CN210460975U - New forms of energy have oily second grade piston air compressor machine - Google Patents
New forms of energy have oily second grade piston air compressor machine Download PDFInfo
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- CN210460975U CN210460975U CN201921054083.7U CN201921054083U CN210460975U CN 210460975 U CN210460975 U CN 210460975U CN 201921054083 U CN201921054083 U CN 201921054083U CN 210460975 U CN210460975 U CN 210460975U
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Abstract
The utility model discloses a new forms of energy have oily second grade piston air compressor machine, including the two-stage compression cylinder body, set up the motor in two-stage compression cylinder body one side, through the bent axle of coupling joint motor drive axle, rotate the cylinder cap of connecting at bent epaxial two-stage piston link assembly, fixed assembly on the two-stage compression cylinder body, set up at the gear pump subassembly of two-stage compression cylinder body opposite side and the bumper shock absorber of fixed mounting in two-stage compression cylinder body below. The utility model cools the exhaust after the second-stage compression and the intake air after the second-stage compression, has good cooling effect, greatly reduces the load power relative to the first-stage air compressor, and reduces the working energy consumption; the air circuit and the cooling oil circuit are integrally designed on two sides of the cylinder cover, the cooling structure is reasonable, the secondary compression air inlet cooling or secondary compression exhaust cooling oil circuit is simple in arrangement, the oil circuit structure is clear, the size of the whole cylinder is not required to be additionally increased, and the manufacturing and production difficulty and cost are reduced.
Description
Technical Field
The utility model relates to a new forms of energy have oily second grade piston air compressor machine belongs to compressor equipment technical field.
Background
An air compressor, i.e., an air compressor, is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. The piston compressor is a positive displacement compressor, the compression element of which is a piston reciprocating in the cylinder of the piston air compressor. And can be divided into an oil-free air compressor and an engine oil lubrication air compressor according to the lubrication mode.
The oily piston air compressor who uses in current new forms of energy field is the primary air compressor machine mainly, and primary air compressor machine built-in area is big, when reaching required compressed gas pressure, not only the working stroke is long, and the pressure height in the air compressor machine in addition to following problem appears:
the exhaust temperature is high, the lubricating oil generates coking phenomenon at high temperature, moving parts such as an air inlet and outlet valve plate, a piston and the like are bonded and damaged, and the working stability and the service life are influenced;
the air compressor has the advantages that the air compressor has one-stage single-stroke compression, the power consumption is large, namely the input specific power is large, the specific power of the air compressor refers to the energy consumption consumed by compressing a cube of air, generally, the load power is divided by the displacement of the unit, and the larger the specific power is, the larger the energy consumption is, the energy is wasted under the same pressure;
in the working process, the vibration noise generated by the large load power of the primary air compressor is also large, noise pollution is formed, and the hearing health of operators is influenced.
In order to solve the problems, the secondary air compressor is more and more widely applied, and the primary compression rotor and the secondary compression rotor are combined in a shell in the secondary compression. Natural air enters the first stage of compression through an air filter and mixes with a small amount of lubricant in the compression chamber while compressing the mixed gas to an interstage pressure. The cooled compressed gas enters a second-stage rotor, is compressed for the second time to the final exhaust pressure, and is finally discharged out of the compressor through an exhaust flange to complete the whole compression process; and after the first-stage compression is finished, the gas enters the second-stage compression, the compression ratio is high, the power is high, and the compression air compressor is reduced by one gear. According to the engineering thermodynamic theory, the air compressor is compressed at a constant temperature in the compression process to save the most power.
However, the existing secondary air compressor has the following problems: the oil cooling structure is unreasonable, exhaust gas after secondary compression is cooled, and intake air after secondary compression is not cooled, so that the cooling effect is poor, the reduction ratio of the load power of the primary air compressor is low, and the reduction of the working energy consumption is small; part of the cooling system is provided with a first-stage compression air inlet cooling system, a second-stage compression air inlet cooling system or a second-stage compression air outlet cooling system which need a plurality of cooling oil paths to be respectively carried out, so that the problems of complex oil path structure and larger overall size are caused, the manufacturing and production difficulty is increased, and the cost is increased; in addition, the problem of noise of the existing secondary air compressor is not reasonably solved, and equipment is wrapped by a sound-proof housing which is usually added outside the compressor, but the mode does not aim at sound insulation of key positions generated by noise, and a simple wrapping mode is adopted, so that inconvenience is brought to manufacture, and the cooling effect is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a new forms of energy have oily second grade piston air compressor machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a new energy oil-containing two-stage piston type air compressor comprises two-stage compression cylinder bodies, a motor arranged on one side of each two-stage compression cylinder body, a crankshaft connected with a motor driving shaft through a coupling in a transmission manner, a two-stage piston connecting rod assembly rotatably connected to the crankshaft, a cylinder cover fixedly assembled on the two-stage compression cylinder bodies, a gear pump assembly arranged on the other side of each two-stage compression cylinder body and a damper fixedly installed below the two-stage compression cylinder bodies;
a concave-convex partition plate is fixedly arranged in the cylinder cover, a cylinder cover cooling oil cavity is formed by the lower surface of the concave-convex partition plate and the side part of the cylinder cover, and a cylinder cover air cavity is formed by the upper surface of the concave-convex partition plate and the side part of the cylinder cover;
an oil outlet of the gear pump assembly is connected with a cooling oil way and a lubricating oil way, the cooling oil way is communicated with a cylinder cover cooling oil cavity, and the lubricating oil way is communicated with a crankshaft.
As a further improvement of the present invention, the two-stage compression cylinder includes a first-stage compression chamber and a second-stage compression chamber located in the two-stage compression cylinder, and the two-stage piston link assembly includes a first-stage piston link assembly and a second-stage piston link assembly rotatably connected to the crankshaft, respectively;
a piston of the primary piston connecting rod assembly reciprocates in the primary compression cavity to perform primary compression; and a piston of the two-stage piston connecting rod assembly reciprocates in the two-stage compression cavity to perform two-stage compression.
As a further improvement of the utility model, the cylinder cover air cavity comprises a first-stage air suction cavity communicated with an air inlet of a first-stage compression cavity, a first-stage air exhaust cavity communicated with an air outlet of the first-stage compression cavity, a second-stage air suction cavity communicated with an air inlet of a second-stage compression cavity, and a second-stage air exhaust cavity communicated with an air outlet of the second-stage compression cavity;
the primary exhaust cavity is communicated with the secondary air suction cavity after passing through the labyrinth air passage;
and when the gas sequentially passes through the primary air suction cavity, the primary exhaust cavity, the labyrinth air passage, the secondary air suction cavity and the secondary exhaust cavity, the gas exchanges heat with the cooling oil in the cylinder cover cooling oil cavity for cooling.
As a further improvement of the utility model, the cylinder head cooling oil cavity is of a labyrinth structure, and the partition plate is provided with a cylinder head oil inlet hole and a cylinder head oil outlet which are communicated with the cylinder head cooling oil cavity, and a second-stage compression exhaust outlet which is communicated with the second-stage exhaust cavity;
the lower end of the cylinder cover is hermetically connected with an oil inlet valve plate, a valve plate oil way is arranged on the opposite surface of the oil inlet valve plate and the cooling oil cavity of the cylinder cover, and a valve plate oil inlet hole and a valve plate oil outlet hole are formed in the oil inlet valve plate;
the valve plate oil inlet hole is in butt joint with the cylinder cover oil inlet hole, and the valve plate oil outlet hole is in butt joint with the cylinder cover oil outlet.
As a further improvement of the utility model, the device also comprises an oil pool arranged at the lower part of the two-stage compression cylinder body, an oil filter arranged at the side part of the two-stage compression cylinder body and a fan cooler component;
the oil suction port of the gear pump assembly is communicated with the oil pool through an oil suction pipe;
and the oil outlet of the oil filter is communicated with the oil pool.
As a further improvement of the present invention, the cooling oil path includes a cylinder oil inlet pipe having two ends respectively communicating with an oil outlet of the gear pump assembly and an oil inlet of the valve plate, a cylinder cover oil outlet pipe communicating between the oil outlet of the oil inlet valve plate and the fan cooler assembly, and a cooler oil return pipe communicating between the fan cooler assembly and the oil filter;
and cooling oil of the gear pump assembly enters the cylinder cover cooling oil cavity through the cylinder body oil inlet pipe.
As a further improvement, the joint of the oil outlet pipe of the cylinder cover and the oil outlet hole of the oil inlet valve plate is provided with an oil pressure switch.
As a further improvement of the utility model, the upper end of the cylinder cover is connected with an air outlet cover, and an air outlet cover air circuit is arranged on the opposite surface of the air outlet cover and the cylinder cover air cavity;
an exhaust valve plate is arranged between the air outlet cover and a cylinder cover air cavity on the upper layer of the cylinder cover, a compressed air outlet communicated with the cylinder cover air cavity is arranged on the exhaust valve plate, and an air outlet communicated with an air outlet cover air passage and an air inlet communicated with a first-stage air suction cavity are arranged on the air outlet cover.
As a further improvement of the utility model, a pressure valve plate is arranged in a compressed gas outlet on the exhaust valve plate;
the air inlet is connected with an air inlet joint.
As a further improvement of the utility model, the motor driving shaft support device further comprises a middle bracket used for supporting the shaft coupling and the motor driving shaft.
Compared with the prior art, the utility model discloses the beneficial effect who gains as follows:
the utility model cools the exhaust after the second-stage compression and the intake air after the second-stage compression, has good cooling effect, greatly reduces the load power relative to the first-stage air compressor, and reduces the working energy consumption; the gas circuit and the cooling oil circuit are integrally designed on two sides of the cylinder cover, the cooling structure is reasonable, the secondary compression intake cooling and/or secondary compression exhaust cooling oil circuit is simple to arrange, the oil circuit structure is clear, the size of the whole machine is not required to be additionally increased, and the manufacturing and production difficulty and cost are reduced; simultaneously to the key position sound insulation that the noise produced, increased exhaust valve plate and play the gas cap above the cylinder cap for the sound transmission that the valve plate was patted to the exhaust valve plate has more the one deck barrier, does not influence the cooling effect.
Drawings
FIG. 1 is a schematic view of an axial measurement structure in one direction of the present invention;
FIG. 2 is a schematic view of an axial measurement structure in another direction of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
FIG. 4 is a schematic structural view of the cylinder head oil storage tube of the present invention;
FIG. 5 is a schematic diagram of the corresponding position relationship among the air outlet cover, the exhaust valve plate, the cylinder cover and the oil inlet valve plate of the present invention;
FIG. 6 is a schematic structural diagram of the cylinder head air cavity of the present invention;
FIG. 7 is a schematic structural view of a cylinder head cooling oil cavity of the present invention;
FIG. 8 is a schematic cross-sectional view taken along line C of FIG. 7;
FIG. 9 is a schematic structural diagram of the air passage of the air outlet cover of the present invention;
fig. 10 is a schematic structural view of the oil inlet valve plate of the present invention;
FIG. 11 is a schematic flow chart of the gas circuit of the present invention;
fig. 12 is a schematic flow chart of the oil circuit of the present invention.
In the drawings:
the motor comprises a motor 1, a middle bracket 2, a coupler 3, a 4-oil inlet valve plate, a 5-stage piston connecting rod assembly, a 6-gas outlet cover, a 7-gas exhaust valve plate, a 8 cylinder cover, a 9-stage piston connecting rod assembly, a 10-gear pump assembly, a 11 crankshaft, a 12 oil pool, a 13-oil pressure switch, a 14-oil filter, a 15-oil suction pipe, a 16-cylinder-body oil inlet pipe, a 17-cylinder-cover oil outlet pipe, a 18-fan cooler assembly, a 19-cooler oil return pipe, a 20 shock absorber, a 21-gas inlet connector, a 22-gas outlet, a 23-stage compression cavity, a 24-stage compression cavity, a 25-cylinder-cover cooling oil cavity, a 26-cylinder-cover air cavity, a 27-two-stage compression cylinder, a 28-cylinder-cover oil outlet, a 29-oil-valve-plate oil outlet, a 30-valve-plate oil inlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-12, a new energy oil two-stage piston type air compressor comprises a two-stage compression cylinder 27, a motor 1 arranged on one side of the two-stage compression cylinder 27, a crankshaft 11 in transmission connection with a driving shaft of the motor 1 through a coupling 3, a two-stage piston connecting rod assembly rotatably connected to the crankshaft 11, a cylinder cover 8 fixedly assembled on the two-stage compression cylinder 27, a gear pump assembly 10 arranged on the other side of the two-stage compression cylinder 27, and a damper 20 fixedly installed below the two-stage compression cylinder 27;
a concave-convex partition plate is fixedly arranged in the cylinder cover 8, a cylinder cover cooling oil cavity 25 is formed by the lower surface of the concave-convex partition plate and the side part of the cylinder cover 8, and a cylinder cover air cavity 26 is formed by the upper surface of the concave-convex partition plate and the side part of the cylinder cover 8;
an oil outlet of the gear pump assembly 10 is connected with a cooling oil path and a lubricating oil path, the cooling oil path is communicated with a cylinder head cooling oil cavity 25, and the lubricating oil path is communicated with the crankshaft 11.
As a further improvement of the present invention, the two-stage compression cylinder 27 includes a first-stage compression cavity 23 and a second-stage compression cavity 24 located in the two-stage compression cylinder 27, and the two-stage piston link assembly includes a first-stage piston link assembly 5 and a second-stage piston link assembly 9 rotatably connected to the crankshaft 11, respectively;
the piston of the primary piston connecting rod assembly 5 reciprocates in the primary compression cavity 23 to perform primary compression; the piston of the two-stage piston and connecting rod assembly 9 reciprocates in the two-stage compression chamber 24 to perform two-stage compression.
As a further improvement of the present invention, the cylinder head air chamber 26 includes a first suction chamber 32 communicating with the air inlet of the first compression chamber 23, a first exhaust chamber 33 communicating with the air outlet of the first compression chamber 23, a second suction chamber 34 communicating with the air inlet of the second compression chamber 24, and a second exhaust chamber 35 communicating with the air outlet of the second compression chamber 24;
the primary exhaust cavity 33 is communicated with the secondary air suction cavity 34 through a labyrinth air passage;
and the gas exchanges heat with the cooling oil in the cylinder cover cooling oil cavity 25 and is cooled when passing through the primary air suction cavity 32, the primary exhaust cavity 33, the labyrinth air passage, the secondary air suction cavity 34 and the secondary exhaust cavity 35 in sequence.
As a further improvement of the present invention, the cylinder head cooling oil chamber 25 is of a labyrinth structure, and the concave-convex partition plate is provided with a cylinder head oil inlet 37 and a cylinder head oil outlet 28 which are communicated with the cylinder head cooling oil chamber 25, and a second-stage compression exhaust outlet 36 which is communicated with the second-stage exhaust chamber 35;
the lower end of the cylinder cover 8 is hermetically connected with an oil inlet valve plate 4, a valve plate oil path 30 is arranged on the opposite surface of the oil inlet valve plate 4 and the cylinder cover cooling oil cavity 25, and a valve plate oil inlet hole 31 and a valve plate oil outlet hole 29 are arranged on the oil inlet valve plate 4;
the valve plate oil inlet hole 31 is in butt joint with the cylinder cover oil inlet hole 37, and the valve plate oil outlet hole 29 is in butt joint with the cylinder cover oil outlet 28.
As a further improvement of the present invention, the present invention further comprises an oil sump 12 disposed at the lower portion of the two-stage compression cylinder 27, an oil filter 14 disposed at the side portion of the two-stage compression cylinder 27, and a fan cooler assembly 18;
an oil suction port of the gear pump assembly 10 is communicated with the oil pool 12 through an oil suction pipe 15;
the oil outlet of the oil filter 14 is communicated with the oil pool 12.
As a further improvement of the present invention, the cooling oil path includes a cylinder oil inlet pipe 16 having two ends respectively communicating with an oil outlet of the gear pump assembly 10 and an oil inlet of the valve plate 31, a cylinder cover oil outlet pipe 17 communicating between the oil inlet valve plate oil outlet 29 and the fan cooler assembly 18, and a cooler oil return pipe 19 communicating between the fan cooler assembly 18 and the oil filter 14;
the cooling oil of the gear pump assembly 10 enters the cylinder head cooling oil cavity 25 through the cylinder body oil inlet pipe 16.
As a further improvement of the utility model, the cylinder cover oil outlet pipe 17 and the oil inlet valve plate oil outlet 29 junction are provided with the oil pressure switch 13.
As a further improvement of the present invention, the upper end of the cylinder cover 8 is connected with an air outlet cover 6, and an air outlet cover air passage 38 is arranged on the opposite surface of the air outlet cover 6 and the cylinder cover air cavity 26;
an exhaust valve plate 7 is arranged between the air outlet cover 6 and a cylinder cover air cavity 26 on the upper layer of the cylinder cover 8, a compressed air outlet communicated with the cylinder cover air cavity 26 is arranged on the exhaust valve plate 7, and an air outlet 22 communicated with an air outlet cover air channel 38 and an air inlet communicated with a primary air suction cavity 32 are arranged on the air outlet cover 6.
As a further improvement of the utility model, a pressure valve plate is arranged in a compressed gas outlet on the exhaust valve plate 7;
the air inlet is connected with an air inlet joint 21.
As a further improvement of the utility model, the motor driving device also comprises a middle bracket 2 used for supporting the shaft coupling 3 and the motor driving shaft.
The working process of the utility model is as follows: after the driving motor is started, the crankshaft of the air compressor is driven to rotate through the coupler, and the crankshaft is converted into a piston to reciprocate in the cylinder through the crank-connecting rod mechanism. The outside air enters the first-stage cylinder through the filter by opening the first-stage suction valve plate, the piston is pushed to move from the cover side to the shaft side, the volume of the cylinder is increased, after the air reaches the lower dead point, the piston moves from the shaft side to the cover side, the first-stage suction valve plate is closed, the volume of the cylinder is gradually reduced, the air in the cylinder is compressed, the pressure is increased, when the pressure reaches a certain value, the first-stage exhaust valve plate is jacked open, the compressed air is discharged, the second-stage suction valve plates are opened sequentially through the middle cooling cavity and enter the second-stage cylinder, when the second-stage piston is pushed to move from the cover side to the shaft side, the volume of the cylinder is increased, after the piston reaches the bottom dead center, the secondary piston also changes the movement direction from the shaft side to the cover side, the secondary air suction valve plate is closed, the volume of the cylinder is gradually reduced, the air in the cylinder is compressed, the pressure is increased, when the pressure reaches a certain value, the secondary exhaust valve plate is pushed open, and finally the required compressed air is discharged into an air storage tank of a user through an air outlet cover with a labyrinth structure. The air compressor works repeatedly, and compressed air is continuously conveyed into the air storage tank, so that the pressure in the tank is gradually increased, and required compressed air is obtained.
The high pressure ratio of 1:10 is divided into 2 pressure ratio stages of 1:4.5 and 4.5:10 respectively, meanwhile, the gas is subjected to intermediate cooling before entering the secondary compression, and the gas after the secondary compression is discharged after being subjected to labyrinth cooling and finally reaches a gas storage tank of a user. Thereby reducing the exhaust temperature and reducing power consumption.
The utility model cools the exhaust after the second-stage compression and the intake air after the second-stage compression, has good cooling effect, greatly reduces the load power relative to the first-stage air compressor, and reduces the working energy consumption; the gas circuit and the cooling oil circuit are integrally designed on two sides of the cylinder cover, the cooling structure is reasonable, the secondary compression intake cooling or secondary compression exhaust cooling oil circuit is simple in arrangement, the oil circuit structure is clear, the overall size does not need to be additionally increased, and the manufacturing and production difficulty and cost are reduced; simultaneously to the key position sound insulation that the noise produced, increased exhaust valve plate and play the air cap above the cylinder cap for the sound transmission that the valve plate was patted to the exhaust valve plate has more the one deck barrier, has both reduced the noise, does not influence the cooling effect yet.
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 new forms of energy has oily second grade piston air compressor machine which characterized in that: the two-stage compression engine comprises a two-stage compression cylinder body (27), a motor (1) arranged on one side of the two-stage compression cylinder body (27), a crankshaft (11) in transmission connection with a driving shaft of the motor (1) through a coupler (3), a two-stage piston connecting rod assembly rotationally connected to the crankshaft (11), a cylinder cover (8) fixedly assembled on the two-stage compression cylinder body (27), a gear pump assembly (10) arranged on the other side of the two-stage compression cylinder body (27) and a shock absorber (20) fixedly arranged below the two-stage compression cylinder body (27);
a concave-convex clapboard is fixedly arranged in the cylinder cover (8), a cylinder cover cooling oil cavity (25) is formed by the lower surface of the concave-convex clapboard and the side part of the cylinder cover (8), and a cylinder cover air cavity (26) is formed by the upper surface of the concave-convex clapboard and the side part of the cylinder cover (8);
an oil outlet of the gear pump assembly (10) is connected with a cooling oil path and a lubricating oil path, the cooling oil path is communicated with a cylinder cover cooling oil cavity (25), and the lubricating oil path is communicated with a crankshaft (11).
2. The new energy oil two-stage piston type air compressor as claimed in claim 1, wherein: the two-stage compression cylinder body (27) comprises a first-stage compression cavity (23) and a second-stage compression cavity (24) which are positioned in the two-stage compression cylinder body (27), and the two-stage piston connecting rod assembly comprises a first-stage piston connecting rod assembly (5) and a second-stage piston connecting rod assembly (9) which are respectively and rotatably connected to the crankshaft (11);
the piston of the primary piston connecting rod assembly (5) reciprocates in the primary compression cavity (23) to perform primary compression; the piston of the two-stage piston connecting rod assembly (9) reciprocates in a two-stage compression cavity (24) to perform two-stage compression.
3. The new energy oil two-stage piston type air compressor as claimed in claim 2, wherein: the cylinder cover air cavity (26) comprises a first-stage air suction cavity (32) communicated with an air inlet of the first-stage compression cavity (23), a first-stage exhaust cavity (33) communicated with an air outlet of the first-stage compression cavity (23), a second-stage air suction cavity (34) communicated with an air inlet of the second-stage compression cavity (24), and a second-stage exhaust cavity (35) communicated with an air outlet of the second-stage compression cavity (24);
the primary exhaust cavity (33) is communicated with the secondary suction cavity (34) through a labyrinth air passage;
and when the gas sequentially passes through the primary air suction cavity (32), the primary exhaust cavity (33), the labyrinth air passage, the secondary air suction cavity (34) and the secondary exhaust cavity (35), the gas exchanges heat with the cooling oil in the cylinder cover cooling oil cavity (25) for cooling.
4. The new energy oil two-stage piston type air compressor as claimed in claim 1, wherein: the cylinder cover cooling oil cavity (25) is of a labyrinth structure, and a cylinder cover oil inlet hole (37) and a cylinder cover oil outlet (28) which are communicated with the cylinder cover cooling oil cavity (25) and a secondary compression exhaust outlet (36) which is communicated with the secondary exhaust cavity (35) are formed in the concave-convex partition plate;
the lower end of the cylinder cover (8) is hermetically connected with an oil inlet valve plate (4), a valve plate oil way (30) is arranged on the opposite surface of the oil inlet valve plate (4) and the cylinder cover cooling oil cavity (25), and a valve plate oil inlet hole (31) and a valve plate oil outlet hole (29) are formed in the oil inlet valve plate (4);
the valve plate oil inlet hole (31) is in butt joint with a cylinder cover oil inlet hole (37), and the valve plate oil outlet hole (29) is in butt joint with a cylinder cover oil outlet (28).
5. The new energy oil two-stage piston type air compressor as claimed in claim 4, wherein: the oil filter further comprises an oil pool (12) arranged at the lower part of the two-stage compression cylinder body (27), an oil filter (14) arranged at the side part of the two-stage compression cylinder body (27) and a fan cooler assembly (18);
the oil suction port of the gear pump assembly (10) is communicated with the oil pool (12) through an oil suction pipe (15);
the oil outlet of the oil filter (14) is communicated with the oil pool (12).
6. The new energy oil two-stage piston type air compressor as claimed in claim 5, wherein:
the cooling oil path comprises a cylinder body oil inlet pipe (16) with two ends respectively communicated with an oil outlet of the gear pump assembly (10) and a valve plate oil inlet hole (31), a cylinder cover oil outlet pipe (17) communicated between the oil inlet valve plate oil outlet hole (29) and the fan cooler assembly (18), and a cooler oil return pipe (19) communicated between the fan cooler assembly (18) and the oil filter (14);
and cooling oil of the gear pump assembly (10) enters a cylinder cover cooling oil cavity (25) through a cylinder body oil inlet pipe (16).
7. The new energy oil two-stage piston type air compressor as claimed in claim 6, wherein: an oil pressure switch (13) is arranged at the joint of the cylinder cover oil outlet pipe (17) and the oil inlet valve plate oil outlet hole (29).
8. The new energy oil two-stage piston type air compressor as claimed in claim 3, wherein: the upper end of the cylinder cover (8) is connected with an air outlet cover (6), and an air outlet cover air passage (38) is arranged on the opposite surface of the air outlet cover (6) and the cylinder cover air cavity (26);
an exhaust valve plate (7) is arranged between the air outlet cover (6) and a cylinder cover air cavity (26) on the upper layer of the cylinder cover (8), a compressed air outlet communicated with the cylinder cover air cavity (26) is formed in the exhaust valve plate (7), an air outlet (22) communicated with an air outlet cover air passage (38) and an air inlet communicated with a first-stage air suction cavity (32) are formed in the air outlet cover (6).
9. The new energy oil two-stage piston type air compressor as claimed in claim 8, wherein: a pressure valve plate is arranged in a compressed air outlet on the exhaust valve plate (7);
the air inlet is connected with an air inlet joint (21).
10. The new energy oil two-stage piston type air compressor as claimed in any one of claims 1-9, wherein: the motor driving shaft support device also comprises a middle bracket (2) used for supporting the coupler (3) and the motor driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054083.7U CN210460975U (en) | 2019-07-08 | 2019-07-08 | New forms of energy have oily second grade piston air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054083.7U CN210460975U (en) | 2019-07-08 | 2019-07-08 | New forms of energy have oily second grade piston air compressor machine |
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| Publication Number | Publication Date |
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| CN210460975U true CN210460975U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054083.7U Active CN210460975U (en) | 2019-07-08 | 2019-07-08 | New forms of energy have oily second grade piston air compressor machine |
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| CN (1) | CN210460975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242534A (en) * | 2019-07-08 | 2019-09-17 | 耐力股份有限公司 | A kind of new energy has oily stage piston-type air compressor machine |
| CN116538047A (en) * | 2023-06-29 | 2023-08-04 | 耐力股份有限公司 | Oil-air compressor |
-
2019
- 2019-07-08 CN CN201921054083.7U patent/CN210460975U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242534A (en) * | 2019-07-08 | 2019-09-17 | 耐力股份有限公司 | A kind of new energy has oily stage piston-type air compressor machine |
| CN110242534B (en) * | 2019-07-08 | 2024-01-26 | 耐力股份有限公司 | New energy oil-containing two-stage piston air compressor |
| CN116538047A (en) * | 2023-06-29 | 2023-08-04 | 耐力股份有限公司 | Oil-air compressor |
| CN116538047B (en) * | 2023-06-29 | 2023-09-05 | 耐力股份有限公司 | Oil-air compressor |
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