CN111207058B - Noise reduction device for air compressor and corresponding air compressor - Google Patents
Noise reduction device for air compressor and corresponding air compressor Download PDFInfo
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- CN111207058B CN111207058B CN202010151261.9A CN202010151261A CN111207058B CN 111207058 B CN111207058 B CN 111207058B CN 202010151261 A CN202010151261 A CN 202010151261A CN 111207058 B CN111207058 B CN 111207058B
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- Prior art keywords
- buffer
- valve plate
- silencing
- noise reduction
- air compressor
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- 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
- F04B39/0083—Pulsation and noise damping means using blow off silencers
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
本发明涉及一种用于空压机的消音降噪装置，包括依次层叠设置的内阀板、外阀板和气缸盖，与所述的外阀板相贴合的所述的内阀板的端部设置缓冲腔，内阀板设置数个用于通入气体的第一贯穿孔，每个所述的第一贯穿孔与所述的缓冲腔相连通，所述的外阀板设置数个第二贯穿孔，每个所述的第二贯穿孔与所述的缓冲腔相连通，所述的与所述的外阀板相贴合的所述的气缸盖的端部设置曲形槽，所述的曲形槽与所述的第二贯穿孔相连通，使得所述的内阀板、外阀板和气缸盖之间形成消音降噪通道，气体由消音降噪通道中的第一贯穿孔进入经过所述的消音降噪通道中的曲形槽排出。本发明还提供了相应的空压机。采用本发明产品，气体经消音降噪通道排出，有效降低噪音。
The present invention relates to a silencing and noise reduction device for an air compressor, comprising an inner valve plate, an outer valve plate and a cylinder head which are stacked in sequence, a buffer cavity is arranged at the end of the inner valve plate which fits the outer valve plate, the inner valve plate is provided with a plurality of first through holes for introducing gas, each of the first through holes is connected to the buffer cavity, the outer valve plate is provided with a plurality of second through holes, each of the second through holes is connected to the buffer cavity, a curved groove is arranged at the end of the cylinder head which fits the outer valve plate, the curved groove is connected to the second through holes, so that a silencing and noise reduction channel is formed between the inner valve plate, the outer valve plate and the cylinder head, and the gas enters the silencing and noise reduction channel from the first through holes and is discharged through the curved groove in the silencing and noise reduction channel. The present invention also provides a corresponding air compressor. When the product of the present invention is adopted, the gas is discharged through the silencing and noise reduction channel, effectively reducing the noise.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to the technical field of air compressors, and specifically relates to a silencing and noise reducing device for an air compressor and a corresponding air compressor.
Background
The air compressor, namely an air compressor, is a main body in an air source device, is a device for converting mechanical energy of a motor into air pressure energy, and is an air pressure generating device for compressed air; the motor is mainly used for directly driving a crankshaft (eccentric device) to generate rotary motion, and driving a connecting rod to generate reciprocating motion to cause the volume change of a cylinder, so that the repetitive work of air suction, air compression and air exhaust is performed.
When the air compressor finishes repetitive work of air suction, air compression and air exhaust, noise is generated, so that the problems of noise reduction and noise reduction of the air compressor are required to be fully considered in design.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the silencing and noise reducing device for the air compressor and the corresponding air compressor, which have the advantages of simple structure, convenience in processing and installation and obvious effect.
In order to achieve the above object, according to one aspect of the present invention, there is provided a noise reduction device for an air compressor, comprising:
The device include the interior valve plate, outer valve plate and cylinder head that stack gradually and set up, with outer valve plate laminating mutually the tip of interior valve plate set up the cushion chamber, interior valve plate set up the first through-hole that the several is used for letting in gas, every first through-hole with the cushion chamber be linked together, outer valve plate set up the second through-hole of several, every the second through-hole with the cushion chamber be linked together, with outer valve plate laminating mutually the tip of cylinder head set up the curved slot, the curved slot with second through-hole be linked together for interior valve plate, outer valve plate and cylinder head between form the amortization passageway of making an uproar, gas by the first through-hole in the amortization passageway of making an uproar get into through the curved slot in the amortization passageway of making an uproar and discharge.
Preferably, the buffer cavity is configured to buffer a first region and a second region of the gas exhausted from the first through hole, and the second region is configured to correspond to the second through hole, so that the gas buffered by the first region and the second region is exhausted from the second region to the second through hole.
Preferably, the first area has a plurality of first buffer units, the first buffer units include a pair of first side walls and a first buffer wall between the pair of first side walls, a first buffer chamber is formed between the first buffer wall and the first side walls, the first buffer wall has a first inclined surface, each first buffer wall corresponds to one first through hole, so that the gas discharged from the first through hole flows along the first inclined surface of the first buffer wall and rises to be dispersed into the first buffer chambers at two sides of the first inclined surface.
Preferably, the first side wall has a second inclined surface, and the inclination of the second inclined surface is greater than that of the first inclined surface.
Preferably, the second area has a plurality of second buffer units, the second buffer units include a pair of second side walls and a second buffer wall between the pair of second side walls, a second buffer chamber is formed between the second buffer wall and the second side walls, the second buffer wall has a third inclined surface, each second buffer wall corresponds to one first through hole, so that the gas discharged from the first through hole flows along the third inclined surface of the first buffer wall and rises to be dispersed into the second buffer chambers on two sides of the third inclined surface.
Preferably, the second side wall has a fourth inclined surface, and the inclination of the fourth inclined surface and the inclination of the third inclined surface are both minimum.
Preferably, the aperture of the first through hole is 2-3 times that of the second through hole.
Preferably, the plurality of first through holes are distributed in the inner valve plate in a circular shape.
Preferably, the curved groove has at least two bending parts.
The invention further provides an air compressor, wherein the silencing and noise reducing device is arranged on the air compressor.
By adopting the silencing and noise-reducing device for the air compressor and the corresponding air compressor, air is discharged through the silencing and noise-reducing channel, so that noise is effectively reduced.
Drawings
Fig. 1 is a perspective view of an inner valve plate in a noise damping and reducing device of the present invention.
Fig. 2 is a front view of an inner valve plate in the noise damping and reducing device of the present invention.
Fig. 3 is a rear view of an inner valve plate in the noise damping and reducing device of the present invention.
Fig. 4 is a front view of an outer valve plate in the noise damping and reducing device of the present invention.
Fig. 5 is a rear view of an outer valve plate in the noise damping and reducing device of the present invention.
Fig. 6 is a perspective view of a cylinder head in the noise reducing and silencing apparatus of the present invention.
Fig. 7 is a front view of a cylinder head in the noise reducing and silencing apparatus of the present invention.
Detailed Description
In order to more clearly describe the technical contents of the present invention, the following is further described in connection with specific embodiments.
As shown in fig. 1 to 7, an embodiment of the noise reduction device for an air compressor according to the present invention is provided, wherein the device includes an inner valve plate 100, an outer valve plate 200 and a cylinder head 300 which are sequentially stacked, the outer valve plate 200 is mounted on the inner valve plate 100, the cylinder head 300 is mounted on the outer valve plate 200, and the noise reduction device is integrally mounted on a cylinder of the air compressor.
In the silencing and noise reducing device provided by the invention, a silencing and noise reducing channel is formed among the inner valve plate 100, the outer valve plate 200 and the cylinder cover 300, and through the silencing and noise reducing channel, gas enters from the inner valve plate 100 and is discharged through the cylinder cover 300, so that the silencing and noise reducing functions are realized.
In the inner valve plate 100 provided by the present invention as shown in fig. 1 to 3, the inner valve plate 100 has an inner valve plate body 110 including a first end 111 and a second end 112, and 10 first through holes 120 provided in the inner valve plate body 110, the first end 111 of the inner valve plate body 110 is attached to the outer valve plate 200, and the inner valve plate body 110 has a certain thickness so that a buffer chamber is provided in the first end 111 of the inner valve plate body 110; the axial direction of the 10 first through holes 120 is parallel to the axial direction of the inner valve plate 100, and the 10 first through holes 120 are uniformly distributed on the inner valve plate 100 in a circular shape around the central axis of the inner valve plate 100, each first through hole 120 can be filled with gas, and each first through hole 120 is communicated with the buffer cavity.
Accordingly, the gas enters from the first through hole 120 at the second end 112 of the inner valve plate 100 as shown in fig. 3, passes through the first through hole 120, and enters into the buffer chamber at the first end 11 of the inner valve plate 100 as shown in fig. 1 to 2, in which noise generated by gas friction is somewhat relieved.
As shown in fig. 1 to 2 and 4 to 5, the buffer chamber is provided with a first region 140 and a second region 130 for buffering the gas discharged from the first through hole 120, the second region 130 is provided corresponding to a plurality of second through holes 220 formed in the outer valve plate 200 as shown in fig. 4 to 5, the inner valve plate 100 is communicated with the outer valve plate 200 through the second through holes 220, and the gas buffered by the first region 140 and the second region 130 in the buffer chamber of the inner valve plate 100 is discharged from the second region 130 to the second through holes 220 of the outer valve plate 200.
As shown in fig. 1-2, each of the first region 140 and the second region 130 of the buffer chamber has a plurality of buffer units, and the buffer units located in the first region 140 and the buffer units located in the second region 130 have some differences in structure, thereby producing different effects, and the cooperation of the two buffer units enhances the effect of relieving the gas noise. As shown in fig. 1, the first area 140 has a plurality of first buffer units, for example, the first buffer units adjacent to the second area 130 are illustrated, the first buffer units include a left first sidewall 141, a right first sidewall 143, and a first buffer wall 142 located between the left first sidewall 141 and the right first sidewall 143, the left first sidewall 141, the right first sidewall 143, and the first buffer wall 142 are walls extending from a side inner surface and a bottom inner surface of the buffer chamber, the 3 extending walls divide the buffer chamber into two first buffer chambers, that is, one first buffer chamber is formed between the first buffer wall 142, the side inner surface of the buffer chamber, the left first sidewall 141, and the bottom inner surface of the buffer chamber, and another first buffer chamber is formed between the first buffer wall 142, the side inner surface of the buffer chamber, the right first sidewall 143, and the bottom inner surface of the buffer chamber, and the first buffer chamber is used for buffering gas; the first buffer wall 142, the left first side wall 141 and the right first side wall 143 are all configured to have a right trapezoid profile, the first buffer wall has a first inclined surface 145, the first inclined surface 145 is an inclined waist in the right trapezoid profile, and the first buffer wall 142 is disposed corresponding to one first through hole 120, i.e. a plane where the first buffer wall 142 is located passes through a center of the corresponding first through hole 120.
Thus, based on the design of the plurality of first buffer cells in the first region 140 of the buffer chamber, the gas discharged from the first through-hole 120 corresponding to the first region 140 flows along the first inclined surface 145 of the first buffer wall 142 in each first buffer cell and rises, and then, is dispersed into two first buffer chambers on both sides of the first inclined surface 145, and the gas in the first buffer chambers is collected into the second region 130 and discharged to the second through-hole 220.
To enhance the cushioning effect of the first cushioning unit in the first region 140 and facilitate the gas flow, the left first sidewall 141 has a left second inclined surface 146, the right first sidewall 143 has a right second inclined surface 144, and the inclination of the left second inclined surface 146 and the right first inclined surface 144 is greater than that of the first inclined surface 145. For convenience of processing, the left and right second inclined surfaces 146 and 144 are provided to have the same inclination. In the two right trapezoid profiles formed by the first buffer wall 142 and the left first sidewall 141 or the right first sidewall 143, the waist with the same height and the bottom with the same length, the upper bottoms with different lengths and the inclined waist with different lengths and inclinations are provided. Preferably, the first inclined surface 145 exceeds its minimum inclination, and the inclination of the inclined waist is the minimum inclination when the upper bottom of the right trapezoid is 0.
As shown in fig. 1 to 2, the second area and the buffer units in the first area are structurally and functionally different, wherein the second area 130 has 3 second buffer units, the second buffer units include a left second sidewall 131, a right second sidewall 133, and a second buffer wall 132 located between the left second sidewall 131 and the right second sidewall 131, two second buffer chambers may be formed between the second buffer wall 132 and the left and right second sidewalls, the second buffer wall 132 has a third inclined surface, and the second buffer wall 133 corresponds to one first through hole 120 in the three first through holes 120 corresponding to the second area 130, that is, a plane where the first buffer wall 133 is located passes through a circular shape of the first through hole 120.
Thus, the gas discharged from the first through hole 120 flows along the third inclined surface of the first buffer wall 132, rises, is dispersed into the two second buffer chambers on both sides of the third inclined surface, and is discharged through the second through hole 220; the gas collected from the first region 140 is dispersed along the left and right second sidewalls 131 and 133, the second buffer wall 132, and the second buffer chamber, and is discharged through the second through holes 220.
To enhance the gas circulation and buffering action of the second buffer unit in the second region 130, the left and right second sidewalls 131 and 133 have fourth inclined surfaces, and the inclination of the third inclined surfaces is set to be the same as that of the fourth inclined surfaces, i.e., the minimum inclination; the left second side wall 131, the right second side wall 133 and the second buffer wall 132 are all in the shape of right triangle, the hypotenuse is an inclined plane, one right-angle side of the right triangle has the same height as the waist of the right trapezoid, and the other right-angle side of the right triangle has the same length as the lower bottom of the right trapezoid.
As shown in fig. 1 to 2, the distribution specific gravity of the first region and the second region in the buffer chamber has 7 first through holes corresponding to the first region, 7 first buffer units corresponding to the 7 first through holes corresponding to the second region, and 3 first through holes corresponding to the 3 second buffer units. The distribution proportion of the first area and the second area in the buffer cavity can be adjusted according to the power, the size and the like of the actual air compressor.
As shown in fig. 4 to 5, the outer valve plate 200 includes an outer valve plate main body 210 and a plurality of second through holes 220 penetrating the outer valve plate main body 210, and the aperture of the first through holes 120 is 2to 3 times the aperture of the second through holes 220 as a part of the noise reduction channel.
As shown in fig. 6 to 7, gas enters the cylinder head 300 through the second through hole 220 of the outer valve plate 200, the cylinder head 300 is mounted to the outer valve plate 200, the cylinder head 300 has a cylinder head body 310, a fin 320 positioned outside the cylinder head body, and a curved groove 330 positioned inside the cylinder head body, the end of the curved groove 330 is communicated with the second through hole 220, and as a part of the noise reduction channel, the gas is finally discharged through the curved groove 330, wherein the curved groove 330 is provided with 3 bending parts 331.
The silencing and noise-reducing device provided by the invention can be arranged in an air compressor, and the silencing and noise-reducing air compressor can be obtained.
By adopting the silencing and noise-reducing device for the air compressor and the corresponding air compressor, air is discharged through the silencing and noise-reducing channel, so that noise is effectively reduced.
In this specification, the invention has been described with reference to specific embodiments thereof. It will be apparent that various modifications and variations can be made without departing from the spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151261.9A CN111207058B (en) | 2020-03-06 | 2020-03-06 | Noise reduction device for air compressor and corresponding air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151261.9A CN111207058B (en) | 2020-03-06 | 2020-03-06 | Noise reduction device for air compressor and corresponding air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111207058A CN111207058A (en) | 2020-05-29 |
| CN111207058B true CN111207058B (en) | 2024-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010151261.9A Active CN111207058B (en) | 2020-03-06 | 2020-03-06 | Noise reduction device for air compressor and corresponding air compressor |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211819846U (en) * | 2020-03-06 | 2020-10-30 | 苏州晨恩斯可络压缩机有限公司 | Noise reduction device for air compressor and corresponding air compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206144744U (en) * | 2016-08-31 | 2017-05-03 | 浙江德宏汽车电子电器股份有限公司 | Structure of making an uproar falls in electric vacuum pump |
| CN206175161U (en) * | 2016-11-02 | 2017-05-17 | 杭州斯柯特机电有限公司 | Vacuum pump gives sound insulation and covers |
| CN110345110B (en) * | 2018-04-03 | 2023-04-18 | 德昌电机(深圳)有限公司 | Silencer and ventilation fan applying same |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211819846U (en) * | 2020-03-06 | 2020-10-30 | 苏州晨恩斯可络压缩机有限公司 | Noise reduction device for air compressor and corresponding air compressor |
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| CN111207058A (en) | 2020-05-29 |
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