CN108167157B - Vertical air compressor - Google Patents
Vertical air compressor Download PDFInfo
- Publication number
- CN108167157B CN108167157B CN201711132468.6A CN201711132468A CN108167157B CN 108167157 B CN108167157 B CN 108167157B CN 201711132468 A CN201711132468 A CN 201711132468A CN 108167157 B CN108167157 B CN 108167157B
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- pressure
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- air compressor
- pressure piston
- piston assembly
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Classifications
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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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/12—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
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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
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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
- F04B39/06—Cooling; Heating; Prevention of freezing
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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
- F04B39/10—Adaptations or arrangements of distribution members
Abstract
The utility model relates to a vertical air compressor, which comprises an intercooler group (1), a high-pressure piston assembly (5), a low-pressure piston assembly (13), a piston cylinder (14), a crankcase (18) and a crankshaft (20), and is characterized in that: the air compressor adopts two-stage compression to improve the exhaust pressure, a motor (30) provides a power source, an elastic coupling (26) is used for directly driving an air compressor crankshaft (20) to rotate, and a high-pressure piston assembly (5) and a low-pressure piston assembly (13) which are arranged on the crank do up-and-down reciprocating motion; the front end of the intercooler group (1) is provided with a diversion fan (3). The air compressor has the advantages of clean air source, stable operation, high inflation efficiency, small volume, light weight, long service life, convenient installation and arrangement and the like.
Description
Technical Field
The utility model relates to the technical field of air compressors, in particular to a vertical air compressor.
Background
The automobile air compressor is mainly used for providing necessary air sources for automobile braking technology, suspension systems, automobile door opening and closing and auxiliary pneumatic devices. At present, the air compressors for vehicles mainly comprise sliding vane type air compressors, screw type air compressors, vortex type air compressors, piston type air compressors and the like, the common working pressure is too low, the machine type air compressors are huge in size, most of common compressors are oil-containing air compressors, the air source is polluted by oil, and the requirements of a new standard GB/T7258-2017 on the technical condition of safety in operation of motor vehicles and a large-displacement high-pressure air source for vehicles with the size of more than 9 meters can not be met.
For example, the Chinese patent with the publication number of CN 103437973B discloses a vertical star-shaped high-pressure air compressor, which has high air compression ratio, stable machine operation, low noise, low failure rate, small whole machine volume, compact arrangement and convenient maintenance and inspection. The vibration isolator comprises a vertically arranged motor, a crank case, a primary cylinder, a secondary cylinder, a tertiary cylinder and a quaternary cylinder, wherein a main shaft of the motor is connected with the crank case, the primary cylinder, the secondary cylinder, the tertiary cylinder and the quaternary cylinder are radially arranged along the radial direction of the main shaft of the motor, and four vibration isolators are connected below the crank case through brackets; a first-stage cooler is arranged below the first-stage cylinder, a second-stage cooler and a second-stage oil-water separator are combined and integrally arranged above the third-stage cylinder, and the device also comprises a third-stage cooler and a fourth-stage cooler, wherein two ends of the third-stage cooler are respectively combined and integrally arranged above the second-stage cylinder together with the third-stage oil-water separator and the fourth-stage oil-water separator; an oil tray is arranged below the crankcase; and the air cylinders are connected through pipelines. The two ends of the crankshaft are also connected with an upper balance weight and a lower balance weight. The high-pressure air compressor has few fault points and stable work; the compressor has the advantages of small volume, compact arrangement, clear level, large maintenance space, convenient inspection and disassembly, and no interference with each other during overhaul of each part. According to the utility model, the two ends of the three-level and four-level cooler are respectively combined with the three-level oil-water separator and the four-level oil-water separator to be integrally arranged above the second-level cylinder, so that the pipeline connection can be reduced, the pressure loss is further reduced, and meanwhile, the pipeline vibration caused by unit power transmission and airflow pulsation is also reduced. The design can further reduce vibration and noise, but brings inconvenience to assembly and increases manufacturing cost.
For example, the Chinese patent with the publication number of CN 204113588U discloses a vertical air compressor, which comprises an air storage tank arranged vertically, a pump body and a motor are arranged on a mounting plate, a linkage mechanism is arranged between the pump body and the motor, a support leg comprises a support leg pipe and a support leg rod, the support leg rod is slidingly arranged in the support leg pipe, a limit mechanism for fixing the support leg pipe and the support leg rod is arranged on the support leg pipe, a sliding rail arranged along the sliding direction of the support leg rod is arranged at the bottom end of the air storage tank, a sliding plate is arranged on the sliding rail and is in sliding connection with the sliding rail, a mounting groove is arranged on the bottom wall of the other end of the sliding plate opposite to the support leg rod, a supporting block is arranged in the mounting groove, an adjusting bolt for adjusting the height of the supporting block is arranged at the other end of the sliding plate opposite to the mounting groove, corresponding through holes are formed in the sliding plate, and corresponding threaded holes are formed in the supporting block and are rotationally connected with the sliding plate. The vertical air compressor is stable in storage, and solves the problem that the air compressor is broken due to the fact that the air compressor is easy to knock over. The air compressor lacks a vibration reduction mechanism, has larger vibration and is not stable in integral operation.
Disclosure of Invention
In order to solve the technical defects in the prior art, the utility model aims to provide a vertical air compressor, which solves the problems that the working pressure is too low, the machine type is huge, most of common compressors are oil air compressors, and the air source is polluted by oil.
In order to achieve the above design objective, the present utility model adopts the following scheme:
the utility model relates to a vertical air compressor, which comprises an intercooler group, a high-pressure piston assembly, a low-pressure piston assembly, a piston cylinder, a crankcase and a crankshaft, wherein the air compressor adopts two-stage compression to improve exhaust pressure, a motor provides a power source, the crankshaft of the air compressor is directly driven to rotate through an elastic coupling, and the high-pressure piston assembly and the low-pressure piston assembly which are arranged on the crank do up-and-down reciprocating motion; the front end of the intercooler group is provided with a diversion fan. The vertical type air source device can meet the requirements of large-displacement high-pressure air sources such as new energy buses with the length of more than nine meters, and has the advantages of clean air sources, stable operation, high inflation efficiency, small volume, light weight, long service life, convenience in installation and arrangement and the like.
Negative pressure is generated in the tail part of the guide fan when the guide fan works, and air flow is sucked from the cooling fin openings at two sides of the cooler to take away heat, blown out from the front end of the fan and used for cooling the cylinder head.
Preferably, the low-pressure piston assembly is provided with a low-pressure air inlet valve plate and a low-pressure connecting rod.
In any of the above solutions, preferably, a needle bearing is disposed in one end of the low-pressure connecting rod, and oil seals are disposed on two sides of the needle bearing.
In any of the above aspects, preferably, the needle bearing incorporates a piston pin, and the piston pin incorporates an oil reservoir in which lubricating oil is stored and sealed by a set screw.
In any of the above schemes, it is preferable that the two ends of the piston pin are sleeved with vibration-damping heat-insulating sleeves and are placed on the low-pressure piston through bolts.
In any of the above schemes, preferably, the upper side surface of the low pressure piston is provided with a self-lubricating guide ring and a self-lubricating piston ring with sealing function; the top of the low-pressure piston is fastened with the low-pressure air inlet valve plate through two bolts.
When the low-pressure piston assembly works, gas is sucked into the piston cylinder from the lower part of the piston, and meanwhile, the piston pin and the needle bearing are cooled, so that the service life of the needle bearing can be prolonged through the structural design.
In any of the above aspects, preferably, a high-pressure connecting rod is provided in the high-pressure piston assembly.
In any of the above solutions, it is preferable that the intercooler group is placed above the electric motor by a bracket, a first fastening bolt, and a second fastening bolt.
In any of the above aspects, it is preferable that the intercooler group includes a cooler having a front portion provided with a gasket over which the cooling fan is placed.
In any of the above schemes, it is preferable that a protective net cover is arranged on the outer side of the cooling fan and is fastened to the cooler through four bolts.
The tail part of the cooling fan is a closed space except for openings at the radiating fins at the two sides, negative pressure is generated in the tail part of the cooling fan during operation, and air flow is sucked from the radiating fin openings at the two sides of the cooling fan to take away heat, blown out from the front end of the cooling fan and used for cooling the cylinder head.
In any of the above solutions, it is preferable that heat dissipation fins are provided on both sides of the cooler.
In any of the above embodiments, the crankshaft is preferably mounted in the crankcase by a double row angular contact ball bearing.
In any of the above aspects, it is preferable that rolling bearings, high-pressure piston assemblies, and low-pressure piston assemblies are mounted on the left and right opposite cranks of the crankshaft.
In any of the above aspects, it is preferable that the high pressure piston assembly and the low pressure piston assembly are disposed within a piston cylinder.
In any of the above embodiments, it is preferable that the piston cylinder is mounted on the crankcase by a connecting bolt; a valve plate is arranged outside the piston cylinder.
In any of the above embodiments, preferably, the low pressure discharge valve plate is located at an upper portion of the valve plate.
In any of the above embodiments, preferably, the high-pressure discharge valve plate is located at an upper portion of the valve plate.
In any of the above aspects, preferably, the high-pressure intake valve plate is located below the valve plate.
In any of the above aspects, it is preferable that a cylinder head is disposed outside the valve plate and fastened to the cylinder block by a bolt group.
In any of the above aspects, it is preferable that an exhaust port is arranged at a front side of the cylinder head; two low-pressure cylinder vent pipes are arranged on two sides of the cylinder cover and connected to two sides of the intercooler group; an air inlet pipe is arranged at the tail part of the cylinder cover and is connected to the upper part of the intercooler.
In any of the above aspects, it is preferable that a front end cover is disposed on a front side of the crankcase; the tail part of the crankcase is connected with a rear end cover.
In any of the above aspects, preferably, a rolling bearing is placed on the inner side of the rear end cover, and an inner ring of the rolling bearing is placed on the coupling; the tail part of the rear end cover is fixed with the motor through a connecting bolt; the left and right upper sides of the rear end cover are connected with air inlet connectors; two sides of the rear end cover are also connected with two bearing brackets through connecting bolts.
In any of the above embodiments, preferably, 4 rubber vibration-damping pads are disposed below the load-bearing bracket.
The working principle of the vertical air compressor is as follows:
the utility model adopts two-stage compression to improve the exhaust pressure, a motor provides a power source, an elastic coupling is used for directly driving an air compressor crankshaft to rotate, a high-pressure piston assembly and a low-pressure piston assembly are arranged on the crank to do up-and-down reciprocating motion, wherein a low-pressure air inlet valve plate is arranged on the low-pressure piston, when the piston stops moving upwards from a bottom dead center, the volume in a cylinder is increased to generate negative pressure, and gas is sucked into the piston cylinder; when the piston stops moving upwards from the bottom dead center, the volume in the cylinder is reduced, gas is extruded, the air pressure is increased until the low-pressure exhaust valve plate is pushed to be exhausted, at the moment, primary compression of the primary cylinder gas is completed, the pressure of the compressed gas is lower and the temperature is higher, and then high-temperature low-pressure gas enters the intercooler group.
The cooling source is provided by the external fan to cool the gas in the intercooler, and when the cooled low-pressure gas moves from the top dead center to the bottom dead center, the volume in the cylinder is increased to generate negative pressure, and the gas is sucked into the piston cylinder from the high-pressure air inlet valve sheet. When the high-pressure piston assembly moves from the bottom dead center to the top dead center, the volume in the cylinder is reduced, the gas is extruded again, the air pressure is increased until the high-pressure exhaust valve plate is pushed to be exhausted, and the second compression of the gas is completed. The gas is continuously compressed and discharged after the repeated occurrence of the process.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a vertical air compressor according to the present utility model.
Fig. 2 is a front view of the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model.
Fig. 3 is a top view of the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model.
Fig. 4 is a cross-sectional view of the low pressure piston assembly in the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model.
Fig. 5 is a cross-sectional view of the high pressure piston assembly in the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model.
Fig. 6 is a schematic view showing the structure of an intercooler group in the preferred embodiment shown in fig. 1 of the vertical air compressor according to the present utility model.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. The following describes the specific embodiments of the vertical air compressor according to the present utility model with reference to the drawings.
As shown in fig. 1 to 3, the vertical air compressor according to the present utility model is schematically constructed.
The utility model relates to a vertical air compressor, which comprises an intercooler group 1, a high-pressure piston assembly 5, a low-pressure piston assembly 13, a piston cylinder 14, a crank case 18 and a crank shaft 20, wherein the air compressor adopts two-stage compression to improve the exhaust pressure, a motor 30 provides a power source, an elastic coupling 26 is used for directly driving the crank shaft 20 of the air compressor to rotate, and the high-pressure piston assembly 5 and the low-pressure piston assembly 13 arranged on the crank do up-and-down reciprocating motion; the front end of the intercooler group 1 is provided with a diversion fan 3. The vertical type air source device can meet the requirements of large-displacement high-pressure air sources such as new energy buses with the length of more than nine meters, and has the advantages of clean air sources, stable operation, high inflation efficiency, small volume, light weight, long service life, convenience in installation and arrangement and the like.
Negative pressure is generated in the tail part of the guide fan 3 when the guide fan works, air flow is sucked from the cooling fin openings at two sides of the cooler to take away heat, and the air flow is blown out from the front end of the fan to cool the cylinder head.
In this embodiment, the intercooler assembly 1 is placed above the motor 30 by the bracket 32, the first fastening bolt 17, and the second fastening bolt 29.
As shown in fig. 4, a sectional view of the low pressure piston assembly in the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model.
In this embodiment, the low pressure piston assembly 13 is provided with a low pressure intake valve plate 12 and a low pressure connecting rod 46.
In this embodiment, a needle bearing 50 is disposed in one end of the low-pressure connecting rod 46, and oil seals 47 are disposed on both sides of the needle bearing.
In this embodiment, the needle bearing 50 houses a piston pin 41 having a built-in oil reservoir storing lubricating oil 43 and sealed by a set screw 48.
In this embodiment, the two ends of the piston pin 41 are sleeved with vibration-damping heat-insulating sleeves 42, and are placed on the low-pressure piston 38 through first bolts 49.
In this embodiment, the upper side surface of the low pressure piston 38 is provided with a self-lubricating guide ring 40 and a self-lubricating piston ring 39 with sealing function; the top of the low pressure piston 38 is secured to a low pressure intake valve plate 45 by two second bolts 44.
When the low-pressure piston assembly 13 works, gas is sucked into the piston cylinder from the lower part of the piston, and meanwhile, the piston pin 41 and the needle bearing are cooled, so that the service life of the needle bearing can be prolonged through the structural design.
Referring next to fig. 5, a cross-sectional view of the high pressure piston assembly of the preferred embodiment of fig. 1 of a vertical air compressor according to the present utility model is shown.
In the present embodiment, the high-pressure piston assembly 5 is provided therein with a high-pressure connecting rod 61.
In this embodiment, a needle bearing 60 is disposed in one end of the high-pressure connecting rod 61, oil seals 57 are disposed on both sides of the needle bearing, a piston pin 53 is disposed in the bearing, a lubricant 59 is disposed in an oil storage tank disposed in the piston pin 53 and sealed by a set screw 54, vibration-damping and heat-insulating sleeves 58 are sleeved on both ends of the piston pin, and are disposed on the high-pressure piston 56 by bolts 55, a self-lubricating guide ring 52 is disposed on the upper side of the piston, and two self-lubricating piston rings 51 having a sealing function are disposed.
Finally, referring to fig. 6, a schematic diagram of the intercooler assembly in the preferred embodiment of fig. 1 of the vertical air compressor according to the present utility model is shown.
In the present embodiment, the intercooler group 1 includes a cooler 62 having a front portion provided with a gasket 63 over which a cooling fan 64 is placed.
In this embodiment, a protective screen 66 is provided on the outer side of the cooling fan 64, and is fastened to the cooler by four third bolts 65.
The tail of the cooling fan 64 is a closed space except for openings at the radiating fins at the two sides, negative pressure is generated in the tail of the fan during operation, and air flow is sucked from the radiating fin openings at the two sides of the cooler to take away heat, blown out from the front end of the fan and used for cooling the cylinder head.
In this embodiment, heat dissipation fins are disposed on both sides of the cooler 62.
In this embodiment, the crankshaft 20 is housed in the crankcase 18 by a load-bearing double row angular contact ball bearing 19.
In the present embodiment, the first rolling bearing 16, the high-pressure piston assembly 5 and the low-pressure piston assembly 13 are mounted on the left and right opposite cranks of the crankshaft 20.
In this embodiment, the high pressure piston assembly 5 and the low pressure piston assembly 13 are disposed within a piston cylinder 14.
In this embodiment, the piston cylinder 14 is mounted to the crankcase 18 by connecting bolts; the valve plate 8 is arranged outside the piston cylinder 14.
In this embodiment, the low pressure discharge valve plate 9 is located at the upper portion of the valve plate 8.
In this embodiment, the high-pressure discharge valve plate 7 is located at the upper portion of the valve plate 8.
In this embodiment, the high-pressure intake valve plate 6 is located below the valve plate 8.
In the present embodiment, the outside of the valve plate 8 is provided with a cylinder head 10 and fastened to the cylinder block by a bolt group 37.
In the present embodiment, the front side of the cylinder head 10 is provided with an exhaust port 11; two low-pressure cylinder vent pipes 34 are arranged on two sides of the cylinder cover 10 and connected to two sides of the intercooler group 1; the tail of the cylinder cover 10 is provided with an air inlet pipe 2 connected to the upper part of the intercooler.
In the present embodiment, a front end cap 181 is disposed on the front side of the crankcase 18; a rear end cap 22 is attached to the rear of the crankcase 18.
In the present embodiment, a second rolling bearing 23 is placed on the inner side of the rear end cover 22, and the inner ring of the rolling bearing is placed on the coupling 26; the tail of the rear end cover 22 is fixed with the motor 30 through a first connecting bolt 33; the left and right upper sides of the rear end cover 22 are connected with air inlet joints 36; two bearing brackets 35 are also connected to both sides of the rear end cap 22 by means of the second connecting bolts 25.
In this embodiment, 4 rubber vibration damping pads 28 are arranged below the load-bearing bracket 35.
The working principle of the vertical air compressor is as follows:
the utility model adopts two-stage compression to improve the exhaust pressure, a motor 30 provides a power source, an elastic coupling 26 is used for directly driving an air compressor crankshaft 20 to rotate, high and low pressure piston assemblies 5 and 13 arranged on the cranks do up-and-down reciprocating motion, wherein a low pressure air inlet valve sheet 12 is arranged on the low pressure piston, when the piston stops moving upwards from a bottom dead center, the volume in the cylinder is increased to generate negative pressure, and gas is sucked into a piston cylinder 14; when the piston stops moving upwards from the bottom dead center, the cylinder inner volume is reduced, gas is extruded, the air pressure is increased until the low-pressure exhaust valve plate 9 is pushed to be exhausted, at the moment, primary compression of the primary cylinder gas is completed, at the moment, the pressure of the compressed gas is lower and the temperature is higher, and then high-temperature low-pressure gas enters the intercooler group 1.
The cooling source provided by the external fan 3 cools the air in the intercooler, and when the cooled low-pressure air moves from the top dead center to the bottom dead center, the volume in the cylinder increases to generate negative pressure, and the air is sucked into the cylinder from the high-pressure air inlet valve sheet 6. When the high-pressure piston assembly 5 moves from the bottom dead center to the top dead center, the cylinder inner volume is reduced, the gas is extruded again, the air pressure is increased until the high-pressure exhaust valve plate 7 is pushed to be exhausted, and the second compression of the gas is completed. The gas is continuously compressed and discharged after the repeated occurrence of the process.
It will be understood by those skilled in the art that the vertical air compressor of the present utility model includes any combination of the parts in the present specification. These combinations are not described in detail herein for the sake of brevity and clarity of the description, but the scope of the utility model, which is defined by any combination of the various parts of this specification, is not to be construed as limiting.
Claims (7)
1. The utility model provides a vertical air compressor machine, includes intercooler group (1), high pressure piston subassembly (5), low pressure piston subassembly (13), piston cylinder (14), crankcase (18) and bent axle (20), its characterized in that: the air compressor adopts two-stage compression to improve the exhaust pressure, a motor (30) provides a power source, an elastic coupling (26) is used for directly driving an air compressor crankshaft (20) to rotate, and a high-pressure piston assembly (5) and a low-pressure piston assembly (13) which are arranged on the crank do up-and-down reciprocating motion; the front end of the intercooler group (1) is provided with a diversion fan (3); the intercooler group (1) comprises a cooler (62) with a sealing gasket (63) arranged at the front part and a cooling fan (64) arranged above the sealing gasket; radiating fins are arranged on two sides of the cooler (62); the crankshaft (20) is arranged in the crankcase (18) through a double-row angular contact ball bearing (19) for bearing; the left and right opposite cranks of the crankshaft (20) are provided with a first rolling bearing (16), a high-pressure piston assembly (5) and a low-pressure piston assembly (13); one end of the low-pressure connecting rod (46) is internally provided with a needle bearing (50), and both sides of the needle bearing are provided with oil seals (47); the needle bearing (50) is internally provided with a piston pin (41), and an oil storage tank arranged in the piston pin is stored with lubricating oil (43) and is sealed by a set screw (48); the two ends of the piston pin (41) are sleeved with vibration reduction and heat insulation sleeves (42) and are placed on the low-pressure piston (38) through first bolts (49); a front end cover (181) is arranged on the front side of the crankcase (18); the tail part of the crankcase (18) is connected with a rear end cover (22); the inner side of the rear end cover (22) is provided with a second rolling bearing (23), and the inner ring of the rolling bearing is arranged on the coupler (26); the tail part of the rear end cover (22) is fixed with a motor (30) through a first connecting bolt (33); the left and right upper sides of the rear end cover (22) are connected with an air inlet joint (36); two bearing brackets (35) are also connected to the two sides of the rear end cover (22) through second connecting bolts (25).
2. The vertical air compressor according to claim 1, wherein: the low-pressure piston assembly (13) is provided with a low-pressure air inlet valve plate (12) and a low-pressure connecting rod (46).
3. The vertical air compressor according to claim 1, wherein: the upper side surface of the low-pressure piston (38) is provided with a self-lubricating guide ring (40) and a self-lubricating piston ring (39) with a sealing function; the top of the low-pressure piston (38) is fastened with a low-pressure air inlet valve plate (45) through two second bolts (44).
4. The vertical air compressor according to claim 1, wherein: a high-pressure connecting rod (61) is arranged in the high-pressure piston assembly (5).
5. The vertical air compressor according to claim 1, wherein: the intercooler group (1) is arranged above the motor (30) through the bracket (32), the first fastening bolt (17) and the second fastening bolt (29).
6. The vertical air compressor according to claim 1 or 5, wherein: the intercooler group (1) comprises a cooler (62) with a sealing gasket (63) arranged at the front and a cooling fan (64) arranged above the sealing gasket.
7. The vertical air compressor according to claim 6, wherein: the outer side of the cooling fan (64) is provided with a protective net cover (66) and is fastened on the cooler through four third bolts (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132468.6A CN108167157B (en) | 2017-11-15 | 2017-11-15 | Vertical air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132468.6A CN108167157B (en) | 2017-11-15 | 2017-11-15 | Vertical air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167157A CN108167157A (en) | 2018-06-15 |
| CN108167157B true CN108167157B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711132468.6A Active CN108167157B (en) | 2017-11-15 | 2017-11-15 | Vertical air compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404248B (en) | 2018-10-17 | 2024-03-26 | 浙江瑞立空压装备有限公司 | Vehicle-mounted electric oil-free air compressor |
| CN110107473B (en) * | 2019-04-11 | 2021-06-18 | 浙江科力车辆控制系统有限公司 | Oil-free piston type air compressor for new energy vehicle |
| CN109973357A (en) * | 2019-04-11 | 2019-07-05 | 浙江科力车辆控制系统有限公司 | A kind of transmission mechanism of oil-free piston type air compressor and combinations thereof formula crankshaft |
| CN111120263B (en) * | 2020-01-20 | 2022-11-11 | 浙江瑞立空压装备有限公司 | Air compressor for automobile |
| CN112096596B (en) * | 2020-09-19 | 2023-05-09 | 台州市喃语电子商务有限公司 | Piston mechanism for compressor adopting heat-insulating piston pin |
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