CN202789518U - Eccentric disc fixed type anti-reverse-autorotation scroll compressor - Google Patents
Eccentric disc fixed type anti-reverse-autorotation scroll compressor Download PDFInfo
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- CN202789518U CN202789518U CN 201120501453 CN201120501453U CN202789518U CN 202789518 U CN202789518 U CN 202789518U CN 201120501453 CN201120501453 CN 201120501453 CN 201120501453 U CN201120501453 U CN 201120501453U CN 202789518 U CN202789518 U CN 202789518U
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- eccentric
- eccentric disc
- orbiting scroll
- movable orbiting
- filament body
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Abstract
The utility model relates to an eccentric disc fixed type anti-reverse-autorotation scroll compressor. The eccentric disc fixed type anti-reverse-autorotation scroll compressor comprises a shell, wherein a first end is driven by a power source; a main shaft of an eccentric disc is arranged at a second end extending into the shell; a movable vortex plate and a fixed vortex plate which is matched with the movable vortex plate are arranged on the eccentric disc in the shell, and a low-pressure cavity is formed between the movable vortex plate and the fixed vortex plate; a high-pressure cavity is formed between the fixed vortex plate and the shell; exhaust holes positioned on the fixed vortex plate ensure that the high-pressure cavity is communicated with the low-pressure cavity; and a movable vortex plate vortex filament body and a fixed vortex plate vortex filament body are arranged on the movable vortex plate and the fixed vortex plate respectively. The eccentric disc fixed type anti-reverse-autorotation scroll compressor is characterized in that a step shaft which is concentric with the main shaft and an eccentric positioning pin which is integrated with the step shaft with the center deviating from the center of the main shaft are arranged at the second end of the main shaft, a step shaft hole and an eccentric positioning pin hole which are respectively matched with the step shaft and the eccentric positioning pin are formed on the eccentric disc, an eccentric shaft which is matched with the movable vortex plate is arranged on the eccentric disc, and the center of the eccentric shaft is superposed with that of the movable vortex plate. The eccentric disc fixed type anti-reverse-autorotation scroll compressor is convenient to process, easy to assemble, reliable in adjustment, low in noise, and low in production cost.
Description
Technical field:
The utility model is relevant with scroll compressor, and is special relevant with adverse-rotation-preventing scroll compressor with fixed eccentric disc.
Background technique:
At present, the major character of the mode of the scroll relative movement radial seal gas in the scroll compressor of the anti-reverse rotation of known eccentric wheel floating adjustable-type is the eccentric wheel floating adjustable-type.Eccentric volume is large, and eccentric wheel cooperates the needle bearing that is assembled into special use with Moving plate, and the eccentric subdivision material of taking turns that matches with needle bearing is Bearing Steel, and other parts are the stamping material combination or are overall shaped into eccentric wheel; Or the eccentric wheel place that matches with needle bearing studs with the alloy steel bushing.So not only requirement on machining accuracy is high, and cost is high, and degrees of freedom and difficulty that simultaneously assembling is regulated increase, and it is many to adjust parameter, has polytrope.Needle bearing friction factor on it is greater than the long lifetime deep groove ball bearing.The eccentric wheel that the vortex body positive and negative rotation of same size adopts can not be general, and supporting cost increases.The larger noise that complete machine is in operation and also exists the unsteady regulative mode of eccentric wheel to produce.
How to improve the convenience of its processing, the reliability of adjusting, reduce machining accuracy, assembling difficulty, reduce to move noise, reduce simultaneously product cost, this just need to exchange pitch diameter to the mode of sealing gas---and the principle of the unsteady regulative mode of eccentric wheel is improved, and becomes for a long time the important topic of research.
The model utility content:
The purpose of this utility model is the deficiency for the scroll compressor of the anti-reverse rotation of eccentric wheel floating adjustable-type, provide a kind of easy to process, assembling easily, regulate reliable, as to reduce the fixed anti-reverse rotation of eccentric disc that moves noise, reduce production costs scroll compressor.
The purpose of this utility model is achieved like this:
The utility model adverse-rotation-preventing scroll compressor with fixed eccentric disc, comprise housing, first end is driven by power source and stretches into the main shaft that eccentric disc is housed on the second end in the housing, be positioned at the quiet whirlpool dish that housing is contained in the movable orbiting scroll on the eccentric disc and cooperates with it, moving, between the dish of quiet whirlpool low-pressure cavity is arranged, between quiet whirlpool dish and housing hyperbaric chamber is arranged, be positioned at exhaust port on the dish of quiet whirlpool with height, low-pressure cavity is communicated with, moving, on the dish of quiet whirlpool movable orbiting scroll vortex filament body is arranged respectively, quiet whirlpool dish vortex filament body, it is characterized in that having on main shaft the second end with the concentric Step Shaft of main shaft with Step Shaft and be integral and the eccentric pin of the misalignment alignment of shafts, have on the eccentric disc respectively with main shaft on Step Shaft and the eccentric pin step axle hole machine and the eccentric pin hole that cooperate, the eccentric shaft that matches with movable orbiting scroll is arranged, eccentric shaft center and movable orbiting scroll center superposition on the eccentric disc.
