CN108278203B - A kind of oil-free scroll formula air compressor - Google Patents

A kind of oil-free scroll formula air compressor Download PDF

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Publication number
CN108278203B
CN108278203B CN201810055695.1A CN201810055695A CN108278203B CN 108278203 B CN108278203 B CN 108278203B CN 201810055695 A CN201810055695 A CN 201810055695A CN 108278203 B CN108278203 B CN 108278203B
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China
Prior art keywords
bearing block
air
scroll
fixed
movable orbiting
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CN201810055695.1A
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CN108278203A (en
Inventor
张剑良
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Zhejiang Ben Kai Pml Precision Mechanism Ltd
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Zhejiang Ben Kai Pml Precision Mechanism Ltd
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    • 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
    • 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
    • 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
    • F04C2240/00Components
    • F04C2240/10Stators
    • 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
    • F04C2240/00Components
    • F04C2240/20Rotors
    • 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
    • F04C2240/00Components
    • F04C2240/50Bearings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention discloses a kind of oil-free scroll formula air compressor, including installation pedestal, permanent magnet synchronous motor, bearing block, fixed scroll are successively fixed in installation pedestal, permanent magnet synchronous motor includes motor body and motor output shaft;Movable orbiting scroll is equipped between bearing block and fixed scroll, and bearing block is connect with movable orbiting scroll by main crankshaft and secondary crankshaft, and motor output shaft is enabled to drive movable orbiting scroll eccentric swing, to play the role of compressed air.Fan is equipped between bearing block and motor body, fan is air-cooled to synchronize to movable orbiting scroll, fixed scroll, bearing block for directing the air to main air duct and secondary air duct.It is final to improve movable orbiting scroll, fixed scroll, the service life of bearing block, to improve the service life of complete machine.

Description

A kind of oil-free scroll formula air compressor
Technical field
The present invention relates to technical field of air compression, and in particular to a kind of oil-free scroll formula air compressor.
Background technique
Popularize most air compressor or piston type air compressor on vehicle market at present, but existing piston Formula air compressor structure is huge and occupies the vehicle useful space, and the discharge of oil is accompanied by the course of work, produces to environment Pollution is given birth to.So also come into being in the market occurred volume it is smaller and without oil discharge scroll type air compressor, nothing There are following advantages for oily scroll type air compressor: the smaller service efficiency to improve inner space of volume;Operational process Middle no oil discharge is to reduce environmental pollution;Low noise, with small vibration, air compression efficiency is high.
In the process of running, movable orbiting scroll is translatable oil-free scroll formula air compressor around the basic circle center of fixed scroll, and will Air between movable orbiting scroll and fixed scroll gradually reduces, and finally drains from escape pipe, completes the compression of air.But in above-mentioned sky Air pressure contract during, amount of heat can be generated, if do not cooled down in time to movable orbiting scroll and fixed scroll, will lead to it is dynamic, Fixed scroll expands deformation, so that the occlusion of dynamic and static whirlpool disk is uneven, even results in the damage of dynamic and static whirlpool disk.And by the oil-free whirlpool The air that rotating air compressor compresses out is also often accompanied by higher temperature, also will to the later use of this partial high pressure air Have an adverse effect.
And existing oil-free scroll formula air compressor often adds a fan and induced duct outside one disk of motor, it will by fan Wind is guided to movable orbiting scroll back side by induced duct, only carries out to movable orbiting scroll air-cooled.Such as Authorization Notice No. are as follows: CN205207180U's A kind of oil-free vehicle-mounted air compressor of electric direct connection, including host header, the motor connecting with host header, is mounted on motor one The fan of side, movable orbiting scroll are mounted on host header far from motor side, and fixed scroll is mounted on host header close to motor side.Fan is used In by the wind in outside to host header far from motor side, to be cooled down to movable orbiting scroll.
Due to only cooling down to movable orbiting scroll, then the running temperature of fixed scroll will persistently be higher than the running temperature of movable orbiting scroll, The service life that will lead to fixed scroll is lower than the service life of movable orbiting scroll, eventually leads to machine life and does not grow.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of oil-free scroll formula air compressor, It can synchronize and movable orbiting scroll and fixed scroll are cooled down, the service life of movable orbiting scroll and fixed scroll be improved, to improve the service life of complete machine.
To achieve the above object, the present invention provides the following technical scheme that a kind of oil-free scroll formula air compressor, including Installation pedestal is successively fixed with permanent magnet synchronous motor, bearing block, fixed scroll in installation pedestal, and permanent magnet synchronous motor includes motor Ontology, the motor output shaft being fixedly connected with motor body;Movable orbiting scroll is equipped between the bearing block and fixed scroll;Bearing block Middle part rotation is embedded with main crankshaft, and main crankshaft is rotatablely connected far from bearing block one end and movable orbiting scroll, and motor output shaft one end is worn It is fixedly connected in into bearing block and with the one end of main crankshaft in bearing block;Rotation is embedded with secondary crankshaft on bearing block, and secondary Crankshaft is rotatablely connected far from bearing block one end and movable orbiting scroll;
Movable orbiting scroll is fixed with the dynamic whirlpool tooth of vortex shape far from bearing block side, and fixed scroll has receipts close to dynamic whirlpool tooth side recess The quiet whirlpool tooth of vortex shape is fixed in room and reception room, dynamic whirlpool tooth puts in reception room and is intermeshed with quiet whirlpool tooth;Receiving The bottom of room is provided with air inlet, and the side of fixed scroll is fixed with the air inlet pipe connecting with air inlet, the centre bit of reception room bottom It sets and is provided with venthole, the side of fixed scroll is fixed with the escape pipe connecting with venthole;
Fixing sleeve is equipped with fan and fan between motor body and bearing block on motor output shaft;Fixed scroll is far from dynamic If being fixed with dry plate heat-dissipating fin on the side wall of whirlpool disk side, bearing block far from being equipped with ventilation duct in installation pedestal one side wall, If ventilation duct one end is connected to the side of fan and the other end is connected to the gap location of dry plate heat-dissipating fin;If dry plate heat-dissipating fin Gap and ventilation duct together form the main air duct of the air agitated for water conservancy diversion by fan;
It is communicated with Zhi Liuguan on ventilation duct and Zhi Liuguan is connected into the gap of bearing block and movable orbiting scroll, bearing block and dynamic whirlpool The gap of disk and tributary pipe form secondary air duct, are offered on bearing block for being connected to secondary air duct and extraneous air outlet;
Fan is equipped with the slot bottom that cricoid wind collection slot and ventilation duct are connected to wind collection slot far from motor body side;
The slot bottom of wind collection slot is obliquely installed and is used to for the wind in wind collection slot being directed in ventilation duct;
The deflector that the air for that will flow is oriented to towards separate motor body direction is fixed with outside air outlet.
By using above-mentioned technical proposal, motor output shaft drives main crankshaft rotation, then by main crankshaft drive movable orbiting scroll around Fixed scroll basic circle center eccentric center translation, due to the presence of secondary crankshaft, secondary crankshaft can limit movable orbiting scroll rotation.It is empty during this Gas enters in reception room, can form several diminishing compression chambers between movable orbiting scroll and fixed scroll, have just enter into reception room Interior air will be wrapped up into maximum compression chamber;With the rotation of movable orbiting scroll, compression chamber will gradually become smaller and compressed air, Compressed air will finally be drained into escape pipe by venthole.
At the same time, fan carries out two air-cooled processes for synchronous.First: air by under the water conservancy diversion of fan along main wind Road flowing, that is, first pass through ventilation duct, if then moving into the gap of dry plate heat-dissipating fin.This above-mentioned process plays heat-dissipating fin Wind-cooling heat dissipating effect has been arrived, the temperature of fixed scroll is reduced.
Second: portion of air from water conservancy diversion in ventilation duct into secondary air duct in, that is, be introduced into Zhi Liuguan, enter back into bearing block with In the gap of movable orbiting scroll, since fixed scroll is enclosed in bearing block far from fan one end, then the gap of bearing block and movable orbiting scroll only has Two outlets, so the air flowed into from Zhi Liuguan will finally be discharged from air outlet.During this, the sky of this part flowing Gas cools down to bearing block and movable orbiting scroll.
Then above-mentioned setting, which can synchronize, cools down movable orbiting scroll, fixed scroll, bearing block, improves movable orbiting scroll, fixed scroll, bearing The service life of seat, to improve the service life of complete machine.
Wherein, fan driving air generates kinetic energy, and wind collection slot this partial air of collection as much as possible and can then convey Into in ventilation duct, to increase the air quantity in ventilation duct, thus improve to movable orbiting scroll, fixed scroll, bearing block air cooling effect.
And the wind that the slot bottom inclination of wind collection slot is conducive to will be close in the wind collection slot of installation pedestal position is more smoothly directed to In ventilation duct, to increase the air quantity in ventilation duct, to improve the device to the air cooling effect of heat-dissipating fin.
Since air inlet duct is substantially annular in shape, and air outlet setting close with the air inlet of air inlet duct, in order to reduce outlet air Influence of the hot-air that mouth comes out to the cold air proceeded in air inlet duct, and it is provided with deflector, for the heat of air outlet is empty Gas is exported towards far from motor body direction.
The further setting of the present invention are as follows: the gap between the wind collection slot and bearing block is air inlet duct, and wind collection slot is close Motor body side is fixed with flow apron, fan be for conveyed after being oriented to the air in air inlet duct via flow apron into Radial fan in wind collection slot.
By using above-mentioned technical proposal, air first passes through the surface of bearing block before entering in wind collection slot, to reduce The temperature of bearing seating face, to make full use of air and extend the service life of bearing block.
The further setting of the present invention are as follows: the heat-dissipating fin is covered with wind deflector, and wind deflector far from fixed scroll one end There are the gaps for exporting air for the one end of a side and heat-dissipating fin far from ventilation duct far from ventilation duct.
It, can be along time of contact of the long wind in heat-dissipating fin gap, so as to more as far as possible by using above-mentioned technical proposal Take away heat, improve cooling efficiency.
The further setting of the present invention are as follows: the wind deflector is bolted on heat-dissipating fin.
By using above-mentioned technical proposal, it is detachably connected wind deflector, the cleaning and replacement convenient for the later period to wind deflector.
The further setting of the present invention are as follows: water conservancy diversion inclined-plane and water conservancy diversion inclined-plane are fixed between heat-dissipating fin described in adjacent two panels Positioned at heat-dissipating fin far from ventilation duct one end.
By using above-mentioned technical proposal, so that the export that wind energy between heat-dissipating fin is more smoothly, improves outlet air effect Rate, to keep air-cooled process more smoothly, efficient.
The invention has the following advantages that
1, air-cooled, the dynamic whirlpool of raising synchronous can be carried out to fixed scroll, movable orbiting scroll, bearing block with secondary air duct by setting main air duct Disk, fixed scroll, the service life of bearing block, to improve the service life of complete machine;
2, wind collection slot as much as possible can be collected by air that fan drive and be conveyed into ventilation duct, be led to increasing Air quantity in air hose, thus improve to movable orbiting scroll, fixed scroll, bearing block air cooling effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is perspective view of the explosion of the invention;
Fig. 3 is top view of the invention;
Fig. 4 is the diagrammatic cross-section in Fig. 3 at A-A;
Fig. 5 is the enlarged diagram in Fig. 4 at A;
Fig. 6 is the perspective view of the explosion of each component in fixed scroll in Fig. 2, shows the relationship of each component at heat-dissipating fin;
Fig. 7 is the partial cutaway schematic view of wind collection slot and ventilation duct in Fig. 2;
Fig. 8 is the structural schematic diagram of fan in Fig. 2;
Fig. 9 is the structural schematic diagram of movable orbiting scroll in Fig. 2;
Figure 10 is the structural schematic diagram of fixed scroll in Fig. 2;
Figure 11 is the structural schematic diagram of Fig. 2 bottom bracket.
Appended drawing reference: 1, installation pedestal;2, permanent magnet synchronous motor;21, motor output shaft;22, motor body;3, fan; 31, frame is fanned;32, runoff flabellum;33, fixed ring flat-plate;4, bearing block;41, main crankshaft;411, first axle;412, the second axis;42, Secondary crankshaft;421, third axis;422, the 4th axis;43, base bearing;44, supplementary bearing;45, driven bearing;46, air outlet;47, it leads Flowing plate;5, movable orbiting scroll;51, whirlpool tooth is moved;52, dynamic sealing item;6, fixed scroll;61, reception room;62, quiet whirlpool tooth;63, air inlet; 64, venthole;65, static seal item;66, air inlet pipe;67, escape pipe;68, wind deflector;7, wind collection slot;71, flow apron;8, lead to Air hose;81, heat-dissipating fin;82, water conservancy diversion inclined-plane;83, Zhi Liuguan;9, main air duct;91, secondary air duct;92, air inlet duct.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
A kind of oil-free scroll formula air compressor, it is successively solid in installation pedestal 1 with reference to Fig. 1 and Fig. 2, including installation pedestal 1 Dingan County is equipped with permanent magnet synchronous motor 2, bearing block 4, fixed scroll 6.Movable orbiting scroll 5 is equipped between bearing block 4 and fixed scroll 6.
Referring to figs. 2 and 5, permanent magnet synchronous motor 2 includes the motor that motor body 22 and spline are connected to motor body 22 Output shaft 21.One base bearing 43 is installed on bearing block 4 and base bearing 43 is located at 4 center of bearing block, is gone back on bearing block 4 There are three supplementary bearing 44, axis spaced set of three supplementary bearings 44 around base bearing 43 for installation.Main song is installed in bearing block 4 Axis 41,41 one end of main crankshaft and movable orbiting scroll 5 are rotatablely connected by driven bearing 45, and 41 other end of main crankshaft is installed into base bearing 43.21 one end of motor output shaft is pierced into bearing block 4, and is connect with one end spline of the main crankshaft 41 in base bearing 43.Often A secondary crankshaft 42 is mounted on a supplementary bearing 44, and secondary crankshaft 42 and movable orbiting scroll 5 are rotatablely connected also by driven bearing 45.
With reference to Fig. 5, main crankshaft 41 includes first axle 411 disposed in parallel and the second axis 412, and secondary crankshaft 42 includes setting in parallel The third axis 421 and the 4th axis 422 set, the distance between axles between first axle 411 and the second axis 412 are equal to third axis 421 and the 4th Distance between axles between axis 422.Main crankshaft 41 drives movable orbiting scroll 5 around the basic circle center eccentric center translation of fixed scroll 6, due to secondary crankshaft 42 Presence, secondary crankshaft 42 can limit 5 rotation of movable orbiting scroll.
With reference to Fig. 2, movable orbiting scroll 5 (referring to Fig. 9) is fixed with the dynamic whirlpool tooth 51 of vortex shape far from 4 side of bearing block, moves whirlpool tooth 51 tooth top is embedded with dynamic sealing item 52.
With reference to Figure 10, recess has reception room 61 in fixed scroll 6, and the quiet whirlpool tooth 62 of vortex shape is fixed in reception room 61, The tooth top of quiet whirlpool tooth 62 is embedded with static seal item 65 (with reference to Fig. 2).Air inlet 63 is provided on 61 peripheral wall of reception room, fixed scroll 6 Side is fixed with the air inlet pipe 66 (with reference to Fig. 6) connecting with air inlet 63, and the center of 61 bottom of reception room is provided with venthole 64, the side of fixed scroll 6 is fixed with the escape pipe 67 connecting with venthole 64 (with reference to Fig. 6).
With reference to Fig. 2 and Figure 10, dynamic whirlpool tooth 51 can be mutually twisted with quiet whirlpool tooth 62.Basic circle of the movable orbiting scroll 5 relative to fixed scroll 6 During translation, air is entered in reception room 61 by air inlet pipe 66 (referring to Fig. 6), can between movable orbiting scroll 5 and fixed scroll 6 Several diminishing compression chambers are formed, the air having just enter into reception room 61 will be wrapped up into maximum compression chamber;With The rotation of movable orbiting scroll 5, compression chamber will gradually become smaller and compressed air, compressed air will finally be drained by venthole 64 In escape pipe 67 (referring to Fig. 6).
With reference to Fig. 2, fan 3 is equipped between motor body 22 and bearing block 4, motor output shaft 21 passes through fan 3 and and wind Fan 3 is connected by spline.
With reference to Fig. 6, fixed scroll 6 is far from movable orbiting scroll 5 (referring to Fig. 2) if being fixed with dry plate heat-dissipating fin on the side wall of side 81, if 81 upper end of dry plate heat-dissipating fin is connected with the ventilation duct 8 for being passed through air into the gap of heat-dissipating fin 81, ventilation duct 8 bolts are fixed in bearing block 4 (with reference to Fig. 1).Heat-dissipating fin 81 has wind deflector 68, wind deflector far from fixed scroll 6 is one side closed 68 are formed and wind deflector 68 is bolted with heat-dissipating fin 81 by two pieces.The a side of wind deflector 68 far from ventilation duct 8 with There are the gaps (referring to Fig. 4) for exporting air for the one end of heat-dissipating fin 81 far from ventilation duct 8.Adjacent two panels heat-dissipating fin 81 Between be fixed with water conservancy diversion inclined-plane 82, and water conservancy diversion inclined-plane 82 is located at the one end of heat-dissipating fin 81 far from ventilation duct 8, and water conservancy diversion inclined-plane 82 makes Wind energy between heat-dissipating fin 81 is more smoothly exports to the external world.
It is main if the gap of dry plate heat-dissipating fin 81 (referring to Fig. 6) and ventilation duct 8 together form main air duct 9 with reference to Fig. 4 Air duct 9 is used for the air that water conservancy diversion is agitated by fan 3.Zhi Liuguan 83, and the lower end connection of Zhi Liuguan 83 are communicated on the downside of ventilation duct 8 In into the gap of bearing block 4 and movable orbiting scroll 5, the gap and Zhi Liuguan 83 of bearing block 4 and movable orbiting scroll 5 together form secondary air duct 91, it offers on bearing block 4 for being connected to secondary air duct 91 and extraneous air outlet 46.One piece is fixed with outside air outlet 46 substantially L-shaped deflector 47 (referring to Figure 11), the air that deflector 47 is used to flow is guided towards far from 22 direction of motor body.
With reference to Fig. 8, fan 3 includes fan frame 31, the runoff flabellum 32 for being fixed on fan 31 periphery of frame, and fan frame 31 is solid by spline It is scheduled in motor output shaft 21 (with reference to Fig. 2), runoff flabellum 32 is fixed with fixed ring close to motor body 22 (referring to Fig. 4) side Plate 33.
With reference to Fig. 4 and Fig. 7, fan 3 is equipped with cricoid wind collection slot 7 far from 22 side of motor body, and ventilation duct 8 is connected to The slot bottom of wind collection slot 7, ventilation duct 8 are bolted with wind collection slot 7.The slot bottom of wind collection slot 7 is obliquely installed, and is used for wind collection slot 7 Interior wind is directed in ventilation duct 8.Wind collection slot 7 is fixed with the flow apron 71 of annular, water conservancy diversion gear close to 22 side of motor body The section of plate 71 is substantially L-shaped.Gap between wind collection slot 7 and bearing block 4 is air inlet duct 92, and air inlet duct 92 is in communication with the outside, In the course of rotation, the air in air inlet duct 92 can be guided by runoff flabellum 32 to outer ring fan 3, and in flow apron 71 It flows into wind collection slot 7, is then eventually entered into main air duct 9 under water conservancy diversion.
Specific implementation process: being rotated by 22 driving motor output shaft 21 of motor body, and motor output shaft 21 drives main crankshaft 41 rotations, then drive movable orbiting scroll 5 to be translatable around the basic circle of fixed scroll 6 by main crankshaft 41, due to the presence of secondary crankshaft 42, secondary crankshaft 42 5 rotation of movable orbiting scroll can be limited, then movable orbiting scroll 5 will be radius same flat using the distance between axles between first axle 411 and the second axis 412 It is eccentrically rotated on face.During this, the air in air inlet pipe 66 is entered in reception room 61, between movable orbiting scroll 5 and fixed scroll 6 Several compression chambers being gradually reduced can be formed, the air having just enter into reception room 61 will be first trapped into maximum compression chamber; With the rotation of movable orbiting scroll 5, compression chamber will gradually become smaller and compressed air, this partial air will be finally discharged from venthole 64 To escape pipe 67.To complete the process of air compression.
At the same time, motor output shaft 21 drives fan 3 to rotate, and fan 3 carries out two air-cooled processes for synchronous.First: Air in air inlet duct 92 will flow under the water conservancy diversion of runoff flabellum 32 to 3 outer ring of fan, and under the water conservancy diversion of flow apron 71 It flows into wind collection slot 7, then finally converges in ventilation duct 8, and if being entered between dry plate heat-dissipating fin 81 by ventilation duct 8 In gap, finally flowed out between wind deflector 68 and the gap of heat-dissipating fin 81.During this, the air of flowing is to heat-dissipating fin 81 play the role of wind-cooling heat dissipating, reduce the temperature of fixed scroll 6.
Second: portion of air from water conservancy diversion in ventilation duct 8 into secondary air duct 91 in, that is, be introduced into Zhi Liuguan 83, enter back into axis In the gap for holding seat 4 and movable orbiting scroll 5, since fixed scroll 6 is enclosed in bearing block 4 far from 3 one end of fan, then bearing block 4 and dynamic whirlpool Only there are two outlets in the gap of disk 5, so the air flowed into from Zhi Liuguan 83 will finally be discharged from air outlet 46.This process In, the air of this part flowing has carried out wind cooling temperature lowering to bearing block 4 and movable orbiting scroll 5.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (4)

  1. It is same that 1. permanent magnetism is successively fixed with a kind of oil-free scroll formula air compressor, including installation pedestal (1), in installation pedestal (1) Motor (2), bearing block (4), fixed scroll (6) are walked, permanent magnet synchronous motor (2) includes motor body (22) and motor body (22) The motor output shaft (21) being fixedly connected;Movable orbiting scroll (5) are equipped between bearing block (4) and fixed scroll (6);In bearing block (4) Portion's rotation is embedded with main crankshaft (41), and main crankshaft (41) is rotatablely connected far from bearing block (4) one end and movable orbiting scroll (5), motor Output shaft (21) one end is pierced into bearing block (4) and is fixedly connected with the one end of main crankshaft (41) in bearing block (4);Bearing It rotates and is embedded with secondary crankshaft (42) on seat (4), and secondary crankshaft (42) is rotatablely connected far from bearing block (4) one end and movable orbiting scroll (5);
    Movable orbiting scroll (5) is fixed with the dynamic whirlpool tooth (51) of vortex shape far from bearing block (4) side, and fixed scroll (6) is close to dynamic whirlpool tooth (51) side recess has the quiet whirlpool tooth (62) that vortex shape is fixed in reception room (61) and reception room (61), and dynamic whirlpool tooth (51) are put in It is intermeshed in reception room (61) and with quiet whirlpool tooth (62);The bottom of reception room (61) is provided with air inlet (63), fixed scroll (6) Side is fixed with the air inlet pipe (66) connecting with air inlet (63), and the center of reception room (61) bottom is provided with venthole (64), the side of fixed scroll (6) is fixed with the escape pipe (67) connecting with venthole (64);
    On motor output shaft (21) fixing sleeve be equipped with fan (3) and fan (3) be located at motor body (22) and bearing block (4) it Between;Fixed scroll (6) on the side wall of side far from movable orbiting scroll (5) if be fixed with dry plate heat-dissipating fin (81), and bearing block (4) is far from peace It is equipped with ventilation duct (8) in dress pedestal (1) one side wall, ventilation duct (8) one end is connected to the side of fan (3) and the other end connects To the gap location of dry plate heat-dissipating fin if (81);If the gap of dry plate heat-dissipating fin (81) and ventilation duct (8) together form use In the main air duct (9) for the air that water conservancy diversion is agitated by fan (3);
    It is characterized by: being communicated with Zhi Liuguan (83) on ventilation duct (8) and Zhi Liuguan (83) is connected into bearing block (4) and movable orbiting scroll (5) in gap, the gap and Zhi Liuguan (83) of bearing block (4) and movable orbiting scroll (5) are formd secondary air duct (91), bearing block (4) On offer for be connected to secondary air duct (91) and the external world air outlet (46);
    Fan (3) is equipped with cricoid wind collection slot (7) far from motor body (22) side and ventilation duct (8) is connected to wind collection slot (7) Slot bottom;
    The slot bottom of wind collection slot (7) is obliquely installed and is used to for the wind in wind collection slot (7) being directed in ventilation duct (8);
    The deflector that the air for that will flow is oriented to towards separate motor body (22) direction is fixed with outside air outlet (46) (47);
    One base bearing (43) is installed on bearing block (4) and base bearing (43) is located at bearing block (4) center, bearing block (4) three supplementary bearings (44), axis spaced set of three supplementary bearings (44) around base bearing (43) are also equipped on;Bearing block (4) it is equipped with main crankshaft (41) in, main crankshaft (41) one end and movable orbiting scroll (5) are rotatablely connected by driven bearing (45), and main Crankshaft (41) other end is installed into base bearing (43);A secondary crankshaft (42) is mounted on each supplementary bearing (44), and secondary bent Axis (42) and movable orbiting scroll (5) are rotatablely connected also by driven bearing (45);
    Gap between the wind collection slot (7) and bearing block (4) is air inlet duct (92), and wind collection slot (7) is close to motor body (22) Side is fixed with flow apron (71), and fan (3) is for the air in air inlet duct (92) to be oriented to via flow apron (71) It is conveyed afterwards into the radial fan in wind collection slot (7).
  2. 2. a kind of oil-free scroll formula air compressor according to claim 1, it is characterized in that: the heat-dissipating fin (81) is remote It is covered with wind deflector (68) from fixed scroll (6) one end, and wind deflector (68) a side and heat-dissipating fin far from ventilation duct (8) (81) there are the gaps for exporting air for one end far from ventilation duct (8).
  3. 3. a kind of oil-free scroll formula air compressor according to claim 2, it is characterized in that: the wind deflector (68) bolt It is connected on heat-dissipating fin (81).
  4. 4. a kind of oil-free scroll formula air compressor according to claim 3, it is characterized in that: radiating wing described in adjacent two panels It is fixed with water conservancy diversion inclined-plane (82) between piece (81) and water conservancy diversion inclined-plane (82) are located at heat-dissipating fin (81) far from ventilation duct (8) one end.
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CN109185128B (en) * 2018-10-23 2024-06-07 珠海格力节能环保制冷技术研究中心有限公司 Vortex air compressor
CN113107844A (en) * 2021-05-28 2021-07-13 浙江蓝德华燕动力有限公司 Large-displacement low-pressure oil-free scroll compressor
CN114094766A (en) * 2021-11-30 2022-02-25 浙江水泵总厂有限公司 Generator heat radiation structure and have its generator
WO2023198315A1 (en) * 2022-04-15 2023-10-19 Eaton Intelligent Power Limited Forced air-cooling of air compressor using suction of compressor

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CN206477997U (en) * 2017-01-16 2017-09-08 东莞市康驰实业有限公司 A kind of direct-connected oil-free air compressor

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CN204851423U (en) * 2015-08-25 2015-12-09 罗明哲 Fan supercharged engine
CN205823635U (en) * 2016-07-28 2016-12-21 陆亚明 Scroll type air compressor assembly
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
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