CN100516527C - Variable radius scroll compressor - Google Patents
Variable radius scroll compressor Download PDFInfo
- Publication number
- CN100516527C CN100516527C CNB2004100982228A CN200410098222A CN100516527C CN 100516527 C CN100516527 C CN 100516527C CN B2004100982228 A CNB2004100982228 A CN B2004100982228A CN 200410098222 A CN200410098222 A CN 200410098222A CN 100516527 C CN100516527 C CN 100516527C
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- mentioned
- rotation
- different unit
- cut different
- 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
- Rotary Pumps (AREA)
Abstract
The radius variable scroll compressor includes rotating scroll, rotating shaft, centrifugal lining, etc. The rotating scroll engaged with a fixed scroll rotates to form two groups of two continuously moving compression chambers; the rotating shaft is connected between a driving motor and the rotating scroll to transmit the rotation force, and has a centrifugal part set on one end for centrifugal combination with the rotating scroll; and the centrifugal lining is set between the rotating scroll and the centrifugal part, so that the rotating scroll can withdraw away from the fixed scroll selectively according to the pressure inside the compression chamber. The centrifugal part is inserted inside some centrifugal hole.
Description
Technical field
The present invention relates to a kind of variable radius scroll compressor, particularly relate to and a kind ofly can process centrifugal lining easily, save cost, improve productive variable radius scroll compressor.Wherein, centrifugal lining is according to the pressure of the pressing chamber of scroll compressor, allows the rotation scrollwork retreat with radial direction within the specific limits selectively, zoom out and fixed scroll between distance.
Background technique
Scroll compressor generally is divided into fixation radius formula scroll compressor and variable radius scroll compressor.Wherein, the rotation scrollwork of fixation radius formula scroll compressor not the variation of condition by compression always along with the rotation of same track; The rotation scrollwork of variable radius scroll compressor is when flowing into pressing chamber and cause the improper property of pressure in pressing chamber ground to rise, for the breakage that prevents liner retreats with radial direction owing to liquid refrigeration agent, machine oil or foreign matter.
In variable radius scroll compressor, for the turning radius of rotation scrollwork can be changed, between running shaft and rotation scrollwork, slide bushing or slide blocks are set usually, centrifugal lining can also be set.
See also Fig. 1 to shown in Figure 4, Fig. 1 is the section of structure of existing variable radius scroll compressor; Fig. 2 is the structure oblique drawing of the centrifugal lining of existing variable radius scroll compressor.Fig. 3 is the sectional drawing of combining structure of the centrifugal lining of existing variable radius scroll compressor; Fig. 4 is the planimetric map of running structure of the centrifugal lining of existing variable radius scroll compressor.
As shown in Figure 1 to Figure 3, existing variable radius scroll compressor comprises fixed scroll 2, rotation scrollwork 3, running shaft 4, centrifugal lining 5.Wherein, fixed scroll 2 is fixed on the main frame 1, and possesses spiral liner 2a; Rotation scrollwork 3 is configured between above-mentioned main frame 1 and the fixed scroll 2 in the mode that can move relatively, possesses with the liner 2a of said fixing scrollwork 2 to coincide, and can form the spiral liner 3a of two a pair of pressing chamber P that move continuously; Running shaft 4 combines with drive motor (not shown) and rotation scrollwork, allows to the rotating force of drive motor is transferred to the rotation scrollwork; Centrifugal lining 5 is inserted in above-mentioned running shaft, and when the rotating force of drive motor was transferred to the rotation scrollwork, when the overcompression situation took place, guiding rotation scrollwork retreated within the specific limits.
The front-end face of above-mentioned running shaft 4 protrudes and is provided with centrifugal the 4a that inserts centrifugal lining 5 and rotating force is passed to the rotation scrollwork, and be provided with rotation mount surface 4b in a side of this centrifugal 4a outer circumferential face, be provided with to be the mode that D intersects type, and its rotation is subjected to the restriction of the break 5b that the back will illustrate.
Be provided with centrifugal hole 5a along the axle direction offset from center on above-mentioned centrifugal lining 5, a side of the inner peripheral surface of above-mentioned centrifugal hole 5a is protruded and is provided with break 5b, and it contacts with the rotation mount surface 4b of centrifugal 4a selectively, and limits its rotation.
Have the existing variable radius scroll compressor of said structure, do following running.
Drive motor obtains power supply, along with the rotation running shaft 5 of rotor (not shown) begins rotation, and rotation scrollwork 3 with centrifugal apart from cycle.Here, rotation scrollwork 3 and liner 2a, the 3a of fixed scroll 2 between form one two groups pressing chamber P, wherein each group has two pressing chambers, this pressing chamber P is by the lasting turning motion of rotation scrollwork 3, shift to the center, smaller volume is exported after suction, the compression refrigerant gas simultaneously.
At this moment, keep normal state if flow into the refrigerant gas of pressing chamber P, promptly, under normal operation, the liner 3a of rotation scrollwork 3 and the liner 2a of fixed scroll 2 will contact in the mode that line contacts, two pressing chambers form confined space mutually, and the break 6 of centrifugal lining 5 will be kept the state of the rotation mount surface 4b that does not contact centrifugal 4a shown in Fig. 4 (a).
On the contrary, if mixed a certain amount of above liquid refrigerant, machine oil or other foreign matters in the refrigerant gas of inflow pressing chamber P, the pressure of pressing chamber P will rise improperly, and the tendency that 3 generations of rotation scrollwork will retreat, and this tendency will be delivered to the centrifugal lining 5 of the lug boss 3b that is inserted in rotation scrollwork 3, centrifugal lining 5 will be shown in Fig. 4 (b), with the direction of retreat rotation of rotation scrollwork 3.The liner 3a of rotation scrollwork 3 and the liner 2a of fixed scroll 2 will zoom out in this process, make the pressurized gas of high pressure compressed chamber be leaked to the low pressure pressing chamber, prevent the liner 2a that causes owing to overcompression, the breakage of 3a with this.
But in existing variable radius scroll compressor, the break 5b of above-mentioned centrifugal lining 5 is arranged on the inner peripheral surface of centrifugal hole 5a, therefore has not only its processed complex, and cost increases the problem that producibility reduces.
That is,, need precision machining and the whole centrifugal hole 5a that centrifugal 4a of running shaft 4 contacts, have not only process engineering complexity then in order to process existing centrifugal lining 5, and the cost increase, its productive problem also can be reduced.
This shows that above-mentioned existing variable radius scroll compressor obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.Because the defective that above-mentioned existing variable radius scroll compressor exists, the inventor can improve general existing variable radius scroll compressor in the hope of founding a kind of variable radius scroll compressor of new structure, makes it have more practicability.
Summary of the invention
Main purpose of the present invention is, overcoming the defective that existing variable radius scroll compressor exists, is to make its centrifugal lining of processing easily and a kind of variable radius scroll compressor of new structure, technical problem to be solved are provided, save cost, improve producibility.Wherein, centrifugal lining is according to the pressure of the pressing chamber of scroll compressor, allows the rotation scrollwork retreat with radial direction within the specific limits selectively, zoom out and fixed scroll between distance, 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 variable radius scroll compressor that the present invention proposes, it comprises: rotation scrollwork, running shaft, centrifugal lining; Wherein, rotation scrollwork and fixed scroll coincide, and do turning motion, and form a pair of pressing chamber that moves continuously; One side of running shaft combines with above-mentioned drive motor, and opposite side combines with above-mentioned rotation scrollwork, is transferred to above-mentioned rotation scrollwork so that drive the rotating force of electrical equipment; And the front-end face of side protrusion is provided with centrifugal portion to be made it and centrifugal combination of above-mentioned rotation scrollwork, meanwhile in the bottom of above-mentioned centrifugal portion cut different unit is set, and the outer circumferential face of cut different unit has the rotation mount surface; Centrifugal lining is arranged between above-mentioned rotation scrollwork and the above-mentioned centrifugal portion, makes it to allow above-mentioned rotation scrollwork retreat with radial direction within the specific limits selectively according to the pressure of above-mentioned pressing chamber, zoom out and fixed scroll between distance; And be provided with centrifugal hole from central authorities along an axial lateral deviation, make above-mentioned centrifugal can insert, and be provided with the cut different unit accepting groove in the bottom of above-mentioned centrifugal hole, the diameter of cut different unit accepting groove is bigger than above-mentioned cut different unit, meanwhile inner circumferential surface possesses break, above-mentioned rotation mount surface is contacted also selectively can limit its rotation.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid variable radius scroll compressor, wherein said cut different unit and centrifugal portion are provided with in the mode that has same center.
Aforesaid variable radius scroll compressor, the degree of depth of wherein said cut different unit accepting groove are identical with the height of above-mentioned cut different unit at least.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technological scheme as can be known, the invention provides a kind of variable radius scroll compressor, it comprises rotation scrollwork, running shaft, centrifugal lining etc.Wherein, rotation scrollwork and fixed scroll coincide, and do turning motion, and form two groups of pressing chambers of one group two that move continuously; One side of running shaft combines with above-mentioned drive motor, and opposite side combines with above-mentioned rotation scrollwork, and the rotating force that drives electrical equipment is transferred to above-mentioned rotation scrollwork.And the front-end face of a side protrudes and is provided with centrifugal portion, makes it and centrifugal combination of above-mentioned rotation scrollwork, be provided with cut different unit in the bottom of above-mentioned centrifugal portion simultaneously, and the outer circumferential face of cut different unit has the rotation mount surface; Centrifugal lining is arranged between above-mentioned rotation scrollwork and the above-mentioned centrifugal portion, makes it to allow above-mentioned rotation scrollwork retreat with radial direction within the specific limits selectively according to the pressure of above-mentioned pressing chamber, zoom out and fixed scroll between distance.And be provided with centrifugal hole, make above-mentioned centrifugal can insert, be provided with the cut different unit accepting groove.
By technique scheme, variable radius scroll compressor of the present invention has following advantage at least: variable radius scroll compressor of the present invention, it not only processes centrifugal lining easily, reduces cost, can also improve producibility.
In sum, the variable radius scroll compressor of special construction of the present invention can be processed centrifugal lining easily, saves cost, improves producibility.Wherein, centrifugal lining is according to the pressure of the pressing chamber of scroll compressor, allows the rotation scrollwork retreat with radial direction within the specific limits selectively, zoom out and fixed scroll between distance.
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.
Description of drawings
Fig. 1 is the section of structure of existing variable radius scroll compressor.
Fig. 2 is the structure oblique drawing of the centrifugal lining of existing variable radius scroll compressor.
Fig. 3 is the sectional drawing of combining structure of the centrifugal lining of existing variable radius scroll compressor.
Fig. 4 is the planimetric map of running structure of the centrifugal lining of existing variable radius scroll compressor.
Fig. 5 is the structure oblique drawing of the centrifugal lining of variable radius scroll compressor of the present invention.
Fig. 6 is the section of structure of the centrifugal lining of variable radius scroll compressor of the present invention.
Fig. 7 is the running structural plan figure of the centrifugal lining of variable radius scroll compressor of the present invention.
14: running shaft 14a: centrifugal portion
14b: rotation mount surface 14d: cut different unit
15: centrifugal lining 15a: centrifugal hole
15b: break 15c: offset accepting groove
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of variable radius scroll compressor, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 5, Fig. 6, shown in Figure 7, Fig. 5 is the structure oblique drawing of the centrifugal lining of variable radius scroll compressor of the present invention; Fig. 6 is the section of structure of the centrifugal lining of variable radius scroll compressor of the present invention; Fig. 7 is the running structural plan figure of the centrifugal lining of variable radius scroll compressor of the present invention.
In explanation process of the present invention, for main idea of the present invention is clearly stated, will omit the function known altogether or the detailed description of structure.And identical with foregoing structure or similar part will be given identical or similar reference marks, and omit the detailed description to this.
To shown in Figure 6, variable radius scroll compressor of the present invention comprises fixed scroll 2, rotation scrollwork 3, running shaft 14, centrifugal lining 15 as Fig. 5.Wherein, fixed scroll 2 (showing among Fig. 1) is fixed on the main frame 1 (showing among Fig. 1), and possesses spiral liner 2a; Rotation scrollwork 3 (showing among Fig. 1) is configured between above-mentioned main frame 1 and the fixed scroll 2 in the mode that can move relatively, possess with the liner 2a of said fixing scrollwork 2 and coincide, and can form the spiral liner 3a of two groups of pressing chamber P of one group two that move continuously; One side of running shaft 14 combines with the drive motor (not shown), opposite side combines with rotation scrollwork 3, allow to the rotating force of drive motor is transferred to rotation scrollwork 3, and protrude at the front-end face of a side and to be provided with centrifugal 14a and to make it and rotate that scrollwork is centrifugal to be combined, meanwhile be provided with cut different unit 14d, and the outer circumferential face of cut different unit 14d has rotation mount surface 14b in the bottom of above-mentioned centrifugal 14a; Centrifugal lining is arranged between above-mentioned rotation scrollwork 3 and above-mentioned centrifugal the 14a, under the situation that makes it to rise in the pressure transition of above-mentioned pressing chamber P, by gas force allow the rotation scrollwork 3 retreat with radial direction within the specific limits, zoom out and fixed scroll 2 between distance.And be provided with centrifugal hole 15a from central authorities along an axial lateral deviation, above-mentioned centrifugal 14a can be inserted, and be provided with cut different unit accepting groove 15c in the bottom of above-mentioned centrifugal hole 15a, the diameter of cut different unit accepting groove 15c is bigger than above-mentioned cut different unit 14d, meanwhile inner circumferential surface possesses break 15b, above-mentioned rotation mount surface 14b is contacted also selectively can limit its rotation.
Promptly, the front-end face of above-mentioned running shaft 14 protrudes and is provided with centrifugal the 14a that inserts centrifugal lining 15 and rotating force is passed to rotation scrollwork 3, and the bottom of this centrifugal 14a is provided with cut different unit 14d with level altitude, and a side of cut different unit 14d outer circumferential face is provided with rotation mount surface 14b, is provided with in the mode that is the crossing type of D.And, when above-mentioned centrifugal 14a and cut different unit 14d are set, make them have identical center and be advisable.
Meanwhile, the height with above-mentioned cut different unit 14d is identical at least for the degree of depth of above-mentioned cut different unit accepting groove 15c.
As mentioned above, the present invention is provided with cut different unit 14d in centrifugal 14a bottom of running shaft 14, on above-mentioned cut different unit 14d, be provided with rotation mount surface 14b, centrifugal hole 15a bottom expansion at centrifugal lining 15 is provided with the diameter cut different unit accepting groove 15c bigger than cut different unit 14d, and on above-mentioned cut different unit accepting groove 15c, be provided with break 15b, therefore except with the contact position of above-mentioned rotation mount surface 14b and break 15b, other position of cut different unit 14d and cut different unit accepting groove 15c will can not contact.This structure is compared with existing structure, easier centrifugal lining 15 is processed.
That is, the present invention needn't carry out precision machining to whole centrifugal hole 15a, as long as precision machining is carried out at the centrifugal hole 15a position outside the cut different unit accepting groove 15c position as prior art when the centrifugal lining 15 of processing.Therefore dwindle the precision machining engineering, the processing of centrifugal lining 15 is more prone to, reduced cost then, also improved producibility.
The variable radius scroll compressor of the present invention that possesses said structure, its running is as follows.
Drive motor obtains power supply, along with the rotation running shaft 15 of rotor (not shown) begins rotation, and rotation scrollwork 3 with centrifugal apart from cycle.Here rotate scrollwork 3 and liner 2a, the 3a of fixed scroll 2 between form one two groups pressing chamber P, wherein each group has two pressing chambers, this pressing chamber P is by the lasting turning motion of rotation scrollwork 3, shift to the center, smaller volume is exported after suction, the compression refrigerant gas simultaneously.
At this moment, keep normal state if flow into the refrigerant gas of pressing chamber P, promptly, under normal operation, the liner 3a of rotation scrollwork 3 and the liner 2a of fixed scroll 2 will contact in the mode that line contacts, two pressing chambers form confined space mutually, and the break 15b of centrifugal lining 15 will keep the state of the rotation mount surface 14b that does not contact cut different unit 14d shown in Fig. 7 (a).
On the contrary, if mixed a certain amount of above liquid refrigerant, machine oil or other foreign matters in the refrigerant gas of inflow pressing chamber P, the pressure of pressing chamber P will rise improperly, and the tendency that 3 generations of rotation scrollwork will retreat, and this tendency will be delivered to the centrifugal lining 15 of the lug boss 3b that is inserted in rotation scrollwork 3, centrifugal lining 15 will be shown in Fig. 7 (b), with the direction of retreat rotation of rotation scrollwork 3.In this process, the liner 3a of rotation scrollwork 3 and the liner 2a of fixed scroll 2 will zoom out, and make the pressurized gas of high pressure compressed chamber be leaked to the low pressure pressing chamber, prevent the liner 2a that causes owing to overcompression, the breakage of 3a with this.
The technological innovation of the variable radius scroll compressor of the present invention that above-mentioned structure like this constitutes all has many saving graces for technician of the same trade now, and the progressive that possesses skills really.
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 (3)
1, a kind of variable radius scroll compressor is characterized in that it comprises: rotation scrollwork, running shaft, centrifugal lining;
Wherein, rotation scrollwork and fixed scroll coincide, and do turning motion, and form a pair of pressing chamber that moves continuously;
One side of running shaft combines with above-mentioned drive motor, and opposite side combines with above-mentioned rotation scrollwork, is transferred to above-mentioned rotation scrollwork so that drive the rotating force of electrical equipment; And
The front-end face protrusion of one side is provided with centrifugal portion to be made it and centrifugal combination of above-mentioned rotation scrollwork, meanwhile in the bottom of above-mentioned centrifugal portion cut different unit is set, and the outer circumferential face of cut different unit has the rotation mount surface;
Centrifugal lining is arranged between above-mentioned rotation scrollwork and the above-mentioned centrifugal portion, makes it to allow above-mentioned rotation scrollwork retreat with radial direction within the specific limits selectively according to the pressure of above-mentioned pressing chamber, zoom out and fixed scroll between distance; And
Be provided with centrifugal hole along an axial lateral deviation from central authorities, make above-mentioned centrifugal can insert, and be provided with the cut different unit accepting groove in the bottom of above-mentioned centrifugal hole, the diameter of cut different unit accepting groove is bigger than above-mentioned cut different unit, meanwhile inner circumferential surface possesses break, above-mentioned rotation mount surface is contacted also selectively can limit its rotation.
2, variable radius scroll compressor according to claim 1 is characterized in that wherein said cut different unit and centrifugal portion are provided with in the mode that has same center.
3, according to claim 1 or the described variable radius scroll compressor of claim 2, the degree of depth that it is characterized in that wherein said cut different unit accepting groove is identical with the height of above-mentioned cut different unit at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100982228A CN100516527C (en) | 2004-11-30 | 2004-11-30 | Variable radius scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100982228A CN100516527C (en) | 2004-11-30 | 2004-11-30 | Variable radius scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782397A CN1782397A (en) | 2006-06-07 |
| CN100516527C true CN100516527C (en) | 2009-07-22 |
Family
ID=36772911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100982228A Expired - Fee Related CN100516527C (en) | 2004-11-30 | 2004-11-30 | Variable radius scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516527C (en) |
-
2004
- 2004-11-30 CN CNB2004100982228A patent/CN100516527C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1782397A (en) | 2006-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5931650A (en) | Hermetic electric scroll compressor having a lubricating passage in the orbiting scroll | |
| KR100916554B1 (en) | Scroll compressor having a clearance for the oldham coupling | |
| CN102076970A (en) | Compressor | |
| CN103109089A (en) | Scroll type compressor | |
| CN202833164U (en) | Rotary-type compressor and cylinder body component thereof | |
| KR20200064608A (en) | Motor driven compressor apparatus | |
| US20090202376A1 (en) | Scroll-Type Fluid Machine | |
| KR20100095361A (en) | Scroll type compressor | |
| KR20060051788A (en) | Compressor | |
| CN103975163A (en) | Vane-type compressor | |
| CN102678546A (en) | Scroll compressor | |
| KR20030017757A (en) | Variable amount control apparatus for scroll compressor | |
| CN100516527C (en) | Variable radius scroll compressor | |
| US8585383B2 (en) | Scroll fluid machine | |
| US9200633B2 (en) | Scroll compressor with oldham ring having scroll-side keys and bearing-side keys | |
| KR20010014606A (en) | Positive displacement fluid machine | |
| CN113482932B (en) | Rotary compressor and refrigeration equipment | |
| KR102544769B1 (en) | Motor driven compressor apparatus | |
| KR20200004748A (en) | Scroll compressor | |
| KR100631724B1 (en) | Eccentric Device of Scroll Compressor | |
| JP4790757B2 (en) | Scroll compressor | |
| JP4253391B2 (en) | Scroll type compressor | |
| CN219754796U (en) | Scroll compressor and vehicle | |
| JP2006241993A (en) | Scroll compressor | |
| JP2009243373A (en) | Thrust bearing for 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: 20090722 Termination date: 20111130 |