CN105526164A - Vehicle-mounted direct current direct-connected-type oil-free vortex air compressor - Google Patents

Vehicle-mounted direct current direct-connected-type oil-free vortex air compressor Download PDF

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Publication number
CN105526164A
CN105526164A CN201610056617.4A CN201610056617A CN105526164A CN 105526164 A CN105526164 A CN 105526164A CN 201610056617 A CN201610056617 A CN 201610056617A CN 105526164 A CN105526164 A CN 105526164A
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CN
China
Prior art keywords
bearing
air compressor
compressor
crankshaft
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610056617.4A
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Chinese (zh)
Inventor
梁广祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN KANGCHI INDUSTRIAL Co Ltd
Original Assignee
DONGGUAN KANGCHI INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by DONGGUAN KANGCHI INDUSTRIAL Co Ltd filed Critical DONGGUAN KANGCHI INDUSTRIAL Co Ltd
Priority to CN201610056617.4A priority Critical patent/CN105526164A/en
Publication of CN105526164A publication Critical patent/CN105526164A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F04C18/0223Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving with symmetrical double wraps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02Pumps characterised by combination with or adaptation to specific driving engines or motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04Heating; Cooling; Heat insulation

Abstract

The invention provides a vehicle-mounted direct current direct-connected-type oil-free vortex air compressor. The vehicle-mounted direct current direct-connected-type oil-free vortex air compressor comprises a static scroll plate, a movable scroll plate, a compressor crankshaft and a bearing pedestal. A direct current synchronous permanent magnet motor comprises a motor body and a motor shaft. The compressor crankshaft is installed in the bearing pedestal. The input end of the compressor crankshaft and the output end of the motor shaft are in engaged connection through a spline. The output end of the compressor crankshaft is fixedly connected with the movable scroll plate. One end of the bearing pedestal is connected with the motor body through bolts, and the other end of the bearing pedestal is connected with the static scroll plate through bolts. An oil-free vortex air compressor body and the direct current synchronous permanent magnet motor in the vehicle-mounted direct current direct-connected-type oil-free vortex air compressor provided by the invention are two independent parts, the motor shaft and the compressor crankshaft are in engaged connection through the spline, driving force is directly transmitted to the compressor crankshaft through the motor shaft, the driving efficiency is high, and maintenance is convenient; as the static scroll plate is provided with a containing cavity, the overall size is reduced.

