CN106870327A - A kind of reciprocating compressor exhaust noise silencing structure - Google Patents
A kind of reciprocating compressor exhaust noise silencing structure Download PDFInfo
- Publication number
- CN106870327A CN106870327A CN201710100536.4A CN201710100536A CN106870327A CN 106870327 A CN106870327 A CN 106870327A CN 201710100536 A CN201710100536 A CN 201710100536A CN 106870327 A CN106870327 A CN 106870327A
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- CN
- China
- Prior art keywords
- valve plate
- exhaust
- row stomata
- hole
- reciprocating compressor
- 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.)
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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
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
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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
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
- F04B39/125—Cylinder heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of reciprocating compressor exhaust noise silencing structure, for reciprocating compressor technical field, including cylinder block, valve plate, exhaust valve plate and cylinder head, valve plate is provided with the exhaust cushion chamber of first row stomata, valve plate through hole, second row stomata and conducting valve plate through hole and second row stomata, exhaust valve plate is located at the dorsal part of first row stomata, and cylinder head has the cylinder cover cavity that the bootable air-flow discharged by first row stomata enters in exhaust cushion chamber through valve plate through hole.During work, refrigerant enters the cylinder cover cavity of cylinder cover by first row gas port after being compressed through piston, and exhaust cushion chamber is entered by valve plate through hole, is most discharged through second exhaust hole afterwards；It is of the invention directly to increase exhaust cushion chamber on valve plate, vibration of compressor, noise are reduced, improve the electrical appliances such as refrigerator matching noise qualities；And, valve plate exhaust cushion chamber processing technology is simple, can be realized by mould, it is not necessary to additionally increase cost, while material consumption can be reduced.
Description
Technical field
The present invention is used for reciprocating compressor technical field, more particularly to a kind of reciprocating compressor exhaust noise silencing knot
Structure.
Background technology
The research and development of full-sealed reciprocating compressor, production will consider performance and economy, improve compressor performance, change
The economy of kind compressor has turned into one of important directions of compressor R＆D work.
For existing compressor design, exhaust channel mainly has following several：
1. refrigerant sucks cylinder seat cylinder holes by air-breathing valve port, and cylinder cover is entered by exhaust outlet after being compressed through piston, passes through
Pipeline enters external exhaust noise silencing chamber, and box system is entered from blast pipe；
2. refrigerant sucks cylinder seat cylinder holes by air-breathing valve port, enters cylinder cover by exhaust outlet after being compressed through piston, through valve
Plate exhaust hole enters cylinder seat and is vented cushion chamber, enters exhaust noise silencing chamber from throttle orifice, then enter casing system by blast pipe
System；
3. refrigerant sucks cylinder seat cylinder holes by air-breathing valve port, enters cylinder cover by exhaust outlet after being compressed through piston, through valve
Plate exhaust hole enters cylinder seat and is vented cushion chamber, enters external muffler from throttle orifice, then enter cartonning by blast pipe
System is united.
Prior art shortcoming：
1. in such scheme, especially scheme 1, due to lacking throttle orifice and exhaust cushion chamber, the refrigerant after compression directly leads to
External silencing cavity discharge is crossed, strong gas causes vibration of compressor and noise big.
2. scheme 2,3 needs to increase cylinder seat manufacturing procedure, processing charges increase.
The content of the invention
To solve the above problems, the present invention provides a kind of reciprocating compressor exhaust noise silencing structure, and its processing technology is simple,
Cost is lower, while can also improve the pneumatic noise of compressor, obtains more preferable sound quality.
The technical solution adopted for the present invention to solve the technical problems is：A kind of reciprocating compressor exhaust noise silencing structure,
Including cylinder block, valve plate, exhaust valve plate and be located at the cylinder head of the valve plate dorsal part, the valve plate be provided with first row stomata,
The exhaust cushion chamber of valve plate through hole, second row stomata and the conducting valve plate through hole and second row stomata, the exhaust valve plate
The dorsal part of first row stomata is located at, there is the cylinder head the bootable air-flow discharged by first row stomata to enter through valve plate through hole
Cylinder cover cavity in exhaust cushion chamber.
The improvement of technical solution of the present invention is further used as, the throttle orifice and that the exhaust cushion chamber is narrowed by section
Two steam vents are turned on.
The improvement of technical solution of the present invention is further used as, also including the valve plate pad being located between valve plate and cylinder block,
The first groove and conducting first groove and the groove of second row stomata second, the valve plate and valve are opened up on front side of the valve plate
The exhaust cushion chamber is formed by first groove between plate pad, it is recessed by described second between valve plate and valve plate pad
Groove forms the throttle orifice.
The improvement of technical solution of the present invention is further used as, the valve plate is provided with screw mounting hole, the second exhaust
Screw mounting hole described in Kong Yuyi shares same through hole.
It is further used as the improvement of technical solution of the present invention, the external external exhaust muffling device of second row stomata.
The improvement of technical solution of the present invention is further used as, the external exhaust muffling device, cylinder head and valve plate pass through
Screw through the screw mounting hole is securedly mounted on cylinder block.
The improvement of technical solution of the present invention is further used as, it is spacing in exhaust valve plate dorsal part to be provided with valve block on the valve plate
Plate.
It is further used as the improvement of technical solution of the present invention, the cylinder head is provided with tabula, the tabula is by cylinder head
Inner chamber is divided into the first inner chamber on the outside of first row stomata and the second inner chamber on the outside of valve plate through hole, and tabula end is stayed
There is the interval of conducting first inner chamber and second inner chamber.
The improvement of technical solution of the present invention is further used as, cylinder head gasket is provided between the cylinder head and valve plate.
Beneficial effects of the present invention：During present invention work, refrigerant enters vapour after being compressed through piston by first row gas port
The cylinder cover cavity of cylinder cap, exhaust cushion chamber is entered by valve plate through hole, is most discharged through second exhaust hole afterwards；It is of the invention direct in valve
Increase exhaust cushion chamber on plate, reduce vibration of compressor, noise, improve the electrical appliances such as refrigerator matching noise qualities；And, valve plate
Exhaust cushion chamber processing technology is simple, can be realized by mould, it is not necessary to additionally increase cost, while can reduce material disappearing
Consumption.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is valve board structure schematic diagram of the present invention；
Fig. 2 is principle of the invention structural representation.
Specific embodiment
Reference picture 1, Fig. 2, that show the concrete structure of the preferred embodiments of the invention.Will be detailed below this hair
The design feature of bright each part, and be with the knot shown in Fig. 2 if being described to during direction (upper and lower, left and right, before and after)
Structure is that, with reference to description, but actually used direction of the invention is not limited thereto.
The invention provides a kind of reciprocating compressor exhaust noise silencing structure, including cylinder block 1, valve plate 2, exhaust valve plate
31st, suction valve chip 32 and the cylinder head 4 of the dorsal part of the valve plate 2 is located at, cylinder-top gasket is provided between the cylinder head 4 and valve plate 2
Piece 5.The valve plate 2 is provided with suction hole, first row stomata 21, valve plate through hole 22, second row stomata 23 and turns on the valve
The exhaust cushion chamber 24 of plate through hole 22 and second row stomata 23, suction valve chip 32 is located at the front side of suction hole.Valve plate through hole 24 sets
One or more are put, the exhaust valve plate 31 is located at the dorsal part of first row stomata 21, in the dorsal part of exhaust valve plate 31 on the valve plate 2
It is provided with valve block limiting plate 6.There is the cylinder head 4 the bootable air-flow discharged by first row stomata 21 to enter through valve plate through hole 22
Cylinder cover cavity in exhaust cushion chamber 24.
During present invention work, refrigerant is entered in the cylinder head of cylinder cover 4 after being compressed through piston 7 by first row gas port 21
Chamber, exhaust cushion chamber 24 is entered by valve plate through hole 22, is most discharged through second exhaust hole 23 afterwards；It is of the invention directly to increase on valve plate 2
Plus exhaust cushion chamber 24, vibration of compressor, noise are reduced, improve the electrical appliances such as refrigerator matching noise qualities；And, valve plate exhaust
Cushion chamber processing technology is simple, can be realized by mould, it is not necessary to additionally increase cost, while material consumption can be reduced.
In order to further reduce vibration, the noise of compressor, the throttle orifice that the exhaust cushion chamber 24 is narrowed by section
25 turn on second row stomata 23, additionally, the cylinder head 4 is provided with tabula 41, the tabula 41 separates cylinder cover cavity
It is the first inner chamber 42 and the second inner chamber 43 positioned at the outside of valve plate through hole 22 positioned at the outside of first row stomata 21, the end of tabula 41
Leave the interval of conducting first inner chamber 42 and second inner chamber 43.Now, refrigerant sucks cylinder by the air-breathing valve port on valve plate 2
Seat cylinder holes, enters the first inner chamber 42 of the cylinder cover cavity of cylinder cover 4, between by first row gas port 21 after being compressed through piston 7
Every second inner chamber 43 is entered, exhaust cushion chamber 24 is then entered by valve plate through hole 22, then second row stomata is entered by throttle orifice 25
23 discharges.
It is described also including the valve plate pad 8 being located between valve plate 2 and cylinder block 1 as the preferred embodiment of the present invention
The front side of valve plate 2 opens up the first groove and conducting first groove and the groove of second row stomata 23 second, and the first groove cuts
The rectangular strip in face, the second groove takes the shape of the letter U channel-shaped, is formed by first groove between the valve plate 2 and valve plate pad 8
The exhaust cushion chamber 24, the throttle orifice 25 is formed between valve plate 2 and valve plate pad 8 by second groove.Above-mentioned knot
The exhaust cushion chamber 24 and the processing technology of throttle orifice 25 of structure are simple, can be realized by mould, it is not necessary to additionally increase cost, while
Material consumption can be reduced.
The valve plate 2 is provided with screw mounting hole 26, and screw mounting hole 26 described in the second row stomata 23 and is shared
Same through hole, makes overall structure compacter, simplifies manufacture craft.The external external exhaust muffling device of second row stomata 23
9.The external exhaust muffling device 9, cylinder head 4 and valve plate 2 are installed by being fastened through the screw of the screw mounting hole 26
On cylinder block 1, the refrigerant discharged through second row stomata enters external exhaust muffling device, then enters casing by blast pipe
System.
Certainly, the invention is not limited to above-mentioned implementation method, and those of ordinary skill in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (9)
1. a kind of reciprocating compressor exhaust noise silencing structure, it is characterised in that：Including cylinder block, valve plate, exhaust valve plate and it is located at
The cylinder head of the valve plate dorsal part, it is described that the valve plate is provided with first row stomata, valve plate through hole, second row stomata and conducting
The exhaust cushion chamber of valve plate through hole and second row stomata, the exhaust valve plate is located at the dorsal part of first row stomata, the cylinder head
With the cylinder cover cavity that the bootable air-flow discharged by first row stomata enters in exhaust cushion chamber through valve plate through hole.
2. reciprocating compressor exhaust noise silencing structure according to claim 1, it is characterised in that：The exhaust cushion chamber leads to
The throttle orifice for narrowing in section is crossed to be turned on second row stomata.
3. reciprocating compressor exhaust noise silencing structure according to claim 2, it is characterised in that：Also include be located at valve plate with
Valve plate pad between cylinder block, opens up the first groove and conducting first groove and second row stomata on front side of the valve plate
Second groove, the exhaust cushion chamber, valve plate and valve plate are formed between the valve plate and valve plate pad by first groove
The throttle orifice is formed by second groove between pad.
4. the reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：On the valve plate
Screw mounting hole is provided with, the second row stomata and screw mounting hole described in share same through hole.
5. reciprocating compressor exhaust noise silencing structure according to claim 4, it is characterised in that：Outside the second row stomata
Connect external exhaust muffling device.
6. reciprocating compressor exhaust noise silencing structure according to claim 5, it is characterised in that：The external exhaust noise silencing
Device, cylinder head and valve plate are securedly mounted on cylinder block by through the screw of the screw mounting hole.
7. the reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：On the valve plate
Valve block limiting plate is provided with exhaust valve plate dorsal part.
8. the reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：The cylinder head
It is provided with tabula, cylinder cover cavity is divided into first inner chamber on the outside of first row stomata and led to positioned at valve plate by the tabula
Leave the interval of conducting first inner chamber and second inner chamber in second inner chamber on the outside of hole, tabula end.
9. the reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：The cylinder head
Cylinder head gasket is provided between valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100536.4A CN106870327B (en) | 2017-02-23 | 2017-02-23 | A kind of reciprocating compressor exhaust noise silencing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100536.4A CN106870327B (en) | 2017-02-23 | 2017-02-23 | A kind of reciprocating compressor exhaust noise silencing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870327A true CN106870327A (en) | 2017-06-20 |
| CN106870327B CN106870327B (en) | 2018-09-25 |
Family
ID=59168946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100536.4A Active CN106870327B (en) | 2017-02-23 | 2017-02-23 | A kind of reciprocating compressor exhaust noise silencing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870327B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441771A (en) * | 2018-12-11 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating plant with it |
| CN109653994A (en) * | 2018-12-11 | 2019-04-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Head fixing device, compressor and the refrigeration equipment of compressor |
| CN111852873A (en) * | 2020-07-27 | 2020-10-30 | 重庆长安汽车股份有限公司 | Mechanical vacuum pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877842A (en) * | 1970-01-21 | 1975-04-15 | Itt | Air pumps |
| US4715790A (en) * | 1985-03-12 | 1987-12-29 | Diesel Kiki Co., Ltd. | Compressor having pulsating reducing mechanism |
| JP2000161216A (en) * | 1998-11-27 | 2000-06-13 | Sanden Corp | Reciprocating compressor |
| CN101440792A (en) * | 2007-10-03 | 2009-05-27 | 松下电器产业株式会社 | Closed type compressor |
| CN101446284A (en) * | 2008-12-31 | 2009-06-03 | 广州冷机股份有限公司 | Reciprocating sealed compressor |
| CN202326114U (en) * | 2011-11-16 | 2012-07-11 | 常州天安尼康达电器有限公司 | Cylinder cover structure used for low-noise air compressor |
-
2017
- 2017-02-23 CN CN201710100536.4A patent/CN106870327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877842A (en) * | 1970-01-21 | 1975-04-15 | Itt | Air pumps |
| US4715790A (en) * | 1985-03-12 | 1987-12-29 | Diesel Kiki Co., Ltd. | Compressor having pulsating reducing mechanism |
| JP2000161216A (en) * | 1998-11-27 | 2000-06-13 | Sanden Corp | Reciprocating compressor |
| CN101440792A (en) * | 2007-10-03 | 2009-05-27 | 松下电器产业株式会社 | Closed type compressor |
| CN101446284A (en) * | 2008-12-31 | 2009-06-03 | 广州冷机股份有限公司 | Reciprocating sealed compressor |
| CN202326114U (en) * | 2011-11-16 | 2012-07-11 | 常州天安尼康达电器有限公司 | Cylinder cover structure used for low-noise air compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441771A (en) * | 2018-12-11 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating plant with it |
| CN109653994A (en) * | 2018-12-11 | 2019-04-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Head fixing device, compressor and the refrigeration equipment of compressor |
| CN111852873A (en) * | 2020-07-27 | 2020-10-30 | 重庆长安汽车股份有限公司 | Mechanical vacuum pump |
| CN111852873B (en) * | 2020-07-27 | 2022-08-09 | 重庆长安汽车股份有限公司 | Mechanical vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870327B (en) | 2018-09-25 |
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