Above-mentioned movable orbiting scroll vortex filament body basic circle center and movable orbiting scroll center superposition, dish vortex filament body basic circle center, quiet whirlpool overlaps with quiet whirlpool disk center, movable orbiting scroll vortex filament body tongue is faced a plane of inclination (also can adopt special surface to form the direction that changes the force action line) directly, this plane of inclination angle (b) is between 1-5 degree, when the relatively quiet whirlpool of movable orbiting scroll vortex filament body dish vortex filament body is made circumference parallel cooperation pressurized gas, the formed power gas of pressurized gas is positioned at all the time the left position at eccentric shaft center on the eccentric disc and forms an a value and (can also move by paired negative bias the reaction of the movable orbiting scroll vortex filament body line of making a concerted effort, the basic circle center of quiet vortex filament body and moving with separately not, quiet whirlpool disk center overlaps to increase a value), less than movable orbiting scroll vortex filament body base circle diameter (BCD), the vortex filament body is subjected to power gas effect center of eccentric shaft on eccentric disc to do the rotation of circumferencial direction and the automatically anti-reverse rotation of adjusting to a value on the movable orbiting scroll greater than 0.
Between above-mentioned movable orbiting scroll and eccentric disc deep groove ball bearing is arranged.
Clutch with the clutch sucker is housed on the first end of above-mentioned main shaft.
On the above-mentioned main shaft first end rotor that is positioned at housing is housed, is positioned at the motor stator of rotor periphery.
Eccentric disc in the utility model takes whole centering offset to be packed on the main shaft of scroll compressor, forms fixedly eccentric disc; Match the with it a pair of dynamic and static vortex filament body basic circle center of work overlaps with corresponding dynamic and static whirlpool disk center respectively, makes the adjusting of its dynamic and static whirlpool dish relative movement sealing gas mode automatically regulate reliably anti-reverse rotation by power gas; Bearing on the movable orbiting scroll on it adopts the long lifetime deep groove ball bearing to replace existing special-purpose needle bearing.More than integrated unified scroll compressor, automatically regulate anti-reverse rotation during operation, form reliably the second heavily anti-reverse rotation (the first heavily anti-rotation is to be controlled with steel ball by the orbit ring of steel ball); Same eccentric disc can be used for the vortex body type of the positive and negative rotation of same size.
Anti-reverse rotation mode in the utility model is simple in structure, easy to process, saves cost, the auxiliary equipment highly versatile, buying through Experimental Comparison, has reduced the complete machine noise with easy to assembly, reduced cost, made things convenient for assembling to regulate, strengthened significantly the reliability of complete machine and prolonged working life.
Description of drawings:
Fig. 1 is the structural representation of the utility model adverse-rotation-preventing scroll compressor with fixed eccentric disc.
Fig. 2 is the assembling schematic representation that main shaft cooperates with eccentric disc, deep groove ball bearing, movable orbiting scroll among Fig. 1.
Fig. 3 is fixed whole eccentric disc structural representation.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the movable orbiting scroll structural representation.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is quiet whirlpool dish structural representation.
Fig. 8 is the left view of Fig. 7.
Position view when Fig. 9 is steel ball and dynamic and static orbit ring routing motion.
Figure 10 is the schematic representation of a pair of whirlpool dish when pressurized gas is worked among Fig. 1.
Figure 11 be the relatively quiet whirlpool of movable orbiting scroll dish do the circumference parallel motion below the time movable orbiting scroll vortex filament bodies be subjected to power gas composite force effect schematic representation.
Figure 12 is that the relatively quiet whirlpool of movable orbiting scroll dish is made circumference parallel motion movable orbiting scroll vortex filament body when left and is subjected to power gas composite force effect schematic representation.
Figure 13 be the relatively quiet whirlpool of movable orbiting scroll dish do the circumference parallel motion up the time movable orbiting scroll vortex filament body be subjected to power gas composite force effect schematic representation.
Figure 14 is that the relatively quiet whirlpool of movable orbiting scroll dish is made circumference parallel motion movable orbiting scroll vortex filament body when right-hand and is subjected to power gas composite force effect schematic representation.
Figure 15 is the structural representation of the fixed anti-reverse rotation electric scroll compressor of eccentric disc.
Embodiment:
Embodiment 1:
Fig. 1～Figure 14 has provided present embodiment 1 figure.Referring to Fig. 1～Figure 14, present embodiment 1 adverse-rotation-preventing scroll compressor with fixed eccentric disc, comprise the housing that is formed by upper shell 14, lower shell body 13, driven by power source (such as motor) and the second end stretches into the main shaft 3 in the housing by being contained in the clutch 2 with clutch sucker 1 on the first end, be positioned at that housing is contained in the movable orbiting scroll 7 on the eccentric disc and the quiet whirlpool that cooperates with it coils 8.Between the dish of dynamic and static whirlpool low-pressure cavity 9 is arranged.Between quiet whirlpool dish and lower shell body hyperbaric chamber 11 is arranged.The exhaust port 10 that is positioned on the dish of quiet whirlpool is communicated with the high and low pressure chamber.Movable orbiting scroll vortex filament body 7-1, quiet whirlpool dish vortex filament body 8-1 are arranged respectively on the dish of dynamic and static whirlpool.Have on main shaft the second end with the concentric Step Shaft 3-1 of main shaft with Step Shaft and be integral and the eccentric pin 3-2 of the misalignment alignment of shafts.Have on the eccentric disc 4 respectively with main shaft on Step Shaft and the eccentric pin step axle hole machine 4-1 and the eccentric pin hole 4-2 that cooperate.The eccentric shaft 4-3 that matches with the center 7-2 in movable orbiting scroll upper bearing (metal) hole is arranged on the eccentric disc.Eccentric shaft center and movable orbiting scroll center superposition.Deep groove ball bearing 6 is arranged between movable orbiting scroll and eccentric disc.Quiet whirlpool dish 8, lower shell body 13, upper shell 14 are fixed together by bolt.
Referring to Fig. 5, Fig. 6, movable orbiting scroll vortex filament body basic circle 7-3 centers and movable orbiting scroll center superposition.Movable orbiting scroll vortex filament body tongue has been faced a plane of inclination 7-4 directly, and this plane of inclination angle b is 3 °.
Referring to Fig. 7, Fig. 8, dish vortex filament body basic circle 8-2 centers, quiet whirlpool overlap with quiet whirlpool disk center.
Referring to Fig. 1, Fig. 9, Fig. 9 is steel ball and dynamic and static orbit ring operation schematic representation.Be fixed with moving orbit ring 5-1 on the movable orbiting scroll, be fixed with quiet orbit ring 5-2 on the upper shell right side.In the middle of moving orbit ring 5-1 and the quiet orbit ring 5-2 steel ball 5-3 is arranged.Moving orbit ring is made the parallel high-speed mobile of circumference around quiet orbit ring by steel ball.When each part cooperates gapless in processing dimension, can form the first heavily anti-reverse rotation.The relatively quiet whirlpool of movable orbiting scroll 7 dish 8 is made high speed circumference parallel under the drive of main shaft 3 by eccentric disc.
Figure 10 is the schematic representation of a pair of whirlpool dish when pressurized gas is worked.Movable orbiting scroll vortex filament body is made the parallel high-speed motion of circumference, suction, exhaust body with respect to quiet whirlpool dish vortex filament body.Sequence number 9,10-1 is respectively low pressure gas body cavity and the heavy pressure gas chamber of a pair of symmetry among the figure.End face circular arc arrow direction is that movable orbiting scroll is made the circumference direction of translatory motion on the figure.
Figure 11～Figure 14 is when to be movable orbiting scroll with respect to quiet whirlpool dish make the circumference parallel, and movable orbiting scroll vortex filament body is subjected to the schematic representation of power gas composite force effect.When the relatively quiet whirlpool of movable orbiting scroll vortex filament body dish vortex filament body is made circumference parallel cooperation pressurized gas, the formed power gas of pressurized gas is positioned at all the time the left position at eccentric shaft center on the eccentric disc and forms an a value the reaction of the movable orbiting scroll vortex filament body line F that makes a concerted effort, the a value greater than 0 less than movable orbiting scroll vortex filament body base circle diameter (BCD), movable orbiting scroll vortex filament body is subjected to the power gas effect, the direction rotation of circumference parallel is done at the center of eccentric shaft on eccentric disc, by moving orbit ring, steel ball, all the time rely on quiet orbit ring and automatically regulate anti-reverse rotation, form the second heavily anti-reverse rotation.Sequence number 7-5,7-2 is respectively movable orbiting scroll motion circle, movable orbiting scroll center among the figure.
But but movable orbiting scroll vortex filament body center also negative bias move movable orbiting scroll circle center, dish vortex filament body center, quiet whirlpool also negative bias move dish circle center and corresponding with movable orbiting scroll vortex filament body center, quiet whirlpool.Dynamic and static whirlpool dish relative motion is regulated anti-reverse rotation automatically by power gas.
Embodiment 2:
Figure 15 has provided present embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1, and not existing together is that main shaft 3 can extract from the right.Main shaft is driven by the rotor 2-1 that is installed on its first end, and motor stator 1-1 is positioned at the rotor periphery.Lower shell body 13, upper shell 14 connect firmly together by bolt.The present embodiment increase has middle node cover 15 to be used for fixedly intermediate bearing 16, and main shaft 3 can pass intermediate bearing 16 insertion fixed eccentric dishes and the fixed eccentric dish is connected.
Above-described embodiment is that foregoing of the present invention is further described, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to above-described embodiment.All technology that realizes based on foregoing all belong to scope of the present invention.
Claims (5)
1. adverse-rotation-preventing scroll compressor with fixed eccentric disc, comprise housing, first end is driven by power source and stretches into the main shaft that eccentric disc is housed on the second end in the housing, be positioned at the quiet whirlpool dish that housing is contained in the movable orbiting scroll on the eccentric disc and cooperates with it, moving, between the dish of quiet whirlpool low-pressure cavity is arranged, between quiet whirlpool dish and housing hyperbaric chamber is arranged, be positioned at exhaust port on the dish of quiet whirlpool with height, low-pressure cavity is communicated with, moving, on the dish of quiet whirlpool movable orbiting scroll vortex filament body is arranged respectively, quiet whirlpool dish vortex filament body, it is characterized in that having on main shaft the second end with the concentric Step Shaft of main shaft with Step Shaft and be integral and the eccentric pin of the misalignment alignment of shafts, have on the eccentric disc respectively with main shaft on Step Shaft and the eccentric pin step axle hole machine and the eccentric pin hole that cooperate, the eccentric shaft that matches with movable orbiting scroll is arranged, eccentric shaft center and movable orbiting scroll center superposition on the eccentric disc.
2. adverse-rotation-preventing scroll compressor with fixed eccentric disc as claimed in claim 1, it is characterized in that movable orbiting scroll vortex filament body basic circle center and movable orbiting scroll center superposition, dish vortex filament body basic circle center, quiet whirlpool overlaps with quiet whirlpool disk center, movable orbiting scroll vortex filament body tongue has been faced a plane of inclination directly, this plane of inclination angle (b) is between 1-5 degree, when the relatively quiet whirlpool of movable orbiting scroll vortex filament body dish vortex filament body is made circumference parallel cooperation pressurized gas, the formed power gas of pressurized gas is positioned at all the time the left position at eccentric shaft center on the eccentric disc and forms an a value the reaction of the movable orbiting scroll vortex filament body line of making a concerted effort, less than movable orbiting scroll vortex filament body base circle diameter (BCD), the vortex filament body is subjected to power gas effect center of eccentric shaft on eccentric disc to do the rotation of circumferencial direction and the automatically anti-reverse rotation of adjusting to a value on the movable orbiting scroll greater than 0.
3. adverse-rotation-preventing scroll compressor with fixed eccentric disc as claimed in claim 1 or 2 is characterized in that between movable orbiting scroll and eccentric disc deep groove ball bearing being arranged.
4. adverse-rotation-preventing scroll compressor with fixed eccentric disc as claimed in claim 1 or 2 is characterized in that being equipped with on the first end of main shaft the clutch with the clutch sucker.
5. adverse-rotation-preventing scroll compressor with fixed eccentric disc as claimed in claim 1 or 2 is characterized in that on the first end of main shaft the rotor that is positioned at housing being housed, and is positioned at the motor stator of rotor periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120501453 CN202789518U (en) | 2011-12-06 | 2011-12-06 | Eccentric disc fixed type anti-reverse-autorotation scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120501453 CN202789518U (en) | 2011-12-06 | 2011-12-06 | Eccentric disc fixed type anti-reverse-autorotation scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789518U true CN202789518U (en) | 2013-03-13 |
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ID=47816788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120501453 Expired - Fee Related CN202789518U (en) | 2011-12-06 | 2011-12-06 | Eccentric disc fixed type anti-reverse-autorotation scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392820A (en) * | 2011-12-06 | 2012-03-28 | 乔建设 | Adverse-rotation-preventing scroll compressor with fixed eccentric disc |
-
2011
- 2011-12-06 CN CN 201120501453 patent/CN202789518U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392820A (en) * | 2011-12-06 | 2012-03-28 | 乔建设 | Adverse-rotation-preventing scroll compressor with fixed eccentric disc |
| CN102392820B (en) * | 2011-12-06 | 2015-01-21 | 乔建设 | Adverse-rotation-preventing scroll compressor with fixed eccentric disc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20201206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |