CN1712715A - Vane supporting structure of compressor - Google Patents
Vane supporting structure of compressor Download PDFInfo
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- CN1712715A CN1712715A CN 200410019710 CN200410019710A CN1712715A CN 1712715 A CN1712715 A CN 1712715A CN 200410019710 CN200410019710 CN 200410019710 CN 200410019710 A CN200410019710 A CN 200410019710A CN 1712715 A CN1712715 A CN 1712715A
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- leaf spring
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- blade
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Abstract
The invention relates to a vanes supporting device for a compressor, which comprises an air cylinder mounted in the chassis, a revolution axis breakthroughing internal space of the air cylinder jointed in rotor, upper and lower shaft bearing plates assembled in top and bottom opening sides of the air cylinder forming the compression space with the air cylinder and supporting the revolution axis, vanes, vanes springs and their inserts holes. The vanes divide the air cylinder into each discharge chamber combined with the revolution axis, move the fluid-dividing board in the discharge chamber, up and down movable assembled with the upper and lower shaft bearing plates, slide on the dividing board and discharge the fluid in each discharge chamber into the chassis after compressing. The vanes springs are inserted into the inserting hole and elastic support the end of vanes.
Description
Technical field
The invention relates to the blade support structure of compressor,, make the spacing minimizing of electric structure portion and compression structure part and dwindle the blade support structure of the compressor of shaft length particularly about the mounting structure of leaf spring by the change support blade.
Background technique
In general, vane compressor is blade to be crimped on solid of rotation the cylinder interior spatial division is sucked, compresses, discharges fluid for suction and constricted zone.
Fig. 1 is the bottom sectional arrangement drawing of vane compressor in the past, and Fig. 2 is the oblique drawing of the compression structure part of compressor, and Fig. 3 is the sectional arrangement drawing of the compression structure part of compressor, and Fig. 4 is the planimetric map of the blade support structure of compressor.
As shown in the figure, vane compressor in the past is the electric structure portion that is installed in casing (1) inside upper part by producing power; Be connected electric structure portion, the compression structure part that can suck, compress, discharge fluid constitutes.
Electric structure portion is installed in the inside of casing (1), and the stator (11) of winding coil is arranged; Be pressed into fixed rotating shaft (4) at core, and can be inserted in rotor (12) formation of stator (11) inner rotation.
Compression structure part is for suction, compression refrigeration gas have inner space (V), comprises the cylinder (2) of the Lower Half that is fixed on casing (1); Conclude separately on cylinder (2) and below, form the upper axis board (3A) and the lower shaft board (3B) of cylinder assembly together; With the rotor (12) of electric structure portion when combining, (3A 3B) connects combination, and the power of electric structure portion is conveyed to the rotating shaft (4) of compression structure part with shaft bearing plate separately; Combine with rotating shaft (4) or one-body molded, and possess the division plate (5) that forms with sinusoidal wave apperance of bend point separately in bi-side up and down for the inner space of cylinder (2) (V) being divided into the 1st pressing chamber (S1) and the 2nd pressing chamber (S2); When rotating shaft (4) is rotated, separately pressing chamber (S1) (S2) is divided into the 1st blade (6A) and the 2nd blade (6B) of suction zone and constricted zone dividing that plate (5) two sides contacts lower end and upper end separately; Two ends are each blade of resilient support (6A) leaf spring (7) (6B) simultaneously; Be installed in the external profile surface of upper axis board (3A) and lower shaft board (3B), the top baffler (not shown) and the bottom baffler (not shown) of the discharge noise of the pressurized gas that decay (S2) is discharged from each pressing chamber (S1).
Shaft bearing plate (3A) is to form with the disk apperance below top the reaching that covers cylinder (2) (3B), and the propelling bearing portion (3a) of the enlarged portion (4b) of sliding support rotating shaft (4) is arranged; Its central authorities form the axis hole that connects rotating shaft (4), and the axial region (4a) of rotating shaft (4) is constituted with the radial bearing portion (3b) that radial direction supports rotationally.
Rotating shaft (4) be be inserted in metal (upper plate (3A) (3B) axis hole and supported axial region (4a) by radial bearing portion (3b) with radial direction; Form with the radial direction expansion in the Lower Half of axial region (4a), and its outer circumferential face one or after be assembled and divide plate (5), and the enlarged portion (4b) that is supported by metal (upper plate (3A) propelling bearing portion (3a) (3B) constitutes.
Enlarged portion (4b) is, when making the center consistent plane projection of its center and axial region (4a), is formed on the in the heart same of axial region (4a).Again, enlarged portion (4b) is when being the center with division plate (5), to form the identical symmetric figure of diameter of both sides up and down.
Undeclared symbol r1 is a radial bearing surface in the drawing, and r2 is a cardan shaft bearing surface radius, and SP is a suction pipe.
The working procedure of vane compressor in the past is as follows:
When the winding coil power supply of the rotor (11) of giving electric structure portion and rotor (12) when rotating, rotating shaft (4) and division plate (5) with rotor (12) combination rotate to a certain direction, blade (the 6A that contacts with the bi-side up and down of dividing plate (5) separately, 6B) with the height of dividing plate (5), back and forth change the 1st pressing chamber (S1) of cylinder (2) and the volume of the 2nd pressing chamber (S2) with opposite mutually up and down direction, meanwhile, by being installed in the suction pipe (SP) of above-mentioned cylinder (2) one sides, new refrigerant gas is drawn into the 1st pressing chamber (S1) and the 2nd pressing chamber (S2) continuously, after refrigerant gas is compressed gradually with the rotation of dividing plate (5), when the both sides protrusion curved face part of dividing plate (5) is discharged the moment of the moment of starting point to each exhaust port of process (not shown) from arrival, by alternately discharge of exhaust port separately.
At this moment, the axial region (4a) of rotating shaft (4) is, corresponding metal (upper plate (3A) axis hole (3B) (promptly, radial bearing surface) (r1) when being supported with radial direction, enlarged portion (4b) is, stable rotation (r2) is kept with the rotor shaft direction support in corresponding metal (upper plate (3A) plane (that is cardan shaft bearing surface) (3B).
But, as above the compressor of structure formation is in the past, support moves up and down with rotating shaft (4), and the division plate (5) of compression refrigeration gas and make it not break away from the mounting point, interfere as shown in Figure 1 with other components and parts in the compressor operating for preventing simultaneously, extend to top and the bottom shaft bearing plate (3A for making, the supporting portion (7a) in 3B) the outer circumferential face outside and perpendicular to supporting portion (7a), and connection supporting portion (7a), and the leaf spring (7) that the joint (7b) with certain-length constitutes is kept a determining deviation (L1) with stator (11), thereby, heat is engaged in the rotor (12) of rotating shaft (4) and the spacing between the enlarged portion (4b), that is, hot engagement height (L2) also should be kept more than the determining deviation.When hot engagement height (L2) when uprising, prolong with the length of rotating shaft (4), axle rigidity dies down, thereby, the mechanical, electrical vibration when rotating and the problem of noise.
Summary of the invention
For the objective of the invention is of addressing the above problem, the mounting structure by the leaf spring that improves support blade is provided, the hot engagement height that reduces rotor reduces the blade support structure of the compressor of mechanical, electrical vibration that causes and noise.
Include with the inner space of both-side opening up and down and constitute pressing chamber in order to reach the as above blade support structure of the compressor of the object of the invention, and be installed in the cylinder in the casing; Connect the inner space of above-mentioned cylinder, be pressed into the rotating shaft that is combined in rotor; Be installed in the upper and lower opening side of cylinder, and form compression volume and the top and the bottom shaft bearing plate of supporting revolving shaft with cylinder; Combine with rotating shaft and the inner space of cylinder is divided into separately pressing chamber, and the mobile division plate of the fluid of pressing chamber separately, when separately top and the bottom shaft bearing plate can combine up or down, rest in and divide sliding in state moving and cut off the fluid each pressing chamber in and compress separately the blade of back on the plate to the inner discharge of casing; Two ends with elastic support separately blade end and in the compressor that the leaf spring of the prolongation that possesses constitutes, in order to prevent that above-mentioned leaf spring and rotor from interfering, reduce the hot engagement height of rotor and form the top and the bottom shaft bearing plate that connects cylinder and the leaf spring patchhole of cylinder; Be inserted in above-mentioned leaf spring patchhole, do not interfere in the time of up and down reciprocatingly, and the leaf spring of elastic support blade end constitutes with rotor.
Its above-mentioned leaf spring patchhole is, comes support blade to arrange leaf spring with the perpendicular direction of the radial direction of rotating shaft, and blade installation portion with the perpendicular elongation line of radial direction on breakthrough form become to be advisable.
Above-mentioned leaf spring patchhole is, connects top and the bottom shaft bearing plate and cylinder, and extends to outer circumferential face, connects with rectangular that to form the timeliness fruit better.Again, above-mentioned leaf spring is to comprise support blade end separately, and extends to the supporting portion of above-mentioned leaf spring patchhole formation portion; For connecting separately supporting portion with the Vertical direction complications, and the joint that is inserted in the leaf spring patchhole constitutes suitable.
Advantage and good effect: the blade support structure of aforesaid compressor according to an embodiment of the invention is, leaf spring is inserted in and connects the leaf spring patchhole that top and the bottom shaft bearing plate and cylinder form and support separately blade, therefore, the mounting point of leaf spring is moved to the central direction of rotating shaft and is not interfered with the terminal part of stator, thereby, the mounting point of leaf spring can be enhanced a determining deviation (L3), and be engaged in the rotor of rotating shaft and the spacing between the enlarged portion with the L4 maintaining heat, that is hot engagement height.With structure comparison in the past, along with dwindling of hot engagement height, mechanical, electrical vibration and noise also are reduced thereupon, therefore, have the effect that can improve compressor reliability.
Description of drawings
Fig. 1 is the bottom sectional arrangement drawing of vane compressor in the past
Fig. 2 is the oblique drawing of the compression structure part of compressor
Fig. 3 is the sectional arrangement drawing of the compression structure part of compressor
Fig. 4 is the planimetric map of the blade support structure of compressor
Fig. 5 is the sectional arrangement drawing according to the compressor bottom of the blade support structure of one embodiment of the invention
The planimetric map of leaf spring mounting portion in Fig. 6 presentation graphs 5
Fig. 7 is " A-A " sectional drawing among Fig. 6
The explanation * of accompanying drawing major component symbol
1: casing 4: rotating shaft
6A, 6B: blade 102: cylinder
103A: upper axis board 103B: lower shaft board
102a, 103a, 103b: leaf spring patchhole 107: leaf spring
Embodiment
Following with reference to accompanying drawing, describe the blade support structure of compressor according to an embodiment of the invention in detail, give identical symbol to the part that structure was identical in the past and describe.
Fig. 5 is the sectional arrangement drawing according to the compressor substructure of the blade support structure of one embodiment of the invention, and the planimetric map of leaf spring mounting portion in Fig. 6 presentation graphs 5, Fig. 7 are the sectional drawings of " A-A " part among Fig. 6.
As shown in the figure, the electric structure portion of compressor with blade support structure of one embodiment of the invention is to be installed in the inside of casing (1), the stator (11) of winding coil to be arranged; Be pressed into fixed rotating shaft (4) at core, and can be inserted in rotor (12) formation of stator (11) inner rotation.
Compression structure part is by possessing inner space (V), and be fixed on the cylinder (102) of the Lower Half of casing (1) for suction, compression refrigeration gas; Conclude separately on cylinder (102) and below, form the upper axis board (103A) and the lower shaft board (103B) of cylinder together; With the rotor (12) of electric structure portion when combining, and with shaft bearing plate separately (103A 103B) connects combination, the power of electric structure portion is conveyed to the rotating shaft (4) of compression structure part; Combine with rotating shaft (4) or one-body molded, and possess the division plate (5) that forms with sinusoidal wave apperance of bend point separately in bi-side up and down for the inner space of cylinder (102) (V) being divided into the 1st pressing chamber (S1) and the 2nd pressing chamber (S2); When rotating shaft (4) is rotated, separately pressing chamber (S1) (S2) is divided into the 1st blade (6A) and the 2nd blade (6B) of suction zone and constricted zone dividing that plate (5) two sides contacts lower end and upper end separately; Connect the top and the bottom shaft bearing plate (103A that covers cylinder (102) in order to prevent to interfere with above-mentioned rotor (11), 103B) and cylinder (102), form leaf spring patchhole (103a, 103b, 102a), be inserted in its leaf spring patchhole (103a, 103b, 102a), two ends while each blade of resilient support (6A) leaf spring (107) (6B); Be installed in the external profile surface of upper axis board (103A) and lower shaft board (103B), the pressurized gas that decay (S2) is discharged from each pressing chamber (S1) produces the top baffler (not shown) and the bottom baffler (not shown) of noise.
Shaft bearing plate (103A) is to form with the disk apperance below top the reaching that covers cylinder (102) (103B), and the propelling bearing portion (3a) of the enlarged portion (4b) of sliding support rotating shaft (4); Its central authorities form the axis hole that connects rotating shaft (4), and the axial region (4a) of rotating shaft (4) is constituted with the radial bearing portion (3b) that radial direction supports rotationally.
The leaf spring patchhole (102a) that is formed on the leaf spring patchhole (103a) of upper axis board (103A) and is formed on the leaf spring patchhole (103b) of lower shaft board (103B) and is formed on cylinder (102) is, come support blade (6A to arrange leaf spring (107) separately with the perpendicular direction of the radial direction of rotating shaft (4), 6B) and blade installation portion with the perpendicular elongation line of radial direction on connect and form, at this moment, leaf spring patchhole (103a, 103b, 102a) be, extend to top and the bottom shaft bearing plate (103A, outer circumferential face 103B) becomes to be advisable with the rectangular breakthrough form.
And above-mentioned leaf spring (107) comprises separately blade of support (6A, 6B) end, and extend to above-mentioned leaf spring patchhole (103a, 103b, 102a) supporting portion of Xing Chenging (107a); For connecting separately above-mentioned supporting portion (107a) with the Vertical direction complications, and (joint 102a) (107b) constitutes suitable for 103a, 103b to be inserted in above-mentioned leaf spring patchhole.
Undeclared symbol r1 is a radial bearing surface in the drawing, and r2 is the cardan shaft bearing surface, and SP is a suction pipe.
The working procedure of compressor of blade support structure that has as above the one embodiment of the invention that constitutes is as follows:
Give the winding coil power supply of stator (11) of electric structure portion and rotor (12) when rotating, rotating shaft (4) and division plate (5) with rotor (12) combination rotate to a certain direction, blade (the 6A that contacts with the bi-side up and down of dividing plate (5) separately, 6B) with the height of dividing plate (5), back and forth change the 1st pressing chamber (S1) of cylinder (2) and the volume of the 2nd pressing chamber (S2) with opposite mutually up and down direction, meanwhile, by possessing suction pipe (SP) in cylinder (2) one sides, new refrigerant gas is drawn into the 1st pressing chamber (S1) and the 2nd pressing chamber (S2) continuously, after refrigerant gas is compressed gradually with the rotation of dividing plate (5), when the both sides protrusion curved face part of dividing plate (5) is discharged the moment of the moment of starting point to each exhaust port of process (not shown) from arrival, by alternately discharge of exhaust port separately.
As mentioned above, when discharging by exhaust port in the process of refrigerant gas, support moves up and down with rotating shaft (4), and the division plate (5) of compression refrigeration gas and make it not break away from the mounting point, simultaneously for prevent and stator (11) between interference, as, 5 shown in Figure 7, the mounting point of leaf spring (107) is the central direction with rotating shaft, by leaf spring patchhole (103a, 103b, 102a) insert installation leaf spring (107), thereby, as shown in Figure 5, can make the terminal part high determining deviation (L3) of the mounting point of leaf spring (107) than stator (11), therefore, can be engaged in the rotor (12) of rotating shaft (4) and the spacing between the enlarged portion (4b) with the L4 maintaining heat, that is, and hot engagement height.(Fig. 2,5,7) as above be according to the blade support structure of compressor of the present invention, leaf spring (107) is inserted in and connects top and the bottom shaft bearing plate (103A, 103B) and the leaf spring patchhole (103a that forms of cylinder (102), 103b, 102a) support separately blade (6A, 6B), therefore, the mounting point of leaf spring (107) is moved to the central direction of rotating shaft (4) and is not interfered with the terminal part of stator (11), thereby, the mounting point of leaf spring (107) can be enhanced a determining deviation (L3), and is engaged in the rotor (12) of rotating shaft (4) and the spacing between the enlarged portion (4b) with the L4 maintaining heat, promptly, hot engagement height, and, dwindle machine along with hot engagement height (L4), electric oscillation and noise also are reduced thereupon.
Claims (4)
1. the blade support structure of a compressor is constituting pressing chamber with the inner space of both-side opening up and down, and is installed in the cylinder of casing inside; Connect the inner space of above-mentioned cylinder, be pressed into the rotating shaft that is combined in rotor; Cover the upper and lower opening side of above-mentioned cylinder, and form compression volume and the top and the bottom shaft bearing plate of supporting revolving shaft with cylinder; Combine with rotating shaft and the inner space of cylinder is divided into separately pressing chamber, and the mobile division plate of the fluid of pressing chamber separately, when separately top and the bottom shaft bearing plate can combine up or down, rest in and divide sliding in state moving and cut off fluid each pressing chamber on the plate, and compress separately the blade of back to the inner discharge of casing; Separately with elastic support separately blade end and in the compressor that the leaf spring of the prolongation that possesses constitutes, it is characterized in that: it has in order to prevent that above-mentioned leaf spring and rotor from interfering, and reduces the hot engagement height of rotor and forms and connect the top and the bottom shaft bearing plate that covers above-mentioned cylinder and the leaf spring patchhole of cylinder; Be inserted in above-mentioned leaf spring patchhole, do not interfere in the time of up and down reciprocatingly, and the leaf spring of elastic support blade end constitutes with above-mentioned rotor.
2. the blade support structure of compressor according to claim 1 is characterized in that: above-mentioned leaf spring patchhole is, to arrange with the perpendicular direction of the radial direction of rotating shaft that leaf spring comes support blade blade installation portion with the perpendicular elongation line of radial direction on connect and form.
3. the blade support structure of compressor according to claim 1 and 2 is characterized in that: above-mentioned leaf spring patchhole is to connect top and the bottom shaft bearing plate and cylinder, and extend to outer circumferential face, with rectangular perforation formation.
4. the blade support structure of compressor according to claim 1 is characterized in that: above-mentioned leaf spring is to comprise support blade end separately, and extends to the supporting portion of above-mentioned leaf spring patchhole formation portion; For connecting separately supporting portion with the Vertical direction complications, and the joint that is inserted in the leaf spring patchhole constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100197105A CN100424356C (en) | 2004-06-21 | 2004-06-21 | Vane supporting structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100197105A CN100424356C (en) | 2004-06-21 | 2004-06-21 | Vane supporting structure of compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1712715A true CN1712715A (en) | 2005-12-28 |
| CN100424356C CN100424356C (en) | 2008-10-08 |
Family
ID=35718468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100197105A Expired - Fee Related CN100424356C (en) | 2004-06-21 | 2004-06-21 | Vane supporting structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424356C (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01232192A (en) * | 1988-03-11 | 1989-09-18 | Matsushita Refrig Co Ltd | Horizontal rotary compressor |
| US5470214A (en) * | 1992-12-17 | 1995-11-28 | Goldstar Co., Ltd. | Lubricating device for horizontal type hermetic compressor |
| JPH08193586A (en) * | 1995-01-13 | 1996-07-30 | Matsushita Electric Ind Co Ltd | Rotary type motor-driven compressor |
| US7040883B2 (en) * | 2001-11-20 | 2006-05-09 | Lg Electronics Inc. | Vane supporting apparatus for hermetic compressor |
| KR100763160B1 (en) * | 2001-12-28 | 2007-10-08 | 주식회사 엘지이아이 | Vane for compressor |
| CN1532419A (en) * | 2003-03-21 | 2004-09-29 | 乐金电子(天津)电器有限公司 | Blade protector of closed compressor |
-
2004
- 2004-06-21 CN CNB2004100197105A patent/CN100424356C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100424356C (en) | 2008-10-08 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 |