CN202001299U - Rotary air compressor - Google Patents
Rotary air compressor Download PDFInfo
- Publication number
- CN202001299U CN202001299U CN2011201039227U CN201120103922U CN202001299U CN 202001299 U CN202001299 U CN 202001299U CN 2011201039227 U CN2011201039227 U CN 2011201039227U CN 201120103922 U CN201120103922 U CN 201120103922U CN 202001299 U CN202001299 U CN 202001299U
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- hole
- stator
- rotor
- equilateral triangle
- rotating shaft
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Abstract
The utility model relates to a rotary air compressor. A cylinder shell is formed by fixedly connecting a stator of which the cross section is provided with a cycloidal hole with a front end cover and a rear end cover through screws; the center of the stator is provided with a rotating wheel with an eccentric wheel; an equilateral triangular rotor is arranged in the cycloidal hole of the stator; a stepped hole is formed in the center of the rotor; the radius of a small-diameter section of the stepped hole is greater than the radius of a fixed gear; the small-diameter section is provided with internal teeth which are meshed with the fixed gear fixedly connected to the stator to form an epitrochoidal hole; the eccentric wheel on the rotating shaft is matched with a large-diameter section of the stepped hole of the rotor; three corners of the rotor are respectively provided with an elastic closing block for separating the cycloidal hole of the stator into two air compression cavities; the air inlet and the air outlet of each air compression cavity are symmetrically formed on the wall of the stator; the air inlets and the air outlets of the two air compression cavities are opposite to each other; and each air inlet and each air outlet are respectively provided with a one-way valve. The rotary air compressor finishes air suction and exhaust by rotating the rotor, has large exhaust volume and low noise, power loss and manufacturing cost, and is convenient to maintain.
Description
Technical field
The utility model relates to a kind of air compressor, particularly a kind of rotary air compressor.
Background technique
Existing air compressor is mostly for driving the structure that piston moves reciprocatingly by crankshaft ﹠ connecting, the piston to-and-fro motion in cylinder causing volume of cylinder changes finishes air-breathing, exhaust process, because the straight line motion frictional force of piston in cylinder is big, the power of compressor nearly 30% can lose.The screw type single-stage air compressor that is rotated in cylinder by a pair of yin, yang screw rod (rotor) that is parallel to each other engagement is also arranged, this air compressor is that the tooth, the air between the groove that make the yin, yang screw rod constantly produce periodic volume-variation, air then is delivered to outlet side along rotor axis by the suction side, realize the overall process of air-breathing, compression and exhaust, the suction port of air compressor and air outlet lay respectively at the two ends of housing.The a pair of yin, yang screw rod that is parallel to each other engagement of this air compressor is located in the housing, and its structure is comparatively complicated, and the noise that intermeshing yin, yang screw rod produces when rotated is bigger, is unfavorable for environmental protection; And dismounting is complicated, and maintenance is extremely inconvenient.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of rotary air compressor is provided.It is the stator in cycloid hole by truncation surface, be arranged on the equilateral triangle rotor in the stator cycloid hole, be provided with eccentric rotating shaft, be fixed on the fixed gear on the end cap, and the epitrochanterian epitrochoid of equilateral triangle hole, assembled group is synthesized the rotary air compressor, finishes air-breathing, exhaust process by the rotor rotation, and noise is little, air displacement is big, power loss is little, and fabricating cost is low, and is easy to maintenance.
The purpose of this utility model is achieved in that and comprises cylinder shell, described cylinder shell by be provided with truncation surface be the cycloid hole stator and before, rear end cover connects and composes by screw, the center, cycloid hole of described stator is provided with one and is with eccentric rotating shaft, before the two ends of described rotating shaft are supported in rotationally, rear end cover, fixed gear of described rotating shaft front end Spielpassung, this fixed gear is fixedlyed connected with front cover, an equilateral triangle rotor is arranged in the cycloid hole of stator, described equilateral triangle rotor is slidingly matched with the front and rear covers inwall and contacts, this equilateral triangle centre of rotor is provided with shoulder hole, the path section of this shoulder hole is provided with internal tooth and fixed gear engagement, path section radius forms the epitrochoid hole greater than the fixed gear radius, the big footpath section of this shoulder hole and the eccentric wheel concentric of rotating shaft, eccentric wheel in the described rotating shaft cooperates with the big footpath of the shoulder hole section of equilateral triangle rotor, be used to drive the rotation of equilateral triangle rotor, three angles of described equilateral triangle rotor are respectively equipped with the enclosed elastic piece that is used for the cycloid hole of stator is isolated into two air compression chambeies, the inlet hole in each air compression chamber and exhaust port are symmetricly set on the stator wall, the inlet hole in two air compression chambeies and exhaust port position opposite, each inlet hole, exhaust port is equipped with one-way valve.
Three angles of described equilateral triangle rotor are respectively equipped with the opening slot that is used to install the enclosed elastic piece, and the enclosed elastic piece is installed in the opening slot, and the end of enclosed elastic piece is exposed opening slot and contacted with the cycloid hole wall of stator.
Described opening slot is provided with seam.
Described enclosed elastic piece comprises sealing slide block and spring, and the sealing slide block is slidingly fitted in the opening slot of equilateral triangle rotor, and spring is located between sealing slide block and the opening slot bottom land.
Described spring is a leaf spring.
The cycloid hole wall of described stator and forward and backward end cap inwall are provided with the titanizing layer.
The big footpath of the shoulder hole of described equilateral triangle rotor section is provided with copper sheathing, and the eccentric wheel of rotating shaft is engaged in the copper sheathing.
Described cylinder shell comprises a plurality of stators that axially are arranged side by side, the isolation end cap is set between each stator forms a plurality of inner chambers, an equilateral triangle rotor is respectively installed in the cycloid hole of each stator, a rotating shaft runs through each stator and rotor, the internal tooth of the shoulder hole path section of each equilateral triangle rotor be fixedly connected on the end cap fixed gear engagement, path section radius forms the epitrochoid hole greater than the fixed gear radius, the big footpath of the shoulder hole of each equilateral triangle rotor section cooperates with the corresponding eccentric wheel that is arranged in the rotating shaft respectively, the cycloid hole of each stator all is isolated into two air compression chambeies by the equilateral triangle rotor, the inlet hole in each air compression chamber and exhaust port are symmetricly set on this stator wall, constitute multi-cavity rotary air compressor thus.
Owing to adopted such scheme, the utility model rotary air compressor has the following advantages:
It is the cycloid hole that stator is provided with truncation surface, the equilateral triangle rotor is set in the cycloid hole, the equilateral triangle rotor cooperates with the eccentric wheel of rotating shaft, eccentric wheel by rotating shaft drives the rotation of equilateral triangle rotor, equilateral triangle rotor and fixed gear engagement simultaneously forms cycloid motion, in the rotation of the cycloid hole of stator, three angles by the equilateral triangle rotor are isolated into two air compression chambeies with the cycloid hole of stator, alternately suck air, pressurized air and discharge pressurized gas.The rotor high-speed rotation is steady, and power loss is little, compares with existing air compressor, can save power 30%, and air displacement is big.
Three angles of described equilateral triangle rotor are respectively equipped with the enclosed elastic piece that is used for the cycloid hole of stator is isolated into two air compression chambeies, this enclosed elastic piece is when rotor rotates, can form flexible contact seal with stator wall, the cycloid hole of stator is isolated into two air compression chambeies, can reduce the friction between rotor and the stator again, reduce power loss.
Because cylinder shell is connected and composed by screw by stator and forward and backward end cap, be with eccentric rotating shaft two ends to be supported in forward and backward end cap rotationally, fixed gear of rotating shaft front end Spielpassung, this fixed gear is fixedlyed connected with front cover, the path section of the shoulder hole of equilateral triangle rotor is provided with internal tooth and fixed gear engagement, the big footpath section of shoulder hole cooperates with the eccentric wheel of rotating shaft, assembles simple and conveniently, is convenient to dismounting maintenance.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional structure chart;
Fig. 3 is a stator structure schematic representation of the present utility model;
Fig. 4 is that the B-B of Fig. 3 is to sectional view;
Fig. 5 is a rotor structure schematic representation of the present utility model;
Fig. 6 is that the C-C of Fig. 5 is to sectional structure chart;
Fig. 7 is the structural representation of rotating shaft of the present utility model;
Fig. 8 installs the schematic representation of enclosed elastic piece for rotor.
In the accompanying drawing, 1 is stator, and 1a is the cycloid hole, and 2 is front cover, 3 is rear end cover, and 4 is rotor, and 5 is fixed gear, and 6 are rotating shaft, 7 is eccentric wheel, and 8a, 8b are the air compression chamber, and 9 is bearing, and 10 is exhaust port, 11 is one-way valve, and 12 is spring, and 13 is the elastic packing piece, and 13a is the sealing slide block, 14 is shoulder hole, and 14a is the path section, and 14b is a big footpath section, 15 is opening slot, and 15a is a seam, and 16 is inlet hole.
Embodiment
Referring to Fig. 1 to Fig. 8, a kind of embodiment of rotary air compressor, comprise cylinder shell, described cylinder shell connects and composes by screw by being provided with stator 1 that truncation surface is cycloid hole 1a and front cover 2, rear end cover 3, and the cycloid hole 1a wall and the forward and backward end cap inwall of described stator 1 are provided with the titanizing layer.The 1a center, cycloid hole of described stator 1 is provided with the rotating shaft 6 of a band eccentric wheel 7, before the two ends of described rotating shaft are supported in rotationally, rear end cover, fixed gear 5 of described rotating shaft 6 front end Spielpassung, this fixed gear 5 is connected with front cover 2 usefulness screws or dowel fixes, the rear end of rotating shaft 6 is supported in rear end cover 3 and overhanging by bearing 9, an equilateral triangle rotor 4 is arranged in the cycloid hole of stator, described equilateral triangle rotor 4 with before, the contact that is slidingly matched of rear end cover inwall, the center of this equilateral triangle rotor 4 is provided with shoulder hole 14, the path section 14a of this shoulder hole 14 is provided with internal tooth and fixed gear 5 engagements, path section radius 14a forms the epitrochoid hole greater than fixed gear 5 radiuses, the big footpath section 14b of this shoulder hole and eccentric wheel 7 concentrics of rotating shaft, eccentric wheel 7 in the described rotating shaft 6 cooperates with the big footpath of the shoulder hole section 14b of equilateral triangle rotor 4, be used to drive 4 rotations of equilateral triangle rotor, the big footpath of the shoulder hole of equilateral triangle rotor 4 section 14b also can be provided with copper sheathing, and the eccentric wheel 7 of rotating shaft 6 is engaged in the copper sheathing.Three angles of described equilateral triangle rotor 4 are respectively equipped with the enclosed elastic piece 13 that is used for the cycloid hole 1a of stator is isolated into two air compression chambeies, enclosed elastic piece 13 when equilateral triangle rotor 4 at least two angles in rotary course contacts with stator 1 inwall, and the cycloid hole 1a of stator is isolated into two air compression chamber 8a, 8b.Three angles of described equilateral triangle rotor 4 are respectively equipped with the opening slot 15 that is used to install enclosed elastic piece 13, enclosed elastic piece 13 is installed in the opening slot 15, described opening slot is provided with seam 15a, and the end of enclosed elastic piece 13 is exposed opening slot 15 and contacted with the cycloid hole 1a wall of stator 1.Described enclosed elastic piece 13 comprises sealing slide block 13a and spring 12, and sealing slide block 13a is slidingly fitted in the opening slot 15 of equilateral triangle rotor, and spring 12 is located between sealing slide block 13a and opening slot 15 bottom lands, and described spring 12 is a leaf spring.Two air compression chamber 8a, 8b keeping apart by three angles of equilateral triangle rotor 4, the inlet hole 16 in each air compression chamber and exhaust port 10 are symmetricly set on stator 1 wall, the inlet hole 16 in two air compression chambeies and exhaust port 10 position opposite, each inlet hole 16, exhaust port 10 are equipped with one-way valve 11.
When the utility model used, two inlet holes 16 connected by the pipeline air-strainer, and two exhaust ports 10 connect high pressure gas holder by pipeline, and the overhanging end of rotating shaft 6 is connected with motor by driving mechanism, and the overhanging end of rotating shaft also can be provided with fan wheel and be used for cooling.Rotating shaft is rotated under the driving of motor, and rotates in the 1a of the cycloid hole of stator 1 by the 7 drive equilateral triangle rotors 4 of the eccentric wheel in the rotating shaft 6.Because the internal tooth of the central stepped path section 14a of equilateral triangle rotor 4 and fixed gear 5 engagements, path section radius forms the epitrochoid hole greater than the fixed gear radius, equilateral triangle rotor 4 is fricton-tightly rolled along fixed gear 5 outsides, form cycloidal path.When rotor 4 rotation makes an air compression chamber 8a and inlet hole 16 open-minded, the negative pressure that the rotor rotation produces sucks this air compression chamber 8a from inlet hole 16 with clean air, enter the pressure lower compression that the air in the air compression chamber rotates at rotor, when rotor rotation makes this air compression chamber 8a and exhaust port 10 open-minded, pressurized air is transported to high pressure gas holder from exhaust port 10 discharges; When air compressed in an air compression chamber 8a, another air compression chamber 8b and inlet hole 16 were open-minded, sucked air, compressed, and discharged from exhaust port 10 then.So circulation, that rotor rotates a circle is air-breathing, exhaust each 4 times, and two alternately air-breathing, exhausts in air compression chamber provide pressurized air to discharge continuously.
The utility model not only is confined to the foregoing description, described cylinder shell also can comprise a plurality of stators (not shown) that axially are arranged side by side, the isolation end cap is set between each stator forms a plurality of inner chambers, an equilateral triangle rotor is respectively installed in the cycloid hole of each stator, a rotating shaft runs through each stator and rotor, the internal tooth of the shoulder hole path section of each equilateral triangle rotor be fixedly connected on the end cap fixed gear engagement, path section radius forms the epitrochoid hole greater than the fixed gear radius, the big footpath of the shoulder hole of each equilateral triangle rotor section cooperates with the corresponding eccentric wheel that is arranged in the rotating shaft respectively, the cycloid hole of each stator all is isolated into two air compression chambeies by the equilateral triangle rotor, the inlet hole in each air compression chamber and exhaust port are symmetricly set on this stator wall, constitute multi-cavity rotary air compressor thus, make the pressurized gas scale of construction of generation bigger.
Claims (8)
1. rotary air compressor, comprise cylinder shell, it is characterized in that: described cylinder shell by be provided with truncation surface be the cycloid hole stator and before, rear end cover connects and composes by screw, the center, cycloid hole of described stator is provided with one and is with eccentric rotating shaft, before the two ends of described rotating shaft are supported in rotationally, rear end cover, fixed gear of described rotating shaft front end Spielpassung, this fixed gear is fixedlyed connected with front cover, an equilateral triangle rotor is arranged in the cycloid hole of stator, described equilateral triangle rotor is slidingly matched with the front and rear covers inwall and contacts, this equilateral triangle centre of rotor is provided with shoulder hole, the path section of this shoulder hole is provided with internal tooth and fixed gear engagement, path section radius forms the epitrochoid hole greater than the fixed gear radius, the big footpath section of this shoulder hole and the eccentric wheel concentric of rotating shaft, eccentric wheel in the described rotating shaft cooperates with the big footpath of the shoulder hole section of equilateral triangle rotor, be used to drive the rotation of equilateral triangle rotor, three angles of described equilateral triangle rotor are respectively equipped with the enclosed elastic piece that is used for the cycloid hole of stator is isolated into two air compression chambeies, the inlet hole in each air compression chamber and exhaust port are symmetricly set on the stator wall, the inlet hole in two air compression chambeies and exhaust port position opposite, each inlet hole, exhaust port is equipped with one-way valve.
2. rotary air compressor according to claim 1, it is characterized in that: three angles of described equilateral triangle rotor are respectively equipped with the opening slot that is used to install the enclosed elastic piece, the enclosed elastic piece is installed in the opening slot, and the end of enclosed elastic piece is exposed opening slot and contacted with the cycloid hole wall of stator.
3. rotary air compressor according to claim 2 is characterized in that: described opening slot is provided with seam.
4. rotary air compressor according to claim 1 and 2, it is characterized in that: described enclosed elastic piece comprises sealing slide block and spring, the sealing slide block is slidingly fitted in the opening slot of equilateral triangle rotor, and spring is located between sealing slide block and the opening slot bottom land.
5. rotary air compressor according to claim 4 is characterized in that: described spring is a leaf spring.
6. rotary air compressor according to claim 1 is characterized in that: the cycloid hole wall of described stator and forward and backward end cap inwall are provided with the titanizing layer.
7. rotary air compressor according to claim 1 is characterized in that: the big footpath of the shoulder hole of described equilateral triangle rotor section is provided with copper sheathing, and the eccentric wheel of rotating shaft is engaged in the copper sheathing.
8. rotary air compressor according to claim 1, it is characterized in that: described cylinder shell comprises a plurality of stators that axially are arranged side by side, the isolation end cap is set between each stator forms a plurality of inner chambers, an equilateral triangle rotor is respectively installed in the cycloid hole of each stator, a rotating shaft runs through each stator and rotor, the internal tooth of the shoulder hole path section of each equilateral triangle rotor be fixedly connected on the end cap fixed gear engagement, path section radius forms the epitrochoid hole greater than the fixed gear radius, the big footpath of the shoulder hole of each equilateral triangle rotor section cooperates with the corresponding eccentric wheel that is arranged in the rotating shaft respectively, the cycloid hole of each stator all is isolated into two air compression chambeies by the equilateral triangle rotor, the inlet hole in each air compression chamber and exhaust port are symmetricly set on this stator wall, constitute multi-cavity rotary air compressor thus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039227U CN202001299U (en) | 2011-04-11 | 2011-04-11 | Rotary air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039227U CN202001299U (en) | 2011-04-11 | 2011-04-11 | Rotary air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001299U true CN202001299U (en) | 2011-10-05 |
Family
ID=44704042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201039227U Expired - Fee Related CN202001299U (en) | 2011-04-11 | 2011-04-11 | Rotary air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001299U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715540A (en) * | 2015-12-23 | 2016-06-29 | 山东创能机械科技有限公司 | Extrusion type eccentric rotor pump and use method thereof |
| CN113757118A (en) * | 2021-10-20 | 2021-12-07 | 聊城大学 | Pump structure, vacuum pump, gas compressor, hydraulic pump and hydraulic motor |
| CN114458596A (en) * | 2022-02-24 | 2022-05-10 | 牛德春 | Self-sealing type rotor compressor |
-
2011
- 2011-04-11 CN CN2011201039227U patent/CN202001299U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715540A (en) * | 2015-12-23 | 2016-06-29 | 山东创能机械科技有限公司 | Extrusion type eccentric rotor pump and use method thereof |
| CN105715540B (en) * | 2015-12-23 | 2017-11-10 | 山东创能机械科技有限公司 | Squash type eccentric rotor water pump and its application method |
| CN113757118A (en) * | 2021-10-20 | 2021-12-07 | 聊城大学 | Pump structure, vacuum pump, gas compressor, hydraulic pump and hydraulic motor |
| CN114458596A (en) * | 2022-02-24 | 2022-05-10 | 牛德春 | Self-sealing type rotor compressor |
| CN114458596B (en) * | 2022-02-24 | 2023-01-13 | 牛德春 | Self-sealing type rotor compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20130411 |