CN106988988A - A kind of bent axle air pump - Google Patents
A kind of bent axle air pump Download PDFInfo
- Publication number
- CN106988988A CN106988988A CN201710359734.2A CN201710359734A CN106988988A CN 106988988 A CN106988988 A CN 106988988A CN 201710359734 A CN201710359734 A CN 201710359734A CN 106988988 A CN106988988 A CN 106988988A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- air pump
- bent axle
- pressure piston
- chamber body
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of bent axle air pump, brushless electric machine is connected in the motor fixing seat in the middle part of cylinder surface, crank piston component in cylinder is connected with crank connecting link, crank connecting link is fixed by crank axle with brushless electric machine, crank piston component includes low-pressure piston and high pressure piston, low-pressure piston is located at cylinder interior upper end, high pressure piston is located at lower end, cylinder lower end is connected with the cylinder connection ring on deflector, the inlet end of the first chamber body and the second chamber body bottom in combination drying room is separately fixed in the hothouse link slot at deflector two ends, securing cover plate is simultaneously by combination drying room, cylinder is connected with deflector.The present invention realizes the two-stage compression of bent axle air pump, and is compressed in the oil-free lubrication that can realize bent axle air pump, while this air pump small volume, Stability Analysis of Structures, good seal performance, it is adaptable to vehicle-mounted, moreover it is possible to realize dry recycled back.
Description
Technical field
The present invention relates to air compression field, more particularly to a kind of bent axle air pump.
Background technology
Bent axle air pump is the part for realizing that air spring automobile shock is critically important, is specifically used as air spring
Air bag provides gases at high pressure, and the generation of gases at high pressure is necessarily realized by the compression of air.
The air compression compression of reciprocating realization to gas in cylinder by piston, traditional piston component compression
Efficiency is low, often can be only done one stage of compression, and the compression of conventional piston component can only realize that air compresses in its one end, and
The other end often compresses as crank axle is moved without air.
Traditional piston component generally requires to add lubricating oil between piston and cylinder wall, to reduce work in motion
Resistance between plug and cylinder wall, to extend the service life of piston ring.
Also, traditional air pump only has the function that air compresses, and is only single stage compress, without possessing dry gas
Function, meanwhile, in air spring shock absorbing process, the air inlet of air bag and exhaust process are present, therefore also need to develop one
Air compression can be completed simultaneously and can discharge the air pump of gas in air bag by planting.
The content of the invention
The present invention can realize the two-stage compression of bent axle air pump to overcome above-mentioned drawback there is provided a kind of bent axle air pump,
Air is subjected to four times of compressions, and compressed in the oil-free lubrication that can realize bent axle air pump, is improved while saving raw material
Its service life, while this air pump small volume, Stability Analysis of Structures, good seal performance, it is adaptable to vehicle-mounted, and air bag inner high voltage is dried
Reverses through hothouse during gas discharge, the part moisture in drier can be taken away, dry recycled back is realized.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of bent axle air pump, including a brushless electricity
Machine 1, a cylinder 2, a deflector 3, a combination drying room 4 and a securing cover plate 5, brushless electric machine 1 is connected with cylinder 2, and cylinder 2
It is fixed on jointly on deflector 3 with combination drying room 4, securing cover plate 5 simultaneously connects combination drying room 4, cylinder 2 and deflector 3
Connect fixation；
Further, the inside of cylinder 2 is provided with crank piston component 21, and crank piston component 21 passes through the connecting crank of crank connecting link 22
Axle 23, crank axle 23 is connected with brushless electric machine 1 again, and brushless electric machine 1 is fixed in the motor fixing seat 24 of the surface middle part of cylinder 2,
And the opposite of motor fixing seat 24 is provided with air inlet 25；
Wherein, crank piston component 21 includes low-pressure piston and high pressure piston, and low-pressure piston is located at the inner upper end of cylinder 2, high pressure
Piston is located at lower end, and the diameter of low-pressure piston is twice of high pressure piston, then when being compressed, high pressure piston can live low pressure
The gas of plug compression carries out 4 times of compressions again, and pressure can reach 25MPa, and to be then whole air pump uniquely enter air inlet 25
Gas position；
Further, combination drying room 4 includes the first chamber body 41 and the second chamber body 42 of upper pipeline UNICOM, is equipped with both
Inner bag 43, the first chamber body 41 and the bottom of the second chamber body 42 are inlet end 44, and the first chamber body 41 is provided with air bag air inlet
411, the second chamber body 42 is provided with air bag gas outlet 421, and air bag air inlet 411 is by the first chamber body 41 and the inner high voltage of the second chamber body 42
Dry gas is discharged into air bag, and the gas that air bag gas outlet 421 then reversely discharges air bag is through hothouse back reaction shape
Into high pressure wet gas drain into air；
Further, deflector 3 is provided with symmetrical hothouse link slot 31, and cylinder connection ring is additionally provided between the two
32, the high pressure piston effect end of cylinder 2 is connected with cylinder connection ring 32, the inlet end of the first chamber body 41 and the second chamber body 42
44 are separately positioned in left side hothouse link slot 31 and in right side hothouse link slot 31, and the high pressure of compression is moist in cylinder 2
Gas is shunted through deflector 3, into the inner bag 43 of two chamber bodies, and is covered with drier in inner bag 43, then is completed to high pressure tide
The drying of humid gas；
Further, securing cover plate 5 passes through solid with deflector 3 after insertion the first chamber body 41 of M6 stay bolts 51 and the second chamber body 42
It is fixed, while be connected sealing by M6 lag bolts 52 and the low-pressure piston of cylinder 2 effect end, the effect of securing cover plate 5 be make it is whole
Individual structure is with deflector 3 and securing cover plate 5 pedestal, rock-steady structure composition each other；
Further, cylinder 2 is provided with fin 26, the heat dispersion of whole bent axle air pump is lifted, so as to lift work
Stability；
Further, the piston ring of low-pressure piston and high pressure piston is made by the combination of PTFE+ graphite, realizes bent axle air pump
Oil-free lubrication, it is possible to increase the service life of piston component；
Further, crank piston component 21 in cylinder 2 with inwall with being arranged in parallel, and low-pressure piston and high pressure piston and inwall
Agree with completely, the piston component 21 of parallel arrangement ensure that the frictional force that piston will not be because of eccentric between the inwall of cylinder 2
Increase, so as to extend the service life of piston；
Further, 0 type sealing ring is equipped with during the part connection of sealing function, improves the overall tightness of bent axle air pump
Energy.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1st, the present invention has high pressure piston and low-pressure piston, can realize two-stage compression of the bent axle air pump to air.
2nd, be arranged in parallel in crank piston component 21 of the present invention and cylinder 2 with inwall, and low-pressure piston and high pressure piston with
Inwall agrees with completely, and piston and the inwall frictional force of cylinder 2 are smaller, and the half of a diameter of low-pressure piston diameter of high pressure piston,
The gas that low-pressure piston can be acted on carries out four times of compressions again so that pressure reaches 25MPa.
3rd, inventive piston ring has lubricating function, realizes the oil-free lubrication of bent axle air pump, it is possible to increase piston group
The service life of part.
4th, present invention characteristics of compact layout, small volume, and good seal performance in structure, when carrying out gas turnover design, energy
Enough extend drier service life, and the service life of piston component is also more considerable, so that whole bent axle air pump
Service life it is long.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of the present invention.
Wherein：1st, brushless electric machine；2nd, cylinder；3rd, deflector；4th, combination drying room；5th, securing cover plate；21st, crank piston
Component；22nd, crank connecting link；23rd, crank axle；24th, motor fixing seat；25th, air inlet；26th, fin；31st, hothouse link slot；
32nd, cylinder connection ring；41st, the first chamber body；42nd, the second chamber body；43 inner bags；44th, inlet end；411st, air bag air inlet；421st, gas
Capsule gas outlet；51st, M6 stay bolts；52nd, M6 lag bolts.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：
A kind of bent axle air pump, as shown in figure 1, brushless electric machine 1 is connected in the motor fixing seat 24 of the surface middle part of cylinder 2, gas
Crank piston component 21 in cylinder 2 is connected with crank connecting link 22, and crank connecting link 22 is fixed by crank axle 23 with brushless electric machine 1,
Crank piston component 21 includes low-pressure piston and high pressure piston, and low-pressure piston is located at the inner upper end of cylinder 2, and high pressure piston is located at down
End, the lower end of cylinder 2 is connected with the cylinder connection ring 32 on deflector 3, the first chamber body 41 and the second chamber body in combination drying room 4
The inlet end 44 of 42 bottoms is separately fixed in the hothouse link slot 31 at the two ends of deflector 3, and securing cover plate 5 is simultaneously dry by combination
Dry room 4, cylinder 2 and deflector 3 are connected.
Above, cylinder 2 is additionally provided with air inlet 25 in the opposite of motor fixing seat 24, and the air inlet 25 is whole air
Twice of a diameter of high pressure piston diameter of low-pressure piston inside unique air inlet of pump, cylinder 2 is high then when being compressed
The gas that pressure piston can compress low-pressure piston carries out 4 times of compressions again, and pressure can reach 25MPa.
Combination drying be 4 be high pressure wet gas dry position, be all provided with inside the first chamber body 41 and the second chamber body 42
There is inner bag 43, while the first chamber body 41 is provided with air bag air inlet 411, the second chamber body 42 is provided with air bag gas outlet 421, air bag
The gas that first chamber body 41 and the inner high voltage of the second chamber body 42 are dried is discharged into air bag by air inlet 411, and air bag gas outlet 421 is then
The high pressure wet gas that the gas that air bag is reversely discharged is formed through hothouse back reaction drains into air.
Specifically, the high pressure wet gas of compression is shunted through deflector 3 in cylinder 2, into the inner bag 43 of two chamber bodies,
And be covered with drier in inner bag 43, then complete the drying to high pressure wet gas.
Securing cover plate 5 especially by being fixed after insertion the first chamber body 41 of M6 stay bolts 51 and the second chamber body 42 with deflector 3,
End is acted on by M6 lag bolts 52 and the low-pressure piston of cylinder 2 simultaneously and is connected sealing, the effect of securing cover plate 5 is to make whole knot
Structure is with deflector 3 and securing cover plate 5 pedestal, rock-steady structure composition each other.
To lift the heat dispersion of whole bent axle air pump, so that the stability of work is lifted, on the cylinder 2 provided with radiating
Piece 26.
Crank piston component 21 in cylinder 2 with inwall with being arranged in parallel, low-pressure piston and high pressure piston and the complete contract of inwall
Close, the piston component 21 of parallel arrangement ensure that the frictional force increase that piston will not be because of eccentric between the inwall of cylinder 2, from
And the service life of piston is extended, and the piston ring of low-pressure piston and high pressure piston is made by the combination of PTFE+ graphite, realizes
The oil-free lubrication of bent axle air pump, further improves the service life of piston component.
It is preferred that, 0 type sealing ring is equipped with during the part connection of sealing function, the integral sealing of bent axle air pump is improved
Performance.
Operation principle of the present invention is as follows：
Air bag air inlet:
Gas from air inlet 25 enter cylinder 2 in, subsequently enter in low-pressure piston constricted zone, low-pressure piston compression gas with
Enter afterwards in high pressure piston constricted zone, complete 4 times of compressions, gas pressure intensity reaches 25MPa, and subsequent high pressure wet gas, which enters, to be led
Flow in plate 3, deflector 3 is by gas distribution, in the inner bag 43 for respectively enteing the first chamber body 41 and the second chamber body 42, complete to high pressure
The drying of wet gas, subsequent two bursts of high pressure dry gas are common to enter air bag from air bag air inlet 411, and gas in compression process
The heat that cylinder 2 is produced is discharged by fin 26.
Air bag outlet：
Air bags, the moisture that gas is passed back through in the inner bag 43 of two chamber bodies, high pressure dry gas absorption dehydration agent turns into
High pressure wet gas, is then discharged through air bag gas outlet 421 jointly.
It is worth noting that, being equipped with valve body on air bag air inlet 411 and air bag gas outlet 421.
The technical concepts and features of above-mentioned embodiment only to illustrate the invention, its object is to allow be familiar with technique
People can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent transformation or modification that Spirit Essence is done, should all be included within the scope of the present invention.
Claims (10)
1. a kind of bent axle air pump, it is adaptable to bent axle air pump, it is characterised in that：Including a brushless electric machine（1）, a cylinder（2）、
One deflector（3）, a combination drying room（4）With a securing cover plate（5）, the brushless electric machine（1）With the cylinder（2）Connection,
And the cylinder（2）With the combination drying room（4）The deflector is fixed on jointly（3）On, the securing cover plate（5）Simultaneously
By the combination drying room（4）, the cylinder（2）With the deflector（3）It is connected.
2. a kind of bent axle air pump according to claim 1, it is characterised in that：The cylinder（2）Inside is provided with crank piston
Component（21）, the crank piston component（21）Pass through crank connecting link（22）Connecting crank axle（23）, the crank axle（23）Again
With the brushless electric machine（1）Connection, the brushless electric machine（1）It is fixed on the cylinder（2）The motor fixing seat of surface middle part
（24）On, and the motor fixing seat（24）Opposite is provided with air inlet（25）.
3. a kind of bent axle air pump according to claim 2, it is characterised in that：The crank piston component（21）Including low pressure
Piston and high pressure piston, the low-pressure piston are located at the cylinder（2）Inner upper end, the high pressure piston is located at lower end.
4. a kind of bent axle air pump according to claim 2, it is characterised in that：The combination drying room（4）Including upper tube
First chamber body of road UNICOM（41）With the second chamber body（42）, inner bag is equipped with both（43）, first chamber body（41）And institute
State the second chamber body（42）Bottom is inlet end（44）, and first chamber body（41）It is provided with air bag air inlet（411）, it is described
Second chamber body（42）It is provided with air bag gas outlet（421）.
5. a kind of bent axle air pump according to claim 2 or 4, it is characterised in that：The deflector（3）It is right provided with left and right
The hothouse link slot of title（31）, cylinder connection ring is additionally provided between the two（32）, the cylinder（2）High pressure piston effect end
With the cylinder connection ring（32）It is connected, first chamber body（41）With second chamber body（42）The inlet end
（44）It is separately positioned on the left side hothouse link slot（31）The interior and right side hothouse link slot（31）It is interior.
6. a kind of bent axle air pump according to claim 5, it is characterised in that：The securing cover plate（5）Pass through M6 stay bolts
（51）First chamber body described in insertion（41）With second chamber body（42）Afterwards with the deflector（3）It is fixed, while short by M6
Bolt（52）With the cylinder（2）The connection sealing of low-pressure piston effect end.
7. according to a kind of any one of claim 1~6 bent axle air pump, it is characterised in that：The cylinder（2）Provided with scattered
Backing（26）.
8. according to a kind of any one of claim 2~6 bent axle air pump, it is characterised in that：The low-pressure piston and described
The piston ring of high pressure piston is made by the combination of PTFE+ graphite.
9. according to a kind of any one of claim 2~6 bent axle air pump, it is characterised in that：The crank piston component
（21）With the cylinder（2）It is interior to be arranged in parallel with inwall, and the low-pressure piston and the high pressure piston agree with completely with inwall.
10. according to a kind of any one of claim 1~6 bent axle air pump, it is characterised in that：The part connection of sealing function
When be equipped with 0 type sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359734.2A CN106988988A (en) | 2017-05-20 | 2017-05-20 | A kind of bent axle air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359734.2A CN106988988A (en) | 2017-05-20 | 2017-05-20 | A kind of bent axle air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106988988A true CN106988988A (en) | 2017-07-28 |
Family
ID=59419580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359734.2A Pending CN106988988A (en) | 2017-05-20 | 2017-05-20 | A kind of bent axle air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988988A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291940A (en) * | 2006-04-25 | 2007-11-08 | Teijin Pharma Ltd | Vacuum pump |
| CN101253327A (en) * | 2005-08-26 | 2008-08-27 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| CN101371042A (en) * | 2005-11-28 | 2009-02-18 | 法伊韦利传送器意大利有限公司 | A unit for generating and treating compressed aeriform fluids, with an improved cooling system |
| CN102817814A (en) * | 2012-08-22 | 2012-12-12 | 快意（江门）压缩机有限公司 | Efficient high-power oilless compressor |
| CN205277746U (en) * | 2015-12-29 | 2016-06-01 | 瑞立集团瑞安汽车零部件有限公司 | Oilless air compressor |
| CN207018161U (en) * | 2017-05-20 | 2018-02-16 | 上乘精密科技（苏州）有限公司 | A kind of bent axle air pump |
-
2017
- 2017-05-20 CN CN201710359734.2A patent/CN106988988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101253327A (en) * | 2005-08-26 | 2008-08-27 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| CN101371042A (en) * | 2005-11-28 | 2009-02-18 | 法伊韦利传送器意大利有限公司 | A unit for generating and treating compressed aeriform fluids, with an improved cooling system |
| JP2007291940A (en) * | 2006-04-25 | 2007-11-08 | Teijin Pharma Ltd | Vacuum pump |
| CN102817814A (en) * | 2012-08-22 | 2012-12-12 | 快意（江门）压缩机有限公司 | Efficient high-power oilless compressor |
| CN205277746U (en) * | 2015-12-29 | 2016-06-01 | 瑞立集团瑞安汽车零部件有限公司 | Oilless air compressor |
| CN207018161U (en) * | 2017-05-20 | 2018-02-16 | 上乘精密科技（苏州）有限公司 | A kind of bent axle air pump |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20200626 |
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| AD01 | Patent right deemed abandoned |