Description

A kind of Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor
Technical field
The present invention relates to air compressor technical field, particularly relate to Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor.
Background technique
The oil-free vortex air compressor that current vehicle is applied has been confined to oily piston type or has had cunning chip, high-end rail traffic vehicles apply oily vortex or oil-free vortex air compressor or adopted import to have oily vortex or oil-free vortex air compressor, because the restriction of cost generally adopts oily piston type or has cunning chip oil-free vortex air compressor on common large vehicle.Existing oily piston type or have cunning chip oil-free vortex air compressor to there is job insecurity, maintenance period is short and maintenance cost is high, and huge structure takies the vehicle useful space, has the defects such as oil content exhaust emission is large in working procedure.Simultaneously, existing automobile-used oil-free vortex air compressor generally adopts and obtains driving force with motor direct connection or bel-drivenn mode, vehicle idling travel or vehicle lay-off state time enough aerodynamic energy just can not be provided for brake or other needs to use the function of pressed gas, thus cause vehicle to occur the operation failures such as brake failure, cause traffic accident.Know therefrom and to have in automobile-used oil-free vortex air compressor field four major problem need to solve: one, need a maintenance period long and the cheap reliable oil-free vortex air compressor of maintenance cost, replace conventional piston formula or sliding vane oil-free vortex air compressor, improve the reliability of vehicle use and reduce costs; Two, need a oil-free air to compress replacement and have oily oil-free vortex air compressor, thoroughly avoid the discharge of oil molecule, accomplish environmental protection; Three, need a compact structure, take up room little oil-free vortex air compressor; Four, need to design a kind of continual and steady direct current motor reliably as the obtain manner of vehicle-mounted air compressor driving force, to ensure that vehicle still can obtain enough operating air pressures in idling traveling or suspended state.
Summary of the invention
The present invention is directed to the above problem existed in prior art, a kind of Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor is provided, its can overcome prior art exist job insecurity, maintenance period is short and maintenance cost is high, huge structure takies the vehicle useful space, have oil content exhaust emission air in working procedure, vehicle idling travel or vehicle lay-off state time the defects such as enough aerodynamic energy can not be provided.
To achieve these goals, the present invention adopts following technological scheme:
A kind of Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor, comprise oil-free vortex air compressor and DC synchronous permanent magnet motor, described oil-free vortex air compressor comprises fixed scroll, orbiter, compressor crank shaft and bearing support, described DC synchronous permanent magnet motor comprises motor body and motor shaft, described compressor crank shaft is installed in described bearing support, the input end of described compressor crank shaft and the output terminal of described motor shaft are connected by spline, the output terminal of described compressor crank shaft is fixedly connected with described orbiter, one end and the described motor body of described bearing support are bolted, the other end and the fixed scroll of described bearing support are bolted,
Described fixed scroll comprises junction surface, cave inward from junction surface the host cavity and the static vortex tooth gradually opening helix shape that is arranged in host cavity that are formed, and the height of described static vortex tooth is lower than the height of described host cavity; Described orbiter comprises the dynamic vortex tooth being arranged at side and the centre bearing room for being fixedly connected with the output terminal of described compressor crank shaft being arranged at opposite side, described dynamic vortex tooth and described static vortex tooth engage each other, when the relatively described fixed scroll of described orbiter does plane motion along certain circular path, between described orbiter and fixed scroll, form the compression chamber of volume-variation.
Further, the crankshaft that more than three or three are distributed in described compressor crank shaft periphery is also provided with in described bearing support, described compressor crank shaft comprises main shaft and eccentric shaft, described crankshaft comprises the first cylinder and the second cylinder, the distance of the main shaft of described compressor crank shaft and the center line of eccentric shaft is A, the distance of the first cylinder of described crankshaft and the central axis of the second cylinder is B, and the radius that described orbiter circles is R, A=B=R.
Further, around uniform more than three or three crankshaft bearing rooms, described centre bearing room on described orbiter, on described bearing support, correspondence is provided with crankshaft through hole, first cylinder of described crankshaft stretches into described crankshaft bearing room, and formed a fixed connection by clutch shaft bearing, second cylinder of described crankshaft stretches into described crankshaft through hole, the length of described second cylinder is less than the length of described crankshaft through hole, second cylinder is arranged with and is arranged side by side and the second bearing of close contact and the 3rd bearing, the end of described crankshaft through hole is provided with bearing cap, described bearing cap abuts with described 3rd bearing.
Further, the spindle end of described compressor crank shaft is provided with the 4th bearing, oil sealing, the 5th bearing and counterweight balance structure; The eccentric shaft of described compressor crank shaft stretches into the centre bearing room of described orbiter, forms a fixed connection by being sheathed on the 6th bearing of described eccentric shaft and hole jump ring and described orbiter.
Further, described counterweight balancing mechanism comprises eccentric wheel and is installed on the balancing weight on eccentric wheel, and described eccentric wheel is fixed on described compressor crank shaft by flat key and axle jump ring.
Further, the host cavity arranged outside of described fixed scroll has heat-radiating structure, and described heat-radiating structure comprises multiple strip radiating fin be arranged side by side.
Further, described Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor also comprises cooler, and this cooler is the seal casinghousing of hollow, and sealing housing is provided with the radiating fin of array-type, and described cooler is communicated with described host cavity; The bottom centre of described host cavity offers air outlet, and described air outlet radially extends from the bottom of described host cavity, and described air outlet is communicated with the suction tude of described cooler; The sidewall of described host cavity offers suction port, and described suction port is communicated with external air source.
Further, described motor shaft is provided with axial fan and axial fan cover; The end of described motor shaft is also provided with wind guiding mechanism, described wind guiding mechanism comprises wind-guiding inner cover, centrifugal cutter and wind-guiding outer cover, described wind-guiding inner cover and wind-guiding outer cover are fixedly connected to form wind guide chamber, and described wind guiding mechanism also comprises the guide duct and wind guide cover that are communicated with described wind guide chamber and described fixed scroll.
Further, the end of described static vortex tooth and dynamic vortex tooth is provided with groove, for holding compensating wear-resistant sealing strip.
Further, the bottom of described bearing support is installed with base plate, and the bottom of base plate is provided with shock-absorbing foot.
Beneficial effect: the oil-free vortex air compressor in Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor provided by the invention and DC synchronous permanent magnet motor are two separate parts, when oil-free vortex air compressor or DC synchronous permanent magnet motor need to safeguard, oil-free vortex air compressor or DC synchronous permanent magnet motor can be dismantled separately or changed, not affect the use of another part; Motor shaft and compressor crank shaft are connected by spline, and driving force is directly passed to compressor crank shaft by motor shaft, and drive efficiency is high, and are convenient to safeguard; Because fixed scroll is provided with host cavity, in static vortex tooth and orbiter can be housed in by host cavity substantially, make overall long-pending reduction.Oil-free vortex air compressor of the present invention is due to the compact and structural design of precision, and achieve working stability, maintenance period is long, and vehicle idling travel or vehicle lay-off state time enough aerodynamic energies also can be provided, discharge without oil content in working procedure.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of Vehicular direct-current Oil-free Mechanical Vacuum Pump of the present invention scroll air compressor;
Fig. 2 is the decomposing schematic representation of the Oil-free Mechanical Vacuum Pump of Vehicular direct-current shown in Fig. 1 scroll air compressor;
Fig. 3 is the generalized section of the Oil-free Mechanical Vacuum Pump of Vehicular direct-current shown in Fig. 1 scroll air compressor;
Fig. 4 is the structural representation of the fixed scroll of oil-free vortex air compressor in the present invention;
Fig. 5 is the structural representation of fixed scroll shown in Fig. 4 from another view;
Fig. 6 is the structural representation of the orbiter of oil-free vortex air compressor in the present invention;
Fig. 7 is the structural representation of orbiter shown in Fig. 6 from another view;
Fig. 8 is the structural representation of the compressor crank shaft in the present invention;
Fig. 9 is the structural representation of the crankshaft in the present invention;
Figure 10 is the structural representation of the counterweight balancing mechanism in the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, goal of the invention of the present invention, technological scheme and beneficial effect are described further:
Please refer to Fig. 1 to Fig. 3, the invention provides a kind of Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor, comprise oil-free vortex air compressor 100 and DC synchronous permanent magnet motor 200.Wherein, oil-free vortex air compressor 100 comprises fixed scroll 11, orbiter 12, compressor crank shaft 13 and bearing support 14.DC synchronous permanent magnet motor 200 comprises motor body 22 and motor shaft 21, compressor crank shaft 13 is installed in bearing support 14, the input end of compressor crank shaft 13 and the output terminal of motor shaft 21 are connected by spline, the output terminal of compressor crank shaft 13 is fixedly connected with orbiter 12, one end and the motor body 22 of bearing support 14 are bolted, and the other end and the fixed scroll 11 of bearing support 14 are bolted.
Composition graphs 4 and Fig. 5, fixed scroll 11 comprises junction surface 111, cave inward from junction surface 111 host cavity 112 formed and the static vortex tooth 113 gradually opening helix shape be arranged in host cavity 112, the height of static vortex tooth 113 is lower than the height of host cavity 112, therefore, orbiter 12 also can be housed in this host cavity 112, reduces the total length after orbiter 12 and fixed scroll 11 cooperation.
Oil-free vortex air compressor 100 in Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor provided by the invention and DC synchronous permanent magnet motor 200 are two separate parts, when oil-free vortex air compressor 100 or DC synchronous permanent magnet motor 200 need to safeguard, by oil-free vortex air compressor 100 or DC synchronous permanent magnet motor 200 dismounting or replacing separately, can not affect the use of another part.Motor shaft 21 and compressor crank shaft 13 are connected by spline, and motor driving force is directly passed to compressor crank shaft 13 by motor shaft 21, and drive efficiency is high, motor shaft 21 and compressor crank shaft 13 separable, and be convenient to processing and safeguard.Because fixed scroll 11 is provided with host cavity 112, host cavity 112 makes full use of space in static vortex tooth 113 and orbiter 12 can being housed in substantially, makes overall long-pending reduction.
