranged in the shell, the air compression structure is driven by a host to operate, the host is arranged on the oil-gas separation circulating structure, the lower part of the separation structure is communicated with the oil collecting tank, one end of the oil return channel is positioned in the oil collecting tank, the other end of the oil return channel is communicated with the air compression structure, and the air outlet channel is provided with an air outlet pressure valve.
In this patent, pneumatics structure and separation structure and oil collection groove all are located same casing, and the structure is compacter, through the pressure valve of giving vent to anger can form the malleation in separation structure to slowly impress the fluid in the oil collecting tank in the pneumatics structure, realize automatic oil return.
Preferably, the separation structure comprises an outer cylinder and an inner cylinder, gas discharged from the air compression structure enters between the outer cylinder and the inner cylinder and carries out centrifugal motion between the outer cylinder and the inner cylinder, an oil hanging hook is arranged on the inner wall of the outer cylinder, and the upper part of the inner cylinder is communicated with the air outlet channel; when the gas that has fluid carries out centrifugal motion, fluid can be got rid of to the inner wall of urceolus under the effect of centrifugal force, and oil drip can be caught to the oily hook of hanging on the urceolus inner wall, when oil drip is more, can fall from hanging oily hook, fall in the oil trap.
Preferably, a fine filter screen is arranged in the inner cylinder; the fine filter screen can further filter the gas after centrifugal separation, so that the cleanness of the compressed air is further ensured.
Preferably, the air compression structure comprises an air compression cylinder, a compression rotating shaft is eccentrically installed in the air compression cylinder, the compression rotating shaft is connected with an output shaft of the host and synchronously rotates, a plurality of installation grooves are circumferentially formed in the outer side of the compression rotating shaft, telescopic block assemblies are installed in the installation grooves in a matched mode, the telescopic block assemblies extend out of the installation grooves when rotating to the lower side of the compression rotating shaft and are pressed into the installation grooves when rotating to the upper side of the compression rotating shaft, and a rotating shaft channel communicated with the gas channel is formed in the compression rotating shaft; through the structure, the air entering the air pressure cylinder can be divided into a plurality of parts by the adjacent expansion plates, and due to the retraction of the compression plates, the air in each part can be compressed along with the rotation of the compression rotating shaft until the air enters the rotating shaft channel.
Preferably, the telescopic block assembly comprises two telescopic plates, the two telescopic plates are connected through a connecting rod, at least one of the two telescopic plates can axially move relative to the connecting rod, and the two attached telescopic plates can be separated through the movement of the telescopic plates relative to the connecting rod, so that gas can enter the rotating shaft channel between the two telescopic plates.
Preferably, the bottom of the mounting groove is provided with a separation guide seat for separating the two expansion plates, and a gas connecting channel is formed between the two expansion plates after separation; through the separation guide seat, the telescopic block component can be pressed into the mounting groove, and meanwhile, a gas connecting channel is automatically formed.
Preferably, the separation structure is provided with a separation structure inlet, and a bearing seat matched with the compression rotating shaft is installed at the separation structure inlet.
Preferably, an impact cam is arranged on the outer side of the outer cylinder and is driven to rotate by the compression rotating shaft; the outer cylinder can be continuously impacted by the impact cam, so that oil drops fall from the oil hanging hook at an accelerated speed, and the oil hanging efficiency is improved.
Therefore, the invention has the following beneficial effects: (1) The air compression structure, the separation structure and the oil collection groove are arranged in the same shell, so that the integral structure of the device is simplified; (2) The compressed gas can be automatically pressed into the compression rotating shaft and conveyed into the rotating shaft through the rotation of the compression rotating shaft; (3) The device can simultaneously drive the impact cam to rotate through the operation of the main machine, so that the dropping of oil drops from the oil hanging hook is accelerated, and the oil hanging efficiency is improved; (4) The oil in the oil collecting tank can be automatically returned to the air compression structure.
Drawings
Fig. 1 is a schematic view of an internal structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the air compressing structure of the present invention.
Fig. 3 is a schematic structural view of the telescoping block assembly of the present invention.
In the figure: 1. the device comprises a shell 2, an air inlet channel 3, an air compression structure 4, a separation structure 5, an air outlet channel 6, an oil collecting tank 7, an oil return channel 8, a host machine 9, a bell mouth 10, an air outlet pressure valve 11, an outer cylinder 12, an inner cylinder 13, an oil hanging hook 14, a fine filtering net 15, an air inlet 16, an air compression cylinder 17, a compression rotating shaft 18, a mounting groove 19, a telescopic block component 20, a rotating shaft channel 21, a telescopic plate 22, a separation guide seat 23, a connecting channel 24, a first telescopic plate 25, a second telescopic plate 26, an impact cam 27, a first bevel gear 28, a second bevel gear 29, a transmission shaft 30 and a connecting rod.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-3, an air compressor oil return structure integrated with compression and separation comprises an oil-gas separation circulation structure capable of automatically returning oil, wherein the oil-gas separation circulation structure comprises a shell 1, an air inlet channel 2, an air pressure structure 3, a separation structure 4, an air outlet channel 5, an oil sump 6 and an oil return channel 7, the air pressure structure is driven by a host 8 to operate, the host is installed on the oil-gas separation circulation structure, the lower part of the separation structure is communicated with the oil sump, one end of the oil return channel is located in the oil sump, the bottom of the oil return channel is provided with a horn mouth 9, the other end of the oil return channel is communicated with the air pressure structure, the air outlet channel is provided with an air outlet pressure valve 10, the air outlet pressure valve comprises a valve seat and a valve body, the valve body faces the air outlet channel, and a spring is installed between the valve seat and the valve body; the separation structure comprises an outer cylinder 11 and an inner cylinder 12, gas discharged from the air compression structure enters between the outer cylinder and the inner cylinder and carries out centrifugal motion between the outer cylinder and the inner cylinder, an oil hanging hook 13 is arranged on the inner wall of the outer cylinder, and the upper part of the inner cylinder is communicated with an air outlet channel; a fine filter screen 14 is arranged in the inner cylinder; the lower end of the air inlet channel is provided with a downward air inlet 15, and the direction of the air inlet channel towards one end of the air compression structure is inclined downward, so that oil in the air compression structure is prevented from flowing out of the air inlet channel; the air compression structure comprises an air compression cylinder 16, a compression rotating shaft 17 is eccentrically installed in the air compression cylinder, the compression rotating shaft is connected with an output shaft of a host and synchronously rotates, a plurality of installation grooves 18 are circumferentially arranged on the outer side of the compression rotating shaft, telescopic block assemblies 19 are installed in the installation grooves in a matched mode, the telescopic block assemblies extend out of the installation grooves when rotating to the lower side of the compression rotating shaft and are pressed into the installation grooves when rotating to the upper side of the compression rotating shaft, and a rotating shaft channel 20 communicated with the gas channel is arranged in the compression rotating shaft; the telescopic block assembly comprises two telescopic plates 21 which are connected through a connecting rod 30, and at least one of the two telescopic plates can axially move relative to the connecting rod; the bottom of the mounting groove is provided with a separation guide seat 22 for separating the two expansion plates, and a gas connecting channel 23 is formed between the two expansion plates after separation; two expansion plates leave the separation guide holder and can reset the laminating, and its implementation can have two kinds: at least one of the two expansion plates is magnetic; or an extension spring is arranged between the two expansion plates; the two expansion plates comprise a first expansion plate 24 and a second expansion plate 25, and the length of the first expansion plate is greater than that of the second expansion plate; in this embodiment, as shown in fig. 2, the compression rotating shaft rotates counterclockwise, and the first expansion plate is located on the left side of the second expansion plate, if the compression rotating shaft rotates clockwise, the first expansion plate needs to be located on the right side of the second expansion plate. The rotating shaft is connected with the compression rotating shaft and synchronously rotates; the separation structure is provided with a separation structure inlet, and a bearing seat matched with the compression rotating shaft is arranged at the separation structure inlet; an impact cam 26 is arranged on the outer side of the outer cylinder and is driven to rotate through the compression rotating shaft; the compression rotating shaft is provided with a first bevel gear 27 which is in fit engagement with a second bevel gear 28, and the second bevel gear and the impact cam are arranged on a transmission shaft 29.
When the device is used, an output shaft of a host machine rotates to drive a compression rotating shaft to rotate, so that a plurality of telescopic block assemblies rotate, when the telescopic block assemblies rotate to the lower side of the compression rotating shaft, the telescopic block assemblies can extend out of the mounting groove, a closed space is formed between every two adjacent telescopic block assemblies, the closed space can be gradually reduced along with the continuous rotation of the telescopic plates, when the inner ends of the telescopic block assemblies are in contact with the separation guide seats, the two telescopic plates can be separated by the separation guide seats, a gas connecting channel is formed between the telescopic plates, so that oil-gas mixture enters a rotating shaft channel, the oil-gas mixture can enter a gas channel in the rotating shaft after passing through the rotating shaft channel, and when the telescopic block assemblies continue to rotate, the telescopic blocks can extend out of the mounting groove to facilitate next compression due to the reset of the two telescopic plates; the oil-gas mixture entering the separation structure can do centrifugal motion between the outer cylinder and the inner cylinder, during the centrifugal motion, oil drops in the mixture can be thrown to the inner wall of the outer cylinder and captured by the oil hanging hook, and gas at the lower part of the outer cylinder which moves upwards enters the inner cylinder, is filtered by the fine filter screen and leaves from the gas outlet channel; the rotation of the compression rotating shaft can drive the impact cam to rotate, so that the outer barrel is continuously hit, and the dripping of oil drops on the oil hanging hook is accelerated.
Claims (5)
1. The utility model provides an air compressor machine oil return structure of compression separation integration, characterized by, including the oil-gas separation circulation structure that can carry out automatic oil return, oil-gas separation circulation structure includes the casing to and install inlet channel, pneumatics structure, separation structure, gas outlet channel, oil trap and the oil return passageway in the casing, the pneumatics structure drives the operation through the host computer, the host computer is installed on oil-gas separation circulation structure, separation structure's lower part and oil trap intercommunication, oil return passageway one end is located in the oil trap, the other end with pneumatics structure intercommunication, the last air outlet pressure valve that is equipped with of gas outlet channel, the pneumatics structure includes an air pressure section of thick bamboo, eccentric ann is equipped with the compression pivot in the air pressure section of thick bamboo, the output shaft and synchronous rotation of compression pivot and host computer, compression pivot outside circumference is equipped with a plurality of mounting groove, flexible block spare is installed to the adaptation in the mounting groove in, flexible block spare stretches out from the mounting groove when rotating the downside of compression pivot, is impressed in the mounting groove when rotating the upside of compression pivot, flexible block spare includes two expansion plates, connects through the connecting rod between two expansion plates, has at least can take place the axial with the relative removal in two expansion plates the expansion plate the pivot and be equipped with the bottom that make the gas separation of expansion plate be used for the pivot connect the second gas separation and the expansion plate is connected the second expansion plate is connected the length of expansion plate.
2. The air compressor oil return structure integrating compression and separation as claimed in claim 1, wherein the separation structure comprises an outer cylinder and an inner cylinder, the gas discharged from the air compression structure enters between the outer cylinder and the inner cylinder and carries out centrifugal movement between the outer cylinder and the inner cylinder, an oil hanging hook is arranged on the inner wall of the outer cylinder, and the upper portion of the inner cylinder is communicated with the air outlet channel.
3. The oil return structure of the air compressor with integrated compression and separation functions as claimed in claim 2, wherein a fine filter screen is arranged in the inner cylinder.
4. The oil return structure of the air compressor with integrated compression and separation as claimed in claim 1, wherein the separation structure is provided with a separation structure inlet, and a bearing seat adapted to the compression rotating shaft is installed at the separation structure inlet.
5. The oil return structure of the air compressor with integrated compression and separation as claimed in claim 1, wherein an impact cam is disposed outside the outer cylinder, and the impact cam is driven to rotate by the compression rotating shaft.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039617.0A CN113975918B (en) | 2021-09-06 | 2021-09-06 | Air compressor machine oil return structure of compression separation integration |
| PCT/CN2021/141524 WO2023029312A1 (en) | 2021-09-06 | 2021-12-27 | Air compressor structure having integrated compression and separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039617.0A CN113975918B (en) | 2021-09-06 | 2021-09-06 | Air compressor machine oil return structure of compression separation integration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113975918A CN113975918A (en) | 2022-01-28 |
| CN113975918B true CN113975918B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111039617.0A Active CN113975918B (en) | 2021-09-06 | 2021-09-06 | Air compressor machine oil return structure of compression separation integration |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360543A (en) * | 2003-06-04 | 2004-12-24 | Calsonic Compressor Inc | Air conditioner and air compressor |
| CN205858672U (en) * | 2016-06-30 | 2017-01-04 | 浙江金立源药业有限公司 | A kind of sliding-vane compressor |
| CN208699173U (en) * | 2018-07-16 | 2019-04-05 | 刘自梅 | A kind of charging mechanism of tea packaging machine |
| CN213574602U (en) * | 2020-09-29 | 2021-06-29 | 孟州农达生化制品有限公司 | High-efficient screw compressor |
| CN113153696B (en) * | 2021-04-15 | 2023-01-03 | 鑫磊压缩机股份有限公司 | Oil-gas separation cylinder for axial fine filtration |
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