CN108194307A - Piston type air compressor - Google Patents
Piston type air compressor Download PDFInfo
- Publication number
- CN108194307A CN108194307A CN201810142070.9A CN201810142070A CN108194307A CN 108194307 A CN108194307 A CN 108194307A CN 201810142070 A CN201810142070 A CN 201810142070A CN 108194307 A CN108194307 A CN 108194307A
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- Prior art keywords
- piston
- air compressor
- type air
- piston type
- cylinder body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/047—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the outer ends of the cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/0404—Details, component parts specially adapted for such pumps
- F04B27/0409—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/0404—Details, component parts specially adapted for such pumps
- F04B27/0451—Particularities relating to the distribution members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
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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
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of piston type air compressors, and including main shaft, driving part, eccentric wheel and multiple piston components, main shaft is rotated about axis under the driving of driving part；Eccentric wheel is sleeved on main shaft, and the axis of eccentric wheel is parallel with the axis of main shaft；Multiple piston components are around the circumferentially disposed of main shaft；Piston component includes cylinder body, piston and connecting rod, and the both ends of cylinder body are respectively equipped with air inlet, gas outlet；Piston is set in cylinder body, and one end of connecting rod is connected with piston, and the other end of connecting rod is connected with eccentric wheel；When eccentric wheel rotates, connecting rod band piston moves back and forth in cylinder body.The piston type air compressor by setting multiple pistons, makes multiple cylinder bodies generate compressed gas in turn, improves the air inlet of piston type air compressor, the effective area of outlet, it is ensured that continuously supplies, gas supply air pressure is steady, and performance is substantially improved.
Description
Technical field
The present invention relates to a kind of piston type air compressors.
Background technology
At present on the market using air compressor on a fuel cell system, mainly using centrifugal and screw rod
Formula.But centrifugal or screw air compressor, relatively inefficient, air mass flow are difficult to improve, and due to using glossy
It is sliding that there is oil leak risk.
The existing air compressor applied to other field, usually single-piston formula.And the sky of traditional single-piston formula
Air compressor efficiency is too low, it is impossible to meet the needs of fuel cell system.
Invention content
The technical problems to be solved by the invention are the effects in order to overcome single-piston formula air compressor of the prior art
Rate is low, cannot meet the defects of the needs of fuel cell system, and provides a kind of piston type air compressor.
The present invention solves above-mentioned technical problem by the following technical programs：
The present invention provides a kind of piston type air compressor, including main shaft, driving part, eccentric wheel and multiple piston groups
Part, the main shaft are rotated about axis under the driving of the driving part；The eccentric wheel is sleeved on the main shaft, the bias
The axis of wheel is parallel with the axis of the main shaft；Multiple piston components are around the circumferentially disposed of the main shaft；The piston
Component includes cylinder body, piston and connecting rod, and the both ends of the cylinder body are respectively equipped with air inlet, gas outlet；The piston is set to
In the cylinder body, one end of the connecting rod is connected with the piston, the other end of the connecting rod and the eccentric wheel phase
Connection；During the eccentric wheel rotation, the connecting rod drives the piston to be moved back and forth in the cylinder body.
In the technical program, by the rotation of eccentric wheel, multiple piston wheel flowings is driven to make, enable multiple cylinder bodies in turn
Compressed gas improves the air inlet of piston type air compressor, the effective area of outlet, it is ensured that continuously supplies, supplies
Air pressure is steady, and performance is substantially improved.
Preferably, the connecting rod is hinged with the piston, the connecting rod of multiple piston components is divided into a master
Connecting rod and multiple from connecting rod, the master link is fixedly connected with the eccentric wheel, described from connecting rod and the bias
Wheel is hinged, and the rotation axis of the connecting rod is parallel with the axis of the eccentric wheel.
In the technical program, by above-mentioned connecting rod and the connection structure of eccentric wheel, it can guarantee that piston type pneumatic compresses
Multiple cylinder bodies of machine outlet in turn, it is ensured that continuously supply.
Preferably, multiple piston components are uniformly distributed around the circumferential direction of the main shaft, the company of multiple piston components
The equal length of extension bar, the connecting rod are uniformly distributed with the end that the eccentric wheel is connect along the circumferential direction of the eccentric wheel.
In the technical program, by the piston component being uniformly arranged, multiple cylinders of piston type air compressor are can guarantee
The gas output of body and interval time are equal.
Preferably, the driving part is motor, the rotation axis of the motor and the main shaft are coaxially connected.
In the technical program, main axis is driven by motor, so as to be acted with movable eccentric wheel.
Preferably, the piston includes retainer, inlet valve, the retainer is equipped with the air inlet through the retainer
The air inlet of the cylinder body, gas outlet are connected by channel, the inlet channel, and the inlet valve is located at the inlet channel
On；The piston to the air inlet of the cylinder body move when, the inlet valve is in the state for opening the inlet channel；It is described
Piston to the gas outlet of the cylinder body move when, the inlet valve is in the state for closing the inlet channel.
In the technical program, inlet valve can be opened in air inlet, and when outlet closes, and by the opening and closing of inlet valve, makes
Piston can compress the air of cylinder body.
Preferably, the piston further includes valve top, (the first back-moving spring, the valve top is mounted on the retainer
On, the valve top is connected with the inlet valve, one end of the (the first back-moving spring and the valve top far from it is described into
One end of valve abuts against, and the other end of the (the first back-moving spring is abutted against with the retainer, the (the first back-moving spring
Always it is in compressive state；The connecting rod is equipped with briquetting, and in the connecting rod rotation process, the briquetting presses the gas
Door top, makes the inlet valve be in the state for opening the inlet channel.
In the technical program, inlet valve can open or close in the rotation of connecting rod, rotate connecting rod same
When can control the opening and closing of inlet valve.
Preferably, the piston includes retainer and multiple idler wheels, multiple idler wheels are set around the circumferential direction of the retainer
It puts, the peripheral surface of the idler wheel is in contact with the inner peripheral surface of the cylinder body, and the rotation axis of the idler wheel is perpendicular to the cylinder body
Axis.
In the technical program, multiple idler wheels are set, piston is enable more easily to be moved in cylinder body, reduce piston with
Frictional force between cylinder body.
Preferably, the piston type air compressor includes the inlet chamber being connected with exterior space, multiple cylinder bodies
Air inlet be connected with the inlet chamber.
In the technical program, extraneous air is by entering back into the air inlet of cylinder body after inlet chamber.
Preferably, the piston type air compressor includes air intake filter, the air intake filter be mounted on it is described into
On the entrance of air cavity.
In the technical program, air filters before being compressed by air intake filter, may filter that the particle in air
Object and various chemical exhausts, it is ensured that is compressed is pure air.
Preferably, the piston type air compressor further includes atomizer, the atomizing nozzle of the atomizer and the air inlet
Chamber is connected.
In the technical program, atomizer sprays the steam of atomization to inlet chamber, remains pre- to the air of inlet chamber
Fixed humidity plays lubricating action to the component in piston type air compressor, avoids the portion in piston type air compressor
The abrasion of part extends the service life of equipment.
Preferably, the piston type air compressor includes inner housing, the cylinder body is mounted on the inner housing, described
The air inlet of cylinder body is set towards the eccentric wheel, and the inner space of the inner housing forms the inlet chamber, the inner housing
On be additionally provided at least one interior air inlet.
In the technical program, external air enters inlet chamber, then enter from the air inlet of cylinder body by interior air inlet
In cylinder body.
Preferably, the piston type air compressor includes the outlet chamber being connected with external equipment, multiple cylinder bodies
Gas outlet be connected with the outlet chamber.
In the technical program, gas outlet of the compressed air through cylinder body enters outlet chamber, then enters outside from outlet chamber and set
In standby.
Preferably, the piston type air compressor includes air filter, it is described go out air filter be mounted on it is described go out
In the outlet of air cavity.
In the technical program, go out the particulate matter that air filter filters out the generation of compressed air inter deterioration, make output
Gas can be directly entered pile, and can extend the pile service life to a certain extent.
Preferably, the piston type air compressor includes inner housing, outer housing, the outer housing is located at the inner housing
Outside, the space between the outer housing, inner housing forms the outlet chamber, and the cylinder body is mounted on the inner housing,
The inner housing is equipped with multiple interior gas outlets, and the interior gas outlet of the inner housing is correspondingly arranged simultaneously with the gas outlet of the cylinder body
It is connected, the interior gas outlet of the inner housing is also connected with the outlet chamber.
In the technical program, compressed air in cylinder body enters outlet chamber by gas outlet, interior gas outlet, then from outlet
Chamber enters in external equipment.
Preferably, the piston type air compressor includes air outlet valve, lead, second back-moving spring, the lead
The inner surface of the outer housing is fixed on, the air outlet valve is mounted on the lead, and the second back-moving spring is sleeved on institute
It states on lead, the both ends of the second back-moving spring abut against respectively with the air outlet valve, outer housing；The air outlet valve is in institute
It states and is moved on lead, the interior gas outlet is made to switch between both states are opened and closed.
In the technical program, air outlet valve is closed in air inlet, is opened in outlet, piston is enable to realize compressed gas
Action.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is：
The piston type air compressor by setting multiple pistons, makes multiple cylinder bodies generate compressed gas in turn, improves
The air inlet of piston type air compressor, the effective area of outlet, it is ensured that continuously supply, gas supply air pressure is steady, and performance is big
Width is promoted.
Description of the drawings
Fig. 1 is the structure diagram of inventive piston formula air compressor.
Fig. 2 is the diagrammatic cross-section of piston type air compressor shown in FIG. 1.
Fig. 3 is the partial enlarged view of piston type air compressor shown in Fig. 2.
Fig. 4 is the piston component of piston type air compressor shown in FIG. 1 and the structure diagram of eccentric wheel.Fig. 5 is Fig. 4
The internal structure chart of shown piston type air compressor.
Fig. 6 is the diagrammatic cross-section of piston type air compressor shown in Fig. 4.
Fig. 7 is the piston of piston type air compressor shown in FIG. 1, the combination diagram of connecting rod.
Fig. 8 is piston shown in Fig. 7, the structure diagram of connecting rod.
Fig. 9 is the partial schematic diagram of piston shown in Fig. 7.
Reference sign
Main shaft 1
Eccentric wheel 2
Piston component 3
Cylinder body 31
Air inlet 311
Gas outlet 312
Piston 32
Retainer 321
Inlet valve 322
Inlet channel 323
Valve top 324
Idler wheel 325
Connecting rod 33
Master link 331
From connecting rod 332
Briquetting 333
Motor 4
Inlet chamber 5
Air intake filter 6
Atomizer 7
Inner housing 8
Interior air inlet 81
Interior gas outlet 82
Outlet chamber 9
Go out air filter 10
Outer housing 20
Air outlet valve 30
Lead 40
Upper cover 50
Upper cover gas outlet 501
Specific embodiment
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
It is an embodiment of inventive piston formula air compressor as shown in Figure 1 to Figure 2.The piston type air compressor packet
Main shaft 1, driving part, eccentric wheel 2 and multiple piston components 3 are included, main shaft 1 is rotated about axis under the driving of driving part；Partially
Heart wheel 2 is sleeved on main shaft 1, and the axis of eccentric wheel 2 is parallel with the axis of main shaft 1；Multiple piston components 3 are around the circumferential direction of main shaft 1
Setting；Piston component 3 includes cylinder body 31, piston 32 and connecting rod 33, and the both ends of cylinder body 31 are respectively equipped with air inlet 311, outlet
Mouth 312；Piston 32 is set in cylinder body 31, and one end of connecting rod 33 is connected with piston 32, the other end of connecting rod 33 with partially
Heart wheel 2 is connected；When eccentric wheel 2 rotates, connecting rod 33 is moved back and forth with piston 32 in cylinder body 31.
The piston type air compressor, there is provided multiple piston components 3.By the rotation of eccentric wheel 2, multiple pistons are driven
32 act in turn, enable multiple 31 alternate compression gases of cylinder body.By the piston type air compressor, make multiple cylinder bodies 31 in turn
Compressed gas is generated, improves the air inlet of piston type air compressor, the effective area of outlet, it is ensured that continuously supply,
Gas supply air pressure is steady, and performance is substantially improved.
As shown in Figures 4 to 6, connecting rod 33 is hinged with piston 32, and it is one that the connecting rod 33 of multiple piston components 3, which is divided,
Master link 331 and multiple from connecting rod 332, master link 331 is fixedly connected with eccentric wheel 2, from connecting rod 332 and eccentric wheel
2 is hinged, and the rotation axis of connecting rod 33 is parallel with the axis of eccentric wheel 2.When eccentric wheel 2 rotates, master link 331 follows bias
Wheel 2 rotates together, and it is multiple from connecting rod 332 to be rotated centered on the articulated shaft hinged with eccentric wheel 2 of connecting rod 332.It is logical
The connection structure of above-mentioned connecting rod 33 and eccentric wheel 2 is crossed, can guarantee multiple cylinder bodies 31 of piston type air compressor outlet in turn,
Ensure continuously to supply.
As shown in Figures 4 to 6, multiple piston components 3 are uniformly distributed around the circumferential direction of main shaft 1, the connection of multiple piston components 3
The equal length of bar 33, connecting rod 33 are uniformly distributed with the end that eccentric wheel 2 is connect along the circumferential direction of eccentric wheel 2.By uniformly setting
The piston component 3 put can guarantee that the gas output of multiple cylinder bodies 31 of piston type air compressor and interval time are equal.
Above-mentioned driving part is motor 4, and the rotation axis and main shaft 1 of motor 4 are coaxially connected.
As shown in Figure 7 to 9, piston 32 includes retainer 321, inlet valve 322, and retainer 321 is equipped with through holding
The air inlet 311 of cylinder body 31, gas outlet 312 are connected by the inlet channel 323 of frame 321, inlet channel 323, inlet valve 322
In on inlet channel 323；Air inlet 311 from piston 32 to cylinder body 31 move when, inlet valve 322 be in open inlet channel 323
State；Gas outlet 312 from piston 32 to cylinder body 31 move when, inlet valve 322 be in close inlet channel 323 state.It is living
Space between plug 32 and the air inlet 311 of cylinder body 31 is cylinder body inlet chamber, between piston 32 and the gas outlet 312 of cylinder body 31
Space is cylinder body outlet chamber.When piston 32 is moved to the air inlet 311 of cylinder body 31, inlet valve 322 is opened, cylinder body inlet chamber
Air is flowed by inlet channel 323 in cylinder body outlet chamber；When piston 32 is moved to the gas outlet 312 of cylinder body 31, air inlet
Door 322 is closed, and the air in cylinder body outlet chamber, which compresses and passes through the gas outlet 312 of cylinder body 31, discharges.
As shown in Figure 7 to 9, piston 32 further includes valve top 324, (the first back-moving spring (not shown), valve top
324 are mounted on retainer 321, and valve top 324 is connected with inlet valve 322, one end and the valve top 324 of (the first back-moving spring
One end far from inlet valve 322 abuts against, and the other end and the retainer 321 of (the first back-moving spring abut against, (the first back-moving spring
Always it is in compressive state；Connecting rod 33 is equipped with briquetting 333, and in 33 rotation process of connecting rod, briquetting 333 presses valve top
324, inlet valve 322 is made to be in the state for opening inlet channel 323.When piston 32 is moved to the air inlet 311 of cylinder body 31, even
Extension bar 33 rotates, and briquetting 333 presses valve top 324, and inlet valve 322 is made to be in the state for opening inlet channel 323；When piston 32
When being moved to the gas outlet 312 of cylinder body 31, connecting rod 33 rotates, and for briquetting 333 far from valve top 324, (the first back-moving spring makes gas
Door top 324 resets, and inlet valve 322 is made to be in the state for closing inlet channel 323.
As shown in Figure 7 to 9, piston 32 further includes multiple idler wheels 325, and multiple idler wheels 325 are set around the circumferential direction of retainer 321
It puts, the peripheral surface of idler wheel 325 is in contact with the inner peripheral surface of cylinder body 31, and the rotation axis of idler wheel 325 is perpendicular to the axis of cylinder body 31.If
Idler wheel 325 is put, piston 32 is allow preferably to be moved in cylinder body 31.
Piston type air compressor includes the inlet chamber 5 being connected with exterior space, and the air inlet 311 of multiple cylinder bodies 31 is equal
It is connected with inlet chamber 5.Wherein, the concrete structure of inlet chamber 5 is as shown in Figure 2.Piston type air compressor includes inner housing 8,
Cylinder body 31 is mounted on inner housing 8, and the air inlet 311 of cylinder body 31 is set towards eccentric wheel 2, and the inner space of inner housing 8 is formed
Inlet chamber 5 is additionally provided at least one interior air inlet 81 on inner housing 8.External air enters inlet chamber by interior air inlet 81
5, then enter in cylinder body 31 from the air inlet 311 of cylinder body 31.
In order to ensure the quality into air, piston type air compressor includes air intake filter 6, and air intake filter 6 is pacified
On the entrance of inlet chamber 5.When multiple interior air inlets 81 on inner housing 8 around inner housing 8 it is circumferentially disposed when, inlet air filtration
The setting of device 6 circularizes, and is sleeved on inner housing 8 and covers multiple interior air inlets 81.Air passes through air intake filter 6 before being compressed
Filtering, may filter that the particulate matter in air and various chemical exhausts, it is ensured that is compressed is pure air.
As shown in Fig. 2, the piston type air compressor further includes atomizer 7, atomizing nozzle and 5 phase of inlet chamber of atomizer 7
Connection.Atomizer 7 sprays the steam of atomization to inlet chamber 5, scheduled humidity is remained to the air of inlet chamber 5, to piston
Component in formula air compressor plays lubricating action, avoids the abrasion of the component in piston type air compressor, extends
The service life of equipment.
As shown in Figure 2 to Figure 3, piston type air compressor includes the outlet chamber 9 being connected with external equipment, multiple cylinder bodies
31 gas outlet 312 is connected with outlet chamber 9.As shown in Figure 2 to Figure 3, outlet chamber 9 be set to inner housing 8, outer housing 20 it
Between, outer housing 20 is located at the outside of inner housing 8, and cylinder body 31 is mounted on inner housing 8, and inner housing 8 is equipped with multiple interior gas outlets
82, interior gas outlet 82 and the gas outlet 312 of cylinder body 31 of inner housing 8 are correspondingly arranged and are connected, the interior gas outlet 82 of inner housing 8
Also it is connected with outlet chamber 9.Compressed air in cylinder body 31 enters outlet chamber 9 by gas outlet 312, interior gas outlet 82, then from
Outlet chamber 9 enters in pile.
As shown in figure 3, the piston type air compressor further includes upper cover 50, upper cover 50 is mounted on inner housing 8, outer housing 20
Between, the space between upper cover 50, inner housing 8, outer housing 20 forms outlet chamber 9, and upper cover 50 is equipped with upper cover gas outlet 501,
Compressed air in outlet chamber 9 enters through upper cover gas outlet 501 in pile.
As shown in figure 3, piston type air compressor includes air filter 10, go out air filter 10 mounted on outlet chamber 9
Outlet on.When outlet chamber 9 is set between inner housing 8, outer housing 20, goes out air filter 10 for annular, be also disposed on interior
Between housing 8, outer housing 20.Go out air filter 10, filter out the particulate matter of compressed air inter deterioration generation, make the gas of output
Body can be directly entered pile, and can extend the pile service life to a certain extent.
(do not show in figure as shown in figure 3, piston type air compressor includes air outlet valve 30, lead 40, second back-moving spring
Go out), lead 40 is fixed on the inner surface of outer housing 20, and air outlet valve 30 is mounted on lead 40, and second back-moving spring is sleeved on
On lead 40, the both ends of second back-moving spring abut against respectively with air outlet valve 30, outer housing 20；Air outlet valve 30 is in lead 40
Upper movement makes interior gas outlet 82 switch between both states are opened and closed.When piston 32 is to the gas outlet 312 of cylinder body 31
When mobile, larger pressure is generated after the air compression in cylinder body outlet chamber, air outlet valve 30 is pushed open, beats interior gas outlet 82
It opens, the air in cylinder body outlet chamber enters in outlet chamber 9.When piston 32 is moved to the air inlet 311 of cylinder body 31, cylinder body outlet
Air in chamber generates negative pressure, and air outlet valve 30 resets under the action of second back-moving spring, interior gas outlet 82 is closed.
Above-mentioned piston type air compressor by setting multiple pistons, makes multiple cylinder bodies generate compressed gas in turn, improves
The air inlet of piston type air compressor, the effective area of outlet, it is ensured that continuously supply, gas supply air pressure is steady, performance
It is substantially improved.
The present invention is not limited to the above-described embodiments, no matter making any variation in its shape or structure, all falls within this hair
Within bright protection domain.Protection scope of the present invention is defined by the appended claims, and those skilled in the art exists
Under the premise of without departing substantially from the principle and substance of the present invention, many changes and modifications may be made, but these
Change and modification each fall within protection scope of the present invention.
Claims (15)
1. a kind of piston type air compressor, which is characterized in that including：
Main shaft and driving part, the main shaft are rotated about axis under the driving of the driving part；
Eccentric wheel, the eccentric wheel are sleeved on the main shaft, and the axis of the eccentric wheel is parallel with the axis of the main shaft；
Multiple piston components, multiple piston components are around the circumferentially disposed of the main shaft；
The piston component includes cylinder body, piston and connecting rod, and the both ends of the cylinder body are respectively equipped with air inlet, gas outlet；Institute
Piston is stated to be set in the cylinder body, one end of the connecting rod is connected with the piston, the other end of the connecting rod with
The eccentric wheel is connected；During the eccentric wheel rotation, the connecting rod drives the piston to be moved back and forth in the cylinder body.
2. piston type air compressor as described in claim 1, it is characterised in that：The connecting rod is mutually cut with scissors with the piston
Connect, the connecting rods of multiple piston components is divided into a master link and multiple from connecting rod, the master link with it is described
Eccentric wheel is fixedly connected, described to be hinged from connecting rod and the eccentric wheel, the rotation axis of the connecting rod and the eccentric wheel
Axis is parallel.
3. piston type air compressor as claimed in claim 1 or 2, it is characterised in that：Multiple piston components are around described
The circumferential direction of main shaft is uniformly distributed, the equal length of the connecting rod of multiple piston components, the connecting rod and the eccentric wheel
The end of connection is uniformly distributed along the circumferential direction of the eccentric wheel.
4. piston type air compressor as described in claim 1, it is characterised in that：The driving part be motor, the electricity
The rotation axis of machine and the main shaft are coaxially connected.
5. piston type air compressor as described in claim 1, it is characterised in that：The piston includes retainer, inlet valve,
The retainer is equipped with the inlet channel through the retainer, and the inlet channel is by the air inlet of the cylinder body, outlet
Mouth is connected, and the inlet valve is located on the inlet channel；Air inlet from the piston to the cylinder body move when, it is described into
Valve is in the state for opening the inlet channel；The piston to the gas outlet of the cylinder body move when, at the inlet valve
In the state for closing the inlet channel.
6. piston type air compressor as claimed in claim 5, it is characterised in that：The piston further includes valve top, first
Resetting spring, the valve top are mounted on the retainer, and the valve top is connected with the inlet valve, and described first is multiple
Position spring one end abutted against with the described one end of valve top far from the inlet valve, the other end of the (the first back-moving spring and
The retainer abuts against, and the (the first back-moving spring is in compressive state always；The connecting rod is equipped with briquetting, the company
In extension bar rotation process, the briquetting presses the valve top, and the inlet valve is made to be in the state for opening the inlet channel.
7. piston type air compressor as described in claim 1, it is characterised in that：The piston includes retainer and multiple rollings
Wheel, multiple idler wheels connect around the circumferentially disposed of the retainer, the peripheral surface of the idler wheel with the inner peripheral surface of the cylinder body
It touches, the rotation axis of the idler wheel is perpendicular to the axis of the cylinder body.
8. piston type air compressor as described in claim 1, it is characterised in that：The piston type air compressor include with
The inlet chamber that exterior space is connected, the air inlet of multiple cylinder bodies are connected with the inlet chamber.
9. piston type air compressor as claimed in claim 8, it is characterised in that：The piston type air compressor include into
Air filter, the air intake filter are mounted on the entrance of the inlet chamber.
10. piston type air compressor as claimed in claim 8, it is characterised in that：The piston type air compressor also wraps
Atomizer is included, the atomizing nozzle of the atomizer is connected with the inlet chamber.
11. piston type air compressor as claimed in claim 8, it is characterised in that：The piston type air compressor includes
Inner housing, the cylinder body are mounted on the inner housing, and the air inlet of the cylinder body is set towards the eccentric wheel, the inner casing
The inner space of body forms the inlet chamber, and at least one interior air inlet is additionally provided on the inner housing.
12. piston type air compressor as described in claim 1, it is characterised in that：The piston type air compressor includes
The outlet chamber being connected with external equipment, the gas outlet of multiple cylinder bodies are connected with the outlet chamber.
13. piston type air compressor as claimed in claim 12, it is characterised in that：The piston type air compressor includes
Go out air filter, it is described go out air filter be mounted in the outlet of the outlet chamber.
14. piston type air compressor as claimed in claim 12, it is characterised in that：The piston type air compressor includes
Inner housing, outer housing, the outer housing are located at the outside of the inner housing, and the space between the outer housing, inner housing is formed
The outlet chamber, the cylinder body are mounted on the inner housing, and the inner housing is equipped with multiple interior gas outlets, the inner housing
Interior gas outlet be correspondingly arranged and be connected with the gas outlet of the cylinder body, the interior gas outlet of the inner housing also with the outlet
Chamber is connected.
15. piston type air compressor as claimed in claim 14, it is characterised in that：The piston type air compressor includes
Air outlet valve, lead, second back-moving spring, the lead are fixed on the inner surface of the outer housing, the air outlet valve installation
On the lead, the second back-moving spring is sleeved on the lead, the both ends of the second back-moving spring respectively with
The air outlet valve, outer housing abut against；The air outlet valve moves on the lead, and the interior gas outlet is made to beat on and off
It closes between both states and switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142070.9A CN108194307A (en) | 2018-02-11 | 2018-02-11 | Piston type air compressor |
Applications Claiming Priority (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180284A (en) * | 2018-02-11 | 2018-06-19 | 泓道（上海）科技有限公司 | Piston component and the cylinder for including it |
| CN108194633A (en) * | 2018-02-11 | 2018-06-22 | 泓道（上海）科技有限公司 | Piston and the cylinder for including it |
| CN108953093A (en) * | 2018-08-15 | 2018-12-07 | 芜湖薰衣草知识产权运营有限公司 | A kind of star-like air compressor machine |
| CN111271245A (en) * | 2020-02-10 | 2020-06-12 | 嘉兴学院 | Piston type air compressor |
| CN112228302A (en) * | 2020-09-25 | 2021-01-15 | 上海华熵能源科技有限公司 | Reactant supply device for fuel cell |
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| JP2012251455A (en) * | 2011-06-01 | 2012-12-20 | Kps Kogyo Kk | Compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108180284A (en) * | 2018-02-11 | 2018-06-19 | 泓道（上海）科技有限公司 | Piston component and the cylinder for including it |
| CN108194633A (en) * | 2018-02-11 | 2018-06-22 | 泓道（上海）科技有限公司 | Piston and the cylinder for including it |
| CN108953093A (en) * | 2018-08-15 | 2018-12-07 | 芜湖薰衣草知识产权运营有限公司 | A kind of star-like air compressor machine |
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| CN111271245A (en) * | 2020-02-10 | 2020-06-12 | 嘉兴学院 | Piston type air compressor |
| CN112228302A (en) * | 2020-09-25 | 2021-01-15 | 上海华熵能源科技有限公司 | Reactant supply device for fuel cell |
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