CN100476211C - Screw compressor - Google Patents
Screw compressor Download PDFInfo
- Publication number
- CN100476211C CN100476211C CNB2004100375653A CN200410037565A CN100476211C CN 100476211 C CN100476211 C CN 100476211C CN B2004100375653 A CNB2004100375653 A CN B2004100375653A CN 200410037565 A CN200410037565 A CN 200410037565A CN 100476211 C CN100476211 C CN 100476211C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- spinning reel
- ring
- haimu
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to spiral compressor. The sealing chamber is mounted on the upper and low end of oham ring which is used as the rotation-proof device of the rotational reel; the high-pressure (extruded pressure) gas cooling agent passing the through hole which connects the high-pressure extruding chamber presses said lower sealing chamber; the middle-pressure gas cooling agent passing the through hole which connects the compressing chamber presses said upper sealing chamber; so the oham ring and rotational reel float upwards and the rotational reel is appressed to the fixed reel by the high and middle pressure gas cooling agent. Said invention can avoid the rotational reel close to the thrust surface of main body resulted from the pressure of gas cooling agent in the compressing chamber when adding pressure with existed traditional rotational reel and fixer reel, so the rubbing effect between said main body and the rotational reel, which is produced by the rotation of said rotation reel is avoided, while the prevention of abrasion and destruction.
Description
Technical field
The present invention relates to a kind of compressor, particularly relate to a kind of gas refrigerant that utilizes high pressure and middle pressure condition and make Ao Haimu ring (oldham ring) and spinning reel come-up, and make above-mentioned spinning reel be close to screw compressor on the fixing spool.
Background technique
General existing screw compressor, form by making up two circinate shapes, and the relative movement generation compression by fixing spool and spinning reel, and, because it has characteristics such as high efficiency, low noise, volume be little, in light weight, and is widely used in aspects such as domestic air conditioning, car air conditioner.
Above-mentioned such screw compressor can be divided into low pressure type or high pressure type according to the gas of filling suction chamber to enclosure or the gas of extrusion.In above-mentioned existing conventional helical compressor, existing to low pressure type screw compressor structure be described as follows:
Seeing also shown in Figure 1ly, is the section of structure of general existing traditional screw compressor.Above-mentioned screw compressor according to prior art, it comprises: a shell 15, suction pipe 1 and suction chamber 4 that fluid from outside is flowed into, the drive motor 2 that is fixed in above-mentioned seal container 15 inside and forms by stator 2a and rotor 2b, by the live axle 3 of above-mentioned drive motor 2 driven rotary, be positioned at the upper end of above-mentioned live axle 3 and depart from the center of live axle 3 and centrifugal 3a of live axle of forming, the spinning reel 7 that is fixed in centrifugal 3a of above-mentioned live axle and is got up for the refrigeration agent that it can be compressed suck by the upside support of main body 5 by suction pipe 1, by combining with above-mentioned spinning reel 7 and being fixed in the formed compression coil axial region of fixedly spool of aforementioned body 5 upsides, the Ao Haimu that above-mentioned spinning reel is rotated in the rotation that prevents above-mentioned spinning reel 7 in said fixing spool 8 encircles (oldham ring) 6, support the main body 5 of above-mentioned Ao Haimu ring 6 and above-mentioned spinning reel 7, the extrusion mouth 9 that the high-pressure refrigerant that compresses through the compression of said fixing spool 8 and spinning reel 7 is discharged, a safety check 10 that is fixed in above-mentioned extrusion mouth 9 and can prevents to flow backwards by the refrigeration agents that extrude mouth 9 extrusion, be incorporated into the back side of said fixing spool 8 and the inside of above-mentioned shell 15 is divided into suction chamber 4 that sucks low pressure refrigerant and the top barrier film 12 that extrudes the delivery chamber 11 of piling up high-pressure refrigerant, and the blow-off pipe 14 that is incorporated into above-mentioned delivery chamber 11 and high-pressure liquid is discharged is formed.Unaccounted symbol 13 is a upper case 13.
At this moment, in order to prevent axial leakage, on the tip end of above-mentioned spinning reel 7, install and be provided with most advanced and sophisticated sealing lead (tipseal) 7b from the high-pressure section of above-mentioned pressing chamber P to low-pressure section.
The job step that now has the low pressure type screw compressor of said structure is described as follows: give as the drive motor 2 of the constituent element of the screw compressor of said structure and connect after the power supplys, driving by above-mentioned drive motor 2, the live axle 3 that the rotor 2b of above-mentioned drive motor 2 is fixed in insertion begins rotation, and be fixed in spinning reel 7 on centrifugal 3b of driving of above-mentioned live axle 3 upper ends, also being rotated (revolution) because the effect of linking up is arranged in said fixing spool 8 inside moves, thereby pass through suction pipe 1 to pressing chamber P, that is, match and the inside of the pressing chamber P that forms flows into the gas refrigerant of low-temp low-pressure by fixedly spool 8 and spinning reel 7.As shown in Figure 2, be to show in the existing screw compressor that passes to be incorporated into the spinning reel and the fixing view of the spinning reel on the spool, the gas refrigerant that flows in above-mentioned pressing chamber P will move and be compressed into the gaseous state of High Temperature High Pressure by rotatablely moving of above-mentioned spinning reel 7 to the central part of pressing chamber P, and the gas refrigerant that is compressed like this is being discharged to compression coil axial region outside by extruding mouth 9, simultaneously, be forced into the outside of screw compressor by the blow-off pipe 14 that is positioned at above-mentioned shell 15 1 sides.
See also shown in Figure 1, have on the low pressure type screw compressor of said structure, the gas refrigerant of the low-temp low-pressure that flows into by suction pipe 1 is filled into the bottom of compressor, the i.e. bottom of the compression coil axial region that constitutes by fixing spool 8 and spinning reel 7, and flow into the fixedly pressing chamber P between the spool 8 and spinning reel 7, and, pressurize by the compression of above-mentioned compression coil axial region.And be benchmark with above-mentioned compression coil axial region, form low voltage section in the bottom of compression coil axial region one side, and form high-voltage section in the top of above-mentioned compression coil axial region one side, and because the temperature of installing around the drive motor 2 be arranged at above-mentioned compressor low voltage section one side is lower, so the electric efficiency of drive motor 2 can improve.But, see also shown in Figure 3ly, be in existing traditional screw compressor, the boundary schematic representation of spinning reel and Ao Haimu ring, main frame.If be positioned at the most advanced and sophisticated sealing lead 7b of high temperature compressed chamber P, promptly be installed in the most advanced and sophisticated sealing lead 7b that the resin material of above-mentioned spiral spool 7 tip end is made, if be melted because of the high temperature in the above-mentioned pressing chamber P, with gas refrigerant that above-mentioned pressing chamber P occurs to problems such as external leakages, thereby reduce the reliability and the working efficiency of whole compressor greatly.
In addition, in the loss that has traditional compressor now, the spinning reel that strength produced 7 of gas refrigerant and the frictional loss between the main body 5 occupy bigger proportion, and in order to reduce the frictional loss between above-mentioned spinning reel 7 and the main body 5, generally be the mode that adopts the extrusion utilize gas refrigerant to press, utilize gas refrigerant in the middle of the mode of pressing and the extrusion that utilizes gas refrigerant press and middle multiple back pressure modes such as mode of pressing.Wherein, utilize the mode that extrudes, though can realize the back pressure of gas refrigerant by simple structure, because according to the difference that extrudes, the effect difference of the counterpressure of gas refrigerant, so its operation field is narrower.
In addition, utilize the mode of pressing in the middle of the gas refrigerant, though can within the operation territory of broad, stablize the back pressure that realizes gas refrigerant, have suitable middle the pressure in order to make gas refrigerant, it is very complicated that the back-pressure structure of gas refrigerant becomes.
In addition, utilize the extrusion of gas refrigerant to press and middle mode of pressing, difference that can be according to circumstances, utilize the back pressure that extrudes pressure or the existing gas refrigerant of middle compacting, thereby can reduce the frictional loss between spinning reel 7 and the main body 5, but it is identical with the middle mode of pressing of utilizing gas refrigerant, and in order to have suitable middle pressure of gas refrigerant, it is very complicated that the back-pressure structure of gas refrigerant will become.
This shows that above-mentioned existing screw compressor still has many defectives, and demands urgently further being improved.In order to solve the defective of existing screw compressor, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing screw compressor exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of screw compressor of new structure, can improve existing screw compressor, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing screw compressor exists, and provide a kind of screw compressor of new structure, technical problem to be solved is to make its gas refrigerant that utilizes high pressure and middle pressure condition make Ao Haimu ring and spinning reel come-up, and above-mentioned spinning reel is close to fixedly on the spool, can avoid existing traditional spinning reel and when fixedly spool pressurizes since the thrust face that the pressure of the gas refrigerant in the pressing chamber makes above-mentioned spinning reel be close to main body cause the rubbing action between aforementioned body and the spinning reel and cause wearing and tearing and the phenomenon of destruction, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of screw compressor that the present invention proposes, it comprises: shell; The drive motor that is fixed in above-mentioned seal container inside and forms by stator and rotor; By the live axle of above-mentioned drive motor driven rotary; By the rotation of above-mentioned live axle, the spinning reel that makes the rotation lap be rotated the refrigeration agent that motion and compression sucked in fixing lap reaches fixedly spool; The Ao Haimu ring that prevents the rotation of above-mentioned spinning reel and above-mentioned spinning reel is rotated in the said fixing spool; Be formed at the upper and lower end of above-mentioned Ao Haimu ring separately and utilize the extrusion that acts on the gas refrigerant of the lower end of above-mentioned Ao Haimu ring and upper end separately from delivery chamber and pressing chamber to press (high pressure) and middle the pressure to make above-mentioned Ao Haimu ring and spinning reel come-up, thereby make spinning reel be close to the fixedly upper and lower end closed chamber of spool; And support the main body of above-mentioned Ao Haimu ring and spinning reel to form.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid screw compressor, the upper end closed chamber of wherein said Ao Haimu ring interconnects by the intercommunicating pore of above-mentioned spinning reel and the middle side of pressing of pressing chamber.
Aforesaid screw compressor, wherein said upper end closed chamber and lower end closed chamber are the ring structurees with certain width.
Aforesaid screw compressor, the upper end closed chamber of wherein said Ao Haimu ring, its width is bigger slightly than the rotating diameter of above-mentioned spinning reel.
Aforesaid screw compressor, the lower end closed chamber of wherein said Ao Haimu ring interconnects by the delivery chamber of intercommunicating pore and high pressure (extrusion).
Aforesaid screw compressor, wherein said Ao Haimu ring lower end closed chamber, its width is bigger slightly than the rotating diameter of above-mentioned spinning reel.
Aforesaid screw compressor around the upper and lower end closed chamber of wherein said Ao Haimu ring, is installed respectively separately and is provided with seal arrangement.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technological scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
A kind of screw compressor that the present invention proposes, particularly, be a kind of relevant in the constituent element of compressor, on as the Ao Haimu ring of the anti-self-rotating mechanism of spinning reel, when the lower end forms closed chamber, by the intercommunicating pore that links to each other with the delivery chamber of high pressure the gas refrigerant of high pressure (extrude and press) is applied to it at above-mentioned lower end closed chamber, and the gas refrigerant of pressing in the middle of the intercommunicating pore of above-mentioned upper end closed chamber by the spinning reel that links to each other with pressing chamber makes is applied to it, thereby the gas refrigerant that utilizes high pressure and middle pressure condition makes Ao Haimu ring (oldham ring) and spinning reel come-up, and makes above-mentioned spinning reel be close to screw compressor on the fixing spool.
The present invention develops in order to address the above problem, on as the Ao Haimu ring of the anti-self-rotating mechanism of spinning reel, when the lower end forms closed chamber, by the intercommunicating pore that links to each other with the delivery chamber of high pressure the gas refrigerant of high pressure (extrude and press) is applied to it at above-mentioned lower end closed chamber, and the gas refrigerant of pressing in the middle of the intercommunicating pore of above-mentioned upper end closed chamber by the spinning reel that links to each other with pressing chamber makes is applied to it, thereby the gas refrigerant that utilizes high pressure and middle pressure condition makes Ao Haimu ring and spinning reel come-up and above-mentioned spinning reel is close to fixedly on the spool, therefore can avoid when having traditional spinning reel now and fixedly spool pressurizes, because the pressure of the gas refrigerant in the pressing chamber, above-mentioned spinning reel is close to the thrust face of main body, thereby aforementioned body that produces because of rotatablely moving of above-mentioned spinning reel and the rubbing action between the spinning reel are with the phenomenon that causes wearing and tearing and destroy.
The purpose of the invention described above can be by on as the Ao Haimu ring of the anti-self-rotating mechanism of spinning reel, when the lower end forms closed chamber, by the intercommunicating pore that links to each other with the delivery chamber of high pressure the gas refrigerant of high pressure (extrude and press) is applied to it at above-mentioned lower end closed chamber, and the gas refrigerant of pressing in the middle of the intercommunicating pore of above-mentioned upper end closed chamber by the spinning reel that links to each other with pressing chamber makes is applied to it, thereby the gas refrigerant that utilizes high pressure and middle pressure condition makes Ao Haimu ring and spinning reel come-up, and the screw compressor of the present invention that above-mentioned spinning reel is close on the fixing spool is realized.
By technique scheme, screw compressor of the present invention has following advantage at least:
1, screw compressor of the present invention, because it is on as the Ao Haimu ring of the anti-self-rotating mechanism of spinning reel, when the lower end forms closed chamber, by the intercommunicating pore that links to each other with the delivery chamber of high pressure the gas refrigerant of high pressure (extrude and press) is applied to it at above-mentioned lower end closed chamber, and the gas refrigerant of pressing in the middle of the intercommunicating pore of above-mentioned upper end closed chamber by the spinning reel that links to each other with pressing chamber makes is applied to it, thereby utilizes the gas refrigerant of high pressure and middle pressure condition to make Ao Haimu ring and spinning reel come-up and above-mentioned spinning reel is close to fixedly on the spool.Therefore the present invention can avoid existing traditional spinning reel and when fixedly spool pressurizes, because the pressure of the gas refrigerant in the pressing chamber causes above-mentioned spinning reel to be close to the thrust face of main body, thereby the aforementioned body and the rubbing action between the spinning reel that produce owing to rotatablely moving of above-mentioned spinning reel cause the phenomenon of wearing and tearing and destruction.
2, the utilization of the present invention extrusion that acts on the gas refrigerant of Ao Haimu ring lower end closed chamber press and act on Ao Haimu ring upper end closed chamber gas refrigerant in the middle of press, make Ao Haimu ring and spinning reel come-up, and make above-mentioned spinning reel be close to fixedly spool, thereby can effectively prevent the leakage of gas refrigerant, and then can improve the efficient of whole compressor.
In sum, the screw compressor of special construction of the present invention, utilize the gas refrigerant of high pressure and middle pressure condition to make Ao Haimu ring and spinning reel come-up, and above-mentioned spinning reel is close to fixedly on the spool, can avoid existing traditional spinning reel and when fixedly spool pressurizes since the thrust face that the pressure of the gas refrigerant in the pressing chamber makes above-mentioned spinning reel be close to main body cause the rubbing action between aforementioned body and the spinning reel and cause wearing and tearing and the phenomenon of destruction.It has above-mentioned many advantages and use value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on the structure of product or function, have large improvement technically, and produced handy and practical effect, and more existing screw compressor has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the general section of structure that has traditional screw compressor now.
Fig. 2 is in existing traditional screw compressor, shows to be incorporated into the spinning reel and the fixing view of the spinning reel on the spool.
Fig. 3 is in existing traditional screw compressor, the boundary schematic representation of spinning reel and Ao Haimu ring, main frame.
Fig. 4 is the bonding state sectional drawing according to fixedly spool of the present invention, spinning reel, Ao Haimu ring, main body.
Fig. 5 is according to the section of structure and the detailed structure view of Ao Haimu ring of the present invention.
Fig. 6 affacts thrust profiles schematic representation on spinning reel and the Ao Haimu ring by the come-up effect by gas refrigerant according to the present invention.
Fig. 7 is under bonding state as shown in Figure 4, the extrusion of gas refrigerant that utilization acts on the lower end closed chamber of Ao Haimu ring press and act on Ao Haimu ring (oldham ring) the upper end closed chamber gas refrigerant in the middle of press, make Ao Haimu ring and spinning reel come-up and make above-mentioned spinning reel be close to view on the fixing spool.
1: suction pipe 2: drive motor
2a: stator 2b: rotor
3: live axle 3a: the centrifugal portion of live axle
4: suction chamber 5: main body
5b: thrust face 6: Ao Haimu encircles (oldham ring)
7: spinning reel 7a: the rotation lap
7b: most advanced and sophisticated sealing lead 7d: intercommunicating pore
8: fixing spool 8a: fixing lap
9: extrude mouth 10: safety check
11: delivery chamber 12: the top barrier film
13: upper case 14: blow-off pipe
15: shell 16: Ao Haimu encircles (oldham ring)
16a: top key 16b: bottom key
17: upper end closed chamber 19: the lower end closed chamber
18: Ao Haimu encircles (oldham ring) 21: intercommunicating pore
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its concrete structure of screw compressor, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 4, shown in Figure 5, Fig. 4 is the bonding state sectional drawing according to fixedly spool of the present invention, spinning reel, Ao Haimu ring and main body, and Fig. 5 is section of structure and the detailed structure view according to Ao Haimu ring of the present invention.
According to screw compressor of the present invention, it comprises: shell 15, the drive motor 2 that is fixed in above-mentioned seal container 15 inside and forms by stator 2a and rotor 2b, by the live axle 3 of above-mentioned drive motor 2 driven rotary, the spinning reel 7 that rotation by above-mentioned live axle 3 makes rotation lap 7a be rotated the refrigeration agent that motion and compression sucked in fixing lap 8a reaches fixedly spool 8, the Ao Haimu ring 16 that prevents the rotation of above-mentioned spinning reel 7 and above-mentioned spinning reel 7 is rotated in said fixing spool 8, each self-forming is arranged at the top and bottom of above-mentioned Ao Haimu ring 16 and utilizes the extrusion that acts on the gas refrigerant of the lower end of above-mentioned Ao Haimu ring and upper end separately from delivery chamber 11 and pressing chamber P to press (high pressure) and middle the pressure to make above-mentioned Ao Haimu ring 16 and spinning reel 7 come-ups and make spinning reel 7 be close to fixedly the upper end closed chamber 17 and the lower end closed chamber 19 of spool 8, support the main body 5 of above-mentioned Ao Haimu ring 16 and spinning reel 7 etc. to form.
Below, screw compressor according to the present invention is described in detail.
The screw compressor that proposes according to the present invention, for fear of when having traditional spinning reel 7 now and fixedly spool 8 pressurizes, because the pressure of the gas refrigerant in the pressing chamber P, above-mentioned spinning reel 7 is close to the thrust face 5b of main body 5, thereby aforementioned body 5 that produces because of rotatablely moving of above-mentioned spinning reel 7 and the rubbing action between the spinning reel 7, with the phenomenon that causes wearing and tearing and destroy, it is on as the Ao Haimu ring 16 of the anti-self-rotating mechanism of spinning reel 7, the lower end forms closed chamber 17, in the time of 19, the condensation of gas agent of high pressure and middle pressure condition that utilization acts on above-mentioned lower end closed chamber 19 and upper end closed chamber 17 separately from the delivery chamber 11 and the pressing chamber P of above-mentioned high pressure, make Ao Haimu ring 16 and spinning reel 7 come-ups, and make above-mentioned spinning reel 7 be close to fixedly spool 8.
Below, the present invention will be described in detail, and the same structure in the present invention and the foregoing description is adopted identical symbol.
See also Fig. 1, Fig. 4 and shown in Figure 5, according to screw compressor of the present invention, it comprises: shell 15, the drive motor 2 that is fixed in above-mentioned seal container 15 inside and forms by stator 2a and rotor 2b, by the live axle 3 of above-mentioned drive motor 2 driven rotary, the spinning reel 7 that rotation by above-mentioned live axle 3 makes rotation lap 7a be rotated the refrigeration agent that motion and compression sucked in fixing lap 8a reaches fixedly spool 8, the Ao Haimu ring 16 that prevents the rotation of above-mentioned spinning reel 7 and above-mentioned spinning reel 7 is rotated in said fixing spool 8, be formed at the top and bottom of above-mentioned Ao Haimu ring 16 separately and utilize the extrusion that acts on the gas refrigerant of the lower end of above-mentioned Ao Haimu ring and upper end separately from delivery chamber 11 and pressing chamber P to press (high pressure) and middle the pressure to make above-mentioned Ao Haimu ring 16 and spinning reel 7 come-ups and make spinning reel 7 be close to fixedly the upper end closed chamber 17 and the lower end closed chamber 19 of spool 8, support the main body 5 of above-mentioned Ao Haimu ring 16 and spinning reel 7 etc. to form.Unaccounted symbol 16a is the top key 16a of Ao Haimu ring 16, and 16b is the bottom key 16b of Ao Haimu ring 16.
At this moment, above-mentioned spinning reel 7, in order to solve the problem that existing traditional low pressure type screw compressor exists, it is the problem of the most advanced and sophisticated sealing lead 7b of high temperature melting in the compressor P, adopted the spinning reel of removing most advanced and sophisticated sealing lead 7b 7 structures with high pressure type compressor one spline structure, like this, just can be the same with high pressure type screw compressor, can prevent that gas refrigerant from leaking from pressing chamber P, thereby can improve the reliability of equipment.
In addition, the upper end closed chamber 17 of above-mentioned Ao Haimu ring 16 is the ring structurees with certain width, and interconnects by the intercommunicating pore 7d of above-mentioned spinning reel 7 and the middle side of pressing of pressing chamber P; Particularly for upper end closed chamber 17, even in order to ensure when spinning reel 7 is rotated motion, also can make the gas refrigerant in the pressing chamber P be forced into the upper end closed chamber 17 that Ao Haimu encircles by the intercommunicating pore 7d of above-mentioned spinning reel 7 smoothly, its width is bigger slightly than the rotating diameter of above-mentioned spinning reel 7.
In addition, the lower end closed chamber 19 of above-mentioned Ao Haimu ring 16 also is the ring structure with certain width, and interconnects by the delivery chamber 11 of intercommunicating pore 21 with high pressure (extrude and press); Particularly for lower end closed chamber 19, in order to ensure the gas refrigerant that makes delivery chamber 11, the gas refrigerant that is high pressure is forced into the lower end closed chamber 19 that Ao Haimu encircles by above-mentioned intercommunicating pore 21 smoothly, and its width is bigger slightly than the rotating diameter of above-mentioned spinning reel 7.
Moreover, for the gas refrigerant of the high pressure that prevents to extrude from delivery chamber 11 and pressing chamber P and middle pressure condition to external leakage, installing separately on every side of upper and lower end closed chamber 17,19 at above-mentioned Ao Haimu ring 16 is provided with seal arrangement 18,20, and above-mentioned seal arrangement the 18, the 20th, the resin material good by resistance to heat is made, and is its section shape and is
The ring-type of state.
Have on the screw compressor of said structure, by by the intercommunicating pore 21 that links to each other with the delivery chamber of high pressure the gas refrigerant of high pressure (extrude and press) being applied to it at above-mentioned lower end closed chamber 19, and the gas refrigerant of pressing in the middle of the intercommunicating pore 7d of above-mentioned upper end closed chamber 17 by the spinning reel 7 that links to each other with pressing chamber makes is applied to it, thereby the gas refrigerant that utilizes high pressure and middle pressure condition makes Ao Haimu ring 16 and spinning reel 7 come-ups, and above-mentioned spinning reel 7 is close to fixedly on the spool 8.Now the active state with said structure is described as follows:
Seeing also shown in Figure 6ly, is to affact thrust profiles figure on spinning reel 7 and the Ao Haimu ring 16 by the come-up effect by gas refrigerant according to the present invention.And Fig. 7 is under bonding state as shown in Figure 4, the extrusion of gas refrigerant that utilization acts on the lower end closed chamber 19 of Ao Haimu ring 16 press and act on Ao Haimu ring (oldham ring) 16 upper end closed chamber 17 gas refrigerant in the middle of press, make Ao Haimu ring 16 and spinning reel 7 come-ups, and make above-mentioned spinning reel 7 be close to view on the fixing spool 8.
At first, the distribution that will act on spinning reel 7 and Ao Haimu ring 16 thrust by the come-up effect of gas refrigerant is described as follows: see also shown in Figure 6ly, act on the whole gas refrigerant strength F of whole spinning reel 7 in pressing chamber P
a, with the counterpressure F of the gas refrigerant of the high pressure conditions of the lower end closed chamber 19 that is pressed out to Ao Haimu ring 16 by the intercommunicating pore 21 that is connected delivery chamber 11 and Ao Haimu ring 16 lower end from delivery chamber 11
Ocm2Produce the balance that interacts and reach; And at this moment, up to above-mentioned whole gas refrigerant strength F
aCounterpressure F with gas refrigerant
Ocm2Reach mutually before the balance, above-mentioned Ao Haimu ring 16 and spinning reel 7 come-up certain altitudes, and as the gas condenser strength F that acts on whole spinning reel 7
aBe pressed out to the counterpressure F that Ao Haimu encircles the gas refrigerant of 16 lower end closed chambers 19
Ocm2Reach mutually after the balance, the above-mentioned Ao Haimu ring 16 and the rising of spinning reel 7 will stop.
In addition, be pressed out to the counterpressure F that Ao Haimu encircles the gas refrigerant of 16 lower end closed chambers 19
Ocm2With the gas condenser strength F that acts on whole spinning reel 7
aPoor, be exactly spinning reel and fixing variation of force size between the spool, thus at above-mentioned spinning reel 7 with thrust loss F fixedly takes place between the spool 8
Th1Particularly for the present invention, be pressed out to the counterpressure F that above-mentioned Ao Haimu encircles the gas refrigerant of 16 upper and lower end closed chambers 17,19 by adjustment
Ocm1, F
Ocm2Come the thrust loss F of corrective action in spinning reel 7
Th1+ F
Th2
That is to say, with mathematical expression represent to act on spinning reel 7 power, act on the power of Ao Haimu ring 16 and act on the relation of reaction thrust at spinning reel 7 two ends as follows:
1, acts on power on the spinning reel
F
th2+F
ocm1-F
a-F
th1＝0
F
th1＝F
th2+F
ocm1-F
a
2, act on power on the Ao Haimu ring
F
ocm2-F
th2-F
ocm1＝0
F
th2＝F
ocm2-F
ocm1
3, reaction thrust
F
th1＝F
ocm2-F
a
F
th2＝F
ocm2-F
ocm1
Next, act on the gas refrigerant that high pressure (extrusion) gas refrigerant of the lower end closed chamber 19 of the Ao Haimu ring 16 that is connected with the delivery chamber 11 of high pressure and the intercommunicating pore 7d by spinning reel 7 act on the middle pressure condition of the upper end closed chamber 17 that is connected in the Ao Haimu ring 16 of pressing a side in the middle of the pressing chamber P with utilizing by intercommunicating pore 21, make Ao Haimu ring 16 and spinning reel 7 come-ups and make spinning reel 7 be close to the procedure declaration of fixing spool 8 as follows: under coupled condition as shown in Figure 4, if connection power supply, driving by drive motor 2, centrifugal 3a of live axle 3 and live axle begins rotation and makes spinning reel 7 fixedly be rotated motion within the spool 8, and the compression (seeing also shown in Figure 2) that produces by rotatablely moving of above-mentioned spinning reel 7, the gas refrigerant of low-temp low-pressure will add the state that is pressed into High Temperature High Pressure.And at this moment, in order to prevent spinning reel 7 in the existing conventional construction and the wear phenomenon that rubbing action produced between the main body 5, the intercommunicating pore 21 of the lower end closed chamber 19 of delivery chamber 11 by interconnecting high pressure and Ao Haimu ring 16, the high pressure in the delivery chamber 11 (extrude and press) gas refrigerants are pressed out in the lower end closed chamber 19 of above-mentioned Ao Haimu ring 16.
See also shown in Figure 7, be under bonding state as shown in Figure 4, the extrusion of gas refrigerant that utilization acts on the lower end closed chamber of Ao Haimu ring press and act on Ao Haimu ring (oldham ring) the upper end closed chamber gas refrigerant in the middle of press, make Ao Haimu ring and spinning reel come-up, and make above-mentioned spinning reel be close to view on the fixing spool.The high-pressure gas refrigerant that is pressed out to like this in the lower end sealed type 19 is exerted pressure to being mounted on above-mentioned lower end closed chamber 19 seal arrangement 20 on every side, and be subjected to the seal arrangement 20 of above-mentioned gas refrigerant pressure effect, in outer circumferential face around being close to lower end closed chamber 19 and the complete airtight above-mentioned lower end closed chamber 19
The seal arrangement 20 of word shape is opened because being subjected to the high pressure effect of gas refrigerant and makes above-mentioned Ao Haimu ring 16 and spinning reel 7 come-ups to fixing spool 8 one sides, thereby can reduce the aforementioned body 5 that produces because of rotatablely moving of spinning reel 7 and the rubbing action between the spinning reel 7 greatly.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1, a kind of screw compressor is characterized in that it comprises:
Shell;
The drive motor that is fixed in seal container inside and forms by stator and rotor;
By the live axle of above-mentioned drive motor driven rotary;
By the rotation of above-mentioned live axle, the spinning reel that makes the rotation lap be rotated the refrigeration agent that motion and compression sucked in fixing lap reaches fixedly spool;
The Ao Haimu ring that prevents the rotation of above-mentioned spinning reel and above-mentioned spinning reel is rotated in the said fixing spool;
Be formed at the upper and lower end of above-mentioned Ao Haimu ring separately respectively, and utilize the extrusion that acts on the gas refrigerant of the lower end of above-mentioned Ao Haimu ring and upper end separately from delivery chamber and pressing chamber to press and middle the pressure makes above-mentioned Ao Haimu ring and spinning reel come-up, thereby make spinning reel be close to the fixedly upper and lower end closed chamber of spool; And
Support the above-mentioned Ao Haimu ring and the main body of spinning reel to form;
The upper end closed chamber of described Ao Haimu ring interconnects by the intercommunicating pore of above-mentioned spinning reel and the middle side of pressing of pressing chamber;
The lower end closed chamber of described Ao Haimu ring interconnects by the delivery chamber of intercommunicating pore and high pressure.
2, screw compressor according to claim 1 is characterized in that wherein said upper end closed chamber and lower end closed chamber are the ring structurees with certain width.
3, screw compressor according to claim 2 is characterized in that the upper end closed chamber that wherein said Ao Haimu encircles, and its width is bigger slightly than the rotating diameter of above-mentioned spinning reel.
4, screw compressor according to claim 2 is characterized in that wherein said Ao Haimu ring lower end closed chamber, and its width is bigger slightly than the rotating diameter of above-mentioned spinning reel.
5, screw compressor according to claim 1, it is characterized in that wherein said Ao Haimu ring the upper and lower end closed chamber around, install respectively separately and be provided with seal arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100375653A CN100476211C (en) | 2004-04-28 | 2004-04-28 | Screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100375653A CN100476211C (en) | 2004-04-28 | 2004-04-28 | Screw compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690422A CN1690422A (en) | 2005-11-02 |
| CN100476211C true CN100476211C (en) | 2009-04-08 |
Family
ID=35346103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100375653A Expired - Fee Related CN100476211C (en) | 2004-04-28 | 2004-04-28 | Screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100476211C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4666086B2 (en) * | 2009-03-24 | 2011-04-06 | ダイキン工業株式会社 | Single screw compressor |
| CN106151038B (en) * | 2015-03-23 | 2018-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and air conditioner |
| CN112343816B (en) * | 2020-10-27 | 2022-07-26 | 南京迪升动力科技有限公司 | Bidirectional floating pressing mechanism for reducing friction of moving turbine disc |
-
2004
- 2004-04-28 CN CNB2004100375653A patent/CN100476211C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1690422A (en) | 2005-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7695257B2 (en) | Apparatus for preventing vacuum of scroll compressor | |
| US8043079B2 (en) | Hermetic compressor and refrigeration cycle device having the same | |
| CN1333171C (en) | Compressor | |
| CN209354352U (en) | A kind of dry type double-screw compressor | |
| EP3418575A1 (en) | Compressor having integrated flow path structure | |
| US20100089093A1 (en) | Scroll compressor and refrigerating machine having the same | |
| CN100476211C (en) | Screw compressor | |
| KR100547331B1 (en) | Scroll compressor | |
| CN105697372A (en) | Scroll compressor and refrigeration system | |
| JP2018048649A (en) | Scroll compressor | |
| CN107035688A (en) | A kind of electromechanical integration oil-free turbo-compressor | |
| CN100455807C (en) | Screw compressor | |
| CN105840516A (en) | Rolling piston used for compressor | |
| CN105840515A (en) | Rolling piston used for compressor | |
| US7273361B2 (en) | Coupling structure of eccentric bush of scroll compressor | |
| CN100494683C (en) | Screw compressor | |
| CN100516526C (en) | Screw compressor | |
| CN100516525C (en) | Screw compressor | |
| CN105090031A (en) | Rotary compressor and refrigeration cycle device with same | |
| CN205172942U (en) | Rotary compressor | |
| JPWO2020148857A1 (en) | Scroll compressor | |
| KR100564969B1 (en) | Scroll compressor | |
| CN100383398C (en) | Closed rotary compressor bearing connection structure | |
| CN202659501U (en) | Rotary compressor | |
| JP4793286B2 (en) | Electric compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090408 Termination date: 20100428 |