CN101368567B - Frame head apparatus of translational rotary compressor - Google Patents
Frame head apparatus of translational rotary compressor Download PDFInfo
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- CN101368567B CN101368567B CN2008101211165A CN200810121116A CN101368567B CN 101368567 B CN101368567 B CN 101368567B CN 2008101211165 A CN2008101211165 A CN 2008101211165A CN 200810121116 A CN200810121116 A CN 200810121116A CN 101368567 B CN101368567 B CN 101368567B
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Abstract
The invention relates to the air compression, fluid conveying and the evacuation fields, in particular to a rotary compression machine with a translational piston; the machine head device of the translational rotary compression device comprises a cylinder body, a crankshaft, a transmission wheel, a sliding plate, a translational piston; the transmission wheel is arranged on one end of the crankshaft; the middle part of the crankshaft is provided with an eccentric rotor; the rotary center of the eccentric rotor is concentric with the cylinder body; the translational piston is arranged on the eccentric rotor and is movably connected with the eccentric rotor; the lateral surface of the translational piston is tangent with the inner lateral surface of the cylinder body, so as to form a crescent-shaped operation cavity; one end of the sliding plate is hinged on the inner wall of the cylinder body; a sliding plate groove is arranged on the translational piston in the radial direction; the other end of the sliding plate is extended to the sliding plate groove through the operation cavity; the sliding plate is movably connected with the sliding plate groove the operation cavity is divided into an expansion cavity and a compression cavity by the sliding plate; a suction port and a discharge port are respectively on the expansion cavity and the compression cavity; The rotary compression machine with a translational piston has the advantages of simple structure and high operation efficiency.
Description
Technical field
The present invention relates in gas compression, FLUID TRANSPORTATION and vacuumize the field, relate 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.
For this reason, the claimant has applied for that (application number is: 200810063188.9) in the Chinese invention patent application, a kind of translation rotating compressing device is wherein disclosed, 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 effect of this invention is: volumetric efficiency significantly improves, and improves mechanical reliability, has reduced frictional loss, has improved mechanical efficiency.
Summary of the invention
In order to solve the above-mentioned technical problem that compressed machinery ran into, an object of the present invention is to provide a kind of frame head apparatus of translational rotary compressor, it has characteristics simple in structure, high working efficiency.Another object of the present invention provides the application of the frame head apparatus of above-mentioned translational rotary compressor.
In order to realize first above-mentioned purpose, the present invention has adopted following technological scheme:
The frame head apparatus of translational rotary compressor, this device comprise cylinder body, bent axle, drive wheel, slide plate and translation piston; Bent axle is arranged in the cylinder body by bearing, and drive wheel is arranged on an end of bent axle, and the bent axle middle part is provided with eccentric rotor, and the rotating center of eccentric rotor is concentric with cylinder body; The translation piston is arranged on the eccentric rotor, the movable connection between translation piston and the eccentric rotor, the outer side surface of translation piston keep and the cylinder body inner side surface tangent, be formed with selenodont active chamber; The hinged inboard wall of cylinder block that is arranged on of one end of slide plate, the footpath of translation piston upwards is provided with skateboards slot, the other end of slide plate passes active chamber and extend in the skateboards slot, slide plate and skateboards slot are slidingly connected, slide plate is separated into expansion chamber and compression chamber with active chamber, is 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, above-mentioned cylinder body two ends are respectively arranged with left end cap and right end cap, are respectively equipped with piston baffle between left end cap, right end cap and the cylinder body, seal between the both ends of the surface of translation piston and the piston baffle.Said structure has the characteristics easy for installation of producing.
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, seals between the both ends of the surface of slide plate and the piston baffle.Above-mentioned structure has simple in structure, reliable and stable characteristics.As preferred again, Baltimore groove has at least 1/4 circumference to be communicated with circular cylinder body, and the both ends of the surface of slide plate are respectively equipped with seal ring.
As preferably, the translation piston comprises inner wall and outer wall, and the both ends of the surface of outer wall are respectively arranged with circumferential mounting groove, are provided with seal ring in the mounting groove.
As preferably, above-mentioned 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.Preferred as other, connect by fixed panel between above-mentioned inner wall and the outer wall, fixed panel is provided with some heat radiation through holes.Said structure has increased cooling system, has improved radiating effect and compression efficiency.
As preferably, be formed with cavity between above-mentioned left end cap, right end cap and the piston baffle respectively, bent axle is respectively equipped with equilibrium block in cavity.Equilibrium block makes compressor operating stable more, reliable.
As preferably, the bottom of above-mentioned cylinder body is provided with oil groove, and described oil groove is communicated with two cavitys, and is provided with oil ga(u)ge and resuscitation apparatus on right end cap.Lubricant oil is housed in the oil groove, and lubricant oil plays lubrication on the one hand, also can play cooling action on the other hand.
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.
Compressor of the present invention can be used as air compressor, fluid pump and vacuum pump and uses.
The present invention 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 invention 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 present invention 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 invention.
Fig. 2 is the A-A sectional view among Fig. 1.
Fig. 3 is the translation structure of piston schematic representation of the embodiment of the invention 1.
Fig. 4 is the B-B sectional view among Fig. 3.
Fig. 5 is the translation structure of piston schematic representation of the embodiment of the invention 2.
Fig. 6 is the C-C sectional view among Fig. 5.
Fig. 7 is the side structure schematic representation of slide plate.
Fig. 8 is the end-face structure schematic representation of slide plate.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1
The frame head apparatus of translational rotary compressor as shown in Figure 1, this device comprises cylinder body 4, bent axle 6, drive wheel 1, slide plate 5 and translation piston 8, cylinder body 4 two ends are respectively arranged with left end cap 2 and right end cap 7, be respectively equipped with piston baffle 3 between left end cap 2, right end cap 7 and the cylinder body 4, left end cap 2, right end cap 7, cylinder body 4 and piston baffle 3 are bolted to connection, and are respectively equipped with the seal ring sealing between left end cap 2 and piston baffle 3, right end cap 7 and piston baffle 3, cylinder body 4 and the piston baffle 3.As shown in Figure 1, be formed with cavity respectively between left end cap 2, right end cap 7 and piston baffle 3, the bottom of cylinder body 4 is provided with oil groove 18, and described oil groove 18 is communicated with two cavitys, and is provided with oil ga(u)ge 13 and resuscitation apparatus 19 on right end cap 7.
As shown in Figure 1, bent axle 6 is arranged on left end cap 2 and the right end cap 7 by bearing 11, bearing 11 left ends of left end cap 2 are provided with oil seal washer 12, bent axle 6 is respectively equipped with equilibrium block 62 in cavity, the middle part of bent axle 6 is provided with eccentric rotor 61, and the rotating center of eccentric rotor 61 is concentric with cylinder body 4, and translation piston 8 is arranged on the eccentric rotor 61, by 63 movable connections of needle bearing, translation piston 8 can be around the translation of the center of circle of cylinder body 4 between translation piston 8 and the eccentric rotor 61.Drive wheel 1 is arranged on an end of bent axle 6, and drive wheel 1 is a belt pulley, and belt pulley can connect motor.
As shown in Figure 2, it is tangent with cylinder body 4 inner side surfaces that the outer side surface of translation piston 8 keeps, and sealing is formed with selenodont active chamber 21; Hinged cylinder body 4 inwalls that are arranged on of one end of slide plate 5, the footpath of translation piston 8 upwards is provided with skateboards slot 81, the other end of slide plate 5 passes active chamber 21 and extend in the skateboards slot 81, slide plate 5 is slidingly connected with skateboards slot 81, slide plate 5 is separated into expansion chamber 23 and compression chamber 22 with active chamber 21, is respectively equipped with suction port 42 and exhaust port 41 on expansion chamber 23 and the compression chamber 22.
As shown in Figure 3, Figure 4, translation piston 8 comprises inner wall 84 and outer wall 82, inner wall 84 is connected with the connecting plate 83 of outer wall 82 by some radial settings, be formed with heat dissipation channel 86 between the connecting plate 83, and translation piston 8 is provided with two connecting plates 83 with parallel surface, between 81 two connecting plates 83 of above-mentioned skateboards slot.The both ends of the surface of outer wall 82 are respectively arranged with circumferential mounting groove 85, are provided with seal ring 9 in the mounting groove 85, seal by seal ring 9 respectively between outer wall 82 and two piston baffles 3.
As shown in Figure 2, cylinder body 4 inwalls are provided with Baltimore groove 43, and 1/3 circumference of Baltimore groove 43 is communicated with circular cylinder body 4.As Fig. 7, shown in Figure 8, the termination of slide plate 5 is provided with cylindricality plush copper 51, and the both ends of the surface of slide plate 5 are respectively equipped with seal ring 52.51 activities of cylindricality plush copper are contained in the hinging structure that forms above-mentioned slide plate 5 and cylinder body 4 inwalls in the Baltimore groove 43, seal by seal ring 52 between the both ends of the surface of slide plate 5 and the piston baffle 3.
When eccentric rotor 61 moves along clockwise v direction by bearing 63 driving translation pistons 8, because the constraint of slide plate 5, translation piston 8 can only be that approximate translation is done at the center with the center of circle of cylinder body 4, the volume of expansion chamber 23 becomes big gradually in the movement process, gas (liquid) body in the external world is sucked, the volume of compression chamber 22 diminishes gradually, gas (liquid) body is got rid of, thereby realized air-breathing (liquid) and exhaust (liquid).
The working principle of this patent and application number are that 200810063188.9 patent application is identical.
As Fig. 5, shown in Figure 6, translation piston 8 comprises inner wall 84 and outer wall 82, connects by fixed panel 87 between inner wall 84 and the outer wall 82, and fixed panel 87 is provided with some heat radiation through holes 88.Other structure characteristic is identical with embodiment 1.
Claims (5)
1. the frame head apparatus of translational rotary compressor, it is characterized in that: this device comprises cylinder body (4), bent axle (6), drive wheel (1), slide plate (5) and translation piston (8); Bent axle (6) is arranged in the cylinder body (4) by bearing (12), and drive wheel (1) is arranged on an end of bent axle (6), and bent axle (6) middle part is provided with eccentric rotor (61), and the rotating center of eccentric rotor (61) is concentric with cylinder body (4); Translation piston (8) is arranged on the eccentric rotor (61), the movable connection between translation piston (8) and the eccentric rotor (61), the outer side surface of translation piston (8) keep and cylinder body (4) inner side surface tangent, be formed with selenodont active chamber (21); One end of slide plate (5) is hinged to be arranged on the inwall of cylinder body (4), cylinder body (4) inwall is provided with Baltimore groove (43), the termination of described slide plate (5) is provided with cylindricality plush copper (51), cylindricality plush copper (51) activity is contained in the hinging structure that forms slide plate (5) and cylinder body (4) inwall in the Baltimore groove (43), the footpath of translation piston (8) upwards is provided with skateboards slot (81), the other end of slide plate (5) passes active chamber and extend in the skateboards slot (81), slide plate (5) is slidingly connected with skateboards slot (81), slide plate (5) is separated into expansion chamber (23) and compression chamber (22) with active chamber, is respectively equipped with suction port (42) and exhaust port (41) on expansion chamber (23) and the compression chamber (22); Described cylinder body (4) two ends are respectively arranged with left end cap (2) and right end cap (7), be respectively equipped with piston baffle (3) between left end cap (2), right end cap (7) and the cylinder body (4), sealing between the both ends of the surface of translation piston (8) and the piston baffle (3), and sealing between the both ends of the surface of slide plate (5) and the piston baffle (3); Described translation piston (8) comprises inner wall (84) and outer wall (82), and the both ends of the surface of outer wall (82) are respectively arranged with circumferential mounting groove (85), is provided with seal ring (9) in the mounting groove (85); Described inner wall (84) is connected with the connecting plate (83) of outer wall (82) by some radial settings, is formed with heat dissipation channel (86) between the connecting plate (83).
2. the frame head apparatus of translational rotary compressor according to claim 1 is characterized in that: Baltimore groove (43) has at least 1/4 circumference to be communicated with circular cylinder body (4), and the both ends of the surface of slide plate (5) are respectively equipped with seal ring (52).
3. the frame head apparatus of translational rotary compressor according to claim 1, it is characterized in that: be formed with cavity respectively between left end cap (2), right end cap (7) and the piston baffle (3), bent axle (6) is respectively equipped with equilibrium block (62) in cavity.
4. the frame head apparatus of translational rotary compressor according to claim 3, it is characterized in that: the bottom of cylinder body (4) is provided with oil groove (18), described oil groove (18) is communicated with two cavitys, and is provided with oil ga(u)ge (13) and resuscitation apparatus (19) on right end cap (7).
5. according to the frame head apparatus of any described translational rotary compressor of claim of claim 1～4, it is characterized in that: connect by sliding bearing or rolling bearing between translation piston (8) and the eccentric rotor (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101211165A CN101368567B (en) | 2008-10-09 | 2008-10-09 | Frame head apparatus of translational rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101211165A CN101368567B (en) | 2008-10-09 | 2008-10-09 | Frame head apparatus of translational rotary compressor |
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| Publication Number | Publication Date |
|---|---|
| CN101368567A CN101368567A (en) | 2009-02-18 |
| CN101368567B true CN101368567B (en) | 2011-02-09 |
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| CN2008101211165A Active CN101368567B (en) | 2008-10-09 | 2008-10-09 | Frame head apparatus of translational rotary compressor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328890B (en) * | 2008-07-22 | 2010-12-08 | 温岭市鑫磊空压机有限公司 | Translation type rotary compressing device |
| CN103821715B (en) * | 2014-01-15 | 2016-06-08 | 卞雨花 | Translation revolving compressor mechanical |
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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. |