CN108678929A - Air pressure pump and air compressor - Google Patents
Air pressure pump and air compressor Download PDFInfo
- Publication number
- CN108678929A CN108678929A CN201810356149.1A CN201810356149A CN108678929A CN 108678929 A CN108678929 A CN 108678929A CN 201810356149 A CN201810356149 A CN 201810356149A CN 108678929 A CN108678929 A CN 108678929A
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- CN
- China
- Prior art keywords
- crankcase
- cylinder
- air
- ventilation opening
- pressure pump
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc 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
- F04B39/122—Cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/128—Crankcases
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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
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
A kind of air pressure pump, crank including crankcase, in crankcase, the first fan that can be rotated under crank handle turns, cylinder, the piston that can be moved back and forth in cylinder, driving the connecting rod of piston motion, the crankcase is equipped with inside connection crankcase and at least ventilation opening outside crankcase, the the first air-flow at least ventilation opening described in driven when the first fan rotation flows out the crankcase and flows through the outer surface of the cylinder, and the outer surface to accelerate cylinder radiates.So design, by ventilation opening, the first air-flow for flowing out the crankcase through an at least ventilation opening flows through cylinder outer surface, effectively radiates to cylinder outer surface.
Description
【Technical field】
The present invention relates to a kind of air pressure pump and its affiliated air compressors, more particularly, to the air pressure pump
The ventilation and heat structure of crankcase and cylinder.
【Background technology】
Air pressure pump is pneumatic tool (such as pneumatic nail gun, sanding tool, paint spraying outfit for providing compressed air
Deng) provide air force or for inflating.Cylinder during piston reciprocating compressed air can gradual heating, existing skill
Lack the targetedly heat sink conception to cylinder in art.
【Invention content】
Problem to be solved by this invention is to provide a kind of air pressure pump of set cylinder good heat dissipation effect.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:A kind of air pressure pump, including crankcase,
Crank in crankcase, the first fan that can be rotated under crank handle turns, cylinder, the work that can be moved back and forth in cylinder
It fills in, to drive the connecting rod of piston motion, the crankcase is equipped with inside connection crankcase to be led to at least one outside crankcase
Air port, the first air-flow that first fan drives when rotating at least ventilation opening described in flow out the crankcase and flow through institute
The outer surface for stating cylinder, the outer surface to accelerate cylinder radiate.
So design, by ventilation opening, the first air-flow for flowing out the crankcase through an at least ventilation opening flows through gas
Cylinder outer surface effectively radiates to cylinder outer surface.
Further, the crankcase is equipped with the port with cylinder interior inside connection crankcase, and the connecting rod is through institute
Port is stated, the second air-flow that first fan drives when rotating flows out the crankcase through the port and flows into the cylinder
It is internal.So design, by ventilation opening and port, first fan has had both to cylinder outer surface and has been sent with cylinder interior
Wind can dry to cylinder outer surface while to cylinder interior tonifying Qi and radiate.
Further, air pressure pump further includes cylinder cap, the valve plate between cylinder cap and cylinder, and it is logical that piston is equipped with first
Road, to close and open the air-intake valve plate of first passage, second air-flow enter after cylinder interior can through first passage into
Enter between piston and valve plate.
Further, the crankcase is additionally provided with the roof between crank and cylinder, the port, ventilation opening difference
Through the roof.
Further, air pressure pump further includes the motor and the first screw that crank can be driven to rotate, first screw
It penetrates crank and mutually fixes machine shaft with crank, the crankcase is additionally provided with inside perforation crankcase with crankcase outside simultaneously
The resigning mouthful passed through for the first screw.
Further, the crankcase is additionally provided with the bottom wall opposite with roof, and the resigning mouthful runs through bottom wall.
Further, the quantity of an at least ventilation opening is multiple, and the roof is equipped with port and each ventilation opening point
The circular bar separated, the circular bar surround the port.
Further, the circular bar is in circular ring shape, and the roof is equipped with the spacer ribs for separating adjacent ventilation opening,
Each spacer ribs extend radially outwardly from circular bar respectively.
Further, the roof is additionally provided with multiple outer walls, and the interval between the outer wall and circular bar forms described logical
Air port, the cylinder include multiple first cooling fins outside, and first cooling fin lower end reclines or close to correspondence
Outer wall upper end.
Further, the quantity of an at least ventilation opening is multiple, and the roof, which is equipped with, separates adjacent ventilation opening
The spacer ribs opened.
Further, the quantity of an at least ventilation opening be it is multiple and respectively with port separately, the distribution of each ventilation opening
Surround in the periphery of port and jointly the port.
Further, the cylinder includes at least one first cooling fin outside, when first fan rotates
First air-flow driven at least ventilation opening described in blows at least one first cooling fin.
Further, the quantity of at least one first cooling fin is multiple, the interval between the first adjacent cooling fin
The first interval trough is constituted, first interval trough is penetrated through with corresponding ventilation opening, and at least partly the first air-flow is blown into the first interval
Slot.So design, the first air-flow can more smoothly flow into the first interval trough and be formed more effectively with the surface of the first cooling fin
Heat exchange, enhance the first cooling fin heat dissipation.
Further, the crankcase is additionally provided with the roof between crank and cylinder, and the ventilation opening is through described
Roof, has the first interval trough between the first adjacent cooling fin outside the cylinder, first interval trough along
The projection that one first direction is projected to roof top surface at least partly falls into corresponding ventilation opening, and the first direction is perpendicular to roof
Top surface.So design, the first air-flow can flow into the first interval trough and the surface of the first cooling fin forms more effective heat exchange,
Enhance the heat dissipation of the first cooling fin.
Further, the crankcase is additionally provided with the roof between crank and cylinder, and the ventilation opening is through described
Roof, first cooling fin at least partly fall into corresponding ventilation along the projection that a first direction is projected to roof top surface
Mouthful, the first direction is perpendicular to roof top surface.
Further, air pressure pump further includes the motor that crank can be driven to rotate, shaft and the crank phase of the motor
Fixed, first cooling fin is parallel to machine shaft perpendicular to roof top surface, the roof top surface.
Further, the lower end of first cooling fin is towards corresponding ventilation opening.
Further, first cooling fin radially outward protruding out along cylinder, first cooling fin is radially outward
Beyond corresponding ventilation opening.
Further, the quantity of first cooling fin is peripheries that are multiple and being radially distributed in cylinder.
Further, further include the motor that crank can be driven to rotate, the shaft of the motor mutually fixes with crank, the gas
There is cylinder the first opposite side and the second side, the cylinder the second side to be located between the first side of motor and cylinder, and described at least one
First cooling fin includes the first side cooling fin, the second side cooling fin positioned at cylinder the second side positioned at the first side of cylinder, described
An at least ventilation opening includes the first side ventilation opening and the second side ventilation opening positioned at port two opposite sides, part first air-flow
The first side cooling fin is blowed to by the first side ventilation opening, also part first air-flow blows to second by the second side ventilation opening
Side cooling fin.
Further, the cylinder has opposite third side and the 4th side, the first side of the cylinder, the second side, the
Three sides, the 4th side are centered around the periphery of connecting rod jointly, and at least one first cooling fin further includes positioned at the of cylinder third side
Three side cooling fins, the 4th side cooling fin positioned at the 4th side of cylinder, an at least ventilation opening further include being located at port opposite two
The third side ventilation opening and the 4th side ventilation opening of side, part first air-flow blow to third side by third side ventilation opening and radiate
Piece, part first air-flow blow to the 4th side cooling fin by the 4th side ventilation opening.So design, all divides in the surrounding of cylinder
It is furnished with cooling fin and matches with corresponding ventilation opening, significantly improve the heat dissipation performance of cylinder.
Further, air pressure pump further includes the motor that crank can be driven to rotate, the second wind for being fixed on machine shaft
Fan, the shaft of the motor mutually fixes with crank, and second fan and crankcase are located at the two opposite sides of motor, and described second
Fan is located at the outside of motor, and the third air-flow that second fan drives when rotating is blown into inside motor, second fan
The 4th air-flow driven when rotation can be directly blown onto the second side cooling fin without what is blocked.
Further, air pressure pump further includes cylinder cap, the valve plate between cylinder cap and cylinder, the cylinder cap, valve plate,
Cylinder, crankcase are stacked gradually together and are mutually fixed, and the cylinder cap is equipped with several second cooling fins.
Further, air pressure pump further includes the motor that crank can be driven to rotate, in crankcase and the company of being configured at
The shaft of the first bearing of bar one end, the motor is mutually fixed with crank, and the crank includes the transmission shaft of eccentric setting, described
Motor is moved by transmission shaft, first bearing drive link, and the first fan bias is fixed on transmission shaft.
Further, the transmission shaft is parallel with machine shaft but non-coaxial setting.
Further, the central axis of the machine shaft passes through the center position of first fan.So design
Although the first fan with the fixed position of transmission shaft and eccentric occlusion, the first fan is still around its center when rotating
Position rotates, can be relatively more steady to the rotation of the first fan 41.
Further, air pressure pump further includes the motor that crank can be driven to rotate, in crankcase and the company of being configured at
The shaft of the first bearing of bar one end, the motor is mutually fixed with crank, and the crank includes transmission shaft, and the transmission shaft includes
The first shaft portion and the second shaft portion of coaxial arrangement, the first shaft portion and the inner ring of first bearing are mutually fixed, the second shaft portion
It is mutually fixed with the first fan, the second shaft portion is parallel with machine shaft but non-coaxial setting.
Further, air pressure pump further include the baffle for being fixed on crankcase, can drive crank rotate motor, it is described
The shaft of motor is mutually fixed with crank, and the baffle is located at the two opposite sides of crankcase with motor, and first fan is located at gear
Between plate and crank, the baffle offers several first ventilation holes, the first ventilation hole connection crankcase inside and bent axle
Outside case.
Further, the baffle includes the medial surface towards the first fan, configured with ventilative on the baffle medial surface
Noise reduction layer.So design, can set more or be arranged the first ventilation hole of bigger, enhance the ability of the air inlet into crankcase, no
The first ventilation hole that the first ventilation hole sets the propagation of noise or be arranged very little less must be excessively limited to.
The present invention also provides a kind of air pressure pump, including crankcase, the crank in crankcase, can be in crank handle turns
First fan of lower rotation, cylinder, the piston that can be moved back and forth in cylinder, to drive the connecting rod of piston motion, further
, the crankcase is equipped with at least ventilation opening outside crankcase inside connection crankcase, and the cylinder is including being located at it
External at least one first cooling fin, the first air-flow that first fan drives when rotating at least ventilation opening outflow described in
The crankcase, and at least one first cooling fin is blowed to accelerate the heat dissipation of the first cooling fin.
Further, the crankcase is equipped with the port of connection crankcase inside and cylinder interior, is located at crank and cylinder
Between roof, the connecting rod runs through the port, and the second air-flow that when first fan rotation drives is through the port stream
Go out the crankcase and flow into the cylinder interior, the port, ventilation opening extend through the roof.
Further, the quantity of an at least ventilation opening is multiple, and each ventilation opening is distributed in the periphery of port and difference
Separately with port.
The present invention also provides a kind of air compressor, including air pressure pump above-mentioned, air accumulator, it is communicated in the air
Appendix between compression pump and air accumulator.
These features and advantages of the present invention will the detailed exposure in following specific implementation mode, attached drawing.
【Description of the drawings】
Fig. 1 is the stereogram of air compressor of the present invention;
Fig. 2 is the stereogram of air pressure pump of the present invention;
Fig. 3 is the vertical view of air pressure pump of the present invention;
Fig. 4 is the exploded view of air pressure pump of the present invention;
Fig. 5 is the sectional view of air pressure pump of the present invention longitudinal direction;
Fig. 6 is the side view of air pressure pump of the present invention;
Fig. 7 is the stereogram of one angle of air pressure pump crankcase of the present invention;
Fig. 8 is the stereogram of another angle of air pressure pump crankcase of the present invention;
Fig. 9 is the stereogram of the another angle of air pressure pump crankcase of the present invention;
Figure 10 is the magnified partial view of this Fig. 4.
【Specific implementation mode】
The technical solution of the embodiment of the present invention is explained and illustrated with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiment without making creative work, belongs to protection scope of the present invention.
Air compressor of the present invention shown in referring to Fig.1, including air accumulator 10, the outlet manifold for being connected to air accumulator 10
It is (not labeled), the pressure gauge (not labeled) being set on outlet manifold, the pressure regulator valve (not labeled) being set on outlet manifold, more
A heel brace 11, holder 12, appendix 13, air pressure pump, air accumulator 10, heel brace 11, air pressure pump are individually fixed in holder
12, holder 12 is equipped with the fixed plate 121 of handle 120 and fixed air pressure pump.
With reference to Fig. 2 to air pressure pump of the present invention shown in Fig. 10, including motor, crankcase 2, in crankcase 2
Crank 3, the first fan 41 that can be rotated under the drive of crank 3, cylinder 5, can move back and forth in the cylinder 5 first bearing 40
Piston 6, the connecting rod 42 to be moved back and forth in cylinder 5 with piston 6, the second fan 43.Motor and the assembly of 2 phase of crankcase are solid
It is scheduled on together.Motor includes stator 70, rotor, carbon brush component 71, second bearing 72,3rd bearing 73, shell 74, end cap 75,
Rotor includes coil module 760, commutator 761 and shaft 762, and machine shaft 762 sequentially passes through second bearing 72, coil module
760, commutator 761,3rd bearing 73, the inner ring of second bearing 72, the inner ring of 3rd bearing 73 are individually fixed in machine shaft
762, motor can drive crank 3 to rotate, and machine shaft 762 is fixed with 3 phase of crank, and motor driving piston 6 is back and forth transported in cylinder 5
It is dynamic that with compressed air, compressed air is stored in air accumulator 10, the rated power of motor in 100w between 3000w, preferably
In 200w between 1800w.Connecting rod 42, which is connected between piston 6 and crank 3, to be moved to band piston 6 in cylinder 5, end cap
75 are equipped with the bearing cave 750 of installation 3rd bearing 73.
Crankcase 2 is equipped with 2 inside of connection crankcase and at least ventilation opening outside crankcase 2, the rotation of the first fan 41
When the first air-flow for driving flow out crankcase 2 through aforementioned ventilation opening and flow through the outer surface of cylinder 5, to accelerate the outer of cylinder 5
Portion's surface radiating so designs, and by ventilation opening, the first fan 41 drive air flows the air-flow to be formed and blows toward outside cylinder 5
Surface more efficient can radiate to 5 outer surface of cylinder.Crankcase 2 is equipped in 2 inside of connection crankcase and cylinder 5
The port 20 in portion, connecting rod 42 run through port 20, and the second air-flow that the first fan 41 drives when rotating flows out crankcase 2 through port 20
And it flows into inside cylinder 5.So design, by ventilation opening and port 20, the first fan 41 had both to 5 outer surface of cylinder and
5 inner blower of cylinder can take into account more sufficient gas and more efficient 5 outer surface of acceleration cylinder inside offer cylinder 5 and dissipate
Heat.In present embodiment, the first fan 41 and it is indirect blow to ventilation opening and port 20, the first fan 41 rotates so that crankcase
Air outside 2 enters crankcase 2, then flows out crankcase 2 by ventilation opening, port 20 etc., so as to form air-flow, the first air-flow,
Second air-flow is to drive the air in crankcase 2 excessive because the first fan 41 rotates and generate, and the first fan 41 is shape
At the power resources of the first air-flow, the second air-flow, therefore, the first air-flow, the second air-flow are driven by the first fan 41.First
The second air-flow that fan 41 drives when rotating flows out crankcase 2 through port 20 and flows into inside cylinder 5, when the first fan 41 rotates
The first air-flow driven is flowed to through ventilation opening outside cylinder 5.
Air pressure pump further includes cylinder cap 80, valve plate 81, several long spiro nails 82 between cylinder cap 80 and cylinder 5, is lived
Plug 6 is equipped with first passage 60, the air-intake valve plate 61 to close and open first passage 60, end plate 62, locks air-intake valve plate 61
Screw 63, piston ring 64, trim ring 65 on end plate 62, the second air-flow can pass through first passage 60 simultaneously after flowing into 5 inside of cylinder
It opens air-intake valve plate 61 and enters between piston 6 and valve plate 81.60 penetrating end plates 62 of first passage, the end plate 62 of present embodiment
It is linked together with connecting rod 42, trim ring 65 is fixed on end plate 62 and piston ring 64 is locked on end plate 62.Each long spiro nail 82 is successively
Through cylinder cap 80, valve plate 81, cylinder 5 and it is fixed on crankcase 2, cylinder cap 80, valve plate 81, cylinder 5, crankcase 2 are sequentially stacked on
It fixes together and mutually.
Cylinder cap 80 is equipped with the gas outlet 800 being connected to inside cylinder cap 80, several second cooling fins 801, and valve plate 81 is equipped with second
Channel 810 and to close and open the outlet valve block 811 of second channel 810.Air passes through first when air pressure pump works
Channel 60 is simultaneously pushed air-intake valve plate 61 open and is entered between piston 6 and valve plate 81, further across second channel 810 and pushes outlet open
Valve block 811 and enter cylinder cap 80 in, further exported by 80 gas outlet 800 of cylinder cap.Second cooling fin 801 is laterally extended, the
One cooling fin is longitudinally extended.
Crankcase 2 is additionally provided with the roof 21 between crank 3 and cylinder 5, and port 20, ventilation opening extend through roof
21.Cylinder 5 is assemblied in 2 roof 21 of crankcase, and roof 21 offers the screw hole 210 locked with long spiro nail 82.
Air pressure pump further includes the first screw 44, and the first screw 44 penetrates crank 3 and by machine shaft 762 and crank 3
Mutually fixed, crankcase 2 is additionally provided with the bottom wall 22 opposite with roof 21,2 inside of perforation crankcase and 2 outside of crankcase and supplies first
The resigning mouthful 23 that screw 44 passes through.Resigning mouthful 23 runs through bottom wall 22, can first crank 3 is put into crankcase 2 and is sleeved on when assembly
762 one end of machine shaft, 3 machine shaft 762 of crank is in the state matched of pine at this time, then makes screw hole 30 on crank 3 and allow
Position mouth 23 is aligned, and the first screw 44 is then put into screw hole 30 from resigning mouthful 23 and is further screwed, final first screw 44
It is screwed to bottom and fixes machine shaft 762 and 3 phase of crank.In present embodiment, resigning mouthful 23 is located at the center of bottom wall 22, when
Piston 6 is in highest order (as shown in figure 5, connecting rod 42 is in vertical state at this time), and 3 screw hole 30 of crank just can be with resigning mouthful 23
Alignment.
The quantity of ventilation opening is multiple, and roof 21 is equipped with the circular bar 211 for separating port 20 and each ventilation opening, annular
Muscle 211 surrounds port 20.Circular bar 211 is in circular ring shape, and roof 21 is additionally provided with the spacer ribs for separating adjacent ventilation opening
212, each spacer ribs 212 are integrally connected to the radial outside of circular bar 211 respectively, and each spacer ribs 212 are respectively from 211 diameter of circular bar
To extending outwardly, so-called radial direction is the radial direction in the circular bar 211 of circular ring shape.Roof 21, which is additionally provided with, separates adjacent ventilation opening
The spacer ribs 212 opened, spacer ribs 212 are integrally connected to the radial outside of circular bar 211, and spacer ribs 212 are radial from circular bar 211
Extend outwardly.Each ventilation opening respectively with port 20 separately, each ventilation opening be distributed in the periphery of port 20 and jointly surround port
20.Roof 21 is additionally provided with several outer walls 214, and the interval between outer wall 214 and circular bar 211 forms aforementioned ventilation opening, spacer ribs
212 are connected between outer wall 214 and circular bar 211.
Cylinder 5 includes at least one first cooling fin outside, the first fan 41 driven when rotating aforementioned first
Air-flow blows to the first cooling fin by ventilation opening, to accelerate the heat dissipation of the first cooling fin.The surface of first cooling fin constitutes cylinder 5
Outer surface a part.The quantity of first cooling fin is multiple, and 5 outside of cylinder has several first interval troughs 50, specifically
For, the interval between the first adjacent cooling fin constitutes the first interval trough 50, and the first interval trough 50 is passed through with corresponding ventilation opening
Logical, at least partly the first air-flow is blown into the first interval trough 50 through ventilation opening, so designs, and the first air-flow can more flow into the
One interval trough 50 and form more effective heat exchange with the surface of the first cooling fin, enhance the heat dissipation to the first cooling fin.First
The corresponding ventilation opening of 50 face of interval trough.Cylinder 5 is mounted on 21 top surface 213 of roof, and the first interval trough 50 is along a first direction
The projection projected to 21 top surface 213 of roof at least partly falls into ventilation opening, and first direction is perpendicular to 21 top surface 213 of roof, so
Design, the first air-flow can more flow into the first interval trough 50 and form more effectively heat with the surface of the first cooling fin and hand over
It changes, enhances the heat dissipation to the first cooling fin.The projection that first cooling fin is projected to 21 top surface 213 of roof along a first direction is extremely
Small part falls into ventilation opening, so designs, and the first air-flow can more flow through the surface of the first cooling fin and radiate with first
The surface of piece forms more effective heat exchange, enhances the heat dissipation to the first cooling fin.First cooling fin is perpendicular to 21 top surface of roof
213,21 top surface 213 of roof is parallel to machine shaft 762.The lower end of first cooling fin is towards corresponding ventilation opening.Inside cylinder 5
Cylindrical space is formed, piston 6 is located in the cylindrical space, and each first cooling fin radially divides in the circumferential direction of cylinder 5
Cloth, the first cooling fin are radially distributed in the periphery of cylinder 5, and the first cooling fin is radially outward protruded out along cylinder 5, and first
Cooling fin radially outward exceeds corresponding ventilation opening.First cooling fin partly overlaps with corresponding outer wall 214 in a first direction,
First cooling fin lower end reclines and the upper end of corresponding outer wall 214, also can be such:First cooling fin lower end is close to corresponding outer wall
214 upper end, close to requirement be the first cooling fin lower end and the upper gap of outer wall 214 is less than 1cm.
There is cylinder 5 the first opposite side 51 and the second side 52,5 the second side 52 of cylinder to be located at motor and 5 first side of cylinder
Between 51, those first cooling fins include positioned at the first side cooling fin 53 of 5 first side 51 of cylinder, positioned at 5 the second side 52 of cylinder
The second side cooling fin 54, those ventilation openings include divulging information with the second side positioned at the first side ventilation opening 24 of 20 two opposite sides of port
Mouth 25, aforementioned first air-flow in part blow to the first side cooling fin 53, the aforementioned first air-flow warp in part by the first side ventilation opening 24
It crosses the second side ventilation opening 25 and blows to the second side cooling fin 54.Cylinder 5 also has opposite third side 55 and the 4th side 56, cylinder 5
The first side 51, the second side 52, third side 55 and the 4th side 56 be centered around the periphery of connecting rod 42 jointly, those first cooling fins are also
Include third side cooling fin 57, the 4th side cooling fin 58 positioned at the 4th side 56 of cylinder 5 positioned at 5 third side 55 of cylinder, those
Ventilation opening further includes the third side ventilation opening 26 and the 4th side ventilation opening 27 positioned at 20 two opposite sides of port, aforementioned first gas in part
Stream blows to third side cooling fin 57 by third side ventilation opening 26, and aforementioned first air-flow in part is blowed to by the 4th side ventilation opening 27
4th side cooling fin 58.So design is all distributed with the first cooling fin in the surrounding of cylinder 5 and matches with corresponding ventilation opening,
Significantly improve the heat dissipation performance of cylinder 5.
Second fan 43 is fixed on machine shaft 762, and the second fan 43 is located at the two opposite sides of motor with crankcase 2,
Second fan 43 is located at the outside of motor, and the third air-flow that the second fan 43 drives when rotating is blown into inside motor, the second fan
The 4th air-flow driven when 43 rotation can be directly blown onto the second side cooling fin 54 without what is blocked.If motor housing 74 is equipped with involvement
It is blown into the wind in motor with the second ventilation hole 740 of outside motor, the second fan 43 inside three-way motor and passes through the second ventilation hole 740
Outflow motor.
First bearing 40 is located in crankcase 2 and is configured at 42 one end of connecting rod, and crank 3 includes the transmission shaft of eccentric setting,
Then transmission shaft and machine shaft 762 are not coaxial arrangements to transmission shaft eccentric setting, and motor passes through transmission shaft, first bearing 40 is driven
Dynamic connecting rod 42 moves, and 41 bias of the first fan is fixed on transmission shaft, and 41 bias of the first fan is fixed on transmission shaft then the first fan
The center position with the fixed position of transmission shaft not instead of the first fan 41 on 41, deviates from the center of the first fan 41
Heart position, transmission shaft is parallel with machine shaft 762 but non-coaxial setting.So-called coaxial arrangement, that is, axis of the present invention is to overlap
's.The central axis of machine shaft 762 passes through the center position of the first fan 41, so designs, although the first fan 41
It is not center position with the fixed position of transmission shaft, but is still to be revolved around its center position when the rotation of the first fan 41
Turn, can be relatively more steady to the rotation of the first fan 41, the central axis of machine shaft 762 and the central axis of transmission shaft are flat
Row is still staggered, and the central axis of machine shaft 762 and the central axis of transmission shaft are actually respectively a virtual straight line,
Be for ease of description position relationship etc. and define.The center of gravity position at its center of first fan 41.Transmission shaft includes first
Axle portion 31 and the second shaft portion 32, the cone connection 33 being connected between first shaft portion 31 and the second shaft portion 32, first shaft portion 31
It is mutually fixed with the inner ring of first bearing 40, the second shaft portion 32 is fixed with 41 phase of the first fan, the second shaft portion 32 and machine shaft 762
Parallel but non-coaxial setting.First shaft portion 31 is coaxially disposed with the second shaft portion 32, and the radial dimension of first shaft portion 31 is more than second
The radial dimension of axle portion 32.The second shaft portion 32 is equipped with screw hole 320, and the first fan 41 is equipped with depression 410, and the second shaft portion 32 is inserted into
In depression 410, the second screw 45 is locked in screw hole 320 to fix the first fan 41 and 32 phase of the second shaft portion.
Air pressure pump further includes the baffle 46 for being fixed on crankcase 2, and baffle 46 is located at opposite the two of crankcase 2 with motor
Side, for the first fan 41 between baffle 46 and crank 3, baffle 46 offers several first ventilation holes 460, the first ventilation hole
460 connection crankcase, 2 inside is with outside crankcase 2, and extraneous air is by the first ventilation when crank 3 drives the rotation of the first fan 41
Hole 460 enters in crankcase 2.Baffle 46 includes the medial surface 461 towards the first fan 41, is configured on 46 medial surface 461 of baffle
It is preferably to depend on the noise reduction sponge of 46 medial surface 461 of baffle to have ventilative noise reduction layer (not shown), noise reduction layer.Crankcase 2 is also
Equipped with the side wall 28 opposite with baffle 46, end cap 75 is located at the two opposite sides of motor, 2 side wall of crankcase with 2 side wall 28 of crankcase
28 are equipped with the bearing cave 280 of installation second bearing 72.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, is familiar with this
The technical staff in field should be understood that the present invention including but not limited to attached drawing and the above content described in specific implementation mode.Appoint
The modification for why not deviateing the function and structure principle of the present invention is intended to be included in the range of claims.
Claims (10)
1. a kind of air pressure pump, including crankcase, the crank in crankcase, the first wind that can be rotated under crank handle turns
Fan, cylinder, the piston that can be moved back and forth in cylinder, driving the connecting rod of piston motion, it is characterised in that:The crankcase
Equipped with the first air-flow driven when rotating at least ventilation opening outside crankcase, first fan inside connection crankcase
The crankcase is flowed out through an at least ventilation opening, and flows through the outer surface of the cylinder to accelerate the outer surface of cylinder
Heat dissipation.
2. air pressure pump according to claim 1, it is characterised in that:The crankcase be equipped with connection crankcase inside with
The port of cylinder interior, the connecting rod run through the port, and the second air-flow that first fan drives when rotating is through described logical
Mouth flows out the crankcase and flows into the cylinder interior.
3. air pressure pump according to claim 2, it is characterised in that:Further include cylinder cap, between cylinder cap and cylinder
Valve plate, piston be equipped with first passage, to close and open the air-intake valve plate of first passage, second air-flow enters cylinder
It can enter between piston and valve plate through first passage behind inside.
4. air pressure pump according to claim 2, it is characterised in that:The crankcase is additionally provided with positioned at crank and cylinder
Between roof, the port, ventilation opening extend through the roof.
5. air pressure pump according to claim 4, it is characterised in that:Further include the motor that crank can be driven to rotate and the
One screw, first screw penetrate crank and mutually fix machine shaft with crank, and the crankcase is additionally provided with perforation bent axle
The resigning mouthful passed through inside case and outside crankcase and for the first screw.
6. air pressure pump according to claim 5, it is characterised in that:The crankcase is additionally provided with the bottom opposite with roof
Wall, the resigning mouthful run through bottom wall.
7. air pressure pump according to claim 4, it is characterised in that:The quantity of an at least ventilation opening be it is multiple,
The roof is equipped with the circular bar for separating port and each ventilation opening, and the circular bar surrounds the port.
8. air pressure pump according to claim 7, it is characterised in that:The circular bar is in circular ring shape, and the roof is set
There are the spacer ribs for separating adjacent ventilation opening, each spacer ribs to extend radially outwardly respectively from circular bar.
9. a kind of air pressure pump, including crankcase, the crank in crankcase, the first wind that can be rotated under crank handle turns
Fan, cylinder, the piston that can be moved back and forth in cylinder, driving the connecting rod of piston motion, it is characterised in that:The crankcase
Equipped with at least ventilation opening outside crankcase, the cylinder including at least 1 the outside inside connection crankcase
One cooling fin, the first air-flow that first fan drives when rotating at least ventilation opening described in flow out the crankcase, and
At least one first cooling fin is blowed to accelerate the heat dissipation of the first cooling fin.
10. a kind of air compressor, it is characterised in that:Including according to air pressure pump described in any one of claim 1-9,
Air accumulator, the appendix being communicated between the air pressure pump and air accumulator.
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CN201810356149.1A CN108678929B (en) | 2018-04-19 | 2018-04-19 | Air compression pump and air compressor |
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CN201810356149.1A CN108678929B (en) | 2018-04-19 | 2018-04-19 | Air compression pump and air compressor |
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CN108678929A true CN108678929A (en) | 2018-10-19 |
CN108678929B CN108678929B (en) | 2020-04-17 |
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CN201810356149.1A Active CN108678929B (en) | 2018-04-19 | 2018-04-19 | Air compression pump and air compressor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110173418A (en) * | 2019-01-10 | 2019-08-27 | 苏州欧圣电气股份有限公司 | A kind of air pressure pump and air compressor machine |
CN111720288A (en) * | 2019-03-20 | 2020-09-29 | Tjm产品有限公司 | Air compressor |
CN117307441A (en) * | 2023-11-16 | 2023-12-29 | 广东鑫钻节能科技股份有限公司 | Mobile digital energy air compression station and control system |
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JP2010106819A (en) * | 2008-10-31 | 2010-05-13 | Hitachi Ltd | Reciprocating compressor |
US20150322933A1 (en) * | 2014-05-09 | 2015-11-12 | Westinghouse Air Brake Technologies Corporation | Radially configured oil-free compressor |
CN206111494U (en) * | 2016-08-30 | 2017-04-19 | 浙江永源机电制造有限公司 | Novel air compressor |
CN107795460A (en) * | 2017-09-26 | 2018-03-13 | 台州宝乾机电有限公司 | A kind of dust-proof air channel of air compressor machine |
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US4529365A (en) * | 1980-08-29 | 1985-07-16 | Durr-Dental Gmbh & Co., Kg | Compressor with longitudinally extending cooling fins |
JP2010106819A (en) * | 2008-10-31 | 2010-05-13 | Hitachi Ltd | Reciprocating compressor |
US20150322933A1 (en) * | 2014-05-09 | 2015-11-12 | Westinghouse Air Brake Technologies Corporation | Radially configured oil-free compressor |
CN206111494U (en) * | 2016-08-30 | 2017-04-19 | 浙江永源机电制造有限公司 | Novel air compressor |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110173418A (en) * | 2019-01-10 | 2019-08-27 | 苏州欧圣电气股份有限公司 | A kind of air pressure pump and air compressor machine |
CN111720288A (en) * | 2019-03-20 | 2020-09-29 | Tjm产品有限公司 | Air compressor |
CN111720288B (en) * | 2019-03-20 | 2024-05-14 | Tjm产品有限公司 | Air compressor |
CN117307441A (en) * | 2023-11-16 | 2023-12-29 | 广东鑫钻节能科技股份有限公司 | Mobile digital energy air compression station and control system |
CN117307441B (en) * | 2023-11-16 | 2024-03-12 | 广东鑫钻节能科技股份有限公司 | Mobile digital energy air compression station and control system |
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