CN220589322U - Front device for preventing oil injection of air dryer - Google Patents
Front device for preventing oil injection of air dryer Download PDFInfo
- Publication number
- CN220589322U CN220589322U CN202322011829.9U CN202322011829U CN220589322U CN 220589322 U CN220589322 U CN 220589322U CN 202322011829 U CN202322011829 U CN 202322011829U CN 220589322 U CN220589322 U CN 220589322U
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- China
- Prior art keywords
- oil
- air
- dipstick
- shell
- air dryer
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- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 138
- 238000007599 discharging Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000010705 motor oil Substances 0.000 description 5
- 239000002274 desiccant Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Compressor (AREA)
Abstract
The utility model discloses a prepositive device for preventing oil injection of an air dryer, which belongs to an oil filtering device and structurally comprises a shell, an oil capturing part, a storage part and an oil dipstick, wherein an air inlet and an air outlet are respectively arranged on two sides of the shell, an inner cavity of the shell comprises the oil capturing part and the storage part, the oil capturing part is arranged in the shell at the air inlet side, a filtering piece is arranged in the oil capturing part, the oil dipstick is arranged in the storage part, and an oil drain port is arranged on the shell at the lowest end of the storage part. The prepositive device for preventing the oil injection of the air dryer filters and collects the compressed air containing the oil before entering the air dryer, and avoids the oil injection phenomenon of the air dryer.
Description
Technical Field
The utility model relates to an oil filtering device, in particular to a prepositive device for preventing oil injection of an air dryer.
Background
A vehicle such as a commercial vehicle uses compressed air generated by an air compressor directly connected to an internal combustion engine to control a brake system. Since the compressed air output from the air compressor is often high in temperature and contains moisture, the compressed air needs to pass through a cooling pipeline and an air dryer to prevent the moisture in the air from causing the malfunction of the brake system.
Because the air compressor is self-lubricated by engine oil, the discharged compressed air contains a small amount of engine oil, and even some air compressors can have oil channeling phenomenon, so that the function of a brake valve is invalid. The air dryer has a certain oil filtering function, but the dryer can be unloaded to discharge the captured water outwards to realize the regeneration of the drying agent, and the discharged air can contain engine oil to generate oil injection. Thus, one such device is proposed: the front-mounted dryer filters and collects engine oil in the compressed air, so that the oil injection phenomenon of the air dryer is solved, and the service life of the dryer is prolonged.
Disclosure of Invention
The technical task of the utility model is to provide a prepositive device for preventing oil injection of the air dryer, which is used for filtering and collecting compressed air containing oil before entering the air dryer and avoiding the oil injection phenomenon of the air dryer.
The technical scheme adopted for solving the technical problems is as follows: the oil tank comprises a shell, an oil capturing part, a storage part and an oil dipstick, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, an inner cavity of the shell comprises the oil capturing part and the storage part, the oil capturing part is arranged in the shell on the air inlet side, a filtering part is arranged in the oil capturing part, the oil dipstick is arranged in the storage part, and an oil drain port is formed in the shell at the lowest end of the storage part.
The upper portion of oil capture portion be provided with the reload mouth, the upper portion of reload mouth is provided with the reload window, reload window and casing between be provided with the reload window sealing washer, reload window passes through connecting bolt with the casing and links to each other.
The oil capturing part is a cavity surrounded by an air inlet grille, an air outlet grille and an oil filtering grille, the air inlet grille is close to the air inlet, the oil filtering grille is positioned at the lower part of the inner cavity of the shell, and the air inlet grille is connected with the air outlet grille.
The lowest end of the air outlet grille is an oil drain port of the air outlet grille.
The oil dipstick is located at the upper part of the oil drain port, the lower end face of the oil dipstick is located at the lowest end of the storage part, an oil dipstick port is formed in a shell at the upper part of the oil dipstick, and the oil dipstick is in threaded connection with the oil dipstick port.
The lower part of the oil dipstick is provided with an oil dipstick limiting groove, and the highest end of the oil dipstick limiting groove is level with the oil filtering grating.
The air inlet and the air outlet are respectively connected with the compressed air pipeline through the clamping sleeve type straight-through connector body, the steel pipe clamping sleeve and the clamping sleeve type pipe joint nut, the connection part of the compressed air pipeline and the air inlet and the air outlet is connected with the clamping sleeve type straight-through connector body through the clamping sleeve type straight-through connector body, the connection part is arranged between the clamping sleeve type straight-through connector body and the compressed air pipeline through the steel pipe clamping sleeve, and the clamping sleeve type straight-through connector body is connected with the compressed air pipeline through the clamping sleeve type pipe joint nut.
And the oil drain port is provided with an oil drain valve.
The filter element is oil filter paper.
Compared with the prior art, the prepositive device for preventing the oil injection of the air dryer has the following outstanding beneficial effects: the prepositive device for preventing oil injection of the air dryer is arranged between the air compressor and the air dryer, compressed air containing oil which is discharged from the air compressor and enters the air dryer is filtered and collected, oil-containing air is prevented from entering the air dryer, the oil injection phenomenon of the air dryer caused by the oil-containing air entering the air dryer is avoided, the service life of the air dryer is prolonged, and engine oil in the compressed air can be collected for recycling.
Drawings
FIG. 1 is a schematic diagram of a compressed air drying system;
FIG. 2 is a top view of a front-end unit for preventing injection of air dryer;
FIG. 3 is a front view of a front device for preventing injection of air dryer;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view B-B of FIG. 3;
FIG. 6 is a schematic view of the structure of the intake grill within the housing;
FIG. 7 is a schematic view of the structure of the oil filter grating in the housing;
reference numerals illustrate: 1. an air compressor; 2. a compressed air line; 3. the front device is used for preventing the air dryer from injecting oil; 4. an air dryer; 5. a housing; 6. a dipstick; 7. a material changing window; 8. a connecting bolt; 9. a ferrule type straight-through connector body; 10. cutting sleeve of steel tube; 11. a ferrule type pipe joint nut; 12. an oil drain valve; 13. a sealing ring of a material changing window; 14. an exhaust port; 15. a storage section; 16. a dipstick opening; 17. limit grooves of dipsticks; 18. an oil drain port; 19. an air outlet grille; 20. an oil filtering grille; 21. an air intake grille; 22. an oil trap; 23. an air inlet; 24. a material changing port; 25. and an oil discharge port of the exhaust grating.
Detailed Description
A front-end unit for preventing injection of air dryer according to the present utility model will be described in detail with reference to fig. 1 to 7 of the accompanying drawings.
As shown in fig. 1, the compressed air drying system comprises an air compressor 1, a compressed air pipeline 2, a front-end device 3 for preventing oil injection of the air dryer and the air dryer 4. Compressed air generated by the air compressor 1 enters a front device 3 for preventing oil injection of the air dryer through a compressed air pipeline 2 for oil filtration, oil-free compressed air after oil filtration enters the air dryer through the compressed air pipeline 2 for drying, and dried compressed air after drying enters a corresponding air utilization system through the compressed air pipeline 2.
The front device 3 for preventing the air dryer from injecting oil is used for removing and recovering oil in the compressed air, and discharging the oil-free compressed air to the air dryer 4.
The air dryer 4 has a desiccant and a filter inside. The desiccant is mainly used for capturing water vapor in the compressed air, and the filter is mainly used for capturing oil particles in the compressed air. The main operation of the air dryer 4 is a loading operation for capturing moisture and oil in the compressed air, and an unloading operation for discharging the moisture and oil captured by the desiccant and the filter. If the system does not have the front device 3 for preventing the air dryer from injecting oil, if the air compressor 1 has oil channeling, a large amount of oil enters the compressed air, and the air (purge air) discharged from the air dryer 4 due to the unloading operation will have a large amount of water and oil, so that the oil injection phenomenon occurs. And after the compressed air passes through the front device 3 for preventing the air dryer from spraying oil, the oil content in the compressed air can be filtered and collected, so that the oil spraying problem of the air dryer 4 is solved.
