CN104153993B - Compressor roller, compressor pump and compressor - Google Patents

Compressor roller, compressor pump and compressor Download PDF

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Publication number
CN104153993B
CN104153993B CN201410427027.9A CN201410427027A CN104153993B CN 104153993 B CN104153993 B CN 104153993B CN 201410427027 A CN201410427027 A CN 201410427027A CN 104153993 B CN104153993 B CN 104153993B
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compressor
roller
bent axle
flange
cylindrical structure
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CN104153993A (en
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李雄辉
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Zhengzhou Landa Compressor Co Ltd
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Zhengzhou Landa Compressor Co Ltd
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Abstract

The invention provides a kind of compressor roller, compressor pump and compressor.Compressor roller includes the inward flange of cylindric roller body and the first end for being arranged on roller body.The present invention can increase the discharge capacity of compressor in the case of the sealing demand for meeting compression cylinder, the discharge capacity of compressor is reached theoretical maximum discharge capacity.

Description

Compressor roller, compressor pump and compressor
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of compressor roller, compressor pump and compression Machine.
Background technology
It is shown in Figure 1, on the single gas of existing single cylinder and exhaust structure are in the duplex cylinder compressor of lower flange exhaust, examine Consider the generalization that part is used, same upper flange 2 can be used using the compressor of the different displacements of identical compression cylinder 3.Together When in view of exhaust smoothness and resistance problem, steam vent 1 is provided with upper flange 2, the steam vent 1 and the center of upper flange 2 The distance of line will not be too remote or too near, and the size of steam vent 1 is also such.
Referring specifically to shown in Fig. 2 and Fig. 3, d1 is the internal diameter of compression cylinder 3 in fig. 2, and d2 is the diameter of roller 4, and e is bias Amount, the area of section is represented with S, and compressor displacement is multiplied by the height H (not marked in figure) of compression cylinder 3 equal to the area of section.For For same compression cylinder 3, internal diameter d1 and height H is definite value, area of section increase then discharge capacity increase.Sectional area S=3.14* (d12-d22)/4, area of section increase, the outside diameter d 2 of roller 4 is reduced.And due to eccentric amount e=(d1-d2)/2, when d1 is constant, When d2 is reduced, e increases.That is, offset increases, the outside diameter d 2 of roller 4 is reduced, and the discharge capacity of compressor will increase.
In actual design, roller 4 must is fulfilled for the requirement of minimum band, and with reference to shown in Fig. 3, Fig. 3 shows method The position of blue 2 steam vents 1, is represented by dashed line, and for ease of viewing, flange 2 is not drawn in Fig. 3.From the figure 3, it may be seen that the internal diameter of roller 4 with The minimum sealing strip length of the steam vent 1 of upper flange 2:L1=L-d3/2-d4/2-e, wherein, d3 is the diameter of 2 steam vent of upper flange 1; L is the center of 2 steam vent of upper flange 1 to cylinder pintch;D4 is the internal diameter of roller 4, it is contemplated that part generalization problem, same gas The position of 2 steam vent of upper flange 1 that cylinder is used is typically all fixed, i.e. L and d3 sizes are constant, the internal diameter d4 of roller 4 be also it is the same because This increases with e, and L1=L-d3/2-d4/2-e is reduced, that is, seal strip length and reduce.
According to above-mentioned content it is recognised that due to by the band L1 minimum lengths between the internal diameter of roller 4 and steam vent 1 Restriction, the offset of bent axle 5 is reached theoretical maximum, from the maximum for causing the compressor using fixed compression cylinder 3 Discharge capacity is generally less than theoretical maximum discharge capacity.
The content of the invention
The present invention is intended to provide a kind of compressor roller, compressor pump and compressor, it is possible to increase compressor seal Strip length, such that it is able to further reduce roller outer diameter, the offset so as to increase compressor crank shaft, so as to improve compressor Discharge capacity.
In order to solve the above technical problems, according to an aspect of the invention, there is provided a kind of compressor roller, including cylinder Shape roller body and be arranged on roller body first end inward flange.
Further, roller body and inward flange are structure as a whole.
Further, roller body includes:First cylindrical structure, first end and the inward flange of the first cylindrical structure are integrated Structure;Second cylindrical structure, the second cylindrical structure is removably disposed in the inside of the first cylindrical structure.
According to another aspect of the present invention, there is provided a kind of compressor pump, including:Bent axle, is provided with bias on bent axle Circle;Roller, roller includes cylindric roller body and is arranged on the inward flange of roller body first end, and roller body is set in partially The periphery of heart circle, the protruding parts of inward flange is located at the first side of off-centre operation;Compression cylinder, compression cylinder is set in the outer of roller Week;First flange, first flange is set on bent axle, and positioned at the first side of compression cylinder, be provided with first flange for Gas after compressed cylinder compression is discharged the exhaust passage of compression cylinder, and inward flange is set near first flange;Second Flange, second flange is set on bent axle, and positioned at second side relative with the first side of compression cylinder.
Further, roller body and inward flange are structure as a whole;Bent axle includes the first shaft part that can mutually dismantle and the Two shaft parts.
Further, roller body includes the first cylindrical structure and the second cylindrical structure, wherein, the of the first cylindrical structure One end is structure as a whole with inward flange, and the second cylindrical structure is removably disposed in the inside of the first cylindrical structure;Bent axle includes The first shaft part and the second shaft part being wholely set, and the first shaft part diameter less than the second shaft part diameter.
Further, when the distance of the internal diameter to exhaust passage of roller is minimum, the side near bent axle of inward flange is arrived Distance of the distance of bent axle less than exhaust passage to bent axle.
In accordance with a further aspect of the present invention, there is provided a kind of compressor, including compressor pump, compressor pump are above-mentioned Compressor pump.
Apply the technical scheme of the present invention, due to being provided with inward flange on compressor roller of the invention, the inward flange Setting disclosure satisfy that the sealing demand of compression cylinder, form band more long, it is to avoid leakage phenomenon occurs in compression cylinder.With this Meanwhile, using the maximum pump discharge compressor of original structure roller, its band has typically approached minimum seal distance, works as the application Compressor roller external diameter such as the external diameter of the compressor roller of prior art in the case of, the rolling of the compressor of the application The length of the hermetic bag that son is formed can be more than the length of the band of the formation of compressor roller of the prior art.Namely Say, because the sealing strip length formed using compressor roller of the invention is more than the minimum sealing belt length for meeting sealing demand Degree, therefore, during using compressor roller of the invention, the external diameter of compressor roller can further reduce, according to background technology Record, due to eccentric amount e=(d1-d2)/2, when d1 is constant, d2 reduce when, e increase.That is, when d2 is the outer of roller Footpath becomes hour, can cause that the offset of bent axle increases, so as to increase the available maximum pump discharge of compressor.It can be seen that, pressure of the invention In the case of the sealing demand for meeting compression cylinder, its external diameter can further reduce contracting machine roller, and compressor can be made bent The offset increase of axle, and then increase the discharge capacity of compressor, the discharge capacity of compressor is reached theoretical maximum discharge capacity.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the sectional view of existing compressor pump;
Fig. 2 diagrammatically illustrates the first top view after the upper flange of dismantling of existing compressor pump;
Fig. 3 diagrammatically illustrates the second top view after the upper flange of dismantling of existing compressor pump;
Fig. 4 diagrammatically illustrates the sectional view of the first embodiment of compressor roller of the invention;
Fig. 5 diagrammatically illustrates the sectional view of the second embodiment of compressor roller of the invention;
Mistake when Fig. 6 to Fig. 8 diagrammatically illustrates the compressor roller implemented of the invention first on bent axle Cheng Tu;
Fig. 9 diagrammatically illustrates the sectional view of the first embodiment of compressor pump of the invention;
Figure 10 diagrammatically illustrates the front view of the bent axle in the present invention;
Figure 11 to Figure 14 diagrammatically illustrates the compressor roller implemented of the invention second and is arranged on when on bent axle Procedure chart;
Figure 15 diagrammatically illustrates the sectional view of the second embodiment of compressor pump of the invention;And
Figure 16 diagrammatically illustrates the top view after the first flange of dismantling of compressor pump of the invention.
Description of reference numerals:10th, roller body;11st, the first cylindrical structure;12nd, the second cylindrical structure;60th, inward flange; 20th, bent axle;21st, off-centre operation;22nd, the first shaft part;23rd, the second shaft part;30th, compression cylinder;40th, first flange;41st, it is vented logical Road;50th, second flange.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims Multitude of different ways with covering is implemented.
Referring to shown in Fig. 4 and Fig. 9, the first of compressor roller of the invention implements, there is provided a kind of compressor rolling Son, the compressor roller includes the inward flange 60 of cylindric roller body 10 and the first end for being arranged on roller body 10.Due to The compressor roller inward flange 60 of the present embodiment, the setting of the inward flange 60 disclosure satisfy that the sealing demand of compression cylinder 30, shape Into band more long, it is to avoid leakage phenomenon occurs in compression cylinder 30, at the same time, because compressor roller has had been provided with preventing The inward flange 60 that only compressor is revealed, at the same time, using the maximum pump discharge compressor of original structure roller, its band is general Minimum seal distance is approached, when the external diameter and the one of the external diameter of the compressor roller of prior art of the compressor roller of the application In the case of sample, the length of the hermetic bag of the compressor roller formation of the application can be more than compressor roller of the prior art The length of the band of formation.That is, because the sealing strip length formed using compressor roller of the invention is more than full The minimum sealing strip length of foot sealing demand, therefore, during using compressor roller of the invention, the external diameter of compressor roller can be with Further reduce, according to the record of background technology, due to eccentric amount e=(d1-d2)/2, when d1 is constant, when d2 is reduced, e increases. That is, when the external diameter that d2 is roller becomes hour, can cause that the offset of bent axle 20 increases, so as to increase the available of compressor Maximum pump discharge.It can be seen that, the present invention can make the bias of compressor crank shaft 20 in the case of the sealing demand for meeting compression cylinder Amount increase, and then increase the discharge capacity of compressor, the discharge capacity of compressor is reached theoretical maximum discharge capacity.
Refer again to shown in Fig. 4, the roller body 10 and inward flange 60 in the present embodiment are structure as a whole, Stability Analysis of Structures, It is easy to processing.In other embodiments of the invention, roller body 10 and inward flange 60 can also be what split was set, as long as energy Sufficiently long band is enough formed with seal compression cylinder 30.
Referring to shown in Fig. 5 and Figure 15, a kind of second embodiment of compressor roller of the invention, there is provided compressor Roller, the compressor roller of the present embodiment is essentially identical with the structure of the compressor roller of first embodiment, except that, this Roller body 10 in embodiment includes the first cylindrical structure 11 and the second cylindrical structure 12.Wherein, first cylindrical structure 11 First end is structure as a whole with inward flange 60;Second cylindrical structure 12 removably in the inside of the first cylindrical structure 11, now First cylindrical structure 11 and the second cylindrical structure 12 are that split is set.In the present embodiment, roller body 10 is set to One cylindrical structure 11 and the second cylindrical structure 12, are easy to be arranged on compressor roller on bent axle 20.
It is shown in Figure 9, according to another aspect of the present invention, there is provided the first implementation of compressor pump of the invention Example, the compressor pump includes bent axle 20, roller, compression cylinder 30, first flange 40 and second flange 50.Wherein, bent axle Off-centre operation 21 is provided with 20;Roller is the roller in the first embodiment of compressor roller, and the roller includes cylindric roller Body 10 and the inward flange 60 for being arranged on the first end of roller body 10, roller body 10 are set in the periphery of off-centre operation 21;Compression Cylinder 30 is set in the periphery of roller;First flange 40 is set on bent axle 20, and positioned at the first side of compression cylinder 30, first The exhaust passage of the gas discharge compression cylinder 30 after being provided with flange 40 for compressed cylinder 30 to be compressed (does not show in figure Go out), and inward flange 60 set near first flange 40;Second flange 50 is set on bent axle 20, and positioned at compression cylinder 30 , be fixed on compression cylinder 30 on bent axle 20 together with first flange 40 by the second side relative with the first side.According to the present embodiment, Have been provided with preventing the inward flange 60 of compressor leakage due to compressor roller, at the same time, use original structure roller Maximum pump discharge compressor, its band has typically approached minimum seal distance, and when the external diameter of compressor roller is not changed, its is close Envelope strip length can be more than the minimum seal length of the compressor roller using same external diameter of the prior art.That is, by Sealing strip length when using compressor roller of the invention does not reach minimum seal length also, therefore, using of the invention During compressor roller, the external diameter of compressor roller can further reduce so that the offset of compressor crank shaft can continue to increase Greatly, so as to increase the available maximum pump discharge of compressor.It can be seen that, it is of the invention in the case of the sealing demand for meeting compression cylinder, Can increase the offset of compressor crank shaft, and then increase the discharge capacity of compressor, the discharge capacity of compressor is reached theoretical maximum Discharge capacity.
In the present embodiment, roller body 10 and inward flange 60 are structure as a whole.In order to roller is arranged on into bent axle 20, this The bent axle of embodiment needs segmentation, and the bent axle 20 includes the first shaft part 22 and the second shaft part 23 that can mutually dismantle.By bent axle 20 Two sections are set to, swimmingly roller can be arranged on the off-centre operation 21 of bent axle 20.Roller will be packed on bent axle 20, need to meet The bar of the cylindrical minimum diameter that roller need to be less than with the cylindrical ultimate range of bent axle 20 off-centre operation 21 of 20 second shaft part of bent axle 23 Part.According to the present embodiment, if not changing the structure of bent axle 20, when the offset of bent axle 20 is maximum, after roller sleeve is entered, in the reverse-biased heart Direction, roller minimum diameter will be cylindrical in same straight line with the second shaft part 23 of bent axle 20.If it is inclined now to continue increase bent axle 20 Heart amount, roller then covers and does not assemble.In order that the roller of the present embodiment is assemblied on bent axle 20, bent axle 20 is set in the present embodiment The first shaft part 22 and the second shaft part 23 that can mutually dismantle are set to, with thrust surface part as boundary segmentation, separate part can lead to The modes such as screw thread are crossed to connect.By process of the roller of the present embodiment on bent axle 20 as shown in Figures 4 to 6, first will rolling Sub- body 10 is set on the off-centre operation 21 on the first shaft part 22 of bent axle 20, and the inward flange 60 of roller is located at off-centre operation 21 Upper end, then the second shaft part 23 of bent axle 20 is fixed on the first shaft part 22, that is, obtain structure as shown in Figure 6, finally Load onto the assembling that compression cylinder 30, first flange 40 and second flange 50 complete compressor pump.
It is shown in Figure 16, for the ease of observation in figure, the exhaust passage 41 in first flange 40 is represented with dotted line circle Out.Preferably, in the present embodiment, when the distance of the internal diameter to exhaust passage of roller is minimum, inward flange 60 is near song The side of axle 20 is less than exhaust passage to bent axle 20 apart from b to the ultimate range a of bent axle 20, it is ensured that inward flange 60 disclosure satisfy that The seal request of compression cylinder 30, it is to avoid compression cylinder 30 is revealed and makes compressor be unable to reach theoretical maximum discharge capacity.
It is shown in Figure 15, there is provided the second embodiment of compressor pump, the structure of the compressor pump of the present embodiment Structure with the first embodiment of compressor pump is essentially identical, and difference is that the roller of the present embodiment is compressor rolling Roller in the second embodiment of son.Roller body 10 in the present embodiment includes the first cylindrical structure 11 and the second cylindrical structure 12, wherein, first end and the inward flange 60 of the first cylindrical structure 11 are structure as a whole, and the second cylindrical structure 12 is removably disposed In the inside of the first cylindrical structure 11;Bent axle 20 includes the first shaft part 22 and the second shaft part 23 (as shown in Figure 8) that are wholely set, And first shaft part 22 diameter less than the second shaft part 23 diameter.According to the present embodiment, due to roller is set into Split type structure, this When, roller is arranged on bent axle 20 by segmental structure without bent axle 20 is set.Referring specifically to shown in Fig. 9 to Figure 12, fill Timing, the first cylindrical structure 11 being first wholely set and inward flange 60 are set in from the second shaft part 23 near off-centre operation 21 On bent axle 20, then second cylindrical structure 12 is set on bent axle 20 from the direction away from the second shaft part 23 of the first shaft part 22, And be embedded in the first cylindrical structure 11.The first cylindrical structure 11 is assembled from the large-diameter direction of bent axle 20 in the present embodiment, Second cylindrical structure 12 is packed into from small axle diameter direction, and bent axle 20 need to make segmentation in solving the first embodiment of compressor pump The problem of formula, assembling process simple and fast.
In accordance with a further aspect of the present invention, there is provided a kind of compressor, including compressor pump, the above-mentioned reality of compressor pump Apply the compressor pump in example.
According to the abovementioned embodiments of the present invention it is recognised that compressor roller of the invention, compressor pump and compression The real following technique effect of machine:On the premise of bent axle and roller intensity meet, maximum pump discharge can be made to reach theoretical value, reduced Compressor gas leakage rate, improves compressor compresses efficiency.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (4)

1. a kind of compressor roller, it is characterised in that including cylindric roller body (10) and be arranged on the roller body (10) inward flange (60) of first end;
The roller body (10) includes:
First cylindrical structure (11), first end and the inward flange (60) of first cylindrical structure (11) are structure as a whole;
Second cylindrical structure (12), second cylindrical structure (12) is removably disposed in first cylindrical structure (11) It is internal.
2. a kind of compressor pump, it is characterised in that including:
Bent axle (20), off-centre operation (21) is provided with the bent axle (20);
Roller, the roller includes cylindric roller body (10) and is arranged on the inward flange of roller body (10) first end (60), the roller body (10) is set in the periphery of the off-centre operation (21), and the protruding parts of the inward flange (60) is located at First side of the off-centre operation (21);
Compression cylinder (30), the compression cylinder (30) is set in the periphery of the roller;
First flange (40), the first flange (40) is set on the bent axle (20), and positioned at the compression cylinder (30) The first side, the gas discharge after being provided with the first flange (40) for that will be compressed through the compression cylinder (30) is described The exhaust passage (41) of compression cylinder (30), and the inward flange (60) is near the first flange (40) setting;
Second flange (50), the second flange (50) is set on the bent axle (20), and positioned at the compression cylinder (30) Second side relative with the first side;
The roller body (10) includes the first cylindrical structure (11) and the second cylindrical structure (12), wherein, first cylinder The first end of structure (11) is structure as a whole with the inward flange (60), and second cylindrical structure (12) is removably disposed in The inside of first cylindrical structure (11);
The bent axle (20) includes the first shaft part (22) and the second shaft part (23) that are wholely set, and first shaft part (22) Diameter of the diameter less than second shaft part (23).
3. compressor pump according to claim 2, it is characterised in that when the internal diameter of the roller is to the exhaust passage (41) when distance is minimum, the distance of side to the bent axle (20) of the close described bent axle (20) of the inward flange (60) is small In the distance of the exhaust passage (41) to the bent axle (20).
4. a kind of compressor, including compressor pump, it is characterised in that the compressor pump is any in claim 2 to 3 Compressor pump described in.
CN201410427027.9A 2014-08-27 2014-08-27 Compressor roller, compressor pump and compressor Active CN104153993B (en)

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CN201410427027.9A CN104153993B (en) 2014-08-27 2014-08-27 Compressor roller, compressor pump and compressor

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Application Number Priority Date Filing Date Title
CN201410427027.9A CN104153993B (en) 2014-08-27 2014-08-27 Compressor roller, compressor pump and compressor

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CN104153993A CN104153993A (en) 2014-11-19
CN104153993B true CN104153993B (en) 2017-06-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106351834B (en) * 2016-09-20 2018-08-07 珠海凌达压缩机有限公司 Compressor and air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05256282A (en) * 1992-03-13 1993-10-05 Matsushita Electric Ind Co Ltd Rotary compressor
CN201301810Y (en) * 2008-11-06 2009-09-02 松下·万宝(广州)压缩机有限公司 Compressor
CN103486040A (en) * 2012-06-13 2014-01-01 三菱电机株式会社 Rotary compressor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08159068A (en) * 1994-12-08 1996-06-18 Fujitsu General Ltd Rotary compressor
JP5830671B2 (en) * 2011-01-27 2015-12-09 パナソニックIpマネジメント株式会社 Rotary compressor and method for manufacturing the same
CN204041462U (en) * 2014-08-27 2014-12-24 郑州凌达压缩机有限公司 Compressor roller, compressor pump and compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05256282A (en) * 1992-03-13 1993-10-05 Matsushita Electric Ind Co Ltd Rotary compressor
CN201301810Y (en) * 2008-11-06 2009-09-02 松下·万宝(广州)压缩机有限公司 Compressor
CN103486040A (en) * 2012-06-13 2014-01-01 三菱电机株式会社 Rotary compressor

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Inventor after: Lei Weidong

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