CN108119346A - Low-noise air pump - Google Patents
Low-noise air pump Download PDFInfo
- Publication number
- CN108119346A CN108119346A CN201711377155.7A CN201711377155A CN108119346A CN 108119346 A CN108119346 A CN 108119346A CN 201711377155 A CN201711377155 A CN 201711377155A CN 108119346 A CN108119346 A CN 108119346A
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- China
- Prior art keywords
- air
- pump
- screw hole
- room
- motor base
- Prior art date
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- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims description 47
- 239000010985 leather Substances 0.000 claims description 32
- 239000011148 porous material Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 92
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 11
- 230000000116 mitigating effect Effects 0.000 abstract description 9
- 238000000605 extraction Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
-
- 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
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention discloses a kind of low-noise air pump；Including air pump body, air pump body includes pump head lid, and pump head lid bottom surface is formed with discouraged room, and pump head covers end face equipped with outlet head, further includes air-flow buffer device；Air-flow buffer device includes buffer cover；Buffer cover sealing is placed on pump head and covers end face；Buffer cover upper surface is provided with the via passed through suitable for outlet head；Buffer cover bottom surface is formed with air-flow buffer room；Pump head covers end face and is provided with so that the gas communication hole that room is communicated with air-flow buffer room that loses heart.Effect：A room gas part of losing heart drains into air-flow buffer room by gas communication hole, make it possible to the instant impact that effective mitigation of gases is discharged at outlet head, make it possible to effectively reduce noise caused by gas outflow impact force at outlet head, so that playing two level noise reduction, air-flow buffer indoor gas is back to discouraged room, then when being flowed out through outlet head, it makes it possible to greatly increase gas stream and goes out stroke, it makes it possible to further reduce noise, and then, excellent noise reduction effect of the present invention.
Description
Technical field
The present invention relates to pump housing technical fields, specifically, are related to a kind of low-noise air pump.
Background technology
Air pump (q ì beng), air pump are " air pump ", exclude air from an enclosure space or add from enclosure space
Add a kind of device of air.
Air pump is broadly divided into three kinds of electric air pump, hand air pump and foot-propelled air pump.Electric air pump, using electric power as power
A kind of air pump does not stop compressed air by electric power, generates air pressure, its main application in pneumatic gluing and automobile inflating etc., and its
Compared with hand air pump and foot-propelled air pump, using more commonly.
The electric air pump generally used in the prior art, such as the electric air pump for breast pump, although using more general
Time, but it when specifically used, when especially gas flows out, at the gas outlet of air pump cover or outlet head, then there are larger
Noise so that form noise pollution, and cause the service life for influencing corresponding electric air pump and influence user's mood.
Thereby, son has much room for improvement equipped with technology.
The content of the invention
A kind of low-noise air pump that it is an object of the invention to overcome the deficiency of the above-mentioned prior art and provide.
Technical solution is used by the present invention solves prior art problem：A kind of low-noise air pump, including air pump body,
The air pump body includes a pump head lid, and the bottom surface of the pump head lid is formed with a discouraged room, the upper surface of the pump head lid
Middle part is vertically equipped with an outlet head, further includes an air-flow buffer device；
Wherein, the air-flow buffer device includes buffer cover；The pump head that is covered on of the buffer cover sealing covers end
Face；The via passed through suitable for the outlet head is offered in the middle part of the buffer cover upper surface；The buffer cover bottom surface is formed with
One air-flow buffer room；The pump head covers end face and offers so that the gas that the discouraged room connects with the air-flow buffer room
Recirculation hole.
Above technical scheme is further elaborated below：
Preferably, the air-flow buffer device further includes a sealing ring；It is downwardly projected and sets in the middle part of the buffer cover bottom surface
There is a circle convex rank, be formed as the air-flow buffer room between the convex rank inner wall and buffer cover inner top surface middle part；It is described close
Seal is arranged between the pump head lid and the buffer cover, and is covered and be fixed in outside the convex rank.
Preferably, the thickness of the sealing ring is slightly larger than the thickness of the convex rank.
Preferably, the upper surface periphery of the buffer cover uniformly offers multiple screw hole A downwards, the pump head lid it is upper
End face uniformly offers downwards multiple screw hole Bs opposite with corresponding screw hole location A；The buffer cover is by screwing in the screw hole
Long screw in the A and screw hole B opposite with its position is mutually fixed with the pump head lid forms one.
Preferably, the air pump body further includes：
Motor；A rotation axis is equipped at the top of the motor upwards；
Motor base；The motor base is fixed at the top of the motor, and offered in the middle part of the motor base inner top surface one with
The shaft hole for passing through the rotation axis；
Membrane compresses component；The membrane compresses component is arranged at the top of the motor base, and between the motor base
An inlet plenum is limited, the motor base is externally provided with an air inlet head being connected with the inlet plenum；
Eccentric drive component；The eccentric drive component is arranged in the motor base, and be connected to the rotation axis with
Between the membrane compresses component；
Pump head；The pump head is arranged at the top of the membrane compresses component, and is limited between the membrane compresses component
Go out the pump chamber of an inflatable/compression；And it is tightly connected between the bottom surface of the upper surface of the pump head and the pump head lid.
Preferably, the membrane compresses component includes：
Membrane seat；The membrane seat is arranged on the motor base, and the air inlet is limited between the motor base
Room；
Membrane；The membrane is arranged on the membrane seat, and the membrane has at least four towards the motor base
The concave leather cup in direction, at least four leather cups are around the circumferentially-spaced and uniformly distributed of the rotation axis, each leather cup
A pump chamber is limited between the pump head, and the bottom wall of each leather cup is equipped with a valve block, each valve block
In the leather cup for allowing the indoor air flow direction correspondence position of the air inlet；
The eccentric drive component is connected with the leather cup, the leather cup under the driving of the motor, to be driven to be transported
It moves so that pump chamber expansion or compression.
Preferably, the eccentric drive component includes：
Eccentric wheel；The eccentric wheel is installed in the rotation axis of the motor；
Swing span；The periphery of the swing span has at least four around the circumferentially-spaced and uniformly distributed of the rotation axis
Connecting portion；At least four connecting portion correspondences are connected at least four leather cups；Each connecting portion is respectively provided with a company
Lead to the intercommunicating pore of the inlet plenum and the pump chamber；At least four valve blocks correspond at least four intercommunicating pores of closing, and
Pressure differential between the inlet plenum and the pump chamber opens the intercommunicating pore of correspondence position when being more than the first preset value；
It tilts pretty；It is described to tilt pretty be connected between the eccentric wheel and swing span middle part.
Preferably, the pump head includes：
Valve plate；The valve plate is arranged on the membrane, and the upper surface of the valve plate at least offer four groups with it is corresponding
The opposite gas vent in leather cup position；Gas vent described in every group is at least provided with three, and the middle part of gas vent described in every group is in described
A jack is offered on valve plate downwards；
Umbrella valve；For the umbrella valve at least provided with four, at least four umbrella valve correspondences are solidly plugged at least four institutes
It states in jack, so that corresponding close gas vent at least described in four groups, and the pressure differential between the pump chamber and the discouraged room
The gas vent of correspondence position is opened during more than the second preset value, so that room of losing heart described in the indoor air flow direction of pump.
Preferably, the upper surface of the pump head lid at least open up there are four at least described in four groups be vented hole site it is opposite
The gas communication hole.
Preferably, the upper surface periphery of the valve plate uniformly offers multiple screw holes opposite with corresponding screw hole B location
C；The upper surface periphery of the membrane seat offers multiple screw hole Ds opposite with corresponding screw hole location of C；The upper end of the motor base
Face periphery uniformly offers multiple screw hole Es opposite with corresponding screw hole D positions downwards；The buffer cover is by screwing in the spiral shell
The long screw in hole A and the screw hole B opposite with its position, screw hole C, screw hole D and screw hole E mutually fixes shape with the motor base
Integrally；
The upper end of the motor offers location hole and screw hole F downwards；The bottom surface of the motor base is installed with and it
The integrally formed positioning pin for being suitable for being inserted to the location hole；The inner bottom surface of the motor base is installed with to screw in the screw hole
The clamping screw of F；When the positioning pin is inserted to and screws in the screw hole F in the location hole and the clamping screw, the horse
It is mutually fixed with the motor up to seat and forms one.
The beneficial effects of the invention are as follows：
One, a kind of low-noise air pump provided by the present invention, in the specific implementation, on the basis of traditional air pump,
The air-flow buffer device with two level decrease of noise functions is had additional, the buffer cover bottom surface of the air-flow buffer device is formed with
One air-flow buffer room；The pump head covers end face and offers discouraged room and the air-flow buffer so that the pump head lid bottom surface
The gas communication hole that the air-flow buffer room of the buffer cover bottom surface of device connects, in this way, when using the present invention, on the one hand,
The outlet head that a gas part for the discouraged room covers end face through the pump head is discharged, and another part then passes through the gas stream
Through hole drains into the air-flow buffer room so that the instant impact that the effective mitigation of gases of energy is discharged at the outlet head, after
And make it possible to effectively reduce noise caused by gas outflow impact force at the outlet head so that play two level noise reduction effect
Fruit, on the other hand, the indoor gas of air-flow buffer can be back to institute again after storage is full by the gas communication hole
State discouraged room so that the discouraged indoor gas can be resisted from reverse direction and is flowed out towards the outlet head so that can be further
The instant impact that mitigation of gases is discharged at the outlet head then makes it possible to further reduce gas at the outlet head
Noise caused by impact force is flowed out, also, the indoor gas backstreaming of the air-flow buffer is to the discouraged room, then gone out described in passing through
When gas head flows out so that can greatly increase gas stream and go out stroke so that energy further mitigation of gases is at the outlet head
The instant impact of discharge then makes it possible to further reduce and make an uproar at the outlet head caused by gas outflow impact force
Sound, and then, excellent noise reduction effect of the present invention can substantially reduce noise pollution so that not influence service life of the present invention so that use
Effect is good.
Description of the drawings
Fig. 1 is the overall structure diagram of low-noise air pump of the present invention；
Fig. 2 is the exploded view one between the air-flow buffer device and the air pump body in the embodiment of the present invention；
Fig. 3 is the exploded view two between the air-flow buffer device and the air pump body in the embodiment of the present invention；
Fig. 4 is the exploded view one of the air pump body in the embodiment of the present invention；
Fig. 5 is the exploded view two of the air pump body in the embodiment of the present invention；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Drawing reference numeral：
Low-noise air pump 100；
Air pump body 10；
Pump head lid 101；
Discouraged room 1011；Outlet first 1012；Gas communication hole 1013；Screw hole B1014；
Motor 102；
Rotation axis 1021；Location hole 1022；Screw hole F1023；Fixing and mounting bracket 1024；
Motor base 103；
Shaft hole 1031；Inlet plenum 1032；Air inlet head 1033；Screw hole E1034；Positioning pin 1035；Clamping screw 1036；
Membrane compresses component 104；
Membrane seat 1041；Screw hole D10411；Membrane 1042；Leather cup 10421；Valve block 10422；
Eccentric drive component 105；
Eccentric wheel 1051；Swing span 1052；Connecting portion 1053；Intercommunicating pore 10531；Tilt pretty 1054；
Pump head 106；
Valve plate 1061；Gas vent 10611；Jack 10612；Screw hole C10613；Umbrella valve 1062；
Pump chamber 107；
Air-flow buffer device 20；
Buffer cover 201；
Via 2011；Air-flow buffer room 2012；Convex rank 2013；Screw hole A2014；
Sealing ring 202；
Specific embodiment
Below with reference to the drawings and the specific embodiments technical solution that the present invention will be described in detail, to become apparent from, intuitively
Understand the invention essence of the present invention.
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5；
A kind of low-noise air pump 100 provided by the present invention, including air pump body 10, the air pump body 10 includes a pump
Skull 101, the bottom surface of the pump head lid 101 are formed with a discouraged room 1011, and the upper surface middle part of the pump head lid 101 is vertical
Equipped with an outlet first 1012.
The improvement of the present invention is, further includes an air-flow buffer device 20；
Wherein, the air-flow buffer device 20 includes buffer cover 201；What the buffer cover 201 sealed is covered on the pump
101 upper surface of skull；The via 2011 passed through suitable for the outlet first 1012 is offered in the middle part of 201 upper surface of buffer cover；
201 bottom surface of buffer cover is formed with an air-flow buffer room 2012；101 upper surface of pump head lid is offered so that described let out
The gas communication hole 1013 that gas chamber 1011 connects with the air-flow buffer room 2012.
Based on described above, it is to be understood that a kind of low-noise air pump 100 provided by the present invention is being embodied
When, on the basis of traditional air pump, the air-flow buffer device 20 with two level decrease of noise functions is had additional, the air-flow delays
201 bottom surface of buffer cover of flushing device 20 is formed with an air-flow buffer room 2012；101 upper surface of pump head lid offer so that
The discouraged room 1011 of 101 bottom surface of pump head lid and the air-flow of 201 bottom surface of buffer cover of the air-flow buffer device 20 delay
Rush the gas communication hole 1013 that room 2012 connects.
In this way, when using the present invention：
On the one hand, outlet first 1012 row of the gas part for the discouraged room 1011 through 101 upper surface of pump head lid
Go out, another part then drains into the air-flow buffer room 2012 by the gas communication hole 1013 so that can effectively slow down gas
The instant impact that body is discharged at the outlet first 1012 then makes it possible to effectively reduce gas at the outlet first 1012
Flow out noise caused by impact force so that play two level noise reduction.
On the other hand, the gas in the air-flow buffer room 2012 can pass through the gas communication hole after storage is full
1013 are back to the discouraged room 1011 again so that can be resisted from reverse direction in the discouraged room 1011 gas towards it is described go out
Gas first 1012 flows out so that the energy instant impact that further mitigation of gases is discharged at the outlet first 1012 then causes
Noise caused by gas outflow impact force at the outlet first 1012 can further be reduced.
Also, the gas backstreaming in the air-flow buffer room 2012 is to the discouraged room 1011, then through the outlet head
During 1012 outflow so that can greatly increase gas stream and go out stroke so that can further mitigation of gases from the outlet head
The instant impact discharged at 1012 then makes it possible to further reduce gas at the outlet first 1012 and flows out impact force
Caused noise.
And then excellent noise reduction effect of the present invention, noise pollution can be substantially reduced so that do not influence service life of the present invention, make
It is good to obtain using effect.
It should be noted that in the technical program, the air-flow buffer device 20 further includes a sealing ring 202；It is described
Be downwardly projected in the middle part of 201 bottom surface of buffer cover equipped with a circle convex rank 2013,2013 inner wall of convex rank in the buffer cover 201
Be formed as the air-flow buffer room 2012 between in the middle part of top surface；The sealing ring 202 is arranged at the pump head lid 101 and delays with described
It rushes between lid 201, and covers and be fixed in outside the convex rank 2013.
Preferably, the thickness of the sealing ring 202 is slightly larger than the thickness of the convex rank 2013.
Also, in the specific implementation, the middle part of the inner top surface of the buffer cover 201 is installed with around the via page 2011
One sealing ring 202.
In this way, i.e. so that 2012 good airproof performance of air-flow buffer room so that anti-gas-leak effect is good.
It is emphasized that in the specific implementation, the upper surface periphery of the buffer cover 201 uniformly offers downwards more
A screw hole A2014, the upper end of the pump head lid 101 uniformly offer multiple opposite with corresponding screw hole A2014 positions downwards
Screw hole B1014；The buffer cover 201 is by screwing in the screw hole A2014 and screw hole B1014 opposite with its position
Long screw fix to form one with 101 phase of pump head lid.
In this way, so that stationarity is good between the buffer cover 201 and the pump head lid 101, will not loosen.
Also, in the specific implementation, the air pump body 10 of the invention further includes：
Motor 102；102 top of motor is equipped with a rotation axis 1021 upwards；
Motor base 103；The motor base 103 is fixed on 102 top of motor, and in 103 inner top surface of the motor base
Portion offers one so that the shaft hole 1031 that the rotation axis 1021 passes through；
Membrane compresses component 104；The membrane compresses component 104 is arranged at 103 top of the motor base, and with the horse
Up to limiting an inlet plenum 1032 between seat 103, the motor base 103 be externally provided with one be connected with the inlet plenum 1032 into
Gas first 1033；
Eccentric drive component 105；The eccentric drive component 105 is arranged in the motor base 103, and is connected to described
Between rotation axis 1021 and the membrane compresses component 104；
Pump head 106；The pump head 106 is arranged at 104 top of the membrane compresses component, and with the membrane compresses component
The pump chamber 107 of an inflatable/compression is limited between 104；And under the upper surface of the pump head 106 and the pump head lid 101
It is tightly connected between bottom surface.
In this way, when using the present invention, so that the air inlet head 1033, which is connected to one, treats air extraction space.
When the motor 102 works, the motor 102 can drive the eccentric drive component 105 to swing, described inclined
Heart drive component 105 i.e. the membrane compresses component 104 can be driven to move, then so that the pump chamber 107 can alternating expansion and
Compression.
When the pump chamber 107 expands, gas in the air extraction space can through the air inlet head 1033 into it is described into
Gas chamber 1032, the gas in the inlet plenum 1032 can be then inhaled into the pump chamber 107；When the pump chamber 107 compresses, institute
The discouraged room 1011 can be then extruded to by stating the gas in pump chamber 107, then through described in being connected with the discouraged room 1011
Outlet first 1012 is discharged.
Treat that air extraction space vacuumizes described in realizing as a result,.
It should be noted that in the present embodiment, the membrane compresses component 104 includes：
Membrane seat 1041；The membrane seat 1041 is arranged on the motor base 103, and between the motor base 103
Limit the inlet plenum 1032；
Preferably, the motor base 103 is hollow structure, is arranged in the membrane seat 1041 on the motor base 103
When lid close hollow structure the motor base 103, so as to be formed as the inlet plenum in the motor base 103 of hollow structure
1032；
Membrane 1042；The membrane 1042 is arranged on the membrane seat 1041, and the membrane 1042 has at least four
It is a towards the concave leather cup 10421 in 103 direction of motor base, at least four leather cups 10421 are around the rotation axis 1021
It is circumferentially-spaced and uniformly distributed, a pump chamber 107 is each limited between the leather cup 10421 and the pump head 106, and
The bottom wall of each leather cup 10421 is equipped with a valve block 10422, and each valve block 10422 allows the inlet plenum 1032
In the leather cup 10421 of interior air flow direction correspondence position；
In short, each valve block 10422 only allow air-flow from the inlet plenum 1032 flow to the pump chamber 107 without
Air-flow is allowed to flow to the inlet plenum 1032 from the pump chamber 107, i.e., it plays the role of one-way exhaust valve.
So as to which when the pump chamber 107 expands, the gas in the air extraction space can enter institute through the air inlet head 1033
State inlet plenum 1032, the gas in the inlet plenum 1032 can be then inhaled into the pump chamber 107, the gas in the pump chamber 107
Body then cannot reversely flow into the inlet plenum 1032；When the pump chamber 107 compresses, gas in the pump chamber 107 then can be by
It squeezes out to the discouraged room 1011, then the outlet first 1012 through being connected with the discouraged room 1011 is discharged, without anti-
To the inlet plenum 1032 is flowed into, in this way, i.e. so that use reliability of the present invention is strong.
Preferably, the eccentric drive component 105 is connected with the leather cup 10421, in the driving of the motor 102
Under, the leather cup 10421 is driven to move so that the pump chamber 107 is expanded or compressed.
And it is preferred, in the present embodiment, the eccentric drive component 105 includes：
Eccentric wheel 1051；The eccentric wheel 1051 is installed in the rotation axis 1021 of the motor 102；
Swing span 1052；The periphery of the swing span 1052 has at least four around the circumferentially-spaced of the rotation axis 1021
And uniformly distributed connecting portion 1053；At least four correspondences of connecting portion 1053 are connected at least four leather cups 10421；
Each connecting portion 1053 is respectively provided with the intercommunicating pore 10531 of the connection inlet plenum 1032 and the pump chamber 107；At least four
A valve block 10422 corresponds at least four intercommunicating pores 10531 of closing, and in the inlet plenum 1032 and the pump chamber
Pressure differential between 107 opens the intercommunicating pore 10531 of correspondence position when being more than the first preset value；
Tilt pretty 1054；The inclination pretty 1054 is connected to the eccentric wheel 1051 and 1052 middle part of swing span
Between.
Also, in the technical program, the pump head 106 includes：
Valve plate 1061；The valve plate 1061 is arranged on the membrane 1042, and the upper surface of the valve plate 1061 is at least
Offering four groups opposite with corresponding 10421 position of leather cup has multiple exhaust so as to play the gas vent 10611 of noise reduction；
Gas vent 10611 described in every group is at least provided with three, and the middle part of gas vent 10611 described in every group is in equal on the valve plate 1061
Offer a jack 10612 downwards；
Umbrella valve 1062；At least provided with four, at least four umbrella valves 1062 correspond to be inserted admittedly the umbrella valve 1062
In at least four jacks 10612, gas vent 10611 at least described in four groups is closed so as to correspond to, and in the pump chamber 107
Pressure differential between the discouraged room 1011 opens the gas vent 10611 of correspondence position when being more than the second preset value, with
Make room 1011 of losing heart described in the air flow direction in the pump chamber 107.
, can be clear and definite based on described above, treating the substantially step that air extraction space vacuumized using the present invention is：
First, when using the present invention, so that the air inlet head 1033, which is connected to one, treats air extraction space.
Secondly, the motor 102 is started, so that the rotation axis 1021 of the motor 102 drives the eccentric wheel 1051 to revolve
Turn, the eccentric wheel 1051 drives pretty 1054 rotation of the inclination, described to tilt pretty 1054 because being obliquely installed so as to drive
1052 rotary oscillation of swing span, then so that the swing span 1052 drives the leather cup 10421 to expand or compress；
Again, when the leather cup 10421 is moved to so that its internal pump chamber 107 expands, the gas in the air extraction space
Know from experience and enter the inlet plenum 1032, the pressure between the inlet plenum 1032 and the pump chamber 107 through the air inlet head 1033
When force difference is more than the first preset value, the valve block 10422 is opened, and the gas in the inlet plenum 1032 then can be successively through the company
Intercommunicating pore 10531 and the valve block 10422 in socket part 1053 are inhaled into the pump chamber 107；
Furthermore when the leather cup 10421 is moved to so that its internal pump chamber 107 is compressed, the gas in the pump chamber 107
The umbrella valve 1062 can be then impacted, it is default that the pressure differential between the pump chamber 107 and the discouraged room 1011 is more than second
During value, the umbrella valve 1062 then struts and opens the gas vent 10611 so that described in the gas warp in the pump chamber 107
Gas vent 10611 is extruded to the discouraged room 1011；
Furthermore outlet first 1012 of the gas part in the discouraged room 1011 then through 101 upper surface of pump head lid
Discharge, another part then drain into the buffering of the progress of air-flow buffer room 2012 air-flow by the gas communication hole 1013.
Finally, the full gas of 2012 memory storage of air-flow buffer room then can ceaselessly be back to the discouraged room again
1011, then flowed out through the outlet first 1012.
In this way, treat that air extraction space vacuumizes described in realizing.
And in the process, on the one hand, the connecting portion 1053, leather cup 10421 and the gas vent 10611 are then corresponding
At least provided with four units so that vacuum pumping rate of the present invention is fast, efficient.
On the other hand, because the present invention is on the basis of traditional air pump, the gas with two level decrease of noise functions is had additional
Buffer unit 20 is flowed, outlet first 1012 of the gas part for the discouraged room 1011 through 101 upper surface of pump head lid is discharged,
Another part drains into the air-flow buffer room 2012 by the gas communication hole 1013 so that can effective mitigation of gases from institute
The instant impact discharged at outlet first 1012 is stated, then makes it possible to effectively reduce gas outflow punching at the outlet first 1012
Hit noise caused by power so that play two level noise reduction.
Also, the gas in the air-flow buffer room 2012 can pass through the gas communication hole 1013 after storage is full
The discouraged room 1011 is back to again so that gas can be resisted in the discouraged room 1011 from reverse direction towards the outlet head
1012 outflows so that can the further instant impact discharged at the outlet first 1012 of mitigation of gases, then make it possible into
Noise caused by gas outflow impact force at the reduction outlet first 1012 of one step.
At the same time, the gas backstreaming in the air-flow buffer room 2012 is to the discouraged room 1011, then through the outlet
During first 1012 outflow so that can greatly increase gas stream and go out stroke so that can further mitigation of gases from the outlet head
The instant impact discharged at 1012 then makes it possible to further reduce gas at the outlet first 1012 and flows out impact force
Caused noise.
And then excellent noise reduction effect of the present invention, it can greatly reduce noise dirt caused by exhaust at the outlet first 1012
Dye so that do not influence service life of the present invention and user's mood so that using effect is good.
You need to add is that in a preferred embodiment, the upper surface of the pump head lid 101 at least open up there are four at least
The opposite gas communication hole 1013 in 10611 position of gas vent described in four groups.
In this way, then so that gas velocity of liquid assets is fast, return-gas-flow velocity is fast so that while can reduce noise pollution,
Quickly gas can be discharged again.
Supplement is needed further exist for, in a preferred embodiment, the upper surface periphery of the valve plate 1061 uniformly opens up
There are multiple screw hole C10613s opposite with corresponding screw hole B1014 positions；The upper surface periphery of the membrane seat 1041 offers more
A screw hole D10411 opposite with corresponding screw hole C10613 positions；It uniformly opens downwards the upper surface periphery of the motor base 103
Equipped with multiple screw hole E1034s opposite with corresponding screw hole D10411 positions；The buffer cover 201 is by screwing in the screw hole
The long screw in A2014 and the screw hole B1014 opposite with its position, screw hole C10613, screw hole D10411 and screw hole E1034
It fixes to form one with 103 phase of motor base；
The upper end of the motor 102 offers location hole 1022 and screw hole F1023 downwards；Under the motor base 103
Bottom surface is installed with and its integrally formed positioning pin 1035 for being suitable for being inserted to the location hole 1022；The motor base 103 it is interior
Bottom surface is installed with to screw in the clamping screw 1036 of the screw hole F1023；It is inserted in the positioning pin 1035 in the positioning
When hole 1022 and the clamping screw 1036 screw in the screw hole F1023, the motor base 103 is fixed with 102 phase of motor
Form one.
In this way, then causing good integrity of the present invention, and cause easy to assembly and convenient disassembly of the invention.
Further you need to add is that, in a preferred embodiment, the bottom of the motor 102 be provided with its one into
The fixing and mounting bracket 1024 of type, the fixing and mounting bracket 1024 are equipped with fixed installation holes, so as to consolidate convenient for of the invention whole
It is fixed.
Other embodiment etc., here, not illustrating one by one.
In conclusion overall structure of the present invention is simple, easily implement, easy to operate, highly practical, specificity is strong, manufactures cost
Low, excellent noise reduction effect, using effect is good, in the improvement of structure and the improvement of technology, need not increase too many cost, make
It is of the invention necessarily have good market popularization value, the present invention can very it is welcome, can effectively be popularized.
The foregoing is merely the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, every
The equivalent structure made using description of the invention and accompanying drawing content or the conversion of equivalent process, are directly or indirectly used in it
His relevant technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of low-noise air pump, including air pump body, the air pump body includes a pump head lid, the bottom surface of the pump head lid
A discouraged room is formed with, is vertically equipped with an outlet head in the middle part of the upper surface of the pump head lid, which is characterized in that further include an air-flow
Buffer unit；
Wherein, the air-flow buffer device includes buffer cover；The pump head that is covered on of the buffer cover sealing covers end face；Institute
It states and offers the via passed through suitable for the outlet head in the middle part of buffer cover upper surface；The buffer cover bottom surface is formed with an air-flow
Surge chamber；The pump head covers end face and offers so that the discouraged room is circulated with the gas that the air-flow buffer room connects
Hole.
2. low-noise air pump according to claim 1, which is characterized in that the air-flow buffer device further includes a sealing
Circle；Be downwardly projected in the middle part of the buffer cover bottom surface equipped with a circle convex rank, the convex rank inner wall in the buffer cover inner top surface
Be formed as the air-flow buffer room between portion；The sealing ring is arranged between the pump head lid and the buffer cover, and is covered solid
In outside the convex rank.
3. low-noise air pump according to claim 2, which is characterized in that the thickness of the sealing ring is slightly larger than the convex rank
Thickness.
4. according to claim 1-3 any one of them low-noise air pumps, which is characterized in that the upper surface periphery of the buffer cover
Uniformly offer multiple screw hole A downwards, the upper end of the pump head lid uniformly offer downwards it is multiple with corresponding screw hole A
Put opposite screw hole B；The buffer cover is by screwing in the long screw in the screw hole A and screw hole B opposite with its position
It is mutually fixed with the pump head lid and forms one.
5. low-noise air pump according to claim 4, which is characterized in that the air pump body further includes：
Motor；A rotation axis is equipped at the top of the motor upwards；
Motor base；The motor base is fixed at the top of the motor, and offers one so that institute in the middle part of the motor base inner top surface
State the shaft hole that rotation axis passes through；
Membrane compresses component；The membrane compresses component is arranged at the top of the motor base, and is limited between the motor base
Go out an inlet plenum, the motor base is externally provided with an air inlet head being connected with the inlet plenum；
Eccentric drive component；The eccentric drive component is arranged in the motor base, and be connected to the rotation axis with it is described
Between membrane compresses component；
Pump head；The pump head is arranged at the top of the membrane compresses component, and limits one between the membrane compresses component
The pump chamber of inflatable/compression；And it is tightly connected between the bottom surface of the upper surface of the pump head and the pump head lid.
6. low-noise air pump according to claim 5, which is characterized in that the membrane compresses component includes：
Membrane seat；The membrane seat is arranged on the motor base, and the inlet plenum is limited between the motor base；
Membrane；The membrane is arranged on the membrane seat, and the membrane has at least four towards the motor base direction
Concave leather cup, at least four leather cups are around the circumferentially-spaced and uniformly distributed of the rotation axis, each leather cup and institute
It states and a pump chamber is limited between pump head, and the bottom wall of each leather cup is equipped with a valve block, each valve block is allowed
In the leather cup of the indoor air flow direction correspondence position of air inlet；
The eccentric drive component is connected with the leather cup, under the driving of the motor, drive leather cup movement with
The pump chamber is made to expand or compress.
7. low-noise air pump according to claim 6, which is characterized in that the eccentric drive component includes：
Eccentric wheel；The eccentric wheel is installed in the rotation axis of the motor；
Swing span；The periphery of the swing span have at least four around the rotation axis circumferentially-spaced and uniformly distributed connection
Portion；At least four connecting portion correspondences are connected at least four leather cups；Each connecting portion is respectively provided with a connection institute
State the intercommunicating pore of inlet plenum and the pump chamber；At least four valve blocks correspond at least four intercommunicating pores of closing, and in institute
State the intercommunicating pore that correspondence position is opened when the pressure differential between inlet plenum and the pump chamber is more than the first preset value；
It tilts pretty；It is described to tilt pretty be connected between the eccentric wheel and swing span middle part.
8. low-noise air pump according to claim 7, which is characterized in that the pump head includes：
Valve plate；The valve plate is arranged on the membrane, and the upper surface of the valve plate at least offers four groups and corresponding leather cup
The opposite gas vent in position；Gas vent described in every group is at least provided with three, and the middle part of gas vent described in every group is in the valve plate
On offer a jack downwards；
Umbrella valve；For the umbrella valve at least provided with four, it is described slotting that at least four umbrella valve correspondences are solidly plugged at least four
In hole, so that corresponding close gas vent at least described in four groups, and the pressure differential between the pump chamber and the discouraged room is more than
The gas vent of correspondence position is opened during the second preset value, so that room of losing heart described in the indoor air flow direction of pump.
9. low-noise air pump according to claim 8, which is characterized in that the upper surface of the pump head lid at least offers four
A gas communication hole opposite with being vented hole site at least described in four groups.
10. low-noise air pump according to claim 9, which is characterized in that uniformly open the upper surface periphery of the valve plate
Equipped with multiple screw hole Cs opposite with corresponding screw hole B location；The upper surface periphery of the membrane seat offers multiple and corresponding screw hole
The opposite screw hole D of location of C；The upper surface periphery of the motor base uniformly offers downwards multiple with corresponding screw hole D positions phase
To screw hole E；The buffer cover is by screwing in the screw hole A and the screw hole B opposite with its position, screw hole C, screw hole D and screw hole E
The interior long screw is mutually fixed with the motor base and forms one；
The upper end of the motor offers location hole and screw hole F downwards；The bottom surface of the motor base is installed with and its one
The molding positioning pin for being suitable for being inserted to the location hole；The inner bottom surface of the motor base is installed with to screw in the screw hole F's
Clamping screw；When the positioning pin is inserted to and screws in the screw hole F in the location hole and the clamping screw, the motor base
It is mutually fixed with the motor and forms one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377155.7A CN108119346B (en) | 2017-12-19 | 2017-12-19 | Low noise air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377155.7A CN108119346B (en) | 2017-12-19 | 2017-12-19 | Low noise air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119346A true CN108119346A (en) | 2018-06-05 |
| CN108119346B CN108119346B (en) | 2024-02-02 |
Family
ID=62230426
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377155.7A Active CN108119346B (en) | 2017-12-19 | 2017-12-19 | Low noise air pump |
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| CN (1) | CN108119346B (en) |
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| CN108799052A (en) * | 2018-08-07 | 2018-11-13 | 珠海市司迈科技有限公司 | A kind of removable seal air pump |
| CN109707602A (en) * | 2019-02-19 | 2019-05-03 | 深圳市时光电子有限公司 | Diaphragm pump |
| CN112727737A (en) * | 2020-12-30 | 2021-04-30 | 厦门坤锦电子科技有限公司 | Noise reduction silencing cover for air pump and vertical eccentric rotary diaphragm pump |
| CN115143074A (en) * | 2022-03-05 | 2022-10-04 | 广东爱迪机电科技有限公司 | Noise reduction and silencing vacuum pump |
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| CN108119346B (en) | 2024-02-02 |
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