CN211819875U - Mounting housing for miniature piezoelectric pump - Google Patents
Mounting housing for miniature piezoelectric pump Download PDFInfo
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- CN211819875U CN211819875U CN202020437230.5U CN202020437230U CN211819875U CN 211819875 U CN211819875 U CN 211819875U CN 202020437230 U CN202020437230 U CN 202020437230U CN 211819875 U CN211819875 U CN 211819875U
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- piezoelectric pump
- shell
- miniature piezoelectric
- casing
- air inlet
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Abstract
The utility model discloses an installation shell for miniature piezoelectric pump in air pump device field, upper portion casing and the lower part casing that can vacuole formation after the amalgamation, the top of upper portion casing be equipped with this cavity intercommunication and outside convex gas outlet, the bottom of lower part casing be equipped with this cavity intercommunication and inside sunken air inlet, the gas outlet can match the concatenation with the air inlet, can lay miniature piezoelectric pump in this cavity to make miniature piezoelectric pump's last lower gas port dock with gas outlet and air inlet are sealed respectively. The utility model has the advantages that: the miniature piezoelectric pump is arranged by designing a shell, and the air outlet of the upper shell and the air inlet of the lower shell are mutually butted to realize the series connection or the parallel connection of a plurality of miniature piezoelectric pumps.
Description
Technical Field
The utility model relates to an air pump device field especially relates to an installation shell for miniature piezoelectric pump.
Background
The piezoelectric pump is a new type of fluid driver, it does not need additional driving motor, but utilizes the inverse piezoelectric effect of piezoelectric ceramic to make the piezoelectric vibrator produce deformation, and then utilizes the deformation to produce the volume change of pump cavity to implement fluid output. Piezoelectric pumps are generally small in size and widely used in small-sized mobile devices, electronic products, household appliances, and the like. However, the cavity formed by the deformation of the piezoelectric vibrator is small, so that the air pressure and the flow which can be provided by a single piezoelectric pump are limited, and the requirement of using equipment which has small volume but needs larger air pressure and flow can not be met.
SUMMERY OF THE UTILITY MODEL
For overcoming the current single piezoelectric pump air pressure flow limited etc. not enough, the utility model aims to solve the technical problem that: provided is a mounting case capable of connecting a plurality of piezoelectric pumps in series and parallel.
The utility model provides a technical scheme that its technical problem adopted is:
a installation shell for miniature piezoelectric pump, including upper portion casing and the lower part casing that can form the cavity after the amalgamation, the top of upper portion casing is equipped with and outwards bulges the gas outlet with this cavity intercommunication, and the bottom of lower part casing is equipped with and inwards caves in the air inlet with this cavity intercommunication, the gas outlet can match the concatenation with the air inlet, can lay miniature piezoelectric pump in this cavity to make miniature piezoelectric pump's upper and lower gas port respectively with gas outlet and air inlet sealing butt joint.
Further, an annular groove is formed in the inner surface of the lower shell, an air inlet sealing ring is arranged in the annular groove, a step surface is arranged in an air outlet of the upper shell, an air outlet sealing ring is arranged on the step surface, and when the micro piezoelectric pump is installed in the cavity, the air outlet sealing ring and the air inlet sealing ring are respectively pressed and attached to the upper end surface and the lower end surface of the micro piezoelectric pump.
Further, a shell sealing ring is arranged on a splicing surface of the lower shell and the upper shell.
Furthermore, a slot is arranged on one side of the splicing surface of the upper shell and the lower shell for a power line of the micro piezoelectric pump to pass through.
Further, the wire casing is opened on the side of the upper housing.
Further, the edges of the upper shell and the lower shell are provided with connecting holes, and the upper shell and the lower shell are connected through bolts penetrating through the connecting holes.
Further, the air outlet of the upper shell and the air inlet of the lower shell are both conical structures which can be matched with each other.
Furthermore, four corners of the upper shell and the lower shell are provided with serial connection fixing holes, and the plurality of shells are overlapped and installed in series and then fixed through bolts penetrating through the serial connection fixing holes.
Further, an external thread is arranged on the air outlet of the upper shell, and an internal thread matched with the air outlet is arranged on the air inlet of the lower shell.
Furthermore, four corners of the upper shell and the lower shell are provided with serial connection fixing holes, and the plurality of shells are overlapped and installed in series and then fixed through bolts penetrating through the serial connection fixing holes.
The utility model has the advantages that: the miniature piezoelectric pump is arranged by designing a shell, and the air outlet of the upper shell and the air inlet of the lower shell are mutually butted to realize the series connection or the parallel connection of a plurality of miniature piezoelectric pumps.
Drawings
Fig. 1 is a sectional view of the structure of the present invention.
Fig. 2 is a schematic view of the upper housing structure.
Fig. 3 is a schematic view of the lower housing structure.
Fig. 4 is a schematic view of a structure in which a plurality of housings are connected in series and parallel.
Marked in the figure as 1-upper shell, 2-lower shell, 3-micro piezoelectric pump, 4-air inlet sealing ring, 5-air outlet sealing ring, 6-shell sealing ring, 7-connecting hole, 8-series fixed hole, 11-air outlet, 12-step surface, 13-wire groove, 21-air inlet and 22-annular groove.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses an installation shell for miniature piezoelectric pump, upper portion casing 1 and lower part casing 2 that can form the cavity after the amalgamation, the top of upper portion casing 1 be equipped with this cavity intercommunication and outside convex gas outlet 11, the bottom of lower part casing 2 be equipped with this cavity intercommunication and inside sunken air inlet 21, gas outlet 11 can match the concatenation with air inlet 21, can lay miniature piezoelectric pump 3 in this cavity to make miniature piezoelectric pump 3's last lower gas port respectively with gas outlet 11 and the sealed butt joint of air inlet 21. The upper case 1 and the lower case 2 may be coupled by providing a coupling hole 7 at the edge and then by a bolt inserted into the coupling hole 7. When the mounted micro piezoelectric pump 3 operates, air is sucked from the air inlet 21 of the lower casing 2 and is discharged from the air outlet 11 of the upper casing 1.
The air outlet 11 of one housing is spliced with the air inlet 21 of the other housing, so that the two micro piezoelectric pumps 3 can be connected in series, and the parallel connection of a plurality of micro piezoelectric pumps 3 can also be realized through connecting pipes. In practical application, a plurality of shells provided with the miniature piezoelectric pumps 3 are selected according to the required air pressure and flow rate to be connected in series and in parallel, as shown in fig. 4.
For the installation of a single housing and the micro piezoelectric pump 3, it is important to ensure good sealing performance, so as to avoid the occurrence of air leakage. The utility model discloses a be in the internal surface of lower part casing 2 is equipped with annular groove 22, is equipped with air inlet sealing washer 4 in the annular groove 22, is equipped with step face 12 in the gas outlet 11 of upper housing 1, is equipped with gas outlet sealing washer 5 on the step face 12, when miniature piezoelectric pump 3 is installed in the cavity, gas outlet sealing washer 5 and air inlet sealing washer 4 press respectively to hug closely on the upper and lower terminal surface that leans on miniature piezoelectric pump 3 to realize the sealed butt joint of gas port and casing gas outlet 11 and air inlet 21 about miniature piezoelectric pump 3.
In order to avoid the influence of the external environment on the micro piezoelectric pump 3 mounted inside, a casing seal ring 6 is provided on the joint surface of the lower casing 2 and the upper casing 1. On the one hand, the upper shell 1 and the lower shell 2 can be attached more tightly to avoid interference, and on the other hand, the micro piezoelectric pump 3 can be prevented from being influenced by the entering of external air, rainwater and the like.
Considering that the power line of the micro piezoelectric pump 3 may have a certain influence on the sealing, a slot 13 is provided on one side of the joint surface of the upper housing 1 and the lower housing 2 for the power line of the micro piezoelectric pump to pass through, and the slot 13 may be sealed by filling glue when the micro piezoelectric pump is installed. Since the lower housing 2 is provided with two sealing rings, the wire groove 13 is preferably formed on the side surface of the upper housing 1 for the convenience of processing.
To the butt joint mode of air inlet 21 and gas outlet 11 on the casing when establishing ties, this application has designed two kinds of schemes:
one is that the air outlet 11 of the upper casing 1 and the air inlet 21 of the lower casing 2 are both conical structures which can be matched with each other, the two can be contacted more closely by matching of conical surfaces, a sealant can be coated in a matching way, a good sealing effect can be achieved, a plurality of casings can be fixed by an external fixing frame after being connected in series, series fixing holes 8 can be arranged at four corners of the upper casing 1 and the lower casing 2, and a plurality of casings can be fixed by bolts penetrating through the series fixing holes 8 after being overlapped and installed in series;
the other scheme is that an external thread is arranged on the air outlet 11 of the upper shell 1, an internal thread matched with the air outlet 11 is arranged on the air inlet 21 of the lower shell 2, the shells are connected in series through threaded connection, the connection is stable and reliable, and the sealing performance can be improved by smearing a sealing adhesive. In order to avoid the loosening of the screw thread caused by the accidental collision, it is preferable to provide an external fixing frame for fixing the outer shell, or to provide series fixing holes 8 and bolts at four corners of the upper housing 1 and the lower housing 2 for fixing.
The utility model discloses a design a casing and place miniature piezoelectric pump to utilize the gas outlet of upper portion casing and the air inlet of lower part casing to dock each other and realize the series connection of a plurality of miniature piezoelectric pump or parallelly connected, simple structure, simple to operate can superpose the efficiency of a plurality of piezoelectric pumps, thereby increase atmospheric pressure and flow, satisfy the equipment operation requirement, have fine practicality and application prospect.
Claims (10)
1. A installation shell for miniature piezoelectric pump, characterized by: including upper portion casing (1) and lower part casing (2) that can form the cavity after the amalgamation, the top of upper portion casing (1) is equipped with and outwards convex gas outlet (11) with this cavity intercommunication, and the bottom of lower part casing (2) is equipped with and inwards caves in air inlet (21) with this cavity intercommunication, gas outlet (11) and air inlet (21) can match the concatenation, can lay miniature piezoelectric pump (3) in this cavity to make the last lower gas port of miniature piezoelectric pump (3) respectively with gas outlet (11) and air inlet (21) sealed butt joint.
2. A mounting casing for a miniature piezoelectric pump according to claim 1, wherein: the inner surface of the lower shell (2) is provided with an annular groove (22), an air inlet sealing ring (4) is arranged in the annular groove (22), a step surface (12) is arranged in an air outlet (11) of the upper shell (1), an air outlet sealing ring (5) is arranged on the step surface (12), and when the micro piezoelectric pump (3) is installed in the cavity, the air outlet sealing ring (5) and the air inlet sealing ring (4) are respectively pressed against the upper end surface and the lower end surface of the micro piezoelectric pump (3).
3. A mounting casing for a miniature piezoelectric pump according to claim 2, wherein: and a shell sealing ring (6) is arranged on the splicing surface of the upper shell (1) and the lower shell (2).
4. A mounting casing for a miniature piezoelectric pump according to claim 1, wherein: and a wire groove (13) is formed in one side of the splicing surface of the upper shell (1) and the lower shell (2) and used for a power wire of the micro piezoelectric pump (3) to pass through.
5. A mounting casing for a miniature piezoelectric pump according to claim 4, wherein: the wire casing (13) is arranged on the side surface of the upper shell (1).
6. A mounting casing for a miniature piezoelectric pump according to claim 1, wherein: the edge of the upper shell (1) and the edge of the lower shell (2) are both provided with connecting holes (7), and the upper shell and the lower shell are connected through bolts penetrating through the connecting holes (7).
7. A mounting casing for a miniature piezoelectric pump according to any one of claims 1 to 6, further comprising: the air outlet (11) of the upper shell (1) and the air inlet (21) of the lower shell (2) are both conical structures which can be matched with each other.
8. A mounting housing for a miniature piezoelectric pump as claimed in claim 7, wherein: four corners of the upper shell (1) and the lower shell (2) are provided with serial connection fixing holes (8), and a plurality of shells are overlapped and installed in series and then fixed through bolts penetrating through the serial connection fixing holes (8).
9. A mounting casing for a miniature piezoelectric pump according to any one of claims 1 to 6, further comprising: an external thread is arranged on the air outlet (11) of the upper shell (1), and an internal thread matched with the air outlet is arranged on the air inlet (21) of the lower shell (2).
10. A mounting housing for a miniature piezoelectric pump as claimed in claim 9, wherein: four corners of the upper shell (1) and the lower shell (2) are provided with serial connection fixing holes (8), and a plurality of shells are overlapped and installed in series and then fixed through bolts penetrating through the serial connection fixing holes (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437230.5U CN211819875U (en) | 2020-03-30 | 2020-03-30 | Mounting housing for miniature piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437230.5U CN211819875U (en) | 2020-03-30 | 2020-03-30 | Mounting housing for miniature piezoelectric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819875U true CN211819875U (en) | 2020-10-30 |
Family
ID=73147586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020437230.5U Active CN211819875U (en) | 2020-03-30 | 2020-03-30 | Mounting housing for miniature piezoelectric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819875U (en) |
-
2020
- 2020-03-30 CN CN202020437230.5U patent/CN211819875U/en active Active
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