CN2903476Y - Starting valve for piezoelectric pump having valve - Google Patents
Starting valve for piezoelectric pump having valve Download PDFInfo
- Publication number
- CN2903476Y CN2903476Y CN 200520141846 CN200520141846U CN2903476Y CN 2903476 Y CN2903476 Y CN 2903476Y CN 200520141846 CN200520141846 CN 200520141846 CN 200520141846 U CN200520141846 U CN 200520141846U CN 2903476 Y CN2903476 Y CN 2903476Y
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- CN
- China
- Prior art keywords
- valve
- spool
- cantilever
- pump
- piezoelectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 6
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 3
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000007858 starting material Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
A trigger valve for the piezoelectric pump equipped with a valve relates to fluid mechanical field, characterized in that the trigger valve comprises a stepped valve seat, a spool which forms interference fit with the valve seat, wherein the spool is equipped with a via hole and fixed with a sheet valve plate which is symmetrically equipped with a cantilever with the end of the cantilever being equipped with a discoid cover, and the length of the cantilever guarantees the discoid cover to cover on the spool via hole. The valve plate can be arranged on the upper or lower spool to constitute sucking or draining trigger valve. When the sucking or draining trigger valve is arranged on the bottom of the electrical pump to form pump cavity with the piezoelectric vibrator of the pump body, the piezoelectric vibrator of the electrical pump moves up and down, thereby increasing the volume of the pump cavity, making the pressure of the pump cavity fall down or rise up, and causing elastic deformation of the cantilever of the sucking or draining trigger valve, also opening the discoid cover on the spool hole, further making the extraneous fluid flow in or out. The utility model which starts agilely substantially enhances the working frequency and threshold value of the piezoelectric vibrator of the piezoelectric pump with a valve, thereby continuing to enlarge the flow quantity of the piezoelectric pump with the enhancing frequency of the piezoelectric vibrator.
Description
Technical field
The utility model relates to a kind of startup valve that is used to have valve piezoelectric pump, belongs to field of fluid machinery.
Background technique
Along with positive displacement has the development of valve piezoelectric pump, the vibration frequency that improves piezoelectric vibrator becomes to improve one of means of valve piezoelectric pump flow.But in experiment, find, the at present employed cone valve shown in Figure 1 as signal, as illustrate ball valve shown in Figure 2, as illustrating valves such as plate valve shown in Figure 3, along with after the piezoelectric vibrator vibration frequency is higher than this threshold value of 100Hz, the servo-actuated opening speed of valve will seriously lag behind the phase place of piezoelectric vibrator motion, and the amplitude of valve opening also can descend, thereby the increase along with the piezoelectric vibrator frequency can take place, and the phenomenon that the valve piezoelectric pump flow descends on the contrary.For addressing the above problem, designed again as illustrating the nothing shown in Figure 4 constraint startup valve that floats, but this valve working less stable.
Summary of the invention
The purpose of this utility model is to overcome foregoing problems, and a kind of starter gate valve door device that is used to have valve piezoelectric pump is provided.
The technical solution of the utility model is referring to schematic representation 5～10, and the utility model includes spool 2 and the valve plate 3 that covers on spool 2, is characterised in that: also include the valve seat 1 that is step-like; The step of valve seat 1 inwall is provided with the spool 2 that forms interference fit with it, and spool 2 is provided with through hole 11; The valve plate 3 that low rigidity material is made is fixed on the spool 2; Wherein valve plate 3 stretches out cantilever, and the end of cantilever is a disk shaped cap 12; The length assurance disk shaped cap 12 of cantilever is covered on the through hole 11 of spool 2.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump, valve plate 3 is a sheet, the center symmetry is the radial cantilever that stretches out more than 2, has the groove 13 that reduces cantilever rigidity on the cantilever; Cantilevered distal end is provided with disk shaped cap 12, and disk shaped cap 12 is the non-streamline shape.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump, the upper and lower surface of spool 2 all has groove, is provided with the through hole 11 more than 2 in the groove, and the number of the through hole 11 of spool 2 is consistent with the number of the cantilever of valve plate 3.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump has groove at the upper surface or the lower surface of spool 2, can place valve plate 3 in the groove; In valve plate 3 is just placed the upper surface groove of spool 2, constitute inhalation type and start valve 8; When valve plate 3 is inverted in the lower surface groove of spool 2, constitute the discharge formula and start valve 9.
Of the present utility modelly a kind ofly be used for having the starter gate valve door device of valve piezoelectric pump to have the work situation and the Placement of valve piezoelectric pump to be: inhalation type to be started valve 8 and discharge formula start valve 9 and be installed in suction port and the exhaust port position that positive displacement has the valve piezoelectric pump pump housing 10 diapires respectively in positive displacement, the upper surface upper cover piezoelectric vibrator 7 of the pump housing 10, by fixed plate 6 and fixed plate screw 5 pump housing 10 and piezoelectric vibrator 7 are connected as one, form sealing, as illustrate pump chamber shown in Figure 11.The working principle of this device is: when positive displacement has valve piezoelectric pump work operation, when piezoelectric vibrator 7 moves upward, the pump chamber volume increases, pressure in the pump chamber descends, when pressure is lower than ambient pressure, the cantilever that inhalation type starts the valve plate 3 on the valve 8 begins to take place resiliently deformable, opens the disk shaped cap 12 that covers on spool 2 holes, and extraneous fluid flows into.When piezoelectric vibrator 7 moved downward, the pump chamber volume reduced, the pump chamber increased pressure, when pressure is higher than ambient pressure, the cantilever that the discharge formula starts the valve plate 3 on the valve 9 begins to take place resiliently deformable, opens the disk shaped cap 12 that covers on spool 2 holes, and the chamber inner fluid flows out.
Owing to have groove 13 on the cantilever of valve plate 3, make valve plate 3 be low stiffness structure in the utility model; Disk shaped cap 12 is designed to the non-streamline shape, make valve very responsive for the variation of the disturbance of fluid and hydrodynamic pressure, thereby improved the servo-actuated performance of valve for piezoelectric vibrator 7, increase substantially the frequency threshold of the piezoelectric vibrator of valve piezoelectric pump, make the flow of pump can continue along with the raising of piezoelectric vibrator frequency to increase.
Description of drawings
Fig. 1 cone valve structure schematic representation.
Fig. 2 ball-valve structure schematic representation.
Fig. 3 plate valve structural representation.
Fig. 4 does not have the constraint valve schematic representation that floats.
Fig. 5 is of the present utility model to be used to have the structural representation of the starter gate valve family of power and influence plate of valve piezoelectric pump.
The A-A sectional view of Fig. 6 Fig. 5.
The inside configuration schematic representation of Fig. 7 spool of the present utility model.
The plan view of Fig. 8 spool of the present utility model.
The structural representation of Fig. 9 valve seat of the present utility model.
Figure 10 inhalation type of the present utility model starts the structural representation of valve.
Figure 11 discharge formula of the present utility model starts the structural representation of valve.
Figure 12 is of the present utility model to be used for having the startup valve of valve piezoelectric pump at Placement that valve piezoelectric pump is arranged and working state schematic representation.
Among the figure: 1, valve seat, 2, spool, 3, valve plate, 4, screw, 5, the fixed plate screw, 6, fixed plate, 7, piezoelectric vibrator, 8, inhalation type starts valve, 9, the discharge formula starts valve, 10, the pump housing, 11, through hole, 12, disk shaped cap, 13, groove.
Embodiment
Implement the utility model according to Fig. 5-technological scheme shown in Figure 12.All adopt conventional bolt to connect between each parts of this device of the utility model or the interference fit connection.In this device, valve seat 1 is designed to inwall and is the step-like barrel shape shape of one-level, the spool 2 that upper and lower surface is all had groove is positioned on the step of valve seat 1 inwall, in the upper surface of spool 2 or lower surface groove, place valve plate 3, connect valve plates 3 and spool 2 by screw 4 and constitute and start the valve integral body.The valve plate 3 of low rigidity elastic material is designed to 6 cantilevers, promptly is 6 petal-shaped.
Have in the valve piezoelectric pump work system in the positive displacement that inhalation type startup valve 8 of the present utility model and discharge formula startup valve 9 are housed, piezoelectric vibrator 7 diameters are 30mm, and working power voltage is 220V, and the threshold frequency of piezoelectric vibrator 7 reaches 150Hz.In this system, inhalation type starts valve 8 and discharge formula and starts on the commercially available gluing suction port and exhaust port that is connected on electric pump of valve 9 usefulness.
Can quickly start after the utility model is implemented, increased substantially the threshold value that valve piezoelectric pump piezoelectric vibrator frequency of okperation is arranged, thereby make the flow of pump can continue along with the raising of piezoelectric vibrator frequency to increase.
Claims (4)
1, a kind of startup valve that is used to have valve piezoelectric pump, the valve plate that includes spool and match, of the present utility model being characterised in that: also include the valve seat (1) that is step-like with spool; The step of valve seat (1) inwall is provided with the spool (2) that forms interference fit with it, and spool (2) is provided with through hole (11); The valve plate (3) that low rigidity material is made is fixed on the spool (2); Wherein valve plate (3) stretches out cantilever, and the end of cantilever is disk shaped cap (12); The length assurance disk shaped cap (12) of cantilever is covered on the through hole (11) of spool (2).
2, the startup valve that is used to have valve piezoelectric pump according to claim 1 is characterized in that: valve plate (3) is a sheet, and the center symmetry is the radial cantilever that stretches out more than 2, has the groove (13) that reduces cantilever rigidity on the cantilever; Cantilevered distal end is provided with disk shaped cap (12), and disk shaped cap (12) is the non-streamline shape.
3, the startup valve that is used to have valve piezoelectric pump according to claim 1 and 2, it is characterized in that: the upper and lower surface of spool (2) all has groove, be provided with the through hole (11) more than 2 in the groove, the number of the through hole (11) of spool (2) is consistent with the number of the cantilever of valve plate (3).
4, according to claim 1 or the 2 or 3 described startup valves that are used to have valve piezoelectric pump, it is characterized in that: upper surface or lower surface at spool (2) have groove, can place valve plate (3) in the groove; In valve plate (3) is just placed the upper surface groove of spool (2), constitute inhalation type and start valve (8); When valve plate (3) is inverted in the lower surface groove of spool (2), constitute the discharge formula and start valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520141846 CN2903476Y (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump having valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520141846 CN2903476Y (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump having valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903476Y true CN2903476Y (en) | 2007-05-23 |
Family
ID=38078886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520141846 Expired - Fee Related CN2903476Y (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump having valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2903476Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350277A (en) * | 2012-06-15 | 2015-02-11 | 西门子公司 | Device and arrangement for generating flow of air |
| CN106762566A (en) * | 2016-12-28 | 2017-05-31 | 南京航空航天大学 | Semi-flexible valve piezoelectric pump and its method of work |
-
2005
- 2005-11-25 CN CN 200520141846 patent/CN2903476Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350277A (en) * | 2012-06-15 | 2015-02-11 | 西门子公司 | Device and arrangement for generating flow of air |
| US10060422B2 (en) | 2012-06-15 | 2018-08-28 | Siemens Aktiengesellschaft | Device and arrangement for generating a flow of air |
| CN106762566A (en) * | 2016-12-28 | 2017-05-31 | 南京航空航天大学 | Semi-flexible valve piezoelectric pump and its method of work |
| CN106762566B (en) * | 2016-12-28 | 2018-12-07 | 南京航空航天大学 | Valve piezoelectric pump semi-flexible and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |