CN209249483U - Piezoelectric actuator buffer structure and fine liquid drop spray device comprising the buffer structure - Google Patents
Piezoelectric actuator buffer structure and fine liquid drop spray device comprising the buffer structure Download PDFInfo
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- CN209249483U CN209249483U CN201920167269.7U CN201920167269U CN209249483U CN 209249483 U CN209249483 U CN 209249483U CN 201920167269 U CN201920167269 U CN 201920167269U CN 209249483 U CN209249483 U CN 209249483U
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- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 239000007921 spray Substances 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 18
- 230000003139 buffering effect Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 23
- 238000009434 installation Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
Fine liquid drop spray device the utility model relates to piezoelectric actuator buffer structure and comprising the buffer structure.The perforation for wearing and fixing piezoelectric actuator is equipped in the middle part of piezoelectric actuator buffer structure, perforation is surround by the bolster of several elasticity and formed；Gap is equipped between adjacent buffer part.Bolster has elasticity in the technical solution of the utility model, and piezoelectric actuator is surround, the motion-promotion force of piezoelectric actuator can be buffered, and then slows down the active force that piezoelectric actuator hits other devices；Pressing force is provided simultaneously, makes piezoelectric actuator during ultrasonic vibration, is in close contact always with other devices.Furthermore bolster is looped around piezoelectric actuator periphery with good supporting function, and can limit the movement in other directions of the piezoelectric actuator other than direction of primary motion, direction of primary motion response faster.
Description
Technical field
The utility model relates to the technical field of piezoelectric actuator, more particularly, to piezoelectric actuator buffer structure and comprising
The fine liquid drop spray device of the buffer structure.
Background technique
Piezoelectric actuator is by having the characteristic for applying voltage and deforming and (extending, shrink) using piezoelectric ceramics, extensively
It is general focused for automatic in cell phone camera module, the position control apparatus such as the image stabilization system of digital camera.
Not only size is small for piezoelectric actuator, slim, and has the characteristics that high displacement, does for miniaturization, the slimming of module
Contribution is gone out.
Above-mentioned advantage based on piezoelectric actuator, the application field of piezoelectric actuator is also more and more, as in some devices
The injection of microlayer model can be activated by piezoelectric actuator and transfer energy to liquid, spray liquid from micropore, to convert
At fine liquid drop spray stream, this fine liquid drop spray apparatus structure is simple, and occupancy is small in size, and the drop ejected also compares
It is more uniform；But the device of control fine liquid drop spray speed accurate for some needs, it is necessary to accurately control piezoelectric actuator
Otherwise the energy size of transmitting the excessive velocities of fine liquid drop spray or can all have certain adverse effect slowly excessively.
Utility model content
The purpose of this utility model one is to provide piezoelectric actuator buffer structure, can more accurately be controlled by buffer structure
The energy of piezoelectric actuator actuating processed, meets to fine liquid drop spray speed more precise control.
This practical purpose one has the technical scheme that piezoelectric actuator buffer structure, and middle part is equipped with
For wearing and fixing the perforation of piezoelectric actuator, perforation is surround by the bolster of several elasticity and is formed；Adjacent buffer part it
Between be equipped with gap.
By using above-mentioned technical proposal, bolster has elasticity, piezoelectric actuator is surround, can be buffered piezoelectric actuated
The motion-promotion force of device, and then slow down the active force that piezoelectric actuator hits other devices；In actual production, be difficult by program come
The motion-promotion force size of control piezoelectric actuator, and the buffer function for passing through bolster, so that it may a part of actuator power is offset,
The active force that piezoelectric actuator hits other devices is detected by detection device again, adjusts the buffer function power of bolster
More precise control piezoelectric actuator can be more preferable by providing more accurate suitable impact force to the impact force of other devices
Really for pressure maintaining electric actuator after vibration work again and again, the combination of piezoelectric actuator and other devices is not easy pine
It is dynamic, also it is not easy tension and causes other devices by piezoelectric actuator collision deformation.Flexible assembly is compared with rigid assembly after tested
The accuracy of manufacture is required lower；Pressing force is also provided simultaneously, makes piezoelectric actuator during ultrasonic vibration, is filled always with other
Set close contact.
Furthermore bolster is looped around piezoelectric actuator periphery with good supporting function, and can limit piezoelectric actuator
The movement in other directions other than direction of primary motion, energy loss is small, direction of primary motion response faster；Between bolster
Gap not only facilitated wearing for piezoelectric actuator, but also can be good at limit and support piezoelectric actuator, delay in the operating condition
It is also more preferable to rush effect, energy loss can be reduced.
Also certain buffer function can be played when assembling piezoelectric actuator, the rigidity that piezoelectric actuator hits other devices is made
It is firmly smaller.
The utility model is further arranged to: several bolsters are connected on the same annulus far from one end of perforation.
It by using above-mentioned technical proposal, is on the one hand more uniformly stressed, the service life of buffer structure is also longer, another
Aspect also saves material and space, and preparation is also more convenient.
The utility model is further arranged to: bolster includes the linkage section being connected on annulus and the abutting close to perforation
Section, the thickness of connecting section are greater than the thickness of linkage section.
By using above-mentioned technical proposal, connecting section is directly contacted with piezoelectric actuator, and directly bears piezoelectric actuator
Vibration, required intensity is bigger, therefore thickness is thicker is conducive to extend service life.And linkage section will not touch piezoelectricity cause
Dynamic device will not generate inhibiting effect to piezoelectric actuator, conducive to the vibration frequency for keeping piezoelectric actuator to set.
The utility model is further arranged to: gap is set between two adjacent connecting sections, two adjacent linkage sections
Between be equipped with relief hole.
By using above-mentioned technical proposal, material is on the one hand saved, another aspect linkage section also has certain buffer function,
Integrated buffer effect is more preferable.
The utility model is further arranged to: annulus is equipped with locating piece close to the position of relief hole.
By using above-mentioned technical proposal, locating piece is convenient for the installation of buffer structure, and buffer structure, which is mounted on needs, to be made
With the rotation or sliding that on the product of piezoelectric actuator, also can be good at limiting annulus, energy loss is reduced.
The utility model is further arranged to: bolster is arranged four, and middle connecting segment is set as rectangular-shape, connecting section
One end far from linkage section is set as arc-shaped, and the arc-shaped center of circle is on the center line of annulus.
By using above-mentioned technical proposal, one end of connecting section contact piezoelectric actuator is set as arc-shaped, is in contact with it
Area is bigger, and buffering effect is more preferable, and four bolsters are arranged, and the dispersion of power is relatively uniform in buffering course；Linkage section is set
Be set to cuboid, i.e., conveniently keep away position, and linkage section bend deformation when do not allow easy fracture.
The utility model is further arranged to: the locating piece is equipped with reinforcer close to one end of relief hole, and reinforcer is set
In relief hole, and the plane formed with reinforcer and linkage section is in same plane.
By using above-mentioned technical proposal, during using piezoelectric actuator, buffer structure is constantly subjected to vibration
Power, reinforcer can be good at increasing the structural strength of locating piece, and conducive to the service life for extending buffer structure, reinforcer is located at
In relief hole, space is saved, structure is more compact.Reinforcer can also have certain effect of blocking to internal structure, more pacify
Entirely, beautiful.
The utility model is further arranged to: piezoelectric actuator buffer structure further includes conduct piece, and conduct piece includes positioning
Ring and positioning ring center is opened in for wearing the location hole of piezoelectric actuator, connect flexible conductive sheet on positioning ring；If
Dry conductive sheet is arranged around location hole；Bolster and conduct piece are arranged side by side successively to be passed through for piezoelectric actuator.
By using above-mentioned technical proposal, elastic conducting strip has elasticity, and is arranged around location hole, piezoelectric actuator
It across location hole, can preferably guarantee the satisfactory electrical conductivity of piezoelectric actuator during the motion, and then realize microlayer model more
Stable injection.
The buffer capacity of buffer structure is enhanced in one degree of conduct piece, also functions to certain supporting role, piezoelectricity is caused
Dynamic device has triple protection effect.
The utility model is further arranged to: several conductive sheet intervals are arranged and are uniformly distributed, and conductive sheet is to far from slow
The direction of stamping extends, and one end of the remotely located ring of conductive sheet extends to the direction of the central axis of location hole.
By using above-mentioned technical proposal, conductive sheet is more uniformly stressed, it is not easy to it damages, and conductive effect is more preferable,
The vibrating effect of piezoelectric actuator direction of primary motion is influenced smaller；One end of the remotely located ring of conductive sheet is to the center of location hole
The direction of axis extends, and facilitates insertion into piezoelectric actuator, it is not easy to extract, installation effect is more preferable.
The utility model is further arranged to: several conductive sheets are around forming taper, and conductive sheet is towards location hole
It is set as cambered surface or plane on one side.
By using above-mentioned technical proposal, taper setting facilitates insertion into piezoelectric actuator, it is not easy to extract, installation effect is more
It is good；Cambered surface and being bonded for piezoelectric actuator are more preferable, and then conductive effect is also more preferable.Plane manufacture craft is simple.
The purpose of this utility model two is to provide a kind of fine liquid drop spray device, is equipped with piezoelectric actuator buffer structure,
It is more preferable to the protection of piezoelectric actuator, it is conducive to extend service life.
The purpose of this utility model two has the technical scheme that a kind of fine liquid drop spray device, packet
Shell and fluid supply unit are included, fluid supply unit is equipped with piezoelectric actuator, between piezoelectric actuator and fluid supply unit
Equipped with piezoelectric actuator buffer structure described in above scheme.
By using above-mentioned technical proposal, piezoelectric actuator actuating transfers energy to fluid supply unit, fluid supply
Liquid vibration in unit, microlayer model is spouting from fluid supply unit, and structure is simple, easy to operate；It is piezoelectric actuated
Device buffer structure can be good at buffering the rigid collision of piezoelectric actuator and fluid supply unit, extend piezoelectric actuator and stream
The service life of body supply unit.
In conclusion the advantageous effects of the utility model are as follows:
1. bolster has elasticity, piezoelectric actuator is surround, the motion-promotion force of piezoelectric actuator can be buffered, and then is subtracted
Slow piezoelectric actuator hits the active force of other devices；In actual production, it is difficult to control the fortune of piezoelectric actuator by program
Dynamic power size, and the buffer function for passing through bolster, so that it may offset a part of actuator power, then be detected by detection device
Piezoelectric actuator hits the active force of other devices, adjusts the buffer function power of bolster, can the cause of more precise control piezoelectricity
Impact force of the dynamic device to other devices.
2. bolster is looped around piezoelectric actuator periphery with good supporting function, and can limit piezoelectric actuator and exist
The movement in other directions other than direction of primary motion, energy loss is small, direction of primary motion response faster；Between bolster
Gap had not only facilitated wearing for piezoelectric actuator, but also can be good at limiting and supporting piezoelectric actuator, buffered in the operating condition
Effect is also more preferable, can reduce energy loss.
3. conduct piece conductive effect is good, and further enhances the buffer capacity of buffer structure, certain branch is also functioned to
Support effect, has double protection to piezoelectric actuator.
Detailed description of the invention
Fig. 1 is the schematic diagram of piezoelectric actuator buffer structure in embodiment 1；
Fig. 2 is the schematic diagram of piezoelectric actuator and its buffer structure in fine liquid drop spray device in embodiment 2；
Fig. 3 is that piezoelectric actuator buffer structure is mounted on the structural schematic diagram in fine liquid drop spray device in embodiment 2；
Fig. 4 is the schematic diagram of piezoelectric actuator buffer structure in embodiment 3；
Fig. 5 is the structural schematic diagram of conductive sheet in embodiment 3.
In figure, 11, annulus；111, fixing end；112, elastic mounting ring；12, bolster；121, linkage section；122, it abuts
Section；123, gap；124, relief hole；13, it perforates；14, locating piece；141, reinforcer；15, positioning ring；151, location hole；152,
Installation end；16, conductive sheet；2, fixing bolt；3, piezoelectric actuator；31, disk is supported；32, card slot；33, inserting paragraph；4, protective shell；41,
Installation set；42, elastic bail wire；5, mounting plate；6, fluid supply unit；61, go out liquid disk；7, shell.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-4 and embodiment.
Embodiment 1
Piezoelectric actuator buffer structure, as shown in Figure 1, middle part is equipped with the perforation for wearing and fixing piezoelectric actuator 3
13, perforation 13 is surround by the bolster 12 of several elasticity and is formed；Gap 123 is equipped between adjacent buffer part 12.Several are slow
Stamping 12 is connected on the same annulus 11 far from one end of perforation 13, the setting of the interval of bolster 12, and on annulus 11 uniformly
Distribution, buffer structure are more uniformly stressed.
Bolster 12 has elasticity, and piezoelectric actuator 3 is surround, can buffer the motion-promotion force of piezoelectric actuator 3, in turn
Slow down the active force that piezoelectric actuator 3 hits other devices；In actual production, it is difficult to control piezoelectric actuator 3 by program
Motion-promotion force size, and pass through the buffer function of bolster 12, so that it may offset a part of actuator power, then set by detection
Standby detection piezoelectric actuator 3 hits the active force of other devices, adjusts the buffer function power of bolster 12, can more accurately control
Piezoelectric actuator 3 processed can preferably ensure piezoelectricity by providing more accurate suitable impact force to the impact force of other devices
After vibration work again and again, the combination of piezoelectric actuator 3 and other devices is not easy to loosen actuator 3, does not also allow
Easy tension and cause other devices by 3 collision deformation of piezoelectric actuator.Flexible assembly is compared with rigidity assembly to manufacture essence after tested
Degree requires lower.Pressing force is also provided simultaneously, makes piezoelectric actuator 3 during ultrasonic vibration, it is close with other devices always
Contact.
Furthermore bolster 12, which is looped around 3 periphery of piezoelectric actuator, has good supporting function, and can limit piezoelectricity cause
The movement in dynamic other directions of the device 3 other than direction of primary motion, energy loss is small, direction of primary motion response faster；Buffering
Gap 123 between part 12 had not only facilitated wearing for piezoelectric actuator 3, but also can be good at limiting and supporting piezoelectric actuator 3,
Buffering effect is also more preferable under working condition, can reduce energy loss.
Also certain buffer function can be played when assembling piezoelectric actuator 3, piezoelectric actuator 3 hits the rigidity of other devices
Active force is smaller.
Bolster 12 includes the linkage section 121 being connected on annulus 11 and the connecting section 122 close to perforation 13, connecting section
122 thickness is greater than the thickness of linkage section 121.Connecting section 122 is directly contacted with piezoelectric actuator 3, and is directly born piezoelectricity and caused
The vibration of dynamic device 3, required intensity is bigger, therefore thickness is thicker is conducive to extend service life.Bolster 12 is arranged four, wherein
Linkage section 121 is set as rectangular-shape, and connecting section 122 is set as arc-shaped far from one end of linkage section 121, the arc-shaped center of circle
On the center line of annulus 11.
One end that connecting section 122 contacts piezoelectric actuator 3 is set as arc-shaped, and it is bigger to be in contact with it area, buffering effect
More preferably, and four bolsters 12 are set, the dispersion of power is relatively uniform in buffering course；Linkage section 121 is set as cuboid, i.e.,
Conveniently keep away position, and linkage section 121 bend deformation when do not allow easy fracture.
In conjunction with shown in 2, piezoelectric actuator 3 includes the inserting paragraph 33 of insertion perforation 13 and is against the remotely located ring of annulus 11
Disk 31 is supported in 15 sides, and to card slot 32 is offered between disk 31 and inserting paragraph 33, bolster 12 is connected in card slot 32.
The thickness of connecting section 122 is greater than the thickness of linkage section 121, and linkage section 121 will not be contacted with disk 31 is supported, will not be to pressure
Electric actuator 3 generates inhibiting effect, conducive to the vibration frequency for keeping piezoelectric actuator 3 to set.
Gap 123 is set between two adjacent connecting sections 122, and relief hole is equipped between two adjacent linkage sections 121
124.On the one hand material is saved, another aspect linkage section 121 also has certain buffer function, and integrated buffer effect is more preferable.
Annulus 11 is equipped with locating piece 14 close to the position of relief hole 124.Locating piece 14 is convenient for the installation of buffer structure, will delay
It rushes structure to be mounted on the product needed using piezoelectric actuator 3, also can be good at the rotation or sliding that limit annulus 11, subtract
Few energy loss.
It is set on annulus 11 there are two the fixing end 111 being oppositely arranged, for fixing buffer structure, buffer structure is more difficult
Sliding, buffering effect are also more preferable.
Piezoelectric actuator buffer structure further includes conduct piece combined with Figure 1 and Figure 2, and conduct piece includes positioning ring 15 and opens up
It is used to wear the location hole 151 of piezoelectric actuator 3 in 15 center of positioning ring, connects flexible conductive sheet 16 on positioning ring 15；
Several conductive sheets 16 are arranged around location hole 151；Bolster 12 and conduct piece are arranged side by side successively to be worn for piezoelectric actuator 3
It crosses.
Elastic conducting strip 16 has elasticity, and is arranged around location hole 151, and piezoelectric actuator 3 passes through location hole 151,
It can preferably guarantee the satisfactory electrical conductivity of piezoelectric actuator 3 during the motion, and then realize the more stable injection of microlayer model.
The buffer capacity of buffer structure is enhanced in one degree of conduct piece, also functions to certain supporting role, has three to piezoelectric actuator 3
Protective effect again.
Several conductive sheets 16 interval is arranged and is uniformly distributed, and conductive sheet 16 extends to the direction far from bolster 12, and
The direction of central axis of the one end of the remotely located ring 15 of conductive sheet 16 to location hole 151 extends.
Conductive sheet 16 is more uniformly stressed, it is not easy to it damages, the cushion effect that piezoelectric actuator 3 receives is also more uniform, and
And conductive effect is more preferable, influences on the vibrating effect of 3 direction of primary motion of piezoelectric actuator smaller；The remotely located ring 15 of conductive sheet 16
Central axis from one end to location hole 151 direction extend, facilitate insertion into piezoelectric actuator 3, it is not easy to extract, installation effect
More preferably.
Several conductive sheets 16 surround and form taper, and conductive sheet 16 is set as cambered surface towards location hole 151 on one side.It leads
The taper setting of electric piece 16 facilitates insertion into piezoelectric actuator 3, it is not easy to extract, installation effect is more preferable；Cambered surface and piezoelectric actuator 3
Fitting it is more preferable, and then conductive effect is also more preferable.
15 one end of positioning ring extends to form installation end 152, bolster 12 and conduct piece can be mounted together, installation end
152 and the fixing end 111 of the same side wear the same fixing bolt 2, fixed effect is more preferable, and structure is also more compact.Installation end 152
Also access is formed respectively as conductive both ends with conductive sheet 16.
Bolster 12 is arranged 4 in the present embodiment, and conductive sheet 16 is arranged 3, and is installed rear one of conductive sheet
16 face gaps 123, the stress of piezoelectric actuator 3 is also more uniform, and the buffering effect of buffer structure is more preferable.
Embodiment 2
A kind of fine liquid drop spray device, as shown in 2, the protective shell 4 including being located at piezoelectric actuator 3, protective shell 4 is wrapped
It includes for being arranged the installation set 41 to disk 31,41 inner wall of installation set is equipped with elastic bail wire 42, and 11 periphery of annulus, which is surround, to be installed with
Elastic mounting ring 112, elastic bail wire 42 and elastic mounting ring 112 all further enhance the peace of annulus 11 Yu installation set 41
Dress.
Fine liquid drop spray device further includes the mounting plate 5 for fixing fixing bolt 2, realizes piezoelectric actuator buffer structure
Stronger installation.Fluid supply unit 6 is installed below mounting plate 5, is equipped with liquid disk 61, pressure in the middle part of fluid supply unit 6
Electric actuator 3 is bonded out liquid disk 61, and the one side that liquid disk 61 is bonded with piezoelectric actuator 3 out is sheet metal, and elasticity is good, transmits energy
Effect is more preferable；Micropore is offered in one side of the liquid disk 61 far from piezoelectric actuator 3 out, convenient for the injection of microlayer model.
In conjunction with Fig. 2 and Fig. 3, fine liquid drop spray device further includes shell 7, for protecting piezoelectric actuator 3 and piezoelectric actuated
Device buffer structure etc..The actuating of piezoelectric actuator 3 transfers energy to fluid supply unit 6, the liquid vibration in fluid supply unit 6
Dynamic, microlayer model is spouting from fluid supply unit 6, and structure is simple, easy to operate；3 buffer structure energy of piezoelectric actuator
The collision of enough buffering well piezoelectric actuator 3 and fluid supply unit 6, extension piezoelectric actuator 3 and fluid supply unit 6
Service life.
Embodiment 3
Piezoelectric actuator buffer structure, as shown in figure 4, embodiment 3 is difference from example 1 is that locating piece 14 leans on
One end of nearly relief hole 124 is equipped with reinforcer 141, and reinforcer 141 is located in relief hole 124, and with reinforcer 141 and linkage section
121 planes formed are in same plane.During using piezoelectric actuator 3, buffer structure is constantly subjected to vibration
Power, reinforcer 141 can be good at increasing the structural strength of locating piece 14, conducive to the service life for extending buffer structure, reinforce
Part 141 is located in relief hole 124, saves space, and structure is more compact.
As shown in figure 5, conductive sheet 16 is set as plane towards location hole 151 on one side.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. piezoelectric actuator buffer structure, characterized in that middle part is equipped with the perforation for wearing and fixing piezoelectric actuator (3)
(13), perforation (13) is surround by the bolster (12) of several elasticity and is formed；Gap is equipped between adjacent buffer part (12)
(123)。
2. piezoelectric actuator buffer structure according to claim 1, characterized in that several bolsters (12) are far from perforation
(13) one end is connected on the same annulus (11).
3. piezoelectric actuator buffer structure according to claim 2, characterized in that bolster (12) includes being connected to annulus
(11) thickness of the linkage section (121) on and the connecting section (122) close to perforation (13), connecting section (122) is greater than linkage section
(121) thickness.
4. piezoelectric actuator buffer structure according to claim 3, characterized in that gap (123) are set to two adjacent
Between connecting section (122), relief hole (124) are equipped between two adjacent linkage sections (121).
5. piezoelectric actuator buffer structure according to claim 4, characterized in that annulus (11) is close to relief hole (124)
Position be equipped with locating piece (14).
6. piezoelectric actuator buffer structure according to claim 3, characterized in that bolster (12) is arranged four, wherein
Linkage section (121) is set as rectangular-shape, and connecting section (122) is set as arc-shaped far from the one end of linkage section (121), arc-shaped
The center of circle on the center line of annulus (11).
7. piezoelectric actuator buffer structure according to claim 1 to 6, characterized in that piezoelectric actuator buffering
Structure further includes conduct piece, and conduct piece includes positioning ring (15) and is opened in positioning ring (15) center for wearing piezoelectric actuator
(3) location hole (151) connects flexible conductive sheet (16) on positioning ring (15)；Several conductive sheets (16) are around positioning
Hole (151) setting；Bolster (12) and conduct piece are arranged side by side successively to be passed through for piezoelectric actuator (3).
8. piezoelectric actuator buffer structure according to claim 7, characterized in that several conductive sheets (16) interval is set
It sets and is uniformly distributed, conductive sheet (16) extends to the direction far from bolster (12), and conductive sheet (16) remotely located ring (15)
Central axis from one end to location hole (151) direction extend.
9. piezoelectric actuator buffer structure according to claim 8, characterized in that several conductive sheets (16) are around formation
Taper, and conductive sheet (16) is set as cambered surface or plane towards location hole (151) on one side.
10. a kind of fine liquid drop spray device, including shell (7) and fluid supply unit (6), fluid supply unit (6) is equipped with pressure
Electric actuator (3), characterized in that be equipped between piezoelectric actuator (3) and fluid supply unit (6) any in claim 1-6
Piezoelectric actuator buffer structure described in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920167269.7U CN209249483U (en) | 2019-01-30 | 2019-01-30 | Piezoelectric actuator buffer structure and fine liquid drop spray device comprising the buffer structure |
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| CN201920167269.7U CN209249483U (en) | 2019-01-30 | 2019-01-30 | Piezoelectric actuator buffer structure and fine liquid drop spray device comprising the buffer structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545398A (en) * | 2020-05-18 | 2020-08-18 | 安徽众衣联供应链管理服务有限公司 | Light protective clothing PVC coating device |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545398A (en) * | 2020-05-18 | 2020-08-18 | 安徽众衣联供应链管理服务有限公司 | Light protective clothing PVC coating device |
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