CN114576145A - Large-flow miniature air pump with noise reduction channel device - Google Patents
Large-flow miniature air pump with noise reduction channel device Download PDFInfo
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- CN114576145A CN114576145A CN202210184113.6A CN202210184113A CN114576145A CN 114576145 A CN114576145 A CN 114576145A CN 202210184113 A CN202210184113 A CN 202210184113A CN 114576145 A CN114576145 A CN 114576145A
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- ring
- retaining wall
- cover plate
- retaining
- wall ring
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- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000001595 flow curve Methods 0.000 abstract description 2
- 239000002775 capsule Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Valves (AREA)
- Check Valves (AREA)
Abstract
The invention relates to a high-flow micro air pump with a noise reduction channel device, which comprises an outlet cover plate (11), a valve seat (12), a diaphragm device (13) and a driving device (14), wherein the outlet cover plate (11) is provided with a fluid outlet (15), the diaphragm device (13) comprises a diaphragm (131) and a diaphragm seat (132), the diaphragm (131) is uniformly distributed and provided with a plurality of diaphragm capsules (1311), the diaphragm seat (132) is matched with the diaphragm (131), the driving device (14) drives the diaphragm (131) to do reciprocating motion circumferentially, and the diaphragm capsules (1311) sequentially compress and stretch suction fluid, and the high-flow micro air pump is characterized in that a cylindrical retaining wall ring for buffering air flow is integrally formed in the outlet cover plate (11), and the retaining wall ring and the outlet cover plate (11) are arranged in the same axial direction. The structure of guiding the air flow curve is realized, the air flow speed is buffered, the air flow is eliminated fundamentally to generate noise, and the purpose of reducing the noise of the air pump is achieved.
Description
Technical Field
The invention relates to a micro pump device, in particular to a micro high-flow diaphragm air pump with a noise reduction structure device, and particularly relates to a high-flow micro air pump with a noise reduction channel device.
Background
The micropump is widely used in daily life, and in the pumping transmission process of pump, all can produce certain noise interference usually, influence daily life very much and to the experience effect of product quality, consequently, the noise effect that reduces the micropump is the demand of many micropumps at present, the micropump noise is solved to the commonly used sound absorbing device etc. at present, this method is more on the palliative, because the sound source that produces the noise is not necessarily on a point, on a large scale sound absorption sound insulation, the arrangement of micropump in volume and structure is all difficult.
Especially, the air pump with larger flow has longer range of the air flow channel, the speed of the air flow reaches a certain order of magnitude, and the range of the generated noise source of the air flow is larger, so that the noise is fundamentally avoided, and the air pump has more advantages than the addition of a sound absorption device.
Aiming at the problems of the defects, the invention adopts the following technical scheme to improve.
Disclosure of Invention
The invention aims to provide a large-flow miniature air pump with a noise reduction channel device, and the disclosed technical scheme is as follows:
the utility model provides a large-traffic miniature air pump with passageway device of making an uproar falls, air pump (10) are including export apron (11), disk seat (12), diaphragm device (13) and drive arrangement (14), export apron (11) sets up fluid outlet (15), diaphragm device (13) are including evenly distributed are provided with diaphragm (131) of a plurality of diaphragm bag (1311) and diaphragm seat (132) that diaphragm (131) were placed to the adaptation, drive arrangement (14) drive diaphragm (131) circumference reciprocating motion, and a plurality of diaphragm bag (1311) compress and tensile suction fluid in proper order, its characterized in that the inside integrated into one piece of export apron (11) sets up the cylindricality retaining wall circle that is used for buffering the air current, retaining wall circle and export apron (11) set up with the axial. The driving device (14) further comprises a motor (141), an eccentric transmission mechanism (142) and a fluid inlet (143) arranged on a transmission mechanism shell.
Furthermore, export (15) periphery of export apron (11) set up first retaining wall circle (111), disk seat (12) including set up in second retaining wall circle (122) of central point, inside and outside footpath adaptation registrate back in first retaining wall circle (111) and second retaining wall circle (122), form the lateral wall clearance of circulating. After the outlet cover plate (11) and the valve seat (12) are buckled with each other, the second wall retaining ring (122) and the outlet cover plate (11), the first wall retaining ring (111) and the valve seat (12) are respectively sealed without contact, and gaps for fluid circulation are reserved.
Furthermore, the maximum diagonal length of the cross section of the second retaining wall ring (122) is smaller than that of the first retaining wall ring (111), and after the second retaining wall ring (122) is sleeved inside the first retaining wall ring (111), the first retaining wall ring (111) and the second retaining wall ring (122) form a circulation gap which is respectively the inner and outer side walls. Fluid flows to the middle outlet passage cavity after flowing to the flowing gap formed by the inner and outer side walls of the first retaining wall ring (111) and the second retaining wall ring (122) from the gap at the end part of the first retaining wall ring (111), and flows to the outlet passage (15) after filling the outlet cavity. The elongated and curved airflow path reduces or eliminates noise generated by the airflow after buffering the airflow velocity. It is known that the reduction of airflow noise is achieved in principle by damping the reduction of airflow velocity, which is achieved by generating airflow noise at acoustic frequencies audible to the human ear only when the airflow reaches a certain critical velocity.
Furthermore, the maximum diagonal length of the cross section of the second retaining wall ring (122) is larger than that of the first retaining wall ring (111), and after the second retaining wall ring (122) is sleeved outside the first retaining wall ring (111), the first retaining wall ring (111) and the second retaining wall ring (122) form a circulation gap which is respectively the inner and outer side walls. Fluid flows to the middle outlet passage cavity after flowing to the circulation gap formed by the inner and outer side walls of the first retaining wall ring (111) and the second retaining wall ring (122) from the gap at the end part of the second retaining wall ring (122), and flows to the outlet passage (15) after filling the outlet cavity. Similarly, the extended and bent air flow channel can buffer and reduce the air flow speed, thereby realizing the reduction of air flow noise in principle.
Furthermore, one of the first retaining wall ring (111) and the second retaining wall ring (122) is an annular polygonal column, and the other is an annular cylinder. When the radial dimension of the cylinder is designed to be just the inner part conflict, a plurality of fluid channels surrounded by a circular array are formed between the edge angle side surface formed by the polygon and the cylinder. In a preferred embodiment, the annular polygonal cylinder is an annular hexagonal cylinder.
Furthermore, the cylindrical retaining wall ring of the outlet cover plate (11) is arranged to be a third retaining wall ring (112) matched with the outlet device (121) arranged on the valve seat (12), the third retaining wall ring (112) comprises a guide notch (1121) for guiding fluid and a sealing ring (1122) matched and sealed with the outlet device (121) of the valve seat (12), and the flow guide direction of the guide notch (1121) is arranged to face the inner surface of the outer ring side wall of the outlet cover plate (11). Third wall circle (112) set up to a plurality of that a plurality of centers on export apron centre of a circle array range, direction breach (1121) form circle array direction export apron (11) lateral wall circle, keep off the back by the lateral wall, form the full whole export apron (11) backward flow of circulation air current. The third retaining wall ring (112) is configured as an annular polygonal cylinder, wherein the preferred embodiment is an annular hexagonal cylinder. The third wall retaining ring (112) and the outlet device (121) of the valve seat (12) are sealed to form an airflow flowing cavity, and then the airflow is guided to the outer ring side wall of the outlet cover plate (11) through the guide notch (1121). The outlet devices (121) of the valve seat (12) can be arranged into valve plate mounting holes (1212) on the bosses (1211) and fluid holes (1213) surrounding the mounting holes, the diaphragm pump further comprises umbrella-shaped check valve plates (16) mounted on the bosses (1211), the large-flow diaphragm pump generally consists of a plurality of diaphragm bags, the outlet devices (121) on the corresponding valve seat (12) form a circular array arrangement, all guide notches (1121) form a circular array guide outlet cover plate (11) outer side wall ring, after being blocked back by the side wall, a circulating air flow is formed to fill the whole outlet cover plate (11) to flow back, the air flow is prolonged, the air flow speed is buffered, and the air flow noise is reduced or eliminated fundamentally.
The invention also discloses a noise reduction channel model of the pump, which comprises an outlet cover plate (11) and a valve seat (12), and is characterized in that a first retaining wall ring (111) is arranged at the periphery of an outlet (15) of the outlet cover plate (11), the valve seat (12) comprises a second retaining wall ring (122) arranged at the central part, and after the inner diameter and the outer diameter of the first retaining wall ring (111) and the second retaining wall ring (122) are matched and sleeved, a side wall circulation gap is formed.
Furthermore, the maximum diagonal length of the cross section of the second wall retaining ring (122) is smaller than that of the first wall retaining ring (111), and after the second wall retaining ring (122) is sleeved inside the first wall retaining ring (111), the first wall retaining ring (111) and the second wall retaining ring (122) form a circulation gap which is respectively the side wall of the inner layer and the side wall of the outer layer; or the maximum diagonal length of the cross section of the second wall retaining ring (122) is greater than that of the first wall retaining ring (111), and after the second wall retaining ring (122) is sleeved outside the first wall retaining ring (111), the first wall retaining ring (111) and the second wall retaining ring (122) form a circulation gap which is respectively an inner side wall and an outer side wall.
Furthermore, one of the first retaining wall ring (111) and the second retaining wall ring (122) is an annular polygonal column, and the other is an annular cylinder. In one embodiment, the radial angular length L of the annular polygonal cylinder is set to be equal to the radial diameter D of the annular cylinder. When the radial dimensions of the cylinders are designed to be just in internal conflict, a plurality of circular array surrounding fluid channels are formed between the corner side surfaces formed by the polygons and the cylinders. In a preferred embodiment, the annular polygonal cylinder is an annular hexagonal cylinder.
The invention also discloses a noise reduction channel model of the pump, which comprises an outlet cover plate (11) and a valve seat (12), and is characterized in that a cylindrical retaining wall ring of the outlet cover plate (11) is arranged to be a third retaining wall ring (112) matched with an outlet device (121) arranged on the valve seat (12), the third retaining wall ring (112) comprises a guide notch (1121) for guiding fluid and a sealing ring (1122) matched and sealed with the outlet device (121) of the valve seat (12), and the flow guide direction of the guide notch (1121) is arranged to face the inner surface of the outer ring side wall of the outlet cover plate (11).
According to the technical scheme, the invention has the following beneficial effects:
in the air pump noise reduction structure, after the outlet cover plate and the valve seat are buckled with each other, the outlet is provided with the wall retaining ring, the radial distance between the first wall retaining ring of the outlet cover plate and the second wall retaining ring of the valve seat is different, the first wall retaining ring and the second wall retaining ring are not in contact sealing respectively, and a fluid circulation gap is reserved to form a side wall circulation gap, so that a structure for guiding an air flow curve is realized, the air flow speed is buffered, the air flow is eliminated fundamentally to generate noise, and the purpose of reducing the noise of the air pump is achieved;
in the air pump noise reduction structure, the outlet cover plate is provided with the third baffle wall ring, the guide notches of the third baffle wall ring are used for guiding the fluid to the inner surface of the outer ring side wall of the outlet cover plate, particularly, a plurality of outlet devices form a circular array arrangement, all the guide notches form a circular array guide outlet cover plate outer side wall ring, after the circular array guide outlet cover plate outer side wall ring is blocked by the side wall, the circular array guide outlet cover plate outer side wall ring forms a circular air flow to be filled with the whole outlet cover plate to flow back, the air flow process is prolonged, the air flow speed is buffered, and the air flow noise is reduced or eliminated fundamentally.
Drawings
FIG. 1 is a schematic view of the overall structure of a pump according to the preferred embodiment of the present invention;
FIG. 2 is an exploded view of the pump structure in accordance with the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of the pump according to the preferred embodiment of the present invention taken along line D-D;
FIG. 4 is an exploded view of the pump according to the preferred embodiment of the present invention;
FIG. 5 is an exploded view of the pump according to the preferred embodiment of the present invention;
FIG. 6 is an enlarged partial cross-sectional view E-E of the pump according to the preferred embodiment of the present invention;
FIG. 7 is an enlarged partial C-C schematic view of the pump according to the preferred embodiment of the present invention;
FIG. 8 is an enlarged partial cross-sectional view of the pump according to the preferred embodiment of the present invention, showing a cross-section of the pump;
FIG. 9 is a schematic view of a pump forming an air gap channel in accordance with a preferred embodiment of the present invention;
in the figure, a pump 10, an outlet cover plate 11, a valve seat 12, a diaphragm device 13, a driving device 14, a fluid outlet 15, an umbrella valve 16;
a first retaining wall ring 111, a third retaining wall ring 112;
the outlet device 121, the second baffle ring 122, the boss 1211, the valve sheet mounting hole 1212 and the fluid hole 1213;
the septum 131, the septum seat 132, the septum bladder 1311;
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in figures 1 to 3. The utility model provides a large-traffic miniature air pump with passageway device of making an uproar falls, air pump 10 includes outlet cover plate 11, valve seat 12, diaphragm device 13 and drive arrangement 14, outlet cover plate 11 sets up fluid outlet 15, diaphragm device 13 includes that evenly distributed is provided with the diaphragm 131 of a plurality of diaphragm bag 1311 and the diaphragm seat 132 that the diaphragm 131 was placed to the adaptation, drive arrangement 14 drive diaphragm 131 circumference reciprocating motion, a plurality of diaphragm bag 1311 compresses in proper order and tensile suction fluid, its characterized in that outlet cover plate 11 inside integrated into one piece sets up the cylindricality barricade circle that is used for the buffer stream, barricade circle and outlet cover plate 11 set up with the axial. The drive device 14 further comprises a motor 141 and an eccentric transmission 142, and a fluid inlet 143 provided in the transmission housing.
As shown in fig. 4, 5, 7 and 8, a first wall ring 111 is disposed on the periphery of the outlet 15 of the outlet cover plate 11, the valve seat 12 includes a second wall ring 122 disposed at the center, and the first wall ring 111 and the second wall ring 122 are fitted together to form a sidewall flow gap. After the outlet cover plate 11 and the valve seat 12 are fastened with each other, the second retaining wall ring 122 and the outlet cover plate 11, the first retaining wall ring 111 and the valve seat 12 are respectively sealed without contact, and gaps for fluid circulation are reserved.
As shown in fig. 7, the maximum diagonal length of the cross section of the second retaining wall ring 122 is smaller than that of the first retaining wall ring 111, and after the second retaining wall ring 122 is sleeved inside the first retaining wall ring 111, the first retaining wall ring 111 and the second retaining wall ring 122 form a flow gap which is a sidewall of the inner layer and the outer layer respectively. The fluid flows from the end gap of the first retaining wall ring 111 to the flow gap formed by the inner and outer side walls of the first retaining wall ring 111 and the second retaining wall ring 122, then flows to the middle outlet passage cavity, and flows to the outlet passage 15 after filling the outlet cavity. The extended and curved airflow path reduces or eliminates noise generated by the airflow after buffering the airflow velocity. It is known that air flow reaches a certain critical speed before audible sound frequencies are generated by the human ear, thereby generating air flow noise, and that the reduction of air flow noise is achieved in principle by damping the reduction of air flow speed.
As shown in fig. 8, the maximum diagonal length of the cross section of the second retaining wall ring 122 is greater than that of the first retaining wall ring 111, and after the second retaining wall ring 122 is sleeved outside the first retaining wall ring 111, the first retaining wall ring 111 and the second retaining wall ring 122 form a flow gap which is a sidewall of the inner layer and the outer layer. The fluid flows from the end gap of the second retaining wall ring 122 to the flow gap formed by the inner and outer sidewalls of the first retaining wall ring 111 and the second retaining wall ring 122, then flows to the middle outlet passage cavity, and flows to the outlet passage 15 after filling the outlet passage cavity. Similarly, the extended and bent air flow channel can buffer and reduce the air flow speed, thereby realizing the reduction of air flow noise in principle.
As shown in fig. 9, one of the first retaining wall ring 111 and the second retaining wall ring 122 is a ring-shaped polygonal cylinder, and the other is a ring-shaped cylinder. When the radial dimension of the cylinder is designed to be just the inner part conflict, a plurality of fluid channels surrounded by a circular array are formed between the edge angle side surface formed by the polygon and the cylinder. In a preferred embodiment, the annular polygonal cylinder is an annular hexagonal cylinder.
As shown in fig. 4, 5 and 6, the cylindrical retaining wall of the outlet cover 11 is configured to fit with the outlet device 121 of the valve seat 12 to form a third retaining wall 112, the third retaining wall 112 includes a guiding notch 1121 for guiding the fluid and a sealing ring 1122 fitting and sealing with the outlet device 121 of the valve seat 12, and the guiding direction of the guiding notch 1121 is configured to face the inner surface of the outer ring side wall of the outlet cover 11. The third retaining wall ring 112 is provided with a plurality of circular arrays arranged around the circle center of the outlet cover plate, and the guide notches 1121 form an outer side wall ring of the circular array guide outlet cover plate 11 and form a circular air flow to flow back through the whole outlet cover plate 11 after being blocked by the side wall. The third retaining wall ring 112 is configured as an annular polygonal cylinder, wherein the preferred embodiment is an annular hexagonal cylinder. The third wall ring 112 and the outlet device 121 of the valve seat 12 are sealed to form an airflow flowing cavity, and then the airflow is guided to the outer ring side wall of the outlet cover plate 11 by the guiding notch 1121. The outlet devices 121 of the valve seat 12 can be arranged as valve sheet mounting holes 1212 on the boss 1211 and fluid holes 1213 around the mounting holes, and further includes umbrella-shaped check valve sheets 16 mounted on the boss 1211, the large flow diaphragm pump is generally composed of a plurality of diaphragm bags, the outlet devices 121 on the corresponding valve seat 12 form a circular array arrangement, all the guiding notches 1121 form a circular array guiding outlet cover plate 11 outer side wall ring, and after being blocked by the side wall, a circular air flow is formed to fill the whole outlet cover plate 11 to flow back, thereby extending the air flow path, buffering the air flow speed, and reducing or eliminating the air flow noise in principle.
As shown in fig. 4, 5, 7 and 8, in one embodiment, a noise reduction channel model of a pump includes an outlet cover plate 11 and a valve seat 12, a first baffle ring 111 is disposed at the periphery of an outlet 15 of the outlet cover plate 11, the valve seat 12 includes a second baffle ring 122 disposed at the central portion, and after the inner and outer diameters of the first baffle ring 111 and the second baffle ring 122 are fitted, a side wall flow gap is formed.
The maximum diagonal length of the cross section of the second retaining wall ring 122 is smaller than that of the first retaining wall ring 111, and after the second retaining wall ring 122 is sleeved inside the first retaining wall ring 111, the first retaining wall ring 111 and the second retaining wall ring 122 form a circulation gap which is respectively the side wall of the inner layer and the side wall of the outer layer; or the maximum diagonal length of the cross section of the second retaining wall ring 122 is greater than that of the first retaining wall ring 111, and after the second retaining wall ring 122 is sleeved outside the first retaining wall ring 111, the first retaining wall ring 111 and the second retaining wall ring 122 form a circulation gap which is a side wall of the inner layer and the outer layer respectively.
One of the first retaining wall ring 111 and the second retaining wall ring 122 is an annular polygonal cylinder, and the other is an annular cylinder. In one embodiment, the radial angular length L of the annular polygonal cylinder is set to be equal to the radial diameter D of the annular cylinder. When the radial dimensions of the cylinders are designed to be just in internal conflict, a plurality of circular array surrounding fluid channels are formed between the corner side surfaces formed by the polygons and the cylinders. In a preferred embodiment, the annular polygonal cylinder is an annular hexagonal cylinder.
In another embodiment, as shown in fig. 4 to 6, a noise reduction channel model of a pump includes an outlet cover plate 11, a valve seat 12, a cylindrical retaining ring of the outlet cover plate 11 is configured to fit with an outlet device 121 configured on the valve seat 12, the third retaining ring 112 includes a guiding notch 1121 for guiding fluid and a sealing ring 1122 adapted to seal with the outlet device 121 of the valve seat 12, and a flow guiding direction of the guiding notch 1121 is configured to face an inner surface of an outer ring sidewall of the outlet cover plate 11.
The above is one embodiment of the present invention. Furthermore, it is to be understood that all equivalent or simple changes in the structure, features and principles described in the present patent concepts are included in the scope of the present patent.
Claims (10)
1. The utility model provides a large-traffic miniature air pump with passageway device of making an uproar falls, includes outlet cover plate (11), disk seat (12), diaphragm device (13) and drive arrangement (14), outlet cover plate (11) sets up fluid outlet (15), diaphragm device (13) are including evenly distributed are provided with diaphragm (131) and the diaphragm seat (132) that the diaphragm (131) was placed in the adaptation of a plurality of diaphragm bag (1311), drive arrangement (14) drive diaphragm (131) circumference reciprocating motion, and a plurality of diaphragm bag (1311) compress and tensile suction fluid in proper order, its characterized in that the inside integrated into one piece of outlet cover plate (11) sets up the cylindricality retaining wall circle that is used for the buffer air current, retaining wall circle and outlet cover plate (11) set up with the axial.
2. The mass flow miniature air pump with the noise reduction channel device according to claim 1, characterized in that a first wall ring (111) is disposed at the periphery of the outlet (15) of the outlet cover plate (11), the valve seat (12) comprises a second wall ring (122) disposed at the center, and after the inner and outer diameters of the first wall ring (111) and the second wall ring (122) are fitted, a side wall flow gap is formed.
3. The mass flow miniature air pump with the noise reduction channel device according to claim 2, characterized in that the maximum diagonal length of the cross section of the second retaining wall ring (122) is smaller than that of the first retaining wall ring (111), and after the second retaining wall ring (122) is sleeved inside the first retaining wall ring (111), the first retaining wall ring (111) and the second retaining wall ring (122) form a flow gap respectively formed by the inner and outer side walls.
4. The mass flow miniature air pump with the noise reduction channel device according to claim 2, characterized in that the maximum diagonal length of the cross section of the second retaining wall ring (122) is larger than that of the first retaining wall ring (111), and after the second retaining wall ring (122) is sleeved outside the first retaining wall ring (111), the first retaining wall ring (111) and the second retaining wall ring (122) form a flow gap respectively formed by the inner and outer side walls.
5. A mass flow micro air pump with noise reduction channel device according to claim 3 or 4, wherein one of the first wall ring (111) and the second wall ring (122) is an annular polygonal cylinder, and one is an annular cylinder.
6. The mass flow miniature air pump with noise reduction channel device according to claim 1, characterized in that the cylindrical retaining wall ring of the outlet cover plate (11) is configured to be a third retaining wall ring (112) adapted to the outlet device (121) configured on the valve seat (12), the third retaining wall ring (112) comprises a guiding notch (1121) for guiding the fluid and a sealing ring (1122) adapted to seal with the outlet device (121) of the valve seat (12), and the guiding direction of the guiding notch (1121) is configured to face the inner surface of the outer ring sidewall of the outlet cover plate (11).
7. The utility model provides a passageway model of making an uproar falls of pump, includes outlet cover plate (11), disk seat (12), its characterized in that outlet cover plate (11) export (15) periphery set up first retaining wall circle (111), disk seat (12) including set up in central point position second retaining wall circle (122), behind the inside and outside footpath adaptation registrate of first retaining wall circle (111) and second retaining wall circle (122), form lateral wall circulation clearance.
8. The model of a pump noise reduction channel according to claim 7, wherein the maximum diagonal length of the cross section of the second retaining wall ring (122) is smaller than that of the first retaining wall ring (111), and after the second retaining wall ring (122) is sleeved inside the first retaining wall ring (111), the first retaining wall ring (111) and the second retaining wall ring (122) form a flow gap respectively formed by an inner side wall and an outer side wall; or the maximum diagonal length of the cross section of the second wall retaining ring (122) is greater than that of the first wall retaining ring (111), and after the second wall retaining ring (122) is sleeved outside the first wall retaining ring (111), the first wall retaining ring (111) and the second wall retaining ring (122) form a circulation gap which is respectively an inner side wall and an outer side wall.
9. A noise reduction port model for a pump according to claim 8, wherein one of said first and second dam rings (111, 122) is a polygonal cylinder and one is a circular cylinder.
10. The utility model provides a passageway model of making an uproar falls in pump, includes outlet cover plate (11), valve seat (12), characterized in that the cylindricality barricade circle of outlet cover plate (11) set up with outlet means (121) looks adaptation third barricade circle (112) that set up on valve seat (12), third barricade circle (112) including be used for the direction breach (1121) of fluid direction and with the sealed sealing washer (1122) of outlet means (121) looks adaptation of valve seat (12), the water conservancy diversion direction of direction breach (1121) sets up to be towards the outer lane lateral wall internal surface of outlet cover plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184113.6A CN114576145B (en) | 2022-02-28 | 2022-02-28 | Large-flow miniature air pump with noise reduction channel device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184113.6A CN114576145B (en) | 2022-02-28 | 2022-02-28 | Large-flow miniature air pump with noise reduction channel device |
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| CN114576145A true CN114576145A (en) | 2022-06-03 |
| CN114576145B CN114576145B (en) | 2024-01-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160040664A1 (en) * | 2013-10-25 | 2016-02-11 | Xiamen Koge Micro Tech Co., Ltd. | Valve clack and air pump having same |
| WO2016037492A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
| CN111412125A (en) * | 2019-01-05 | 2020-07-14 | 厦门宏发汽车电子有限公司 | Electronic vacuum pump with noise reduction waterproof cap and air outlet groove for electronic vacuum pump |
| CN211852126U (en) * | 2019-12-13 | 2020-11-03 | 厦门科际精密器材有限公司 | Miniature air pump |
| CN112727737A (en) * | 2020-12-30 | 2021-04-30 | 厦门坤锦电子科技有限公司 | Noise reduction silencing cover for air pump and vertical eccentric rotary diaphragm pump |
-
2022
- 2022-02-28 CN CN202210184113.6A patent/CN114576145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160040664A1 (en) * | 2013-10-25 | 2016-02-11 | Xiamen Koge Micro Tech Co., Ltd. | Valve clack and air pump having same |
| WO2016037492A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
| CN111412125A (en) * | 2019-01-05 | 2020-07-14 | 厦门宏发汽车电子有限公司 | Electronic vacuum pump with noise reduction waterproof cap and air outlet groove for electronic vacuum pump |
| CN211852126U (en) * | 2019-12-13 | 2020-11-03 | 厦门科际精密器材有限公司 | Miniature air pump |
| CN112727737A (en) * | 2020-12-30 | 2021-04-30 | 厦门坤锦电子科技有限公司 | Noise reduction silencing cover for air pump and vertical eccentric rotary diaphragm pump |
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| CN114576145B (en) | 2024-01-16 |
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