CN203374444U - Micro full oil-free lubrication reciprocating air compressor for bullet train - Google Patents
Micro full oil-free lubrication reciprocating air compressor for bullet train Download PDFInfo
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- CN203374444U CN203374444U CN201320399117.2U CN201320399117U CN203374444U CN 203374444 U CN203374444 U CN 203374444U CN 201320399117 U CN201320399117 U CN 201320399117U CN 203374444 U CN203374444 U CN 203374444U
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- bent axle
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- 238000005461 lubrication Methods 0.000 title claims abstract description 28
- 210000000707 wrist Anatomy 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 6
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model provides a micro full oil-free lubrication reciprocating air compressor for a bullet train. The micro full oil-free lubrication reciprocating air compressor for the bullet train comprises a connection rod, a crank shaft fixed in a crank shaft box, a motor, an air cylinder, a piston and a piston pin. The motor and the air cylinder are fixedly connected with the crank shaft box and the piston and the piston pin are arranged in the air cylinder. The crank shaft is a split crank shaft which is fixedly connected with the motor. According to the micro full oil-free lubrication reciprocating air compressor, the manner of directly connecting the split crank shaft and the motor is adopted, parts such as a coupler are removed, the structure of a machine is simplified, the weight of the machine is reduced, the structure is simple and compact, the size is small, the number of parts is small, the manufacturing cost is low, and the requirement for meeting application of the bullet train is met.
Description
Technical field
The utility model relates to the air compressor technical field, specifically miniature no oil lubrication type reciprocating piston formula air compressor for a kind of motor-car.
Background technique
Along with the implementation of railway traffic " great-leap-forward development " strategy, the vehicle that mains electricity locomotive, internal combustion locomotive, subway light rail etc. move at a high speed becomes the main force of communications and transportation.Air compressor is a kind of necessary equipment of the normal operation of these vehicles, for locomotive provides clean and stable pressurized air, as the driving force of actuator.
Express locomotive is because environment is changeable, and the operating conditions of compressor is very complicated, and the material of compressor, boundary dimension, weight etc. are all had higher requirements.Existing air compressor structure pattern is varied, common are helical-lobe compressor, oil lubrication piston compressor, diaphragm type compressor, electromagnetic compressor etc. are arranged, concerning motor-car, these compressors or complex structure, volume is excessive, the compressed air quality provided is bad, all can not meet the requirement of motor-car application.
The model utility content
The purpose of this utility model be to provide a kind of simple in structure, volume is little, lightweight, efficiency is high, miniature no oil lubrication type reciprocating piston formula air compressor for the colory motor-car of pressurized air.
The technical solution of the utility model is:
Miniature no oil lubrication type reciprocating piston formula air compressor for a kind of motor-car, comprise connecting rod, be fixed on the bent axle of crankcase inside, the motor be fixedly connected with crankcase and cylinder, be arranged on piston and the wrist pin of cylinder interior, described bent axle is selected split type bent axle, and described split type bent axle is fixedly connected with motor.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, described split type bent axle is connected by flat key with motor, and an end of split type bent axle is provided with the endoporus be complementary with motor output shaft.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, described connecting rod, cylinder, piston and wrist pin are respectively equipped with two covers and are symmetrically arranged.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, the connnecting rod big end end is fixed on split type bent axle by spacer ring, and the connecting rod small end end is connected with piston by wrist pin.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, crankshaft two end and connnecting rod big end end adopt the sealed type deep groove ball bearing, and the connecting rod small end end adopts needle bearing, and described needle bearing both ends of the surface are equipped with seal ring.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, described piston comprises upper piston and lower piston, between described upper piston and lower piston, by bolt and pad, is fixedly connected with.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, be equipped with piston ring and guide ring on described upper piston and lower piston, be provided with the O RunddichtringO between described upper piston and lower piston.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, described piston ring and guide ring are selected respectively teflon piston ring and polytetrafluorethyleguide guide ring.
Miniature no oil lubrication type reciprocating piston formula air compressor for described motor-car, described wrist pin is hollow structure.
The utility model adopts split type bent axle and the direct-connected mode of motor, has saved the parts such as coupling, has simplified machine construction, has alleviated machine weight, and simple and compact for structure, volume is little, and part is few, low cost of manufacture; Adopt twin-tub interlock mode, the machine run balance, vibrate little, noise is low, high working efficiency; Bearing adopts seal gease lubricated, adopts piston ring and the guide ring with self-lubricating function between cylinder piston, completely without the oiling design, has guaranteed compressed-air actuated quality.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
As shown in Figure 1, miniature no oil lubrication type reciprocating piston formula air compressor for a kind of motor-car, comprise direct current motor 1, crankcase 2, split type bent axle 3, parallel key 4, bent axle connection bearing 5, crankshaft main bearing 6, equilibrium block 7, spacer ring 8, connecting rod 9, connnecting rod big end step bearing 10, connecting rod small end step bearing 11, cylinder 12, upper piston 13, lower piston 14, wrist pin 15, piston ring 16, guide ring 17, air-valve assembly 18, cylinder head 19, end cap 20 and flywheel 21 etc.; Connecting rod 9, connnecting rod big end step bearing 10, connecting rod small end step bearing 11, cylinder 12, upper piston 13, lower piston 14, wrist pin 15, air-valve assembly 18 and cylinder head 19 respectively have two covers and are symmetrically arranged.
Direct current motor 1 all is fixedly connected with crankcase 2 with cylinder 12; Be provided with split type bent axle 3 and equilibrium block 7 in crankcase 2, equilibrium block 7 is fixedly connected with split type bent axle 3; One end of split type bent axle 3 is provided with the endoporus that the output shaft with direct current motor 1 is complementary, and direct current motor 1 is connected by parallel key 4 with split type bent axle 3; Bent axle connection bearing 5 adopts the sealed type deep groove ball bearing, and its outer ring is fixedly connected with direct current motor 1, and inner ring is fixedly connected with split type bent axle 3; Crankshaft main bearing 6 adopts the sealed type deep groove ball bearing, and its outer ring is fixedly connected with crankcase 2, and inner ring is fixedly connected with split type bent axle 3; End cap 20 is fixedly connected on crankcase 2, and for limiting split type bent axle 3 in the interior left and right of crankcase 2 vibration, flywheel 21 is arranged on the tail end of direct current motor 1, for energy storage, and the output power of balance direct current motor.
Be provided with spacer ring 8 on split type bent axle 3 and in a side of connnecting rod big end step bearing 10, the stub end of connecting rod 9 is fixedly connected on split type bent axle 3 by spacer ring 8; The little head end of connecting rod 9 is connected with lower piston 14 by wrist pin 15; Between lower piston 14 and upper piston 13, by bolt and pad, be fixedly connected with; Be equipped with piston ring 16 and guide ring 17 on upper piston 13 and lower piston 14, be provided with " O " RunddichtringO between upper piston 13 and lower piston 14, piston ring 16 and guide ring 17 are selected respectively teflon piston ring and the polytetrafluorethyleguide guide ring with self-lubricating function; Wrist pin 15 adopts hollow structure, inner repack with grease is also blocked with plug, offer the aperture communicated with connecting rod small end step bearing 11 on wrist pin 15, in machine operation procedure, it is lubricated to maintain it that the lubricating grease in wrist pin 15 can flow to connecting rod small end step bearing 11 by aperture; Connnecting rod big end step bearing 10 adopts the sealed type deep groove ball bearing, and its outer ring is fixedly connected with connecting rod 9, and inner ring is fixedly connected with split type bent axle 3; Connecting rod small end step bearing 11 adopts needle bearing, and its outer ring is fixedly connected with lower piston 14, and inner ring is fixedly connected with wrist pin 15, and the needle bearing both ends of the surface are equipped with seal ring; Air-valve assembly 18 is arranged on the upper-end surface of cylinder 12, and cylinder head 19 is arranged on air-valve assembly 18.
Working principle of the present utility model:
Air is after preposition filter and sound damper filters, the air-breathing valve port of the suction port on the cylinder head of flowing through 19 and air-valve assembly 18 enters cylinder 12, direct current motor 1 drives split type bent axle 3 and rotates while rotating, rotation along with split type bent axle 3, the connecting rod 9 be fixed on split type bent axle 3 is converted into upper piston 13 and lower piston 14 pumping in cylinder 12 by rotatablely moving of direct current motor 1, thereby the air that will suck in cylinder 12 extrudes cylinder through the exhaust valve port of air-valve assembly 18, completes the compression to air, owing in crankcase 2, there is no lubricant oil, the bent axle connection bearing 5 at split type bent axle 3 two ends and crankshaft main bearing 6 and connnecting rod big end step bearing 10 all adopt the sealed type deep groove ball bearing, in machine operation procedure, above-mentioned bearing can remain lubricated by self internal grease, connecting rod small end step bearing 11 adopts needle bearing, its both ends of the surface are equipped with seal ring, in machine operation procedure, can remain lubricated by the grease of wrist pin 15 internal reservoir, like this, all bearings are all grease lubrications, and sealing fully, grease can not leak, in addition, the motion Sealings such as piston ring 16 and guide ring 17 all adopt the self lubricating material manufacture, therefore, do not contain lubricant oil in the pressurized air of discharging, guaranteed compressed-air actuated quality.
The above mode of execution is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (9)
1. a miniature no oil lubrication type reciprocating piston formula air compressor for motor-car, comprise connecting rod, be fixed on the bent axle of crankcase inside, the motor be fixedly connected with crankcase and cylinder, be arranged on piston and the wrist pin of cylinder interior, it is characterized in that: described bent axle is selected split type bent axle, and described split type bent axle is fixedly connected with motor.
2. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: described split type bent axle is fixedly connected with by flat key with motor, and an end of split type bent axle is provided with the endoporus be complementary with motor output shaft.
3. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: described connecting rod, cylinder, piston and wrist pin are respectively equipped with two covers and are symmetrically arranged.
4. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: the connnecting rod big end end is fixed on split type bent axle by spacer ring, and the connecting rod small end end is connected with piston by wrist pin.
5. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: crankshaft two end and connnecting rod big end end adopt the sealed type deep groove ball bearing, the connecting rod small end end adopts needle bearing, and described needle bearing both ends of the surface are equipped with seal ring.
6. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: described piston comprises upper piston and lower piston, between described upper piston and lower piston, by bolt and pad, is fixedly connected with.
7. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 6, is characterized in that: be equipped with piston ring and guide ring on described upper piston and lower piston, be provided with the O RunddichtringO between described upper piston and lower piston.
8. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 7, it is characterized in that: described piston ring and guide ring are selected respectively teflon piston ring and polytetrafluorethyleguide guide ring.
9. miniature no oil lubrication type reciprocating piston formula air compressor for motor-car according to claim 1, it is characterized in that: described wrist pin is hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320399117.2U CN203374444U (en) | 2013-07-05 | 2013-07-05 | Micro full oil-free lubrication reciprocating air compressor for bullet train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320399117.2U CN203374444U (en) | 2013-07-05 | 2013-07-05 | Micro full oil-free lubrication reciprocating air compressor for bullet train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374444U true CN203374444U (en) | 2014-01-01 |
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ID=49836974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320399117.2U Expired - Fee Related CN203374444U (en) | 2013-07-05 | 2013-07-05 | Micro full oil-free lubrication reciprocating air compressor for bullet train |
Country Status (1)
| Country | Link |
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| CN (1) | CN203374444U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715509A (en) * | 2016-04-08 | 2016-06-29 | 石家庄嘉祥精密机械有限公司 | Large discharge oilless piston air compressor for rail transit locomotive and air compression method |
| CN106930921A (en) * | 2015-12-29 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of plateau DC frequency-changing oil-free gas compressor |
| CN107165803A (en) * | 2017-07-05 | 2017-09-15 | 浙江德拉戈机械有限公司 | A kind of air compression assembly assembling structure on air compressor machine |
| CN109611311A (en) * | 2018-12-06 | 2019-04-12 | 瑞立集团瑞安汽车零部件有限公司 | A kind of automobile-used oil-free piston type two-stage air compressor machine |
| WO2019128816A1 (en) * | 2017-12-28 | 2019-07-04 | 威伯科汽车控制***（中国）有限公司 | Crankshaft assembly structure for four-cylinder electric air compressor, and four-cylinder electric air compressor |
| CN113187692A (en) * | 2021-06-17 | 2021-07-30 | 鞍山力邦压缩机有限公司 | Portable full-oil-free gas supercharger |
| CN114412747A (en) * | 2022-03-30 | 2022-04-29 | 山西恒亿源机械有限公司 | Intelligent air compressor |
-
2013
- 2013-07-05 CN CN201320399117.2U patent/CN203374444U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930921A (en) * | 2015-12-29 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of plateau DC frequency-changing oil-free gas compressor |
| CN105715509A (en) * | 2016-04-08 | 2016-06-29 | 石家庄嘉祥精密机械有限公司 | Large discharge oilless piston air compressor for rail transit locomotive and air compression method |
| CN107165803A (en) * | 2017-07-05 | 2017-09-15 | 浙江德拉戈机械有限公司 | A kind of air compression assembly assembling structure on air compressor machine |
| WO2019128816A1 (en) * | 2017-12-28 | 2019-07-04 | 威伯科汽车控制***（中国）有限公司 | Crankshaft assembly structure for four-cylinder electric air compressor, and four-cylinder electric air compressor |
| CN109611311A (en) * | 2018-12-06 | 2019-04-12 | 瑞立集团瑞安汽车零部件有限公司 | A kind of automobile-used oil-free piston type two-stage air compressor machine |
| CN113187692A (en) * | 2021-06-17 | 2021-07-30 | 鞍山力邦压缩机有限公司 | Portable full-oil-free gas supercharger |
| CN114412747A (en) * | 2022-03-30 | 2022-04-29 | 山西恒亿源机械有限公司 | Intelligent air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 21, 2023, the expiration and termination of 39 volumes and 2902 issues of patents Number: 29-02 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 |