CN2656672Y - Miniature balanced oilless lubricating compressor - Google Patents
Miniature balanced oilless lubricating compressor Download PDFInfo
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- CN2656672Y CN2656672Y CN 200320113263 CN200320113263U CN2656672Y CN 2656672 Y CN2656672 Y CN 2656672Y CN 200320113263 CN200320113263 CN 200320113263 CN 200320113263 U CN200320113263 U CN 200320113263U CN 2656672 Y CN2656672 Y CN 2656672Y
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- connecting rod
- main shaft
- bias axis
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Abstract
The utility model relates to a miniature and balanced non-oil lubricating compressor which is composed of more than three suits of compressing mechanisms, wherein the compressing mechanisms share with a main shaft 10, and the compressing mechanisms are uniformly distributed in radial direction of 360 DEG by winding the main shaft 10. Two suits of compressing mechanisms of which the position is opposite in even suits of compressing mechanisms form one group, a bearing 12 is arranged at the tail end of a connecting rod A 7, the tail end of a connecting rod B 13 is hinged with the middle section of the connecting rod A 7, and the bearing 12 of each group is arranged side by side on the same sloping shaft 11. Thus, the complete compressor saves half axial spacing on the basis of not increasing radial spacing. The sum of the complexor of the inertia force of reciprocating movement at the inner part and the centrifugal force of rotating movement is zero to realize dynamic balancing. The utility model has the advantages of small operating phase interval of each compressing mechanism, continuous apply work, uniform rotary speed, complementary sucking and exhausting period, small gas pulsation, small volume, high efficiency, small vibration, long service life and stable and reliable running, and is widely used for industries, such as light industry, medical treatment industry, etc. to provide clean air supply.
Description
One. technical field
The utility model belongs to field of mechanical technique, thereby is a kind of machine with gas compression raising gas pressure or conveying gas, is commonly referred to as compressor.
Two. background technique
Non-lubricated compressor is mainly used in industries such as medical apparatus, precision type instrument, food processing, light industry, environmental protection, and can provide does not have the clean source of the gas of oil.Common non-lubricated compressor has piston type, diaphragm type, screw type, sliding vane, clino-axis type etc. at present, but pluses and minuses are respectively arranged.Comparatively speaking: structure in the form of piston is comparatively complicated, and operational shock is big; The air displacement of diaphragm type is little, and the life-span is short, and efficient is low; The required precision height of screw type leaks greatly, and noise is big; The friction of sliding vane is big, and efficient is low, and the life-span is short; The required precision height of clino-axis type, volume is big, and air displacement is little etc.
Reference literature: miniature balanced type non-lubricated compressor, model utility: 03245763.4, this model utility is made up of compressing mechanism, main shaft and casing, compressing mechanism is by crankshaft-link rod assembly, piston cylinder assembly and the suction and discharge assembly is supporting constitutes, its characteristics be the above compressing mechanism of three covers around spindle centerline radially 360 degree evenly distribute; Bearing more than three lays respectively at the corresponding connecting rod end, is installed in side by side on the bias axis; Or bearing is positioned at the end of a connecting rod, is arranged separately on the bias axis, and the end of other connecting rod is hinged on the end of this connecting rod.When compressor operating, each compressing mechanism is worked simultaneously with the rotation of main shaft, the inertial force sum of its reciprocating member is consistent with the centrifugal force direction of rotating moving part, oppositely offset by the centrifugal force that equilibrium block produces, thereby realize the transient equiliblium of complete machine, and, the alternate compression work done successively of each compressing mechanism, the work phase intervals is less than 120 degree, and load is even, the operation cycle complementation of each compressing mechanism, the output air pulsing is little, so, this model utility stable working, basic friction, unique shortcoming is that the volume of complete machine is bigger.For example: the number cover compression mechanism of preceding scheme is on Different Plane, and complete machine occupation space in the axial direction is bigger, and main shaft is long, and force-bearing situation is not good; The number cover of back scheme compresses mechanism at grade, and main shaft is the shortest, but in order not increase the pendulum angle of connecting rod, compressing mechanism must be expanded diametrically, and the volume of complete machine is still bigger.
Three. summary of the invention
The purpose of this utility model is to overcome above-mentioned defective, provides a kind of stable working vibration little, the little non-lubricated compressor of output air pulsing, and key is the simple and compact for structure of complete machine.
Comparatively speaking, the efficient of reciprocal compressor is higher, piston compressor particularly, and traditional have an oil lubricating compressor, requires the position of its cylinder must not be lower than crankcase, in case lubricant oil enters between cylinder.But adopt after oil-free lubrication material and the technology, the structure of compressor just not the recipient to limitation, cylinder can be positioned at any position, even direction is down, this is to realize technology prerequisite of the present utility model.
The utility model is to realize by following technological scheme:
Miniature balanced type non-lubricated compressor, form by the above compressing mechanism of three covers, a shared main shaft and casing, every cover compresses mechanism by crankshaft-link rod assembly, piston cylinder assembly and the supporting formation of suction and discharge assembly, each cover compression mechanism evenly distributes to 360 degree around main shaft diameter, its key is: the compressing mechanism of even number cover, two relative covers of position are one group, every group of shared bearing is positioned at the end of connecting rod first, the end of connecting rod second is hinged on the stage casing of connecting rod first, and the bearing of each group is installed on the same bias axis side by side.Like this, complete machine is saved the axial space of half on the basis that does not increase radial space.
Concrete structure can for: as two O shape flat boards of connecting rod second extension, and be listed in the both sides of connecting rod first end, its hollow space is walked around bias axis, and terminal stage casing with the connecting rod first is hinged.
Concrete structure also can be the terminal bifurcated of connecting rod second, walks around the end of connecting rod first from outer shroud, is connected to annular by two flat boards of both sides, and hinged with the stage casing of connecting rod first.
Equilibrium block is positioned at the one or both ends of bias axis.
Compressing mechanism can be installed in an end of motor, shared main shaft.
Can flabellum, shared main shaft be installed at the other end of motor.
Have a circular hole to cooperate on the bias axis with main shaft, this circular hole parallel with the center line of bias axis but the biasing.
Perhaps, bias axis parallel with the center line of main shaft but the biasing, both are one.
Superior part of the present utility model is: component structural is simple, good manufacturability, and highly versatile is easy to produce in batches; Machine volume is little, the efficient height, and cost is low, and the life-span is long; It is reliable to operate steadily, basic friction; Both can be used for compressor, also can be used for vacuum pump.
Four. description of drawings
Fig. 1 is embodiment one appearance figure.
Fig. 2 is embodiment's one main generalized section of looking.
Fig. 3 is embodiment's one side-looking generalized section.
Fig. 4 is embodiment's two main generalized sections of looking.
Fig. 5 is embodiment's two side-looking generalized sections.
Fig. 6 is embodiment's three main generalized sections of looking.
Fig. 7 is embodiment's four main generalized sections of looking.
Among the figure: 1. cylinder cap, 2. valve block, 3. valve plate, 4. piston ring, 5. piston, 6. cylinder sleeve, 7. connecting rod first, 8. flat board, 9. equilibrium block, 10. main shaft, 11. bias axis, 12. bearings, 13. connecting rod second, 14. casings, 15. motors, 16. flabellums, 17. belt pulleys.
Five. embodiment
Miniature balanced type oilless compressor, form by the above compressing mechanism of three covers, shared main shaft 10 and casing 14, every cover compresses mechanism by crankshaft-link rod assembly, piston cylinder assembly and the supporting formation of suction and discharge assembly, respectively cover compression mechanism is around radially evenly distribution of 360 degree of main shaft 10, it is characterized in that: the compressing mechanism of even number cover, two relative covers of position are one group, every group of shared bearing 12 is positioned at the end of connecting rod first 7, the end of connecting rod second 13 is hinged on the stage casing of connecting rod first 7, and the bearing 12 of each group is installed on the same bias axis 11 side by side.
Concrete structure is:
The crankshaft-link rod assembly is made up of crankshaft-and-connecting-rod, and bent axle is made of main shaft 10, bias axis 11 and equilibrium block 9, and equilibrium block 9 is positioned at the one or both ends of bias axis 11, between cooperate to install or be connected as a single entity.
Piston cylinder assembly is made up of piston 5, piston ring 4 and cylinder sleeve 6, and cylinder sleeve 6 and piston ring 4 adopt conventional self lubricating material and technology to make;
The suction and discharge assembly is made up of cylinder cap 1, valve plate 3 and valve block 2; Valve plate 3 is a slab construction, is provided with intake valve port and exhaust valve port, and valve block 2 covers on it respectively; Cylinder cap 1 is the concave-concave cavity configuration, forms air-inlet cavity and exhaust cavity.
The top of connecting rod and piston 5 are both movable hinged, also can be fixedly connected, promptly adopt swing piston-cylinder structure, and also can adopt diaphragm type piston-cylinder structure.
Concrete annexation is:
As two O shape flat boards 8 of connecting rod second 13 extensions, and be listed in the both sides of connecting rod first 7 ends, its hollow space is walked around bias axis 11, and terminal stage casing with connecting rod first 7 is hinged.
Perhaps, the terminal bifurcated of connecting rod second 13 is walked around the end of connecting rod first 7 from outer shroud, is connected to annular by two flat boards 8 of both sides, and hinged with the stage casing of connecting rod first 7.
Have a circular hole to cooperate on the bias axis 11 with main shaft 10, this circular hole parallel with the center line of bias axis 11 but the biasing.
Perhaps, bias axis 11 parallel with the center line of main shaft 10 but the biasing, both are integrated.
With respect to the center line of main shaft 10, the center of gravity of equilibrium block 9 is opposite with bias axis 11, and its quality suitably disposes, and is enough to offset bias axis 11, bearing 12, connecting rod, flat board 8, piston 5 and the centrifugal force of piston ring 4 and the vector sum of inertial force.
Compressing mechanism is installed in an end of motor 15, shared main shaft 10, compact structure.
And flabellum 16 is installed at the other end of motor 15, shared main shaft 10 is realized air-cooled.
Complete machine also can pass through belt pulley 17 or coupling by motor or internal combustion engine drive.
Embodiment one: referring to Fig. 1, Fig. 2 and Fig. 3, miniature balanced type non-lubricated compressor is by cylinder cap 1, valve block 2, valve plate 3, piston ring 4, piston 5, cylinder sleeve 6, connecting rod first 7, flat board 8, equilibrium block 9, main shaft 10, bias axis 11, bearing 12, connecting rod second 13, casing 14, motor 15, flabellum 16 and corresponding fixing bolt are formed.
The shared main shaft of the compressing mechanism of present embodiment and motor drive mechanism is integrated.Its compact structure, the reliability height.
The quadruplet compressing mechanism radially evenly distributes around main shaft 10,90 spend at interval, two relative covers of position are one group, every group of shared bearing 12 is positioned at the end of connecting rod first 7, as two O shape flat boards 8 of connecting rod second 13 extensions, and be listed in the both sides of connecting rod first 7 ends, its hollow space is walked around bias axis 11, be hinged on the stage casing of connecting rod first 7, two bearings 12 that adhere to two groups separately are installed on the bias axis 11 side by side.
Because the quadruplet compressing mechanism radially evenly distributes around main shaft 1, each compressing mechanism compresses work done successively, and work phase intervals 90 degree are so the load of motor 15 is even, stabilization of speed; The operation cycle complementation of each compressing mechanism, the output air pulsing is little.
Because the quadruplet compressing mechanism is driven by same bias axis 11, the vector sum of its reciprocating member inertial force and rotating moving part centrifugal force, the centrifugal force that is produced by equilibrium block 9 is offset in the lump, thereby realizes the transient equiliblium of complete machine.
Working procedure of the present utility model is: for a cover compression actuator wherein, when main shaft 10 rotations, by bias axis 11, bearing 12 and connecting rod, when driving piston 5 declines, produce negative pressure between cylinder, air-intake valve plate 2 is opened, and exhaust valve plate 2 is closed, low-pressure gas enters between cylinder through air-inlet cavity, finishes inspiratory cycle; Subsequently, connecting rod drives piston 5 and rises, and pressurized gas produces high pressure between cylinder, and air-intake valve plate 2 is closed, and exhaust valve plate 2 is opened, and pressurized gas are discharged through exhaust cavity, finish the release, go round and begin again; The working procedure of other three covers compression actuator is identical therewith, work phase intervals 90 degree.
Embodiment two: referring to Fig. 4 and Fig. 5, miniature balanced type non-lubricated compressor, this embodiment and embodiment one are similar, also by around main shaft 10 radially 360 the degree equally distributed quadruplet compressing mechanism form, two relative covers of position are one group, every group of shared bearing 12.Its difference is: the terminal bifurcated of connecting rod second 13, walk around the end of connecting rod first 7 from outer shroud, and be connected to annular by two flat boards 8 of both sides, and be hinged on the stage casing of connecting rod first 7.Other structure is identical with embodiment one with working procedure, no longer describes in detail.
Embodiment three: referring to Fig. 6, miniature balanced type oil-free lubrication compression, with embodiment one difference be this embodiment by around main shaft 10 radially the equally distributed six cover compression mechanisms of 360 degree form, bias axis 11 is integrated with main shaft 10, equilibrium block 9 is installed in the two ends of bias axis 11, and complete machine is driven by belt pulley 17 or coupling by motor or internal-combustion engine.Other structure of this embodiment is identical with embodiment one with working procedure, no longer describes in detail.
Embodiment four: referring to Fig. 7, miniature balanced type non-lubricated compressor, by around main shaft 10 radially 360 the degree equally distributed quadruplet compressing mechanism form, be that with embodiment two difference this embodiment's main shaft 10 synthesizes arc bent axle with bias axis 11, equilibrium block 9 is installed in the two ends of bias axis 11, piston 5 is hinged on the top of connecting rod, and complete machine is driven by belt pulley 17 or coupling by motor or internal-combustion engine.Other structure of this embodiment is identical with embodiment two with working procedure, no longer describes in detail.
Claims (7)
1. miniature balanced type non-lubricated compressor, form by the above compressing mechanism of three covers, shared main shaft 10 and casing 14, every cover compresses mechanism by crankshaft-link rod assembly, piston cylinder assembly and the supporting formation of suction and discharge assembly, respectively cover compression mechanism is around radially evenly distribution of 360 degree of main shaft 10, it is characterized in that: the compressing mechanism of even number cover, two relative covers of position are one group, every group of shared bearing 12 is positioned at the end of connecting rod first 7, the end of connecting rod second 13 is hinged on the stage casing of connecting rod first 7, and the bearing 12 of each group is installed on the same bias axis 11 side by side.
2. miniature balanced type non-lubricated compressor as claimed in claim 1, it is characterized in that: as two O shape flat boards 8 of connecting rod second 13 extensions, and be listed in the both sides of connecting rod first 7 ends, and its hollow space is walked around bias axis 11, and terminal stage casing with connecting rod first 7 is hinged.
3. miniature balanced type non-lubricated compressor as claimed in claim 1 is characterized in that: the terminal bifurcated of connecting rod second 13, walk around the end of connecting rod first 7 from outer shroud, and be connected to annular by two flat boards 8 of both sides, and hinged with the stage casing of connecting rod first 7.
4. as claim 2 or 3 described miniature balanced type non-lubricated compressors, it is characterized in that: equilibrium block 9 is positioned at the one or both ends of bias axis 11, has a circular hole to cooperate with main shaft 10 on the bias axis 11, this circular hole parallel with the center line of bias axis 11 but the biasing.
5. miniature balanced type non-lubricated compressor as claimed in claim 4 is characterized in that: compressing mechanism is installed in an end of motor 15, shared main shaft 10.
6. miniature balanced type non-lubricated compressor as claimed in claim 5 is characterized in that: the other end of motor 15 is installed flabellum 16, shared main shaft 10.
7. as claim 2 or 3 described miniature balanced type non-lubricated compressors, it is characterized in that: equilibrium block 9 is positioned at the one or both ends of bias axis 11, bias axis 11 parallel with the center line of main shaft 10 but the biasing, both are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320113263 CN2656672Y (en) | 2003-11-20 | 2003-11-20 | Miniature balanced oilless lubricating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320113263 CN2656672Y (en) | 2003-11-20 | 2003-11-20 | Miniature balanced oilless lubricating compressor |
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| Publication Number | Publication Date |
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| CN2656672Y true CN2656672Y (en) | 2004-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320113263 Expired - Fee Related CN2656672Y (en) | 2003-11-20 | 2003-11-20 | Miniature balanced oilless lubricating compressor |
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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 |
-
2003
- 2003-11-20 CN CN 200320113263 patent/CN2656672Y/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 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |