CN100424353C - Wear prevention device for vortex type compressor - Google Patents
Wear prevention device for vortex type compressor Download PDFInfo
- Publication number
- CN100424353C CN100424353C CNB031302041A CN03130204A CN100424353C CN 100424353 C CN100424353 C CN 100424353C CN B031302041 A CNB031302041 A CN B031302041A CN 03130204 A CN03130204 A CN 03130204A CN 100424353 C CN100424353 C CN 100424353C
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- CN
- China
- Prior art keywords
- frame
- lining
- scroll compressor
- live axle
- shaft
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Abstract
The present invention relates to a wear preventing device of a scroll compressor, which belongs to the field of a compressor. The present invention solves the problem of the wear of a drive shaft and a frame shaft in the scroll compressor. The present invention comprises a fixed scroll disc, a rotary scroll disc, a frame, a drive shaft, a rolling shaft lining sleeve, etc., wherein the rotary scroll disc is engaged with the fixed scroll disc to continuously move to form a plurality of compression chambers; the frame supports the rotary scroll disc to rotate in an axial direction, and a shaft hole is formed at the center position of the frame in a penetrating way; the drive shaft is inserted into the shaft hole of the frame is combined in a rotor of a drive motor and is used for transferring rotating force to the rotary scroll disc; the rolling shaft lining sleeve is inserted between the shaft hole of the frame and the smooth surface of the drive shaft in a rotating way to cause the outer circumferential surface and the inner circumferential surface of the rolling shaft lining sleeve to respectively form a bearing surface. Even if the drive shaft rotates at a high speed, the structure can also cause the rolling shaft lining sleeve to rotate together, and the drive shaft can be supported in the radius direction of the shaft hole of the frame. Thereby, the wear of the drive shaft or the wear between the drive shaft and the combined shaft hole of the frame is effectively prevented.
Description
Technical field
The invention belongs to compressor field and relate to a kind of device that weares and teares of preventing of scroll compressor, particularly about: get involved between main frame or auxilliary framework and the live axle roller bearing lining that can rotation scroll compressor prevent wear device.
Background technique
In general, scroll compressor is applicable to the air regulator field widely, compressor as the high efficiency low noise, its mode of operation is two whirlpool dishes to be carried out relative revolution move, and by this, makes the formation of the multiple compressing chambers Cheng Shuan between the dish scrollwork of whirlpool, this pressing chamber moves to central direction rapidly, meanwhile, smaller volume, thereby the suction that cold media air is continuous compression and discharge.
Fig. 1 is the scroll compressor part sectional arrangement drawing according to conventional art.
As shown in the figure, the formation of scroll compressor in the past includes: the shell (1) that has possessed gas suction pipe (SP) and gas outlet pipe (DP); Be separately fixed at the main frame (2) and the auxilliary framework (not shown) of the inner both sides up and down of shell (1); The drive motor of between above-mentioned main frame (2) and auxilliary framework (not shown), installing that rotating force is provided (3); Be pressed into the rotor center of drive motor (3), thereby connected the live axle (4) of the rotating force that the transmission drive motor (3) of main frame (1) produces; Be combined in live axle (4) and go up and reside in the top rotation whirlpool dish (5) of main frame (2); With the scrollwork (6a) of scrollwork (5a) engagement of rotation whirlpool dish (5) and the screw type that forms in order to form multiple compressing chambers (P) be fixed on fixed eddy plate (6) above the above-mentioned main frame (2); The discharge shell (7) of eliminating noise device effect that also formed playing of resonant chamber when being combined in the back side of said fixing whirlpool dish (6) and the internal separation of above-mentioned shell (1) is suction field (S1) and discharge field (S2); The reverse stop valve assembly body (8) of discharging back flow of gas that prevents that combines with the board back side of said fixing whirlpool dish (6) constitutes.
Main frame (2) forms ring-like, is adorning above-mentioned rotation whirlpool dish (5) in the above, and its central authorities have formed the axis hole (2a) of supporting above-mentioned live axle (4) along radial direction.
Live axle (4) is a round bar shape, and goes up rotatable combination at the axis hole (2a) of above-mentioned main frame (2), and portion has long oil circuit (4a) to connect driving bolt (4b) the formation off-centre of its upper end in conjunction with above-mentioned rotation whirlpool dish (5) within it.
The symbol 3A that does not describe in the drawing is a stator, and 3B is a rotor, and 6b is a suction portion, and 6c is a discharge portion, the 0th, prevent to rotate the ring of whirlpool dish rotation.
The running that prevents wear device according to aforesaid scroll compressor in the past is as follows:
Promptly, turn on the power switch, live axle (4) will rotate jointly with the rotor (3B) of drive motor (3), rotation whirlpool dish (5) returns back to eccentric distance, meanwhile, rotation whirlpool dish (5) is then with the paired formation of multiple compressing chambers (P) between (6a) of fixed eddy plate (6) and scrollwork (5a), each is to the rapidly rotation motion of pressing chamber (P) along with rotation whirlpool dish (5), move to the center, volume is reduced, suck compressing refrigerant gas and discharge, carry out above-mentioned a series of process in this way repeatedly.
At this moment, live axle (4) both sides up and down will be supported along radial direction respectively according to main frame (2) and auxilliary framework (not shown), thus, be rotated in the off-centre rotation that prevents above-mentioned live axle (4).
But, in the aforesaid scroll compressor in the past, during live axle (4) rotation, may produce wearing and tearing between main frame of supporting along its radial direction (2) or auxilliary framework (not shown) and its, just as shown in Figures 2 and 3, on axis hole (2a) inner peripheral surface of above-mentioned main frame (2) apart from live axle (4) at a certain distance (t1) insert the framework lining (9) that the wear resistance material constitutes, the main frame (2) that the soft material of relative usefulness constitutes and live axle (4) can be smooth contact, although prevented consequent wearing and tearing like this, but this can cause new wearing and tearing key element between framework lining (9) and the live axle (4) at last.
Summary of the invention
The objective of the invention is to solve the problem that the device that prevents to wear and tear of the scroll compressor of top conventional art exists, the device that weares and teares of preventing of the scroll compressor that can prevent in main frame or auxilliary framework supported and rotatable live axle and produce wearing and tearing between it is provided.
In order to reach purpose of the present invention, comprise according to the formation that prevents the device that weares and teares of scroll compressor of the present invention: fixed eddy plate; With can moving continuously of fixed eddy plate engagement, the rotation whirlpool that forms multiple compressing chambers jointly coils; Support rotation axle center, rim, whirlpool rotating and in the central the position form the main frame that connects axis hole; Be inserted on the axis hole of said frame and be supported, be combined on the rotor of drive motor, transmit the live axle of rotating force to above-mentioned rotation whirlpool dish along radial direction; Rotatable intervention between the smooth surface of said frame and live axle, the roller bearing lining that makes its outer circumferential face and inner peripheral surface form bearing surface respectively constitutes.
Advantage and good effect: the device that weares and teares that prevents according to scroll compressor of the present invention is as mentioned above: live axle has obtained support according to the framework axis hole along radial direction, this framework is added rotatable roller bearing lining between the axis hole that is inserted in said frame and the live axle, even live axle high speed rotating, the roller bearing lining also will rotate by the phase difference of stipulating at interval with it jointly, and support above-mentioned live axle, thereby the wearing and tearing that produce between the framework of live axle or contact have with it effectively been prevented along radial direction.
Description of drawings
Fig. 1 is the scroll compressor part sectional arrangement drawing according to conventional art.
Fig. 2 is the example sectional arrangement drawing according to the bonding state of the main frame of the scroll compressor of conventional art and live axle.
Fig. 3 is the details drawing of Fig. 2 " A ".
Fig. 4 adopts in the scroll compressor of the present invention main frame and live axle are decomposed the stravismus schematic representation that comes.
Fig. 5 is the sectional arrangement drawing according to main frame in the scroll compressor of the present invention and live axle bonding state.
Fig. 6 is the details drawing of schematic representation 5 " B ".
Fig. 7 and Fig. 8 are each synoptic diagrams according to main frame in the scroll compressor of the present invention and several distortion of live axle bonding state.
Among each figure
0: ring, 1: shell,
2: main frame, 2a: axis hole,
3: drive motor, 3A: stator,
3B: rotor, 4: live axle,
4a: oil circuit, 4b: the driving bolt,
5: rotation whirlpool dish, 5a: scrollwork,
6: fixed eddy plate, 6a: scrollwork,
6b: suction portion, 6c: discharge portion,
7: discharge shell, 8: the reverse stop valve assembly body,
9: framework lining, 10: main frame,
11: axis hole, 20: live axle,
21: oil circuit, 22: the driving bolt,
30: roller bearing lining, 12,23,31: lining blocks projection;
S
1: suction field, S
2: the discharge field,
Sp: suction pipe, P: pressing chamber,
t
1: spacing, t
2: spacing,
DP: discharge tube.
Specific embodiment
Following is with reference to examples of implementation and accompanying drawing the device that prevents to wear and tear according to scroll compressor of the present invention to be described in detail.
Fig. 4 adopts in the scroll compressor of the present invention main frame and live axle are decomposed the stravismus schematic representation that comes.Fig. 5 is the sectional arrangement drawing according to main frame in the scroll compressor of the present invention and live axle bonding state.Fig. 6 is the details drawing of schematic representation 5 " B ".Fig. 7 and Fig. 8 are each synoptic diagrams according to main frame in the scroll compressor of the present invention and several distortion of live axle bonding state.
Shown in Fig. 1 and Fig. 4,5,6, include according to the formation that prevents the device that weares and teares of scroll compressor of the present invention: the shell (1) that has possessed gas suction pipe (SP) and gas outlet pipe (DP); Be separately fixed at the main frame (10) and the auxilliary framework (not shown) of the inner both sides up and down of shell (1); The drive motor of between above-mentioned main frame (10) and auxilliary framework (not shown), installing that rotating force is provided (3); Be pressed into the rotor center of drive motor (3), and connected the live axle (20) of the rotating force that the transmission drive motor (3) of main frame (10) produces; Revolvable intervention prevents the roller bearing lining (30) that weares and teares between main frame (10) and live axle (20); Be combined in live axle (20) and go up and reside in the top rotation whirlpool dish (5) of main frame (10); Coil scrollwork (5a) engagement of (5) and form multiple compressing chambers (P) and the scrollwork (6a) of formation screw type with the rotation whirlpool, be fixed on the fixed eddy plate (6) above the above-mentioned main frame (10); The discharge shell (7) of eliminating noise device effect that also formed playing of resonant chamber when being combined in the back side of said fixing whirlpool dish (6) and the internal separation of above-mentioned shell (1) is suction field (S1) and discharge field (S2); The reverse stop valve assembly body (8) of discharging back flow of gas that prevents that combines with the board back side of said fixing whirlpool dish (6) constitutes.
Main frame (10) forms ring-like, has adorned rotation whirlpool dish (5) in the above, is formed with the axis hole (11) of supporting above-mentioned live axle (20) along radial direction in the central.
Live axle (20) is a round bar shape, and goes up rotatable combination at the axis hole (11) of above-mentioned main frame (10), has long oil circuit (21) to connect within it in the portion and forms, and the driving bolt (22) in conjunction with above-mentioned rotation whirlpool dish (5) forms eccentric in the top.
Roller bearing lining (30) is as shown in Fig. 4 to Fig. 6, and its outer circumferential face and inner peripheral surface all form smooth cylindrical shape and touch sample, and wherein, the axis hole (11) of outer circumferential face and main frame (10) is (t at a certain distance
2) smooth contact, the outer circumferential face of inner peripheral surface and live axle (20) also remains (t at a certain distance
1) smooth contact.
In addition, above-mentioned roller bearing lining (30) is in order to keep the insertion position under the smooth contact condition between main frame (10) and the live axle (20), above-mentioned live axle (20) at appropriate heights and its outer circumferential face lining of being formed with annular or circular arc block projection (23), or as shown in Figure 7, in the inner peripheral surface of axis hole (11) lower end of above-mentioned main frame (20) design have near and support the lining of above-mentioned roller bearing lining (30) to block projection (12) to remain outstanding and form ring-like or circular arc type.
Also can be as shown in Figure 8, the upper end outer circumferential face of above-mentioned roller bearing lining (30) highlights along radial direction, and tightly lean against the limit, upper end of the axis hole (11) of main frame (10), still be that the annular or the lining of circular arc type block projection (31) thereby formed what support above-mentioned roller bearing lining (30).
In the drawing for having used same symbol to narrate with identical in the past part.
The symbol 6b that does not describe in the drawing is a suction portion, and 6c is a discharge portion, the 0th, prevent to rotate the ring of whirlpool dish rotation.
Prevent that according to aforesaid scroll compressor of the present invention the device running that weares and teares is as follows:
Promptly, turn on the power switch, live axle (20) is driven motor (3) rotation, rotation whirlpool dish (5) returns back to eccentric distance, meanwhile, and multiple compressing chambers (P) the paired formation of the scrollwork (5a) of rotation whirlpool dish (5) fixed eddy plate (6) between (6a), each moves to the center the rotation motion rapidly that pressing chamber (P) coils (5) along with the rotation whirlpool, volume is reduced, will suck compressing refrigerant gas and discharge, later on this a succession of process repeatedly in this way.
Herein, live axle (20) has obtained support according to main frame (10) and auxilliary framework (not shown) along radial direction, thereby rotation that can be at a high speed, when this live axle (20) high speed rotating, the outer circumferential face of live axle (20) and with it near main frame (10) or the axis hole (11) of auxilliary framework (not shown) although may produce wearing and tearing between the inner peripheral surface, but according to the present invention, the axis hole (11) of main frame (10) or auxilliary framework (not shown) and between the live axle (20) that each axis hole (11) inserts, the rotatable intervention of roller bearing lining (30) that can rotate freely is arranged, even live axle (20) high speed rotating, together rotate by the phase difference of stipulating at interval together according to above-mentioned roller bearing lining (30) and live axle (20), the inner peripheral surface of the axis hole of main frame (10) or auxilliary framework (not shown) with it near indirectly mutually smooth the contacting of outer circumferential face of live axle (20), thereby effectively prevented the generation of wearing and tearing.
Claims (6)
- A scroll compressor prevent the device that weares and teares, include: fixed eddy plate; The fixed eddy plate engagement can be moved continuously therewith, forms the rotation whirlpool dish of multiple compressing chambers jointly; Support the axle direction rotation of rotation rim, whirlpool and in the central the position connect the framework that forms axis hole; Be inserted in the axis hole of said frame and be combined on the rotor of drive motor, to the live axle of above-mentioned rotation whirlpool dish transmission rotating force, it is characterized in that: the intervention of rotating between the smooth surface of said frame axis hole and live axle has makes its outer circumferential face and inner peripheral surface form the roller bearing lining of bearing surface respectively.
- Scroll compressor according to claim 1 prevent the device that weares and teares, it is characterized in that: in order to keep the insertion position of above-mentioned roller bearing lining, live axle is formed with lining at its outer circumferential face, and to block projection outstanding.
- Scroll compressor according to claim 1 prevent the device that weares and teares, it is characterized in that: framework, has formed outstanding lining and has blocked projection in order to keep the insertion position of above-mentioned roller bearing lining at the lower end of axis hole inner peripheral surface.
- Scroll compressor according to claim 1 prevent the device that weares and teares, it is characterized in that: for the insertion position of roller bearing lining in the axis hole that maintains said frame, the roller bearing lining forms outstanding lining at the upper end outer circumferential face and blocks projection.
- 5. according to the device that weares and teares of preventing of each described scroll compressor among the claim 2-4, it is characterized in that: lining blocks protrusion-shaped to be become ring-like.
- 6. according to the device that weares and teares of preventing of each described scroll compressor among the claim 2-4, it is characterized in that: lining blocks to have at least in the projection more than one and forms circular arc type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031302041A CN100424353C (en) | 2003-06-17 | 2003-06-17 | Wear prevention device for vortex type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031302041A CN100424353C (en) | 2003-06-17 | 2003-06-17 | Wear prevention device for vortex type compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1566693A CN1566693A (en) | 2005-01-19 |
| CN100424353C true CN100424353C (en) | 2008-10-08 |
Family
ID=34469582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031302041A Expired - Fee Related CN100424353C (en) | 2003-06-17 | 2003-06-17 | Wear prevention device for vortex type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424353C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896507B (en) * | 2005-07-12 | 2011-02-02 | 泰州乐金电子冷机有限公司 | Crank and rotor assembly structure for closed compressor |
| CN108397385A (en) * | 2017-02-06 | 2018-08-14 | 上海海立电器有限公司 | A kind of compressor and refrigeration system |
| CN111321289B (en) * | 2020-04-13 | 2022-04-22 | 中国人民解放军空军工程大学 | Laser shock strengthening method for pre-deformed hole end face |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182484A (en) * | 1986-02-03 | 1987-08-10 | Matsushita Refrig Co | Scroll compressor |
| US5222881A (en) * | 1991-03-04 | 1993-06-29 | Mitsubishi Denki Kabushiki Kaisha | Scroll type compressor having curved surface portions between the shaft and bearing means |
| JPH06257575A (en) * | 1993-03-09 | 1994-09-13 | Fujitsu General Ltd | Scroll compressor |
| JPH1122669A (en) * | 1997-07-08 | 1999-01-26 | Daikin Ind Ltd | Scroll fluid machinery |
| US6077060A (en) * | 1997-10-28 | 2000-06-20 | Mitsubishi Heavy Industries, Ltd. | Scroll-type fluid machine including float-protecting pin having partially-cut head |
| US6109899A (en) * | 1998-09-10 | 2000-08-29 | Scroll Technologies | Cantilever mount orbiting scroll with shaft adjustment |
-
2003
- 2003-06-17 CN CNB031302041A patent/CN100424353C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182484A (en) * | 1986-02-03 | 1987-08-10 | Matsushita Refrig Co | Scroll compressor |
| US5222881A (en) * | 1991-03-04 | 1993-06-29 | Mitsubishi Denki Kabushiki Kaisha | Scroll type compressor having curved surface portions between the shaft and bearing means |
| JPH06257575A (en) * | 1993-03-09 | 1994-09-13 | Fujitsu General Ltd | Scroll compressor |
| JPH1122669A (en) * | 1997-07-08 | 1999-01-26 | Daikin Ind Ltd | Scroll fluid machinery |
| US6077060A (en) * | 1997-10-28 | 2000-06-20 | Mitsubishi Heavy Industries, Ltd. | Scroll-type fluid machine including float-protecting pin having partially-cut head |
| US6109899A (en) * | 1998-09-10 | 2000-08-29 | Scroll Technologies | Cantilever mount orbiting scroll with shaft adjustment |
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| Publication number | Publication date |
|---|---|
| CN1566693A (en) | 2005-01-19 |
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Granted publication date: 20081008 |