CN106870327B - A kind of reciprocating compressor exhaust noise silencing structure - Google Patents
A kind of reciprocating compressor exhaust noise silencing structure Download PDFInfo
- Publication number
- CN106870327B CN106870327B CN201710100536.4A CN201710100536A CN106870327B CN 106870327 B CN106870327 B CN 106870327B CN 201710100536 A CN201710100536 A CN 201710100536A CN 106870327 B CN106870327 B CN 106870327B
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- China
- Prior art keywords
- valve plate
- exhaust
- row stomata
- hole
- reciprocating compressor
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Classifications
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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
- F04B39/0055—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
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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
- F04B39/12—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 structures, for reciprocating compressor technical field, including cylinder block, valve plate, exhaust valve plate and cylinder head, valve plate is equipped with first row stomata, valve plate through-hole, second row stomata and the exhaust cushion chamber that valve plate through-hole and second row stomata is connected, exhaust valve plate is located at the back side of first row stomata, and cylinder head has the cylinder cover cavity that the bootable air-flow being discharged by first row stomata enters through valve plate through-hole in exhaust cushion chamber.When work, refrigerant enters the cylinder cover cavity of cylinder cover after piston compresses by first row gas port, enters exhaust cushion chamber by valve plate through-hole, is most discharged afterwards through second exhaust hole；The present invention increases exhaust cushion chamber directly on valve plate, reduces vibration of compressor, noise, improves the electrical appliances such as refrigerator and matches noise qualities；Moreover, valve plate exhaust cushion chamber processing technology is simple, it can be realized by mold, need not 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
Research and development, the production of full-sealed reciprocating compressor will consider performance and economy, improve compressor performance, change
The economy of kind compressor has become one of the 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, cylinder cover is entered by exhaust outlet after piston compresses,
Enter external exhaust noise silencing chamber by pipeline, enters box system from exhaust pipe；
2. refrigerant sucks cylinder seat cylinder holes by air-breathing valve port, cylinder cover is entered by exhaust outlet after piston compresses,
Enter cylinder seat through valve plate exhaust hole and be vented cushion chamber, enter exhaust noise silencing chamber from throttle orifice, then by exhaust pipe into cartonning
System is united；
3. refrigerant sucks cylinder seat cylinder holes by air-breathing valve port, cylinder cover is entered by exhaust outlet after piston compresses,
Through valve plate exhaust hole enter cylinder seat be vented cushion chamber, from throttle orifice enter external muffler, then by exhaust pipe into
Enter box system.
Prior art disadvantage：
1. in said program, especially scheme 1 is straight due to lacking throttle orifice and exhaust cushion chamber, compressed refrigerant
External silencing cavity discharge was connected, strong gas causes vibration of compressor and noise big.
2. scheme 2,3 needs to increase cylinder seat manufacturing procedure, processing charges increases.
Invention content
To solve the above problems, the present invention provides a kind of reciprocating compressor exhaust noise silencing structure, processing technology is simple,
Cost is lower, while can also improve the pneumatic noise of compressor, obtains better sound quality.
The technical solution adopted by 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 the cylinder head for being located at the valve plate back side, the valve plate be equipped with first row stomata,
The exhaust cushion chamber of valve plate through-hole, second row stomata and conducting the valve plate through-hole and second row stomata, the exhaust valve plate
It is located at the back side of first row stomata, there is the cylinder head the bootable air-flow being discharged by first row stomata to enter through valve plate through-hole
The cylinder cover cavity being vented in cushion chamber.
It is further used as the improvement of technical solution of the present invention, throttle orifice that the exhaust cushion chamber is narrowed by section and the
Two gas vents are connected.
It is further used as the improvement of technical solution of the present invention, further includes the valve plate gasket being located between valve plate and cylinder block,
The first groove is opened up on front side of the valve plate and first groove and the second groove of second row stomata, the valve plate and valve is connected
The exhaust cushion chamber is formed by first groove between plate gasket, it is recessed by described second between valve plate and valve plate gasket
Slot forms the throttle orifice.
It is further used as the improvement of technical solution of the present invention, the valve plate is equipped 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.
It is further used as the improvement of technical solution of the present invention, the external exhaust muffling device, cylinder head and valve plate pass through
Screw across the screw mounting hole is securedly mounted on cylinder block.
It is further used as the improvement of technical solution of the present invention, is limited equipped with valve block in exhaust valve plate back side on the valve plate
Plate.
It is further used as the improvement of technical solution of the present invention, the cylinder head is equipped with tabula, and the tabula is by cylinder head
Inner cavity 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.
It is further used as the improvement of technical solution of the present invention, cylinder head gasket is equipped between the cylinder head and valve plate.
Beneficial effects of the present invention：When the present invention works, refrigerant enters vapour after piston compresses by first row gas port
The cylinder cover cavity of cylinder cap enters exhaust cushion chamber by valve plate through-hole, is most discharged afterwards through second exhaust hole；The present invention is directly in valve
Increase exhaust cushion chamber on plate, reduce vibration of compressor, noise, improves the electrical appliances such as refrigerator and match noise qualities；Moreover, valve plate
It is simple to be vented cushion chamber processing technology, can be realized by mold, need not additionally increase cost, while material can be reduced and disappeared
Consumption.
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 schematic diagram.
Specific implementation mode
Referring to Fig.1, Fig. 2, that show the concrete structures of the preferred embodiments of the invention.It will be detailed below this hair
The design feature of bright each component, and when if there is being described to direction (upper and lower, left and right, before and after), it is with knot shown in Fig. 2
Structure is that reference describes, but the actual use direction of the present invention is not limited thereto.
The present invention provides a kind of reciprocating compressor exhaust noise silencing structures, including cylinder block 1, valve plate 2, exhaust valve plate
31, suction valve chip 32 and it is located at the cylinder head 4 of 2 back side of the valve plate, cylinder-top gasket is equipped between the cylinder head 4 and valve plate 2
Piece 5.The valve plate 2 is equipped with suction hole, first row stomata 21, valve plate through-hole 22, second row stomata 23 and the conducting valve
The exhaust cushion chamber 24 of plate through-hole 22 and second row stomata 23, suction valve chip 32 are located at the front side of suction hole.Valve plate through-hole 24 is set
Set one or more, the exhaust valve plate 31 is located at the back side of first row stomata 21, in 31 back side of exhaust valve plate on the valve plate 2
Equipped with valve block limiting plate 6.There is the cylinder head 4 the bootable air-flow being discharged by first row stomata 21 to enter through valve plate through-hole 22
The cylinder cover cavity being vented in cushion chamber 24.
When the present invention works, refrigerant is entered by first row gas port 21 in the cylinder head of cylinder cover 4 after the compression of piston 7
Chamber enters exhaust cushion chamber 24 by valve plate through-hole 22, is most discharged afterwards through second exhaust hole 23；The present invention directly increases on valve plate 2
Add exhaust cushion chamber 24, reduce vibration of compressor, noise, improves the electrical appliances such as refrigerator and match noise qualities；Moreover, valve plate is vented
Cushion chamber processing technology is simple, can be realized by mold, need not additionally increase cost, while can reduce material consumption.
In order to further decrease vibration, the noise of compressor, the throttle orifice that the exhaust cushion chamber 24 is narrowed by section
25 are connected with second row stomata 23, in addition, the cylinder head 4 is equipped with tabula 41, the tabula 41 separates cylinder cover cavity
For the second inner chamber 43 positioned at the first inner chamber 42 in 21 outside of first row stomata and positioned at 22 outside of valve plate through-hole, 41 end of tabula
There are the intervals of conducting first inner chamber 42 and second inner chamber 43.At this point, 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 after the compression of piston 7 by first row gas port 21
Every entering second inner chamber 43, 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.
Further include the valve plate gasket 8 being located between valve plate 2 and cylinder block 1 as the preferred embodiment of the present invention, it is described
The front side of valve plate 2 opens up the first groove and first groove and 23 second groove of second row stomata is connected, and the first groove is cut
The rectangular strip in face, the second groove take the shape of the letter U channel-shaped, are formed by first groove between the valve plate 2 and valve plate gasket 8
The exhaust cushion chamber 24, the throttle orifice 25 is formed between valve plate 2 and valve plate gasket 8 by second groove.Above-mentioned knot
The exhaust cushion chamber 24 and 25 processing technology of throttle orifice of structure are simple, can be realized by mold, need not additionally increase cost, simultaneously
Material consumption can be reduced.
The valve plate 2 is equipped with screw mounting hole 26, and 23 and one screw mounting hole 26 of the second row stomata shares
Same through-hole keeps 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 fasten installation by the screw across the screw mounting hole 26
On cylinder block 1, the refrigerant through the discharge of second row stomata enters external exhaust muffling device, then enters babinet by exhaust pipe
System.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (8)
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 back side, the valve plate are equipped with described in 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 are located at the back side of first row stomata, the cylinder head
Enter the cylinder cover cavity in exhaust cushion chamber, the valve through valve plate through-hole with the bootable air-flow being discharged by first row stomata
Plate is equipped with screw mounting hole, and the second row stomata and a screw mounting hole share same through-hole.
2. reciprocating compressor exhaust noise silencing structure according to claim 1, it is characterised in that：The exhaust cushion chamber is logical
The narrowed throttle orifice in section is crossed to be connected with second row stomata.
3. reciprocating compressor exhaust noise silencing structure according to claim 2, it is characterised in that：Further include be located at valve plate with
Valve plate gasket between cylinder block opens up the first groove on front side of the valve plate and first groove and second row stomata is connected
Second groove forms the exhaust cushion chamber, valve plate and valve plate between the valve plate and valve plate gasket by first groove
The throttle orifice is formed by second groove between gasket.
4. reciprocating compressor exhaust noise silencing structure according to claim 1, it is characterised in that：Outside the second row stomata
Connect external exhaust muffling device.
5. reciprocating compressor exhaust noise silencing structure according to claim 4, it is characterised in that：The external exhaust noise silencing
Device, cylinder head and valve plate across the screw of the screw mounting hole by being securedly mounted on cylinder block.
6. reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：On the valve plate
It is equipped with valve block limiting plate in exhaust valve plate back side.
7. reciprocating compressor exhaust noise silencing structure according to claim 1,2 or 3, it is characterised in that：The cylinder head
It is equipped 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
Second inner chamber on the outside of hole, there are the intervals of conducting first inner chamber and second inner chamber for tabula end.
8. 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 equipped 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 CN106870327A (en) | 2017-06-20 |
| CN106870327B true 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 |
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| CN (1) | CN106870327B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3848584A4 (en) * | 2018-12-11 | 2021-10-20 | Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai | Head fixing device of compressor, compressor and refrigeration device |
Families Citing this family (2)
| 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 |
| CN111852873B (en) * | 2020-07-27 | 2022-08-09 | 重庆长安汽车股份有限公司 | Mechanical vacuum pump |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161216A (en) * | 1998-11-27 | 2000-06-13 | Sanden Corp | Reciprocating compressor |
-
2017
- 2017-02-23 CN CN201710100536.4A patent/CN106870327B/en active Active
Patent Citations (5)
| 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 |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3848584A4 (en) * | 2018-12-11 | 2021-10-20 | Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai | Head fixing device of compressor, compressor and refrigeration device |
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| Publication number | Publication date |
|---|---|
| CN106870327A (en) | 2017-06-20 |
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