CN221299397U - Novel oil-free compressor with dustproof function - Google Patents
Novel oil-free compressor with dustproof function Download PDFInfo
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- CN221299397U CN221299397U CN202322944996.9U CN202322944996U CN221299397U CN 221299397 U CN221299397 U CN 221299397U CN 202322944996 U CN202322944996 U CN 202322944996U CN 221299397 U CN221299397 U CN 221299397U
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- sealing plate
- crankshaft
- sealing
- box body
- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 81
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a novel oil-free compressor with a dustproof function, which comprises a rare earth permanent magnet direct current motor, wherein the rare earth permanent magnet direct current motor is fixedly connected with a box body, an output shaft of the rare earth permanent magnet direct current motor extends into the box body, and the output shaft of the rare earth permanent magnet direct current motor is connected with a crankshaft; the crankshaft is connected with the fan blade through a crankshaft-male part; a boss is arranged between the fan blade and the crankshaft, a sealing plate is arranged on the boss, and the sealing plate is respectively connected with a sealing plate pressing plate, a sealing plate sealing ring, a sealing bearing and the crankshaft in a male mode. The mechanism adopts a split structure, and the fan blade and the internal cylinder body of the compressor are sealed by the sealing plate, the sealing plate pressing plate, the sealing bearing and the sealing plate sealing ring, so that gravel dust can be effectively blocked from entering the compressor, the internal cylinder body of the compressor is effectively protected, the service life of the compressor is greatly prolonged, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to an oil-free compressor, in particular to a novel sealed dust-proof oil-free compressor. The utility model is suitable for high-speed electric locomotives, and can also be used for subways and inter-city trains.
Background
Railways serve as national important infrastructure, national economy development arteries and popular transportation means, and play a role in modern logistics systems. The development of high-speed railway construction and high-speed heavy-load high-power alternating-current electric locomotives is the key point of railway modernization development, the high-speed railway construction in China is rapidly developed in recent years, and the high-speed railway construction is the global first with high-speed railway mileage jump in the world.
At present, a traditional heat dissipation structure is generally adopted by a compressor used on a domestic direct current transmission electric locomotive, the heat dissipation effect is relatively poor, the exhaust capacity of the compressor is small, the compressor has no dustproof function, and the use requirement under a severe environment cannot be met. For this reason we disclose a lightweight integrated compressor package.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model designs and develops a novel sealed dustproof oil-free compressor, further realizes better sealing effect by improving the sealing structure and adopting the sealing bearing and the sealing ring, solves the problems in the prior art,
The utility model is realized in the following way:
The novel oil-free compressor with the dustproof function is characterized by comprising a rare earth permanent magnet direct current motor (1), wherein the rare earth permanent magnet direct current motor (1) is fixedly connected with a box body (2), an output shaft of the rare earth permanent magnet direct current motor (1) stretches into the box body, and a crankshaft (3), a sealing plate (5), a sealing plate pressing plate (7), fan blades (9) and a crankshaft-male (10) are arranged in the box body (2);
The output shaft of the rare earth permanent magnet direct current motor (1) is connected with the crankshaft (3) in the box body (2); the crankshaft (3) is connected to the fan blade (9) through a crankshaft-male (10); the box body (2) is provided with a boss between the fan blade (9) and the crankshaft (3), the boss is provided with a sealing plate (5), and the sealing plate (5) is respectively connected with a sealing plate pressing plate (7), a sealing plate sealing ring (5), a sealing bearing (8) and a crankshaft-male (10).
The box body (2) external connection in outer cylinder (11), outer cylinder (11) in be equipped with cylinder (13), cylinder (13) in set up connecting rod (4), the one end cover of connecting rod (4) has the piston ring, the connecting rod other end stretch into box (2) inside, be connected with bent axle (3).
Further, a sealing plate sealing ring (6) is arranged between the sealing plate (5) and the sealing plate pressing plate (7), and the sealing plate sealing ring (6) is tightly attached to the inner side of the box body (2) to ensure that the periphery of the sealing plate (5) is sealed.
Furthermore, a sealing bearing (8) is adopted between the sealing plate (5) and the crankshaft-male (10) for connection, so that the integral sealing of the box body is ensured.
Further, the box body (2), the outer cylinder body (11) and the cylinder cover (14) on the outer cylinder body (11) are wrapped by the air guide cover (16), the box body (2) is at the bottommost part, the outer cylinder body (11) is in the middle, and the cylinder cover (14) is at the uppermost part; the box body (2), the outer cylinder body (11) and the cylinder cover (14) are all provided with radiating fins; the cylinder cover (14) is connected with an air filter (15).
Further, a piston ring (18) is arranged on the connecting rod (4), a piston ring pressing plate (17) is arranged on the piston ring (18), the piston ring (18) is an oil-free cup type piston ring, and polytetrafluoroethylene is filled on the surface of the piston ring.
Furthermore, the fan blade (9) adopts a cylindrical fan blade, and the oil-free compressor has a single-cylinder structure.
Further, an air cylinder mounting ring seat is arranged in the outer cylinder body (11), and an air cylinder (13) is mounted on the air cylinder mounting ring seat; the top of the outer cylinder body (11) is provided with a valve plate, and the valve plate is provided with an air inlet valve and an air outlet valve respectively.
Further, the crankshaft (3) adopts an eccentric block structure and is directly sleeved on the motor output shaft of the rare earth permanent magnet direct current motor (2).
Compared with the prior art, the utility model has the beneficial effects that:
The integrated compressor unit for the rolling stock has small volume, high integration level and good reliability, adopts a split structure, seals the blades and the internal cylinder body of the compressor by using the sealing plate, the sealing plate pressing plate, the sealing bearing and the sealing plate sealing ring, can effectively prevent gravel dust from entering the compressor, effectively protects the internal cylinder body of the compressor, greatly prolongs the service life of the compressor and reduces maintenance cost.
The cooling air generated by the fan blades in the working process of the structure of the utility model discharges the heat generated by the air cylinder in the working process through the heat radiation channel, and the heat radiation fins on the box body, the outer cylinder body and the cylinder cover realize rapid heat radiation, thereby realizing rapid heat conduction of the air cylinder, avoiding the reduction of working efficiency caused by overhigh working temperature of the air cylinder and improving the air displacement of the compressor.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an integrated compressor unit of the present utility model;
FIG. 2 is a schematic view of a seal plate portion of an integrated compressor unit according to the present utility model;
FIG. 3 is a schematic view of a seal bearing of an integrated compressor unit according to the present utility model;
The device comprises a 1-rare earth permanent magnet direct current motor, a 2-box body, a 3-crankshaft, a 4-connecting rod, a 5-sealing plate, a 6-sealing plate sealing ring, a 7-sealing plate pressing plate, an 8-sealing bearing, 9-fan blades, a 10-crankshaft-male, an 11-outer cylinder body, a 12-valve plate, a 13-cylinder, a 14-cylinder cover, a 15-air filter, a 16-air guide cover, a 17-piston ring pressing plate, 18-piston rings and 19-elastic check rings.
Description of the embodiments
The present utility model will be described in further detail with reference to the following examples, for the purpose of making the objects, technical solutions, and effects of the present utility model more apparent. It should be noted that the detailed description herein is for purposes of illustration only and is not intended to limit the utility model.
As shown in fig. 1-3, the novel sealed dust-proof oil-free compressor comprises a rare earth permanent magnet direct current motor 1, a box body 2, a crankshaft 3, a connecting rod 4, a sealing plate 5, a sealing plate sealing ring 6, a sealing plate pressing plate 7, a sealing bearing 8, a fan blade 9, a crankshaft-male 10, an outer cylinder 11, a valve plate 12, a cylinder 13, a cylinder cover 14, an air filter 15, a wind scooper 16, a piston ring pressing plate 17, a piston ring 18 and a circlip 19. The output shaft of the rare earth permanent magnet direct current motor 1 extends into the box body 2, and is connected with the crankshaft 3 in the box body 2; the crankshaft 3 is connected with the fan blade 9 through a crankshaft-pin 10, and the fan blade 9 is arranged in the box body 2; the box body 2 is provided with a boss between the fan blade 9 and the crankshaft 3, the boss is provided with a sealing plate 5, a sealing plate sealing ring 6 is arranged between the sealing plate 5 and a sealing plate pressing plate 7, and the sealing plate sealing ring 6 is tightly attached to the inner side of the box body to ensure the sealing around the sealing plate 5; the sealing plate 5 is connected with the crankshaft-male 10 by adopting a sealing bearing 8, and the elastic retainer ring 19 enables the sealing bearing 8 to be fixed in a mounting groove of the sealing plate 5, so that the integral sealing of the box body is ensured.
The outside of the box body 2 is connected with an outer cylinder body 11, an air cylinder 13 is arranged in the outer cylinder body 11, a connecting rod 4 is arranged in the air cylinder 13, a piston ring is sleeved at one end of the connecting rod 4, and the other end of the connecting rod extends into the box body and is connected with a crankshaft 3; utilize the wind scooper parcel box, outer cylinder body and cylinder cap, the box in the bottom, outer cylinder body is in the centre, the cylinder cap is at the top.
The fan blade 9 is a cylindrical fan blade; the oil-free compressor is of a single-cylinder structure. The cylinder mounting ring seat is arranged in the outer cylinder body, and the cylinder is mounted on the cylinder mounting ring seat. The piston ring 18 is an oilless cup piston ring, and the surface of the piston ring is filled with polytetrafluoroethylene. The crankshaft adopts an eccentric block structure and is directly sleeved on the motor output shaft of the rare earth permanent magnet direct current motor. The top of the outer cylinder body is provided with a valve plate 12, and an air inlet valve and an air outlet valve are respectively arranged on the valve plate. The box body 2, the outer cylinder body 11 and the cylinder cover 14 are all provided with radiating fins; the cylinder head 14 is in turn connected to an air filter 15.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (8)
1. The novel oil-free compressor with the dustproof function is characterized by comprising a rare earth permanent magnet direct current motor (1), wherein the rare earth permanent magnet direct current motor (1) is fixedly connected with a box body (2), an output shaft of the rare earth permanent magnet direct current motor (1) stretches into the box body, and a crankshaft (3), a sealing plate (5), a sealing plate pressing plate (7), fan blades (9) and a crankshaft-male (10) are arranged in the box body (2);
An output shaft of the rare earth permanent magnet direct current motor (1) is connected with the crankshaft (3) in the box body (2); the crankshaft (3) is connected to the fan blade (9) through a crankshaft-male (10); the box body (2) is provided with a boss between the fan blade (9) and the crankshaft (3), the boss is provided with a sealing plate (5), and the sealing plate (5) is respectively connected with a sealing plate pressing plate (7), the crankshaft-male (10) and a sealing bearing (8); the box body (2) external connection in outer cylinder (11), outer cylinder (11) in be equipped with cylinder (13), cylinder (13) in set up connecting rod (4), the one end cover of connecting rod (4) has the piston ring, the connecting rod other end stretch into box (2) inside, be connected with bent axle (3).
2. The novel oil-free compressor with the dustproof function according to claim 1, wherein a sealing plate sealing ring (6) is arranged between the sealing plate (5) and the sealing plate pressing plate (7), and the sealing plate sealing ring (6) is tightly attached to the inner side of the box body (2) to ensure that the periphery of the sealing plate (5) is sealed.
3. The novel oil-free compressor with the dustproof function according to claim 1, wherein the sealing plate (5) is connected with the crankshaft-male (10) through a sealing bearing (8), the integral sealing of the box body is guaranteed, an elastic retainer ring (19) is further arranged on the sealing plate (5), and the elastic retainer ring (19) enables the sealing bearing (8) to be fixed in a mounting groove of the sealing plate (5).
4. The novel oil-free compressor with the dustproof function according to claim 1, wherein the box body (2), the outer cylinder body (11) and the cylinder cover (14) on the outer cylinder body (11) are wrapped by the air guide cover (16), the box body (2) is at the bottommost part, the outer cylinder body (11) is in the middle, and the cylinder cover (14) is at the uppermost part; the box body (2), the outer cylinder body (11) and the cylinder cover (14) are all provided with radiating fins; the cylinder cover (14) is connected with an air filter (15).
5. The novel oil-free compressor with the dustproof function according to claim 4, wherein a piston ring (18) is arranged on the connecting rod (4), a piston ring pressing plate (17) is arranged on the piston ring (18), the piston ring (18) is an oil-free cup type piston ring, and polytetrafluoroethylene is filled on the surface of the piston ring.
6. The novel oil-free compressor with the dustproof function according to claim 1, wherein the fan blade (9) adopts a cylindrical fan blade, and the oil-free compressor is of a single-cylinder structure.
7. The novel oil-free compressor with the dustproof function according to claim 1, wherein a cylinder mounting ring seat is arranged in the outer cylinder body (11), and a cylinder (13) is arranged on the cylinder mounting ring seat; a valve plate (12) is arranged at the top of the outer cylinder body (11), and an air inlet valve and an air outlet valve are respectively arranged on the valve plate.
8. The novel oil-free compressor with the dustproof function according to claim 1, wherein the crankshaft (3) adopts an eccentric block structure and is directly sleeved on a motor output shaft of the rare earth permanent magnet direct current motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322944996.9U CN221299397U (en) | 2023-11-01 | 2023-11-01 | Novel oil-free compressor with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322944996.9U CN221299397U (en) | 2023-11-01 | 2023-11-01 | Novel oil-free compressor with dustproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299397U true CN221299397U (en) | 2024-07-09 |
Family
ID=91739763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322944996.9U Active CN221299397U (en) | 2023-11-01 | 2023-11-01 | Novel oil-free compressor with dustproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299397U (en) |
-
2023
- 2023-11-01 CN CN202322944996.9U patent/CN221299397U/en active Active
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