As shown in fig. 2 to 7: the utility model relates to a front device for preventing oil injection of an air dryer, which structurally comprises an oval shell 5, an oil capturing part 22, a storage part 15 and an oil dipstick 6, wherein an air inlet 23 and an air outlet 14 are respectively arranged on two sides of the shell 5, the air inlet 23 is used for introducing compressed air, the air outlet 14 is used for discharging oil-free compressed air into the air dryer, an inner cavity of the shell 5 comprises the oil capturing part 22 and the storage part 15, the oil capturing part 22 is used for collecting oil in the compressed air, the storage part 15 is used for storing the collected oil, the oil capturing part 22 is positioned in the shell 5 on the side of the air inlet 23, a filter is arranged in the oil capturing part 22, the filter is made of oil filtering paper and can filter oil in the compressed air, so as to help solve the oil injection problem of the air dryer, the oil dipstick 6 is arranged in the storage part 15, an oil outlet 18 is arranged on the shell 5 at the lowest end of the storage part 15, the oil outlet 18 is used for discharging and recycling the collected oil, the oil can be directly discharged, and the oil can also be externally connected with an oil discharging pipe or a periodical device is convenient for capturing and discharging the oil.
The upper portion of oil capture portion 22 be provided with the feed inlet 24, feed inlet 24 is used for changing the oil filter material, reduces maintenance cost, and the upper portion of feed inlet 24 is provided with the feed window 7, for guaranteeing the gas tightness, feed window 7 and casing 5 between be provided with feed window sealing washer 13, feed window 7 compresses tightly through connecting bolt 8 with casing 5.
The oil capturing portion 22 is a cavity surrounded by the air inlet grille 21, the air outlet grille 19 and the oil filtering grille 20, the air inlet grille 21 is close to the air inlet 23, the oil filtering grille 20 is located at the lower portion of the inner cavity of the shell, and the air inlet grille 21 is connected with the air outlet grille 19. The lowest end of the air outlet grille 19 is an air outlet grille oil drain port 25. The oil flowing out of the oil filtering grating 20 can smoothly pass through the air outlet grating 19, flow to the oil discharge port 18, and oil discharge is realized by an oil discharge valve.
The oil dipstick 6 is located on the upper portion of the oil drain port 18, the lower end face of the oil dipstick 6 is located at the lowest end of the storage portion 15, an oil dipstick port 16 is formed in the shell 5 on the upper portion of the oil dipstick 6, the oil dipstick 6 is in threaded connection with the oil dipstick port 16, and the oil dipstick port 16 is used for installing the oil dipstick 6 to observe oil storage conditions. The lower part of the oil dipstick 6 is provided with an oil dipstick limiting groove 17, and the highest end of the oil dipstick limiting groove 17 is level with the oil filtering grating 20.
The air inlet 23 and the air outlet 14 are respectively connected with the compressed air pipeline 2 through the clamping sleeve type straight-through connector 9, the steel pipe clamping sleeve 10 and the clamping sleeve type pipe joint nut 11, the connection part of the compressed air pipeline 2 and the air inlet 23 and the air outlet 14 is connected through the clamping sleeve type straight-through connector 9 in a threaded connection manner, sufficient air tightness is ensured, the connection part is arranged between the clamping sleeve type straight-through connector 9 and the compressed air pipeline 2 through the steel pipe clamping sleeve 10, interference fit is realized, and the clamping sleeve type straight-through connector 9 and the compressed air pipeline 2 are connected through the clamping sleeve type pipe joint nut 11 and adopt threaded connection to ensure air tightness.
The oil drain port 18 is provided with an oil drain valve 12. The air tightness is guaranteed by adopting threaded connection, the oil drain valve can directly drain oil by adopting a pull ring, and oil can be recovered by adopting a threaded external pipeline.
Compressed air generated by the air compressor 1 is transmitted by the compressed air pipeline 2, enters the interior of the front device 3 for preventing the air dryer from injecting oil through the air inlet 23, the air inlet grille 21 is mutually perpendicular to the air inlet direction of the air inlet 23, and the air enters the oil capturing part 22 through a gap of the air inlet grille 21 and collides with a filter element in the oil capturing part 22 to realize oil filtration. After passing through the filter inside the oil trap 22, the compressed air is discharged through the air outlet grille 19 via the air outlet 14, and is sent to the air dryer 4 via the compressed air line 2. The oil captured by the oil capturing portion 22 flows into the oil storage portion 15 through the gap on the oil filtering grille 20 below to collect the oil.
Tightness is ensured between the dipstick 6 and the dipstick mouth 16 through threaded connection, the dipstick 6 is arranged at the longest position of the storage part 15, and the dipstick end is positioned at the lowest end. The highest position of the oil gauge limiting groove 17 on the oil gauge 6 is flush with the oil filtering grating 20, when the oil gauge 6 shows that the oil position is at the highest end of the oil gauge limiting groove 17, the oil in the storage part 15 is ultrafiltered by the oil filtering grating 20, and the oil in the storage part 15 must be discharged through the oil discharge port 18.
The material changing port 24 is positioned right above the oil capturing part 22, so that the periodic fixed mileage replacement of the filter element can be satisfied, and the filter element can be replaced by only screwing out the connecting bolt 8 and opening the material changing window 7.
The above-mentioned embodiments are only for understanding the present utility model, and are not intended to limit the technical solutions described in the present utility model, and a person skilled in the relevant art may make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications are intended to be included in the scope of the claims of the present utility model. The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (9)
1. An air dryer oil spout prevention front device is characterized by: the oil tank comprises a shell, an oil capturing part, a storage part and an oil dipstick, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, an inner cavity of the shell comprises the oil capturing part and the storage part, the oil capturing part is arranged in the shell on the air inlet side, a filtering part is arranged in the oil capturing part, the oil dipstick is arranged in the storage part, and an oil drain port is formed in the shell at the lowest end of the storage part.
2. The front-end device for preventing oil injection of an air dryer according to claim 1, wherein: the upper portion of oil capture portion be provided with the reload mouth, the upper portion of reload mouth is provided with the reload window, reload window and casing between be provided with the reload window sealing washer, reload window passes through connecting bolt with the casing and links to each other.
3. The front-end device for preventing oil injection of an air dryer according to claim 1, wherein: the oil capturing part is a cavity surrounded by an air inlet grille, an air outlet grille and an oil filtering grille, the air inlet grille is close to the air inlet, the oil filtering grille is positioned at the lower part of the inner cavity of the shell, and the air inlet grille is connected with the air outlet grille.
4. A pre-device for preventing fuel injection of an air dryer as set forth in claim 3, wherein: the lowest end of the air outlet grille is an oil drain port of the air outlet grille.
5. A pre-device for preventing fuel injection of an air dryer as set forth in claim 3, wherein: the oil dipstick is located at the upper part of the oil drain port, the lower end face of the oil dipstick is located at the lowest end of the storage part, an oil dipstick port is formed in a shell at the upper part of the oil dipstick, and the oil dipstick is in threaded connection with the oil dipstick port.
6. The front-end device for preventing fuel injection of an air dryer of claim 5, wherein: the lower part of the oil dipstick is provided with an oil dipstick limiting groove, and the highest end of the oil dipstick limiting groove is level with the oil filtering grating.
7. The front-end device for preventing oil injection of an air dryer according to claim 1, wherein: the air inlet and the air outlet are respectively connected with the compressed air pipeline through the clamping sleeve type straight-through connector body, the steel pipe clamping sleeve and the clamping sleeve type pipe joint nut, the connection part of the compressed air pipeline and the air inlet and the air outlet is connected with the clamping sleeve type straight-through connector body through the clamping sleeve type straight-through connector body, the connection part is arranged between the clamping sleeve type straight-through connector body and the compressed air pipeline through the steel pipe clamping sleeve, and the clamping sleeve type straight-through connector body is connected with the compressed air pipeline through the clamping sleeve type pipe joint nut.
8. The front-end device for preventing oil injection of an air dryer according to claim 1, wherein: and the oil drain port is provided with an oil drain valve.
9. The front-end device for preventing oil injection of an air dryer according to claim 1, wherein: the filter element is oil filter paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322011829.9U CN220589322U (en) | 2023-07-28 | 2023-07-28 | Front device for preventing oil injection of air dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322011829.9U CN220589322U (en) | 2023-07-28 | 2023-07-28 | Front device for preventing oil injection of air dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220589322U true CN220589322U (en) | 2024-03-15 |
Family
ID=90180557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322011829.9U Active CN220589322U (en) | 2023-07-28 | 2023-07-28 | Front device for preventing oil injection of air dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220589322U (en) |
-
2023
- 2023-07-28 CN CN202322011829.9U patent/CN220589322U/en active Active
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