Particularly, composition graphs 6 and Fig. 7, orbiter 12 comprises the dynamic vortex tooth 121 being arranged at side and the centre bearing room 122 for being fixedly connected with the output terminal of compressor crank shaft 13 being arranged at opposite side, and dynamic vortex tooth 121 and static vortex tooth 113 engage each other.As shown in Figure 9, the output terminal of compressor crank shaft 13 is provided with eccentric shaft 131, and eccentric shaft 131 is stretched into centre bearing room 122 and is fixedly connected with by bearing.Orbiter 12 is under the drive of compressor crank shaft 13, and relative fixed scroll 11 does plane motion along certain radius circular path, forms the compression chamber of volume-variation between orbiter 12 and fixed scroll 11.As shown in Figure 5, be provided with multiple bar shaped radiating fin 116 side by side in the outside of the host cavity 112 of fixed scroll 11, the sidewall of host cavity 112 offers suction port 114, and suction port is communicated with external air source.Bottom centre offers air outlet 115, air outlet 115 radially extends out from the bottom of host cavity 112, be communicated with the suction tude 151 of cooler 15, cooler 15 is the seal casinghousing of hollow, seal casinghousing is provided with the radiating fin 152 tilted in the same direction of array-type, enters cooler 15 cool after air is compressed in compression chamber from air outlet 115.
Composition graphs 2, Fig. 3, Fig. 8 and Fig. 9, compressor crank shaft 13 comprises main shaft 132 and eccentric shaft 131, the end of main shaft 132 is the input end of compressor crank shaft 132, be connected by spline with the output terminal of motor shaft 21, the end of eccentric shaft 131 is the clutch end of compressor crank shaft 132, is connected with orbiter 12.Crankshaft 17 comprises the first cylinder 171 and the second cylinder 172, the crankshaft 17 that more than three or three are distributed in compressor crank shaft 13 periphery is provided with in bearing support 14, around uniform more than three or three crankshaft bearing rooms 123, centre bearing room 122 on orbiter 12, bearing support 14 correspondence is provided with crankshaft through hole 141, first cylinder 171 of crankshaft 17 stretches into crankshaft bearing room 123, and formed a fixed connection by clutch shaft bearing 161, second cylinder 172 of crankshaft stretches into crankshaft through hole 141, the length of the second cylinder 172 is less than the length of crankshaft through hole 141, second cylinder 172 is arranged with and is arranged side by side and the second bearing 162 of close contact and the 3rd bearing 163, the end of crankshaft through hole 141 is provided with bearing cap 167, bearing cap 167 abuts with the 3rd bearing 163, slide axially to limit crankshaft 17, and then the axial displacement of restriction orbiter 12.
The main shaft 132 of compressor crank shaft 13 is provided with the 4th bearing 164, oil sealing 168, the 5th bearing 165 and counterweight balance structure 18; The eccentric shaft 131 of compressor crank shaft 13 stretches into the centre bearing room 122 of orbiter 12, is formed a fixed connection with hole jump ring and orbiter 12 by the 6th bearing 166 being sheathed on eccentric shaft 131.
The distance of the main shaft 132 of compressor crank shaft 13 and the center line of eccentric shaft 131 is A, and the distance of the first cylinder 171 of crankshaft 17 and the central axis of the second cylinder 172 is B, and the radius that orbiter 12 circles is R, A=B=R.Compressor crank shaft 13 and crankshaft 17 coordinate makes the circular path that orbiter 12 can be R along radius do plane motion reposefully, the value that the frictional force that dynamic vortex tooth 121 and static vortex tooth 113 are subject to keeps relative stability.Further, reducing friction to static vortex tooth 113 and dynamic vortex tooth 121 to increase sealing effect simultaneously, being provided with groove in the end of static vortex tooth 113 and dynamic vortex tooth 121, for holding compensating wear-resistant sealing strip 19.
Composition graphs 2, Fig. 3 and Figure 10, counterweight balancing mechanism 18 comprises eccentric wheel 181 and is installed on some balancing weights 182 of on eccentric wheel 181, eccentric wheel 181 is fixed on compressor crank shaft 13 by flat key and axle jump ring, and balancing weight 182 to be fixed on eccentric wheel 181 by screw bolt and nut.
As shown in FIG. 1 to 3, bearing support 14 is outside equipped with and makes bearing support 14 steadily can be positioned over base plate 30 on car, and the bottom of base plate 30 arranges shock-absorbing foot 31.
As a further improvement on the present invention, motor shaft arranges axial fan 23 and axial fan cover 24, axial fan 23 and axial fan cover 24 is driven to rotate when motor shaft rotates, axial fan cover 24 is provided with vent, axial fan cover 24 is outer is also provided with wind guiding mechanism 400, wind guiding mechanism 400 comprises the wind-guiding inner cover 41 being arranged at motor shaft 21, centrifugal cutter 42 and wind-guiding outer cover 43, wind-guiding inner cover 41 and wind-guiding outer cover 43 are fixedly connected to form wind guide chamber, wind guiding mechanism 400 also comprises the guide duct 44 and wind guide cover 45 that are communicated with wind guide chamber and fixed scroll 11, barge board 46 is equipped in the end of fixed scroll 11.The setting of wind guiding mechanism 400 adds the radiating effect of Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor of the present invention greatly.
Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor provided by the invention is by above reasonably structural design and excellent radiation system, achieve working stability, maintenance period is long, and also can provide enough aerodynamic energies when vehicle idling traveling or vehicle lay-off state, discharge without oil content in working procedure.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned mode of execution and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention some modifications and changes of invention.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.

Claims (10)

1. a Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor, comprise oil-free vortex air compressor and DC synchronous permanent magnet motor, described oil-free vortex air compressor comprises fixed scroll, orbiter, compressor crank shaft and bearing support, described DC synchronous permanent magnet motor comprises motor body and motor shaft, it is characterized in that: described compressor crank shaft is installed in described bearing support, the input end of described compressor crank shaft and the output terminal of described motor shaft are connected by spline, the output terminal of described compressor crank shaft is fixedly connected with described orbiter, one end and the described motor body of described bearing support are bolted, the other end and the fixed scroll of described bearing support are bolted,
Described fixed scroll comprises junction surface, cave inward from junction surface the host cavity and the static vortex tooth gradually opening helix shape that is arranged in host cavity that are formed, and the height of described static vortex tooth is lower than the height of described host cavity; Described orbiter comprises the dynamic vortex tooth being arranged at side and the centre bearing room for being fixedly connected with the output terminal of described compressor crank shaft being arranged at opposite side, described dynamic vortex tooth and described static vortex tooth engage each other, when the relatively described fixed scroll of described orbiter does plane motion along certain circular path, between described orbiter and fixed scroll, form the compression chamber of volume-variation.
2. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 1, it is characterized in that: in described bearing support, be also provided with the crankshaft that more than three or three are distributed in described compressor crank shaft periphery, described compressor crank shaft comprises main shaft and eccentric shaft, described crankshaft comprises the first cylinder and the second cylinder, the distance of the main shaft of described compressor crank shaft and the center line of eccentric shaft is A, the distance of the first cylinder of described crankshaft and the central axis of the second cylinder is B, the radius that described orbiter circles is R, A=B=R.
3. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 2, it is characterized in that: around uniform more than three or three crankshaft bearing rooms, described centre bearing room on described orbiter, on described bearing support, correspondence is provided with crankshaft through hole, first cylinder of described crankshaft stretches into described crankshaft bearing room, and formed a fixed connection by clutch shaft bearing, second cylinder of described crankshaft stretches into described crankshaft through hole, the length of described second cylinder is less than the length of described crankshaft through hole, second cylinder is arranged with and is arranged side by side and the second bearing of close contact and the 3rd bearing, the end of described crankshaft through hole is provided with bearing cap, described bearing cap abuts with described 3rd bearing.
4. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 3, is characterized in that: the spindle end of described compressor crank shaft is provided with the 4th bearing, oil sealing, the 5th bearing and counterweight balance structure; The eccentric shaft of described compressor crank shaft stretches into the centre bearing room of described orbiter, forms a fixed connection by being sheathed on the 6th bearing of eccentric shaft and hole jump ring and described orbiter.
5. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 4, it is characterized in that: described counterweight balancing mechanism comprises eccentric wheel and is installed on the balancing weight on eccentric wheel, and described eccentric wheel is fixed on described compressor crank shaft by flat key and axle jump ring.
6. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 1, is characterized in that: the host cavity arranged outside of described fixed scroll has heat-radiating structure, described heat-radiating structure comprises multiple strip radiating fin be arranged side by side.
7. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 6, it is characterized in that: also comprise cooler, this cooler is the seal casinghousing of hollow, and sealing housing is provided with the radiating fin of array-type, and described cooler is communicated with described host cavity; The bottom centre of described host cavity offers air outlet, described air outlet radially extends from the bottom of described host cavity, the sidewall of described host cavity offers suction port, and described suction port is communicated with external air source, and described air outlet is communicated with the suction tude of described cooler.
8. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 7, is characterized in that: described motor shaft is provided with axial fan and axial fan cover; The end of described motor shaft is also provided with wind guiding mechanism, described wind guiding mechanism comprises wind-guiding inner cover, centrifugal cutter and wind-guiding outer cover, described wind-guiding inner cover and wind-guiding outer cover are fixedly connected to form wind guide chamber, and described wind guiding mechanism also comprises the guide duct and wind guide cover that are communicated with described wind guide chamber and described fixed scroll.
9. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 1, is characterized in that: the end of described static vortex tooth and dynamic vortex tooth is provided with groove, for holding compensating wear-resistant sealing strip.
10. Vehicular direct-current Oil-free Mechanical Vacuum Pump scroll air compressor according to claim 1, it is characterized in that: the bottom of described bearing support is installed with base plate, the bottom of base plate is provided with shock-absorbing foot.
CN201610056617.4A 2016-01-26 2016-01-26 Vehicle-mounted direct current direct-connected-type oil-free vortex air compressor Pending CN105526164A (en)

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Cited By (5)

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CN106939887A (en) * 2017-01-16 2017-07-11 东莞市康驰实业有限公司 A kind of direct-connected oil-free air compressor and its assembly method
CN107956693A (en) * 2016-10-14 2018-04-24 泉州市华德机电设备有限公司 Permanent magnetism oil-free vortex air compressor
CN108688639A (en) * 2017-04-06 2018-10-23 丰电安弗森(北京)新能源汽车技术有限公司 A kind of vehicle-mounted direct-connected oil-free scroll air compressor system
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CN205330969U (en) * 2016-01-26 2016-06-22 东莞市康驰实业有限公司 On -vehicle direct current associated mode does not have oily vortex air compressor

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CN106351861A (en) * 2016-08-25 2017-01-25 昆明博远中菱科技有限公司 Dual-pressure fan
CN107956693A (en) * 2016-10-14 2018-04-24 泉州市华德机电设备有限公司 Permanent magnetism oil-free vortex air compressor
CN106939887A (en) * 2017-01-16 2017-07-11 东莞市康驰实业有限公司 A kind of direct-connected oil-free air compressor and its assembly method
CN106939887B (en) * 2017-01-16 2019-05-24 东莞市康驰实业有限公司 A kind of direct-connected oil-free air compressor and its assembly method
CN108688639A (en) * 2017-04-06 2018-10-23 丰电安弗森(北京)新能源汽车技术有限公司 A kind of vehicle-mounted direct-connected oil-free scroll air compressor system
WO2020048035A1 (en) * 2018-09-05 2020-03-12 珠海格力节能环保制冷技术研究中心有限公司 Air compressor and vehicle having same

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Application publication date: 20160427