CN210889274U - Cylinder cover assembly with cooling and noise reduction functions - Google Patents
Cylinder cover assembly with cooling and noise reduction functions Download PDFInfo
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- CN210889274U CN210889274U CN201921053714.3U CN201921053714U CN210889274U CN 210889274 U CN210889274 U CN 210889274U CN 201921053714 U CN201921053714 U CN 201921053714U CN 210889274 U CN210889274 U CN 210889274U
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- cavity
- cover
- cooling
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Abstract
The utility model discloses a cylinder cover assembly with cooling and noise reduction functions, which comprises a cylinder cover, a valve plate assembly connected below the cylinder cover and an air outlet cover connected above the cylinder cover; the cylinder cover is characterized in that a concave-convex partition plate is fixedly arranged in the cylinder cover, a lower cylinder cover cooling oil cavity is formed by the lower surface of the concave-convex partition plate and the side portion of the cylinder cover, and an upper cylinder cover air cavity is formed by the upper surface of the concave-convex partition plate and the side portion of the cylinder cover. The utility model discloses make the labyrinth with the two-stage gas circulation ways of cylinder cap to make the cooling oil circuit in the gas circuit alone, increased the circulation of lubricated oil mass, make like this that gas has carried out the intercooling before getting into the second grade compression, gas behind the second grade compression is discharged after the labyrinth cools off, thereby makes exhaust temperature reduce. Simultaneously because the cylinder cap top has increased exhaust baffle and has gone out the gas cap, this sound transmission that just makes the discharge valve piece pat the valve plate has more one deck barrier, consequently makes the noise can reduce.
Description
Technical Field
The utility model relates to a cylinder cap sub-assembly with function of making an uproar falls in cooling belongs to compressor equipment and falls the technical field of making an uproar.
Background
The cylinder cover used in the field of cylinder covers for existing reciprocating piston compressors is mainly characterized in that oil and gas circuits are on the same end face, and compressed gas is directly discharged. This results in disadvantages:
1. the gas and oil paths are arranged on the same end face, the respective distribution areas are limited, so that the cooling of the gas is limited, the compressed gas is directly discharged from a cylinder cover without being cooled, the exhaust temperature is increased, the viscosity of lubricating oil is reduced, the lubricating cooling performance is deteriorated, light substances in the lubricating oil volatilize due to high exhaust temperature, the oil content in compressed air is increased, and carbon deposition is generated on the lubricating oil, so that the phenomena of adhesion, coking and the like of an air inlet valve plate and an air outlet valve plate are generated;
2. the noise is big, does not have the sound-proof structure to cylinder cap position noise production, adopts simple parcel mode, and not only the operation is inconvenient, and noise reduction effect is also not obvious.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cylinder cap sub-assembly with function of making an uproar falls in cooling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cylinder cover assembly with cooling and noise reduction functions comprises a cylinder cover, a valve plate assembly connected below the cylinder cover and an air outlet cover connected above the cylinder cover;
the cylinder cover is characterized in that a concave-convex partition plate is fixedly arranged in the cylinder cover, a lower cylinder cover cooling oil cavity is formed by the lower surface of the concave-convex partition plate and the side portion of the cylinder cover, and an upper cylinder cover air cavity is formed by the upper surface of the concave-convex partition plate and the side portion of the cylinder cover.
As a further improvement of the utility model, the upper surface of unsmooth baffle is seted up respectively with the communicating cylinder cap oil inlet of lower floor's cylinder cap cooling oil pocket and with the communicating cylinder cap gas outlet of upper cylinder cap air cavity, the lateral part of cylinder cap is provided with the cylinder cap oil-out of intercommunication lower floor's cylinder cap cooling oil pocket and communicates the cylinder cap air inlet of upper cylinder cap air cavity respectively.
As a further improvement of the utility model, the inner side of the air outlet cover is provided with an air outlet gas circuit for compressed air to pass through;
and an air outlet cover exhaust port communicated with the air outlet gas path is arranged on the outer side of the air outlet cover.
As a further improvement of the utility model, the upper cylinder cover air cavity includes the second grade chamber and the second grade chamber of breathing in that communicate the one-level chamber of exhausting behind labyrinth air cavity runner with communicating one-level chamber, one-level chamber of exhausting of cylinder cover air inlet.
As a further improvement of the utility model, the middle part of the valve plate assembly is provided with a primary air cavity port corresponding to the primary exhaust cavity and a secondary air cavity port corresponding to the secondary exhaust cavity; and the upper surface of the valve plate assembly is provided with a first-stage exhaust valve plate which covers the upper port of the first-stage air cavity and a second-stage exhaust valve plate which covers the upper port of the second-stage air cavity respectively.
As a further improvement of the utility model, the cylinder head upper surface lid closes the baffle that makes upper cylinder head air cavity form sealed passageway, the baffle gas outlet has been seted up on the baffle.
As a further improvement of the utility model, the air outlet cover covers the upper surface of the baffle plate, and the air outlet of the baffle plate is communicated with the air outlet path;
and compressed gas in the secondary exhaust cavity enters the gas outlet gas path from the gas outlet of the partition plate and is exhausted from the gas outlet of the gas outlet cover.
As a further improvement of the utility model, the lower surface of the baffle plate and the upper surface of the cylinder cover as well as the upper surface of the baffle plate and the lower surface of the air outlet cover are respectively provided with a baffle plate sealing gasket; the baffle sealing gasket enables the baffle to be connected between the upper surface of the cylinder cover and the lower surface of the air outlet cover in a sealing mode.
As a further improvement of the present invention, a cooling oil channel is provided inside the valve plate assembly, a valve plate oil inlet communicated with the cooling oil channel is provided on the lower surface of the valve plate assembly, and a valve plate oil outlet communicated with the cooling oil channel is provided on the upper surface of the valve plate assembly; the oil outlet of the valve plate is communicated with the oil inlet of the cylinder cover; and cooling oil flows through the lower-layer cylinder cover cooling oil cavity from the cylinder cover oil inlet to exchange heat with compressed air in the upper-layer cylinder cover air cavity, and then is discharged from the cylinder cover oil outlet.
As a further improvement, a cylinder cover sealing gasket is arranged between the lower surface of the cylinder cover and the upper surface of the valve plate assembly, and the cylinder cover sealing gasket enables the lower surface of the cylinder cover to be closely connected with the upper surface of the valve plate assembly.
Compared with the prior art, the utility model discloses the beneficial effect who gains as follows:
the utility model discloses make the labyrinth with the two-stage gas circulation ways of cylinder cap to make the cooling oil circuit in the gas circuit alone, increased the circulation of lubricated oil mass, make like this that gas has carried out the intercooling before getting into the second grade compression, gas behind the second grade compression is discharged after the labyrinth cools off, thereby makes exhaust temperature reduce. Simultaneously because the cylinder cap top has increased exhaust baffle and has gone out the gas cap, this sound transmission that just makes the discharge valve piece pat the valve plate has more one deck barrier, consequently makes the noise can reduce.
Drawings
FIG. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic view of the axial measurement structure of the present invention;
FIG. 3 is a schematic view of the bottom surface structure of the valve plate assembly of the present invention;
FIG. 4 is a schematic side view of the cylinder head of the present invention;
FIG. 5 is a schematic structural diagram of an upper cylinder head air cavity of the utility model;
FIG. 6 is a schematic structural view of a cooling oil cavity of a lower cylinder head of the present invention;
FIG. 7 is a cross-sectional view taken along line C of FIG. 6;
FIG. 8 is a schematic structural view of the air outlet cover of the present invention;
FIG. 9 is a schematic structural view of an inner side air groove of the air outlet cover of the present invention;
fig. 10 is a schematic structural diagram of the outer side of the air outlet cover of the present invention.
In the drawings: the cylinder cover comprises a first-stage exhaust valve plate 1, a valve plate assembly 2, a second-stage exhaust valve plate 3, a cylinder cover sealing gasket 4, a cylinder cover 5, a cylinder cover oil outlet 6, a cylinder cover gas outlet 7, a partition plate sealing gasket 8, a partition plate gas outlet 9, a partition plate 10, a gas outlet cover 11, a gas outlet cover gas outlet 12, a cylinder cover oil inlet 13, a cylinder cover gas inlet 14, a valve plate oil outlet 15, a first-stage exhaust cavity 16, a second-stage suction cavity 17, a second-stage exhaust cavity 18, a first-stage suction cavity 19, a lower-layer cylinder cover cooling oil cavity 20, an upper-layer cylinder cover gas cavity 21, a gas outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-10, a cylinder head assembly with cooling and noise reduction functions comprises a cylinder head 5, a valve plate assembly 2 connected below the cylinder head 5, and an air outlet cover 11 connected above the cylinder head 5;
the cylinder cover is characterized in that a concave-convex partition plate is fixedly arranged in the cylinder cover 5, a lower cylinder cover cooling oil cavity 20 is formed by the lower surface of the concave-convex partition plate and the lateral portion of the cylinder cover 8, and an upper cylinder cover air cavity 21 is formed by the upper surface of the concave-convex partition plate and the lateral portion of the cylinder cover 8.
The upper surface of the concave-convex partition plate is respectively provided with a cylinder cover oil inlet 13 communicated with the lower cylinder cover cooling oil cavity 20 and a cylinder cover gas outlet 7 communicated with the upper cylinder cover gas cavity 21, and the side part of the cylinder cover 5 is respectively provided with a cylinder cover oil outlet 6 communicated with the lower cylinder cover cooling oil cavity 20 and a cylinder cover gas inlet 14 communicated with the upper cylinder cover gas cavity 21.
An air outlet path 22 for compressed air to pass through is arranged on the inner side of the air outlet cover 11;
and an air outlet cover exhaust port 12 communicated with the air outlet path 22 is arranged on the outer side of the air outlet cover 11.
The upper cylinder cover air cavity 21 comprises a primary air suction cavity 19 communicated with the cylinder cover air inlet 14, a primary exhaust cavity 16, a secondary air suction cavity 17 communicated with the primary exhaust cavity 16 after passing through a labyrinth air cavity runner, and a secondary exhaust cavity 18.
The middle part of the valve plate assembly 2 is provided with a primary air cavity port 23 corresponding to the primary exhaust cavity 16 and a secondary air cavity port 24 corresponding to the secondary exhaust cavity 18; the upper surface of the valve plate assembly 2 is provided with a first-stage exhaust valve plate 1 which covers the upper port of the first-stage air cavity port 23 and a second-stage exhaust valve plate 3 which covers the upper port of the second-stage air cavity port 24.
The upper surface of the cylinder cover 5 is covered with a partition plate 10 which enables the upper cylinder cover air cavity 21 to form a sealed channel, and a partition plate air outlet 9 is formed in the partition plate 10.
The air outlet cover 11 covers the upper surface of the partition plate 10, and the air outlet 9 of the partition plate is communicated with the air outlet path 22;
and compressed gas in the secondary exhaust cavity 18 enters the gas outlet gas path 22 from the partition plate gas outlet 9 and is exhausted from the gas outlet cover gas outlet 12.
The lower surface of the clapboard 10 and the upper surface of the cylinder cover 5 as well as the upper surface of the clapboard 10 and the lower surface of the air outlet cover 11 are respectively provided with a clapboard sealing gasket 8 in a cushioning way; the diaphragm gasket 8 seals the diaphragm 10 between the upper surface of the cylinder head 5 and the lower surface of the outlet cover 11.
A cooling oil channel is arranged inside the valve plate assembly 2, a valve plate oil inlet 25 communicated with the cooling oil channel is formed in the lower surface of the valve plate assembly 2, and a valve plate oil outlet 15 communicated with the cooling oil channel is formed in the upper surface of the valve plate assembly 2; the valve plate oil outlet 15 is communicated with the cylinder cover oil inlet 13; the cooling oil flows through the lower cylinder head cooling oil cavity 20 from the cylinder head oil inlet 13 to exchange heat with the compressed air in the upper cylinder head air cavity 21, and then is discharged from the cylinder head oil outlet 6.
And a cylinder cover sealing gasket 4 is arranged between the lower surface of the cylinder cover 5 and the upper surface of the valve plate assembly 2 in a cushioning manner, and the cylinder cover sealing gasket 4 enables the lower surface of the cylinder cover 5 to be hermetically connected with the upper surface of the valve plate assembly 2.
The utility model discloses be applied to second grade piston compressor, its theory of operation as follows:
gas circuit: air enters from the air suction cavity of the cylinder cover, the air suction valve plate is opened, the piston moves from the cover side to the shaft side through the reciprocating motion of the connecting rod piston, after the piston reaches the lower dead point, the piston moves in the reverse direction, the volume in the compression cavity is reduced, and the air pushes away the exhaust valve plate and enters the exhaust cavity of the cylinder cover. Then enters the air outlet cover with labyrinth cooling through the air outlet clapboard, and finally is conveyed to the air storage tank of the user through the air outlet of the air outlet cover. Oil path: lubricating oil enters the cylinder cover oil inlet from the valve plate oil outlet, so that the whole cylinder cover oil cavity is full of lubricating oil, and the lubricating oil is completely isolated from the gas path to play a cooling role.
The utility model discloses make the labyrinth with the two-stage gas circulation ways of cylinder cap to make the cooling oil circuit in the gas circuit alone, increased the circulation of lubricated oil mass, make like this that gas has carried out the intercooling before getting into the second grade compression, gas behind the second grade compression is discharged after the labyrinth cools off, thereby makes exhaust temperature reduce. Simultaneously because the cylinder cap top has increased exhaust baffle and has gone out the gas cap, this sound transmission that just makes the discharge valve piece pat the valve plate has more one deck barrier, consequently makes the noise can reduce.
The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a cylinder cap sub-assembly with cooling falls function of making an uproar which characterized in that: comprises a cylinder cover (5), a valve plate assembly (2) connected below the cylinder cover (5) and an air outlet cover (11) connected above the cylinder cover (5);
the cylinder cover cooling structure is characterized in that a concave-convex partition plate is fixedly arranged in the cylinder cover (5), a lower-layer cylinder cover cooling oil cavity (20) is formed by the lower surface of the concave-convex partition plate and the side portion of the cylinder cover (5), and an upper-layer cylinder cover air cavity (21) is formed by the upper surface of the concave-convex partition plate and the side portion of the cylinder cover (5).
2. The cylinder head assembly with the cooling and noise reducing functions as claimed in claim 1, wherein: the upper surface of the concave-convex partition plate is respectively provided with a cylinder cover oil inlet (13) communicated with the lower cylinder cover cooling oil cavity (20) and a cylinder cover gas outlet (7) communicated with the upper cylinder cover gas cavity (21), and the side part of the cylinder cover (5) is respectively provided with a cylinder cover oil outlet (6) communicated with the lower cylinder cover cooling oil cavity (20) and a cylinder cover gas inlet (14) communicated with the upper cylinder cover gas cavity (21).
3. A cylinder head assembly with cooling and noise reducing functions according to claim 2, wherein: an air outlet gas path (22) for compressed gas to pass through is arranged on the inner side of the air outlet cover (11);
and an air outlet cover exhaust port (12) communicated with the air outlet gas path (22) is arranged on the outer side of the air outlet cover (11).
4. A cylinder head assembly with cooling and noise reducing functions according to claim 3, wherein: the upper-layer cylinder cover air cavity (21) comprises a primary air suction cavity (19) communicated with the cylinder cover air inlet (14), a primary exhaust cavity (16), a secondary air suction cavity (17) communicated with the primary exhaust cavity (16) after passing through a labyrinth air cavity runner, and a secondary exhaust cavity (18).
5. The cylinder head assembly with cooling and noise reducing functions according to claim 4, wherein: a first-stage air cavity port (23) corresponding to the first-stage exhaust cavity (16) and a second-stage air cavity port (24) corresponding to the second-stage exhaust cavity (18) are formed in the middle of the valve plate assembly (2); the upper surface of the valve plate assembly (2) is provided with a first-stage exhaust valve plate (1) which covers the upper port of the first-stage air cavity port (23) and a second-stage exhaust valve plate (3) which covers the upper port of the second-stage air cavity port (24).
6. The cylinder head assembly with cooling and noise reducing functions according to claim 5, wherein: the upper surface of the cylinder cover (5) is covered with a partition plate (10) which enables an upper cylinder cover air cavity (21) to form a sealed channel, and a partition plate air outlet (9) is formed in the partition plate (10).
7. The cylinder head assembly with cooling and noise reducing functions according to claim 6, wherein: the air outlet cover (11) covers the upper surface of the partition plate (10), and an air outlet (9) of the partition plate is communicated with an air outlet gas path (22);
compressed gas in the secondary exhaust cavity (18) enters the gas outlet gas path (22) from the partition plate gas outlet (9) and is exhausted from the gas outlet cover gas outlet (12).
8. The cylinder head assembly with cooling and noise reducing functions according to claim 7, wherein: the lower surface of the clapboard (10) and the upper surface of the cylinder cover (5) as well as the upper surface of the clapboard (10) and the lower surface of the air outlet cover (11) are respectively provided with a clapboard sealing gasket (8) in a cushioning way; the clapboard gasket (8) leads the clapboard (10) to be connected between the upper surface of the cylinder cover (5) and the lower surface of the air outlet cover (11) in a sealing way.
9. A cylinder head assembly with cooling and noise reducing functions according to claim 2, wherein: a cooling oil channel is arranged in the valve plate assembly (2), a valve plate oil inlet (25) communicated with the cooling oil channel is formed in the lower surface of the valve plate assembly (2), and a valve plate oil outlet (15) communicated with the cooling oil channel is formed in the upper surface of the valve plate assembly (2); the oil outlet (15) of the valve plate is communicated with the oil inlet (13) of the cylinder cover; cooling oil flows through a cooling oil cavity (20) of the lower cylinder cover from an oil inlet (13) of the cylinder cover to exchange heat with compressed air in an air cavity (21) of the upper cylinder cover, and then is discharged from an oil outlet (6) of the cylinder cover.
10. A cylinder head assembly with cooling and noise reducing functions as claimed in claim 9, wherein: and a cylinder cover sealing gasket (4) is arranged between the lower surface of the cylinder cover (5) and the upper surface of the valve plate assembly (2) in a cushioning manner, and the cylinder cover sealing gasket (4) enables the lower surface of the cylinder cover (5) to be hermetically connected with the upper surface of the valve plate assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053714.3U CN210889274U (en) | 2019-07-08 | 2019-07-08 | Cylinder cover assembly with cooling and noise reduction functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053714.3U CN210889274U (en) | 2019-07-08 | 2019-07-08 | Cylinder cover assembly with cooling and noise reduction functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889274U true CN210889274U (en) | 2020-06-30 |
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ID=71337357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921053714.3U Active CN210889274U (en) | 2019-07-08 | 2019-07-08 | Cylinder cover assembly with cooling and noise reduction functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210889274U (en) |
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2019
- 2019-07-08 CN CN201921053714.3U patent/CN210889274U/en active Active
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