CN104088790A - Cylinder structure and rotary compressor - Google Patents
Cylinder structure and rotary compressor Download PDFInfo
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- CN104088790A CN104088790A CN201410298431.0A CN201410298431A CN104088790A CN 104088790 A CN104088790 A CN 104088790A CN 201410298431 A CN201410298431 A CN 201410298431A CN 104088790 A CN104088790 A CN 104088790A
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- transitional pore
- vane slot
- cylinder structure
- air cylinder
- positioning groove
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Abstract
The invention provides a cylinder structure and a rotary compressor. The cylinder structure comprises a cylinder wall, wherein the cylinder wall comprises a circular ring and a fan-shaped body connected to the outer circumferential surface of the circular ring; a sliding sheet slot is formed in the end face of the circular ring; the sliding sheet slot penetrates through the circular ring along the radial direction and extends to the part which is 1/4-3/4 of the fan-shaped body; a circular positioning groove is formed in a position, which is close to one end of the sliding sheet slot, on the outer circumferential surface of the circular ring; a transitioning hole is formed in an intersection of the positioning groove and the sliding sheet slot; the depth of the transitioning hole is greater than or equal to that of the sliding sheet slot. The rotary compressor comprises the cylinder structure. According to the cylinder structure and the rotary compressor which are disclosed by the invention, the transitioning hole is formed in the intersection of the positioning groove and the sliding sheet slot, so that the possibility of failure caused by jamming of the rotary compressor due to impurities is reduced, and the reliability of the rotary compressor is improved.
Description
Technical field
The present invention relates to compression device field, particularly relate to a kind of air cylinder structure, and the compressor that contains above-mentioned air cylinder structure.
Background technique
Usually, as shown in Figure 1 to Figure 3, the cylindrical of rotary compressor upper cylinder is setting circle, is provided with positioning groove on setting circle, vane slot is in to add with passing through mutually of positioning groove and easily produces burr man-hour, and burr is difficult to use mechanical or manual mode of reprocessing to be removed.Rotary compressor is when work simultaneously, and burr is easily fallen in vane slot, has strengthened the fault occurrence probability that rotary compressor lost efficacy because impurity is stuck, has a strong impact on the reliability of rotary compressor.
In view of above-mentioned defect, the inventor has obtained the invention finally through long research and practice.
Summary of the invention
Based on this, be necessary to add for cylinder in rotary compressor the problem that the burr producing man-hour has fallen into vane slot, provide a kind of and can prevent that burr from damaging the air cylinder structure of vane slot, and the rotary compressor that contains above-mentioned air cylinder structure.Above-mentioned purpose is achieved through the following technical solutions:
A kind of air cylinder structure, comprise cylinder wall, cylinder wall comprises annulus and is connected to the quadrant on the outer peripheral surface of described annulus, on the end face of described annulus, be provided with vane slot, described vane slot radially connects described annulus and extends to 1/4～3/4 place of described quadrant, one end near described vane slot on the outer peripheral surface of described annulus is provided with circular positioning groove, the intersection of described positioning groove and described vane slot is provided with transitional pore, and the degree of depth of described transitional pore is more than or equal to the degree of depth of described vane slot.
Above-mentioned purpose can also further realize by following technical proposals.
In an embodiment, described transitional pore is circular port, square opening or slotted hole therein.
In an embodiment, described transitional pore is circular port therein.
In an embodiment, described transitional pore in axial direction connects described cylinder wall therein.
In an embodiment, the axis of described transitional pore is parallel with the axis of described annulus therein.
In an embodiment, the diameter of described transitional pore is more than or equal to the width of described positioning groove, and the diameter of described transitional pore is more than or equal to the width of described vane slot therein.
In an embodiment, the intersection of described transitional pore and described positioning groove is away from described vane slot therein.
In an embodiment, the intersection of described transitional pore and described vane slot is straightedge limit therein; The intersection of described transitional pore and described positioning groove is also straightedge limit.
Also relate to a kind of rotary compressor, comprise housing and the air cylinder structure as described in above-mentioned arbitrary technical characteristics;
Described air cylinder structure is arranged in described housing.
In an embodiment, the bottom of described housing is provided with oil sump therein, and described air cylinder structure is positioned at the top of described oil sump, and described vane slot is away from described oil sump, and described transitional pore is projected in described oil sump.
The invention has the beneficial effects as follows:
Air cylinder structure of the present invention and rotary compressor, structural design advantages of simple, the intersection of positioning groove and vane slot is adding the easy burr that produces in man-hour, therefore in the intersection of positioning groove and vane slot, transitional pore is set, burr can be slipped in transitional pore, by transitional pore, prevents that burr from falling in vane slot, reduces the fault occurrence probability that rotary compressor lost efficacy because impurity is stuck, guarantee rotary compressor reliable operation, improve the reliability of rotary compressor.
Accompanying drawing explanation
Fig. 1 is that the master of existing air cylinder structure looks perspective view;
Fig. 2 is the revolved sectional view at the A-A place shown in Fig. 1;
Fig. 3 is the partial sectional view at the B-B place shown in Fig. 1;
Fig. 4 is that the master of the air cylinder structure of one embodiment of the invention looks perspective view;
Fig. 5 is the revolved sectional view at the C-C place shown in Fig. 4;
Fig. 6 is the partial sectional view at the D-D place shown in Fig. 4;
Wherein:
100-air cylinder structure;
110-annulus;
111-positioning groove; 112-vane slot; 113-transitional pore;
120-quadrant;
121-spring eye.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, air cylinder structure of the present invention and rotary compressor are further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 4 to Fig. 6, an embodiment rotary compressor, comprises housing and air cylinder structure 100, and air cylinder structure 100 is arranged in housing, and the bottom of housing is provided with oil sump, and air cylinder structure 100 is positioned at the top of oil sump.
Referring to Fig. 4 to Fig. 6, one embodiment's air cylinder structure 100, comprise cylinder wall, cylinder wall comprises annulus 110 and is connected to the quadrant 120 on the outer peripheral surface of annulus 110, on the end face of annulus 110, be provided with vane slot 112, vane slot 112 radially connects annulus 110 and extends to 1/4～3/4 place of quadrant 120, one end near vane slot 112 on the outer peripheral surface of annulus 110 is provided with circular positioning groove 111, positioning groove 111 intersects with vane slot 112, and be provided with transitional pore 113 in positioning groove 111 and the intersection of vane slot 112, the degree of depth of transitional pore 113 is more than or equal to the degree of depth of vane slot 112.
One end of the outer surface of annulus 110 is provided with positioning groove 111, in current air cylinder structure, positioning groove 111 directly intersects with vane slot 112, when processing positioning groove 111 and vane slot 112, easily in positioning groove 111 and the intersection of vane slot 112, produce burr, air cylinder structure 100 of the present invention is provided with transitional pore 113, making positioning groove 111 and vane slot 112 is not directly to intersect, like this when adopting machinery or manual mode of reprocessing to remove burr, burr etc. can landing in transitional pore 113, can avoid like this burr to fall in vane slot 112, the impact of the burr of having eliminated to a certain extent positioning groove 111 and vane slot 112 intersections on the reliability of rotary compressor, make the rotary compressor can reliable operation.
Further, the degree of depth of vane slot 112 is less than the axial height of annulus 110, and the degree of depth of vane slot 112 also can equal the axial height of annulus 110 certainly.When the degree of depth of vane slot 112 is less than the axial height of annulus 110, vane slot is obstructed groove; When the degree of depth of vane slot 112 equals the axial height of annulus 110, vane slot is groove.Further, be provided with spring eye 121 in quadrant 120, spring eye 121 radially connects quadrant 120 and extends to 1/5～1/2 place of annulus 110.
As a kind of embodiment, transitional pore 113 is circular port, square opening or slotted hole etc.In the present embodiment, transitional pore 113 is circular port.Certainly, the sectional shape of transitional pore 113 can also be polygonal (polygonal limit number is more than or equal to 5) etc.Further, between the axis of transitional pore 113 and the axis of annulus 110, there is angle.The burr of positioning groove 111 and vane slot 112 intersections is in being slipped to transitional pore 113 time, by angle between the axis of transitional pore 113 and the axis of annulus 110, being convenient to burr drops in transitional pore 113, by angle between the axis of transitional pore 113 and the axis of annulus 110, burr is played to buffer function simultaneously, prevent that after burr is slipped in transitional pore 113, being subject to rebounding force burr ejects and then fall in vane slot 112.
As a kind of embodiment, transitional pore 113 in axial direction connects cylinder wall, and transitional pore 113 is manhole.In the present embodiment, the degree of depth of vane slot 112 is greater than the axial height of annulus 110, and vane slot is groove, so transitional pore is manhole.Certainly, when vane slot 112 is obstructed groove, transitional pore 113 can be the circular blind hole of person.When transitional pore 113 is circular blind hole, positioning groove 111 can not be discharged air cylinder structure 100 by transitional pore 113 with the burr of vane slot 112 intersections and can only be slipped in transitional pore 113, now, can make by artificial mode burr be slipped in transitional pore 113, or burr is slipped in transitional pore 113 when work, in order to avoid burr falls in vane slot 112, avoid the stuck phenomenon of rotary compressor to occur, guarantee rotary compressor reliable operation.When transitional pore 113 is manhole, positioning groove 111 can be crossed transitional pore 113 with the burr of vane slot 112 intersections and discharge air cylinder structure 100, now, by can burr being discharged outside air cylinder structure 100 by transitional pore 113 by artificial mode, or in when work, burr was slipped to transitional pore 113 and discharge outside air cylinder structure 100, in order to avoid burr falls in vane slot 112, avoid the stuck phenomenon of rotary compressor to occur, guarantee rotary compressor reliable operation.In the present embodiment, transitional pore 113 is manhole, by manhole, burr is discharged outside air cylinder structure 100, guarantees rotary compressor reliable operation.Further, the axis of transitional pore 113 is parallel with the axis of annulus 110, to guarantee that burr can be fast by transitional pore 113 discharge air cylinder structures 100.
As a kind of embodiment, the diameter of transitional pore 113 is more than or equal to the width of positioning groove 111, and the diameter of transitional pore 113 is more than or equal to the width of vane slot 112, the diameter of transitional pore 113 is more than or equal to larger one of width in positioning groove 111 and vane slot 112.In the present embodiment, the width of vane slot 112 is greater than the width of positioning groove 111.Therefore, require the diameter of transitional pore 113 to be more than or equal to the width of vane slot 112.Further, the intersection of transitional pore 113 and positioning groove 111 is away from vane slot 112.Further, transitional pore 113 is straightedge limit with the intersection of vane slot 112, transitional pore 113 is also straightedge limit with the intersection of positioning groove 111, and transitional pore 113 is not with the straightedge limit of the intersection of positioning groove 111 on vane slot 112, and the intersection of transitional pore 113 and positioning groove 111 is away from vane slot 112.The diameter of transitional pore 113 is greater than respectively the width of positioning groove 111 and the width of vane slot 112, makes: vane slot 112 does not directly intersect with positioning groove 111, but vane slot 112 is crossing with through hole respectively with positioning groove 111, reduces the generation probability of burr; Positioning groove 111 intersects with transitional pore 113, and intersection produces straightedge limit, and positioning groove 111 not on vane slot 112, makes burr be difficult for falling in vane slot 112 with the straightedge limit of the intersection of transitional pore 113; Vane slot 112 intersects with transitional pore 113, and intersection produces straightedge limit, and burr can abrasive stick easy to use etc. be removed by the mode of manually reprocessing in straightedge limit.The reason that transitional pore 113 and positioning groove 111 are crossing: the one, because can utilize machinery or manual method of reprocessing to remove burr, reduced the residual probability of burr; The 2nd, even because burr is not removed totally, also can make burr discharge outside air cylinder structure 100 through transitional pore 113.In the present invention, cylinder is positioned at the top of oil sump, and vane slot 112 is away from oil sump, and transitional pore 113 is projected in oil sump, and not removing clean burr can fall in the oil sump of housing through transitional pore 113.
As shown in Figure 1 to Figure 3, at present, the positioning groove 111 of cylinder and the intersection of vane slot 112 can produce four rectangular edges man-hour adding, after machining, this position easily produces burr, due to the narrow space of positioning groove 111 and vane slot 112 and require high to the roughness of the working plane of vane slot 112, positioning groove 111 is not easy to remove with the burr of the crossing place generation of vane slot 112, exists burr to fall into the generation that vane slot 112 causes rotary compressor stuck phenomenon.
As shown in Figures 4 to 6, therefore, air cylinder structure 100 of the present invention is by arranging a transitional pore 113 in positioning groove 111 and the intersection of vane slot 112, this transitional pore 113 is manhole, and the diameter of transitional pore 113 is greater than respectively the width of positioning groove 111 and the width of vane slot 112, to realize the burr of simple and effective removal positioning groove 111 and vane slot 112 intersections.In addition, in the intersection of positioning groove 111 and vane slot 112, transitional pore 113 being set can move the easy origination point of burr outward preferably, widens the distance of the working plane of burr and vane slot 112, has reduced the influence degree of burr to the working plane of vane slot 112.Moreover, the existence of transitional pore 113, even still there is burr in positioning groove 111 and vane slot 112 intersections, burr is compared with falling in oil sump by transitional pore 113 greatly, can reduce burr to fall into vane slot 112 and cause the stuck Probability of rotary compressor, guarantee rotary compressor reliable operation, thereby improve the reliability of rotary compressor.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an air cylinder structure, comprise cylinder wall, cylinder wall comprises annulus and is connected to the quadrant on the outer peripheral surface of described annulus, it is characterized in that, on the end face of described annulus, be provided with vane slot, described vane slot radially connects described annulus and extends to 1/4～3/4 place of described quadrant, one end near described vane slot on the outer peripheral surface of described annulus is provided with circular positioning groove, the intersection of described positioning groove and described vane slot is provided with transitional pore, and the degree of depth of described transitional pore is more than or equal to the degree of depth of described vane slot.
2. air cylinder structure according to claim 1, is characterized in that, described transitional pore is circular port, square opening or slotted hole.
3. air cylinder structure according to claim 2, is characterized in that, described transitional pore is circular port.
4. air cylinder structure according to claim 3, is characterized in that, described transitional pore in axial direction connects described cylinder wall.
5. air cylinder structure according to claim 3, is characterized in that, the axis of described transitional pore is parallel with the axis of described annulus.
6. air cylinder structure according to claim 3, is characterized in that, the diameter of described transitional pore is more than or equal to the width of described positioning groove, and the diameter of described transitional pore is more than or equal to the width of described vane slot.
7. air cylinder structure according to claim 6, is characterized in that, the intersection of described transitional pore and described positioning groove is away from described vane slot.
8. air cylinder structure according to claim 7, is characterized in that, the intersection of described transitional pore and described vane slot is straightedge limit; The intersection of described transitional pore and described positioning groove is also straightedge limit.
9. a rotary compressor, comprises housing, it is characterized in that, also comprises the air cylinder structure as described in claim 1 to 8 any one;
Described air cylinder structure is arranged in described housing.
10. rotary compressor according to claim 9, is characterized in that, the bottom of described housing is provided with oil sump, and described air cylinder structure is positioned at the top of described oil sump, and described vane slot is away from described oil sump, and described transitional pore is projected in described oil sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298431.0A CN104088790B (en) | 2014-06-27 | 2014-06-27 | Cylinder structure and rotary compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298431.0A CN104088790B (en) | 2014-06-27 | 2014-06-27 | Cylinder structure and rotary compressor |
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| Publication Number | Publication Date |
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| CN104088790A true CN104088790A (en) | 2014-10-08 |
| CN104088790B CN104088790B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410298431.0A Active CN104088790B (en) | 2014-06-27 | 2014-06-27 | Cylinder structure and rotary compressor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05164081A (en) * | 1991-12-17 | 1993-06-29 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN1295196A (en) * | 1999-11-04 | 2001-05-16 | 松下电器产业株式会社 | Enclosed rotary compressor |
| CN202545258U (en) * | 2012-03-20 | 2012-11-21 | 上海日立电器有限公司 | Structure of cylinder for rotary compressor |
| CN103161729A (en) * | 2011-12-12 | 2013-06-19 | 珠海格力节能环保制冷技术研究中心有限公司 | A rotary compressor and an air conditioner |
| CN204099204U (en) * | 2014-06-27 | 2015-01-14 | 珠海凌达压缩机有限公司 | Air cylinder structure and rotary compressor |
-
2014
- 2014-06-27 CN CN201410298431.0A patent/CN104088790B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05164081A (en) * | 1991-12-17 | 1993-06-29 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN1295196A (en) * | 1999-11-04 | 2001-05-16 | 松下电器产业株式会社 | Enclosed rotary compressor |
| CN103161729A (en) * | 2011-12-12 | 2013-06-19 | 珠海格力节能环保制冷技术研究中心有限公司 | A rotary compressor and an air conditioner |
| CN202545258U (en) * | 2012-03-20 | 2012-11-21 | 上海日立电器有限公司 | Structure of cylinder for rotary compressor |
| CN204099204U (en) * | 2014-06-27 | 2015-01-14 | 珠海凌达压缩机有限公司 | Air cylinder structure and rotary compressor |
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| Publication number | Publication date |
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| CN104088790B (en) | 2017-02-22 |
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Effective date of registration: 20170123 Address after: 519110 Guangdong city of Zhuhai Province Qianshan Applicant after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Applicant after: Zhuhai Landa Compressor Co., Ltd. Address before: 519110 Longshan Road, Doumen Industrial Zone, Guangdong, Zhuhai, No. 1 Applicant before: Zhuhai Landa Compressor Co., Ltd. Applicant before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |
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Effective date of registration: 20200326 Address after: 519110 Longshan Road, Doumen Industrial Zone, Guangdong, Zhuhai, No. 1 Co-patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Patentee after: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Address before: 519110, Jinji Hill Road, front hill, Zhuhai, Guangdong Co-patentee before: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |
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