CN116378926A - Air compressor for automobile air suspension system - Google Patents
Air compressor for automobile air suspension system Download PDFInfo
- Publication number
- CN116378926A CN116378926A CN202310486415.3A CN202310486415A CN116378926A CN 116378926 A CN116378926 A CN 116378926A CN 202310486415 A CN202310486415 A CN 202310486415A CN 116378926 A CN116378926 A CN 116378926A
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- Prior art keywords
- air
- cylinder
- piston
- passage
- piston cylinder
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- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 abstract description 17
- 239000000428 dust Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
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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
- F04B25/00—Multi-stage pumps
- F04B25/005—Multi-stage pumps with two cylinders
-
- 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
-
- 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
- F04B39/0005—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 adaptations of pistons
-
- 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
- F04B39/0005—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 adaptations of pistons
- F04B39/0016—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 adaptations of pistons with valve arranged in the piston
-
- 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
- F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- 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
- F04B39/16—Filtration; Moisture separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vehicle Body Suspensions (AREA)
- Compressor (AREA)
Abstract
The invention relates to the technical field of automobile air compression equipment, in particular to an air compressor for an automobile air suspension system, which comprises an air cylinder, a piston assembly arranged in the air cylinder, a shell communicated with the air cylinder, a driving mechanism arranged in the shell, an air passage shell arranged at the top of the air cylinder, an exhaust valve, an enthalpy increasing valve and a drying filter barrel arranged at the top of the shell, wherein the air cylinder comprises a first piston cylinder, a second piston cylinder and an intermediate passage communicated with the first piston cylinder and the second piston cylinder, the shell comprises an air inlet and an air filter, and the air passage shell comprises a first communication groove and a second communication groove which are formed in the lower end face, a mounting port formed in the side face of the air passage shell, an enthalpy increasing outlet, an enthalpy increasing inlet and an exhaust passage which are formed in the upper end face of the air passage shell. The invention can reversely carry out dust particles in the dryer when exhausting, thereby improving the working efficiency of the dryer.
Description
Technical Field
The invention relates to the technical field of automobile air compression, in particular to an air compressor for an automobile air suspension system.
Background
Air compressors are currently on the market largely divided into single stage compression and two stage compression air compressors as the core components of air suspension systems. The air compressor is used for providing dry compressed air for the air suspension system and inputting the compressed air into the air storage tank or the air spring so as to finish the horizontal adjustment of the height of the vehicle.
In the prior art, the adopted two-stage air compressor has high working power compared with a single-stage air compressor, however, the working mode of the air compressor integrated with the air filter in the prior art is that input air enters the air filter to filter dust particles, however, after the air compressor works for a period of time, dust particles are accumulated in the air filter, and if the air filter is not replaced in time, the working efficiency of the air filter is reduced.
Disclosure of Invention
Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present invention is to: an air compressor for an automotive air suspension system is provided that is capable of reverse carrying out moisture in an air dryer and particulates in a filter during exhaust, thereby improving the operating efficiency of the dryer.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses an air compressor for an automobile air suspension system, which comprises an air cylinder, a piston assembly arranged in the air cylinder, a shell communicated with the air cylinder, a driving mechanism arranged in the shell, an air passage shell arranged at the top of the air cylinder, an exhaust valve, an enthalpy increasing valve and a drying filter barrel arranged at the top of the shell, wherein the air cylinder comprises a first piston cylinder, a second piston cylinder and a middle passage communicated with the first piston cylinder and the second piston cylinder, the shell comprises an air inlet and an air filter, the air passage shell comprises a first communication groove, a second communication groove, a mounting port arranged on the side surface of the air passage shell, an enthalpy increasing outlet, an enthalpy increasing inlet and an exhaust passage arranged on the upper end surface of the air passage shell, the first communication groove is communicated with the input end of the second piston cylinder, the mounting port is communicated with the input end of the filtering filter barrel, the mounting port is also provided with a passage communicated with the second communication groove, the output end of the drying filter barrel is provided with the air inlet, and the air passage is also communicated with the bottom end of the air cylinder.
Further, the piston assembly comprises a connecting rod, a first piston arranged at one end of the connecting rod and a second piston arranged at the other end of the connecting rod.
Further, the first piston further comprises a first air inlet channel and a first air inlet valve plate arranged on the first air inlet channel.
Further, a first air outlet channel is formed in the bottom of the first piston cylinder, the first air outlet channel is communicated with one end of the middle passage, and a first air outlet valve plate is arranged at the connection position of the first air outlet channel and the middle passage.
Further, a second air inlet channel and a second air outlet channel are formed in the top of the second piston cylinder, a second air inlet valve plate is arranged on the second air inlet channel, and a second air outlet valve plate is arranged on the second air outlet channel.
Further, the first communicating groove is communicated with the middle passage and the second air inlet passage, and the gas in the first piston cylinder subjected to primary compression enters the first communicating groove sequentially through the middle passage and then enters the second piston cylinder sequentially through the second air inlet passage and the second air inlet valve plate to perform secondary compression.
Further, a pressure relief channel is further formed in the top of the second piston cylinder, one end of the pressure relief channel is communicated with the inner cavity of the shell, and the second communication groove is communicated with the second air outlet channel and the pressure relief channel.
Further, a mechanical pressure relief valve is arranged in the pressure relief channel.
Further, the enthalpy increasing valve is arranged at the enthalpy increasing outlet, and the enthalpy increasing outlet and the enthalpy increasing inlet are communicated with the first communicating groove.
Further, the exhaust valve is installed at the exhaust passage, and a silencing cut-off device is further arranged in the exhaust passage.
The beneficial effects of the invention are as follows: the air compressor for the automobile air suspension system is provided with the exhaust valve and the exhaust channel, when in exhaust, the exhaust valve is opened, high-pressure air sequentially passes through the air inlet, the filter drying barrel, the mounting opening and the exhaust channel, then enters the shell through the mounting cavity, and then reversely blows the air filter, and finally is output from the air inlet, and the high-pressure air can bring particles, dust and the like in the filter element of the air filter together, so that the working efficiency of the air filter is improved; the gas in the gas tank is opened through the enthalpy increasing valve and is input into the first communication groove, and then enters the second piston cylinder to be subjected to secondary compression together with primary compressed gas output by the first piston cylinder through the second air inlet channel and the second air inlet valve plate, so that the exhaust amount of the second compression cavity is increased, the faster spring pumping speed is realized, and the faster vehicle lifting is realized.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic structural view of an air compressor for an automotive air suspension system of the present invention;
FIG. 2 is a side view of an air compressor for an automotive air suspension system of the present invention;
FIG. 3 is a top view of an air compressor for an automotive air suspension system of the present invention;
FIG. 4 is an exploded view of an air compressor for an automotive air suspension system of the present invention;
FIG. 5 is an exploded view of another view of an air compressor for an automotive air suspension system of the present invention;
FIG. 6 is a schematic illustration of the piston assembly and drive mechanism of the present invention;
fig. 7 is a schematic view of the structure of the cylinder (excluding the head) of the present invention;
FIG. 8 is a top view of a cylinder (excluding the head) of the present invention;
FIG. 9 is a schematic structural view of the airway housing of the present invention;
FIG. 10 is a side view of the airway housing of the present invention;
FIG. 11 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 13 is a cross-sectional view taken along line C-C of FIG. 8;
FIG. 14 is a cross-sectional view taken along line D-D of FIG. 8;
fig. 15 is a cross-sectional view taken along line E-E of fig. 10.
The names and the numbers of the parts in the figure are respectively as follows:
the cylinder 1, the cylinder body 11, the cylinder cover 12, the first air outlet channel 121, the first air outlet valve plate 122, the mounting cavity 13, the first piston cylinder 14, the first cylinder sleeve 141, the second piston cylinder 15, the second cylinder sleeve 151, the second air inlet channel 152, the second air outlet channel 153, the second air inlet valve plate 154, the second air outlet valve plate 155, the pressure relief channel 156, the mechanical pressure relief valve 157 and the intermediate passage 16;
the piston assembly 2, the connecting rod 21, the first bearing 22, the first piston 23, the first piston body 231, the first piston ring 232, the first piston head 233, the first air intake passage 2331, the first air intake valve plate 234, the bolt 235, the second piston 24, the second piston body 241, the second piston ring 242, the second piston head 243, the fixing pin 25, the needle bearing 26;
a housing 3, a case 31, a rear cover 32, an air inlet 33, an air filter 34;
the motor comprises a driving mechanism 4, a motor main shaft 41, a transmission pin 42, a first balancing weight 43, a second balancing weight 44, a second bearing 45, a bearing sleeve 451, a third bearing 46, a motor rotor 47, a motor stator 48 and a carbon brush holder 49;
an air passage housing 5, a first communication groove 51, a second communication groove 52, a mounting port 53, an enthalpy increasing outlet 54, an enthalpy increasing inlet 55, an exhaust passage 56, and a muffler interceptor 57;
an exhaust valve 6, an enthalpy increasing valve 7, a drying filter drum 8, an inflating port 81 and a temperature sensor 9.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
As shown in fig. 1 to 15, the present invention provides an air compressor 100 for an air suspension system of an automobile, a cylinder 1, a piston assembly 2 installed inside the cylinder 1, a housing 3, a driving mechanism 4 installed inside the housing 3, an air passage housing 5 installed at the top of the cylinder 1, an exhaust valve 6, an enthalpy increasing valve 7, and a drying filter tub 8 provided at the top of the housing 3.
As shown in fig. 11 and 12, in some of the embodiments, the cylinder 1 includes a cylinder block 11, a cylinder head 12 provided to cover the bottom of the cylinder block 11, and a mounting chamber 13 provided inside the cylinder block 11, and a first piston cylinder 14 and a second piston cylinder 15 provided at upper and lower ends, respectively. The cylinder 11 is an integrally formed structure, and is communicated with one side of the housing 3 at one side of the cylinder 11, and is suitable for mounting an output end of the driving mechanism 4. The cylinder cover 12 is sealed and arranged at the bottom of the cylinder body 11. The mounting chamber 13 is adapted to mount the piston assembly 2 therein. The first piston cylinder 14 is opened at a lower end position inside the cylinder 1, and the bottom of the first piston cylinder 14 is sealed by the cylinder head 12. The diameter of the first piston cylinder 15 is larger than that of the second piston cylinder 15, the first piston cylinder 14 comprises a first cylinder sleeve 141 arranged on the inner wall of the first piston cylinder 14, the surface of the first cylinder sleeve 141 is subjected to nickel plating treatment, the surface smoothness of the inner part of the first piston cylinder 14 can be improved, the friction force is reduced, the air supply efficiency of the air compressor is improved, and the first cylinder sleeve 141 is pressed into the first piston cylinder 14 through a press. The second piston cylinder 15 comprises a second cylinder sleeve 151 arranged on the inner wall of the second piston cylinder 15, and the surface of the second cylinder sleeve 151 is subjected to nickel plating treatment, so that the surface finish of the interior of the second piston cylinder 15 can be improved, the friction force is reduced, the air supply efficiency of the air compressor is improved, the second cylinder sleeve 151 is pressed into the second piston cylinder 15 through a press, namely, nickel plating layers are arranged on the surfaces of the first cylinder sleeve 141 and the second cylinder sleeve 151. The piston assembly 2 installs the piston assembly 2 through the opening of cylinder body 11 bottom, then establishes sealed lid through cylinder cap 12 to the bottom of cylinder body 11, through being provided with first cylinder liner 141 and second cylinder liner 151 on the inner wall of first piston cylinder 14 and second piston cylinder 15 respectively, and carry out nickel plating to the surface of first cylinder liner 141 and second cylinder liner 151, with prior art, carry out the mode of anodic oxidation to whole cylinder body 11, the manufacturing cost of this case is lower, and carry out nickel plating and handle the cylinder liner hardness higher than the cylinder body of anodic oxidation, has improved the life of cylinder 1.
As shown in fig. 7, 8 and 13, in some embodiments, an intermediate passage 16 is further provided in the cylinder 11 to communicate the first piston cylinder 14 and the second piston cylinder 15, and the gas compressed at one stage by the first piston cylinder 14 is input into the second piston cylinder 15 via the intermediate passage 16 for two-stage compression. A first air outlet channel 121 is formed in the bottom of the cylinder cover 12, which is located at the first piston cylinder 14, the first air outlet channel 121 is communicated with one end of the middle passage 16, and a first air outlet valve plate 122 is arranged at the connection position of the first air outlet channel 121 and the middle passage 16. A second air inlet channel 152 and a second air outlet channel 153 are provided at the top of the second piston cylinder 15, a second air inlet valve plate 154 is provided on the second air inlet channel 152, and a second air outlet valve plate 155 is provided on the second air outlet channel 153. A pressure relief channel 156 is also provided at the top of the second piston cylinder 15, and the other end of the pressure relief channel 156 communicates with the internal cavity of the housing 3. A mechanical relief valve 157 is installed in the relief passage 156, and when the pressure output from the second piston cylinder 15 reaches 25-29bar, the mechanical relief valve 157 automatically opens the bleed, and the discharged gas enters the housing 3 through the relief passage 156, is back-blown to the air filter 34, and is finally output from the air inlet 33. The automatic shut-off is not limited to this value when the pressure is below 24bar, thereby protecting the air compressor from abnormally high pressures.
In some of these embodiments, the piston assembly 2 is generally symmetrical about a central axis, and the center of mass of the piston assembly 2 is located on the central axis. The piston assembly 2 is mounted in a mounting cavity 13 within the cylinder 11 through a bottom opening of the cylinder 11. The piston assembly 2 includes a connecting rod 21, a first bearing 22 fitted around the connecting rod 22 at a substantially middle position, a first piston 23 provided at one end of the connecting rod 21, and a second piston 24 provided at the other end of the connecting rod 21. The first piston 23 is sized to fit the inner sidewall of the first cylinder liner 141, and the first piston 23 includes a first piston body 231, a first piston ring 232 surrounding the outer side of the first piston body 231, and a first piston head 233 for fixing the first piston ring 232. The second piston 24 is sized to fit the sidewall of the second cylinder housing 15, and the second piston 24 includes a second piston body 241, a second piston ring 242 surrounding an outer side surface of the second piston body 241, and a second piston head 243 for fixing the second piston ring 242. When the piston assembly 2 works, the first piston 23 and the second piston 24 are driven by the driving mechanism 3 to do piston movement in the first piston cylinder 14 and the second piston cylinder 15 respectively.
In some of these embodiments, the first piston 23 further includes a first air intake channel 2331, where the first air intake channel 2331 is opened at the first piston head 233 for inputting external air into the first piston cylinder 14 for compression. The first piston 23 further includes a first intake valve plate 234 provided on the first intake passage 2331 and a bolt 235 for fixing the first intake valve plate 234.
In some embodiments, the piston assembly 2 further includes a fixed pin 25 connecting the first piston 23 and the connecting rod 22, and a needle bearing 26 sleeved outside the fixed pin 25. The fixed pin 25 is cylindrical, the needle bearing 26 is disposed in the connecting rod 22, and the fixed pin 25 passes through an inner ring of the needle bearing 26 to connect the first piston 23.
In some of these embodiments, the housing 3 is used to mount the driving mechanism 4, and the housing 3 includes a housing 31, a rear cover 32 provided to cover one end of the housing 31, an air inlet 33 provided to the rear cover 32, and an air filter 34 connected to the air inlet 33. The side of the housing 31 remote from the rear cover 32 communicates with the cylinder 1 and the output end of the drive mechanism 4 is adapted to be connectable to a piston assembly 2 located within the cylinder 1. The outside air supplied from the intake port 33 is filtered by the air filter 34, enters the cylinder 11 through the space inside the housing 31, and enters the first piston cylinder 14 through the first intake passage 2331 of the first piston 23 through the first intake valve plate 234 to be first-stage compressed.
In some of these embodiments, the driving mechanism 4 includes a motor main shaft 41, a driving pin 42 connected to one end of the motor main shaft 41, a first weight 43 and a second weight 44 provided on the driving pin 42, a second bearing 45 and a third bearing 46 provided at both ends of the motor main shaft 41, respectively. The central axis of the motor main shaft 41 is parallel to the central axis of the drive pin 42, the drive mechanism 4 transmits kinetic energy to the drive pin 42 through the motor main shaft 41, the central axis of the drive pin 42 is offset from the central axis of the motor main shaft 41, the offset distance a between the central axis of the drive pin 42 and the central axis of the center main shaft 41 is set, the up-down stroke of the first piston 23 and the second piston 24 is set to be 2a, and the drive pin 42 is mounted through the first bearing 22 on the piston assembly 2. The first balancing weight 43 and the second balancing weight 44 are respectively sleeved on the driving pin 42, and the driving pin 42 passes through the first bearing 22 of the piston assembly 2 to be fixed, and the first balancing weight 43 and the second balancing weight 44 are respectively positioned at two sides of the piston assembly 2 and are symmetrical along the central axis of the piston assembly 2. The first balancing weight 43 and the second balancing weight 44 are arranged on two sides of the piston assembly 2, so that unbalanced force generated when the piston assembly 2 moves can be balanced, the air compressor is more stable in operation, and noise is lower. The second bearing 45 is disposed at an end near the piston assembly 2, and a bearing housing 451 is further disposed at an outer side surface of the second bearing 45, and the motor main shaft 41 is mounted at one side of the cylinder 1 at an end near the piston assembly 2 through the bearing housing 451. The third bearing 46 is mounted on the rear cover 32, and the second bearing 45 and the third bearing 46 play a supporting role, so that the driving mechanism 4 rotates more stably.
In some of these embodiments, the drive mechanism 4 further comprises a motor rotor 47, a motor stator 48 and a carbon brush holder 49 arranged outside the motor spindle 41. By switching on the power supply, the motor spindle 42 is driven to rotate, so that the piston assembly 2 is driven to perform piston movement in the cylinder 1.
In some of these embodiments, the air passage housing 5 is mounted above the cylinder 1. The lower end surface of the air passage shell 5 is in sealing connection with the upper end surface of the air cylinder 1. A first communication groove 51 and a second communication groove 52 are provided on the lower end surface of the air passage housing 5. The first communication groove 51 is communicated with the middle passage 16 and the second air inlet passage 152, so that the gas in the first piston cylinder 14 subjected to primary compression enters the first communication groove 51 through the first air outlet passage 121, the first air outlet valve plate 122 and the middle passage 16 at the bottom in sequence, and then enters the second piston cylinder 15 through the second air inlet passage 152 and the second air inlet valve plate 154 in sequence for secondary compression. As shown in fig. 14, the second communication groove 52 is communicated with the second air outlet channel 153 and the pressure release channel 156, the high-pressure gas after the secondary compression of the second piston cylinder 15 enters the second air outlet channel 153 through the second air outlet valve plate 155 and then enters the second communication groove 52, if the pressure in the second piston cylinder 15 reaches the threshold value of the mechanical pressure release valve 157 at this time, the mechanical pressure release valve 157 is opened, the pressure release channel 156 is communicated, the mechanical pressure release valve 157 opens to release air, the high-pressure gas enters the housing 3 through the pressure release channel 156, the air filter 34 is back blown, and finally the high-pressure gas is output from the air inlet 33.
In some of the embodiments, the drying filter vat 8 is installed at one side of the air passage housing 5, and an air-pumping port 81 is provided at an output end of the drying filter vat 8, and high-pressure air dried through the drying filter vat 8 is output through the air-pumping port 81. The air inlet 81 is connected with an air spring of the automobile, and high-pressure air output by the air inlet 81 enters the air spring of the automobile and is used for lifting the automobile body. The input end of the drying filter vat 8 is mounted with one side of the air passage housing 5.
In some embodiments, a mounting opening 53 is further provided on one side of the air duct housing 5, the mounting opening 53 being in communication with the input end of the filter drying tub 8. The mounting opening 53 is further provided with a channel communicated with the second communicating groove 52, so that the high-pressure gas after the secondary compression of the second piston cylinder 15 enters the second air outlet channel 153 through the second air outlet valve plate 155, then enters the second communicating groove 52, enters the drying filter vat 8 through the mounting opening 52 to filter out water vapor in the high-pressure gas, and finally is output to the air spring through the air inlet 81.
As shown in fig. 15, in some embodiments, the upper end surface of the air passage housing 5 is further provided with an enthalpy increasing outlet 54, an enthalpy increasing inlet 55, and an exhaust passage 56. The enthalpy increasing valve 7 is mounted on the air passage housing 5 at an enthalpy increasing outlet 54, and the enthalpy increasing outlet 54 and an enthalpy increasing inlet 55 are communicated with the first communication groove 51, and the enthalpy increasing inlet 55 is communicated with an external air tank (not shown in the figure) for air supply. When the second piston cylinder 15 needs to be supplied with air, the enthalpy increasing valve 7 is opened, and the air in the air tank is input into the first communication groove 51 through the enthalpy increasing outlet 54, and then enters the second piston cylinder 15 through the second air inlet channel 152 and the second air inlet valve plate 154 together with the first-stage compressed air output by the first piston cylinder 14 for secondary compression, so that the air displacement of the second compression cavity 42 is increased. The exhaust valve 6 is installed at an exhaust passage 56 on the air passage housing 5, and a muffler interceptor 57 for reducing noise of the high pressure gas is further provided in the exhaust passage 56. The bottom end of the exhaust passage 56 is communicated with the installation cavity 13 inside the cylinder 13, and a communication passage is further provided between the exhaust passage 56 and the installation port 53. When the air compressor needs to exhaust, the exhaust valve 6 is opened, and at this time, high-pressure gas sequentially enters the shell 3 through the air inlet 81, the filter drying barrel 8, the mounting opening 53 and the exhaust channel 56, then enters the shell 3 through the mounting cavity 13, and then reversely blows the air filter 34, and finally is output from the air inlet 33, so that the high-pressure gas can bring out particles, dust and the like in the filter element of the air filter 34, and the working efficiency of the air filter 34 is improved.
In some of these embodiments, the air compressor 100 further includes a temperature sensor 9 disposed at an outer portion of the cylinder 1 near the second piston cylinder 15 for detecting the temperature of the cylinder 1, ensuring that the air compressor 100 operates normally.
In the air compressor 100 for an air suspension system of an automobile of the present invention, during normal intake compression, the exhaust valve 6 and the enthalpy increasing valve 7 are closed, and first, outside air is filtered through the air filter 34 inputted from the air inlet 33, enters the cylinder 11 through the gap inside the housing 31, enters the first piston cylinder 14 through the first intake passage 2331 on the first piston 23 through the first intake valve plate 234, and is subjected to primary compression; then, the compressed primary high-pressure gas enters the first communication groove 51 through the first air outlet channel 121, the first air outlet valve plate 122 and the middle passage 16 at the bottom, and then enters the second piston cylinder 15 through the second air inlet channel 152 and the second air inlet valve plate 154 in sequence for secondary compression; the high-pressure gas subjected to secondary compression by the second piston cylinder 15 enters the second air outlet channel 153 through the second air outlet valve plate 155, then enters the second communication groove 52, enters the drying filter drum 8 through the mounting opening 52 to filter water vapor in the high-pressure gas, and finally is output to the air spring through the air inlet 81.
When the air compressor 100 for the automobile air suspension system is used for exhausting, the exhaust valve 6 is opened, the enthalpy increasing valve 7 is closed, high-pressure air sequentially passes through the air inlet 81, the filter drying barrel 8, the mounting opening 53 and the exhaust channel 56, then enters the shell 3 through the mounting cavity 13, then reversely blows the air filter 34, finally is output from the air inlet 33, and the high-pressure air can bring out particles, dust and the like in the filter element of the air filter 34, so that the working efficiency of the air filter 34 is improved.
When the air compressor 100 for the automobile air suspension system needs air supplementing and enthalpy increasing, the exhaust valve 6 is closed, the enthalpy increasing valve 7 is opened, firstly, external air is filtered through the air filter 34 and input through the air inlet 33, enters the air cylinder 11 through a gap in the shell 31, and enters the first piston cylinder 14 through the first air inlet channel 2331 on the first piston 23 and the first air inlet valve plate 234 for primary compression; then, the compressed primary high-pressure gas enters the first communication groove 51 through the first air outlet channel 121, the first air outlet valve plate 122 and the middle passage 16 at the bottom, at this time, the gas in the gas tank is input into the first communication groove 51 through the enthalpy increasing outlet 54, and then enters the second piston cylinder 15 through the second air inlet channel 152 and the second air inlet valve plate 154 together with the primary compressed gas output by the first piston cylinder 14 for secondary compression; the high-pressure gas subjected to secondary compression by the second piston cylinder 15 enters the second air outlet channel 153 through the second air outlet valve plate 155, then enters the second communication groove 52, enters the drying filter drum 8 through the mounting opening 52 to filter water vapor in the high-pressure gas, and finally is output to the air spring through the air inlet 81, so that the air displacement of the second compression cavity 42 is increased, the faster spring pumping speed is realized, and the faster lifting of the vehicle is realized.
In summary, the air compressor 100 for an air suspension system of an automobile is provided with the exhaust valve 6 and the exhaust passage 56, when exhausting, the exhaust valve 6 is opened, high-pressure air sequentially passes through the air inlet 81, the filter drying barrel 8, the mounting port 53 and the exhaust passage 56, then enters the housing 3 through the mounting cavity 13, and then reversely blows the air filter 34, and finally is output from the air inlet 33, and the high-pressure air can bring out particles, dust and the like in the filter element of the air filter 34, so that the working efficiency of the air filter 34 is improved; the enthalpy increasing valve 7 is arranged, the gas in the gas tank is input into the first communication groove 51 through the enthalpy increasing valve 7 opening the enthalpy increasing outlet 54, and then enters the second piston cylinder 15 through the second air inlet channel 152 and the second air inlet valve plate 154 together with the primary compressed gas output by the first piston cylinder 14 for secondary compression, so that the exhaust amount of the second compression cavity 42 is increased, the faster spring pumping speed is realized, and the faster vehicle lifting is realized.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The utility model provides an air compressor for car air suspension system, its characterized in that, be in including the cylinder, install the inside piston assembly of cylinder, with the shell of cylinder intercommunication, install actuating mechanism in the shell, install air flue casing, discharge valve, the enthalpy valve of increasing at the cylinder top and set up dry filter vat at shell top, the cylinder includes first piston cylinder, second piston cylinder and intercommunication first piston cylinder with the middle passageway of second piston cylinder, the shell includes air inlet and air cleaner, the air flue casing is including seting up first spread groove, second spread groove, seting up in the installing port of air flue casing side, seting up in the enthalpy export, enthalpy export and the exhaust passage of air flue casing up end, first spread groove with the output intercommunication of second piston cylinder, the installing port with filter dry vat input intercommunication, the installing port still set up with second spread groove intercommunication passageway, the output of dry filter vat has the air inlet and exhaust passage, the bottom of setting up with the exhaust passage still communicates between the air flue.
2. An air compressor for an automotive air suspension system according to claim 1 wherein said piston assembly includes a connecting rod, a first piston disposed at one end of said connecting rod and a second piston disposed at the other end of said connecting rod.
3. The air compressor for an automotive air suspension system of claim 2 wherein said first piston further comprises a first air intake passage and a first air intake valve plate disposed on said first air intake passage.
4. The air compressor for an automotive air suspension system of claim 1 wherein a first air outlet channel is provided in the bottom of the first piston cylinder, the first air outlet channel being in communication with one end of the intermediate passage and a first air outlet valve plate being provided at a location where the first air outlet channel is connected to the intermediate passage.
5. The air compressor for an automotive air suspension system of claim 1, wherein a second air inlet channel and a second air outlet channel are provided at a top of the second piston cylinder, a second air inlet valve plate is provided on the second air inlet channel, and a second air outlet valve plate is provided on the second air outlet channel.
6. The air compressor for an automotive air suspension system of claim 5 wherein said first communication groove communicates with said intermediate passage and said second intake passage, and wherein said first-stage compressed air in said first piston cylinder is sequentially introduced into said first communication groove via said intermediate passage and then sequentially introduced into said second piston cylinder via said second intake passage and said second intake valve plate for secondary compression.
7. The air compressor for an automotive air suspension system of claim 5 wherein said second piston cylinder further defines a pressure relief passage at a top thereof, one end of said pressure relief passage communicating with said interior cavity of said housing, said second communication slot communicating with said second air outlet passage and said pressure relief passage.
8. An air compressor for an automotive air suspension system according to claim 7 wherein a mechanical pressure relief valve is installed in said pressure relief passage.
9. The air compressor for an automotive air suspension system of claim 1 wherein said enthalpy-increasing valve is mounted at said enthalpy-increasing outlet, said enthalpy-increasing outlet and said enthalpy-increasing inlet being in communication with said first communication slot.
10. An air compressor for an automotive air suspension system according to claim 1, wherein said exhaust valve is mounted at said exhaust passage, and a muffler cutout is further provided in said exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310486415.3A CN116378926A (en) | 2023-04-28 | 2023-04-28 | Air compressor for automobile air suspension system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310486415.3A CN116378926A (en) | 2023-04-28 | 2023-04-28 | Air compressor for automobile air suspension system |
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| CN116378926A true CN116378926A (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310486415.3A Pending CN116378926A (en) | 2023-04-28 | 2023-04-28 | Air compressor for automobile air suspension system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703717A (en) * | 2024-02-05 | 2024-03-15 | 亚新科智能汽车技术(仪征)有限公司 | Air compressor with air inlet silencing function |
-
2023
- 2023-04-28 CN CN202310486415.3A patent/CN116378926A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703717A (en) * | 2024-02-05 | 2024-03-15 | 亚新科智能汽车技术(仪征)有限公司 | Air compressor with air inlet silencing function |
| CN117703717B (en) * | 2024-02-05 | 2024-05-03 | 亚新科智能汽车技术(仪征)有限公司 | Air compressor with air inlet silencing function |
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