CN103114997B - Swing arm rotation type compressor - Google Patents
Swing arm rotation type compressor Download PDFInfo
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- CN103114997B CN103114997B CN201310041666.7A CN201310041666A CN103114997B CN 103114997 B CN103114997 B CN 103114997B CN 201310041666 A CN201310041666 A CN 201310041666A CN 103114997 B CN103114997 B CN 103114997B
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Abstract
The invention discloses a swing arm rotation type compressor which comprises a housing, a main shaft and an air guide pipe for communicating a two-stage compression chamber with an air inlet cavity or an air outlet cavity of a rotary valve, wherein the upper end surface of the housing is covered with an upper bearing sealing seat with a gland; an eccentric shaft section is formed in the middle of the main shaft; the inner circle of a rotary sleeve arranged in an inner cavity of the housing is connected with the eccentric shaft section of the main shaft through a sleeve bearing; the main shaft on the upper side and the lower side of the rotary sleeve is connected with the upper bearing seat and the housing through a pair of upper and lower rolling bearings; the rotary valve with the air inlet cavity and the air outlet cavity is arranged on the main shaft on the outer side of the upper bearing; the rotary valve is axially fixed by a locking nut through a valve plate and a gasket; an air inlet connector communicated with the air inlet cavity of the rotary valve and an air outlet connector communicated with the air outlet cavity of the rotary valve are arranged on the outer wall of the upper bearing seat; multiple sets of swing arm mechanisms contacted with the outer circle of the rotary sleeve are arranged along the inner circumferential direction of the housing; and the swing arm mechanisms, the housing, the rotary sleeve and the upper bearing seat form the two-stage compression chamber. According to the swing arm rotation type compressor, the functions of air suction, compression, air discharge and residual air expansion can be effectively achieved, multiple times of sequential compression operation can be finished by rotating the main shaft for a circle, the two-stage compression operation can be performed in each compression process, and the compressor is very small in frictional loss between moving parts, energy-saving, efficient and wide in application range.
Description
Technical field
The present invention relates to the fluid conveying machine of rotary type gas compression, particularly relate to a kind of by the eccentric revolution sleeve of layout of main shaft rotary actuation and the swing arm of circumference layout, realize swept volume change, complete air-breathing, compression, the rotary type compressed machinery of exhaust process.
Background technique
Fluid conveying machine is the indispensable equipment in field such as industry, life, and wherein rotary type gas compressor is mainly used in refrigerating field, such as domestic portable, window, split-type air conditioner and humidifier, household refrigerator, food refrigerated, automotive air conditioning system, heat pump etc.; Automobile air regulating system; Industrial universal air compression field; The common equipment in the fields such as other special gases (oxygen, nitrogen and ethene etc.) compression.Now, eccentric-revolving type compressor is most typical is that sliding vane and rolling revolving are telescopic.Solid of rotation relative to the eccentric layout of rotating shaft, thus realizes the functions such as air inlet, compression, exhaust.Its major defect is as follows:
1, the frictional loss of the slide plate of sliding-vane compressor and corresponding matching position is large, and produce larger energy loss and leakage, account for 1/3 of compressor power consumption, therefore efficiency is extremely low, has a strong impact on overall performance.Main axis only completes first compression in one week, and whole efficiency is low.Multistage compression cannot be realized simultaneously.Be mainly used in the environment that turbidity test are higher, such as domestic air conditioning, refrigerator etc.
2, the telescopic compressor of rolling revolving is provided with outlet valve at relief opening, and outlet valve very easily damages along with the increase of frequency of okperation, shortens the working life of maintenance period and complete machine;
3, speed sync or is connected without rolling between main shaft with revolution sleeve, frictional loss strengthens, and strengthens and turns round gap between sleeve and inwall, affect overall performance and efficiency; Revolution sleeve and inner walls keep certain gap, cause gas to be revealed by this gap, limit its pressure ratio.
4, need to configure lubrication system, to reduce slide plate wearing and tearing, complex structure; Potted line is longer, and sealability is poor, reveals loss larger;
5, the frictional loss between each mating component is large.
Summary of the invention
The present invention in order to solve the above-mentioned technical problem of existing rotary compressor, propose a kind of simple and compact for structure, noise is low, frictional loss is minimum, efficiency is high and the swing arm rotary type compressor of energy-conserving and environment-protective.
The present invention propose a kind of swing arm rotary type compressor, it comprise housing, with the coaxial mounted main shaft of this housing.The upper-end surface of described housing is by a upper bearing bracket capping, and the top of upper bearing bracket is provided with gland.The middle part of described main shaft is an eccentric shaft part, and single-revolution sleeve is located in housing cavity, and the inner circle of this revolution sleeve is connected with the eccentric shaft part of main shaft by a sleeve bearing; Main shaft on the upside of revolution sleeve is connected with the inner circle of upper bearing bracket by upper rolling bearing, the main shaft turned round on the downside of sleeve is connected with the bearing hole of housing lower end surface by lower rolling bearing; Main shaft outside described upper bearing (metal) is provided with the rotary valve with air-inlet cavity and exhaust cavity, this rotary valve through a valve plate and pad by a locking nut axial restraint; The outer wall of described upper bearing bracket be provided with can with the exhaust joint of the air input joint of the air-inlet cavity UNICOM of rotary valve and the exhaust cavity UNICOM with rotary valve; The end face that described housing combines with upper bearing bracket, to be circumferentially with along housing inner circle and many organize the oscillating arm mechanisms contacted with the cylindrical turning round sleeve, oscillating arm mechanisms and housing cavity, turn round excircle of sleeve and upper bearing bracket forms one stage of compression room, this oscillating arm mechanisms and housing and upper bearing bracket form secondary pressing chamber; Also comprise described one stage of compression room, secondary pressing chamber and the air-inlet cavity of rotary valve or the air pipe of exhaust cavity UNICOM.
Preferably, described oscillating arm mechanisms comprises: the swing arm that surrounded by three-arc-side is dull and stereotyped, the rotating shaft of being vertically located at the dull and stereotyped lower surface of this swing arm, the dull and stereotyped front end of swing arm is to the riser of downward-extension.
Preferably, the upper-end surface of described housing is circumferentially with swing arm installation position along inner circle, this swing arm installation position comprises: the through hole rotated and the groove swung for the riser insertion of oscillating arm mechanisms are inserted in the rotating shaft for oscillating arm mechanisms, and the lower end surface of housing is provided with the installation counterbore of main spring in the surrounding of described through hole.
Preferably, described main spring is located at and is installed in counterbore, and one end of main spring is stuck on housing, and the other end of main spring is blocked in the bottom of rotating shaft, makes swing arm flat board turn to the inner circle of housing and compress the cylindrical of described revolution sleeve; Turn round the one stage of compression room described in the cylindrical of sleeve, the inner chamber of housing, the arc-shaped side of swing arm flat board and upper bearing bracket end face formation; Secondary pressing chamber described in the groove of housing, the arc-shaped side of swing arm flat board and upper bearing bracket end face are formed.The lower end surface of housing is provided with an annular cover plate, and upper bearing bracket, housing and annular cover plate are linked into an integrated entity by bolt.
Preferably, described rotary valve is made up of the hollow cylinder of two sections of different-diameters, described valve plate is located at the top of rotary valve small-diameter circular cylinder, space between the lower surface of this valve plate and the large diameter cylindrical body shaft shoulder of rotary valve forms annular row air cavity, the large diameter cylindrical outer peripheral surface of rotary valve is provided with fan-shaped described air-inlet cavity and fan-shaped exhaust cavity, and annular row air cavity and fan-shaped exhaust cavity form described exhaust cavity by the channel conductive axially arranged.
Preferably, the fan-shaped central angle of described air-inlet cavity is 115 degree ~ 125 degree; The fan-shaped central angle of described fan-shaped exhaust cavity is 65 degree ~ 75 degree; The angle of air-inlet cavity and the nearest adjacent dual-side of exhaust cavity is 45 degree.
Preferably, the end face of described main shaft is provided with the phase identification line of a radial direction, and this phase identification line and the axis projection angle between the described center of circle in eccentric shaft part cross section and the line in the center of circle, cross section of main shaft are 76 degree ~ 82 degree; Air-inlet cavity one side air-inlet cavity start bit and the described phase identification line axis projection angle of described rotary valve are zero.
Preferably, the wall body of the upper bearing bracket between described rotary valve and described upper bearing (metal) is provided with vent hole.
Preferably, described oscillating arm mechanisms is the layout of even level or odd level.
Compared with prior art, the present invention has following beneficial effect:
1) by structure particular design, revolution sleeve is circled round with the speed well below main shaft, complete air-breathing, compression, exhaust and residual air inflation process, realize the working procedure of each chamber sequential compression of circumference layout.Between revolution sleeve and corresponding matching part, frictional loss is minimum, and the frictional loss of particularly turning round between sleeve and swing arm is minimum.Substantially reduce the leakage of compression process fluid, improve performance and the compression efficiency of equipment.
2) turn round the speed of sleeve 13 rotating speed well below main shaft, and oscillating arm mechanisms is to the separation of layout, shortens seal length.Solve the problem of present stage eccentric rotary compressor seal difficulty.It is a technical breakthrough.
3) because frictional loss between mating parts is minimum, the present invention can be suitable for complex working condition, is far superior to the operating mode that the telescopic compressor of two generation rolling revolvings is only applicable to cleaning ambient, can expand its application in industrial compressors.
4) cancel original rotary compressor slide vane structure, adopt oscillating arm mechanisms structure, improve the working life of equipment, the layout of oscillating arm mechanisms can realize every second compression and complete Two-stage Compression simultaneously, substantially increases engine power;
5) particular design of rotary valve makes compressor complete air-breathing, compression, exhaust and residual air inflation process, also makes main shaft rotate a circle four times or repeatedly compress simultaneously, and rotating a circle higher than existing rotary compressor far away only completes the function of first compression.Achieve simultaneously exhaust in advance and air inlet delayed, ensure that exhaust is thorough and air inlet is abundant.Greatly improve compression performance and efficiency.
6) by main spring, oscillating arm mechanisms and revolution excircle of sleeve are fitted tightly, ensure gas not blending between each chamber.
7) radial air inlet is adopted to rotary valve, air inlet end thrust can be reduced, also achieve effective distribution of compressor operation fluid simultaneously, complete the working procedure of whole compressor; To engine structure rational deployment, also can adopt axial admission, shorten air inlet flow process.
8) oscillating arm mechanisms can realize even level or the multistage layout of odd level, and main shaft rotates a circle and realizes, with the number of compression stages of its coupling, greatly improving the power of motor; In order to obtain better performance or layout, oscillating arm mechanisms has multiple version.
9) rotary valve can realize many bodies layout of motor, improves engine power.
10) the present invention is provided with the exhaust port of bearing chamber residual gas, reduces Moving Disturbance resistance between bearing chamber moving element.
12) the present invention is without air-breathing and outlet valve, relies on the maximal pressure contracting performance of structure control compressor completely.Improve the working life of equipment.
13) floating bearing is in the layout of the eccentric position of main shaft, and simplify the structure form, decreases the frictional loss between itself and revolution sleeve simultaneously.Floating bearing, under guarantee effectively drives, can have multiple layout type.
14) in order to ensure compressor smooth running, Equilibrator can be configured.
15) by rotary valve and structure particular design, motor (motor) can be modified as and be used, can clockwise and anticlockwise be realized.
Accompanying drawing explanation
Fig. 1 is the explosive view of present pre-ferred embodiments;
Fig. 2 is the stereogram of present pre-ferred embodiments;
Fig. 3 is the top view of present pre-ferred embodiments;
Fig. 4 be in Fig. 3 A-A to sectional view;
Fig. 5 is the stereogram of the housing of present pre-ferred embodiments;
Fig. 6 is the bottom view of the housing of present pre-ferred embodiments;
Fig. 7 is the stereogram of the oscillating arm mechanisms of present pre-ferred embodiments;
Fig. 8 is the stereogram of the rotary valve of present pre-ferred embodiments;
Fig. 9 is the top view of the rotary valve of present pre-ferred embodiments;
Figure 10 be in Fig. 9 B-B to sectional view (adding valve plate);
Figure 11 is the schematic diagram that the rotary valve of present pre-ferred embodiments is installed on main shaft;
Figure 12 is the rotary valve of present pre-ferred embodiments and eccentric shaft part relative position schematic diagram;
Figure 13 is the schematic diagram that the rotary valve of present pre-ferred embodiments is in 0 degree of position;
Figure 14 is the schematic diagram that the rotary valve of present pre-ferred embodiments is in 90 degree of positions;
Figure 15 is the schematic diagram that the rotary valve of present pre-ferred embodiments is in 180 degree of positions;
Figure 16 is the schematic diagram that the rotary valve of present pre-ferred embodiments is in 270 degree of positions.
Embodiment
The present invention is further illustrated to tie drawings and Examples below:
As shown in figures 1-4, a kind of swing arm rotary type compressor that present pre-ferred embodiments provides, it comprise housing 19, with the coaxial mounted main shaft 12 of this housing.Capping is carried out by the upper bearing bracket 7 that is threaded in the upper-end surface of housing 19, and the top of upper bearing bracket 7 is provided with gland 2, and gland 2 top is provided with and makes its plug 1 closed or open for rotary gland 2, also can realize axial admission or exhaust layout.The stage casing of main shaft 12 is an eccentric shaft part 120, and single-revolution sleeve 13 is located in housing 19 inner chamber, and the inner circle of this revolution sleeve 13 is connected with the eccentric shaft part 120 of main shaft 23 by a sleeve bearing 11, and this sleeve bearing 11 is by the shaft shoulder and snap ring 10 axial restraint.Main shaft 12 on the upside of revolution sleeve is connected with the inner circle of upper bearing bracket 7 by upper rolling bearing 9, the main shaft 12 turned round on the downside of sleeve is connected with the bearing hole of housing 19 lower end surface by lower rolling bearing 20; Main shaft 12 outside upper bearing (metal) 9 is provided with the rotary valve 6 with air-inlet cavity 29 and exhaust cavity, this rotary valve through a valve plate 5 and pad 4 by locking nut 3 axial restraint.The outer wall of upper bearing bracket 7 be provided with can with the exhaust joint 25 of the air input joint 8 of air-inlet cavity 29 UNICOM of rotary valve and exhaust cavity 27 UNICOM with rotary valve.The end face that housing 19 combines with upper bearing bracket 7, many organize the oscillating arm mechanisms contacted with the cylindrical turning round sleeve 13 along housing inner circumference to being evenly provided with, oscillating arm mechanisms and housing 19, turn round sleeve 13 and upper bearing bracket 7 forms one stage of compression room a, this oscillating arm mechanisms and housing 19 and upper bearing bracket 7 form secondary pressing chamber a '.Also comprise one stage of compression room a, secondary pressing chamber a ' and the air-inlet cavity 29 of rotary valve 6 or the air pipe 17,18 of exhaust cavity 27 UNICOM.The wall body of the upper bearing bracket 7 between rotary valve 6 and upper bearing (metal) 9 is circumferentially provided with the vent hole 26 of bearing chamber residual gas, for reducing the disturbance that seepage gas produces in bearing bore.
Incorporated by reference to Fig. 7, in the present embodiment, oscillating arm mechanisms comprises: the swing arm flat board 14 surrounded by three-arc-side h, f, g, the rotating shaft 141 being vertically located at the dull and stereotyped lower surface of this swing arm, the dull and stereotyped front end of swing arm are to the riser 143 of downward-extension.Composition graphs 5, Fig. 6, the upper-end surface of housing 19 is circumferentially with swing arm installation position along inner circle, this swing arm installation position comprises: the through hole 191 rotated and the groove 192 swung for riser 143 insertion of oscillating arm mechanisms are inserted in the rotating shaft 141 for oscillating arm mechanisms, and the lower end surface of housing 19 is provided with the installation counterbore 193 of main spring 21 in the surrounding of described through hole 191.Main spring 21 is located at and is installed in counterbore 193, one end of main spring is stuck on housing 19, rotating shaft 141 blocks the other end of main spring by the draw-in groove 142 of bottom, and makes swing arm flat board 14 turn to the inner circle of housing 19 and compress the cylindrical of described revolution sleeve 13.What main spring 21 was installed on oscillating arm mechanisms turns the tip of the axis, ensures close contact between swing arm dull and stereotyped 14 and revolution sleeve 13, to realize isolation and sealing between chamber.Turn round the one stage of compression room a described in the cylindrical of sleeve 13, the inner chamber of housing 19, the arc-shaped side of swing arm flat board 14 and upper bearing bracket 7 end face formation, the secondary pressing chamber a ' described in the groove 192 of housing 19, the arc-shaped side of swing arm flat board 14 and upper bearing bracket 7 end face are formed.This structure can realize Two-stage Compression, effectively improves compression efficiency.Revolution sleeve 13 14 close contacts dull and stereotyped with swing arm, swing arm dull and stereotyped 14 realizes the separation to work chamber, shortens seal length, greatly reduces between adjacent chamber and reveal.Swing arm flat board 14 is close to revolution sleeve 13 by main spring 21, revolution sleeve 13 is to turn round well below main shaft 12 speed, make between revolution sleeve 13 and swing arm flat board 14 like this, between the surface of contact that revolution sleeve 13 and housing 19 contact end face, housing 19 inner circle plane of trajectory orbital and upper bearing bracket 7, frictional loss is also minimum.In the present embodiment, be provided with four groups of oscillating arm mechanisms, then at the inner circumference of housing 19 to forming four covers " one-level, secondary pressing chamber ", as mark: a, a '; B, b '; C, c '; D, d ' shown in, please refer to Figure 13.Often overlap " one-level, secondary pressing chamber " two ends UNICOM by an air pipe 17, air pipe 17 connects an air inlet-outlet pipe 15 by threeway 16 again.Along with rotary valve 6 this air inlet-outlet pipe 15 of rotation can with the air-inlet cavity 29 of rotary valve 6 or fan-shaped exhaust cavity 27 UNICOM.An annular cover plate 22 is provided with, for sealing described main spring 21 in the lower end surface of housing 19.Upper bearing bracket 7, housing 19 and annular cover plate 22 are linked into an integrated entity by bolt 23.As required, oscillating arm mechanisms can realize the multistage layout of even level or odd level.
Incorporated by reference to Fig. 8 ~ Figure 10, in the present embodiment, rotary valve 6 is made up of the hollow cylinder of two sections of different-diameters, valve plate 5 is located at the top of rotary valve small-diameter circular cylinder, space between the lower surface of this valve plate 5 and the large diameter cylindrical body shaft shoulder of rotary valve forms annular row air cavity 28, the large diameter cylindrical outer peripheral surface of rotary valve is provided with fan-shaped air-inlet cavity 29 and fan-shaped exhaust cavity 27, and annular row air cavity 28 forms overall exhaust cavity with fan-shaped exhaust cavity 27 by passage 601 conducting axially arranged.The fan-shaped central angle of air-inlet cavity 29 is 115 degree ~ 125 degree, preferably 120 degree.The fan-shaped central angle of fan-shaped exhaust cavity 27 is 65 degree ~ 75 degree, preferably 70 degree.The angle of air-inlet cavity 29 and the nearest adjacent dual-side of exhaust cavity 27 is 45 degree.An annular row air cavity 28 is formed between rotary valve 6 and valve plate 5.The exhaust cavity 27 that rotary valve 6 cylindrical is arranged and air-inlet cavity 29 can realize the radial air inlet of fluid, cancel axial admission, so that reduce end thrust and starting power.The circumference of rotary valve 6 can arrange multistage groove, the energy of buffer fluid, reduces the seepage of intake and exhaust and compression process.This structure of rotary valve 6 can realize air inlet, compression, and exhaust and residual air expansion function, also achieve multistage sequential inflation simultaneously, greatly improve compressor efficiency.
Incorporated by reference to Figure 11, Figure 12, the upper-end surface of main shaft 12 is provided with the phase identification line 121 of a radial direction, and the axis projection angle α between the center of circle, cross section of this phase identification line and eccentric shaft part 120 and the line 122 in the center of circle, main shaft cross section is 76 degree ~ 82 degree, preferably 79 degree.Limit on the left of the air-inlet cavity 29 of rotary valve 6, namely air-inlet cavity start bit 6i and phase identification line 121 axis projection angle are zero.
Please read Figure 13 ~ Figure 16, these figure are cut-away view (remaining air pipe 17,18 at different levels) shown after deleting plug 1, gland 2, locking nut 3, pad 4, valve plate 5 and upper bearing bracket 7.The present invention is work like this:
With reference to Figure 13, main shaft 12 drives revolving sleeve cylinder 13 to turn round by driven by motor with the speed far away higher than revolution sleeve 13, rotary valve 6 is made to be in 6i---air-breathing initial bit, fluid enters the air-inlet cavity 29 of rotary valve 6 through air input joint 8, by air inlet-outlet pipe 15, threeway 16, one-level air pipe 17 is dispensed to the one stage of compression room a of first set and secondary pressing chamber a '.And the one stage of compression room b of the second cover and secondary pressing chamber b ' is in prerelease state by secondary air pipe 18.Namely pressed gas is by fan-shaped exhaust cavity 27 through annular air cavity 28, and exhaust joint 25 drains in system.
Along with the continuation of main shaft 12 rotates, enter the residual air expansion stage when residual air expansion initial bit 6iv crosses exhaust phase place.One stage of compression room c and the secondary pressing chamber c ' of the 3rd cover are in compressive state, complete two stage compression.One stage of compression room d and the secondary pressing chamber d ' of the 4th cover are in continuation suction condition.In order to ensure that air inlet is abundant.Change the angle of rotary valve 6, can compression performance be changed.Such layout of rotary valve 6 ensures that air inlet is fully thorough with exhaust.
With reference to Figure 14, revolution sleeve 13 turns round with the speed well below main shaft 12, and between counterpart, frictional loss is minimum.Fluid rotates along with main shaft 12 up time, and two stage compression room c and c ' of the 3rd cover completes compression, and two stage compression room d and d ' of the 4th cover is in compressive state.Namely as rotary valve 6i---when air-breathing initial bit aims at the air inlet-outlet pipe 15 of the second cover, two stage compression room b and b ' of the second cover completes residual air and expands, and starts air-breathing.Two stage compression room a and a ' of first set continues air-breathing.Two stage compression room c and c ' of the 3rd cover is in exhaust condition.Two stage compression room d and d ' of the 4th cover is in compressive state, completes Two-stage Compression.
With reference to Figure 15, main shaft 12 continues up time and rotates, as rotary valve 6i---and when air-breathing initial bit aims at the air inlet-outlet pipe 15 of the 3rd cover, the 3rd corresponding cover two stage compression room c and c ' completes residual air and expands, start air-breathing, two stage compression room b and b ' of the second cover continues air inlet.And two stage compression room a and a ' of first set is in compressive state, two stage compression room d and d ' of the 4th cover completes compression, is in exhaust condition.
With reference to Figure 16, as rotary valve 6i---when air-breathing initial bit goes to the air inlet-outlet pipe 15 of aligning the 4th cover, two stage compression room d and d ' of the 4th cover completes residual air and expands, and starts air-breathing, and two stage compression room c and c ' of the 3rd cover continues air inlet, to ensure that air inlet is abundant.Two stage compression room b and b ' of the second cover is in compressive state, and two stage compression room a and a ' of first set completes compression, is in exhaust condition.
Rotate when main shaft 12 continues up time, revolution sleeve 13 turns round, and rotary valve is in 6iV---and residual air expansion initial bit, two stage compression room a and a ' of first set is in and starts residual air expansion, when rotary valve up time 6iV goes to 6i position, completes residual air and expands.Go round and begin again like this, complete continuous compression.
The present invention is by turning round sleeve 13, and pendulum wing flat board 14, housing 19 and upper bearing bracket 7 are separated to form two stage compression room.Revolution sleeve 13, with the speed well below main shaft 12, circles round along housing 19 internal-cavity track relative to spindle eccentricity, completes the circumnutation of revolution sleeve 13.Meanwhile, oscillating arm mechanisms, under the effect of main spring 21 with revolution sleeve 13 cylindrical, swing back and forth, so that associated components coordinates the volume constantly changing two stage compression room around its rotating shaft 141.Coordinate with the rotary valve 6 being provided with inlet and outlet chamber on main shaft 12 again, effectively can realize air inlet, compression, exhaust and residual air expansion function.Main shaft has rotated a circle four times or repeatedly sequential compression, and every second compression realizes Two-stage Compression.Between this compressor movement parts, frictional loss is minimum, and efficient energy-saving, is widely used.
More than engage better embodiment to invention has been specific descriptions, but those skilled in the art can make numerous variations or change to these mode of executions, these change and change should fall within the scope of protection of the invention.
Claims (9)
1. a swing arm rotary type compressor, comprise housing (19), with the coaxial mounted main shaft of this housing (12), it is characterized in that, the upper-end surface of described housing (19) is by a upper bearing bracket (7) capping, and the top of upper bearing bracket (7) is provided with gland (2);
The middle part of described main shaft (12) is an eccentric shaft part (120), single-revolution sleeve (13) is located in housing (19) inner chamber, and the inner circle of this revolution sleeve (13) is connected with the eccentric shaft part (120) of main shaft (12) by a sleeve bearing (11); Main shaft (12) on the upside of revolution sleeve is connected with the inner circle of upper bearing bracket (7) by upper rolling bearing (9), the main shaft (12) turned round on the downside of sleeve is connected by the bearing hole of lower rolling bearing (20) with housing (19) lower end surface; The main shaft (12) in described upper rolling bearing (9) outside is provided with the rotary valve (6) with air-inlet cavity (29) and exhaust cavity (28,27), this rotary valve through a valve plate (5) and pad (4) by a locking nut (3) axial restraint;
The outer wall of described upper bearing bracket (7) be provided with can with the exhaust joint (25) of the air input joint (8) of the air-inlet cavity of rotary valve (29) UNICOM and exhaust cavity (27) UNICOM with rotary valve;
The end face that described housing (19) combines with upper bearing bracket (7), to be circumferentially with along housing inner circle and to organize the oscillating arm mechanisms contacted with the cylindrical of described revolution sleeve (13) more, the inner chamber of oscillating arm mechanisms and housing (19), turn round sleeve (13) cylindrical and upper bearing bracket (7) forms one stage of compression room (a), this oscillating arm mechanisms and housing (19) and upper bearing bracket (7) form secondary pressing chamber (a '); Also comprise described one stage of compression room (a), secondary pressing chamber (a ') and the air-inlet cavity (29) of rotary valve (6) or the air pipe (17,18) of exhaust cavity (27) UNICOM.
2. swing arm rotary type compressor as claimed in claim 1, it is characterized in that, described oscillating arm mechanisms comprises: by three-arc-side, (h, f, the swing arm flat board (14) g) surrounded, the rotating shaft (141) being vertically located at the dull and stereotyped lower surface of this swing arm, the dull and stereotyped front end of swing arm are to the riser (143) of downward-extension.
3. swing arm rotary type compressor as claimed in claim 2, it is characterized in that, the upper-end surface of described housing (19) is circumferentially with swing arm installation position along inner circle, this swing arm installation position comprises: the through hole (191) rotated and the groove (192) swung for riser (143) insertion of oscillating arm mechanisms are inserted in the rotating shaft (141) for oscillating arm mechanisms, and the lower end surface of housing (19) is provided with the installation counterbore (193) of main spring (21) in the surrounding of described through hole (191).
4. swing arm rotary type compressor as claimed in claim 3, it is characterized in that, described main spring (21) is located at and is installed in counterbore (193), one end of main spring is stuck on housing (19), the other end of main spring is blocked in the bottom of rotating shaft (141), makes swing arm flat board (14) turn to the inner circle of housing (19) and compresses the cylindrical of described revolution sleeve (13); Turn round one stage of compression room (a) described in the cylindrical of sleeve (13), the inner chamber of housing (19), the arc-shaped side of swing arm flat board (14) and upper bearing bracket (7) end face formation; Secondary pressing chamber (a ') described in the groove (192) of housing (19), the arc-shaped side of swing arm flat board (14) and upper bearing bracket (7) end face are formed; The lower end surface of housing (19) is provided with an annular cover plate (22), and upper bearing bracket (7), housing (19) and annular cover plate (22) are linked into an integrated entity by bolt (23).
5. swing arm rotary type compressor as claimed in claim 1, it is characterized in that, described rotary valve (6) is made up of the hollow cylinder of two sections of different-diameters, described valve plate (5) is located at the top of rotary valve small-diameter circular cylinder, space between the lower surface of this valve plate (5) and the large diameter cylindrical body shaft shoulder of rotary valve forms annular row air cavity (28), the large diameter cylindrical outer peripheral surface of rotary valve is provided with fan-shaped described air-inlet cavity (29) and fan-shaped exhaust cavity (27), annular row air cavity (28) and fan-shaped exhaust cavity (27) are unified into described exhaust cavity by the passage axially arranged (601) conducting.
6. swing arm rotary type compressor as claimed in claim 5, it is characterized in that, the fan-shaped central angle of described air-inlet cavity (29) is 115 degree ~ 125 degree; The fan-shaped central angle of described fan-shaped exhaust cavity (27) is 65 degree ~ 75 degree; The angle of air-inlet cavity (29) and the nearest adjacent dual-side of exhaust cavity (27) is 45 degree.
7. swing arm rotary type compressor as claimed in claim 1, it is characterized in that, the end face of described main shaft (12) is provided with the phase identification line (121) of a radial direction, and the axis projection angle (α) between the center of circle of this phase identification line and described eccentric shaft part (120) and the line (122) in the main shaft center of circle is 76 degree ~ 82 degree; Air-inlet cavity (29) one side air-inlet cavity start bit (6i) and described phase identification line (121) the axis projection angle of described rotary valve (6) are zero.
8. swing arm rotary type compressor as claimed in claim 1, it is characterized in that, the wall body of the upper bearing bracket (7) between described rotary valve (6) and described upper bearing (metal) (9) is provided with vent hole (26).
9. swing arm rotary type compressor as claimed in claim 1, it is characterized in that, described oscillating arm mechanisms is the layout of even level or odd level.
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| CN201310041666.7A CN103114997B (en) | 2013-02-02 | 2013-02-02 | Swing arm rotation type compressor |
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| CN201310041666.7A CN103114997B (en) | 2013-02-02 | 2013-02-02 | Swing arm rotation type compressor |
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| CN103114997B true CN103114997B (en) | 2015-05-20 |
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| CN103835951B (en) * | 2014-03-04 | 2016-02-10 | 徐家业 | A kind of fan pendulum-type high pressure blower |
| CN104653461A (en) * | 2014-12-15 | 2015-05-27 | 康立业 | Swing type gas compressor |
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| CN201723444U (en) * | 2010-06-04 | 2011-01-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN102305129A (en) * | 2011-09-07 | 2012-01-04 | 谭善学 | Swinging wing engine |
| CN203146330U (en) * | 2013-02-02 | 2013-08-21 | 深圳市赛朗肯科技有限公司 | Swing arm circling type compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3087665B2 (en) * | 1996-11-08 | 2000-09-11 | ダイキン工業株式会社 | Rotary compressor |
| JP2004019521A (en) * | 2002-06-14 | 2004-01-22 | Nippon Soken Inc | Displacement type fluid machine |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746506A (en) * | 2004-09-06 | 2006-03-15 | 乐金电子(天津)电器有限公司 | Double volume rotary compressor |
| CN201723444U (en) * | 2010-06-04 | 2011-01-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN102305129A (en) * | 2011-09-07 | 2012-01-04 | 谭善学 | Swinging wing engine |
| CN203146330U (en) * | 2013-02-02 | 2013-08-21 | 深圳市赛朗肯科技有限公司 | Swing arm circling type compressor |
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| CN103114997A (en) | 2013-05-22 |
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