CN208778177U - A kind of air compressor machine noise-decreasing device - Google Patents
A kind of air compressor machine noise-decreasing device Download PDFInfo
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- CN208778177U CN208778177U CN201821378765.9U CN201821378765U CN208778177U CN 208778177 U CN208778177 U CN 208778177U CN 201821378765 U CN201821378765 U CN 201821378765U CN 208778177 U CN208778177 U CN 208778177U
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Abstract
The utility model relates to compressed air unit fields, disclose a kind of air compressor machine noise-decreasing device, including cabinet, box house is provided with the inner cavity for placing air compressor machine, silencing cavity is additionally provided between the cabinet and inner cavity, the silencing cavity is interior to be disposed with dampening foams layer and peak sponge layer from inner cavity to cabinet direction.The utility model opens up silencing cavity in cabinet, and dampening foams layer and peak sponge layer are set gradually in silencing cavity, so that the noise that air compressor machine generates is absorbed by dampening foams layer and peak sponge layer, to reduce the outflow of noise, improves working environment.
Description
Technical field
The present invention relates to compressed air unit field, in particular to a kind of air compressor machine noise-decreasing device.
Background technique
Air compressor machine is widely used in machine-building, steel, metallurgy, shipbuilding, weaving, electronics, change as a kind of common apparatus
Work, petroleum, mine, light industry, food, medicine and other fields.It is a kind of modern production important common apparatus in the process
Air compressor machine can generate biggish noise in use, generate noise pollution, influence the use environment in workshop.
Utility model content
The purpose of the utility model is to provide a kind of air compressor machine noise-decreasing devices, by the way that cabinet is arranged outside air compressor machine and in case
Internal portion adds dampening foams layer and peak sponge layer to weaken the noise being pierced by from cabinet, and the noise for reducing air compressor machine is dirty
Dye, improves the use environment in workshop.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of air compressor machine noise abatement dress
It sets, including cabinet, box house is provided with the inner cavity for placing air compressor machine, is additionally provided with noise reduction between the cabinet and inner cavity
Chamber, the silencing cavity is interior to be disposed with dampening foams layer and peak sponge layer from inner cavity to cabinet direction.
By using above-mentioned technical proposal, in use, air compressor machine is placed in the intracorporal inner cavity of case, air compressor machine is sent out when enabling
Noise out, noise is by passing to the side wall for being transmitted to silencing cavity close to inner cavity by the wall of inner cavity again in inner cavity, due in silencing cavity
It is disposed with dampening foams layer and peak sponge layer, dampening foams layer and peak sponge layer are weakened and are absorbed to sound wave,
So that noise reduces, even disappear so that the noise spread out of on cabinet exterior reduces, structure is simple, and noise reduction effect is good.
Be further arranged to: the wall box is equipped with the inlet channel of several connection inner cavities, and the top of the box is set
It is equipped with outlet passageway, the air duct in the inlet channel and outlet passageway is fold-line-shaped.
More heat, which can be generated, by using above-mentioned technical proposal, in air compressor machine use process makes box interior temperature
Rise, by setting outlet passageway and inlet channel, when the air themperature of box house increases, air pressure is opposite reduces, so that outside
Convection current occurs for portion's air and box house air, so that case body temperature reduces, reaches cooling effect；By inlet channel and
Air duct in outlet passageway is set as fold-line-shaped and increases sound from inlet channel and the outlet passageway outflow road to be passed through of cabinet
Journey, while constantly refraction reduces the size of sound in air duct using sound, thus be effectively reduced noise from outlet passageway and
It is spread out of outside cabinet in inlet channel.
Be further arranged to: the air duct surfaces in the inlet channel and outlet passageway are equipped with sound-absorbing porous material layer.
By using above-mentioned technical proposal, make noise from air duct by the way that sound-absorbing porous material layer is arranged in air duct surfaces
In absorbed by sound-absorbing porous material layer when transmitting outward, preferably prevent noise from revealing from outlet passageway and inlet channel.
Be further arranged to: the sound-absorbing porous material layer be set to the fold-line-shaped air duct of inlet channel leeward and
The windward side in the fold-line-shaped air duct of outlet passageway.
Constantly be absorbed in fold-line-shaped air duct by using above-mentioned technical proposal, when noise transmits in the intake channel and
Reflection, the sound wave that inlet channel and outlet passageway are pierced by after multiple reflections forms noise pollution, in the broken line of inlet channel
The windward side setting sound-absorbing porous material layer in the fold-line-shaped air duct of the leeward and outlet passageway in shape air duct is set relative to whole
It sets and has saved half of materials, while still can preferably reduce the intensity of sound wave, prevent noise from spreading out of.
Be further arranged to: four corners of the inner cavity are provided with air-cooled part, and the air-cooled part includes in being installed on
Motor on chamber side wall and the fan with the output axis connection of motor.
By using above-mentioned technical proposal, is dried under motor drive by the fan in air-cooled part, accelerate cabinets cavity
Interior air circulation enhances heat dissipation effect.
It is further arranged to: four corners that the inlet channel is set to wall box close to the bottom of box.
By using above-mentioned technical proposal, on the one hand interior intracavitary air is made to accelerate circulation using fan, on the other hand
It dries to form low pressure using fan, by the air sucking inner cavity in inlet channel, enhances pair of outside air and inner cavity air
Stream, enhances heat dissipation effect.
Be further arranged to: the fan is arranged towards air compressor machine direction.
By using above-mentioned technical proposal, so that the cooler air entered in inlet channel preferably blows to pneumatics by fan
Machine, make colder air and air compressor machine directly, Rapid contact so that air is more preferable to the cooling effect of air compressor machine, furthermore pneumatics
Machine sucking can more suck colder air and be compressed, and reduce the heat production of air compressor machine.
Be further arranged to: it is described it is interior it is intracavitary be provided with several shockproof feet, the shockproof foot includes being set to inner chamber bottom surface
Rubber pad, the bearing plate being set on rubber pad, the bolt being set on bearing plate and the spiral shell being threadedly connected on bolt
It is female.
Nut is then screwed in peace in use, bolt passes through the mounting hole on air compressor machine by using above-mentioned technical proposal
It fills above hole, air compressor machine is fixed between the two using nut and bearing plate after tightening, when air compressor machine starting, utilizes rubber
Rubber mat realizes buffering effect, reduces the vibration that air compressor machine is transmitted to inner chamber bottom surface, realizes that damping effect is made an uproar when shaking reduction
Sound can also further decrease.
Be further arranged to: being provided with door-plate in the cabinet one side wall, the door-plate and cabinet are hinged, the door-plate with
And jack is provided on cabinet, grafting is combined with bolt in the jack.
By using above-mentioned technical proposal, maintenance and replacement to air compressor machine are realized using the opening and closing of door-plate, is avoided
The trouble for needing to disassemble as cabinet when maintenance and replacement, while utilizing the fixation of bolt and jack cooperation time door-plate, door-plate
Opening and closing operations it is more convenient.
Be further arranged to: the dampening foams layer is provided with fire-retardant fireproof layer back to the side of peak sponge layer.
By using above-mentioned technical proposal, dampening foams layer and peak sponge layer are inflammable material, by steeping in noise reduction
When can be avoided air compressor machine failure back to the side of fire-retardant fireproof layer setting fire-retardant fireproof layer fire occurs for foam layer, and structure is simple,
Using safer.
In conclusion the utility model has the following beneficial effects:
1, dampening foams layer and peak sponge layer are disposed in silencing cavity, dampening foams layer and peak sponge layer are to sound
Wave is weakened and is absorbed, so that noise reduces, is even disappeared so that the noise spread out of on cabinet exterior reduces, structure letter
Single, noise reduction effect is good；
2, it is dried using the fan in air-cooled part air compressor machine, the suction that fan blowing generates enables the air outside cabinet
It is enough better that inner cavity is entered by inlet channel, and air compressor machine is fanned towards to carry out air-cooled, effective drop to air compressor machine
The low temperature of air compressor machine；
3, it is easy to leak out the noise generated when air compressor machine operating at inlet channel and outlet passageway, by inlet channel and outlet
Channel is arranged to fold-line-shaped, and is equipped with sound-absorbing porous material on the channel surface of fold-line-shaped so that this partial noise be absorbed with
And decaying, the noise leaked out from inlet channel and outlet passageway is finally reduced, ensure that whole noise reduction effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment air compressor machine noise-decreasing device；
Fig. 2 is the cross-sectional view of A-A in Fig. 1, to indicate shockproof in cabinet, silencing cavity, the structure of air-cooled part and inner cavity
The distribution of foot；
Fig. 3 is the cross-sectional view of B-B in Fig. 1, and the structure and inlet channel and outlet to indicate cabinet, silencing cavity are logical
Road；
Fig. 4 is enlarged drawing at C in Fig. 3, to indicate the structure of inlet channel；
Fig. 5 is enlarged drawing at D in Fig. 3, to indicate the structure of outlet passageway；
Fig. 6 is the structural schematic diagram of shockproof foot in embodiment；
Fig. 7 is enlarged drawing at E in Fig. 1, to indicate the connection relationship of door-plate and wall box.
In figure: 1, cabinet；11, fixinig plate；12, jack；2, inner cavity；3, silencing cavity；31, fire-retardant fireproof layer；32, noise reduction is steeped
Foam layer；33, peak sponge layer；41, inlet channel；42, outlet passageway；5, sound-absorbing porous material layer；6, air-cooled part；61, motor；
62, fan；7, shockproof foot；71, rubber pad；72, bearing plate；73, bolt；74, nut；8, door-plate；81, bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of air compressor machine noise-decreasing device is equipped with inside cabinet 1 for installing pneumatics as depicted in figs. 1 and 2, including cabinet 1
The inner cavity 2 of machine, cabinet 1 are iron case.
As shown in Figures 2 and 3, silencing cavity 3 is provided between cabinet 1 and inner cavity 2.
As shown in Figure 4 and Figure 5, fire-retardant fireproof layer 31, noise reduction are disposed with from inner cavity 2 to 1 direction of cabinet in silencing cavity 3
Froth bed 32, peak sponge layer 33.Fire-retardant fireproof layer 31 is fire-resistant gypsum panel.
As shown in figures 1 and 3,1 side wall of cabinet is equipped with the inlet channel 41 of connection inner cavity 2, and there are four inlet channels 41,
Inlet channel 41 is set to four corners of 1 side wall of cabinet close to 1 bottom of cabinet.Outlet passageway 42 is provided at the top of cabinet 1,
There are three outlet passageways 42, and inlet channel 41 and outlet passageway 42 penetrate cabinet 1 and silencing cavity 3.
As shown in Figure 4 and Figure 5, the air duct in inlet channel 41 and outlet passageway 42 is fold-line-shaped.Inlet channel 41
The windward side in the fold-line-shaped air duct of the leeward and outlet passageway 42 in fold-line-shaped air duct is equipped with sound-absorbing porous material layer 5.It is porous
Sound-absorbing material is aluminum fiber acoustic board.
As shown in Fig. 2, inner cavity 2 in positioned at inlet channel 41 position be equipped with air-cooled part 6, air-cooled part 6 include motor 61 with
And fan 62, motor 61 be fixed on 2 bottom surface of inner cavity and motor 61 output shaft and fan 62 it is coaxially connected.In air compressor machine is mounted on
Chamber middle position, fan 62 is upward towards air compressor machine blowing in 45 degree, thus the external world that will come in inlet channel 41
Air blows to air compressor machine and cools down to air compressor machine, and the air in inner cavity 2 is promoted to flow.
As shown in Figure 2 and Figure 6, it is set on 2 bottom surface of inner cavity there are four shockproof foot 7, shockproof foot 7 includes rubber pad 71, is set to rubber
Bearing plate 72 on rubber mat 71, the nut for being fixed on the bolt 73 of 72 upper surface of bearing plate and being threadedly connected on bolt 73
74.Mounting base is set in the bottom of air compressor machine, mounting base is equipped with mounting hole, and bolt 73 is passed through corresponding mounting hole, then benefit
The mounting base of air compressor machine is fixed between bearing plate 72 and nut 74 with nut 74.
As shown in Figure 2 and Figure 7, it is hinged with door-plate 8 on a side wall of cabinet 1, on the side wall of door-plate 8 and cabinet 1
Equipped with fixinig plate 11, jack 12 is offered on fixinig plate 11, in two jacks 12 while mating having same bolt 81.By inserting
Pin 81 passes through two jacks 12 to which door-plate 8 to be fixed on side wall, so that state of the cabinet 1 generally in seal closure.
In use, being turned on door-plate 8 by extracting bolt 81, air compressor machine is put into inner cavity 2, nut 74 is rushed into bolt 73
On back out, make bolt 73 pass through pneumatics motor spindle mounting plate on mounting hole, be tightened on bolt 73 by nut 74, thus
Air compressor machine is fixed in inner cavity 2 by shockproof foot 7, shut door-plate 8 and makes door by the way that bolt 81 is passed through two jacks 12
Plate 8 is closed.
Start motor 61, so that fan 62 dries to air compressor machine, accelerates the air circulation in inner cavity 2, so that air compressor machine obtains
To good cooling.62 back side of fan has certain suction, and the air outside cabinet 1 is preferably inhaled into inner cavity 2,
Reduce the air themperature of inner cavity 2.And this step divides air to enter behind inner cavity 2 largely to blow to air compressor machine by fan 62, to sky
The cooling effect of press is more preferable.
The noise generated in air compressor machine work is obstructed by silencing cavity 3, and a part of noise enters inlet channel 41 and outlet is logical
Road 42, when sound wave is passed on sound-absorbing porous material layer 5, intensity significantly decays, repeatedly refraction and absorb after, sound it is strong
Degree, which is greatly lowered, even to disappear.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of air compressor machine noise-decreasing device, which is characterized in that including cabinet (1), cabinet (1) is internally provided with for placing pneumatics
The inner cavity (2) of machine is additionally provided with silencing cavity (3) between the cabinet (1) and inner cavity (2), by inner cavity in the silencing cavity (3)
(2) dampening foams layer (32) and peak sponge layer (33) are disposed with to cabinet (1) direction.
2. a kind of air compressor machine noise-decreasing device according to claim 1, it is characterised in that: cabinet (1) side wall is equipped with
The inlet channel (41) of several connections inner cavity (2), cabinet (1) top are provided with outlet passageway (42), the inlet channel
(41) and the air duct in outlet passageway (42) is fold-line-shaped.
3. a kind of air compressor machine noise-decreasing device according to claim 2, it is characterised in that: the inlet channel (41) and outlet
Air duct surfaces in channel (42) are equipped with sound-absorbing porous material layer (5).
4. a kind of air compressor machine noise-decreasing device according to claim 3, it is characterised in that: the sound-absorbing porous material layer (5)
It is set to the windward side of the leeward in the fold-line-shaped air duct of inlet channel (41) and the fold-line-shaped air duct of outlet passageway (42).
5. a kind of air compressor machine noise-decreasing device according to claim 2, it is characterised in that: four corners of the inner cavity (2)
Place is provided with air-cooled part (6), and the air-cooled part (6) includes the motor (61) and and motor being installed on inner cavity (2) side wall
(61) fan (62) of output axis connection.
6. a kind of air compressor machine noise-decreasing device according to claim 5, it is characterised in that: the inlet channel (41) is set to
Four corners of cabinet (1) side wall close to cabinet (1) bottom.
7. a kind of air compressor machine noise-decreasing device according to claim 5, it is characterised in that: the fan (62) is towards air compressor machine
Direction setting.
8. a kind of air compressor machine noise-decreasing device according to claim 1, it is characterised in that: the inner cavity (2) is if interior be provided with
It does shockproof foot (7), the shockproof foot (7) includes the rubber pad (71) for being set to inner cavity (2) bottom surface, is set on rubber pad (71)
Bearing plate (72), the bolt (73) being set on bearing plate (72) and the nut (74) being threadedly connected on bolt (73).
9. a kind of air compressor machine noise-decreasing device according to claim 1, it is characterised in that: set in cabinet (1) one side wall
It being equipped with door-plate (8), the door-plate (8) and cabinet (1) hingedly, are provided with jack (12) on the door-plate (8) and cabinet (1),
The interior grafting of the jack (12) is combined with bolt (81).
10. a kind of air compressor machine noise-decreasing device according to claim 1, it is characterised in that: dampening foams layer (32) back
Fire-retardant fireproof layer (31) are provided with to the side of peak sponge layer (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378765.9U CN208778177U (en) | 2018-08-25 | 2018-08-25 | A kind of air compressor machine noise-decreasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378765.9U CN208778177U (en) | 2018-08-25 | 2018-08-25 | A kind of air compressor machine noise-decreasing device |
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| Publication Number | Publication Date |
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| CN208778177U true CN208778177U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821378765.9U Active CN208778177U (en) | 2018-08-25 | 2018-08-25 | A kind of air compressor machine noise-decreasing device |
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| CN (1) | CN208778177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578670A (en) * | 2019-09-17 | 2019-12-17 | 河南万江新能源集团有限公司 | effectual protection device for heat pump set gives sound insulation |
-
2018
- 2018-08-25 CN CN201821378765.9U patent/CN208778177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578670A (en) * | 2019-09-17 | 2019-12-17 | 河南万江新能源集团有限公司 | effectual protection device for heat pump set gives sound insulation |
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