CN206571658U - A kind of three chamber supercharging air pumps - Google Patents
A kind of three chamber supercharging air pumps Download PDFInfo
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- CN206571658U CN206571658U CN201720238546.XU CN201720238546U CN206571658U CN 206571658 U CN206571658 U CN 206571658U CN 201720238546 U CN201720238546 U CN 201720238546U CN 206571658 U CN206571658 U CN 206571658U
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Abstract
The utility model discloses a kind of three chambers supercharging air pump, including overlapping the air pump main body constituted by upper pump casing, middle pump body and lower pump body, piezoelectricity chamber is respectively arranged with upper pump casing, middle pump body and lower pump body, three described piezoelectricity chambers are separated by four pieces of piezoelectric patches, the fluid passage connection air inlet of the upper pump casing and lower pump body, the fluid passage of the fluid passage connection gas outlet of middle pump body, upper pump casing and lower pump body connects the fluid passage of middle pump body by connectivity slot.In the utility model, upper pump casing and lower pump body suction outside air, middle pump body discharge air-flow；The piezoelectricity chamber smaller volume of upper pump casing and lower pump body to connectivity slot be vented when, middle pump body piezoelectricity chamber volume enlargement, the gas in connectivity slot is set to accelerate in the fluid passage of suction middle pump body, tolerance in middle pump body is approximately equal to the tolerance sum of upper pump casing and lower pump body, the air pressure in middle pump body is discharged after pressurizeing twice from gas outlet simultaneously, its output pressure is much larger than the discharge pressure of single-chamber air pump, and the scope of application is wider.
Description
Technical field
The utility model is related to piezoelectric pump field, and in particular to a kind of three chambers supercharging air pump.
Background technology
Piezoelectric pump is kind of a novel fluid driver, and it does not need additional drives motor, but utilizes the inverse pressure of piezoelectric ceramics
Electrical effect is deformed piezoelectric vibrator, then the volume change for producing pump chamber by deformation is realized fluid output or shaken using piezoelectricity
Son produces fluctuation to transmit fluid.Piezoelectric pump has the advantages that small volume, Jing Yin, long lifespan, is widely used in medical field, electricity
The fields such as sub- product scope, the Shui nationality.Existing piezoelectric pump is typically the chamber only in single-chamber pump, pump with a variable volume,
Its flow and pressure are relatively low, and application is restricted significantly, therefore, and the research for improving flow and pressure is current piezoelectric pump
Important research direction.
Utility model content
In order to overcome above-mentioned problem, the utility model provides a kind of three chambers supercharging air pump, passes through three piezoelectricity
Chamber, carries out fluid classification pressurization, increases the output flow and output pressure of air pump.
The utility model solves the technical scheme that its technical problem used：
A kind of three chamber supercharging air pumps, including
Air pump main body, the air pump main body is made up of upper pump casing, middle pump body and lower pump body overlapping, the upper pump casing top,
Between upper pump casing and middle pump body, between middle pump body and lower pump body and lower pump body bottom be respectively arranged with a piezoelectric patches,
The piezoelectricity chamber of up/down perforation is respectively arranged with the upper pump casing, middle pump body and lower pump body, the piezoelectric patches is set
Piezoelectricity chamber is sealed in the upper and lower ends of each piezoelectricity chamber, changes the volume of piezoelectricity chamber during the piezoelectric patches energization action,
The fluid passage of insertion front and back end is respectively arranged with the upper pump casing, middle pump body and lower pump body, the fluid leads to
The piezoelectricity chamber of the pump housing where road connection, the front and back end of the fluid passage is respectively arranged with make fluid passage unidirectionally supply gas unidirectional
Valve,
The air pump main body, which is provided with protecgulum and bonnet, the protecgulum, is provided with two air inlets and a gas outlet,
Described two air inlets correspond to the fluid passage of upper pump casing and lower pump body respectively, and the fluid of the gas outlet correspondence middle pump body leads to
Road, it is described after cover be provided with connection three pump housings fluid passage connectivity slot.
The working condition of supercharging air pump of the present utility model includes：
Original state, all piezoelectric patches are parallel, and two between upper pump casing and middle pump body, between middle pump body and lower pump body
Block piezoelectric patches, is the piezoelectric patches that middle pump body piezoelectricity chamber is shared with upper pump casing piezoelectricity chamber, lower pump body piezoelectricity chamber respectively；
First working condition, piezoelectric patches energization action, is arranged on the outside lateral bend of piezoelectric patches at upper pump casing piezoelectricity chamber two ends,
The outside lateral bend of piezoelectric patches at lower pump body piezoelectricity chamber two ends is arranged on, makes the piezoelectricity chamber volume expansion of upper pump casing and lower pump body, from
Air inlet sucks ambient atmos to the fluid passage of upper pump casing and lower pump body, while the piezoelectricity chamber smaller volume of middle pump body, discharge
Gas in middle pump body；
Second working condition, the state dress of piezoelectric patches is changed, and is arranged on the inside lateral bending of piezoelectric patches at upper pump casing piezoelectricity chamber two ends
Song, is arranged on the piezoelectricity chamber smaller volume of the inside lateral bend of piezoelectric patches at lower pump body piezoelectricity chamber two ends, upper pump casing and lower pump body,
Gas in fluid passage is pressed in connectivity slot, while the piezoelectricity chamber volume expansion of middle pump body, sucks gas out of connectivity slot；
Supercharging air pump of the present utility model in the course of the work, constantly change by the first working condition and the second working condition,
Wherein supercharging air pump carries out air-breathing and exhaust in the first working condition, and internal pressurization is carried out in the second working condition.
As the further improvement of above-mentioned technical proposal, between the air pump main body and protecgulum, air pump main body and bonnet it
Between be respectively arranged with valve rack, the valve rack correspondence fluid passage is provided with valve mounting apertures, and the check valve is installed
In valve mounting apertures.
As the further improvement of above-mentioned technical proposal, the piezoelectric patches edge is provided with elastic sealing ring.
As the further improvement of above-mentioned technical proposal, the piezoelectric patches connects power supply by lead-out wire, the upper pump casing,
Middle pump body and lower pump body are separately provided for the recess that lead-out wire is passed.
As the further improvement of above-mentioned technical proposal, the upper pump casing upper end is provided with upper sealing plate, the lower pump body
Bottom is provided with lower shrouding, and upper sealing plate and lower shrouding are provided for the piezoelectricity that covering protection is located at air pump main body upper and lower end parts
Piece.
As the further improvement of above-mentioned technical proposal, it is provided with the upper sealing plate and lower shrouding close for compressing elasticity
The rib of seal ring and piezoelectric patches.
As the further improvement of above-mentioned technical proposal, the breach passed through for lead-out wire is provided with the rib, it is described
Breach is corresponding with the installation site of recess.
As the further improvement of above-mentioned technical proposal, block is provided with the air inlet.
As the further improvement of above-mentioned technical proposal, the protecgulum has been wholely set connecting pipe at gas outlet.
As the further improvement of above-mentioned technical proposal, the check valve includes the straight-tube shape made using elastomeric material
Valve body, the valve body is internally provided with the through hole at insertion valve body two ends, and valve body one end has been wholely set opening and closing part, the opening and closing part
Draw close and formed in the middle of from two relative inclined sides of valve body to through hole, Stress control of the opening and closing part in through hole is opened,
Closed in the presence of natural resiliency restoring force.
The beneficial effects of the utility model are：
Three chambers supercharging air pump of the present utility model is provided with three pump housings, and wherein upper pump casing and lower pump body is used to suck the external world
Air, middle pump body is used to discharge the air-flow after supercharging；The piezoelectricity chamber smaller volume of upper pump casing and lower pump body to connectivity slot be vented when,
The volume enlargement of middle pump body piezoelectricity chamber, makes the gas in connectivity slot accelerate in the fluid passage of suction middle pump body, in middle pump body
Tolerance is approximately equal to the tolerance sum of upper pump casing and lower pump body, while the air pressure in middle pump body is arranged after pressurizeing twice from gas outlet
Go out, its output pressure is much larger than the discharge pressure of single-chamber air pump, the scope of application is wider.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of three chambers supercharging air pump of the present utility model.
Fig. 2 is the explosive view of three chamber supercharging air pumps in Fig. 1.
Fig. 3 is the sectional view of three chamber supercharging air pumps in Fig. 1.
Embodiment
Referring to figs. 1 to Fig. 3, the utility model provides a kind of preferred embodiment, a kind of three chambers supercharging air pump, including protecgulum
1st, bonnet 5 and the air pump main body being arranged between protecgulum 1 and bonnet 5, the air pump main body is by upper pump casing 2, middle pump body 3 and lower pump
The overlapping composition of body 4, the upper end of upper pump casing 2 is provided with upper sealing plate 7, and the bottom of lower pump body 4 is provided with lower shrouding 8.Institute
State between air pump main body and protecgulum 1, be respectively arranged with valve rack 6 between air pump main body and bonnet 5.
The piezoelectricity chamber 42 of up/down perforation is respectively arranged with the upper pump casing 2, middle pump body 3 and lower pump body 4, while on described
Between the pump housing 2 and upper sealing plate 7, between upper pump casing 2 and middle pump body 3, between middle pump body 3 and lower pump body 4, lower pump body 4 and lower shrouding 8
Between be respectively arranged with a piezoelectric patches 9, three piezoelectricity chambers 42 are separated setting by four pieces of piezoelectric patches 9, wherein positioned at middle pump body about 2
The piezoelectric patches 9 at end is the piezoelectric patches 9 that multiple piezoelectricity chambers are shared；Due to the inverse piezoelectric effect of piezoelectric patches 9, piezoelectric patches 9 is after powered up
Can occur elastic deformation, change the volume of each piezoelectricity chamber 42, so as to suck and discharge gas.The edge of the piezoelectric patches 9 is set
Elastic sealing ring 91 is equipped with, the piezoelectric patches 9 is sealed by elastic sealing ring 91 to piezoelectricity chamber 42.Further, the pressure
Electric piece 9 connects power supply by lead-out wire, and the upper pump casing 2, middle pump body 3 and lower pump body 4 are separately provided for lead-out wire and passed
Recess 43.Further, it is provided with the upper sealing plate 7 and lower shrouding 8 for compressing elastic sealing ring 91 and piezoelectric patches 9
Rib 81, the breach 82 passed through for lead-out wire is provided with rib 81, the breach 82 is relative with the installation site of recess 43
Should.
It is provided with the upper pump casing 2 in upper fluid passage 21, middle pump body 3 and is provided with intervening fluid channels 31, lower pump body 4
Inside it is provided with lower fluid passage 41.The pump housing where the front and back end of the pump housing where the fluid passage insertion, and fluid passage connection
Piezoelectricity chamber 42.Two air inlets 11 with block and a gas outlet with connecting pipe 12 are provided with the protecgulum 1, it is described
Two air inlets 11 correspond to upper fluid passage 21 and lower fluid passage 41, the gas outlet correspondence intervening fluid channels 31 respectively.
The connectivity slot 51 of the fluid passage of three pump housings of connection is provided with the bonnet 5.
Described each fluid passage of the correspondence of valve rack 6 is provided with valve mounting apertures 61, described each valve mounting apertures
Check valve 10 is installed in 61.Wherein upper fluid passage 21 and lower fluid passage 41 makes gas from air inlet by check valve 10
11 enter single flow direction connectivity slot 51 behind fluid passage；And intervening fluid channels 31 are by the control of check valve 10, make air-flow from
Connectivity slot 51 is through the gas outlet one-way flow of intervening fluid channels 31.It is preferred that, the structure of the check valve 10 is as follows：Check valve 10
Including the valve body of the straight-tube shape made using elastomeric material, the valve body is internally provided with the through hole at insertion valve body two ends, valve body
One end has been wholely set opening and closing part, the opening and closing part from two relative inclined sides of valve body to through hole in the middle of draw close and formed,
Stress control of the opening and closing part in through hole is opened, and is closed in the presence of natural resiliency restoring force.
The working condition of supercharging air pump of the present utility model includes original state, the first working condition and the second work shape
State：Original state, all piezoelectric patches 9 are parallel；First working condition, the energization of piezoelectric patches 9 action, is arranged on the piezoelectricity chamber of upper pump casing 2
The outside lateral bend of piezoelectric patches 9 at two ends, is arranged on the outside lateral bend of piezoelectric patches 9 at the piezoelectricity chamber two ends of lower pump body 4, makes upper pump casing 2
With the piezoelectricity chamber volume expansion of lower pump body 4, ambient atmos are sucked to upper fluid passage 21 and lower fluid passage 41 from air inlet 11,
The piezoelectricity chamber smaller volume of middle pump body 3, discharges the gas in intervening fluid channels 31 simultaneously；Second working condition, piezoelectric patches 9
State dress is changed, and is arranged on the inside lateral bend of piezoelectric patches 9 at the piezoelectricity chamber two ends of upper pump casing 2, is arranged on the piezoelectricity chamber two ends of lower pump body 4
Gas in fluid passage, is pressed to connection by the piezoelectricity chamber smaller volume of the inside lateral bend of piezoelectric patches 9, upper pump casing 2 and lower pump body 4
In groove 51, while the piezoelectricity chamber volume expansion of middle pump body 3, from the interior suction gas of connectivity slot 51.Supercharging air pump of the present utility model
In the course of the work, the first working condition and the second working condition are constantly changed, and wherein supercharging air pump is in the first working condition
Air-breathing and exhaust are carried out, internal pressurization is carried out in the second working condition.
Three chambers supercharging air pump of the present utility model is provided with three pump housings, and wherein upper pump casing 2 and lower pump body 4 is outer for sucking
Boundary's air, middle pump body 3 is used to discharge the air-flow after supercharging；In a second operative state, the piezoelectricity chamber of upper pump casing 2 and lower pump body 4
Smaller volume to connectivity slot 51 be vented when, the volume enlargement of the piezoelectricity chamber of middle pump body 3 makes gas in connectivity slot 51 accelerate in suction
Between in fluid passage 31, the tolerance in middle pump body 3 is approximately equal to the tolerance sum of upper pump casing 2 and lower pump body 4, while in middle pump body 3
Air pressure after pressurizeing twice from gas outlet discharge, its output pressure be much larger than single-chamber air pump discharge pressure, the scope of application
It is wider.
Above concrete structure and sized data are that preferred embodiment of the present utility model is illustrated, but this reality
The embodiment is not limited to new creation, those skilled in the art are in the premise without prejudice to the utility model spirit
A variety of equivalent variations or replacement can be also made down, and these equivalent deformations or replacement are all contained in the application claim and limited
In fixed scope.
Claims (10)
1. a kind of three chambers supercharging air pump, it is characterised in that：Including
Air pump main body, the air pump main body is made up of upper pump casing, middle pump body and lower pump body overlapping, the upper pump casing top, upper pump
Between body and middle pump body, between middle pump body and lower pump body and lower pump body bottom be respectively arranged with a piezoelectric patches,
The piezoelectricity chamber of up/down perforation is respectively arranged with the upper pump casing, middle pump body and lower pump body, the piezoelectric patches is arranged on often
The upper and lower ends of individual piezoelectricity chamber are sealed to piezoelectricity chamber, change the volume of piezoelectricity chamber during the piezoelectric patches energization action,
The fluid passage of insertion front and back end is respectively arranged with the upper pump casing, middle pump body and lower pump body, the fluid passage connects
The piezoelectricity chamber of the pump housing where logical, the front and back end of the fluid passage is respectively arranged with the check valve for making fluid passage unidirectionally supply gas,
The air pump main body, which is provided with protecgulum and bonnet, the protecgulum, is provided with two air inlets and a gas outlet, described
Two air inlets correspond to the fluid passage of upper pump casing and lower pump body, the fluid passage of the gas outlet correspondence middle pump body, institute respectively
The connectivity slot for the fluid passage for being provided with three pump housings of connection is covered after stating.
2. a kind of three chambers supercharging air pump according to claim 1, it is characterised in that：Between the air pump main body and protecgulum,
Valve rack is respectively arranged between air pump main body and bonnet, the valve rack correspondence fluid passage is provided with valve installation
Hole, the check valve is arranged in valve mounting apertures.
3. a kind of three chambers supercharging air pump according to claim 2, it is characterised in that：The piezoelectric patches edge sets flexible
Sealing ring.
4. a kind of three chambers supercharging air pump according to claim 3, it is characterised in that：The piezoelectric patches is connected by lead-out wire
Power supply, the upper pump casing, middle pump body and lower pump body are separately provided for the recess that lead-out wire is passed.
5. a kind of three chambers supercharging air pump according to claim 4, it is characterised in that：The upper pump casing upper end is provided with
Shrouding, the lower pump body bottom is provided with lower shrouding.
6. a kind of three chambers supercharging air pump according to claim 5, it is characterised in that：Set on the upper sealing plate and lower shrouding
There is the rib for compressing elastic sealing ring and piezoelectric patches.
7. a kind of three chambers supercharging air pump according to claim 6, it is characterised in that：It is provided with the rib and supplies lead-out wire
The breach passed through, the breach is corresponding with the installation site of recess.
8. a kind of three chambers supercharging air pump according to claim 1, it is characterised in that：Block is provided with the air inlet.
9. a kind of three chambers supercharging air pump according to claim 1, it is characterised in that：The protecgulum is integrally set at gas outlet
It is equipped with connecting pipe.
10. a kind of three chambers supercharging air pump according to claim 1, it is characterised in that：The check valve is included using elasticity
The valve body for the straight-tube shape that material makes, the valve body is internally provided with the through hole at insertion valve body two ends, and valve body one end is wholely set
Have an opening and closing part, the opening and closing part from two relative inclined sides of valve body to through hole in the middle of draw close and formed, opening and closing part is by through hole
Interior Stress control is opened, and is closed in the presence of natural resiliency restoring force.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238546.XU CN206571658U (en) | 2017-03-10 | 2017-03-10 | A kind of three chamber supercharging air pumps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238546.XU CN206571658U (en) | 2017-03-10 | 2017-03-10 | A kind of three chamber supercharging air pumps |
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| CN206571658U true CN206571658U (en) | 2017-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837759A (en) * | 2017-03-10 | 2017-06-13 | 广东捷成科创电子股份有限公司 | A kind of three chamber supercharging air pumps |
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2017
- 2017-03-10 CN CN201720238546.XU patent/CN206571658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837759A (en) * | 2017-03-10 | 2017-06-13 | 广东捷成科创电子股份有限公司 | A kind of three chamber supercharging air pumps |
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