CN207018155U - A kind of two-stage air compression cylinder of casing cooling integration - Google Patents
A kind of two-stage air compression cylinder of casing cooling integration Download PDFInfo
- Publication number
- CN207018155U CN207018155U CN201720832337.8U CN201720832337U CN207018155U CN 207018155 U CN207018155 U CN 207018155U CN 201720832337 U CN201720832337 U CN 201720832337U CN 207018155 U CN207018155 U CN 207018155U
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- China
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- cylinder
- plunger shaft
- cavity
- gas
- cold water
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Abstract
The utility model discloses a kind of two-stage air compression cylinder of casing cooling integration, plunger shaft, and the bottom surface mutually sealed with the top surface and crankcase mutually sealed with cylinder head are provided with the cylinder.Cold water cavity and some radiating tubes are provided between the outer wall of the cylinder and the cavity wall of plunger shaft.Cold water cavity ring plunger shaft is set.Radiating tube is vertically-mounted, and passes through cold water cavity.Radiating tube top is located at cylinder top surface.Plunger shaft is vertically arranged, and upper and lower opening.The inwall of plunger shaft is provided with the small interior tapering of the big lower openings of upper opening so that plunger shaft is divided into compression chamber and directed cavity.Wherein compression chamber is located on directed cavity, and has a diameter larger than the diameter of directed cavity.Lateral gas port is provided with the interior tapering of plunger shaft.
Description
Technical field
It the utility model is related to the cylinder of air compressor, more particularly to piston type air compressor.
Background technology
Piston type air compressor is moved back and forth in cylinder by crankshaft-link rod band piston and realizes that air compresses.Typically
Piston type air compressor in, when piston is close to axis, cylinder is from ambient inlet air；When piston is away from Crankshaft
The air in cylinder is compressed during the heart.Compressed when one major issue of this air compressor is cylinder air-breathing with air
When, piston stress differs greatly, and causes to vibrate larger.And this air compressor is due to its own characteristic, it usually needs point
Level compression.Implements spatial scalable compression can reduce delivery temperature, save work done during compression, improve volumetric efficiency, increase compressed gas capacity.This
Outside, in marine air compressor, can accomplish more because ship space is limited, therefore for the volume requirement of air compressor
It is compact.
The content of the invention
Problem to be solved in the utility model：
1st, during cylinder air-breathing and when air compresses, piston stress differs greatly, and causes vibration very big.
2nd, the volume of air compressor is compacter.
To solve the above problems, the scheme that the utility model uses is as follows：
A kind of two-stage air compression cylinder of casing cooling integration, plunger shaft is provided with the cylinder, and have and cylinder
Cover the bottom surface that the top surface mutually sealed mutually seals with crankcase；Between the outer wall of the cylinder and the cavity wall of plunger shaft be provided with cold water cavity and
Some radiating tubes；Cold water cavity ring plunger shaft is set；Radiating tube is vertically-mounted, and passes through cold water cavity；Radiating tube top is located at cylinder
Top surface.
Further, plunger shaft is vertically arranged, and upper and lower opening；The inwall of plunger shaft is provided with the big lower openings of upper opening
Small interior tapering so that plunger shaft is divided into compression chamber and directed cavity；Wherein compression chamber is located on directed cavity, and its is straight
Footpath is more than the diameter of directed cavity；Lateral gas port is provided with the interior tapering of plunger shaft.
The two-stage air compression cylinder of casing cooling integration as claimed in claim, it is characterised in that plunger shaft
Top open part is provided with the first air valve chamber；The second air valve chamber is provided with outside lateral gas port；First air valve chamber and the second air valve
Chamber is used to install combination valve.
Further, it is provided with hub cavity outside the second air valve chamber；Hub cavity front openings, side are provided with interior gas outlet；
Gas off-take is provided with cylinder outer wall；Gas off-take is located at outside cold water cavity；Gas outlet in one end connection of gas off-take, the other end connect
Connect outer gas outlet；Gas off-take is angularly disposed, and one end of gas outlet is higher than the one end for connecting outer gas outlet in gas off-take connection.
Further, it is provided with cylinder circuit on the cylinder bottom surface；Cylinder circuit is set around plunger shaft bottom opening；Radiating
The bottom end opening of pipe is arranged in cylinder circuit, and thus connects the gentle cylinder ring road of radiating tube.
Further, cylinder is laterally provided with transition air flue；Transition air flue is angularly disposed on cylinder, and bottom connects cylinder ring
Road, and be arranged at cylinder and lateral gas port is installed on the side；The top of transition air flue is provided with lateral transition opening；Transition is opened
Mouth is located at the underface of hub cavity front openings.
Further, flight is provided with radiating tube.
Further, the delivery port of connection cold water cavity is provided with the cylinder top surface.
Further, the cold water cavity of cylinder is provided with the outer wall of radiating tube side and offers opening of external wall.
Further, the plunger shaft of cylinder, cold water cavity, lateral gas port, hub cavity, the first air valve chamber, the second air valve chamber, outlet
The structure that road, interior gas outlet, outer gas outlet, cylinder circuit and transition air flue are formed is by being integrally cast.
Technique effect of the present utility model is as follows：
1st, cylinder two-stage design so that piston is during reciprocating motion, stress relative equilibrium, so as to reduce vibration,
And save work done during compression.
2nd, the part of compressed air cooling is directly integrated in cylinder, and the pipeline connected between two stages of compression chamber is also collected
Into into cylinder, so that air compressor need not install extra cooling body, so as to less overall volume.
3rd, because pipeline is integrated in cylinder and cylinder head, avoid external pipe and connect in a jumble, therefore the utility model
Air compressor installation and be easily serviced.
4th, more settings of radiating tube, cylinder circuit, the design of transition air flue large space so that cylinder has pooling feature.
5th, cold water cavity ring plunger shaft designs so that cold water cavity can cool down to plunger shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment sectional elevation.
Fig. 2 is the structural representation that the center line that the utility model embodiment is laterally open carries out sectional horizontal.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
A kind of two-stage air compression cylinder of casing cooling integration, for air compressor, as shown in Figure 1 and Figure 2, it is in
Tetragonal structure, centre are provided with the plunger shaft 11 of up/down perforation, and top is provided with the top surface mutually sealed with cylinder head, and bottom is set
It is equipped with the bottom surface mutually sealed with crankcase.Plunger shaft 11 is used to dispose piston.That is, the cylinder top surface seals with cylinder head
Afterwards, after bottom surface and crankcase seals, and in plunger shaft 11 after installation piston, piston is connected with the bent axle in crankcase by connecting rod
An air compressor is formed after connecing.
The up/down perforation of plunger shaft 11 means that plunger shaft 11 is vertically arranged, and upper and lower opening.The open top of plunger shaft 11
Place is provided with the first air valve chamber 114.First air valve chamber 114 is used to install combination valve.The bottom opening 115 of plunger shaft 11 is used for
Piston in plunger shaft 11 connects connecting rod and can penetrate in the casing of crankcase and connect the bent axle in crankcase.
The inwall of plunger shaft 11 is provided with the small interior tapering 113 of the big lower openings of upper opening so that plunger shaft 11 is divided
It is cut into compression chamber 111 and directed cavity 112.Compression chamber 111 and directed cavity 112 are cylindrical structural, and interior tapering 113 is taper knot
Structure, wherein compression chamber 111 are located on directed cavity 112, and have a diameter larger than the diameter of directed cavity 112.The side in interior tapering 113
While it is provided with connection plunger shaft 11 and outside lateral openings 116.Thus, after piston is arranged in plunger shaft 11, two are formed
Level compression chamber：First compression chamber and the second compression chamber.First compression chamber is located between piston-top surface and the open top of plunger shaft 11,
And air inlet and outlet are realized by open top.First compression chamber is realized by the combination valve installed on the first air valve chamber 114
Air inlet and the control of outlet.Second compression chamber by piston be located at the inside points of compression chamber 111 lower section and directed cavity and piston it is close
Envelope is formed.Second compression chamber realizes air inlet and outlet by lateral openings 116.The second gas is provided with outside lateral openings 116
Valve pocket 161.Second air valve chamber 161 is used to install combination valve.That is, the second compression chamber passes through in the second air valve chamber 161
The combination valve of installation realizes air inlet and the control of outlet.The combination gas of installation in first air valve chamber 114 and the second air valve chamber 161
Valve is made up of two check valves, and two check valves are respectively used to air inlet control and outlet control.Piston in plunger shaft 11
During rising, the first compression chamber compressed air, the second compression chamber air-breathing；When piston declines, the first compression chamber air-breathing, the second compression
Chamber compressed air.
Second air valve chamber 161 is externally provided with hub cavity 16.The front openings of hub cavity 16, side are provided with interior gas outlet 162.
Oblique gas off-take 15 is provided with the outer wall of cylinder.Gas off-take 15 is located at outside cold water cavity 12.One end connection of gas off-take 15
Interior gas outlet 162, the other end connect outer gas outlet 151.The oblique of gas off-take 15 refers to that gas off-take 15 connects interior gas outlet 162
One end of the outer gas outlet 151 of a little higher than connection in one end, both ends difference in height are no more than 2 centimetres.
Between the outer wall of cylinder and the cavity wall of piston chamber 11, cold water cavity 12 and some radiating tubes 13 are provided with.It is cold
Water cavity 12 is surrounded on outside plunger shaft 11, and in Fig. 1,12_a, 12_b and 12_c are a part for cold water cavity 12, is interconnected.
Radiating tube 13 is vertically installed between the outer wall of cylinder and piston chamber 11, and its top is arranged on cylinder top surface, its bottom
End is arranged on cylinder bottom surface and connects cylinder circuit 14, passes through the first cold water cavity 12 among it.Use is provided with radiating tube 13
In the flight 131 of enhancing radiating effect.Cylinder circuit 14 is arranged at cylinder bottom surface, and is open towards crankcase 3.Cylinder is lateral
It is provided with transition air flue 141.Transition air flue 141 is angularly disposed in cylinder, and bottom connects cylinder circuit 14, and is arranged at cylinder
Lateral gas port 116 is installed on the side.It is, transition air flue 141 is set in the same direction with lateral gas port 116.Transition air flue 141
Top be provided with lateral transition opening 142.Transition opening 142 is located under the front openings of hub cavity 16.Thus, transition opening
142 can seal and connect by laterally covering with the front openings of hub cavity 16.
Further, the cold water cavity 12 of cylinder, which is provided with the outer wall of the side of radiating tube 13, is further opened with opening of external wall 122, outside
The radiating tube 13 that wall opening 122 is used in cold water cavity 12 repairs.During work, opening of external wall 122 is by cover plate for sealing.
Further, cylinder top surface is provided with the delivery port 121 connected with cold water cavity 12.
The installation of the present embodiment cylinder and operation principle are as follows：After cylinder head and cylinder top surface seal, pass through cylinder head
Interior air flue, the top connection of radiating tube 13 are arranged on the gas outlet of the combination valve in the first air valve chamber 114.Installed in first
Air intake duct in the air inlet connection cylinder head of combination valve in air valve chamber 114.Thus, when piston declines, outside air
First compression chamber is inhaled into by the air inlet of the combined air valve of the air intake duct of cylinder head, when piston rises, air compression, pressure
Air flue in the gas outlet and cylinder head of the combined air valve of air after contracting, which enters, carries out cooling in radiating tube 13, after cooling
Compressed air through the air flue in cylinder circuit 14, transition air flue 141 and lateral lid, then by the second air valve chamber after hub cavity 16
The air inlet of the combination valve of installation enters the second compression chamber in 161, then when piston declines again, in the second compression chamber
Air is by the second second compression, and air after the second second compression is from combination gas of the lateral openings 116 through installation in the second air valve chamber 161
The interior gas outlet 162 through the side of hub cavity 16 enters gas off-take 15 again for the gas outlet of valve, is finally realized out by outer gas outlet 151
Gas.That is, the present embodiment air cylinder structure is a kind of cylinder of single cylinder single-piston two-stage air compression, two-stage air compressed gas
Cylinder is cascaded by the pipeline built in casing and air flue, and the cascade pipeline between the compression of two-stage air passes through radiating tube 13
Carry out cooling.And because piston type pneumatic compression is a kind of outlet of pulsed, it is therefore desirable to which buffering slows down pulse.This
In embodiment, radiating tube 13 is designed to air flue cushioning effect using more, and cylinder circuit 14, transition air flue 141 have
There is larger space equally being capable of air flue cushioning effect.That is, the cylinder of the present embodiment comes with compressed air pooling feature.
In addition, in the cylinder of the present embodiment, the part in addition to radiating tube 13 is by being integrally cast.Specifically,
The plunger shaft 11 of cylinder, cold water cavity 12, lateral gas port 116, hub cavity 16, the first air valve chamber 114, the second air valve chamber 161, outlet
The structure that road 15, interior gas outlet 162, outer gas outlet 151, cylinder circuit 14 and transition air flue 141 are formed is by monoblock cast
Form.
In addition, the delivery port 121 of the cold water cavity 12 of cylinder is opened in cylinder top surface, thus, cooling water can flow into cylinder
In lid, the air flue in cylinder head is cooled down.
Claims (10)
1. a kind of two-stage air compression cylinder of casing cooling integration, plunger shaft (11) is provided with the cylinder, and is had and gas
The bottom surface that the top surface that cylinder cap mutually seals mutually seals with crankcase；Characterized in that, the chamber of the outer wall and plunger shaft (11) of the cylinder
Cold water cavity (12) and some radiating tubes (13) are provided between wall；Cold water cavity (12) ring plunger shaft (11) is set；Radiating tube (13) is perpendicular
Straight installation, and pass through cold water cavity (12)；Radiating tube (13) top is located at cylinder top surface.
2. the two-stage air compression cylinder of casing cooling integration as claimed in claim 1, it is characterised in that plunger shaft (11)
It is vertically arranged, and upper and lower opening；The inwall of plunger shaft (11) is provided with the small interior tapering (113) of the big lower openings of upper opening,
So that plunger shaft (11) is divided into compression chamber (111) and directed cavity (112)；Wherein compression chamber (111) is located at directed cavity (112)
On, and have a diameter larger than the diameter of directed cavity (112)；Interior tapering (113) place of plunger shaft (11) is provided with lateral gas port
(116)。
3. the two-stage air compression cylinder of casing cooling integration as claimed in claim 2, it is characterised in that plunger shaft (11)
Top open part be provided with the first air valve chamber (114)；The second air valve chamber (161) is provided with outside lateral gas port (116)；First
Air valve chamber (114) and the second air valve chamber (161) are used to install combination valve.
4. the two-stage air compression cylinder of casing cooling integration as claimed in claim 3, it is characterised in that the second air valve chamber
(161) hub cavity (16) is provided with outside；Hub cavity (16) front openings, side are provided with interior gas outlet (162)；Cylinder outer wall
Inside it is provided with gas off-take (15)；Gas off-take (15) is located at outside cold water cavity (12)；Gas outlet in one end connection of gas off-take (15)
(162), the other end connects outer gas outlet (151)；Gas off-take (15) is angularly disposed, gas outlet (162) in gas off-take (15) connection
One end higher than the one end for connecting outer gas outlet (151).
5. the two-stage air compression cylinder of casing cooling integration as claimed in claim 4, it is characterised in that the cylinder bottom surface
On be provided with cylinder circuit (14)；Cylinder circuit (14) is set around plunger shaft (11) bottom opening；The bottom of radiating tube (13)
Opening is arranged in cylinder circuit (14), and thus connects radiating tube (13) gentle cylinder ring road (14).
6. the two-stage air compression cylinder of casing cooling integration as claimed in claim 5, it is characterised in that cylinder (1) side
To being provided with transition air flue (141)；Transition air flue (141) is angularly disposed, and on cylinder (1), bottom connects cylinder circuit (14),
And it is arranged at cylinder (1) and lateral gas port (116) is installed on the side；The top of transition air flue (141) is provided with lateral transition
It is open (142)；Transition opening (142) is located at the underface of hub cavity (16) front openings.
7. the two-stage air compression cylinder of casing cooling integration as claimed in claim 1, it is characterised in that radiating tube (13)
Inside it is provided with flight (131).
8. the two-stage air compression cylinder of casing cooling integration as claimed in claim 1, it is characterised in that the cylinder top surface
On be provided with connection cold water cavity (12) delivery port (121).
9. the two-stage air compression cylinder of casing cooling integration as claimed in claim 1, it is characterised in that the cold water of cylinder
Chamber (12), which is provided with the outer wall of radiating tube (13) side, offers opening of external wall (122).
10. the two-stage air compression cylinder of casing cooling integration as claimed in claim 5, it is characterised in that the work of cylinder
Fill in chamber (11), cold water cavity (12), lateral gas port (116), hub cavity (16), the first air valve chamber (114), the second air valve chamber (161),
What gas off-take (15), interior gas outlet (162), outer gas outlet (151), cylinder circuit (14) and transition air flue (141) were formed
Structure is by being integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832337.8U CN207018155U (en) | 2017-07-11 | 2017-07-11 | A kind of two-stage air compression cylinder of casing cooling integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832337.8U CN207018155U (en) | 2017-07-11 | 2017-07-11 | A kind of two-stage air compression cylinder of casing cooling integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018155U true CN207018155U (en) | 2018-02-16 |
Family
ID=61483703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720832337.8U Expired - Fee Related CN207018155U (en) | 2017-07-11 | 2017-07-11 | A kind of two-stage air compression cylinder of casing cooling integration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218190A (en) * | 2017-07-11 | 2017-09-29 | 江苏恒达动力科技发展股份有限公司 | A kind of two-stage air compression cylinder of casing cooling integration |
-
2017
- 2017-07-11 CN CN201720832337.8U patent/CN207018155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218190A (en) * | 2017-07-11 | 2017-09-29 | 江苏恒达动力科技发展股份有限公司 | A kind of two-stage air compression cylinder of casing cooling integration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20210711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |