CN107687410A - A kind of good exhaust noise silencing lid of soundproof effect - Google Patents
A kind of good exhaust noise silencing lid of soundproof effect Download PDFInfo
- Publication number
- CN107687410A CN107687410A CN201710892480.0A CN201710892480A CN107687410A CN 107687410 A CN107687410 A CN 107687410A CN 201710892480 A CN201710892480 A CN 201710892480A CN 107687410 A CN107687410 A CN 107687410A
- Authority
- CN
- China
- Prior art keywords
- lid
- lower cover
- silencing cavity
- upper cover
- silencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F04B39/0033—Pulsation and noise damping means with encapsulations
- F04B39/0038—Pulsation and noise damping means with encapsulations of inlet or outlet channels
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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
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
-
- 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
- F04B39/14—Provisions for readily assembling or disassembling
Abstract
The present invention relates to noise reduction lid technical field, the good exhaust noise silencing lid of especially a kind of soundproof effect, including lid, air inlet pipe is connected with lid, the lid includes upper cover body and lower cover, connected between the upper cover body and lower cover by connecting bolt, the silencing cavity of sealing is formed between the upper cover body and lower cover, sound-absorptive object is provided with the silencing cavity, the air inlet pipe is connected by bindiny mechanism with silencing cavity, steam vent is distributed with matrix in the lower cover, the steam vent connects with silencing cavity, one side of the lower cover away from upper cover body is provided with air discharge duct, the present invention is designed using split, can easy disassembly safeguard, there is provided silencing cavity and sound-absorptive object to carry out noise reduction, its other vent section uses the structure of back taper, exit gas flow rate can be reduced, reaching reduces the purpose of noise.
Description
Technical field
The present invention relates to noise reduction lid technical field, more particularly to the exhaust noise silencing lid that a kind of soundproof effect is good.
Background technology
Compressor, it is a kind of driven fluid machinery that low-pressure gas is promoted to gases at high pressure, is the heart of refrigeration system
It is dirty.It is operated after being compressed with piston to it, to row from the refrigerant gas of air intake duct suction low-temp low-pressure by motor
Tracheae discharges the refrigerant gas of HTHP, and power is provided for kind of refrigeration cycle.
The Jing Yin problem of compressor is always the technical problem paid close attention to, and exhaust noise silencing lid is compressor of air conditioner noise reduction
Important accessory, its structure of the exhaust noise silencing lid of prior art is relatively simple, and the effect of noise reduction is not obvious enough.
The content of the invention
The invention aims to solve to have the shortcomings that muting function difference in the prior art, and a kind of sound insulation proposed
The exhaust noise silencing lid to work well.
To achieve these goals, present invention employs following technical scheme：
A kind of good exhaust noise silencing lid of soundproof effect, including lid are designed, air inlet pipe, the lid are connected with lid
Including upper cover body and lower cover, connected between the upper cover body and lower cover by connecting bolt, the upper cover body and lower cover
Between form the silencing cavity of sealing, sound-absorptive object is provided with the silencing cavity, the air inlet pipe passes through bindiny mechanism and silencing cavity company
Logical, steam vent is distributed with matrix in the lower cover, and the steam vent connects with silencing cavity, and the lower cover is away from upper cover body
One side be provided with air discharge duct, the other end of the steam vent connects with air discharge duct, and the steam vent is back taper, the steam vent
The diameter in section is incremented by along silencing cavity to air discharge duct direction.
Preferably, the bindiny mechanism includes the gland being arranged on by screw on lower cover, the gland and lower cover
Between be installed with connector, the connector is hollow, and the air inlet pipe connects with connector, the connector be connected with
The airway tube of portion's connection, the upper cover body is provided with the jack for matching with airway tube outer shape and being connected with silencing cavity, described
Airway tube is inserted into jack.
Preferably, matrix is placed with first through hole and the second through hole in the sound-absorptive object, and the first through hole and second are led to
Hole is mutually perpendicular to, and the first through hole intersects with the second through hole and connected, and the sound-absorptive object is sponge member.
Preferably, puigging is equipped with outside the gland, the puigging is sound-isolating sponge layer.
A kind of good exhaust noise silencing lid of soundproof effect proposed by the present invention, beneficial effect are：The present invention uses split
Design, can easy disassembly safeguard that there is provided silencing cavity and sound-absorptive object to carry out noise reduction, and its vent section uses back taper in addition
Structure, exit gas flow rate can be reduced, reach reduce noise purpose.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the good exhaust noise silencing lid of soundproof effect proposed by the present invention；
Fig. 2 is a kind of schematic cross-section of the sound-absorptive object of the good exhaust noise silencing lid of soundproof effect proposed by the present invention.
In figure：Upper cover body 1, silencing cavity 2, steam vent 3, air discharge duct 4, lower cover 5, sound-absorptive object 6, air inlet pipe 7, airway tube 8,
Puigging 9, gland 10, jack 11, connector 12, first through hole 13, the second through hole 14.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of good exhaust noise silencing lid of soundproof effect, including lid, air inlet pipe 7 is connected with lid,
Lid includes upper cover body 1 and lower cover 5, is connected between upper cover body 1 and lower cover 5 by connecting bolt, upper cover body 1 and lower cover
The silencing cavity 2 of sealing is formed between 5, sound-absorptive object 6 is provided with silencing cavity 2.Lid uses Split type structure, can be easy to open internally
Portion is cleared up and safeguarded that silencing cavity 2 uses sealing structure, can effectively obstruct the propagation of noise.
Matrix is placed with the through hole 14 of first through hole 13 and second in sound-absorptive object 6, and the through hole 14 of first through hole 13 and second is mutual
Vertically, first through hole 13 intersects with the second through hole 14 and connected, and sound-absorptive object 6 is sponge member.Sound-absorptive object 6 is set using mushy
Meter, can effectively consume noise energy, reach the effect of noise reduction.
Air inlet pipe 7 is connected by bindiny mechanism with silencing cavity 2, and bindiny mechanism includes being arranged on lower cover 5 by screw
Gland 10, be equipped with puigging 9 outside gland 10, puigging 9 is sound-isolating sponge layer.Clamped between gland 10 and lower cover 5
There is connector 12, connector 12 is hollow, and air inlet pipe 7 connects with connector 12, and connector 12 is connected with leading for internal connection therewith
Tracheae 8, upper cover body 1 are provided with the jack 11 for matching with the outer shape of airway tube 8 and being connected with silencing cavity 2, and airway tube 8 is inserted into
In jack 11.Installed using gland 10, can conveniently carry out dismounting maintenance, and there is provided puigging 9 for increasing sound insulation effect
Fruit.
Steam vent 3 is distributed with matrix in lower cover 5, and steam vent 3 connects with silencing cavity 2, and lower cover 5 is away from upper cover body 1
One side be provided with air discharge duct 4, the other end of steam vent 3 connects with air discharge duct 4, and steam vent 3 is back taper, the section of steam vent 3
Diameter is incremented by along silencing cavity 2 to the direction of air discharge duct 4.Steam vent 3 uses taper, and the direction of portion's exhaust from the inside, and its is straight
Footpath is incremented by, and so during being exhausted, because sectional area increases, flow velocity reduces, so as to cause exit gas flow rate
It is minimum, have the function that good reduction noise.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of good exhaust noise silencing lid of soundproof effect, including lid, air inlet pipe (7) is connected with lid, it is：It is described
Lid includes upper cover body (1) and lower cover (5), is connected between the upper cover body (1) and lower cover (5) by connecting bolt, institute
The silencing cavity (2) that sealing is formed between upper cover body (1) and lower cover (5) is stated, sound-absorptive object (6), institute are provided with the silencing cavity (2)
State air inlet pipe (7) to connect with silencing cavity (2) by bindiny mechanism, steam vent (3), institute is distributed with the interior matrix of the lower cover (5)
State steam vent (3) to connect with silencing cavity (2), one side of the lower cover (5) away from upper cover body (1) is provided with air discharge duct (4), institute
The other end for stating steam vent (3) connects with air discharge duct (4), and the steam vent (3) is back taper, steam vent (3) section
Diameter is incremental along silencing cavity (2) to air discharge duct (4) direction.
A kind of 2. good exhaust noise silencing lid of soundproof effect according to claim 1, it is characterised in that：The bindiny mechanism
Including the gland (10) being arranged on by screw on lower cover (5), it is installed with and is connected between the gland (10) and lower cover (5)
Head (12), the connector (12) is hollow, and the air inlet pipe (7) connects with connector (12), and the connector (12) is connected with
The airway tube (8) of internal connection therewith, the upper cover body (1) is provided with to be matched and and silencing cavity with airway tube (8) outer shape
(2) jack (11) of connection, the airway tube (8) are inserted into jack (11).
A kind of 3. good exhaust noise silencing lid of soundproof effect according to claim 1, it is characterised in that：The sound-absorptive object
(6) interior matrix is placed with first through hole (13) and the second through hole (14), and the first through hole (13) and the second through hole (14) are mutual
Vertically, the first through hole (13) intersects with the second through hole (14) connects, and the sound-absorptive object (6) is sponge member.
A kind of 4. good exhaust noise silencing lid of soundproof effect according to claim 2, it is characterised in that：The gland (10)
Outside is equipped with puigging (9), and the puigging (9) is sound-isolating sponge layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892480.0A CN107687410A (en) | 2017-09-27 | 2017-09-27 | A kind of good exhaust noise silencing lid of soundproof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892480.0A CN107687410A (en) | 2017-09-27 | 2017-09-27 | A kind of good exhaust noise silencing lid of soundproof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107687410A true CN107687410A (en) | 2018-02-13 |
Family
ID=61156743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710892480.0A Pending CN107687410A (en) | 2017-09-27 | 2017-09-27 | A kind of good exhaust noise silencing lid of soundproof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107687410A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566435A (en) * | 2019-09-23 | 2019-12-13 | 广东民飞机电有限责任公司 | Noise reduction assembly for pump |
| CN110671300A (en) * | 2019-09-23 | 2020-01-10 | 广东民飞机电有限责任公司 | Gas compression pump |
-
2017
- 2017-09-27 CN CN201710892480.0A patent/CN107687410A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566435A (en) * | 2019-09-23 | 2019-12-13 | 广东民飞机电有限责任公司 | Noise reduction assembly for pump |
| CN110671300A (en) * | 2019-09-23 | 2020-01-10 | 广东民飞机电有限责任公司 | Gas compression pump |
| CN110566435B (en) * | 2019-09-23 | 2021-08-17 | 广东民飞机电有限责任公司 | Noise reduction assembly for pump |
| CN110671300B (en) * | 2019-09-23 | 2021-08-17 | 广东民飞机电有限责任公司 | Gas compression pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180213 |