CN204627944U - Micro air pump - Google Patents
Micro air pump Download PDFInfo
- Publication number
- CN204627944U CN204627944U CN201520203390.2U CN201520203390U CN204627944U CN 204627944 U CN204627944 U CN 204627944U CN 201520203390 U CN201520203390 U CN 201520203390U CN 204627944 U CN204627944 U CN 204627944U
- Authority
- CN
- China
- Prior art keywords
- cavity
- air pump
- micro air
- outlet pipe
- valve seat
- 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 discloses a kind of micro air pump, micro air pump comprises: the pump housing, and the pump housing comprises upper cover and valve seat, valve seat is located at below upper cover, valve seat is provided with outlet passageway, between described upper cover and described valve seat, is formed with exhaust cavity, above cover the outlet pipe being provided with and being communicated with exhaust cavity; Be located at the base assembly below valve seat, be formed with air storing cavity in base assembly, it is outside that air storing cavity is communicated with base assembly by the air intake structure be arranged on base assembly; Piston diaphragm, piston diaphragm is located at base assembly inside, piston diaphragm is formed multiplely recessedly downwards add deep, adding in deep and limits piston cavity, piston diaphragm being provided with the gas-entered passageway for being communicated with piston cavity and air storing cavity; Be arranged on the air-intake valve plate at gas-entered passageway place and be arranged on the valve block of giving vent to anger at outlet passageway place; Wherein, the volume of exhaust cavity is V, and volume V meets relation: 4cc≤V≤10cc.According to the micro air pump of the utility model embodiment, the gas flow in micro air pump is steady and coherent, and the pressure pulsations of micro air pump is less.
Description
Technical field
The utility model relates to a kind of micro air pump.
Background technique
In correlation technique, the gas flow in micro air pump is discontinuous, and produces pulsation, causes micro air pump cannot be applied in some in the higher device of gas flow stability requirement like this.
Model utility content
The utility model is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of micro air pump, and the gas flow in this micro air pump is steady and coherent, and the pressure pulsations of micro air pump is less.
According to micro air pump of the present utility model, comprise: the pump housing, the described pump housing comprises upper cover and valve seat, described valve seat is located at below described upper cover, described valve seat is provided with outlet passageway, be formed with exhaust cavity between described upper cover and described valve seat, on described, cover the outlet pipe being provided with and being communicated with described exhaust cavity; Base assembly, described base assembly is located at below described valve seat, is formed with air storing cavity in described base assembly, and it is outside that described air storing cavity is communicated with base assembly by the air intake structure be arranged on described base assembly; Piston diaphragm, described piston diaphragm is located at below described valve seat and to be positioned at described base assembly inner, described piston diaphragm is formed and multiplely recessedly downwards adds deep, described adding in deep, limits piston cavity, described piston diaphragm is provided with the gas-entered passageway for being communicated with described piston cavity and air storing cavity; Air-intake valve plate and to give vent to anger valve block, described air-intake valve plate be arranged on described gas-entered passageway place and described in valve block of giving vent to anger be arranged on described outlet passageway place; Wherein, the volume of described exhaust cavity is V, and described volume V meets relation: 4cc≤V≤10cc.
According to micro air pump of the present utility model, gas flow in micro air pump is steady and coherent, the pressure pulsation of micro air pump is less, thus micro air pump goes for, in the stricter device (such as electronic sphygmomanometer) of gas flow stability, improving the versatility of micro air pump further.
In addition, following technical characteristics can also be had according to micro air pump of the present utility model:
In examples more of the present utility model, described volume V meets relation further: 4cc≤V≤7cc.
In examples more of the present utility model, described volume V meets relation further: 5.5cc≤V≤6.5cc.
In examples more of the present utility model, the length of described outlet pipe is L, and described length L meets relation: 10mm≤L≤20mm.
In examples more of the present utility model, the cross-section area at least partially of the cavity in described outlet pipe is S, and described cross-section area S meets relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2.
In examples more of the present utility model, the cross-section area at least partially of the cavity in described outlet pipe is S, and described cross-section area S meets relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2.
In examples more of the present utility model, described outlet pipe is solid of rotation.
In examples more of the present utility model, the internal face of described outlet pipe is uniform section structure.
In examples more of the present utility model, the lower end of described outlet pipe extends beyond the inner top surface of described exhaust cavity downwards.
In examples more of the present utility model, described outlet pipe and described upper cover into a single integrated structure.
In examples more of the present utility model, described outlet pipe comprises upper portion and hypomere part, described upper portion is arranged on the upper surface of described upper cover, described hypomere channel floor is accommodated in described exhaust cavity, and the outside dimension of described hypomere part is less than the outside dimension of described upper portion.
In examples more of the present utility model, described upper cover be tubular and towards described valve seat side open wide, described upper cover comprises: lid body and annular perisporium, described annular perisporium to be arranged on described lid body and to extend towards described valve seat, and described exhaust cavity is limited by the internal face of described annular perisporium and the lower surface of described lid body.
Accompanying drawing explanation
Fig. 1 is the explosive view of the micro air pump according to the utility model embodiment;
Fig. 2 is the explosive view of valve seat according to the micro air pump of the utility model embodiment and piston diaphragm;
Fig. 3 is the sectional view of the micro air pump according to the utility model embodiment;
Fig. 4 is the structural representation of the outlet pipe of micro air pump according to the utility model embodiment.
Reference character:
Micro air pump 100;
The pump housing 10; Upper cover 11; Lid body 111; Annular perisporium 112; Valve seat 12; Outlet passageway 13; Exhaust cavity 14; Outlet pipe 15; Upper portion 151; Hypomere part 152; Cavity 153; Gas-entered passageway 16;
Base assembly 20; Air storing cavity 21; Air intake structure 22;
Piston diaphragm 30; Add deep 31; Piston cavity 32;
Air-intake valve plate 40; To give vent to anger valve block 50; Drive unit 60.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrically connected maybe can communicate with one another; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 4, the micro air pump 100 according to the utility model embodiment is described.Can be applied in medical equipment (such as electronic sphygmomanometer) and automobile adjusting seat according to the micro air pump 100 of the utility model embodiment, but the utility model is not limited to this.
Shown in composition graphs 1 and Fig. 3, the pump housing 10, base assembly 20 and piston diaphragm 30, air-intake valve plate 40 and valve block 50 of giving vent to anger can be comprised according to the micro air pump 100 of the utility model embodiment.Shown in composition graphs 2 and Fig. 3, the pump housing 10 comprises upper cover 11 and valve seat 12, valve seat 12 is located at below upper cover 11, valve seat 12 is provided with outlet passageway 13, valve block 50 of giving vent to anger is arranged on outlet passageway 13 place, be formed with exhaust cavity 14 between upper cover 11 and valve seat 13, upper cover 11 be provided with the outlet pipe 15 be communicated with exhaust cavity 14.Particularly, valve block 50 of giving vent to anger flexibly can be arranged on outlet passageway 13 and sentence and make gas can flow into exhaust cavity 14 from bottom to top, and the gas entering exhaust cavity 14 is outputted in inflator by outlet pipe 15.
Particularly, shown in composition graphs 1 and Fig. 3, upper cover 11 can be tubular, and upper cover 11 opens wide towards the side of valve seat 12, upper cover 11 can comprise: lid body 111 and annular perisporium 112, annular perisporium 112 to be arranged on lid body 111 and to extend towards valve seat 12, and exhaust cavity 14 is limited by the internal face of annular perisporium 112 and the lower surface of lid body 111.Shown in composition graphs 1 and Fig. 3, upper cover 11 opens wide (valve seat 12 is positioned at the below of upper cover 11) downward, and the annular perisporium 112 be connected on lid body 111 is to downward-extension, thus can jointly limit exhaust cavity 14 with lid body 111.
Base assembly 20 is located at below valve seat 12, is formed with air storing cavity 21 in base assembly 20, and it is outside that air storing cavity 21 is communicated with base assembly 20 by the air intake structure 22 be arranged on base assembly 20.That is, gas can enter air storing cavity 21 by the air intake structure 22 be arranged on base assembly 20.Alternatively, air intake structure 22 can be air inlet post, but is not limited thereto.
Shown in composition graphs 2 and Fig. 3, piston diaphragm 30 is located at below valve seat 12, and piston diaphragm 30 is positioned at base assembly 20 inside, piston diaphragm 30 is formed and multiplely recessedly downwards adds deep 31, add in deep 31 and limit piston cavity 32, piston diaphragm 30 is provided with the gas-entered passageway 16 for being communicated with piston cavity 32 and air storing cavity 21, air-intake valve plate 40 is arranged on gas-entered passageway 16 place.Particularly, air-intake valve plate 40 flexibly can be arranged on gas-entered passageway 16 and sentences and make gas from air storing cavity 21 to piston cavity 32 one-way flow.Alternatively, air-intake valve plate 40 can be structure as a whole with piston diaphragm 30, but is not limited thereto.
It should be noted that, as shown in Figure 1, piston diaphragm 30 is provided with and multiplely adds deep 31, thus multiple piston cavity 32 can be formed, correspondingly, piston diaphragm 30 is provided with multiple gas-entered passageway 16, and multiple gas-entered passageway 16 place all can be provided with air-intake valve plate 40, and multiple gas-entered passageway 16 is arranged with multiple piston cavity 32 one_to_one corresponding.
In addition, piston diaphragm 30 is formed with multiple piston cavity 32, the valve block 50 of giving vent to anger being arranged on outlet passageway 13 place can make gas from piston cavity 32 to exhaust cavity 14 one-way flow.Correspondingly, valve seat 12 is provided with multiple outlet passageway 13, and multiple outlet passageway 13 place all can be provided with valve block 50 of giving vent to anger, and multiple outlet passageway 13 and multiple piston cavity 32 one_to_one corresponding.
The volume of exhaust cavity 14 is V, and volume V meets relation: 4cc≤V≤10cc.Be understandable that, the exhaust cavity 14 of volume V within the scope of 4cc≤V≤10cc can make the gas flow in micro air pump 100 steadily and link up.In brief, less according to the pressure pulsation of the micro air pump 100 of the utility model embodiment.
Alternatively, as shown in figures 1 and 3, micro air pump 100 can also comprise drive unit 60, and drive unit 60 can comprise motor, when machine operation, piston diaphragm 30 can be driven to carry out Repeated Compression for motor and process of expansion is vented and breathing process repeatedly to make piston cavity 32.
According to the micro air pump 100 of the utility model embodiment, gas flow in micro air pump 100 is steady and coherent, the pressure pulsation of micro air pump 100 is less, thus micro air pump 100 goes for, in the stricter device (such as electronic sphygmomanometer) of gas flow stability, improving the versatility of micro air pump 100 further.
In examples more of the present utility model, volume V can meet relation further: 4cc≤V≤7cc.Be understandable that, the exhaust cavity 14 with the volume V meeting relation 4cc≤V≤7c can make the gas flow in micro air pump 100 steadily and link up, and the pressure pulsation of micro air pump 100 reduces further.
In other examples of the present utility model, volume V can meet relation further: 5.5cc≤V≤6.5cc.Be understandable that, the exhaust cavity 14 with the volume V meeting relation 5.5cc≤V≤6.5cc can make the gas flow in micro air pump 100 steadily and link up, and the pressure pulsation of micro air pump 100 reduces further, even negligible.
Alternatively, as shown in Figure 3, the length of outlet pipe 15 is that L, length L can meet relation: 10mm≤L≤20mm.Be understandable that to have and meet relation: the outlet pipe 15 of the length L of 10mm≤L≤20mm can make the gas flow of micro air pump 100 steadily and link up, and the pressure pulsation of micro air pump 100 reduces further.Preferably, the length L of outlet pipe 15 can be 17mm.
Alternatively, as shown in Figure 4, the cross-section area at least partially of the cavity 153 in outlet pipe 15 is S, and cross-section area S can meet relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2.The area of the cross section that the inner circle wall that cross-section area refers to the outlet pipe 15 of the length direction (above-below direction namely shown in Fig. 3) perpendicular to outlet pipe 15 is formed.Have and meet relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2the outlet pipe 15 of cross-section area S can make the gas flow of micro air pump 100 steadily and coherent, and the pressure pulsation of micro air pump 100 reduces further.In other words, the cross-section area S of the cavity 153 of outlet pipe 15 all can meet relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2, or the cross-section area S of the cavity 153 of outlet pipe 15 also can partly meet above-mentioned relation formula, and remaining part is greater than the upper limit of above-mentioned relation formula or is less than the lower limit of above-mentioned relation formula.When the cross-section area of the cavity 153 of outlet pipe 15 occurs to suddenly change once, the noise that air-flow can be made to produce is cancelled out each other on the cross-section area of sudden change, thus plays the object of noise reduction.Preferably, the cross-section area of outlet pipe 15 is S, and cross-section area S can meet relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2.
Alternatively, as shown in Figure 4, the cross-section area at least partially of the cavity 153 in outlet pipe 15 is S, and cross-section area S can meet relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2.Have and meet relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2the outlet pipe 15 of cross-section area S can make the gas flow of micro air pump 100 steadily and coherent, and the pressure pulsation of micro air pump 100 reduces further.In other words, the cross-section area S of the cavity 153 of outlet pipe 15 all can meet relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2, or the cross-section area S of the cavity 153 of outlet pipe 15 also can partly meet above-mentioned relation formula, and remaining part is greater than the upper limit of above-mentioned relation formula or is less than the lower limit of above-mentioned relation formula.When the cross-section area of the cavity 153 of outlet pipe 15 occurs to suddenly change once, the noise that air-flow can be made to produce is cancelled out each other on the cross-section area of sudden change, thus plays the object of noise reduction.Preferably, the cross-section area of outlet pipe 15 is S, and cross-section area S can meet relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2.
Alternatively, outlet pipe 15 can be solid of rotation, outlet pipe 15 structural stability of solid of rotation, and passes through the gas flow uniform of outlet pipe 15.Alternatively, the internal face of outlet pipe 15 can be uniform section structure, thus outlet pipe 15 structure can be made simple, reduces costs.Alternatively, as shown in Figure 3, the lower end of outlet pipe 15 can extend beyond the inner top surface of exhaust cavity 14 downwards.Outlet pipe 15 to downward-extension can increase the length of outlet pipe 15, thus the gas flow through outlet pipe 15 can be made steady, makes the level of noise of gas flow stablize further.Alternatively, outlet pipe 15 and upper cover 11 can be structure as a whole, and the outlet pipe 15 of integrative-structure and the overall structure of upper cover 11 better, and can reduce the process of assembling outlet pipe 15 and upper cover 11, reduce the production difficulty of micro air pump 100.
Alternatively, as shown in Figure 3, outlet pipe 15 can comprise upper portion 151 and hypomere part 152, and upper portion 151 is arranged on the upper surface of upper cover 11, hypomere part 152 entirety is accommodated in exhaust cavity 14, and the outside dimension of hypomere part 152 is less than the outside dimension of upper portion 151.That is, be arranged on the small volume of the hypomere part 152 of the outlet pipe 15 in exhaust cavity 14, thus the volume that exhaust cavity 14 holds gas can be increased, steadily it links up can to make the gas flow of micro air pump 100 further, and the pressure pulsation of micro air pump 100 reduces.
Below with reference to the accompanying drawings describe in detail according to the gas flow in the micro air pump 100 of the utility model embodiment.
When drive unit 60 works, drive unit 60 drives piston diaphragm 30 to carry out Repeated Compression and process of expansion.When piston diaphragm 30 is in process of expansion, micro air pump 100 carries out breathing process, gas is entered in air storing cavity 21 by air intake structure 22, and the gas being positioned at air storing cavity 21 enters piston cavity 32 by gas-entered passageway 16, and now micro air pump 100 completes breathing process.In the process, the gas pressure in air storing cavity 21 reaches certain value, and namely impel air-intake valve plate 40 to be in the force value of open mode, gas enters piston cavity 32 by gas-entered passageway 16.
When piston diaphragm 30 is in contraction process, micro air pump 100 is exhausted process, gas in piston cavity 32 is extruded and upwards flows, gas enters into exhaust cavity 14 by outlet passageway 13, gas in exhaust cavity 14 discharges micro air pump 100 by outlet pipe 15, and now micro air pump 100 completes exhaust process.In the process, the gas pressure being positioned at piston cavity 32 reaches certain value, and namely impel valve block 50 of giving vent to anger to be in the force value of open mode, gas enters into exhaust cavity 14 by outlet passageway 13.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (12)
1. a micro air pump, is characterized in that, comprising:
The pump housing, the described pump housing comprises upper cover and valve seat, and described valve seat is located at below described upper cover, and described valve seat is provided with outlet passageway, is formed with exhaust cavity between described upper cover and described valve seat, covers the outlet pipe being provided with and being communicated with described exhaust cavity on described;
Base assembly, described base assembly is located at below described valve seat, is formed with air storing cavity in described base assembly, and it is outside that described air storing cavity is communicated with base assembly by the air intake structure be arranged on described base assembly;
Piston diaphragm, described piston diaphragm is located at below described valve seat and to be positioned at described base assembly inner, described piston diaphragm is formed and multiplely recessedly downwards adds deep, described adding in deep, limits piston cavity, described piston diaphragm is provided with the gas-entered passageway for being communicated with described piston cavity and air storing cavity;
Air-intake valve plate and to give vent to anger valve block, described air-intake valve plate be arranged on described gas-entered passageway place and described in valve block of giving vent to anger be arranged on described outlet passageway place;
Wherein, the volume of described exhaust cavity is V, and described volume V meets relation: 4cc≤V≤10cc.
2. micro air pump according to claim 1, is characterized in that, described volume V meets relation further: 4cc≤V≤7cc.
3. micro air pump according to claim 1, is characterized in that, described volume V meets relation further: 5.5cc≤V≤6.5cc.
4. micro air pump according to claim 1, is characterized in that, the length of described outlet pipe is L, and described length L meets relation: 10mm≤L≤20mm.
5. micro air pump according to claim 1, is characterized in that, the cross-section area at least partially of the cavity in described outlet pipe is S, and described cross-section area S meets relation: π (0.3/2)
2mm
2≤ S≤π (0.7/2)
2mm
2.
6. micro air pump according to claim 1, is characterized in that, the cross-section area at least partially of the cavity in described outlet pipe is S, and described cross-section area S meets relation: π (0.3/2)
2mm
2≤ S≤π (1/2)
2mm
2.
7. micro air pump according to claim 1, is characterized in that, described outlet pipe is solid of rotation.
8. micro air pump according to claim 1, is characterized in that, the internal face of described outlet pipe is uniform section structure.
9. micro air pump according to claim 1, is characterized in that, the lower end of described outlet pipe extends beyond the inner top surface of described exhaust cavity downwards.
10. micro air pump according to claim 1, is characterized in that, described outlet pipe and described upper cover into a single integrated structure.
11. micro air pumps according to claim 1, it is characterized in that, described outlet pipe comprises upper portion and hypomere part, described upper portion is arranged on the upper surface of described upper cover, described hypomere channel floor is accommodated in described exhaust cavity, and the outside dimension of described hypomere part is less than the outside dimension of described upper portion.
12. micro air pumps according to claim 1, it is characterized in that, described upper cover be tubular and towards described valve seat side open wide, described upper cover comprises: lid body and annular perisporium, described annular perisporium to be arranged on described lid body and to extend towards described valve seat, and described exhaust cavity is limited by the internal face of described annular perisporium and the lower surface of described lid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203390.2U CN204627944U (en) | 2015-04-07 | 2015-04-07 | Micro air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203390.2U CN204627944U (en) | 2015-04-07 | 2015-04-07 | Micro air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627944U true CN204627944U (en) | 2015-09-09 |
Family
ID=54046981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520203390.2U Active CN204627944U (en) | 2015-04-07 | 2015-04-07 | Micro air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150987A (en) * | 2015-04-07 | 2016-11-23 | 厦门科际精密器材有限公司 | Micro air pump |
| CN107023462A (en) * | 2016-01-29 | 2017-08-08 | 研能科技股份有限公司 | Micro pressure power set |
-
2015
- 2015-04-07 CN CN201520203390.2U patent/CN204627944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150987A (en) * | 2015-04-07 | 2016-11-23 | 厦门科际精密器材有限公司 | Micro air pump |
| CN107023462A (en) * | 2016-01-29 | 2017-08-08 | 研能科技股份有限公司 | Micro pressure power set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101512870B1 (en) | Motor-pump aggregate | |
| JP6720404B2 (en) | Fluid device and its buffer tank | |
| CN204627944U (en) | Micro air pump | |
| CN103767695A (en) | Vent valve, integrated air pump and electronic sphygmomanometer | |
| CN106014941A (en) | Miniature liquor pump | |
| CA2515794A1 (en) | Improved foam-forming unit | |
| CN101576081B (en) | Volume type compressor | |
| CN106150987A (en) | Micro air pump | |
| CN217152282U (en) | Steady flow output diaphragm pump cavity structure and steady flow water outlet device | |
| CN204900208U (en) | Air pump | |
| KR100531830B1 (en) | Reciprocating compressor | |
| CN204627942U (en) | Air pump | |
| WO2006099745A8 (en) | A pump with a motor for pumping fluids | |
| CN204627941U (en) | Air pump | |
| CN113482896A (en) | Air supply device and micro air pump with same | |
| CN218543077U (en) | Hydraulic tensioner | |
| CN205297916U (en) | It absorbs electric vacuum pump for vehicle in space to have enlarged pulsation on flow path | |
| CN215979814U (en) | Air supply device and micro air pump with same | |
| CN214092247U (en) | Diaphragm pump | |
| CN215860731U (en) | Air supply device and micro air pump with same | |
| CN221220754U (en) | Diaphragm pump core | |
| CN219587731U (en) | Air pump noise reduction mechanism | |
| CN212360117U (en) | Inverted foam-discharging micropump | |
| CN216377620U (en) | Double-end vertical micro-bubble water generator | |
| CN214304317U (en) | Diaphragm pump with improved valve plate structure and mounting mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |