CN206845436U - A kind of two-chamber piezoelectric micro air pump - Google Patents
A kind of two-chamber piezoelectric micro air pump Download PDFInfo
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- CN206845436U CN206845436U CN201720378070.XU CN201720378070U CN206845436U CN 206845436 U CN206845436 U CN 206845436U CN 201720378070 U CN201720378070 U CN 201720378070U CN 206845436 U CN206845436 U CN 206845436U
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- piezoelectric vibrator
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- main bearing
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Abstract
A kind of two-chamber piezoelectric micro air pump,Including lid,Housing and pump core component,Pump core component includes main bearing,Secondary bearing,First piezoelectric vibrator,Second piezoelectric vibrator,First entrance valve,First outlet valve,Second entrance valve,Second outlet valve,First resilient bilayers sealing ring and the second resilient bilayers sealing ring,First piezoelectric vibrator is pressed on main bearing in advance by one layer of double-layer seal rings,Lid is supported by another layer,Second piezoelectric vibrator is pressed on secondary bearing in advance by one layer of double-layer seal rings,Housing is supported by another layer,Lid and/or housing are provided with limit rib,Main bearing is provided with annular muscle,Annular muscle is interference fitted with limit rib,Main bearing and the first resilient bilayers sealing ring,The space that first piezoelectric vibrator surrounds forms the first variable cavity,Secondary bearing and the second resilient bilayers sealing ring,The space that second piezoelectric vibrator surrounds forms the second variable cavity.Two-chamber piezoelectric micro air pump flow of the present utility model is big, noise is low, has very high practical value.
Description
Technical field
Pump field is the utility model is related to, more particularly to a kind of piezoelectricity air pump.
Background technology
The advantages that voltage electrical pump volume is small, in light weight, noise is low, long lifespan, in some fields by increasing green grass or young crops
Look at, such as Shui nationality market, it is as oxygen increasing pump, and all traditional oxygen increasing pump of its These characteristics can not be accomplished, so more and more
Consumer traditional oxygen increasing pump is substituted for piezoelectricity oxygen increasing pump；Although piezoelectricity air pump has many advantages, such as, its flow is low to be
The defects of it is maximum, small fishbowl is typically only applicable to, in order to improve its flow, occurs more driving multi-cavity piezoelectricity air pumps in succession,
But although flow has obtained large increase, therefore noise also becomes big, thus can not obtain the favor of some consumers.
The content of the invention
To solve the problems, such as that existing two-chamber piezoelectricity air pump noise is excessive, spy's offer one kind can significantly reduce makes an uproar the utility model
The two-chamber piezoelectric micro air pump of sound.
A kind of two-chamber piezoelectric micro air pump of the present utility model, including lid, housing, the pump between lid and housing
Core assembly, the pump core component include main bearing, the first pressure with the secondary bearing of main bearing secure fit, on main bearing
Electric tachometer indicator, the second piezoelectric vibrator on secondary bearing, the first entrance valve on main bearing and first outlet valve, with
And second entrance valve and second outlet valve on secondary bearing；The pump core component also includes the first resilient bilayers sealing ring
With the second resilient bilayers sealing ring, the first resilient bilayers sealing ring is wrapped on the perimeter of the first piezoelectric vibrator, institute
State the first piezoelectric vibrator to be pressed in advance on main bearing by one layer of double-layer seal rings, lid is supported by another layer of double-layer seal rings
Body, the second resilient bilayers sealing ring are wrapped on the perimeter of the second piezoelectric vibrator, and second piezoelectric vibrator passes through
One layer of double-layer seal rings is pressed on secondary bearing in advance, and housing, the lid and/or shell are supported by another layer of double-layer seal rings
Body is provided with limit rib, and the main bearing is provided with annular muscle, and the annular muscle is matched somebody with somebody with the limit rib interference on lid and/or housing
Close, the space that the main bearing and the first resilient bilayers sealing ring, the first piezoelectric vibrator surround forms the first variable cavity, described
The space that secondary bearing and the second resilient bilayers sealing ring, the second piezoelectric vibrator surround forms the second variable cavity；Ambient atmos lead to
Cross first entrance valve and second entrance valve respectively enter the first variable cavity and the second variable cavity, and by first outlet valve and
Outside second outlet valve excavationg pump.
By further improving, the lid and/or housing are provided with air admission hole and accommodating chamber, disposed in the accommodating chamber
There is filter cotton, ambient atmos are entered in pump by air admission hole, and are filtered by filter cotton.
By further improving, the lid and housing are integrally fixed by ultrasonic bonding.
By the technical scheme of two-chamber piezoelectric micro air pump of the present utility model, pump core component mainly passes through the first bullet
Property double-layer seal rings, the second resilient bilayers sealing ring and main bearing annular muscle connection is contacted with lid and/or housing, so as to
Caused vibration mainly passes through the first resilient bilayers sealing ring, the second resilient bilayers sealing ring and main branch during pump core component operation
Seat is delivered on lid and/or housing, and the first resilient bilayers sealing ring and the second resilient bilayers sealing ring are flexible, serve
Good damping effect, the vibrational energy being delivered on lid and/or housing are effectively weakened, and on lid and/or housing
Provided with limit rib, annular muscle and the limit rib of lid and/or housing of main bearing are interference fitted, and are led to so as to vibrate in the contact position
Side wall transmission is crossed, further can transmit energy, therefore vibrating because of pump core component passes to lid and housing by damping vibration
To effectively controlling, so the noise of two-chamber piezoelectric micro air pump can be significantly reduced.
Brief description of the drawings
Fig. 1 is a kind of stereogram of a kind of embodiment of two-chamber piezoelectric micro air pump provided by the utility model.
Fig. 2 is the A-A sectional views shown in Fig. 1.
Fig. 3 is the A-A sectional views of the partial enlargement shown in Fig. 2.
Fig. 4 is the B-B sectional views shown in Fig. 1.
Fig. 5 is the C-C sectional views shown in Fig. 1.
Fig. 6 is a kind of explosive view of a kind of embodiment of two-chamber piezoelectric micro air pump provided by the utility model.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 6, a kind of two-chamber piezoelectric micro air pump of the present embodiment, including lid 1, housing 2, positioned at lid
Pump core component between body 1 and housing 2, secondary bearing 4 of the pump core component including main bearing 3 and the main secure fit of bearing 3,
The first piezoelectric vibrator 5a on main bearing 3, the second piezoelectric vibrator 5b on secondary bearing 4, installed in main bearing 3
On first entrance valve 6a and first outlet valve 6b and second entrance valve 6c and second outlet valve on secondary bearing 4
6d；The pump core component also includes the first resilient bilayers sealing ring 7a and the second resilient bilayers sealing ring 7b, first elasticity
Double-layer seal rings 7a is wrapped on the first piezoelectric vibrator 5a perimeter, and the first piezoelectric vibrator 5a passes through double-layer seal rings
One layer be pressed in advance on main bearing 3, lid 1, the second resilient bilayers sealing ring are supported by another layer of double-layer seal rings
7b is wrapped on the second piezoelectric vibrator 5b perimeter, one layer of precompressed that the second piezoelectric vibrator 5b passes through double-layer seal rings
On secondary bearing 4, housing 2 is supported by another layer of double-layer seal rings, the present embodiment is provided with the first limit rib on lid 1
11, the second limit rib 21 is provided with housing 2, naturally it is also possible to limit rib, the main branch are only provided with lid 1 or housing 2
Seat 3 is provided with annular muscle 31, and the annular muscle 31 is interference fitted with the first limit rib 11 and the second limit rib 21 respectively, the main branch
The space that the resilient bilayers sealing ring 6a of seat 3 and first, the first piezoelectric vibrator 5a are surrounded forms the first variable cavity 8a, the secondary branch
The space that the resilient bilayers sealing ring 6b of seat 4 and second, the second piezoelectric vibrator 5b are surrounded forms the second variable cavity 8b；When the first pressure
After electric tachometer indicator 5a and the second piezoelectric vibrator 5b obtains alternating current by cable 10（The piezoelectric vibrator of cable 10 and first is not drawn into figure
The part that 5a and the second piezoelectric vibrator 5b are connected）, ambient atmos are entered respectively by first entrance valve 6a and second entrance valve 6c
Enter the first variable cavity 8a and the second variable cavity 8b, the present embodiment is provided with passing away 32, the first variable chamber on main support 3
Gas in body 8a and the second variable cavity 8b is pooled to passing away 32 simultaneously by first outlet valve 6b and second outlet valve 6d
Outside excavationg pump, the passing away 32 of the present embodiment is arranged on main bearing 3, formed with an accommodating chamber between main bearing and secondary bearing
33, accommodating chamber 33 is sealed by sealing ring 8.
Ambient atmos enter in pump, can be entered by the gap between lid 1 and housing 2, can also pass through cable 10
Gap between lid 1 and/or housing 2 enters, or the air admission hole by specially being set on lid 1 and/or housing 2 enters
Enter, the present embodiment is provided with air admission hole 22 on housing 2, and in order to prevent dust from blocking, the present embodiment is provided with accommodating chamber on lid 1
23, it also is provided with accommodating chamber on housing 2（Do not shown in figure）, the accommodating chamber of lid 1 and housing 2 is used to place filter cotton 9, extraneous
When gas such as air is entered in pump by air admission hole 22, filtered by filter cotton 9.
In order to improve the uniformity of two-chamber piezoelectric micro air pump performance, the lid 1 and housing 2 of the present embodiment, which pass through, to be surpassed
Sound wave welding is integrally fixed.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement within the spirit and principle of utility model etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of two-chamber piezoelectric micro air pump, including lid（1）, housing（2）, positioned at lid（1）And housing（2）Between pump core
Component, the pump core component include main bearing（3）And main bearing（3）The secondary bearing of secure fit（4）, installed in main bearing（3）
On the first piezoelectric vibrator（5a）, installed in secondary bearing（4）On the second piezoelectric vibrator（5b）, installed in main bearing（3）On
First entrance valve（6a）With first outlet valve（6b）And installed in secondary bearing（4）On second entrance valve（6c）Go out with second
Mouth valve（6d）；
It is characterized in that：The pump core component also includes the first resilient bilayers sealing ring（7a）With the second resilient bilayers sealing ring
（7b）, the first resilient bilayers sealing ring（7a）It is wrapped in the first piezoelectric vibrator（5a）Perimeter on, it is described first pressure
Electric tachometer indicator（5a）Main bearing is pressed in advance by one layer of double-layer seal rings（3）On, lid is supported by another layer of double-layer seal rings
Body（1）, the second resilient bilayers sealing ring（7b）It is wrapped in the second piezoelectric vibrator（5b）Perimeter on, it is described second pressure
Electric tachometer indicator（5b）Secondary bearing is pressed in advance by one layer of double-layer seal rings（4）On, shell is supported by another layer of double-layer seal rings
Body（2）, the lid（1）And/or housing（2）It is provided with limit rib, the main bearing（3）Provided with annular muscle（31）, the ring
Shape muscle（31）With lid（1）And/or housing（2）On limit rib interference fit, the main bearing（3）It is close with the first resilient bilayers
Seal（6a）, the first piezoelectric vibrator（5a）The space surrounded forms the first variable cavity（8a）, the secondary bearing（4）With the second bullet
Property double-layer seal rings（6b）, the second piezoelectric vibrator（5b）The space surrounded forms the second variable cavity（8b）；Ambient atmos pass through
First entrance valve（6a）With second entrance valve（6c）Respectively enter the first variable cavity（8a）With the second variable cavity（8b）, and lead to
Cross first outlet valve（6b）With second outlet valve（6d）Outside excavationg pump.
A kind of 2. two-chamber piezoelectric micro air pump according to claim 1, it is characterised in that：The lid（1）And/or housing
（2）Air admission hole and accommodating chamber are provided with, filter cotton is mounted with the accommodating chamber（9）, ambient atmos enter pump by air admission hole
It is interior, and pass through filter cotton（9）Filtered.
A kind of 3. two-chamber piezoelectric micro air pump according to claim 1, it is characterised in that：The lid（1）And housing（2）
It is integrally fixed by ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378070.XU CN206845436U (en) | 2017-04-12 | 2017-04-12 | A kind of two-chamber piezoelectric micro air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378070.XU CN206845436U (en) | 2017-04-12 | 2017-04-12 | A kind of two-chamber piezoelectric micro air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845436U true CN206845436U (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720378070.XU Active CN206845436U (en) | 2017-04-12 | 2017-04-12 | A kind of two-chamber piezoelectric micro air pump |
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| CN (1) | CN206845436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630384A (en) * | 2018-12-14 | 2019-04-16 | 重庆华森制药股份有限公司 | A kind of vermiculator stable-pressure device |
-
2017
- 2017-04-12 CN CN201720378070.XU patent/CN206845436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630384A (en) * | 2018-12-14 | 2019-04-16 | 重庆华森制药股份有限公司 | A kind of vermiculator stable-pressure device |
| CN109630384B (en) * | 2018-12-14 | 2019-12-03 | 重庆华森制药股份有限公司 | A kind of vermiculator stable-pressure device |
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