CN206636756U - High-flow low-noise micro air pump - Google Patents

High-flow low-noise micro air pump Download PDF

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Publication number
CN206636756U
CN206636756U CN201720252204.3U CN201720252204U CN206636756U CN 206636756 U CN206636756 U CN 206636756U CN 201720252204 U CN201720252204 U CN 201720252204U CN 206636756 U CN206636756 U CN 206636756U
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Prior art keywords
air pump
barrier film
room
cam
drive mechanism
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CN201720252204.3U
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Chinese (zh)
Inventor
殷天鹏
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Shenzhen Union Medical Technology Co Ltd
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Shenzhen Union Medical Technology Co Ltd
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Abstract

The utility model discloses a kind of high-flow low-noise micro air pump, the air pump includes housing and the actuating unit being installed on the housing, and the housing is provided with the first Room and second Room, and each room is provided with barrier film mechanism and drive mechanism;The actuating unit is connected with the drive mechanism, and the actuating unit is used for the drive mechanism operating for the drive mechanism and second Room for driving first Room simultaneously;The drive mechanism is engaged with the barrier film mechanism, and the suction or discharge of gas are realized for making the barrier film deformation.The high-flow low-noise micro air pump that the utility model embodiment provides simplifies the structure of air pump, reduces the volume of air pump, and has higher air-flow suction ability.

Description

High-flow low-noise micro air pump
Technical field
It the utility model is related to pump technical field, more particularly to high-flow low-noise micro air pump.
Background technology
Existing air pump, generally use eccentric wheel and piston-cylinder are combined to realize the air extracting function of air pump, due to it It is complicated, cost is high, therefore, it is difficult to such air pump is condensed into the structure of microminiature.Further, since the vibrations of piston are big, make an uproar Pitch, thus the shortcomings of noise is big, power consumption is high also be present in this kind of air pump, especially when air pump is applied in household electrical appliances, medicine equipment etc. When in field, caused noise can bring very big harmful effect to the life of people.How a kind of micro air pump is designed, its gas The suction ability of stream is high, noise is low, is one of those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-flow low-noise miniature gas Pump, which simplify the structure of air pump, the volume of air pump is reduced, and there is higher air-flow suction ability.
The utility model is realized using following technical scheme:
High-flow low-noise micro air pump, including housing and the actuating unit that is installed on the housing, on the housing Provided with the first Room and second Room, each room is provided with barrier film mechanism and drive mechanism;The actuating unit and the drive mechanism Drive connection, the actuating unit are used for the drive mechanism operating for the drive mechanism and second Room for driving first Room simultaneously; The drive mechanism is engaged with the barrier film mechanism, and suction or the row of gas are realized for making the barrier film deformation Go out.
Preferably, the drive mechanism includes cam, and the cam is connected with the actuating unit, and the cam is used In making the barrier film deformation.
Preferably, the cam includes metal cam body, is used for and the power on the metal cam body First connecting portion, the second connecting portion on the metal cam body for being connected with the barrier film mechanism of mechanism connection And the rock-steady structure in the second connecting portion, the rock-steady structure are connected to described to increase the barrier film mechanism Stability during two connecting portions.
Preferably, the rock-steady structure is bearing.
Preferably, the first connecting portion is the first axis hole, and the second connecting portion is the second axis hole;Second axis hole The angle of center line of center line and first axis hole be 5-45 degree.
Preferably, the center of gravity of the cam is set close to the center line of the first connecting portion.
Preferably, the drive mechanism also includes connecting shaft and extrusion, the cam by the connecting shaft with it is described Extrusion connects, for making the extrusion extrude the barrier film mechanism.
Preferably, the extrusion is provided with connecting shaft axis hole, and the connecting shaft axis hole is used for and the connection axis connection; The cross section of institute's extrusion is in pentagon, and one is correspondingly provided with each angle of the extrusion and is used to connect with the barrier film mechanism The through hole connect.
Preferably, the housing includes the first housing and the second housing, and second housing is located in the first shell body, First inner walls and second housing exterior walls formation outlet chamber spaced apart;The actuating unit is located at institute State in second shell body, and the actuating unit outer wall and second inner walls formation inlet plenum spaced apart;Institute State inlet plenum and the outlet chamber is used to enter row buffering to the gas for passing in and out the air pump;First Room with it is described enter Gas chamber and the outlet chamber, the second Room with the inlet plenum and the outlet chamber.
Preferably, the housing also includes lid, and the lid is connected by the barrier film mechanism with first housing.
Compared with prior art, the beneficial effects of the utility model are:
The high-flow low-noise micro air pump that the utility model embodiment provides, small volume, air flow rate it is big and also due to The actuating unit is used for the drive mechanism operating for the drive mechanism and second Room for driving first Room simultaneously, an engine Structure drives multigroup drive mechanism simultaneously, and then drives multigroup barrier film deformation so that multigroup barrier film mechanism works and reality simultaneously The suction or discharge of existing gas, thus the air pump has air-flow suction ability excellent.Secondly, the high-flow low-noise micro air pump Drive mechanism compact-sized, simple and be miniaturized, be advantageous to the structure that air pump is condensed into microminiature, and due to cam Center of gravity is set close to the center line of the first connecting portion, and in motor high-speed rotation, this structure can reduce vibration, reduce Noise.3rd, because cam is provided with rock-steady structure, thus add the barrier film mechanism be connected with the second connecting portion it is steady It is qualitative.4th, because extrusion is metal extrusion, in the case where connecting shaft runs at high speed, this structure can avoid connecting shaft axle High temperature melting occurs because of frictional heat for hole, cause connecting shaft axis hole aperture increases and can not remain valid work the problem of, increase Add the wearability of extrusion, extend its service life.5th, because the cross section of extrusion is in pentagon, the extruding A through hole is correspondingly provided with each angle of part so that extrusion can either multi-angle presses against diaphragm mechanism, make diaphragm machine Structure deforms and realizes the suction or discharge of gas;And material is saved again, reduce the cost of raw material.Further, since into air pump Gas after inlet plenum obtains buffering, enter back into the first Room and second Room, driven into the gas of the first Room and second Room Under motivation structure and the cooperating of barrier film mechanism, discharged after being buffered into outlet chamber, thus air-flow priority in air pump Buffered twice by inlet plenum and outlet chamber, the air-flow avoided in air pump is excessively rapid, thus greatly reduces Noise caused by air pump work, optimize the using effect of the air pump.
Brief description of the drawings
Fig. 1 is the overall schematic for the high-flow low-noise micro air pump that the embodiment of the utility model one provides;
Fig. 2 is the exploded perspective view of high-flow low-noise micro air pump in Fig. 1;
Fig. 3 is the diagrammatic cross-section of high-flow low-noise micro air pump in Fig. 1;
Fig. 4 is the cam profile schematic diagram of high-flow low-noise micro air pump in Fig. 2;
Fig. 5 is the structural representation of the extrusion of high-flow low-noise micro air pump in Fig. 2;
Fig. 6 is the diagrammatic cross-section of extrusion in Fig. 5.
Drawing reference numeral explanation:
1st, housing;11st, the first Room;12nd, second Room;13rd, the first housing;131st, the first housing gas outlet;14th, second shell Body;141st, the second shell air inlet;15th, outlet chamber;16th, inlet plenum;17th, lid;171st, first gas passage;18th, Three housings;181st, the 3rd shell air inlet;2nd, actuating unit;3rd, barrier film mechanism;31st, barrier film;32nd, barrier film fixation kit;321、 Dividing plate;3211st, unidirectional air outlet valve;322nd, barrier film fixed mount;3221st, second gas passage;4th, drive mechanism;41st, cam;411、 Metal cam body;412nd, first connecting portion;413rd, second connecting portion;414th, rock-steady structure;42nd, connecting shaft;43rd, extrusion; 431st, connecting shaft axis hole;432nd, through hole.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further:
As shown in Figures 1 to 6, the utility model embodiment proposes a kind of high-flow low-noise micro air pump, including housing 1 With the actuating unit 2 being installed on housing 1, housing 1 is provided with the first Room 11 and second Room 12, and each room is provided with barrier film mechanism 3 and drive mechanism 4;Actuating unit 2 is connected with drive mechanism 4, and actuating unit 2 is used for the driving for driving the first Room 11 simultaneously The drive mechanism 4 of mechanism 4 and second Room 12 operates;Drive mechanism 4 is engaged with barrier film mechanism 3, for deforming barrier film mechanism 3 And realize the suction or discharge of gas.
The high-flow low-noise micro air pump that the utility model embodiment provides, small volume, air flow rate is big, and due to Actuating unit 2 is used to drive the drive mechanism 4 of the first Room 11 and the drive mechanism 4 of second Room 12 to operate simultaneously, an engine Structure 2 drives multigroup drive mechanism 4 simultaneously, and then drives multigroup barrier film mechanism 3 to deform so that multigroup barrier film mechanism 3 works simultaneously And the suction or discharge of gas are realized, thus the air pump has air-flow suction ability excellent.
As shown in Figures 2 and 3, it is preferred that drive mechanism 4 includes cam 41, and cam 41 is connected with actuating unit 2, Cam 41 is used to deform barrier film mechanism 3.Specifically, in the utility model embodiment, actuating unit 2 is motor, cam 41 It is connected with the output shaft of motor, other can be that drive mechanism 4 provides the part such as motor of power also in this reality certainly With in novel protected scope, the utility model embodiment not limited to this.
As shown in Figures 4 to 6, it is preferred that cam 41 includes metal cam body 411, on metal cam body 411 For be connected with actuating unit 2 first connecting portion 412, on metal cam body 411 be used to be connected with barrier film mechanism 3 Second connecting portion 413 and the rock-steady structure 414 in second connecting portion 413, rock-steady structure 414 is increasing barrier film mechanism 3 It is connected to stability during second connecting portion 413.It should be understood that cam body uses metal material, cam 41 can be avoided High temperature melting occurs when working and operating.In the utility model embodiment, it is preferred that metal cam body 411 is that steel is convex Take turns body.
Preferably, rock-steady structure 414 is bearing, and bearing is used to reducing when barrier film mechanism 3 is connected to second connecting portion 413 Friction.In the utility model embodiment, it is preferred that the quantity of bearing is two, and two bearings further increase diaphragm machine Structure 3 is connected to stability during second connecting portion 413.
As shown in Figure 4, it is preferred that first connecting portion 412 is the first axis hole, and second connecting portion 413 is the second axis hole.Enter one Step, the center line of the center line of the second axis hole and the first axis hole is set in angle.Preferably, the center line of the second axis hole and The angle of the center line of one axis hole is 5-45 degree.In the utility model embodiment, it is preferred that the center line of the second axis hole and The angle of the center line of one axis hole is 15 degree.Moreover, it is preferred that in order to be further ensured that barrier film mechanism 3 work when stability, Two bearings and the second axis hole are same axis;And two bearing spacers are in the second axis hole, so that barrier film mechanism 3 Its contact area in the second axis hole can be increased by two bearings, so as to firmly be located at the second axis hole It is interior.
Preferably, the center of gravity of cam 41 is set close to the center line of first connecting portion 412.Specifically, cam 41 is in cylinder Shape is set, and the center line of first connecting portion 412 is adjacent with the center line of cylinder or overlaps setting, and this structure can make cam 41 center of gravity is close to the center line of first connecting portion 412, and in motor high-speed rotation, the cam 41 of this structure, which can reduce, to shake Dynamic, reduction noise.
Preferably, drive mechanism 4 also includes connecting shaft 42 and extrusion 43, and cam 41 passes through connecting shaft 42 and extrusion 43 Connection, for making the presses against diaphragm mechanism 3 of extrusion 43.When air pump works, motor driven cam 41 operates, and cam 41 passes through connection Axle 42 drives the presses against diaphragm mechanism 3 of extrusion 43 or barrier film mechanism 3 is restored to the original state, and realizes the suction or discharge of gas.
As shown in Figure 5 and Figure 6, it is preferred that extrusion 43 is provided with connecting shaft axis hole 431 and through hole 432, connecting shaft axis hole 431 are used to be connected with connecting shaft 42, and through hole 432 is used to be connected with barrier film mechanism 3.In the utility model embodiment, it is preferred that Extrusion 43 is metal extrusion such as aluminium, and in the case where connecting shaft 42 runs at high speed, this structure can avoid connecting shaft axis hole 431 High temperature melting occurs because of frictional heat, cause the aperture increases of connecting shaft axis hole 431 and can not remain valid work the problem of, increase Add the wearability of extrusion 43, extend its service life.
Preferably, the cross section of extrusion 43 is in pentagon, and a through hole is correspondingly provided with each angle of extrusion 43 432, this structure cause extrusion 43 can either multi-angle presses against diaphragm mechanism 3, barrier film mechanism 3 is deformed and is realized gas Suction or discharge;And material is saved, reduce the cost of raw material.
Further, extrusion 43 can be plane or curved surface close to the end face of barrier film mechanism 3.In this practicality In new embodiment, it is preferred that extrusion 43 is plane close to the end face of barrier film mechanism 3, so being capable of more preferable presses against diaphragm Mechanism 3, realize the suction or discharge of gas.
Preferably, housing 1 includes the first housing 13 and the second housing 14, and the second housing 14 is located in the first housing 13, the The inwall of one housing 13 and the outer wall of the second housing 14 formation outlet chamber 15 spaced apart;Actuating unit 2 is located at the second housing In 14, and the outer wall of actuating unit 2 and the inwall of the second housing 14 formation inlet plenum 16 spaced apart;Inlet plenum 16 and go out Gas chamber 15 is used to enter row buffering to the gas for entering go out air pump;First Room 11 connects with inlet plenum 16 and outlet chamber 15, Second Room 12 connects with inlet plenum 16 and outlet chamber 15.Because the gas for entering air pump is buffered through inlet plenum 16 Afterwards, the first Room 11 and second Room 12 are entered back into, into the gas of the first Room 11 and second Room 12 in drive mechanism 4 and barrier film mechanism Under 3 cooperating, enter row buffering heel row into outlet chamber 15 and go out, thus air-flow successively passes through inlet plenum 16 in air pump Buffered twice with outlet chamber 15, the air-flow avoided in air pump is excessively rapid, thus greatly reduces air pump work production Raw noise, optimize the using effect of the air pump.
Preferably, housing 1 also includes lid 17, and lid 17 is connected by barrier film mechanism 3 with the first housing 13.Specifically, The quantity of lid 17 is two, and the both ends with the first housing 13 are connected respectively.
Preferably, barrier film mechanism 3 includes barrier film 31 and barrier film fixation kit 32, and barrier film 31 and barrier film fixation kit 32 are formed Airtight chamber, barrier film 31 are fixed on barrier film fixation kit 32, and barrier film fixation kit 32 is fixedly connected with the first housing 13.Every Film fixation kit 32 includes dividing plate 321 and barrier film fixed mount 322, barrier film 31 be sheathed on barrier film fixed mount 322 and with dividing plate 321 Side is connected to form airtight chamber, and the opposite side of dividing plate 321 is connected with lid 17.Specifically, dividing plate 321 passes through gluing with lid 17 Agent bonds and realizes and be tightly connected, and lid 17 realizes the two firm connection with barrier film fixed mount 322 by ultrasonic bonding, uses Ultrasonic bonding, junction intensity height, good seal performance, cost are cheap and will not disfiguring workpiece.First housing 13 is consolidated with barrier film Determine frame 322 to be fixed connection.
Specifically, housing 1 also includes the 3rd housing 18, drive mechanism 4 is in the 3rd housing 18, and the 3rd housing 18 1 End is snapped connection with the second housing 14, and the other end of the 3rd housing 18 is fixed with barrier film fixed mount 322 by locking member such as screw Connection.The quantity of 3rd housing 18 is two, is respectively arranged on the both ends of the second housing 14.3rd housing 18 and barrier film mechanism 3 it Between the cavity that is formed form the first Room 11 or second Room 12.
Further, barrier film 31 is provided with air admission hole (not indicating) and breather cheek valve (not indicating), and breather cheek valve is used Opening and closing in control air admission hole;Dividing plate 321 is provided with venthole (not indicating) and unidirectional air outlet valve 3211, unidirectional outlet Valve is used for opening and the closing for controlling venthole.In the utility model embodiment, it is preferred that the shape of unidirectional air outlet valve 3211 In umbellate form, venthole is distributed in around a fixing hole, and the handle of umbrella part of umbellate form breather cheek valve is plugged in fixing hole, umbellate form The umbrella cover of unidirectional air outlet valve 3211 is placed on venthole.
Preferably, lid 17 is provided with first gas passage 171, and barrier film fixed mount 322 is provided with second gas passage 3221, the in-house gas of barrier film passes sequentially through first gas passage 171 and second gas passage 3221 enters outlet chamber 15.
Specifically, the first housing 13 has cylindrical or oval hollow cavity, the second housing 14 has cylindrical or ellipse Circular hollow cavity, for the second housing 14 in the hollow cavity of the first housing 13, actuating unit 2 is located at the sky of the second housing 14 In chambers of the heart body.In the utility model embodiment, it is preferred that the first housing 13 has oval hollow cavity, the second housing 14 With oval hollow cavity.
Specifically, the first housing 13 is provided with the first housing gas outlet 131, the second housing 14 is provided with the second housing air inlet Mouth 141, the 3rd housing 18 is provided with the 3rd shell air inlet 181, and the second shell air inlet 141 is away from the 3rd shell air inlet 181 are set, and gas outlet of the first housing gas outlet 131 away from second gas passage 3221 is set, this structure can ensure by The gas that second shell air inlet 141 enters inlet plenum 16 enters back into the first Room 11 and second after inlet plenum fully buffers Room 12;The gas of first Room 11 and second Room 12 enters outlet chamber through first gas passage 171 and second gas passage 3221 15 discharged after fully buffering, thus air-flow is successively filled twice in air pump by inlet plenum 16 and outlet chamber 15 Divide buffering, the air-flow that largely avoided in air pump is excessively rapid, thus fully reduces noise caused by air pump work.
To sum up, the high-flow low-noise micro air pump that the utility model embodiment provides, small volume, air flow rate is big, and And because actuating unit 2 is used to drive the drive mechanism 4 of the first Room 11 and the drive mechanism 4 of second Room 12 to operate simultaneously, one Actuating unit 2 drives multigroup drive mechanism 4 simultaneously, and then drives multigroup barrier film mechanism 3 to deform so that multigroup barrier film mechanism 3 is same When work and realize the suction or discharge of gas, thus the air pump has air-flow suction ability excellent.Secondly, the driving of the air pump Compact-sized, the simple and miniaturization of mechanism 4, is advantageous to the structure that air pump is condensed into microminiature, and due to the weight of cam 41 The heart is set close to the center line of first connecting portion 412, and in motor high-speed rotation, this structure can reduce vibration, reduce and make an uproar Sound.3rd, because cam 41 is provided with rock-steady structure 414, thus add barrier film mechanism 3 be connected with second connecting portion 413 it is steady It is qualitative.4th, because extrusion 43 is metal extrusion, in the case where connecting shaft 42 runs at high speed, this structure can avoid connecting High temperature melting occurs because of frictional heat for axle axis hole 431, cause the aperture increases of connecting shaft axis hole 431 and the work that can not remain valid The problem of, the wearability of extrusion 43 is added, extends its service life.5th, because the cross section of extrusion 43 is in five It is angular, a through hole 432 is correspondingly provided with each angle of extrusion 43 so that extrusion 43 can either multi-angle extruding every Film mechanism 3, barrier film mechanism 3 is set to deform and realize the suction or discharge of gas;And material is saved again, reduce the cost of raw material. Finally, due into air pump gas after inlet plenum 16 obtains buffering, the first Room 11 and second Room 12 are entered back into, into The gas of one Room 11 and second Room 12 is delayed under the cooperating of drive mechanism 4 and barrier film mechanism 3 into outlet chamber 15 Discharged after punching, thus air-flow is successively buffered twice in air pump by inlet plenum 16 and outlet chamber 15, avoids gas Air-flow in pump is excessively rapid, thus greatly reduce air pump work caused by noise, optimize the using effect of the air pump.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims Within the scope of.

Claims (8)

1. a kind of high-flow low-noise micro air pump, it is characterised in that including housing and the engine being installed on the housing Structure, the housing are provided with the first Room and second Room, and each room is provided with barrier film mechanism and drive mechanism;The actuating unit with The drive mechanism drive connection, the actuating unit are used for the drive for driving the drive mechanism and second Room of first Room simultaneously Motivation structure operates;The drive mechanism is engaged with the barrier film mechanism, and gas is realized for making the barrier film deformation Suction or discharge.
2. high-flow low-noise micro air pump as claimed in claim 1, it is characterised in that the drive mechanism includes cam, The cam is connected with the actuating unit, and the cam is used to make the barrier film deformation.
3. high-flow low-noise micro air pump as claimed in claim 2, it is characterised in that the cam includes metal cam sheet Body, on the metal cam body be used for be connected with the actuating unit first connecting portion, located at the metal cam It is described for the second connecting portion being connected with the barrier film mechanism and the rock-steady structure in the second connecting portion on body Rock-steady structure is increasing the stability when barrier film mechanism is connected to the second connecting portion.
4. high-flow low-noise micro air pump as claimed in claim 3, it is characterised in that the rock-steady structure is bearing.
5. high-flow low-noise micro air pump as claimed in claim 3, it is characterised in that the first connecting portion is first axle Hole, the second connecting portion are the second axis hole;The angle of the center line of second axis hole and the center line of first axis hole For 5-45 degree.
6. high-flow low-noise micro air pump as claimed in claim 3, it is characterised in that the center of gravity of the cam is close to described The center line of first connecting portion is set.
7. high-flow low-noise micro air pump as claimed in claim 2, it is characterised in that the drive mechanism also includes connecting Spindle and extrusion, the cam are connected by the connecting shaft with the extrusion, for making described in the extrusion extruding Barrier film mechanism.
8. high-flow low-noise micro air pump as claimed in claim 7, it is characterised in that the extrusion is provided with connecting shaft Axis hole, the connecting shaft axis hole are used for and the connection axis connection;The cross section of institute's extrusion is in pentagon, the extrusion A through hole for being used to be connected with the barrier film mechanism is correspondingly provided with each angle.
CN201720252204.3U 2017-03-15 2017-03-15 High-flow low-noise micro air pump Active CN206636756U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989001A (en) * 2017-03-15 2017-07-28 深圳市联康医疗技术有限公司 High-flow low-noise micro air pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989001A (en) * 2017-03-15 2017-07-28 深圳市联康医疗技术有限公司 High-flow low-noise micro air pump
CN106989001B (en) * 2017-03-15 2019-12-10 深圳市联康医疗技术有限公司 High-flow low-noise miniature air pump

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