CN205117727U - Compressor body with noise reduction effect - Google Patents
Compressor body with noise reduction effect Download PDFInfo
- Publication number
- CN205117727U CN205117727U CN201520911888.4U CN201520911888U CN205117727U CN 205117727 U CN205117727 U CN 205117727U CN 201520911888 U CN201520911888 U CN 201520911888U CN 205117727 U CN205117727 U CN 205117727U
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- reduction effect
- noise reduction
- noise
- compressor
- block
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a compressor body with noise reduction effect belongs to mechanical technical field. It has solved the problem that current compressor noise is big. This compressor body with noise reduction effect has the bent axle hole that is used for the driving medium associative on the organism of compressor, the tip of organism has and is massive connecting block, foretell bent axle hole through connection piece, the organism on still have a noise reduction chamber, connecting block department still have connecting hole external and noise reduction chamber looks UNICOM. This compressor body with noise reduction effect compact structure and noise are little.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the noise reduction mechanism that a kind of compressor block is heavy.
Background technique
Along with socioeconomic development, improving constantly of people's living standard, environmental protection consciousness strengthens greatly, and the compressor in equipment is Main Noise Sources, and its performance directly has influence on the live and work of people.
Wherein, the dominant noise source of compressor is pneumatic noise.Pneumatic noise is mainly inhaled, exhaust sound, comprises gas into and out of the eddy current crack formed when exhaust cavity and rotor element volume, backflow and the jet noise produced that expands in exhaust process; Airflow line pulsation and elbow vibrate, noise; Suction, venting check valve noise.
Its publication number of Chinese patent CN201236806 provides " a kind of noise-reduction sliding block of rotor-type compressor ", comprise one section that is arranged in outside compressor air-discharging passage one section and is positioned at compressor air-discharging passage, described be arranged in one section of compressor air-discharging passage with exhaust passage slipper seal, described in be arranged in a section of compressor air-discharging passage and be provided with exhaust unit with noise silencer.
Can find out, above-mentioned patent can be exhausted and closed compressor exhaust passage simply by the to-and-fro motion of slide block, so the outlet valve of existing rotor-type compressor can be replaced, due to this slide block be vented and closed time do not produce mechanical sounds, so reduce the noise of rotor-type compressor, and its structure is simple, enforcement is convenient, can reduce the manufacture cost of compressor.
But the main structure of its noise abatement is slide block, the setting of slide block result in whole compressor arrangement complexity and cost compare is high.Other compressor existing also all also exists similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, provides a kind of compressor block with noise reduction effect that effectively can reduce compressor noise.
The purpose of this utility model realizes by following technical proposal:
A kind of compressor block with noise reduction effect, the body of compressor has the crankshaft hole be connected for driving component, it is characterized in that, the end of described body has in block contiguous block, above-mentioned crankshaft hole runs through contiguous block, described body also has noise abatement chamber, and described contiguous block place also has the extraneous attachment hole be connected with noise abatement chamber.
Contiguous block is used for being connected with other part in compressor, and certainly, the another one Main Function of contiguous block is to provide the link position of bent axle in compressor.
Owing to body having noise abatement chamber, therefore, the gas in bent axle course of action enters in noise abatement chamber through attachment hole, thus greatly reduces the pneumatic noise in whole compressor operation.
Have in the compressor block of noise reduction effect above-mentioned, described body has at least two noise abatement chambeies, one of them noise abatement chamber and above-mentioned attachment hole are connected, and other noise abatement chamber is interconnected.
Its noise reduction effect of multiple noise abatement chambeies is good.
Have in the compressor block of noise reduction effect above-mentioned, described noise abatement chamber comprises cover plate and is recessed into the shrinkage pool of body in circle hole shape, and described cover plate and shrinkage pool top match and cover plate is connected to the upper end-hole place of shrinkage pool.
Cover plate is connected on shrinkage pool, thus makes above-mentioned noise abatement chamber form the cavity of an opposing seal.
Have in the compressor block of noise reduction effect above-mentioned, described shrinkage pool upper end-hole place has in step-like recessed mount, and described cover plate and mount match and cover plate is embedded in mount place.
Cover plate embedding with mount place after, mutually concordant with body outside cover plate, make the housing construction of this compressor compact.
Have in the compressor block of noise reduction effect above-mentioned, described cover plate is connected on body by screw.
Screw is as standard piece, and it is easy to buying and cost compare is low.And, cover plate firmly can also be connected on body by screw.
Have in the compressor block of noise reduction effect above-mentioned, the center of the bottom of described shrinkage pool has the connecting cylinder of epirelief, and above-mentioned screw is threaded with connecting cylinder.
Connecting cylinder is for providing the mounting point of screw, and simultaneously because connecting cylinder is positioned at noise abatement chamber, it also plays certain sound deadening.
Have in the compressor block of noise reduction effect above-mentioned, described noise abatement chamber linearly arranges and above-mentioned some lines in noise abatement chamber and the shaft axis of crankshaft hole tilt.
The noise reduction effect of its air-flow of some noise abatement chambeies be obliquely installed is relatively good.
Have in the compressor block of noise reduction effect above-mentioned, the angle between the line in described some noise abatement chambeies and the shaft axis of crankshaft hole is 15-25 to spend.
Have in the compressor block of noise reduction effect above-mentioned, described contiguous block and body are integral type structure.
The body employing casting energy once-through of integral structure, processes easy and cost compare is low.
Have in the compressor block of noise reduction effect above-mentioned, described contiguous block has in plane junction surface, wherein one end of above-mentioned crankshaft hole and attachment hole is all positioned at junction surface place.
The gas produced in bent axle course of action can enter each connection hole smoothly through junction surface.
Have in the compressor block of noise reduction effect above-mentioned, described attachment hole is step hole, and the described both sides along crankshaft hole shaft axis all have some noise abatement chambeies, and the noise abatement chamber of above-mentioned the same side forms a noise reducing unit.
Two noise reducing units significantly can reduce the noise in compressor using process.
Have in the compressor block of noise reduction effect above-mentioned, its aperture of attachment hole that described same noise reducing unit is extended to body direction by contiguous block reduces successively.
Its noise reduction effect of the attachment hole of decreasing pore size is remarkable.
Have in the compressor block of noise reduction effect above-mentioned, the quantity in described noise abatement chamber is two, described attachment hole comprises attachment hole one and attachment hole two, the external port of described attachment hole one is positioned at contiguous block face place, inner port and one of them noise abatement chamber of described attachment hole one are connected, and two noise abatement chambeies are connected by described attachment hole two.
The aperture at each step end place of attachment hole one is all greater than the aperture of each step end of attachment hole two.Air-flow has carried out most noise reduction noise abatement process when entering last noise abatement chamber, effectively raise noise reduction effect like this.
Have in the compressor block of noise reduction effect above-mentioned, described two noise reducing units with the shaft axis of crankshaft hole for reference symmetry is arranged.
Have in the compressor block of noise reduction effect above-mentioned, its concentric of attachment hole section in described same noise reducing unit is arranged.
Have in the compressor block of noise reduction effect above-mentioned, shaft axis and the horizontal tilt of the attachment hole in described same unit are arranged.
Have in the compressor block of noise reduction effect above-mentioned, the angle between the shaft axis of described attachment hole and horizontal plane is 10-20 to spend.
Have in the compressor block of noise reduction effect above-mentioned, described cover plate comprises body in the form of annular discs and is connected in the sealing gasket on body, and described sealing gasket can be pressed on mount place.
Sealing gasket is flexible material, and the sealing gasket be pressed between mount and cover plate can play good seal action.
Have in the compressor block of noise reduction effect above-mentioned, described body and sealing gasket are bonded together by glue.
Sealing gasket and body can be made firmly to link together by glue.
Have in the compressor block of noise reduction effect above-mentioned, described sealing gasket is flexible rubber sheet gasket.
Have in the compressor block of noise reduction effect above-mentioned, described sealing gasket is felt.
Adopt rubber sheet gasket or its sealing of felt all relatively good, user can choose any one kind of them according to actual conditions in above-mentioned two schemes.
Have in the compressor block of noise reduction effect above-mentioned, the upper end of described connecting cylinder is resisted against on sealing gasket.
Can find out, the edge of sealing gasket and middle part are all located, and effectively prevent sealing gasket and body to be separated.
Have in the compressor block of noise reduction effect above-mentioned, described connecting cylinder is cone table shape and the large scale end of connecting cylinder and body are connected.
Its strength ratio of the connecting cylinder of cone table shape is higher.
Have in the compressor block of noise reduction effect above-mentioned, described connecting cylinder and body are integral type structure.
The body of integral structure can once-through by casting.
Have in the compressor block of noise reduction effect above-mentioned, adjacent noise abatement chamber its be close to the height of height higher than an other adjacent noise abatement chamber in the noise abatement chamber at contiguous block place.
Noise reduction effect can be improved in the noise abatement chamber with height difference.
Have in the compressor block of noise reduction effect above-mentioned, what described mount place had some concaveconvex structures just tears structure open.
Need effectively cover plate body is separated owing to just tearing arranging of structure open during dismounting.
Have in the compressor block of noise reduction effect above-mentioned, described just tears the salient point that structure is the some protrusions in mount place open.
Have in the compressor block of noise reduction effect above-mentioned, described structure of just tearing open is the some recessed pits in mount place.
Once after unclamping screw, sealing gasket resets under the elastic reaction of self, thus forces sealing gasket to depart from mount.That is, between placement sealing gasket and mount, area of contact is excessive, thus can cover plate for convenience detach.
Compared with prior art, the compressor block originally with noise reduction effect is owing to having multiple noise abatement chamber and be step hole with the attachment hole that noise abatement chamber is connected, and therefore, its noise reduction effect is remarkable.
Meanwhile, cover plate is mutually concordant with outside body, and whole compressor means compact structure, has very high use value.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the compressor block originally with noise reduction effect.
Fig. 2 is the sectional structure schematic diagram of the compressor block originally with noise reduction effect.
In figure, 1, body; 1a, crankshaft hole; 1b, contiguous block; 1b1, junction surface; 2, noise abatement chamber; 2a, mount; 3, cover plate; 3a, body; 3b, sealing gasket; 4, connecting cylinder; 5, attachment hole one; 6, attachment hole two.
Embodiment
As depicted in figs. 1 and 2, originally there is the compressor block of noise reduction effect, the body 1 of compressor has the crankshaft hole 1a be connected for driving component, the end of described body 1 has in block contiguous block 1b, above-mentioned crankshaft hole 1a runs through contiguous block, described body 1 also has noise abatement chamber 2, and described contiguous block place also has the extraneous attachment hole be connected with noise abatement chamber 2.
Described body 1 has at least two noise abatement chambeies 2, one of them noise abatement chamber 2 is connected with above-mentioned attachment hole, and other noise abatement chamber 2 is interconnected.
Described noise abatement chamber 2 comprises cover plate 3 and is recessed into the shrinkage pool of body in circle hole shape, and described cover plate 3 matches with shrinkage pool top and cover plate 3 is connected to the upper end-hole place of shrinkage pool.
Described shrinkage pool upper end-hole place has in step-like recessed mount 2a, and described cover plate 3 matches with mount 2a and cover plate 3 is embedded in mount 2a place.
Described cover plate 3 is connected on body 1 by screw.
The center of the bottom of described shrinkage pool has the connecting cylinder 4 of epirelief, and above-mentioned screw is threaded with connecting cylinder 4.
Described noise abatement chamber 2 linearly arranges and the above-mentioned line in some noise abatement chambeies 2 and the shaft axis of crankshaft hole 1a tilt.
Angle between the line in described some noise abatement chambeies 2 and the shaft axis of crankshaft hole 1a is 15 degree, according to actual conditions, also can be set to 20 degree or 25 degree.
Described contiguous block 1b and body 1 are integral type structure.
Described contiguous block 1b has in plane junction surface 1b1, wherein one end of above-mentioned crankshaft hole 1a and attachment hole is all positioned at junction surface 1b1 place.
Described attachment hole is step hole, and the described both sides along crankshaft hole 1a shaft axis all have some noise abatement chambeies 2, and the noise abatement chamber 2 of above-mentioned the same side forms a noise reducing unit.
Its aperture of attachment hole that described same noise reducing unit is extended to body 1 direction by contiguous block 1b reduces successively.
The quantity in described noise abatement chamber 2 is two, described attachment hole comprises attachment hole 1 and attachment hole 26, the external port of described attachment hole 1 is positioned at 1b1 place, contiguous block face, and inner port and one of them noise abatement chamber 2 of described attachment hole 1 are connected, and two noise abatement chambeies 2 are connected by described attachment hole 26.
Described two noise reducing units with the shaft axis of crankshaft hole 1a for reference symmetry is arranged.
Its concentric of attachment hole section in described same noise reducing unit is arranged.
Shaft axis and the horizontal tilt of the attachment hole in described same unit are arranged.
Angle between the shaft axis of described attachment hole and horizontal plane is 10 degree, also can be set to 11 degree or 15 degree according to actual conditions.
Described cover plate 3 comprises body 3a in the form of annular discs and is connected in the sealing gasket 3b on body 3a, and described sealing gasket 3b can be pressed on mount 2a place.
Described body 3a and sealing gasket 3b is bonded together by glue.
Described sealing gasket 3b is flexible rubber sheet gasket, and according to actual conditions, described sealing gasket 3b is felt is also feasible scheme.
The upper end of described connecting cylinder 4 is resisted against on sealing gasket 3b.
Described connecting cylinder 4 is cone table shape and the large scale end of connecting cylinder 4 and body are connected.
Its strength ratio of connecting cylinder 4 of cone table shape is higher.
Described connecting cylinder 4 is integral type structure with body 1.
Adjacent noise abatement chamber 2 its be close to the height of height higher than an other adjacent noise abatement chamber 2 in the noise abatement chamber 2 at contiguous block 1b place.
What described mount 2a place had some concaveconvex structures just tears structure open.
Described just tears the salient point that structure is the some protrusions in mount 2a place open, and according to actual conditions, described just to tear structure open be the some recessed pits in mount 2a place is also feasible technological scheme.
Contiguous block 1b is used for being connected with other part in compressor, and certainly, the another one Main Function of contiguous block 1b is to provide the link position of bent axle in compressor.
Due to body 1 having noise abatement chamber 2, therefore, the gas in bent axle course of action enters in noise abatement chamber 2 through attachment hole, thus greatly reduces the pneumatic noise in whole compressor operation.
Claims (10)
1. one kind has the compressor block of noise reduction effect, the body of compressor has the crankshaft hole be connected for driving component, it is characterized in that, the end of described body has in block contiguous block, above-mentioned crankshaft hole runs through contiguous block, described body also has noise abatement chamber, described contiguous block place also has the extraneous attachment hole be connected with noise abatement chamber, described body have at least two noise abatement chambeies, one of them noise abatement chamber and above-mentioned attachment hole are connected, other noise abatement chamber is interconnected, described noise abatement chamber comprises cover plate and is recessed into the shrinkage pool of body in circle hole shape, described cover plate and shrinkage pool top match and cover plate is connected to the upper end-hole place of shrinkage pool, described shrinkage pool upper end-hole place has in step-like recessed mount, described cover plate and mount match and cover plate is embedded in mount place, described cover plate is connected on body by screw, the center of the bottom of described shrinkage pool has the connecting cylinder of epirelief, above-mentioned screw is threaded with connecting cylinder, described cover plate comprises body in the form of annular discs and is connected in the sealing gasket on body, described sealing gasket can be pressed on mount place.
2. the compressor block with noise reduction effect according to claim 1, is characterized in that, described body and sealing gasket are bonded together by glue.
3. the compressor block with noise reduction effect according to claim 2, is characterized in that, described sealing gasket is flexible rubber sheet gasket.
4. the compressor block with noise reduction effect according to claim 2, is characterized in that, described sealing gasket is felt.
5. the compressor block with noise reduction effect according to claim 2, is characterized in that, the upper end of described connecting cylinder is resisted against on sealing gasket.
6. the compressor block with noise reduction effect according to claim 2, is characterized in that, described connecting cylinder is cone table shape and the large scale end of connecting cylinder and body are connected.
7. the compressor block with noise reduction effect according to claim 2, is characterized in that, described connecting cylinder and body are integral type structure.
8. the compressor block with noise reduction effect according to claim 1, is characterized in that, adjacent noise abatement chamber its be close to the height of height higher than an other adjacent noise abatement chamber in the noise abatement chamber at contiguous block place.
9. the compressor block with noise reduction effect according to claim 1, is characterized in that, what described mount place had some concaveconvex structures just tears structure open.
10. the compressor block with noise reduction effect according to claim 9, is characterized in that, described just tears the salient point that structure is the some protrusions in mount place open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911888.4U CN205117727U (en) | 2015-11-16 | 2015-11-16 | Compressor body with noise reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911888.4U CN205117727U (en) | 2015-11-16 | 2015-11-16 | Compressor body with noise reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117727U true CN205117727U (en) | 2016-03-30 |
Family
ID=55573342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520911888.4U Expired - Fee Related CN205117727U (en) | 2015-11-16 | 2015-11-16 | Compressor body with noise reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117727U (en) |
-
2015
- 2015-11-16 CN CN201520911888.4U patent/CN205117727U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20191116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |