CN101915229B - Labyrinth silencing air output assembly for micro air pump - Google Patents
Labyrinth silencing air output assembly for micro air pump Download PDFInfo
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- CN101915229B CN101915229B CN201010189895XA CN201010189895A CN101915229B CN 101915229 B CN101915229 B CN 101915229B CN 201010189895X A CN201010189895X A CN 201010189895XA CN 201010189895 A CN201010189895 A CN 201010189895A CN 101915229 B CN101915229 B CN 101915229B
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- anechoic chamber
- labyrinth
- air
- umbrella
- air pump
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Abstract
The invention relates to a labyrinth silencing air output assembly for micro air pump. A silencing cover (2) is provided with an air output boss (12), an air collecting chamber envelope wall (5) is provided with an external primary silencing chamber partition wall (22) and an internal secondary silencing chamber partition wall (23), the cavity between the primary silencing chamber partition wall (22) and the secondary silencing chamber partition wall (23) is a primary silencing chamber (8), and the cavity formed in the secondary silencing chamber partition wall (23) is a second silencing chamber (9) communicated with an air outlet (4). In the invention, the bottom surface of the upper cover is provided with silencing chambers used for separating all the air collecting chambers and a plurality of bent labyrinth partition walls are arranged between the air collecting chambers and the air outlet, so that air current with noise enters into the air outlet from the air collecting chambers. The air current circuitously flows under the combined action of labyrinth partition walls and silencing chambers, and noise contained in the air current is attenuated, thus noise is less and output air current is stable.
Description
Technical field
The present invention relates to the micro air pump field, the labyrinth silencing air output assembly for micro air pump that especially a kind of noise is little, output gas flow is stable.
Background technique
Micro air pump is meant advantages of small volume, and working medium is a gaseous state, is mainly used in gas sampling, gas circulation, vacuum suction, vacuum pressurize, bleeds, inflates, multi-purpose a kind of air transporting arrangement such as supercharging.
Micro air pump all is widely used on the products such as automotive seat such as medical product, is made up of motor, lower cover, eccentric mounting, eccentric shaft, eccentric frame, middle cover, cylinder body, umbrella head, noise reduction lid and loam cake as the one of which; Its lower cover is fixed on motor and has on the end face of an end of output shaft; Lower cover, middle cover, cylinder body, noise reduction lid link to each other with loam cake successively, and eccentric mounting is fixed on the output shaft of motor, and eccentric shaft is connected between eccentric mounting and the eccentric frame; Eccentric frame links to each other with cylinder; The umbrella head is positioned to eliminate the noise and covers, and the loam cake middle part is provided with the air outlet of running through said loam cake, and is provided with the sub-air chamber of several depressions around the air outlet in the bottom surface of loam cake; And said sub-air chamber is directly to communicate with the air outlet, does not establish any sound-deadening and noise-reducing structure between the two.In when work, the high speed to-and-fro motion in pump of its piston and glue fourth makes air promptly directly feed air outlet by the sub-air chamber of loam cake without noise reduction with the form that has noise and outwards exports, so it exists noise greatly and the unsettled shortcoming of output gas flow.
Summary of the invention
The object of the present invention is to provide a kind of effective reduction noise and make the labyrinth silencing air output assembly for micro air pump that output gas flow is stable, to overcome above-mentioned defective.
Technological scheme of the present invention is:
A kind of labyrinth silencing air output assembly for micro air pump; The loam cake that comprises mutual fastening and the lid of eliminating the noise, on cover and be provided with the air outlet, the lid of eliminating the noise connects the cylinder of micro air pump; Said noise elimination covers and is provided with the boss of giving vent to anger, and the boss of giving vent to anger is provided with the air outlet hole that is communicated with the micro air pump cylinder; The loam cake back side is provided with the collection chamber envelope wall that surrounds the boss of giving vent to anger; In the collection chamber envelope wall is collection chamber; The collection chamber envelope wall is provided with outside one-level anechoic chamber and cuts off and inner secondary anechoic chamber partition; Cavity between one-level anechoic chamber partition and secondary anechoic chamber cut off is the one-level anechoic chamber, and the cavity that forms in the secondary anechoic chamber cuts off is the secondary anechoic chamber that is communicated with the air outlet, and the one-level anechoic chamber cuts off the air inlet duct that is provided with the connected set air chamber; The position that noise elimination covers corresponding one-level anechoic chamber is provided with protruding one-level labyrinth partition, and the position of corresponding secondary anechoic chamber is provided with protruding secondary maze and cuts off.
The other distortion of setting up defences of air outlet hole is loosed core on the said boss of giving vent to anger.
The quantity of the said boss of giving vent to anger is four, and the collection chamber envelope wall surrounds into the quatrefoil shape.
Said secondary anechoic chamber partition is provided with the anechoic chamber and is communicated with window.
Between cutting off, said one-level labyrinth partition and secondary maze be provided with the labyrinth stiffening rib.
Be provided with first anechoic chamber's stiffening rib in said one-level anechoic chamber and the secondary anechoic chamber.
The said boss middle part of giving vent to anger is provided with the Umbrella not dipping water while closing positioning hole, is provided with the umbrella head in the Umbrella not dipping water while closing positioning hole.
Said umbrella head is made up of umbrella head, umbrella handle and positioning head, and umbrella head lower end surface contacts with the boss sealing of giving vent to anger, and umbrella handle is positioned at the Umbrella not dipping water while closing positioning hole, and positioning head is arranged on the umbrella handle lower end and the terminal positioning table of Umbrella not dipping water while closing positioning hole is fixed.
The said boss upper surface of giving vent to anger is a minute surface.
The invention has the beneficial effects as follows:
Labyrinth silencing air output assembly for micro air pump of the present invention is owing to be provided with in the loam cake bottom surface to be used for distinguishing and between the anechoic chamber of each collection chamber and collection chamber and air outlet, be provided with some the labyrinths that are kink shape and cut off, and the air-flow that has noise is being got in the process of air outlet by collection chamber.Make air-flow tortuous mobile by labyrinth partition and anechoic chamber's outer wall acting in conjunction, the sound attenuation that air-flow has, so its noise is little, output gas flow is stable.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a stereochemical structure decomposing schematic representation of the present invention.
Fig. 3 is the side-looking structural representation of loam cake of the present invention.
Fig. 4 is the structure schematic representation of loam cake of the present invention.
Fig. 5 is the perspective view of loam cake of the present invention.
Fig. 6 is the Facad structure schematic representation of noise elimination lid of the present invention.
Fig. 7 is the side structure schematic representation of noise elimination lid of the present invention.
Fig. 8 is the structure schematic representation of noise elimination lid of the present invention.
Fig. 9 is the perspective view of noise elimination lid of the present invention.
Figure 10 is the structural representation of Umbrella not dipping water while closing of the present invention.
Figure 11 is the perspective view of Umbrella not dipping water while closing of the present invention.
Among the figure: 1 is loam cake; 2 are the noise reduction lid; 3 umbrella heads; 4 is the air outlet; 5 is the collection chamber envelope wall; 6 is collection chamber; 7 is air inlet duct; 8 is the one-level anechoic chamber; 9 is the secondary anechoic chamber; 10 stiffening ribs are dodged notch; 11 is anechoic chamber's stiffening rib; 12 are the boss of giving vent to anger; 13 is air outlet hole; 14 is the Umbrella not dipping water while closing positioning hole; 15 loose core for anti-deforming; 16 are one-level labyrinth partition; 17 are the secondary maze partition; 18 is the labyrinth stiffening rib; 19 is the umbrella head; 20 is umbrella handle; 21 is positioning head; 22 are one-level anechoic chamber partition; 23 are secondary anechoic chamber partition; 24 is positioning table.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
A kind of labyrinth silencing air output assembly for micro air pump; The loam cake 1 that comprises mutual fastening covers 2 with eliminating the noise, and loam cake 1 is provided with air outlet 4, eliminates the noise to cover the cylinder of 2 connection micro air pumps; Noise elimination is covered 2 and is provided with the boss 12 of giving vent to anger, and the boss 12 of giving vent to anger is provided with the air outlet hole 13 that is communicated with the micro air pump cylinder; Loam cake 1 back side is provided with the collection chamber envelope wall 5 that surrounds the boss 12 of giving vent to anger; In the collection chamber envelope wall 5 is collection chamber 6; Collection chamber envelope wall 5 is provided with outside one-level anechoic chamber partition 22 and cuts off 23 with inner secondary anechoic chamber; The cavity that one-level anechoic chamber partition 22 and secondary anechoic chamber cut off between 23 is one-level anechoic chamber 8, and the cavitys that form in the secondary anechoic chamber partition 23 are the secondary anechoic chamber 9 that is communicated with air outlet 4, and one-level anechoic chamber partition 22 is provided with the air inlet duct 7 of connected set air chamber 6; The position that corresponding one-level anechoic chamber 8 on 2 is covered in noise elimination is provided with protruding one-level labyrinth partition 16, and the position of corresponding secondary anechoic chamber 9 is provided with protruding secondary maze and cuts off 17.In the collection chamber envelope wall 5, collection chamber 6 tops also are provided with stiffening rib.
The air outlet hole 13 of giving vent to anger on the boss 12 is other to be provided with anti-deforming and to loose core 15.
The quantity of boss 12 of giving vent to anger is four, and collection chamber envelope wall 5 surrounds into the quatrefoil shape.
Secondary anechoic chamber partition 23 is provided with stiffening rib and dodges notch 10.
One-level labyrinth partition 16 and secondary maze are provided with labyrinth stiffening rib 18 between cutting off 17.
One-level labyrinth partition 16 cuts off 17 with secondary maze and lays respectively in one-level anechoic chamber 8 and the secondary anechoic chamber 9, and labyrinth stiffening rib 18 is positioned at the anechoic chamber and is communicated with window 10.
Be provided with anechoic chamber's stiffening rib 11 in one-level anechoic chamber 8 and the secondary anechoic chamber 9.Anechoic chamber's stiffening rib 11 is a plurality of little anechoic chambers with one-level anechoic chamber 8 with 9 equipartitions of secondary anechoic chamber.
Said boss 12 upper surfaces of giving vent to anger are minute surface.Help strengthening sealing effect.
Above-mentioned loam cake 1, eliminate the noise cover 2 and umbrella head 3 be overall structure, make through the mould once-through.
After air-flow flowed out from air outlet hole 13, jack-up umbrella head 3 umbrella heads 19 got into collection chamber 6; Get into one-level anechoic chamber 8 and secondary anechoic chamber 9 from air inlet duct 7 priorities then, under the effect of the labyrinth structure that one-level labyrinth partition 16, secondary maze partition 17, one-level anechoic chamber partition 22 and secondary anechoic chamber partition 23 form, the obstruct of air-flow process multiple tracks; The complications operation of pacing up and down is until 4 discharging from the air outlet, in the air motion process; The sound attenuation that air-flow has, so its noise is little, output gas flow is stable.
Claims (9)
1. labyrinth silencing air output assembly for micro air pump; Comprise the loam cake (1) of mutual fastening and the lid (2) of eliminating the noise; Loam cake (1) is provided with air outlet (4); The lid (2) of eliminating the noise connects the cylinder of micro air pump, it is characterized in that said noise elimination lid (2) is provided with the boss of giving vent to anger (12), and the boss of giving vent to anger (12) is provided with the air outlet hole (13) that is communicated with the micro air pump cylinder; Loam cake (1) back side is provided with the collection chamber envelope wall (5) that surrounds the boss (12) of giving vent to anger; In the collection chamber envelope wall (5) is collection chamber (6); The inside of collection chamber envelope wall (5) be provided with peripheral one-level anechoic chamber cut off (22) with in the secondary anechoic chamber partition (23) that encloses; The cavity that the one-level anechoic chamber cuts off between (22) and the secondary anechoic chamber partition (23) is one-level anechoic chamber (8); It is the secondary anechoic chamber (9) that is communicated with air outlet (4) that the secondary anechoic chamber cuts off the cavity that forms in (23), and the one-level anechoic chamber cuts off the air inlet duct (7) that (22) are provided with connected set air chamber (6); The position that the lid (2) of eliminating the noise is gone up corresponding one-level anechoic chamber (8) is provided with protruding one-level labyrinth partition (16), and the position of corresponding secondary anechoic chamber (9) is provided with protruding secondary maze and cuts off (17).
2. labyrinth silencing air output assembly for micro air pump according to claim 1, it is characterized in that the said boss of giving vent to anger (12) go up air outlet hole (13) around be provided with anti-deforming loose core (15).
3. labyrinth silencing air output assembly for micro air pump according to claim 1, the quantity that it is characterized in that the said boss of giving vent to anger (12) is four, collection chamber envelope wall (5) surrounds into the quatrefoil shape.
4. labyrinth silencing air output assembly for micro air pump according to claim 1 is characterized in that said secondary anechoic chamber partition (23) is provided with stiffening rib and dodges notch (10).
5. labyrinth silencing air output assembly for micro air pump according to claim 1 is characterized in that being provided with labyrinth stiffening rib (18) between said one-level labyrinth partition (16) and the secondary maze partition (17).
6. labyrinth silencing air output assembly for micro air pump according to claim 1 is characterized in that being provided with anechoic chamber's stiffening rib (11) in said one-level anechoic chamber (8) and secondary anechoic chamber (9).
7. labyrinth silencing air output assembly for micro air pump according to claim 1 is characterized in that the said boss of giving vent to anger (12) middle part is provided with Umbrella not dipping water while closing positioning hole (14), is provided with Umbrella not dipping water while closing (3) in the Umbrella not dipping water while closing positioning hole (14).
8. labyrinth silencing air output assembly for micro air pump according to claim 7; It is characterized in that said Umbrella not dipping water while closing (3) is made up of umbrella head (19), umbrella handle (20) and positioning head (21); Umbrella head (19) lower end surface contacts with the boss of giving vent to anger (12) sealing; umbrella handle (20) is positioned at Umbrella not dipping water while closing positioning hole (14), and positioning head (21) is arranged on umbrella handle (20) lower end and the terminal positioning table (24) of Umbrella not dipping water while closing positioning hole (14) is fixed.
9. labyrinth silencing air output assembly for micro air pump according to claim 1 is characterized in that the said boss of giving vent to anger (12) upper surface is a minute surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010189895XA CN101915229B (en) | 2010-06-02 | 2010-06-02 | Labyrinth silencing air output assembly for micro air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010189895XA CN101915229B (en) | 2010-06-02 | 2010-06-02 | Labyrinth silencing air output assembly for micro air pump |
Publications (2)
| Publication Number | Publication Date |
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| CN101915229A CN101915229A (en) | 2010-12-15 |
| CN101915229B true CN101915229B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010189895XA Active CN101915229B (en) | 2010-06-02 | 2010-06-02 | Labyrinth silencing air output assembly for micro air pump |
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| CN (1) | CN101915229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110741195A (en) * | 2017-03-30 | 2020-01-31 | 唐纳森公司 | Vent with pressure reducing valve |
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| US9989159B2 (en) * | 2014-05-01 | 2018-06-05 | Fisher Controls International Llc | Vent assembly and method for a digital valve positioner |
| JP6402247B2 (en) * | 2014-09-12 | 2018-10-10 | 廈門科際精密器材有限公司 | air pump |
| CN105422415B (en) * | 2014-09-12 | 2017-11-10 | 厦门科际精密器材有限公司 | Air pump |
| CN105464981B (en) * | 2016-01-19 | 2017-07-07 | 浙江万安泵业有限公司 | A kind of double acting vavuum pump |
| CN106762552B (en) * | 2017-03-17 | 2018-12-25 | 东莞市德昆珑电子科技有限公司 | The ventilation box of the mechanism of admission gear and use for air compressor ventilation box |
| CN109394018A (en) * | 2017-08-18 | 2019-03-01 | 美的集团股份有限公司 | Base assembly and cooking machine |
| CN111678257B (en) * | 2020-06-16 | 2022-03-08 | 宁波方太厨具有限公司 | Silencing structure and combustion chamber comprising same |
| DE102020132143A1 (en) | 2020-12-03 | 2022-06-09 | Faurecia Autositze Gmbh | pneumatic system |
| 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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| CN201159155Y (en) * | 2007-11-27 | 2008-12-03 | 常州市昊升电机有限公司 | Air pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6716003B2 (en) * | 2002-05-06 | 2004-04-06 | Chih-Ming Chen | Structure for an air pump |
| US20040179954A1 (en) * | 2003-03-13 | 2004-09-16 | Eiko Electric Products Corp. | Structure of air pump with low noise |
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Patent Citations (6)
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| CN201159155Y (en) * | 2007-11-27 | 2008-12-03 | 常州市昊升电机有限公司 | Air pump |
| CN201125858Y (en) * | 2007-11-30 | 2008-10-01 | 刘平 | Low noise miniature air pump |
| CN201218181Y (en) * | 2008-06-11 | 2009-04-08 | 汤建 | Miniature silencing air pump |
| CN201288668Y (en) * | 2008-10-10 | 2009-08-12 | 上海熊猫机械集团通用设备有限公司 | Novel labyrinth type inhaling muffler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110741195A (en) * | 2017-03-30 | 2020-01-31 | 唐纳森公司 | Vent with pressure reducing valve |
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| Publication number | Publication date |
|---|---|
| CN101915229A (en) | 2010-12-15 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yao Guan Zhen Yin Shu Industrial Park 213011 Jiangsu city of Changzhou province (State Road 312 cross section) Co-patentee after: Changzhou Haoyuan Electronic Technology Co.,Ltd. Patentee after: Changzhou Haosheng Electric Co.,Ltd. Address before: Yao Guan Zhen Yin Shu Industrial Park 213011 Jiangsu city of Changzhou province (State Road 312 cross section) Co-patentee before: Changzhou Haoyuan Electronic Technology Co.,Ltd. Patentee before: CHANGZHOU HAOSHENG MOTOR CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200605 Address after: Building 16, new material industrial park, No. 666, Daluo Road, Yaoguan Town, economic development zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Haosheng Electric Co.,Ltd. Address before: Yao Guan Zhen Yin Shu Industrial Park 213011 Jiangsu city of Changzhou province (State Road 312 cross section) Co-patentee before: CHANGZHOU HAOYUAN ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: Changzhou Haosheng Electric Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Labyrinth silencing air outlet assembly for miniature air pump Effective date of registration: 20220721 Granted publication date: 20120822 Pledgee: Industrial and Commercial Bank of China Limited Changzhou Economic Development Zone sub branch Pledgor: Changzhou Haosheng Electric Co.,Ltd. Registration number: Y2022980010963 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |