CN204627989U - For the bent axle of rotary compressor, rotary compressor and refrigerating circulatory device - Google Patents
For the bent axle of rotary compressor, rotary compressor and refrigerating circulatory device Download PDFInfo
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- CN204627989U CN204627989U CN201520297362.1U CN201520297362U CN204627989U CN 204627989 U CN204627989 U CN 204627989U CN 201520297362 U CN201520297362 U CN 201520297362U CN 204627989 U CN204627989 U CN 204627989U
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Abstract
The utility model discloses a kind of bent axle for rotary compressor, rotary compressor and refrigerating circulatory device, described bent axle comprises: body and eccentric part, eccentric part is set on body, wherein eccentric part is provided with at least one in flexible structure and oil pressure face, flexible structure to be configured to when being subject to the external force of inward direction flexible structure to internal strain, the oil pressure face distance be configured between the tip in the rotating center axis rotation opposite direction oil pressure face of flexing axle and the central axis of eccentric part is less than the distance between the tail end in oil pressure face and the central axis of eccentric part.According to the bent axle for rotary compressor of the present utility model, when eccentric part is provided with the flexible structure of said structure feature, effectively can solve the rotary compressor card machine problem caused because piston extremely contacts with cylinder; When eccentric part is provided with the oil pressure face of said structure feature, high pressure oil film wedge can be formed to improve oil pressure at oil pocket afterbody, improve the lubrication environment of eccentric part and piston.
Description
Technical field
The utility model relates to Compressor Manufacturing technical field, especially relates to a kind of bent axle for rotary compressor, rotary compressor and refrigerating circulatory device.
Background technique
In correlation technique, rotary compressor, for ensureing compressing mechanism volumetric efficiency, has gap between cylinder inner wall and piston outer wall usually.But if having impurity to exist in assembling rear cylinder ID distortion or compressing mechanism, then compressing mechanism usually can in minimum clearance place card machine, thus cause rotary compressor generation stall abnormal.
And the eccentric part of piston and bent axle relies on the oilhole fuel feeding on eccentric part, there is the problems such as low fuel pressure insufficient lubrication, simultaneously the eccentric part of bent axle and the area of contact of piston inner wall comparatively large, friction factor comparatively greatly, causes rotary compressor input power high.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of bent axle for rotary compressor, and described bent axle can absorb the abnormal contact force of piston and bent axle or improve the lubrication circumstances of bent axle and piston.
The utility model also proposes a kind of rotary compressor with above-mentioned bent axle.
The utility model proposes again a kind of refrigerating circulatory device with above-mentioned rotary compressor.
According to the bent axle for rotary compressor of the utility model first aspect, comprising: body; And eccentric part, described eccentric part is on the body sheathed, wherein said eccentric part is provided with at least one in flexible structure and oil pressure face, described flexible structure to be configured to when being subject to the external force of inward direction described flexible structure to internal strain, and described oil pressure face is configured to be less than distance between the tail end in described oil pressure face and the central axis of described eccentric part around the rotating center axis distance rotated between the tip in described oil pressure face in the other direction and the central axis of described eccentric part of described bent axle.
According to the bent axle for rotary compressor of the present utility model, when eccentric part is provided with the flexible structure of said structure feature, effectively can solve the rotary compressor card machine problem caused because piston extremely contacts with cylinder; When eccentric part is provided with the oil pressure face of said structure feature, the rotary centrifugal force of High Rotation Speed bent axle can be utilized, form high pressure oil film wedge at oil pocket afterbody, and then improve entrance oil pressure, improve the lubrication environment of eccentric part and piston.
Particularly, described eccentric part is provided with described flexible structure, described flexible structure has first end and the second end, and the described first end of described flexible structure is connected on the sidewall of described eccentric part, and described second end of described flexible structure and the sidewall of described eccentric part are spaced apart from each other.
Further, described oil pressure face is formed on the sidewall relative with described second end of described flexible structure of described eccentric part.
Alternatively, described oil pressure face is formed as the combination of smooth surface or curved surface and plane.
Further, the central axis of described flexible structure and described eccentric part is positioned at the same side of the central axis of described body.
Further, the described first end of described flexible structure and described second end lay respectively at the both sides of reference level, the central axis that wherein said reference level is described eccentric part and the plane that the central axis of described body is formed.
Further, the distance d2 a bit and between the central axis of described eccentric part farthest of the central axis of eccentric part described in the intersection point middle distance of described flexible structure and described reference level meets: d2 >=R0, wherein, described R0 is the external diameter of described eccentric part.
Particularly, described eccentric part is provided with described flexible structure, described flexible structure has first end and the second end, described first end and described second end of described flexible structure are all connected on the sidewall of described eccentric part, and the other parts except described first end and described second end of described flexible structure and the sidewall of described eccentric part are spaced apart from each other.
Particularly, described eccentric part is provided with described oil pressure face, two end faces being respectively adjacent to described eccentric part at the two ends axially of described eccentric part in described oil pressure face.
Alternatively, the described two ends in described oil pressure face directly adjoin with the corresponding end face of described eccentric part respectively.
Particularly, described eccentric part is provided with described oil pressure face, and described oil pressure face is formed with the connection oilhole be communicated with the center oilhole of described body.
According to the rotary compressor of the utility model second aspect, comprising: housing; Compressing mechanism, described compressing mechanism is located in described housing, and described compressing mechanism has active chamber; And according to the bent axle for rotary compressor of the utility model first aspect, described compressing mechanism is run through in one end of wherein said bent axle, and the described eccentric part of described bent axle is positioned at described active chamber.
According to rotary compressor of the present utility model, by arranging the bent axle for rotary compressor of above-mentioned first aspect, thus improve the overall performance of rotary compressor.
According to the refrigerating circulatory device of the utility model third aspect, comprise the rotary compressor according to the utility model second aspect.
According to refrigerating circulatory device of the present utility model, by arranging the rotary compressor of above-mentioned second aspect, thus improve the overall performance of refrigerating circulatory device.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the rotary compressor according to the utility model embodiment;
Fig. 2 is the generalized section of the compressing mechanism shown in Fig. 1;
Fig. 3 is the axial schematic diagram of part of the compressing mechanism shown in Fig. 2;
Fig. 4 is an operating diagram of the compressing mechanism shown in Fig. 2;
Fig. 5 is another operating diagram of the compressing mechanism shown in Fig. 2;
Fig. 6 is the erection drawing of the crankshaft and piston shown in Fig. 2;
Fig. 7 is the stereogram of the bent axle according to the utility model embodiment one;
Fig. 8 is the plan view of the bent axle shown in Fig. 7;
Fig. 9 and Figure 10 is two axial view of the bent axle shown in Fig. 7;
Figure 11 is the stereogram of the bent axle according to the utility model embodiment two;
Figure 12 is the axial schematic diagram of the bent axle shown in Figure 11;
Figure 13 is the stereogram of the bent axle according to the utility model embodiment three;
Figure 14 is the axial schematic diagram of the bent axle shown in Figure 13;
Figure 15 is the stereogram of the bent axle according to the utility model embodiment four;
Figure 16 is the stereogram of the bent axle according to the utility model embodiment five;
Figure 17 is the axial schematic diagram of the bent axle shown in Figure 16.
Reference character:
1000: rotary compressor;
100: housing;
200: compressing mechanism; 201: main bearing; 202: cylinder; 203: supplementary bearing; 204: slide plate; 205: piston;
300: bent axle; 1: body; 2: eccentric part; 2a: corresponding end face;
21: flexible structure; 211: first end; 212: the second ends;
22: oil pressure face; 22a: first paragraph; 22b: second segment; 22c: two ends; 221: tip; 222: tail end;
23: be communicated with oilhole; 3: oil pocket; 3a: wedge shape space.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Figure 17, the bent axle 300 for rotary compressor 1000 according to the utility model first aspect embodiment is described.
Particularly, rotary compressor 1000 can also comprise: housing 100 and compressing mechanism 200, as depicted in figs. 1 and 2, compressing mechanism 200 can comprise: main bearing 201, cylinder 202, supplementary bearing 203, slide plate 204 and piston 205, main bearing 201 and supplementary bearing 203 are located at the axial two ends of cylinder 202 respectively jointly to limit active chamber with cylinder 202, and bent axle 300 runs through main bearing 201, cylinder 202 and supplementary bearing 203.
According to the bent axle 300 for rotary compressor 1000 of the utility model first aspect embodiment, comprising: body 1 and eccentric part 2.Particularly, with reference to Fig. 7, eccentric part 2 is set on body 1, and wherein, body 1 is substantially formed as elongated cylindrical and passes eccentric part 2.Here, it should be noted that, " sheathed " is used to indicate the position relationship of eccentric part 2 and body 1, instead of for limiting the assembly relation of eccentric part 2 and body 1, such as, eccentric part 2 and body 1 can for individually processing components and by together with follow-up being mounted with, eccentric part 2 and body 1 can also be integrated and be processed into shaped piece.
With reference to Fig. 2, Fig. 3 and Fig. 6, eccentric part 2 be arranged with piston 205 and be engaged in active chamber, cylinder 202 is formed and radially runs through and be communicated to the vane slot of active chamber, slide plate 204 is located in slide plate 204 groove slippingly, and the tip 221 of slide plate 204 is only against on the outer circumferential face of piston 205 all the time.Thus, in the process that bent axle 300 rotates, eccentric part 2 can drive piston 205 to roll along the inner peripheral surface of cylinder 202, and promotion slide plate 204 is along slippage inside and outside the radial direction of cylinder 202 simultaneously, to compress the refrigerant in active chamber.
Particularly, as shown in Fig. 7-Figure 17, eccentric part 2 is provided with at least one in flexible structure 21 and oil pressure face 22, that is, eccentric part 2 can only be provided with flexible structure 21, eccentric part 2 can also only be provided with oil pressure face 22, eccentric part 2 not only can also be provided with flexible structure 21, but also be provided with oil pressure face 22.
Wherein, flexible structure 21 to be configured to when being subject to the external force of inward direction (towards body 1 central axial direction) flexible structure 21 to internal strain.Such as in the example of fig. 4, cylinder 202 adds the curve of profile indicated by a1 arrow line of inner circumferential surface in man-hour, cylinder 202 assembles, be out of shape the curve of the profile of rear inner circumferential surface indicated by a2 arrow line, the curve of original external frame indicated by b1 arrow line of flexible structure 21, when cylinder 202 inner peripheral surface be out of shape is applied to piston 205 abnormal contact force F, inwardly (direction towards piston 205 central axis) deforms flexible structure 21, its profile becomes curve indicated by b2 arrow line.Thus, flexible structure 21 can absorb piston 205 and cylinder 202 exception by distortion and contacts produced contact force.
Like this, when eccentric part 2 is provided with the flexible structure 21 of said structure feature, and when compressing mechanism 200 has impurity to introduce, cylinder 202 ID distortion forms salient point, when accessory size processing errors etc. occur extremely, flexible structure 21 can inwardly deform, to absorb from the contact force produced because of Metal Contact between piston 205 and cylinder 202 inner peripheral surface, that is, absorbed between piston 205 and cylinder 202 because gap is too small by the distortion of flexible structure 21, extremely the contact force produced is contacted, thus guarantee that rotary compressor 1000 runs well, avoid the stuck problem that operates.
As shown in Figure 5, the rotating center axis distance L1 rotated between the tip 221 in the other direction (direction in such as Fig. 5 indicated by R2 arrow line), oil pressure face 22 and the central axis of eccentric part 2 that oil pressure face 22 is configured to flexing axle 300 is less than the distance L2 between the tail end 222 in oil pressure face 22 and the central axis of eccentric part 2.Wherein, in the sense of rotation of bent axle 300, the tip 221 in oil pressure face 22 is positioned at the front of the tail end 222 in oil pressure face 22 all the time.
Like this, when eccentric part 2 is provided with the oil pressure face 22 of said structure feature, because the oil pocket 3 limited between oil pressure face 22 and piston 205 is restrained gradually along the opposite direction (direction in such as Fig. 5 indicated by R2 arrow line) in bent axle 300 sense of rotation (direction in such as Fig. 5 indicated by R1 arrow line), along with bent axle 300 High Rotation Speed is to the operating on centrifugal force of lubricant oil in oil pocket 3, lubricant oil in oil pocket 3 can be gathered in wedge shape space 3a, thus improve sliding bearing entrance and enter oil pressure (curve in such as Fig. 5 indicated by p arrow line), to improve the confession oil condition of eccentric part 2, that is, improve the lubrication circumstances of piston 205 and eccentric part 2.
In addition, because eccentric part 2 is provided with at least one in flexible structure 21 or oil pressure face 22, thus the outer circumferential face of eccentric part 2 can be formed as non-circular, situation such as shown in Fig. 7, namely flexible structure 21 has first end 211 and the second end 212, the first end 211 of flexible structure 21 is connected on the sidewall of eccentric part 2, second end 212 of flexible structure 21 is spaced apart from each other with the sidewall of eccentric part 2, thus with reference to Fig. 5, the outer circumferential face of eccentric part 2 cannot be abundant with the inner peripheral surface of piston 205, contact completely, the area of contact of eccentric part 2 and piston 205 inner peripheral surface can be reduced like this, and then reduce surface of contact friction power loss, improve the efficiency of rotary compressor 1000, after tested, when the motor rotation frequency of rotary compressor 1000 is 60Hz, input power can reduce by 2%.
For the rotary compressor 1000 taking carbon dioxide as refrigerant, test under Chinese national standard performance condition, the refrigerating capacity of installing the rotary compressor 1000 of bent axle 300 (namely eccentric part 2 is full cylinder) in prior art is 6297W, the power input to machine of its correspondence is 1623W, refrigeration efficiency ratio (COP) is 3.88, and the refrigerating capacity being provided with the rotary compressor 1000 of the bent axle 300 (such as eccentric part 2 has flexible structure 21 and oil pressure face 22) of embodiment described herein is 6523W, the power input to machine of its correspondence is 1598W, refrigeration efficiency ratio (COP) is 4.08, thus, by contrast, the refrigerating capacity of installing the rotary compressor 1000 of the bent axle 300 of embodiment described herein improves 1.62%, power input to machine reduces 1.57%, refrigeration efficiency ratio (COP) improves 5.21%.
According to the bent axle 300 for rotary compressor 1000 of the utility model embodiment, when eccentric part 2 is provided with the flexible structure 21 of said structure feature, rotary compressor 1000 effectively can be solved because compressing mechanism 200 suction side, exhaust side gap are little or cause piston 205 and abnormal contact of cylinder 202 and the rotary compressor 1000 card machine problem that causes because compressing mechanism 200 cavity volume exists impurity etc.; When eccentric part 2 is provided with the oil pressure face 22 of said structure feature, oil pocket 3 between piston 205 and eccentric part 2 rotates volume in the other direction along bent axle 300 and reduces gradually, thus the rotary centrifugal force of High Rotation Speed bent axle 300 can be effectively utilized, high pressure oil wedge space is formed at oil pocket 3 afterbody, and then improve entrance oil pressure, improve the lubrication environment of eccentric part 2 and piston 205.
Below with reference to Fig. 7-Figure 17, the bent axle 300 for rotary compressor 1000 according to the multiple embodiment of the utility model is described.
Embodiment one,
With reference to Fig. 7-Figure 10, eccentric part 2 is provided with flexible structure 21, flexible structure 21 has first end 211 and the second end 212, and the first end 211 of flexible structure 21 is connected on the sidewall of eccentric part 2, and the second end 212 of flexible structure 21 is spaced apart from each other with the sidewall of eccentric part 2.Particularly, the first end 211 of flexible structure 21 is connected with the sidewall of eccentric part 2, second end 212 of flexible structure 21 extends towards the direction away from eccentric part 2 sidewall, like this, when piston 205 contacts with change in wall in cylinder 202, resiliently deformable can be there is to absorb abnormal contact force in the second end 212 of flexible structure 21, improve the card machine problem of rotary compressor 1000, and the flexible structure 21 of this kind of structure makes the outer circumferential face of eccentric part 2 entirety be formed as non-circular, thus effectively can reduce the area of contact of piston 205 and eccentric part 2, and then significantly reduce contact friction power, and the structure of this flexible structure 21 is simple, be convenient to processing.
Further, with reference to Fig. 8-Figure 10, the central axis of flexible structure 21 and eccentric part 2 is positioned at the same side of the central axis of body 1, that is, what flexible structure 21 was arranged on eccentric part 2 departs from body 1 side far away, in other words, flexible structure 21 is positioned at the side of the central axis away from body 1 on the central axis of eccentric part 2 and the central axis line of body 1.Thus, by flexible structure 21 is arranged on eccentric part 2 depart from body 1 side far away time, not only can conveniently process, and the resiliently deformable of flexible structure 21 is comparatively large, the ability absorbing abnormal contact force is stronger.
With reference to Fig. 9 and Figure 10, the first end 211 of flexible structure 21 and the second end 212 lay respectively at the both sides in reference level (the A-A face such as shown in Fig. 9), now, distance between the first end 211 of flexible structure 21 and reference level is greater than 0, distance d1 between second end 212 of flexible structure 21 and reference level is also greater than 0, wherein the plane of reference level for being limited by the central axis of eccentric part 2 and the central axis of body 1.Thus, the length of flexible structure 21 is relatively long, more effectively resiliently deformable can occur, and the ability making it absorb abnormal contact force is stronger.Certainly, the utility model is not limited thereto, and the distance d1 between the second end 212 of flexible structure 21 and reference level also can equal 0, and that is, the second end 212 of flexible structure 21 can be concordant with reference level.
With reference to Fig. 9, the central axis distance d2 a bit and between the central axis of eccentric part 2 farthest of the intersection point middle distance eccentric part 2 of flexible structure 21 and reference level meets: d2 >=R0, wherein, R0 is the external diameter of eccentric part 2, thus, flexible structure 21 is enough far away apart from the central axis of eccentric part 2, thus more effective resiliently deformable can occur, to absorb abnormal contact force better.
Further, with reference to Fig. 7 and Fig. 9, oil pressure face 22 is formed on the sidewall relative with the second end 212 of flexible structure 21 of eccentric part 2, like this, because the second end 212 of flexible structure 21 is opened with the sidewall spacers of eccentric part 2, thus the second end 212 of flexible structure 21 can be spaced apart in inward-outward direction with oil pressure face 22, makes can limit oil storage space between flexible structure 21 and oil pressure face 22.Thus, the structure of eccentric part 2 is simple, compact, be convenient to processing, reliably can realize absorbing abnormal contact force, improves lubrication effect and reduce the triple function of contact wear between itself and piston 205.Preferably, oil pressure face 22 can be formed as smooth surface, thus convenient processing and manufacture, processing cost is low.
With reference to Figure 10 composition graphs 5, eccentric part 2 is provided with oil pressure face 22, and oil pressure face 22 is formed with the connection oilhole 23 be communicated with the center oilhole of body 1, thus, lubricant oil in the oilhole of body 1 center can be fed in oil pocket 3 by being communicated with oilhole 23, then at the flows by action of bent axle 300 rotary centrifugal force in the wedge shape space 3a of oil pressure face 22 tail end 222.Thus, be communicated with oilhole 23 by arranging, can so that supply lubricant oil between piston 205 and eccentric part 2.Certainly, the utility model is not limited thereto, and can also supply lubricant oil by other means between piston 205 and eccentric part 2, such as, can supply lubricant oil by fuel supply line between piston 205 and eccentric part 2.
Particularly, as shown in Figure 7, the two ends 22c axially at eccentric part 2 in oil pressure face 22 directly adjoins with the corresponding end face 2a of eccentric part 2 respectively, this is a kind of limit possibility being respectively adjacent to two corresponding end face 2a of eccentric part 2 at the two ends 22c axially of eccentric part 2 in oil pressure face 22, that is, oil pressure face 22 is equal at body 1 thickness axially with eccentric part 2 at body 1 width axially, and oil pressure face 22 two ends 22c in the axial direction and eccentric part 2 two corresponding end face 2a axially align, thus not only convenient processing, and the area in oil pressure face 22 is enough large, make lubricant oil can flow to oil pressure face 22 more fully, realize better lubrication effect.
Embodiment two,
As is illustrated by figs. 11 and 12, the present embodiment is roughly the same with the structure of embodiment one, and wherein identical parts adopt identical reference character, and difference is only: in the present embodiment three, eccentric part 2 is not provided with flexible structure 21.
Embodiment three,
As shown in Figure 13 and Figure 14, eccentric part 2 is provided with flexible structure 21, flexible structure 21 has first end 211 and the second end 212, the first end 211 of flexible structure 21 and the second end 212 are all connected on the sidewall of eccentric part 2, the other parts except first end 211 and the second end 212 of flexible structure 21 and the sidewall of eccentric part 2 are spaced apart from each other, now, can limit meniscate cavity substantially between the sidewall of flexible structure 21 and eccentric part 2, and this cavity can run through eccentric part 2 along the axis of body 1.Thus, when piston 205 contacts with change in wall in cylinder 202, can there is resiliently deformable to absorb contact force in the part except first end 211 and the second end 212 of flexible structure 21.Thus, the structure of flexible structure 21 is simple, be convenient to processing, and flexible structure 21 is high with the connection reliability of eccentric part 2 sidewall, long service life.
Embodiment four,
As shown in figure 15, the present embodiment is roughly the same with the structure of embodiment three, and wherein identical parts adopt identical reference character, and difference is: the eccentric part 2 in the present embodiment is provided with oil pressure face 22.Particularly, eccentric part 2 is provided with oil pressure face 22, two the end face 2a being respectively adjacent to eccentric part 2 at the two ends 22c axially of eccentric part 2 in oil pressure face 22, and two end face 2a of oil pressure face 22 two ends 22c axially and eccentric part 2 are spaced apart, that is, oil pressure face 22 two ends 22c axially does not directly adjoin with the corresponding end face 2a of eccentric part 2, thus, convenient processing, and good lubrication effect can be reached.
Embodiment five,
As shown in Figure 16 and Figure 17, the present embodiment is roughly the same with the structure of embodiment four, wherein identical parts adopt identical reference character, difference is only following two aspects: first aspect, in the present embodiment, the shape of flexible structure 21 is different from the shape of flexible structure 21 in embodiment four, particularly, in embodiment four, the first end 211 of flexible structure 21 and the second end 212 are all connected to (as shown in figure 15) on the sidewall of eccentric part 2, and in the present embodiment, only have the first end 211 of flexible structure 21 to be connected on the sidewall of eccentric part 2, and the second end 212 of flexible structure 21 is opened with the sidewall spacers of eccentric part 2, second aspect, in the present embodiment, the shape in oil pressure face 22 is different from the shape in oil pressure face 22 in embodiment four, particularly, in embodiment four, oil pressure face 22 is formed as curved surface (as shown in figure 15), and oil pressure face 22 comprises circumferential two sections of being connected in the present embodiment, wherein first paragraph 22a is formed as the combination of curved surface and plane, and the two ends 22c axially at eccentric part 2 of first paragraph 22a adjoins two end face 2a of eccentric part 2 respectively, wherein second segment 22b is formed as curved surface, and being respectively adjacent to and two end face 2a of adjacent eccentric part 2 at the two ends 22c axially of eccentric part 2 of second segment 22b, thus, the convenient equally processing in oil pressure face 22 and manufacture, and the lubrication effect that can improve between piston 205 and eccentric part 2.Certainly, the structure in oil pressure face 22 can also be arranged according to actual requirement, to meet actual requirement better.
With reference to Fig. 1, according to the rotary compressor 1000 of the utility model second aspect embodiment, comprise: housing 100, compressing mechanism 200 and the bent axle 300 for rotary compressor 1000 according to the above-mentioned first aspect embodiment of the utility model, wherein, compressing mechanism 200 is located in housing 100, compressing mechanism 200 has active chamber, and compressing mechanism 200 is run through in one end of bent axle 300.Here, it should be noted that, because the structure of rotary compressor 1000 describes in detail hereinbefore, repeat no more here.Be all known according to other configuration examples of the rotary compressor 1000 of the utility model embodiment for those of ordinary skills as motor etc. and operation, be not described in detail here.
According to the rotary compressor 1000 of the utility model embodiment, by arranging the bent axle 300 for rotary compressor 1000 of above-mentioned first aspect embodiment, thus improve the refrigerating capacity of rotary compressor 1000, reduce the power input to machine of rotary compressor 1000, improve the refrigeration efficiency ratio of rotary compressor 1000.
According to the refrigerating circulatory device (scheming not shown) of the utility model third aspect embodiment, comprise the rotary compressor 1000 according to the above-mentioned second aspect embodiment of the utility model.Particularly, refrigerating circulatory device can also comprise condenser (scheming not shown), expansion mechanism (scheming not shown), vaporizer (scheming not shown) etc., wherein rotary compressor 1000 is all connected with condenser with expansion mechanism, and vaporizer is connected with expansion mechanism.According to the refrigerating circulatory device of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
According to the refrigerating circulatory device of the utility model embodiment, by arranging the rotary compressor 1000 of above-mentioned second aspect embodiment, thus improve the overall performance of refrigerating circulatory device.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (13)
1. for a bent axle for rotary compressor, it is characterized in that, comprising:
Body; With
Eccentric part, described eccentric part is on the body sheathed, wherein said eccentric part is provided with at least one in flexible structure and oil pressure face, described flexible structure to be configured to when being subject to the external force of inward direction described flexible structure to internal strain, and described oil pressure face is configured to be less than distance between the tail end in described oil pressure face and the central axis of described eccentric part around the rotating center axis distance rotated between the tip in described oil pressure face in the other direction and the central axis of described eccentric part of described bent axle.
2. the bent axle for rotary compressor according to claim 1, is characterized in that, described eccentric part is provided with described flexible structure,
Described flexible structure has first end and the second end, and the described first end of described flexible structure is connected on the sidewall of described eccentric part, and described second end of described flexible structure and the sidewall of described eccentric part are spaced apart from each other.
3. the bent axle for rotary compressor according to claim 2, is characterized in that, described oil pressure face is formed on the sidewall relative with described second end of described flexible structure of described eccentric part.
4. the bent axle for rotary compressor according to claim 3, is characterized in that, described oil pressure face is formed as the combination of smooth surface or curved surface and plane.
5. the bent axle for rotary compressor according to claim 2, is characterized in that, the central axis of described flexible structure and described eccentric part is positioned at the same side of the central axis of described body.
6. the bent axle for rotary compressor according to claim 5, it is characterized in that, the described first end of described flexible structure and described second end lay respectively at the both sides of reference level, the central axis that wherein said reference level is described eccentric part and the plane that the central axis of described body is formed.
7. the bent axle for rotary compressor according to claim 6, it is characterized in that, the distance d2 a bit and between the central axis of described eccentric part farthest of the central axis of eccentric part described in the intersection point middle distance of described flexible structure and described reference level meets: d2 >=R0, wherein, described R0 is the external diameter of described eccentric part.
8. the bent axle for rotary compressor according to claim 1, is characterized in that, described eccentric part is provided with described flexible structure,
Described flexible structure has first end and the second end, described first end and described second end of described flexible structure are all connected on the sidewall of described eccentric part, and the other parts except described first end and described second end of described flexible structure and the sidewall of described eccentric part are spaced apart from each other.
9. the bent axle for rotary compressor according to claim 1, is characterized in that, described eccentric part is provided with described oil pressure face,
Two end faces being respectively adjacent to described eccentric part at the two ends axially of described eccentric part in described oil pressure face.
10. the bent axle for rotary compressor according to claim 9, is characterized in that, the described two ends in described oil pressure face directly adjoin with the corresponding end face of described eccentric part respectively.
11. bent axles for rotary compressor according to claim 1, is characterized in that, described eccentric part is provided with described oil pressure face, and described oil pressure face are formed with the connection oilhole be communicated with the center oilhole of described body.
12. 1 kinds of rotary compressors, is characterized in that, comprising:
Housing;
Compressing mechanism, described compressing mechanism is located in described housing, and described compressing mechanism has active chamber; And
The bent axle for rotary compressor according to any one of claim 1-11, described compressing mechanism is run through in one end of wherein said bent axle, and the described eccentric part of described bent axle is positioned at described active chamber.
13. 1 kinds of refrigerating circulatory devices, is characterized in that, comprise rotary compressor according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297362.1U CN204627989U (en) | 2015-05-08 | 2015-05-08 | For the bent axle of rotary compressor, rotary compressor and refrigerating circulatory device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297362.1U CN204627989U (en) | 2015-05-08 | 2015-05-08 | For the bent axle of rotary compressor, rotary compressor and refrigerating circulatory device |
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| CN204627989U true CN204627989U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520297362.1U Expired - Fee Related CN204627989U (en) | 2015-05-08 | 2015-05-08 | For the bent axle of rotary compressor, rotary compressor and refrigerating circulatory device |
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| CN (1) | CN204627989U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819155A (en) * | 2015-05-08 | 2015-08-05 | 广东美芝制冷设备有限公司 | Crankshaft used for rotary type compressor, rotary type compressor and refrigerating cycle device |
| WO2016179765A1 (en) * | 2015-05-08 | 2016-11-17 | 广东美芝制冷设备有限公司 | Crankshaft for rotary compressor, rotary compressor and refrigerating cycle device |
| CN112240297A (en) * | 2020-12-01 | 2021-01-19 | 白晓瑞 | Flexible piston compressor |
| CN115217760A (en) * | 2021-10-15 | 2022-10-21 | 广州市德善数控科技有限公司 | Low pressure chamber rotary compressor and air conditioner |
-
2015
- 2015-05-08 CN CN201520297362.1U patent/CN204627989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819155A (en) * | 2015-05-08 | 2015-08-05 | 广东美芝制冷设备有限公司 | Crankshaft used for rotary type compressor, rotary type compressor and refrigerating cycle device |
| WO2016179765A1 (en) * | 2015-05-08 | 2016-11-17 | 广东美芝制冷设备有限公司 | Crankshaft for rotary compressor, rotary compressor and refrigerating cycle device |
| CN104819155B (en) * | 2015-05-08 | 2018-03-20 | 广东美芝制冷设备有限公司 | Bent axle, rotary compressor and refrigerating circulatory device for rotary compressor |
| CN112240297A (en) * | 2020-12-01 | 2021-01-19 | 白晓瑞 | Flexible piston compressor |
| CN115217760A (en) * | 2021-10-15 | 2022-10-21 | 广州市德善数控科技有限公司 | Low pressure chamber rotary compressor and air conditioner |
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Granted publication date: 20150909 Termination date: 20200508 |