CN201236799Y - Translational rotating compression device - Google Patents
Translational rotating compression device Download PDFInfo
- Publication number
- CN201236799Y CN201236799Y CNU2008201216802U CN200820121680U CN201236799Y CN 201236799 Y CN201236799 Y CN 201236799Y CN U2008201216802 U CNU2008201216802 U CN U2008201216802U CN 200820121680 U CN200820121680 U CN 200820121680U CN 201236799 Y CN201236799 Y CN 201236799Y
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- cylinder body
- translation
- slide plate
- piston
- compressing device
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Abstract
The utility model belongs to the field of the gas compression, the fluid transportation and the vacuum pumping, and particularly relates to a rotary compressing machine provided with a translational piston. A translational rotary compression device comprises a cylinder body, a translational piston and an eccentric rotor, wherein the eccentric rotor is arranged in the cylinder body, the translational piston is arranged on the eccentric rotor, the translational piston is movably connected with the eccentric rotor, the rotation center of the eccentric rotor shares an identical center with the cylinder body, the lateral surface of the translational piston keeps in contact with the inner side surface of the round cylinder body to from a crescent-shaped working chamber, a slide plate is hinged with the inner wall of the cylinder body, the a slide plate groove is radially formed on the translational piston, the slide plate passes through the crescent-shaped working chamber and extends into the slide plate groove, the slide plate is connected with the slide plate groove in a sliding manner, the working chamber is divided into an expansion chamber and a compression chamber by the slide plate, and a suction inlet and a discharge outlet are respectively arranged on the expansion chamber and the compression chamber. The utility model has the advantages that the volumetric efficiency is remarkably improved, the reliability of the machine is enhanced, the friction loss is reduced, and the mechanical efficiency is also improved.
Description
Technical field
The utility model relates in gas compression, FLUID TRANSPORTATION and vacuumizes the field, relates in particular to a kind of rotary compressor tool with translation piston.
Background technique
Gas compressor, fluid pump and vacuum pump are important universal compressed machinery.At present, rolling piston compressor tool and rotor compression machinery all have a selenodont active chamber as the representative of second generation compressed machinery; By slide plate selenodont active chamber is isolated into expansion chamber and compression chamber; Revolution part (rotor or translation piston) makes the volume-variation of expansion chamber and compression chamber, realizes air-breathing (liquid) and the exhaust (liquid) of compressed machinery.But all there is a problem in these two kinds of compressed machinerys, and promptly slide plate stretches in the active chamber and isolates expansion chamber and compression chamber by contacting with cylinder body or rotor (piston), and this contact is the line contact, and surface of contact has very high relative velocity simultaneously; These two factors have determined that the type compressed machinery can not bear very big pressure reduction, and friction wear is serious; Can cause slide plate and cylinder body or rotor (piston) surface isolation when serious, make seal failure.
Daikin Ind Ltd proposes a kind of swing compressor tool (number of patent application 94191130.6) the nineties in last century, and piston and slide plate are integral, and slide plate passes active chamber and enters in the cylinder body of being with guide rail, and active chamber is divided into expansion chamber and compression chamber.Guide rail can shake along cylinder body, and slide plate can move reciprocatingly in guide rail, shakes compression thereby make piston do under rotor driven.This structure decrease wearing and tearing and leak, obtained some utilizations in the refrigerant compression industry.But its piston and slide plate are one, are difficult to processing; The inboard to-and-fro motion space that needs to reserve slide plate of cylinder body makes cylinder body bulky, easy deformation; Because structural limitations, machine produces during work the heat of compression and frictional heat can't be discharged fast, and heat dispersion is poor.
Summary of the invention
In order to solve the above-mentioned technical problem that compressed machinery ran into, a purpose of the present utility model provides a kind of translation rotating compressing device, and it has characteristics simple in structure, high working efficiency.Another one purpose of the present utility model provides the application of above-mentioned translation rotating compressing device.
In order to realize first above-mentioned purpose, the utility model has adopted following technological scheme:
Translation rotating compressing device, this device comprises cylinder body, translation piston and eccentric rotor, eccentric rotor is arranged in the cylinder body, the translation piston is arranged on the eccentric rotor, the movable connection between translation piston and the eccentric rotor, the rotating center of eccentric rotor is concentric with cylinder body, it is tangent with circular cylinder body inner side surface that the outer side surface of translation piston keeps, be formed with selenodont active chamber, the hinged slide plate that is provided with of inboard wall of cylinder block, the footpath of translation piston upwards is provided with skateboards slot, slide plate passes active chamber and extend in the skateboards slot, slide plate and skateboards slot are slidingly connected, and slide plate is separated into expansion chamber and compression chamber with active chamber, are respectively equipped with suction port and exhaust port on expansion chamber and the compression chamber.
The working principle of said apparatus is as follows: eccentric rotor drives the translation piston along the inboard wall of cylinder block translation, and owing to the constraint of hinged slide plate, it does the swing of certain amplitude again with respect to cylinder body simultaneously.This compound motion makes active chamber clocklike change, and in an operation cycle, it is big that the expansion chamber volume becomes, and realizes air-breathing (liquid); The compression chamber volume diminishes, and realizes exhaust (liquid), has finished suction (liquid) process.
As preferably, connect by sliding bearing or rolling bearing between above-mentioned translation piston and the eccentric rotor.Connect by sliding bearing or rolling bearing, reduced frictional loss between translation piston and the eccentric rotor, improved mechanical efficiency.
As preferably, above-mentioned inboard wall of cylinder block is provided with Baltimore groove, and the termination of described slide plate is provided with the cylindricality plush copper, and the activity of cylindricality plush copper is contained in the hinging structure that forms slide plate and inboard wall of cylinder block in the Baltimore groove.Above-mentioned structure has simple in structure, reliable and stable characteristics.1/3 circumference as preferred again, above-mentioned Baltimore groove is communicated with circular cylinder body.
As preferably, above-mentioned translation piston comprises inner wall and outer wall, and inner wall is connected with the connecting plate of outer wall by some radial settings, is formed with heat dissipation channel between the connecting plate.Said structure has increased cooling system, has improved radiating effect and compression efficiency.
As preferably, above-mentioned translation piston is provided with two connecting plates with parallel surface, and described skateboards slot is formed between two connecting plates.Above-mentioned structure has simple in structure, reliable and stable characteristics.
As preferably, the outer ring of above-mentioned cylinder body is provided with some radiating fins.
In order to realize second above-mentioned purpose, compression set of the present utility model can be used as compressor, fluid pump and vacuum pump and uses.
The utility model has following characteristics owing to adopted above technological scheme:
1. make contacting between slide plate and the cylinder body (piston) become present face contact, greatly reduced leakage from the traditional wire contact;
2. by slide plate constraint translation piston, make its motion mode become the low speed translation from high speed rotating, the speed of related movement of itself and cylinder body has reduced an order of magnitude;
3. increased the heat dissipation channel of translation piston inboard, fast cooling piston;
4. cancelled being used for the spring of pretension slide plate, reduced easily damaged parts.
Effect of the present utility model is: this compressed machinery is compared with the swing compressor tool with rolling piston compressor tool of the same type, leaks to reduce, and volumetric efficiency significantly improves, and can obtain higher delivery pressure; Reduce frictional loss, improved mechanical efficiency; Improve cooling system, improved radiating effect and compression efficiency; Reduce easily damaged partss such as spring and guide rail, improved the reliability of machinery; Adopted the special-shaped slide plate of powder metallurgy, simplified processing technology, made it possess the basis of mass production.
The difference of the utility model and swing compressor tool is: the piston of the revolving compression apparatus of translation piston and slide plate are splits; Have heat dissipation channel and skateboards slot on the piston; Increased bearing between translation piston and the rotor; Slide plate is hinged on the cylinder body, can move reciprocatingly in the skateboards slot on piston; Cancel guide rail, reduced part and leakage way.This structure contrast swing compressor tool is having bigger raising and improvement aspect heat radiation, leakage, course of working ability, machine volume and the number of spare parts.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model translation structure of piston schematic representation.
Fig. 3 is a fundamental diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Translation rotating compressing device as shown in Figure 1, this device comprise cylinder body 1, translation piston 2, eccentric rotor 4, bearing 5 and slide plate 6.Wherein, circular shape cylinder body 1 is fixed, and the outer ring of cylinder body 1 is provided with some radiating fins.Translation piston 2 is arranged in the cylinder body 1, translation piston 2 be arranged on the eccentric rotor 4 and with the large through-hole of cylinder body 1 by the off-centre setting, between translation piston 2 and the eccentric rotor 4 by 5 movable connections of bearing, the rotating center of eccentric rotor 4 is concentric with cylinder body 1, it is tangent with circular cylinder body 1 inner side surface that the outer side surface of translation piston 2 keeps, be formed with a selenodont active chamber 6,7, and translation piston 2 can be around the translation of the center of circle of cylinder body 1.Cylinder body 1 inwall is provided with Baltimore groove 10, and 1/3 circumference of Baltimore groove 10 is communicated with circular cylinder body 1.The termination of described slide plate 6 is provided with cylindricality plush copper 9, and 9 activities of cylindricality plush copper are contained in the hinging structure that forms slide plate 6 and cylinder body 1 inwall in the Baltimore groove 10.
As shown in Figure 2, translation piston 2 comprises inner wall 13 and outer wall 14, inner wall 13 is connected with the connecting plate 15 of outer wall 14 by some radial settings, be formed with heat dissipation channel 16 between the connecting plate 15, and translation piston 2 is provided with between two 15, two connecting plates 15 of connecting plate with parallel surface and is formed with skateboards slot 8.Slide plate 6 passes active chamber 6,7 and extend in the skateboards slot 8, slide plate 6 is slidingly connected with skateboards slot 8, slide plate 6 can to-and-fro motion in skateboards slot 8, and slide plate 6 is separated into expansion chamber 6 and compression chamber 7 with active chamber, is respectively equipped with suction port 11 and exhaust port 12 on expansion chamber 6 and the compression chamber 7.
When eccentric rotor 4 moves along clockwise v direction by bearing 5 driving translation pistons 2, because the constraint of slide plate 6, translation piston 2 can only be that approximate translation is done at the center with the center of circle of cylinder body 1, the volume of expansion chamber 6 becomes big gradually in the movement process, gas (liquid) body in the external world is sucked, the volume of compression chamber 7 diminishes gradually, gas (liquid) body is got rid of, thereby realized air-breathing (liquid) and exhaust (liquid).Heat dissipation channel 16 on the piston can be taken the heat that compression produces out of fast.
Working principle of the present utility model is as shown in Figure 3: the center of circle of translation piston 2 is O
2, the center of circle of cylinder body 1 is O
1, the peak of cylinder body 1 is A, the center of circle of slide plate 6 round ends is O
3When machine run, translation piston 2 is with O
2O
1Be radius, around O
1Do translation, simultaneously again with O
3The center of circle is with O
1O
3Do slight swing for radius, in this process, slide plate 6 is done to-and-fro motion clocklike in skateboards slot 8.The moving direction of definition translation piston 2 is clockwise, with its center of circle O
2Center line O with slide plate 6
1O
3During coincidence the starting point of an operation cycle, angle of rotation a=∠ O
2O
1A.Then a becomes 360 ° from 0 ° in one-period; In the time of a=0 °, active chamber is in suction and discharge (liquid) done state of one-period; Along with the increase of a, the new expansion chamber 6 that forms becomes greatly gradually, begins gas (liquid) body in the external world is sucked; And the expansion chamber 6 of last one-period begins sealing, changes the compression chamber 7 of cost operation cycle, and gas (liquid) body is discharged; During to a=360 °, air-breathing (liquid) process of one-period and exhaust (liquid) process are finished.So circulate, realized suction and discharge (liquid) process of translation rotary compressor tool.
Claims (10)
1. translation rotating compressing device, this device comprises cylinder body (1), translation piston (2) and eccentric rotor (4), eccentric rotor (4) is arranged in the cylinder body (1), translation piston (2) is established on the eccentric rotor (4), the movable connection between translation piston (2) and the eccentric rotor (4), the rotating center of eccentric rotor (4) is concentric with cylinder body (1), it is tangent with circular cylinder body (1) inner side surface that the outer side surface of translation piston (2) keeps, be formed with selenodont active chamber (6,7), it is characterized in that: the hinged slide plate (3) that is provided with of cylinder body (1) inwall, the footpath of translation piston (2) upwards is provided with skateboards slot (8), slide plate (3) passes active chamber and extend in the skateboards slot (8), slide plate (3) is slidingly connected with skateboards slot (8), slide plate (3) is separated into expansion chamber (6) and compression chamber (7) with active chamber, is respectively equipped with suction port (11) and exhaust port (12) on expansion chamber (6) and the compression chamber (7).
2. translation rotating compressing device according to claim 1 is characterized in that: connect by sliding bearing or rolling bearing between translation piston (2) and the eccentric rotor (4).
3. translation rotating compressing device according to claim 1, it is characterized in that: cylinder body (1) inwall is provided with Baltimore groove (10), the termination of described slide plate (3) is provided with cylindricality plush copper (9), and cylindricality plush copper (9) activity is contained in the hinging structure that forms slide plate (3) and cylinder body (1) inwall in the Baltimore groove (10).
4. translation rotating compressing device according to claim 3 is characterized in that: 1/3 circumference of Baltimore groove (10) is communicated with circular cylinder body (1).
5. translation rotating compressing device according to claim 1, it is characterized in that: translation piston (2) comprises inner wall (13) and outer wall (14), inner wall (13) is connected with the connecting plate (15) of outer wall (14) by some radial settings, is formed with heat dissipation channel (16) between the connecting plate (15).
6. translation rotating compressing device according to claim 5 is characterized in that: translation piston (2) is provided with two connecting plates (15) with parallel surface, and described skateboards slot (8) is formed between two connecting plates (15).
7. translation rotating compressing device according to claim 1 is characterized in that: the outer ring of cylinder body (1) is provided with some radiating fins.
8. according to any described translation rotating compressing device of claim of claim 1～7, it is characterized in that: described translation rotating compressing device is a compressor.
9. according to any described translation rotating compressing device of claim of claim 1～7, it is characterized in that: described translation rotating compressing device is a fluid pump.
10. according to any described translation rotating compressing device of claim of claim 1～7, it is characterized in that: described translation rotating compressing device is a vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201216802U CN201236799Y (en) | 2008-07-22 | 2008-07-22 | Translational rotating compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201216802U CN201236799Y (en) | 2008-07-22 | 2008-07-22 | Translational rotating compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236799Y true CN201236799Y (en) | 2009-05-13 |
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ID=40649539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201216802U Expired - Lifetime CN201236799Y (en) | 2008-07-22 | 2008-07-22 | Translational rotating compression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236799Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564687A (en) * | 2014-12-24 | 2015-04-29 | 南通汉瑞压缩机科技有限公司 | Translational rotary compressor lubricating oil way system and oil path thereof |
| CN108843576A (en) * | 2018-06-19 | 2018-11-20 | 广东美芝制冷设备有限公司 | Piston, compressor and refrigeration equipment |
-
2008
- 2008-07-22 CN CNU2008201216802U patent/CN201236799Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564687A (en) * | 2014-12-24 | 2015-04-29 | 南通汉瑞压缩机科技有限公司 | Translational rotary compressor lubricating oil way system and oil path thereof |
| CN104564687B (en) * | 2014-12-24 | 2019-01-01 | 南通益瑞祥科技咨询有限公司 | A kind of translation rotary type compressor lubricant passage way system and its oil circuit path |
| CN108843576A (en) * | 2018-06-19 | 2018-11-20 | 广东美芝制冷设备有限公司 | Piston, compressor and refrigeration equipment |
| CN108843576B (en) * | 2018-06-19 | 2019-11-15 | 广东威灵汽车部件有限公司 | Piston, compressor and refrigeration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee after: Compressor Xinlei Limited by Share Ltd Address before: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee before: Wenling Xinlei Air Compressor Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |