CN204436786U - For rotary compressor compressing mechanism and there is its rotary compressor - Google Patents
For rotary compressor compressing mechanism and there is its rotary compressor Download PDFInfo
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- CN204436786U CN204436786U CN201520019587.0U CN201520019587U CN204436786U CN 204436786 U CN204436786 U CN 204436786U CN 201520019587 U CN201520019587 U CN 201520019587U CN 204436786 U CN204436786 U CN 204436786U
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Abstract
The utility model discloses a kind of compressing mechanism for rotary compressor and there is its rotary compressor, described compressing mechanism meets at least one in following four conditions, first condition is that piston and cylinder are respectively Al-alloy parts and are respectively equipped with wear resistant coating, the axial height H11 of compression chamber and the axial height H2 of piston meets: H2+18 μm≤H11≤H2+30 μm, second condition is that piston and slide plate are respectively Al-alloy parts and are respectively equipped with wear resistant coating, Article 3 part is that cylinder and slide plate are respectively Al-alloy parts and are respectively equipped with wear resistant coating, the width D 1 of vane slot and the width D 2 of slide plate meet: D2+16 μm≤D1≤D2+28 μm, the axial height H12 of vane slot and the axial height H3 of slide plate meets: H3+18 μm≤H12≤H3+30 μm, Article 4 part is that at least one in piston and two bearings is respectively Al-alloy parts and is respectively equipped with wear resistant coating.According to the compressing mechanism for rotary compressor of the present utility model, weight is little, reliability is high, performance is good.
Description
Technical field
The utility model relates to compressor apparatus field, especially relates to a kind of compressing mechanism for rotary compressor and has its rotary compressor.
Background technique
Rotary compressor generally includes the parts such as motor, bent axle, piston, slide plate, cylinder, main bearing and supplementary bearing, crankshaft rotating is driven by machine operation, crankshaft rotating motion drives piston to roll in cylinder, promote slide plate to-and-fro motion in vane slot in the process that piston rolls, the flanged surface of main bearing and supplementary bearing coordinates with two end faces of piston respectively.
Cylinder in correlation technique, main bearing and supplementary bearing adopt gray cast iron material to make usually, piston adopts ferrous based powder metallurgical or alloy cast iron material to make, slide plate adopts stainless steel or high speed steel material to make, these materials are ferrous material or steel material, have the advantages that density is large, weight is large, thus cause the weight of compressor complete machine large, and because the weight of irony piston is large, motion inertia force is large, unbalanced force excitation in rolling process can cause the hull vibration of compressor, and the noise of compressor is increased.
In addition, in rotary compressor working procedure in correlation technique, friction fit between component, the friction between such as outside piston face and cylinder inner wall, the friction between outside piston face and slide plate tip, the friction between cylinder vane slot inwall and slide plate bi-side and the frictional ratio between piston end surface and major and minor bearing flange face are more serious, particularly under the condition of high temperature, rub particularly serious, these frictions easily make part surface impaired, thus affect the Performance And Reliability of rotary compressor.
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 compressing mechanism for rotary compressor, and the weight of described compressing mechanism is little, wear resistance good, reliability is high.
The utility model also proposes a kind of rotary compressor with compression mechanism.
According to the compressing mechanism for rotary compressor of the utility model first aspect, comprise: cylinder assembly, described cylinder assembly comprises cylinder and two bearings, described two bearings are located at the axial two ends of described cylinder respectively, limit compression chamber between described cylinder and described two bearings, described cylinder is formed with radial extension and the vane slot be communicated with described compression chamber, piston, described piston is rollably established in described compression chamber, and slide plate, described slide plate is located in described vane slot movably, the inner of described slide plate and the periphery wall of described piston only support, wherein said cylinder assembly, described piston and described slide plate meet first condition at least one in Article 4 part, wherein, described first condition is that described piston and described cylinder are respectively Al-alloy parts, the periphery wall of described piston is provided with the first wear resistant coating, the inner circle wall of described compression chamber is provided with the second wear resistant coating, and the axial height H2 of the axial height H11 of described compression chamber and described piston meets: H2+18 μm≤H11≤H2+30 μm, described second condition is that described piston and described slide plate are respectively Al-alloy parts, and the described periphery wall of described piston is provided with the 3rd wear resistant coating, described the inner of described slide plate is provided with the 4th wear resistant coating, described Article 3 part is that described cylinder and described slide plate are respectively Al-alloy parts, the side wall surface of described vane slot is provided with the 5th wear resistant coating, the both sides of described slide plate are respectively equipped with the 6th wear resistant coating, the width D 1 of described vane slot and the width D 2 of described slide plate meet: D2+16 μm≤D1≤D2+28 μm, the axial height H12 of described vane slot and the axial height H3 of described slide plate meets: H3+18 μm≤H12≤H3+30 μm, described Article 4 part is that at least one in described piston and described two bearings is respectively Al-alloy parts, at least one a side end face of the described piston of vicinity described in described two bearings is provided with the 7th wear resistant coating, at least one a side end face described in described two bearings of vicinity of described piston is provided with the 8th wear resistant coating.
According to the compressing mechanism for rotary compressor of the present utility model, the weight of described compressing mechanism is little, wear resistance good, reliability is high, vibrating noise is little.
Particularly, when described piston and described cylinder meet described first condition, described first wear resistant coating and described second wear resistant coating are hard anodizing coating; When described piston and described slide plate meet described second condition, described 3rd wear resistant coating is hard anodizing coating, and described 4th wear resistant coating is differential arc oxidation coating; When described cylinder and described slide plate meet described Article 3 part, described 5th wear resistant coating is hard anodizing coating, and described 6th wear resistant coating is differential arc oxidation coating; When at least one meets described Article 4 part described in described piston and described two bearings, described 7th wear resistant coating and described 8th wear resistant coating are hard anodizing coating.
Particularly, when described piston and described cylinder meet described first condition, the thickness d 1 of described first wear resistant coating meets: 0.030≤d1≤0.080mm, and the thickness d 2 of described second wear resistant coating meets: 0.030≤d2≤0.080mm; When described piston and described slide plate meet described second condition, the thickness d 3 of described 3rd wear resistant coating meets: 0.030≤d3≤0.080mm, and the thickness d 4 of described 4th wear resistant coating meets: 0.010≤d4≤0.030mm; When described cylinder and described slide plate meet described Article 3 part, the thickness d 5 of described 5th wear resistant coating meets: 0.030≤d5≤0.080mm, and the thickness d 6 of described 6th wear resistant coating meets: 0.010≤d6≤0.030mm; When at least one meets described Article 4 part described in described piston and described two bearings, the thickness d 7 of described 7th wear resistant coating meets: 0.030≤d7≤0.080mm, and the thickness d 8 of described 8th wear resistant coating meets: 0.030≤d8≤0.080mm.
Particularly, when described piston and described cylinder meet described first condition, described piston and described cylinder are respectively silumin part; When described piston and described slide plate meet described second condition, described piston and described slide plate are respectively silumin part; When described cylinder and described slide plate meet described Article 3 part, described cylinder and described slide plate are respectively silumin part; When at least one meets described Article 4 part described in described piston and described two bearings, at least one in described piston and described two bearings is respectively silumin part.
Particularly, described cylinder assembly, described piston and described slide plate meet described first condition to described Article 4 part simultaneously.
According to the rotary compressor of the utility model second aspect, comprise the compressing mechanism for rotary compressor according to the utility model first aspect.
According to rotary compressor of the present utility model, by arranging the compressing mechanism for rotary compressor of above-mentioned first aspect, thus improve the overall performance of rotary compressor.
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 sectional drawing of the rotary compressor according to the utility model embodiment;
Fig. 2 is the schematic diagram of the cylinder according to the utility model embodiment;
Fig. 3 is the schematic diagram of the piston according to the utility model embodiment;
Fig. 4 is the sectional drawing of the piston shown in Fig. 3;
Fig. 5 is the schematic diagram of the slide plate according to the utility model embodiment;
Fig. 6 is the plan view of the slide plate shown in Fig. 5;
Fig. 7 is the schematic diagram of the main bearing according to the utility model embodiment;
Fig. 8 is the sectional drawing of the main bearing shown in Fig. 7;
Fig. 9 is the schematic diagram of the supplementary bearing according to the utility model embodiment;
Figure 10 is the sectional drawing of the supplementary bearing shown in Fig. 9.
Reference character:
100: rotary compressor;
1: housing; 2: motor;
3: compressing mechanism; 31: cylinder; 311: compression chamber; 312: vane slot;
32: piston; 33: slide plate; 34: main bearing; 35: supplementary bearing;
4: bent axle; 41: eccentric part.
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 10, the compressing mechanism 3 for rotary compressor 100 according to the utility model first aspect embodiment is described.
As shown in Figure 1, according to the compressing mechanism 3 for rotary compressor 100 of the utility model first aspect embodiment, comprising: cylinder assembly, piston 32 and slide plate 33.
Particularly, cylinder assembly comprises cylinder 31 and two bearings (i.e. main bearing 34 and supplementary bearing 35), and main bearing 34 and supplementary bearing 35 are located at the axial two ends of cylinder 31 respectively, limits compression chamber 311 between cylinder 31 and main bearing 34, supplementary bearing 35.As depicted in figs. 1 and 2, cylinder 31 is formed with the compression lumen pore axially run through along it, main bearing 34 and supplementary bearing 35 are located at the axial two ends of cylinder 31 respectively with two end faces of capping compression lumen pore axis, thus main bearing 34, supplementary bearing 35 limit compression chamber 311 jointly with compression lumen pore.
Cylinder 31 is formed with radial extension and the vane slot 312 be communicated with compression chamber 311, slide plate 33 is located in vane slot 312 movably, and piston 32 is rollably established in compression chamber 311, and the inner of slide plate 33 and the periphery wall of piston 32 only support.As Figure 1-Figure 4, piston 32 is formed as annulus cylindricality substantially, and the axis being parallel of the axis of piston 32 and cylinder 31, the inwall that piston 32 againsts compression chamber 311 rolls along the circumference of compression chamber 311, vane slot 312 is formed along the radially outward of compression chamber 311 is recessed by the inwall of compression lumen pore, thus vane slot 312 is connected with compression chamber 311, slide plate 33 is located in vane slot 312, and can slide inside and outside the radial direction of compression chamber 311, the outer end of slide plate 33 is connected with spring (scheming not shown), spring applies towards the thrust of compression chamber 311 central direction to slide plate 33 all the time, only support to make the periphery wall of the inner of slide plate 33 and piston 32, thus, it is periodically variable air aspiration cavity and exhaust cavity that compression chamber 311 is separated into volume by slide plate 33 and piston 32 jointly.
Cylinder assembly, piston 32 and slide plate 33 meet at least one in following first condition, second condition, Article 3 part and Article 4 part, that is, cylinder assembly, piston 32 and slide plate 33 can meet, two, three or four in first condition, second condition, Article 3 part and Article 4 part.Preferably, cylinder assembly, piston 32 and slide plate 33 can meet four in first condition, second condition, Article 3 part and Article 4 part, that is, cylinder assembly, piston 32 and slide plate 33 can meet first condition, second condition, Article 3 part and Article 4 part simultaneously.
Particularly, with reference to Fig. 1, and composition graphs 2, Fig. 3 and Fig. 4, first condition is: piston 32 and cylinder 31 are respectively Al-alloy parts, such as silumin part, that is, piston 32 and cylinder 31 are made up of silumin material respectively, the periphery wall of piston 32 is provided with the first wear resistant coating 32A, that is, the wall that piston 32 coordinates with compression chamber 311 hole of cylinder 31 has the first wear resistant coating 32A, the inner circle wall of compression chamber 311 is provided with the second wear resistant coating 31A, that is, the wall that compression chamber 311 hole of cylinder 31 coordinates with piston 32 has the second wear resistant coating 31A, the axial height H11 of the compression chamber 311 and axial height H2 of piston 32 meets: H2+18 μm≤H11≤H2+30 μm, that is, the axial height H11 of compression chamber 311 exceeds 18 μm ~ 30 μm than the axial height H2 of piston 32.Here, it should be noted that, the axial height H11 of compression chamber 311 can equal the axial height H1 of cylinder 31, that is, and H11=H1.
Thus, because aluminum alloy material is lightweight material, thus efficiently reduce the weight of cylinder 31 and piston 32, the overall weight of compressing mechanism 3 and rotary compressor 100 is alleviated, and reduce the motion inertia force of piston 32, and then reduce the amount of unbalance of compressing mechanism 3, reduce vibration and the noise of rotary compressor 100.In addition, be provided with wear-resistant, resistant to elevated temperatures wear resistant coating due between the surface that piston 32 and cylinder 31 cooperatively interact, thus the reliability of the wear resistance that can improve between surface that piston 32 and cylinder 31 cooperatively interact and compressing mechanism 3 entirety.
Alternatively, the first wear resistant coating 32A and the second wear resistant coating 31A is hard anodizing coating, and the thickness d 1 of the first wear resistant coating 32A meets: the thickness d 2 of 0.030≤d1≤0.080mm, the second wear resistant coating 31A meets: 0.030≤d2≤0.080mm.Thus, the hardness of the first wear resistant coating 32A and the second wear resistant coating 31A can reach HV500.Because hard anodizing coating has excellent wear-resistant, high-temperature stability, thus the wearing and tearing that can effectively reduce between surface that piston 32 and cylinder 31 cooperatively interact, and pass through the thickness of restriction first wear resistant coating 32A and the second wear resistant coating 31A, thus the wear-resisting reliability that can improve further between surface that piston 32 and cylinder 31 cooperatively interact, and then improve the reliability of compressing mechanism 3 entirety.
Particularly, with reference to Fig. 1, and composition graphs 3-Fig. 6, second condition is: piston 32 and slide plate 33 are respectively Al-alloy parts, such as silumin part, that is, piston 32 and slide plate 33 are made up of silumin material respectively, the periphery wall of piston 32 is provided with the 3rd wear resistant coating 32B, that is, the wall that piston 32 coordinates with the inner of slide plate 33 has the 3rd wear resistant coating 32B, the inner of slide plate 33 is provided with the 4th wear resistant coating 33A, that is, the wall that the inner of slide plate 33 coordinates with piston 32 has the 4th wear resistant coating 33A.Thus, because aluminum alloy material is lightweight material, thus efficiently reduce the weight of piston 32 and slide plate 33, reduce vibration and the noise of rotary compressor 100.In addition, be provided with wear-resistant, resistant to elevated temperatures wear resistant coating due between the surface that piston 32 and slide plate 33 cooperatively interact, thus the reliability of the wear resistance that can improve between surface that piston 32 and slide plate 33 cooperatively interact and compressing mechanism 3 entirety.
Alternatively, 3rd wear resistant coating 32B is hard anodizing coating, 4th wear resistant coating 33A is differential arc oxidation coating, and the thickness d 3 of the 3rd wear resistant coating 32B meets: the thickness d 4 of 0.030≤d3≤0.080mm, the 4th wear resistant coating 33A meets: 0.010≤d4≤0.030mm.Thus, the hardness of the 3rd wear resistant coating 32B can reach HV500, and the hardness of the 4th wear resistant coating 33A can reach HV1000.Because differential arc oxidation coating and hard anodizing coating all have excellent wear-resistant, high-temperature stability, thus the wearing and tearing that can effectively reduce between surface that piston 32 and slide plate 33 cooperatively interact, and pass through the thickness of restriction the 3rd wear resistant coating 32B and the 4th wear resistant coating 33A, thus the wear-resisting reliability that can improve further between surface that piston 32 and slide plate 33 cooperatively interact, and then improve the reliability of compressing mechanism 3 entirety.
Particularly, with reference to Fig. 1, and composition graphs 2, Fig. 5 and Fig. 6, Article 3 part is: cylinder 31 and slide plate 33 are respectively Al-alloy parts, such as silumin part, that is, cylinder 31 and slide plate 33 are made up of silumin material respectively, the side wall surface of vane slot 312 is provided with the 5th wear resistant coating 31B, that is, the wall that vane slot 312 matches with the two side walls on slide plate 33 width direction has the 5th wear resistant coating 31B, the both sides of slide plate 33 are respectively equipped with the 6th wear resistant coating 33B, that is, the wall that two side walls on slide plate 33 width direction matches with vane slot 312 has the 6th wear resistant coating 33B.
Thus, because aluminum alloy material is lightweight material, thus efficiently reduce the weight of cylinder 31 and slide plate 33, reduce vibration and the noise of rotary compressor 100.In addition, be provided with wear-resistant, resistant to elevated temperatures wear resistant coating due between the surface that cylinder 31 and slide plate 33 cooperatively interact, thus the reliability of the wear resistance that can improve between surface that cylinder 31 and slide plate 33 cooperatively interact and compressing mechanism 3 entirety.
Alternatively, 5th wear resistant coating 31B is hard anodizing coating, 6th wear resistant coating 33B is differential arc oxidation coating, and the thickness d 5 of the 5th wear resistant coating 31B meets: the thickness d 6 of 0.030≤d5≤0.080mm, the 6th wear resistant coating 33B meets: 0.010≤d6≤0.030mm.Thus, the hardness of the 5th wear resistant coating 31B can reach HV500, and the hardness of the 6th wear resistant coating 33B can reach HV1000.Because differential arc oxidation coating has excellent wear-resistant, high-temperature stability, thus the wearing and tearing that can effectively reduce between surface that cylinder 31 and slide plate 33 cooperatively interact, and pass through the thickness of restriction the 5th wear resistant coating 31B and the 6th wear resistant coating 33B, thus the wear-resisting reliability that can improve further between surface that cylinder 31 and slide plate 33 cooperatively interact, and then improve the reliability of compressing mechanism 3 entirety.
Further, the width D 1 of vane slot 312 and the width D 2 of slide plate 33 meet: D2+16 μm≤D1≤D2+28 μm, that is, the width D 1 of vane slot 312 goes out greatly 16 μm ~ 28 μm than the width D 2 of slide plate 33, the axial height H12 of the vane slot 312 and axial height H3 of slide plate 33 meets: H3+18 μm≤H12≤H3+30 μm, that is, the axial height H12 of vane slot 312 goes out greatly 18 μm ~ 30 μm than the axial height H3 of slide plate 33.Here, it should be noted that, the axial height H12 of vane slot 312 can equal the axial height H1 of cylinder 31, that is, and H12=H1.
Here, it should be noted that, the width D 1 of vane slot 312 is used as broad understanding, and namely the width D 1 of vane slot 312 is the width after vane slot 312 is provided with the 5th wear resistant coating 31B, the width D 2 of slide plate 33 is used as broad understanding, and namely slide plate 33 is provided with the width after the 6th wear resistant coating 33B.
Particularly, with reference to Fig. 1, and composition graphs 3, Fig. 4, Fig. 7-Figure 10, Article 4 part is: at least one in piston 32 and two bearings is respectively Al-alloy parts, such as silumin part, one side end face of the adjacent piston 32 of at least one in two bearings is provided with the 7th wear resistant coating, and the side end face of at least one in vicinity two bearings of piston 32 is provided with the 8th wear resistant coating 32C.
That is, piston 32 and main bearing 34 can be respectively Al-alloy parts, such as silumin part, piston 32 and supplementary bearing 35 can be respectively Al-alloy parts, such as silumin part, piston 32, main bearing 34 and supplementary bearing 35 can be respectively Al-alloy parts, such as silumin part.When piston 32 and main bearing 34 are respectively Al-alloy parts, such as, during silumin part, a side end face of the adjacent piston 32 of main bearing 34 has the 7th wear resistant coating 34A, a side end face of the contiguous main bearing 34 of piston 32 has the 8th wear resistant coating 32C.When piston 32 and supplementary bearing 35 are respectively Al-alloy parts, such as, during silumin part, a side end face of the adjacent piston 32 of supplementary bearing 35 has the 7th wear resistant coating 35A, a side end face of the contiguous supplementary bearing 35 of piston 32 has the 8th wear resistant coating 32C.When piston 32, main bearing 34 and supplementary bearing 35 are Al-alloy parts, such as during silumin part, on one side end face of the adjacent piston 32 of supplementary bearing 35 and on a side end face of the adjacent piston 32 of supplementary bearing 35, all there is the 7th wear resistant coating, the axial both sides end face of piston 32 all has the 8th wear resistant coating 32C.
Thus, because aluminum alloy material is lightweight material, thus efficiently reduce the weight of bearing and piston 32, reduce vibration and the noise of rotary compressor 100.In addition, be provided with wear-resistant, resistant to elevated temperatures wear resistant coating due between the surface that bearing and piston 32 cooperatively interact, thus the reliability of the wear resistance that can improve between surface that bearing and piston 32 cooperatively interact and compressing mechanism 3 entirety.
Alternatively, the 7th wear resistant coating and the 8th wear resistant coating 32C are hard anodizing coating, and the thickness d 7 of the 7th wear resistant coating meets: the thickness d 8 of 0.030≤d7≤0.080mm, the 8th wear resistant coating 32C meets: 0.030≤d8≤0.080mm.Thus, the hardness of the 7th wear resistant coating and the 8th wear resistant coating 32C all can reach HV500.Because hard anodizing coating has excellent wear-resistant, high-temperature stability, thus the wearing and tearing that can effectively reduce between surface that bearing and piston 32 cooperatively interact, and pass through the thickness of restriction the 7th wear resistant coating and the 8th wear resistant coating 32C, thus the wear-resisting reliability that can improve further between surface that bearing and piston 32 cooperatively interact, and then improve the reliability of compressing mechanism 3 entirety.
According to the compressing mechanism 3 for rotary compressor 100 of the utility model embodiment, when piston 32, slide plate 33, cylinder 31, main bearing 34 and supplementary bearing 35 all adopt light aluminum alloy material to make, the weight of piston 32, slide plate 33, cylinder 31, main bearing 34 and supplementary bearing 35 is little, about alleviate 1.6 times, the inertial force that piston 32 moves is little, amount of unbalance is little, and the vibrating noise of compressing mechanism 3 is little.In addition, because the first wear resistant coating 32A has good high temperature resistant, wear-resisting property to the 8th wear resistant coating 32C, thus the friction fit that can effectively reduce between corresponding component, improve the reliability of compressing mechanism 3, in brief, little according to the weight of the compressing mechanism 3 of the utility model embodiment, wear resistance good, reliability is high, vibrating noise is little.
Preferably, piston 32, slide plate 33, cylinder 31, main bearing 34 and supplementary bearing 35 all adopt silumin material to make.Certainly, the utility model is not limited thereto, and piston 32, slide plate 33, cylinder 31, main bearing 34 and supplementary bearing 35 can also adopt other light aluminum alloy materials to make.
With reference to Fig. 1, according to the rotary compressor 100 of the utility model second aspect embodiment, comprise the compressing mechanism 3 for rotary compressor 100 according to the above-mentioned first aspect embodiment of the utility model.Certainly, be understandable that, rotary compressor 100 can also comprise housing 1, motor 2 and bent axle 4.
Particularly, as shown in Figure 1, housing 1 can comprise upper shell, middle casing and lower shell body, wherein middle casing can be formed as the cylindrical shape of both ends open substantially, upper shell and lower shell body are sealed in the axial two ends of middle casing respectively, and can be fixed together by the mode of welding and middle casing.Certainly, the structure of housing 1 is not limited thereto.
With reference to Fig. 1, motor 2, bent axle 4 and compressing mechanism 3 are all located in housing 1, motor 2 can comprise rotor and stator, one end of bent axle 4 and the rotor of motor 2 are fixed together, the other end of bent axle 4 runs through compressing mechanism 3, the other end of wherein bent axle 4 has eccentric part 41, eccentric part 41 is engaged in compression chamber 311, piston 32 is set on eccentric part 41, when in the process that motor 2 works, rotor can be with dynamic crankshaft 4 to rotate, and bent axle 4 rotates and piston 32 can be driven in compression chamber 311 to roll to compress the refrigerant in compression chamber 311.
According to the rotary compressor 100 of the utility model embodiment, by arranging the compressing mechanism 3 for rotary compressor 100 of above-mentioned first aspect embodiment, thus improve the overall performance of rotary compressor 100.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " 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 (6)
1. for a compressing mechanism for rotary compressor, it is characterized in that, comprising:
Cylinder assembly, described cylinder assembly comprises cylinder and two bearings, described two bearings are located at the axial two ends of described cylinder respectively, limit compression chamber between described cylinder and described two bearings, described cylinder are formed with radial extension and the vane slot be communicated with described compression chamber;
Piston, described piston is rollably established in described compression chamber; And
Slide plate, described slide plate is located in described vane slot movably, and the inner of described slide plate and the periphery wall of described piston only support, and wherein said cylinder assembly, described piston and described slide plate meet first condition at least one in Article 4 part,
Wherein, described first condition is that described piston and described cylinder are respectively Al-alloy parts, the periphery wall of described piston is provided with the first wear resistant coating, the inner circle wall of described compression chamber is provided with the second wear resistant coating, and the axial height H2 of the axial height H11 of described compression chamber and described piston meets: H2+18 μm≤H11≤H2+30 μm
Described second condition is that described piston and described slide plate are respectively Al-alloy parts, and the described periphery wall of described piston is provided with the 3rd wear resistant coating, and described the inner of described slide plate is provided with the 4th wear resistant coating,
Described Article 3 part is that described cylinder and described slide plate are respectively Al-alloy parts, the side wall surface of described vane slot is provided with the 5th wear resistant coating, the both sides of described slide plate are respectively equipped with the 6th wear resistant coating, the width D 1 of described vane slot and the width D 2 of described slide plate meet: D2+16 μm≤D1≤D2+28 μm, the axial height H12 of described vane slot and the axial height H3 of described slide plate meets: H3+18 μm≤H12≤H3+30 μm
Described Article 4 part is that at least one in described piston and described two bearings is respectively Al-alloy parts, at least one a side end face of the described piston of vicinity described in described two bearings is provided with the 7th wear resistant coating, and at least one the side end face described in described two bearings of vicinity of described piston is provided with the 8th wear resistant coating.
2. the compressing mechanism for rotary compressor according to claim 1, is characterized in that,
When described piston and described cylinder meet described first condition, described first wear resistant coating and described second wear resistant coating are hard anodizing coating;
When described piston and described slide plate meet described second condition, described 3rd wear resistant coating is hard anodizing coating, and described 4th wear resistant coating is differential arc oxidation coating;
When described cylinder and described slide plate meet described Article 3 part, described 5th wear resistant coating is hard anodizing coating, and described 6th wear resistant coating is differential arc oxidation coating;
When at least one meets described Article 4 part described in described piston and described two bearings, described 7th wear resistant coating and described 8th wear resistant coating are hard anodizing coating.
3. the compressing mechanism for rotary compressor according to claim 1, is characterized in that,
When described piston and described cylinder meet described first condition, the thickness d 1 of described first wear resistant coating meets: 0.030≤d1≤0.080mm, and the thickness d 2 of described second wear resistant coating meets: 0.030≤d2≤0.080mm;
When described piston and described slide plate meet described second condition, the thickness d 3 of described 3rd wear resistant coating meets: 0.030≤d3≤0.080mm, and the thickness d 4 of described 4th wear resistant coating meets: 0.010≤d4≤0.030mm;
When described cylinder and described slide plate meet described Article 3 part, the thickness d 5 of described 5th wear resistant coating meets: 0.030≤d5≤0.080mm, and the thickness d 6 of described 6th wear resistant coating meets: 0.010≤d6≤0.030mm;
When at least one meets described Article 4 part described in described piston and described two bearings, the thickness d 7 of described 7th wear resistant coating meets: 0.030≤d7≤0.080mm, and the thickness d 8 of described 8th wear resistant coating meets: 0.030≤d8≤0.080mm.
4. the compressing mechanism for rotary compressor according to claim 1, is characterized in that,
When described piston and described cylinder meet described first condition, described piston and described cylinder are respectively silumin part;
When described piston and described slide plate meet described second condition, described piston and described slide plate are respectively silumin part;
When described cylinder and described slide plate meet described Article 3 part, described cylinder and described slide plate are respectively silumin part;
When at least one meets described Article 4 part described in described piston and described two bearings, at least one in described piston and described two bearings is respectively silumin part.
5. the compressing mechanism for rotary compressor according to claim 1, is characterized in that, described cylinder assembly, described piston and described slide plate meet described first condition to described Article 4 part simultaneously.
6. a rotary compressor, is characterized in that, comprises the compressing mechanism for rotary compressor according to any one of claim 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520019587.0U CN204436786U (en) | 2015-01-12 | 2015-01-12 | For rotary compressor compressing mechanism and there is its rotary compressor |
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| CN201520019587.0U CN204436786U (en) | 2015-01-12 | 2015-01-12 | For rotary compressor compressing mechanism and there is its rotary compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664074A (en) * | 2019-03-05 | 2020-09-15 | 上海海立电器有限公司 | Piston for compressor, pump body assembly and compressor |
| CN112343820A (en) * | 2020-09-25 | 2021-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Multilayer roller type compressor and air conditioner using same |
-
2015
- 2015-01-12 CN CN201520019587.0U patent/CN204436786U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664074A (en) * | 2019-03-05 | 2020-09-15 | 上海海立电器有限公司 | Piston for compressor, pump body assembly and compressor |
| CN111664074B (en) * | 2019-03-05 | 2022-06-21 | 上海海立电器有限公司 | Piston for compressor, pump body assembly and compressor |
| CN112343820A (en) * | 2020-09-25 | 2021-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Multilayer roller type compressor and air conditioner using same |
| CN112343820B (en) * | 2020-09-25 | 2023-01-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Multilayer roller type compressor and air conditioner using same |
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