CN205183002U - From taking valve disconnect -type piezoelectricity jet -pump - Google Patents
From taking valve disconnect -type piezoelectricity jet -pump Download PDFInfo
- Publication number
- CN205183002U CN205183002U CN201521003446.6U CN201521003446U CN205183002U CN 205183002 U CN205183002 U CN 205183002U CN 201521003446 U CN201521003446 U CN 201521003446U CN 205183002 U CN205183002 U CN 205183002U
- Authority
- CN
- China
- Prior art keywords
- pump
- push rod
- driving body
- valve
- separate type
- 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.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a piezoelectric pump technical field especially relates to a from taking valve disconnect -type piezoelectricity jet -pump, including the driving body and the pump body, the driving body is located the top of the pump body, and the driving body includes cavity, piezo -actuator, first push pedal and first push rod. The utility model discloses a driving body and pump body branch can separate, and first push rod passes through before the bulb terminal surface effect on the pump body, the moment of torsion direct action that can effectually avoid the integral type push rod on the driving body, life -span of having improved the driving body, simultaneously, adopt the disconnect -type to carry out the split to the driving body and the pump body, have corrosive fluid and have sticky liquid when carrying, can carry out effectual washing to the pump body to reduce because remain the influence to pump body feeding accuracy, adopt the disconnect -type to reduce because the driving body life -span is becoming due or the pump body damages and need the complete machine to change, great reduction the maintenance cost.
Description
Technical field
The utility model relates to piezoelectric pump technical field, particularly relates to one and carries valve separate type piezoelectric fountain pump.
Background technology
The dilatation utilizing piezoelectric actuator to produce under electric field action, there has been proposed the piezoelectric pump of various structures.Compare with traditional mechanical type hydraulic pump, piezoelectric pump has that structure is simple, volume is little, without the controlled many advantages of electric jamming, flow/pressure, be therefore with a wide range of applications in medical treatment, chemistry, Aero-Space, electro-mechanical fluid feed system etc.
Have no-trump piezoelectric pump to be divided into have valve piezoelectric pump and Valveless piezoelectric pump according to pump valve, Valveless piezoelectric pump generally at least adopts a pair inverted taper flow pipe, and Valveless piezoelectric pump structure is simple, easy processing and fabricating, but because it does not have valve, the efficiency ratio of its conveying fluid has valve piezoelectric pump low.Valve piezoelectric pump is had to rely on the flow direction of Valve controlling liquid.When pump work is when inhaling the journey half period, inlet valve is opened, and dump valve cuts out; When pump work is in the scheduling half period, suction valve closure, dump valve is opened.Liquid does not reflux substantially, and operating efficiency is high, but due to the existence of valve, pump structure is complicated, operating frequency cannot improve, and the rate of flow of fluid of conveying is comparatively slow, and pump valve is seriously delayed, and existing piezoelectric pump driving body and the pump housing inseparable, cannot carry and there is corrosive fluid and the sticking liquid of tool, can not split driving mechanism and the pump housing, cleaning difficulty, cannot change separately when driving mechanism or the pump housing damage, maintenance cost is higher.
Utility model content
The purpose of this utility model is to provide one and carries valve separate type piezoelectric fountain pump, and slow with the fluid conveying flow velocity solved existing for existing piezoelectric pump, pump valve is seriously delayed, the problem of inefficiency and difficult clean and maintenance.
The technical scheme realizing the utility model object is: one carries valve separate type piezoelectric fountain pump, comprise driving body and the pump housing, driving body is positioned at the top of the pump housing, driving body comprises cavity, piezoelectric actuator, the first push pedal and the first push rod, piezoelectric actuator, the first push pedal and the first push rod are all arranged on the inside of cavity, piezoelectric actuator is arranged on the top of the first push pedal, and the front end face of piezoelectric actuator is resisted against the upper surface of the first push pedal, and the first push rod is arranged on the below of the first push pedal; The pump housing comprises pump seat, valve rod, disc spring and jet nozzle, fluid cavity is provided with in pump seat, fluid cavity is positioned at the below of the first push rod, valve rod is arranged in fluid cavity, the lower surface of valve rod is pressed in disc spring, and valve rod is under the effect of disc spring, and the upper surface of valve rod is resisted against on the front end face of the first push rod, jet nozzle is arranged on pump seat, and jet nozzle is positioned at the below of valve rod.
As prioritization scheme of the present utility model, first push pedal is provided with fixing hole and flexible hinge, first push pedal is arranged in cavity through fixing hole by the first bolt, flexible hinge is between fixing hole and the front end face of the first push rod, and the first push pedal is rotated around flexible hinge under the driving of piezoelectric actuator.
As prioritization scheme of the present utility model, the front end face of the first push rod is sphere.
As prioritization scheme of the present utility model, pump seat also includes discharge orifice, and inflow hole is connected with fluid cavity.
As prioritization scheme of the present utility model, inflow hole is inverted taper inflow hole.
As prioritization scheme of the present utility model, be provided with spurt hole in jet nozzle, spurt hole is connected with fluid cavity.
As prioritization scheme of the present utility model, spurt hole is inverted tapered injection discharge orifice.
As prioritization scheme of the present utility model, piezoelectric actuator is bolted in cavity by second.
As prioritization scheme of the present utility model, jet nozzle is arranged on pump seat by swivel nut.
The utility model has positive effect: 1) opening and closing of the utility model valve is synchronous with energising with the power-off of driving body, thus avoids the pump valve hysteresis of Common piezoelectricity pump, improves the response frequency of piezoelectric actuator; Being provided with stem structure, by controlling the elongation speed of piezoelectric actuator and the movement velocity of controllable valve bar, when valve quick-make, due to the thrust of valve rod, will high pressure being produced at spurt hole place, thus fluid is sprayed, form jet flow.
2) driving body of the present utility model and the pump housing divide and can be separated, and the first push rod acts on the pump housing by bulb front end face, the moment of torsion of integral type push rod effectively can be avoided to act directly on driving body, improve the life-span of driving body; Meanwhile, adopt separate type can split driving body and the pump housing, when conveying has corrosive fluid and the sticking liquid of tool, effectively can clean the pump housing, thus reduce because the residual impact on pump housing delivery precision; Adopt separate type can reduce due to the driving body life-span expire or the pump housing damage and need complete machine to change, greatly reduce maintenance cost.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Structure chart when Fig. 1 is the energising of the utility model piezoelectric actuator;
Structure chart when Fig. 2 is the power-off of the utility model piezoelectric actuator.
Wherein, 11, cavity, 12, piezoelectric actuator, the 13, first push pedal, 14, the first push rod, the 15, first bolt, the 16, second bolt, 17, swivel nut, 21, pump seat, 22, valve rod, 23, disc spring, 24, jet nozzle, 211, fluid cavity, 221, the lower surface of valve rod, 222, the upper surface of valve rod, 121, the front end face of piezoelectric actuator, 141, the front end face of the first push rod, 131, fixing hole, 132, flexible hinge, 212, inflow hole, 241, spurt hole, 223, the front end face of valve rod.
Detailed description of the invention
As shown in Figure 1, the utility model discloses one and carry valve separate type piezoelectric fountain pump, comprise driving body and the pump housing, driving body is positioned at the top of the pump housing, driving body comprises cavity 11, piezoelectric actuator 12, first push pedal 13 and the first push rod 14, piezoelectric actuator 12, first push pedal 13 and the first push rod 14 are all arranged on the inside of cavity 11, piezoelectric actuator 12 is arranged on the top of the first push pedal 13, the front end face 121 of piezoelectric actuator is resisted against the upper surface of the first push pedal 13, and the first push rod 14 is arranged on the below of the first push pedal 13; The pump housing comprises pump seat 21, valve rod 22, disc spring 23 and jet nozzle 24, fluid cavity 211 is provided with in pump seat 21, fluid cavity 211 is positioned at the below of the first push rod 14, valve rod 22 is arranged in fluid cavity 211, the lower surface 221 of valve rod is pressed in disc spring 23, and valve rod 22 is under the effect of disc spring 23, and the upper surface 222 of valve rod is resisted against on the front end face 141 of the first push rod, jet nozzle 24 is arranged on pump seat 21, and jet nozzle 24 is positioned at the below of valve rod 22.Wherein, the first push pedal 13 and the first push rod 14 are together by a threaded connection.
First push pedal 13 is provided with fixing hole 131 and flexible hinge 132, first push pedal 13 is arranged in cavity 11 through fixing hole 131 by the first bolt 15, flexible hinge 132 is between fixing hole 131 and the front end face 141 of the first push rod, and the first push pedal 13 is rotated around flexible hinge 132 under the driving of piezoelectric actuator 12.Wherein, piezoelectric actuator 12 output displacement, promotes the first push pedal 13 and rotates around flexible hinge 132, drives the first push rod 14 to move simultaneously.
The front end face 141 of the first push rod is sphere, and the first push rod 14 acts on the pump housing by bulb front end face, the moment of torsion of integral type push rod effectively can be avoided to act directly on driving body, improve the life-span of driving body.
Pump seat 21 also includes discharge orifice 212, and inflow hole 212 is connected with fluid cavity 211.Inflow hole 212 is inverted taper inflow hole, facilitates the flowing of fluid.
Be provided with spurt hole 241 in jet nozzle 24, spurt hole 241 is connected with fluid cavity 211.Spurt hole 241 is inverted tapered injection discharge orifice, facilitates the flowing of fluid.
Piezoelectric actuator 12 is fixed in cavity 11 by the second bolt 16, now, the front end face 121 of piezoelectric actuator tightly press against the first push pedal 13.Jet nozzle 24 is arranged on pump seat 21 by swivel nut 17.
Under original state, piezoelectric actuator 12 is in "on" position, and piezoelectric actuator 12 press against the first push pedal 13, valve rod 22 under the effect of the first push rod 14, the front end face 141 of the first push rod tightly press against jet nozzle 24, thus spurt hole 241 to be closed, form valve, as shown in Figure 1.
As shown in Figure 2, when after piezoelectric actuator 12 power-off, piezoelectric actuator 12 starts to shrink under the effect of natural resiliency power; Simultaneously, valve rod 22 moves upward under the effect of disc spring 23, and promote the first push pedal 13 and the first push rod 14 moves around flexible hinge 132, until stop after encountering piezoelectric actuator 12, now valve rod 22 leaves jet nozzle 24, valve open, due to the effect of suction, fluid enters fluid cavity 211 from inflow hole 212.Again be energized to piezoelectric actuator 12, piezoelectric actuator 12 extends under the effect of electric field, promote the first push pedal 13 and the first push rod 14 moves around flexible hinge 132, valve rod 22 is under the thrust of the first push rod 14, move to jet nozzle 24 fast, and the fluid be clipped between the front end face 223 of valve rod and spurt hole 241 is sprayed, subsequently, valve closing, namely carries valve separate type piezoelectric fountain pump and returns to original state.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. one kind carries valve separate type piezoelectric fountain pump, it is characterized in that: described in carry valve separate type piezoelectric fountain pump and comprise driving body and the pump housing, described driving body is positioned at the top of the pump housing, described driving body comprises cavity (11), piezoelectric actuator (12), first push pedal (13) and the first push rod (14), described piezoelectric actuator (12), first push pedal (13) and the first push rod (14) are all arranged on the inside of cavity (11), described piezoelectric actuator (12) is arranged on the top of the first push pedal (13), the front end face (121) of piezoelectric actuator is resisted against the upper surface of the first push pedal (13), described the first push rod (14) is arranged on the below of the first push pedal (13), the described pump housing comprises pump seat (21), valve rod (22), disc spring (23) and jet nozzle (24), fluid cavity (211) is provided with in described pump seat (21), described fluid cavity (211) is positioned at the below of the first push rod (14), described valve rod (22) is arranged in fluid cavity (211), the lower surface (221) of valve rod is pressed in disc spring (23), valve rod (22) is under the effect of disc spring (23), the upper surface (222) of valve rod is resisted against on the front end face (141) of the first push rod, described jet nozzle (24) is arranged on pump seat (21), described jet nozzle (24) is positioned at the below of valve rod (22).
2. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: described the first push pedal (13) is provided with fixing hole (131) and flexible hinge (132), first push pedal (13) is arranged in cavity (11) through fixing hole (131) by the first bolt (15), described flexible hinge (132) is positioned between the front end face (141) of fixing hole (131) and the first push rod, described the first push pedal (13) is rotated around flexible hinge (132) under the driving of piezoelectric actuator (12).
3. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: the front end face (141) of the first described push rod is sphere.
4. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: described pump seat (21) also includes discharge orifice (212), described inflow hole (212) is connected with fluid cavity (211).
5. one according to claim 4 carries valve separate type piezoelectric fountain pump, it is characterized in that: described inflow hole (212) is inverted taper inflow hole.
6. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: be provided with spurt hole (241) in described jet nozzle (24), described spurt hole (241) is connected with fluid cavity (211).
7. one according to claim 6 carries valve separate type piezoelectric fountain pump, it is characterized in that: described spurt hole (241) is inverted tapered injection discharge orifice.
8. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: described piezoelectric actuator (12) is fixed in cavity (11) by the second bolt (16).
9. one according to claim 1 carries valve separate type piezoelectric fountain pump, it is characterized in that: described jet nozzle (24) is arranged on pump seat (21) by swivel nut (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003446.6U CN205183002U (en) | 2015-12-07 | 2015-12-07 | From taking valve disconnect -type piezoelectricity jet -pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003446.6U CN205183002U (en) | 2015-12-07 | 2015-12-07 | From taking valve disconnect -type piezoelectricity jet -pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205183002U true CN205183002U (en) | 2016-04-27 |
Family
ID=55776038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521003446.6U Active CN205183002U (en) | 2015-12-07 | 2015-12-07 | From taking valve disconnect -type piezoelectricity jet -pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205183002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381901A (en) * | 2015-12-07 | 2016-03-09 | 常州高凯精密机械有限公司 | Separation type piezoelectric jet pump provided with valve |
-
2015
- 2015-12-07 CN CN201521003446.6U patent/CN205183002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381901A (en) * | 2015-12-07 | 2016-03-09 | 常州高凯精密机械有限公司 | Separation type piezoelectric jet pump provided with valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2569522B1 (en) | Device for reducing pollutants in the exhaust gas flow of an internal combustion engine | |
| CN205183002U (en) | From taking valve disconnect -type piezoelectricity jet -pump | |
| CN204187101U (en) | High stability piston flow-adjustable valve | |
| CN201650709U (en) | Hydraulic control valve | |
| CN105965319A (en) | Oil-air lubricating device | |
| CN105381901A (en) | Separation type piezoelectric jet pump provided with valve | |
| CN106863148B (en) | Device for driving solid-liquid two-phase flow to form abrasive material jet flow based on electromagnetic mechanism | |
| CN201519646U (en) | Dispensing valve | |
| CN103470385B (en) | Low-speed marine diesel engine high-pressure common rail fuel injection control systems | |
| CN202023724U (en) | Automatic control switch device for motor in cleaning machine | |
| CN102616889B (en) | Reverse osmosis (RO) automatic pressurization device and RO automatic pressurization water storage tank | |
| CN205859263U (en) | Lift check valve | |
| CN205315220U (en) | Plunger type piezoelectric stack pump | |
| CN100557231C (en) | Electrohydraulic synchronous cylinder type valve servo synchronous control system | |
| CN2881239Y (en) | Electromagnetic valve | |
| CN204201243U (en) | Valve control mechanism | |
| CN2608788Y (en) | Multifunctional waterpower control valve | |
| CN202946284U (en) | Electronic unit pump used for diesel engine | |
| CN103195700A (en) | High-pressure pump valve seat | |
| CN203176069U (en) | Flexible unloading hydraulic system | |
| CN208900747U (en) | A kind of big flow shut-off valve assemblies | |
| CN101745484A (en) | Precise glue dispensing valve | |
| CN2618016Y (en) | Multifunctional fluid controlled valves | |
| CN109826993A (en) | A kind of wisdom regulating valve | |
| CN109899048A (en) | A kind of pressure break impulse generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Separation type piezoelectric jet pump provided with valve Effective date of registration: 20170609 Granted publication date: 20160427 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Gaokai Precision Machinery Co., Ltd. Registration number: 2017990000480 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180713 Granted publication date: 20160427 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Gaokai Precision Machinery Co., Ltd. Registration number: 2017990000480 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213164 South Building 1201, Huiyan Building, Science and Education City, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Gaokai Precision Technology Co., Ltd. Address before: 213164 South Building 1201, Huiyan Building, Science and Education City, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Gaokai Precision Machinery Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213164 Jiangsu city of Changzhou Province Science City Wujin District Hui South 1201 floor. Patentee after: Jiangsu GaoKai precision fluid technology Co., Ltd Address before: 213164 Jiangsu city of Changzhou Province Science City Wujin District Hui South 1201 floor. Patentee before: Changzhou Gaokai Precision Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |