CN206448921U - Silencing apparatus and air pump mechanism - Google Patents
Silencing apparatus and air pump mechanism Download PDFInfo
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- CN206448921U CN206448921U CN201720093712.1U CN201720093712U CN206448921U CN 206448921 U CN206448921 U CN 206448921U CN 201720093712 U CN201720093712 U CN 201720093712U CN 206448921 U CN206448921 U CN 206448921U
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- sound
- silencing cavity
- silencing
- air pump
- muffling box
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Abstract
The utility model discloses a kind of silencing apparatus and air pump mechanism.The silencing apparatus includes housing, shock-absorbing sleeve and sound attenuation features；The housing has air inlet, gas outlet and sound insulation chamber, and the air inlet and the gas outlet are communicated in the sound insulation chamber；The damping is set on the sound insulation intracavitary to be arranged for micro air pump；The sound attenuation features have the first sound-muffling box and the second sound-muffling box, and first sound-muffling box has the first silencing cavity, and the air inlet is communicated in first silencing cavity, and first silencing cavity is additionally operable to be communicated in the inlet end of the micro air pump；Second sound-muffling box has the second silencing cavity, and the air inlet is communicated in second silencing cavity, and second silencing cavity is additionally operable to be communicated in the outlet side of the micro air pump.The air pump mechanism includes silencing apparatus.The silencing apparatus excellent noise reduction effect.
Description
Technical field
The utility model is related to micro air pump field, more particularly to a kind of silencing apparatus and air pump mechanism.
Background technology
Current products many on the market all employ micro air pump, such as massage device, sphygmomanometer, Easy pillow, snore relieving pad, fill
Air-bed etc., the basic functional principle of micro air pump is taken offence pump crankcase by motor belt motor, so as to drive piston to be inflated, it is to avoid no
The certain noise of generation, current on the market air pump noise is general in 55dB, very big with respect to indoor environment, micro air pump
Noise notices that there are motor noise itself, air pump bent axle and motor shaft contact point noise, air pump piston friction of motion and air in source
Noise.The noise reduction of the product of current market mainly has vibration isolation, sound-absorbing mode, but effect is all undesirable, and noise is still very big.
Utility model content
Based on this, it is necessary to provide a kind of silencing apparatus of excellent noise reduction effect.
A kind of silencing apparatus, including housing, shock-absorbing sleeve and sound attenuation features；The housing have air inlet, gas outlet with
And sound insulation chamber, the air inlet and the gas outlet are communicated in the sound insulation chamber；The damping is set on the sound insulation chamber
It is interior to be arranged for confession micro air pump；The sound attenuation features have the first sound-muffling box and the second sound-muffling box, first noise reduction
Box has the first silencing cavity, and the air inlet is communicated in first silencing cavity, and first silencing cavity is additionally operable to be communicated in institute
State the inlet end of micro air pump；Second sound-muffling box has the second silencing cavity, and the air inlet is communicated in second noise reduction
Chamber, second silencing cavity is additionally operable to be communicated in the outlet side of the micro air pump.
In one of the embodiments, there are multiple dividing plates, multiple dividing plates are respectively in institute in first sound-muffling box
State and be interspersed on the relative inwall of the first silencing cavity, to cause the advance route of the gas entered in first silencing cavity to be in
The advance route of roundabout shape and the noise entered in first silencing cavity is in roundabout shape.
In one of the embodiments, there is valve, the gas respectively on two relative surfaces of first sound-muffling box
The dividing plate that mouth is communicated in first silencing cavity, first silencing cavity has the table of valve parallel to first sound-muffling box
Face.
In one of the embodiments, the air inlet valve corresponding with first sound-muffling box and between
Connected by connecting tracheae.
In one of the embodiments, there are multiple dividing plates, multiple dividing plates are respectively in institute in second silencing cavity
State and be interspersed on the relative inwall of the second silencing cavity, to cause the advance route of the gas entered in second silencing cavity to be in
The advance route of roundabout shape and the noise entered in second silencing cavity is in roundabout shape.
In one of the embodiments, there is valve, the gas respectively on two relative surfaces of second sound-muffling box
The dividing plate that mouth is communicated in second silencing cavity, second silencing cavity has the table of valve parallel to second sound-muffling box
Face.
In one of the embodiments, the gas outlet valve corresponding with second sound-muffling box and between
Connected by connecting tracheae.
In one of the embodiments, in addition to acoustical cotton layer, the inwall of the sound insulation chamber is provided with acoustical cotton layer.
In one of the embodiments, the housing include the first cap and the second cap, first cap and
Second cap is respectively provided with storage tank, first cap and second shell matching connection, what the first shell was covered
The storage tank that storage tank and the second shell are covered coordinates to form the sound insulation chamber.
Another object of the present utility model, which is also resided in, provides a kind of air pump mechanism of good muffling effect.
A kind of air pump mechanism, including micro air pump, in addition to described silencing apparatus, the micro air pump are set in described
In shock-absorbing sleeve, and the inlet end of the micro air pump is connected with first silencing cavity, the outlet side of the micro air pump and institute
State the connection of the second silencing cavity.
Above-mentioned silencing apparatus, including housing, shock-absorbing sleeve and sound attenuation features；The housing has air inlet, gas outlet
And sound insulation chamber, the air inlet and the gas outlet are communicated in the sound insulation chamber；The setting of sound insulation chamber reduces miniature gas
A part of noise of pump.The damping is set on the sound insulation intracavitary to be arranged for micro air pump；The setting of shock-absorbing sleeve
Reduce a part of noise of micro air pump.The sound attenuation features have the first sound-muffling box and the second sound-muffling box, described first
Sound-muffling box has the first silencing cavity, and the air inlet is communicated in first silencing cavity, and first silencing cavity is additionally operable to connection
In the inlet end of the micro air pump；Second sound-muffling box has the second silencing cavity, and the air inlet is communicated in described second
Silencing cavity, second silencing cavity is additionally operable to be communicated in the outlet side of the micro air pump.First sound-muffling box and the second noise reduction
The setting of box reduces a part of noise of the gas of flowing.Above-mentioned comprehensive setting, can effectively reduce micro air pump and
Noise when gas flows, excellent noise reduction effect.
Above-mentioned silencing apparatus, is provided with dividing plate, to enter institute also in the first sound-muffling box and the second sound-muffling box
The advance route for stating the gas in the first silencing cavity is in roundabout shape, and the advance route into the gas in second silencing cavity is in
Roundabout shape, gas is advanced in roundabout shape, can substantially reduce the flow rate of gas, effectively changes gas flow direction to lower
Noise, noise reduction is obvious.
Brief description of the drawings
Fig. 1 is an embodiment air pump mechanism schematic diagram.
Description of reference numerals
10th, air pump mechanism；100th, micro air pump；110th, inlet end；120th, outlet side；200th, silencing apparatus；210th, housing；
211st, air inlet；212nd, gas outlet；213rd, sound insulation chamber；220th, acoustical cotton layer；230th, shock-absorbing sleeve；241st, the first sound-muffling box；2411、
First silencing cavity；242nd, the second sound-muffling box；2421st, the second silencing cavity；243rd, valve；244th, dividing plate；250th, tracheae is connected.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
The arbitrary and all combination of one or more related Listed Items.
Shown in Figure 1, the present embodiment relate to a kind of air pump mechanism 100.The air pump mechanism 100 includes micro air pump
100 and silencing apparatus 200.
Shown in Figure 1, above-mentioned silencing apparatus 200 includes housing 210, acoustical cotton layer 220, shock-absorbing sleeve 230 and disappeared
Line part.The housing 210 has air inlet 211, gas outlet 212 and sound insulation chamber 213.The air inlet 211 and described
Gas outlet 212 is communicated in the sound insulation chamber 213；The inwall of the sound insulation chamber 213 is provided with acoustical cotton layer 220.
Shown in Figure 1, the housing 210 includes the first cap and the second cap, first cap and described
Second cap is respectively provided with storage tank, first cap and second shell matching connection, and it is accommodating that the first shell is covered
The storage tank that groove and the second shell are covered cooperatively forms the sound insulation chamber 213.
Shown in Figure 1, the shock-absorbing sleeve 230 is arranged in the sound insulation chamber 213, and micro air pump 100 is set in damping
In set 230, in the present embodiment, the shock-absorbing sleeve 230 is soft silica gel set.
Shown in Figure 1, the sound attenuation features have the first sound-muffling box 241 and the second sound-muffling box 242.Described first disappears
Sound box 241 has the first silencing cavity 2411, and the air inlet 211 is communicated in first silencing cavity 2411, first noise reduction
Chamber 2411 is additionally operable to be communicated in the inlet end 110 of the micro air pump 100.
It is shown in Figure 1, there are multiple dividing plates 244, multiple dividing plates 244 exist respectively in first sound-muffling box 241
It is interspersed on the relative inwall of first silencing cavity 2411, to cause the gas into first silencing cavity 2411
Advance route is in roundabout shape in the advance route of roundabout shape and the noise entered in first silencing cavity 2411, when dividing plate
When quantity is two, the advance route into the gas in first silencing cavity 2411 is in serpentine.First sound-muffling box
There is valve 243 respectively, the valve 243 is communicated in first silencing cavity 2411 on 241 two relative surfaces, described the
Dividing plate 244 in one silencing cavity 2411 has the surface of valve 243 parallel to first sound-muffling box 241.
Shown in Figure 1, the air inlet 211 valve 243 corresponding with first sound-muffling box 241 is therewith
Between connected by connecting tracheae 250.
Shown in Figure 1, second sound-muffling box 242 has the second silencing cavity 2421, and the air inlet 211 is communicated in institute
The second silencing cavity 2421 is stated, second silencing cavity 2421 is additionally operable to be communicated in the outlet side 120 of the micro air pump 100.Institute
Stating in the second silencing cavity 2421 has multiple dividing plates 244, and multiple dividing plates 244 are relative in second silencing cavity 2421 respectively
Inwall on be interspersed, to cause the advance route of the gas entered in second silencing cavity 2421 in roundabout shape and entering
The advance route for entering noise in second silencing cavity 2421 is in roundabout shape, when the quantity of dividing plate is two, into described
The advance route of gas in second silencing cavity 2421 is in serpentine.
It is shown in Figure 1, there is valve 243, the valve respectively on two relative surfaces of second sound-muffling box 242
243 are communicated in dividing plate 244 in second silencing cavity 2421, second silencing cavity 2421 parallel to second sound-muffling box
242 have the surface of valve 243.The gas outlet 212 valve 243 corresponding with second sound-muffling box 242 with
Between connected by connecting tracheae 250.
Above-mentioned silencing apparatus 200, including housing 210, shock-absorbing sleeve 230 and sound attenuation features；The housing 210 have into
Gas port 211, gas outlet 212 and sound insulation chamber 213, the air inlet 211 and the gas outlet 212 are communicated in the sound insulation chamber
213；The setting of sound insulation chamber 213 reduces a part of noise of micro air pump 100.The shock-absorbing sleeve 230 is arranged on the sound insulation
It is arranged in chamber 213 for confession micro air pump 100；The setting of shock-absorbing sleeve 230 reduces a part of noise of micro air pump 100.
The sound attenuation features have the first sound-muffling box 241 and the second sound-muffling box 242, and first sound-muffling box 241 has the first noise reduction
Chamber 2411, the air inlet 211 is communicated in first silencing cavity 2411, and first silencing cavity 2411 is additionally operable to be communicated in institute
State the inlet end 110 of micro air pump 100；Second sound-muffling box 242 has the second silencing cavity 2421, and the air inlet 211 connects
Second silencing cavity 2421 is passed through, second silencing cavity 2421 is additionally operable to be communicated in the outlet side of the micro air pump 100
120.The setting of first sound-muffling box 241 and the second sound-muffling box 242 reduces a part of noise of the gas of flowing.Above-mentioned is comprehensive
Close and set, can effectively reduce noise when micro air pump 100 and gas flowing, excellent noise reduction effect.
Above-mentioned silencing apparatus 200, is also provided with dividing plate 244 in the first sound-muffling box 241 and the second sound-muffling box 242,
To cause the advance route of the gas entered in first silencing cavity 2411 in roundabout shape and enter first silencing cavity
The advance route of gas in 2411 is in roundabout shape, and the advance route into the gas in second silencing cavity 2421 is in roundabout
The advance route of shape and the noise entered in second silencing cavity 2421 is in roundabout shape, and gas and noise are S-shaped to advance,
It can substantially reduce the flow rate of gas, and the roundabout shape of two Jing Yin boxes employs sound wave and returned and offsets principle, class
Like the muffler of automobile, noise can be substantially reduced, noise reduction is obvious.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of silencing apparatus, it is characterised in that including housing, shock-absorbing sleeve and sound attenuation features；The housing have air inlet,
Gas outlet and sound insulation chamber, the air inlet and the gas outlet are communicated in the sound insulation chamber；The damping is set on institute
Sound insulation intracavitary is stated to be arranged for micro air pump；The sound attenuation features have the first sound-muffling box and the second sound-muffling box, described
First sound-muffling box has the first silencing cavity, and the air inlet is communicated in first silencing cavity, and first silencing cavity is additionally operable to
It is communicated in the inlet end of the micro air pump；Second sound-muffling box has the second silencing cavity, and the air inlet is communicated in described
Second silencing cavity, second silencing cavity is additionally operable to be communicated in the outlet side of the micro air pump.
2. silencing apparatus according to claim 1, it is characterised in that have multiple dividing plates in first sound-muffling box, more
The individual dividing plate is interspersed on the relative inwall of first silencing cavity respectively, to enter in first silencing cavity
Gas advance route in roundabout shape and enter first silencing cavity in noise advance route be in roundabout shape.
3. silencing apparatus according to claim 2, it is characterised in that divide on two relative surfaces of first sound-muffling box
Not Ju You valve, the valve is communicated in dividing plate in first silencing cavity, first silencing cavity parallel to described first
Sound-muffling box has the surface of valve.
4. silencing apparatus according to claim 3, it is characterised in that the air inlet and the phase on first sound-muffling box
The valve answered is connected between by connecting tracheae.
5. the silencing apparatus according to claim 1-4 any one, it is characterised in that have in second silencing cavity many
Individual dividing plate, multiple dividing plates are interspersed on the relative inwall of second silencing cavity respectively, to enter described the
The advance route of gas in two silencing cavities is in roundabout shape and the advance route of noise entered in second silencing cavity
Roundabout shape.
6. silencing apparatus according to claim 5, it is characterised in that divide on two relative surfaces of second sound-muffling box
Not Ju You valve, the valve is communicated in dividing plate in second silencing cavity, second silencing cavity parallel to described second
Sound-muffling box has the surface of valve.
7. silencing apparatus according to claim 6, it is characterised in that the gas outlet and the phase on second sound-muffling box
The valve answered is connected between by connecting tracheae.
8. the silencing apparatus according to claim 1-4 any one, it is characterised in that also including acoustical cotton layer, it is described every
The inwall of sound chamber is provided with acoustical cotton layer.
9. the silencing apparatus according to claim 1-4 any one, it is characterised in that the housing include the first cap with
And second cap, first cap and second cap are respectively provided with storage tank, first cap and described second
Shell matching connection, the storage tank that the storage tank and the second shell that the first shell is covered are covered coordinates to form the sound insulation
Chamber.
10. a kind of air pump mechanism, including micro air pump, it is characterised in that also including quiet described in claim 1-9 any one
Mixer, the micro air pump is set in the shock-absorbing sleeve, and the inlet end of the micro air pump and first silencing cavity
Connection, the outlet side of the micro air pump is connected with second silencing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093712.1U CN206448921U (en) | 2017-01-23 | 2017-01-23 | Silencing apparatus and air pump mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093712.1U CN206448921U (en) | 2017-01-23 | 2017-01-23 | Silencing apparatus and air pump mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448921U true CN206448921U (en) | 2017-08-29 |
Family
ID=59667843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093712.1U Active CN206448921U (en) | 2017-01-23 | 2017-01-23 | Silencing apparatus and air pump mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448921U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638600A (en) * | 2017-10-19 | 2018-01-30 | 新海科技集团有限公司 | Electronic nose sucking device |
| CN108721744A (en) * | 2018-06-14 | 2018-11-02 | 黄鹏飞 | A kind of squelch type lung ventilator |
| WO2022000741A1 (en) * | 2020-07-01 | 2022-01-06 | 海信（山东）冰箱有限公司 | Refrigerator |
-
2017
- 2017-01-23 CN CN201720093712.1U patent/CN206448921U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638600A (en) * | 2017-10-19 | 2018-01-30 | 新海科技集团有限公司 | Electronic nose sucking device |
| CN108721744A (en) * | 2018-06-14 | 2018-11-02 | 黄鹏飞 | A kind of squelch type lung ventilator |
| CN108721744B (en) * | 2018-06-14 | 2021-05-18 | 深圳市华医安全医疗科技有限公司 | Mute type breathing machine |
| WO2022000741A1 (en) * | 2020-07-01 | 2022-01-06 | 海信（山东）冰箱有限公司 | Refrigerator |
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