CN204113568U - Without oily piston two-stage compression device - Google Patents
Without oily piston two-stage compression device Download PDFInfo
- Publication number
- CN204113568U CN204113568U CN201420525716.9U CN201420525716U CN204113568U CN 204113568 U CN204113568 U CN 204113568U CN 201420525716 U CN201420525716 U CN 201420525716U CN 204113568 U CN204113568 U CN 204113568U
- Authority
- CN
- China
- Prior art keywords
- piston
- stage compression
- compression device
- cylinder
- bent axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007906 compression Methods 0.000 title claims abstract description 43
- 230000006835 compression Effects 0.000 title claims abstract description 42
- 239000010985 leather Substances 0.000 claims description 17
- 210000000707 wrist Anatomy 0.000 claims description 11
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 5
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Landscapes
- Compressor (AREA)
Abstract
The utility model discloses a kind of without oily piston two-stage compression device, its drip irrigation device is that described cylinder comprises master cylinder, two cylinders, described cylinder is equipped with air outlet, described master cylinder is provided with suction port, tracheae is connected with between described air outlet and suction port, described air outlet is communicated with by tracheae with suction port, it has that compression efficiency is high, structure is simple, reliable, cost reduces, leak the features such as reduction, stability improves, and can obtain higher delivery pressure, and service life of a machine and working efficiency also significantly improve.
Description
Technical field
The utility model relates to a kind of compression set, and more particularly, it relates to a kind of without oily piston two-stage compression device.
Background technique
Oilless compressor, as the air-source that can provide clean air, has the industry of high request to have market widely at medical treatment, food, chemical industry etc. to air quality requirements.
At present, without oily piston compressor many employings composite as piston ring, this structure with have oily piston structure similar, just the material of piston ring is made into the material without energy selflubricating under oil condition, although this structure can realize contracting without oil pressure, but sealing effect is poor, efficiency is low, after working long hours, due to the wearing and tearing of piston ring, efficiency reduces obviously, and more and more higher to the pressure size requirements after compressor compresses in life now, traditional compressor cannot realize the air of conveying high-pressure, and the efficiency realizing compression is low.
Also have the oilless compressor of two stage compression in the market, but this compressor leakage is more serious with wearing and tearing; The fork oilless compressor of another structure, is made of one connecting rod and piston, adopts cup packing, seals during work by the tension force of leather cup; Although this structure improves sealing effect, because leather cup is in oscillating traverse motion state for a long time, very easily weares and teares and break, the life-span is very short, also cannot make two stage compression; Due to the existence of these problems, constrain applying of oilless compressor.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of delivery pressure is high, good stability and long service life without oily piston two-stage compression device.
For achieving the above object, the utility model provides following technological scheme: a kind of without oily piston two-stage compression device, comprise crankcase, bent axle is provided with in described crankcase, described bent axle is provided with connecting rod, described connecting rod is provided with piston away from one end of bent axle, described crankcase is provided with cylinder, described piston is positioned at cylinder, described cylinder comprises master cylinder, two cylinders, and described cylinder is equipped with air outlet, and described master cylinder is provided with suction port, be connected with tracheae between described air outlet and suction port, described air outlet is communicated with by tracheae with suction port.
The utility model is set to further: described connecting rod comprises the joint be connected with bent axle, and described joint comprises the first half and Lower Half, and the described first half and Lower Half removably connect.
The utility model is set to further: the described first half and Lower Half are equipped with tapped hole, and the described first half and Lower Half are connected by screw fixing.
The utility model is set to further: be provided with wrist pin in described piston, and described wrist pin is arranged with clutch shaft bearing, and described piston and connecting rod are connected and fixed by wrist pin.
The utility model is set to further: described piston side wall is provided with two annular grooves, is equipped with the guide ring be mated in described annular groove.
The utility model is set to further: described piston is provided with mounting groove away from one end of connecting rod, is provided with leather cup in described mounting groove, and described leather cup is provided with gland.
The utility model is set to further: the two ends of described bent axle are all arranged with the second bearing.
The utility model is set to further: the described first half and Lower Half are equipped with depressed part, and described depressed part forms mounting hole, is provided with the 3rd bearing in described mounting hole.
The utility model is set to further: described bent axle is provided with the fan blade with its interlock.
Compared with prior art, the utility model has the advantage of: two times cylinder provides pressurized air as primary compression simultaneously, and the air after primary compression enters into another one master cylinder and carries out two-stage compression, can by air compressing to higher pressure; Leather cup operationally opens due to gas pressure, is close to cylinder, effectively reduces leakage, raises the efficiency; Guide ring in the middle part of piston effectively alleviates the friction of leather cup, and improve the working life of leather cup, improve the sealing effect of piston, the joint due to connecting rod comprises the first half and Lower Half simultaneously, and the first half and Lower Half removably connect, and facilitate installation and maintenance; Adopt three cylinders, reduce volume, raise the efficiency, adopt built-in fan blade simultaneously, play good cooling effect, improve compression efficiency; This compression set is compared with oilless compressor of the same type, and structure is simple, reliable, and cost reduces, and leaks and reduces, and stability improves, and can obtain higher delivery pressure, and service life of a machine and working efficiency also significantly improve.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the utility model without oily piston two-stage compression device embodiment;
Fig. 2 is the assembled inside figure of the utility model without oily piston two-stage compression device embodiment;
Fig. 3 is the assembled inside figure of the utility model without oily piston two-stage compression device embodiment;
Fig. 4 is the structural drawing of the utility model without oily piston two-stage compression device embodiment piston, connecting rod;
Fig. 5 is the sectional view of the utility model without oily piston two-stage compression device embodiment piston, connecting rod.
Reference character: 1, crankcase; 2, bent axle; 3, connecting rod; 31, the first half; 32, Lower Half; 33, screw; 41, secondary cylinder; 42, master cylinder; 43, tracheae; 5, piston; 51, wrist pin; 52, guide ring; 53, leather cup; 54, gland; 61, clutch shaft bearing; 62, the second bearing; 63, the 3rd bearing; 7, fan blade.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model is described further without oily piston two-stage compression device embodiment.
A kind of without oily piston two-stage compression device, comprise crankcase 1, bent axle 2 is provided with in described crankcase 1, described bent axle 2 is provided with connecting rod 3, described connecting rod 3 is provided with piston 5 away from one end of bent axle 2, described crankcase 1 is provided with cylinder, described piston 5 is positioned at cylinder, described cylinder comprises master cylinder 42, two cylinders 41, described cylinder 41 is equipped with air outlet, described master cylinder 42 is provided with suction port, tracheae 43 is connected with between described air outlet and suction port, described air outlet is communicated with by tracheae 43 with suction port, tracheae 43 and master cylinder 42, secondary cylinder 41 is all tightly connected.
Being rotated by driving crank 2 and then realizing connecting rod 3 drives piston 5 to move in cylinder, realize the compression process of air, wherein two cylinder 41 pairs of air carry out primary compression, then the air after secondary cylinder 41 primary compression is transported in master cylinder 42 by tracheae 43 and carries out two-stage compression, and then the air of high pressure can be obtained, meet the demand of people, and owing to there being two cylinders 41 to carry out primary compression simultaneously, improve the efficiency of air compressing, save compression time.
Described connecting rod 3 comprises the joint be connected with bent axle 2, and described joint comprises the first half 31 and Lower Half 32, and the described first half 31 and Lower Half 32 removably connect.
The described first half 31 and Lower Half 32 are equipped with tapped hole, and the described first half 31 and Lower Half 32 are connected and fixed by screw 33.
Because the first half 31 and Lower Half 32 are removably connected by screw 33, when damaging appears in connecting rod 3, without the need to prior, miscellaneous part on bent axle 2 is dismantled, only need unclamp screw 33 and just can dismantle in advance, such setting is not only easy for installation, and dismounting and maintenance facilitate too.
Be provided with wrist pin 51 in described piston 5, described wrist pin 51 is arranged with clutch shaft bearing 61, described piston 5 is connected and fixed by wrist pin 51 with connecting rod 3.
Described piston 5 sidewall is provided with two annular grooves, and be equipped with the guide ring 52 be mated in described annular groove, guide ring 52 is made up of self lubricating material, such as teflon.
Described piston 5 is provided with mounting groove away from one end of connecting rod 3, is provided with leather cup 53 in described mounting groove, and described leather cup 53 is provided with gland 54.
Preferred is needle bearing at clutch shaft bearing 61, and the both sides of clutch shaft bearing 61 are respectively arranged with oil sealing, can by grease sealing in clutch shaft bearing 61, the lubrication problem of effective solution clutch shaft bearing 61, make connecting rod 3 have free remaining in the axial direction simultaneously, automatically can eliminate bearing eccentric wear and damage that installation deviation causes, improve bearing life; Leather cup 53 operationally because gas pressure opens, is close to cylinder, effectively reduces leakage, raises the efficiency; Guide ring 52 in the middle part of piston 5 effectively alleviates the friction of leather cup 53, improves working life of leather cup 53, and the installation of the guide ring 52 that the setting of mounting groove is is more stable, and avoid occurring sliding, gland 54 can be good at fixing leather cup 53.
The two ends of described bent axle 2 are all arranged with the second bearing 62.
Arrange the second bearing 62 at the two ends of bent axle 2 respectively, thus can play the effect of constraint bent axle 2, bent axle 2 can only rotate in a circumferential direction motion in crankcase 1, and stability when raising bent axle 2 rotates.
The described first half 31 and Lower Half 32 are equipped with depressed part, and described depressed part forms mounting hole, is provided with the 3rd bearing 63 in described mounting hole.
The setting of the 3rd bearing 63 can reduce the frictional force between connecting rod 3 joint and bent axle 2, and the joint of connecting rod 3 also can move in a circle along with the eccentric shaft of bent axle 2 together.
Described bent axle 2 is provided with the fan blade 7 with its interlock.
The setting of fan blade 7 can play good air cooling effect, fan blade 7 rotates the air-flow formed and is directed to master cylinder 42 and time cylinder 41, force cooling master cylinder 42, secondary cylinder 41, connecting rod 3 and piston, the working stability of effective reduction master cylinder 42, secondary cylinder 41, connecting rod 3 and piston 5, and then increase the service life, improve compression efficiency.
Detailed process: when can be rotated by motor driven crankshafts 2, eccentric shaft drivening rod 3 driven plunger 5 of bent axle 2 moves reciprocatingly respectively in master cylinder 42 and time cylinder 41, and the guide ring 52 on piston 5 plays effect of contraction; Bent axle 2 is completed by the 3rd bearing 63 with the relative movement of connecting rod 3, rolling pendulum motion between connecting rod 3 and wrist pin 51 is completed by clutch shaft bearing 61, reciprocating friction between piston 5 and master cylinder 42, secondary cylinder 41 is lubricated by the piston cup 53 of selflubricating and guide ring 52, and three pistons 5 do the to-and-fro motion not needing lubricant oil respectively in master cylinder 42, secondary cylinder 41; Leather cup 53 operationally because gas pressure opens, is close to cylinder, effectively reduces leakage; Piston 5 completes primary compression in secondary cylinder 41, and pressurized air is discharged through the air outlet of time cylinder 41 and entered in tracheae 43, is cooled; Suction port again through master cylinder 42 enters into two-stage compression chamber, is compressed to more high pressure, achieves the process of 2 grades of compressions.Fan blade 7 rotates the air-flow formed and is directed to master cylinder 42 and time cylinder 41, forces cooling master cylinder 42, secondary cylinder 41, piston 5 and connecting rod 3, effectively reduces the operating temperature of master cylinder 42, secondary cylinder 41, piston 5 and connecting rod 3, improve compression efficiency.
The utility model is compared with oilless compressor of the same type, and its structure is simple, reliable, and cost is low, and leak low, stability is high, and delivery pressure is high, and service life of a machine and working efficiency also significantly improve.
Claims (9)
1. one kind without oily piston two-stage compression device, comprise crankcase, bent axle is provided with in described crankcase, described bent axle is provided with connecting rod, described connecting rod is provided with piston away from one end of bent axle, described crankcase is provided with cylinder, described piston is positioned at cylinder, it is characterized in that: described cylinder comprises master cylinder, two cylinders, described cylinder is equipped with air outlet, described master cylinder is provided with suction port, is connected with tracheae between described air outlet and suction port, and described air outlet is communicated with by tracheae with suction port.
2. according to claim 1 without oily piston two-stage compression device, it is characterized in that: described connecting rod comprises the joint be connected with bent axle, described joint comprises the first half and Lower Half, and the described first half and Lower Half removably connect.
3. according to claim 2 without oily piston two-stage compression device, it is characterized in that: the described first half and Lower Half are equipped with tapped hole, the described first half and Lower Half are connected by screw fixing.
4. according to claim 1ly it is characterized in that: be provided with wrist pin in described piston without oily piston two-stage compression device, described wrist pin is arranged with clutch shaft bearing, and described piston and connecting rod are connected and fixed by wrist pin.
5. according to claim 1 without oily piston two-stage compression device, it is characterized in that: described piston side wall is provided with two annular grooves, is equipped with the guide ring be mated in described annular groove.
6. according to claim 1ly it is characterized in that: described piston is provided with mounting groove away from one end of connecting rod without oily piston two-stage compression device, be provided with leather cup in described mounting groove, described leather cup is provided with gland.
7. according to claim 1 without oily piston two-stage compression device, it is characterized in that: the two ends of described bent axle are all arranged with the second bearing.
8. according to claim 2ly it is characterized in that: the described first half and Lower Half are equipped with depressed part without oily piston two-stage compression device, described depressed part forms mounting hole, is provided with the 3rd bearing in described mounting hole.
9. according to claim 1 without oily piston two-stage compression device, it is characterized in that: described bent axle is provided with the fan blade with its interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525716.9U CN204113568U (en) | 2014-09-13 | 2014-09-13 | Without oily piston two-stage compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525716.9U CN204113568U (en) | 2014-09-13 | 2014-09-13 | Without oily piston two-stage compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113568U true CN204113568U (en) | 2015-01-21 |
Family
ID=52330884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420525716.9U Expired - Fee Related CN204113568U (en) | 2014-09-13 | 2014-09-13 | Without oily piston two-stage compression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194643A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of electronic oil-free main air compressor machine air compression plant |
-
2014
- 2014-09-13 CN CN201420525716.9U patent/CN204113568U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194643A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of electronic oil-free main air compressor machine air compression plant |
| CN106194643B (en) * | 2016-08-31 | 2019-07-05 | 瑞立集团瑞安汽车零部件有限公司 | A kind of electronic oil-free main air compressor machine air compression plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103429895A (en) | Oil-free air compressor for rail vehicle | |
| CN106015008B (en) | Rotary cylinder piston compressor pump body and compressor adopting same | |
| CN106194643B (en) | A kind of electronic oil-free main air compressor machine air compression plant | |
| CN201650663U (en) | Efficient oil-free piston compression device | |
| CN204041380U (en) | A kind of multi-cylinder opposed piston is without oil pressure compression apparatus | |
| CN204082483U (en) | A kind of twin-tub is without oily piston compression device | |
| CN105065270A (en) | Air conditioner and low-pressure cavity compressor thereof | |
| CN101542121A (en) | Hermetic reciprocating compressor with thrust ball bearing | |
| CN204113568U (en) | Without oily piston two-stage compression device | |
| CN203404048U (en) | Pressurized oil supply lubrication mechanism for compressor | |
| CN204113586U (en) | A kind of single cylinder is without oily piston compression device | |
| CN206054214U (en) | A kind of main air compressor machine air compression plant of electronic oil-free | |
| CN204025048U (en) | A kind of rotary air compressor | |
| CN203098200U (en) | Mini-type full oil-free lubrication high pressure oxygen compressor | |
| CN206234080U (en) | Industrial oil-free lubricates labyrinth vertical reciprocating compressor | |
| CN201982298U (en) | Rotary air compressor of self-lubricating slip sheet | |
| CN201865877U (en) | Double-cylinder oil-free compressor | |
| CN103196022A (en) | Electric ultrahigh-pressure grease injector | |
| CN104131976A (en) | Rotation type air compressor | |
| CN209145881U (en) | A kind of improved closed cycle vacuum pump set | |
| CN203925930U (en) | A kind of small displacement compressor | |
| CN202370785U (en) | All oil-free lubrication dual-acting type air compressor | |
| CN1303327C (en) | Opposed diaphragm compression engine capable of auto-regulating coaxial degree of bar piston and plunger case | |
| CN203925931U (en) | A kind of compact compressor | |
| KR102453003B1 (en) | Double type oil free reciprocating compressing apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |