CN204239256U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN204239256U CN204239256U CN201420604302.5U CN201420604302U CN204239256U CN 204239256 U CN204239256 U CN 204239256U CN 201420604302 U CN201420604302 U CN 201420604302U CN 204239256 U CN204239256 U CN 204239256U
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Abstract
The utility model discloses a kind of rotary compressor, rotary compressor comprises: cylinder assembly, main bearing assembly and supplementary bearing assembly, cylinder assembly comprises cylinder, cylinder has compression chamber, main bearing assembly is located at the top of cylinder assembly, main bearing assembly is formed with the main silencing cavity be communicated with compression chamber, supplementary bearing assembly is located at the bottom of cylinder assembly, supplementary bearing assembly is formed with secondary silencing cavity and exhaust cavity, secondary silencing cavity is all communicated with main silencing cavity with compression chamber, and exhaust cavity is communicated with secondary silencing cavity.According to rotary compressor of the present utility model, the main silencing cavity and secondary silencing cavity that communicate with each other are set respectively by the both sides at cylinder assembly, thus can exhaust resistance be reduced, and by exhaust cavity being arranged on supplementary bearing assembly, thus the rigidity of bent axle can be ensured, that reduces compressor tells oil mass, improves the reliability of compressor.In addition, the structure of cylinder assembly is simple, and cost of production is low.
Description
Technical field
The utility model relates to compressor apparatus field, especially relates to a kind of rotary compressor.
Background technique
From the viewpoint of environmental protection, relative to the rotary compressor of traditional housing inner high voltage, in housing, the refrigerant enclosed volume of the rotary compressor of low pressure is less, and it is lower that housing bears pressure, can solve enclosed volume restricted problem and the high-voltage safety problem of flammable refrigerant and high pressure refrigerant well.In housing in correlation technique, the air cylinder structure of the rotary compressor of low pressure is complicated, cost is high, reliability is lower.
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 rotary compressor, and the structure of described rotary compressor is simple, performance good.
According to rotary compressor of the present utility model, comprising: cylinder assembly, described cylinder assembly comprises cylinder, and described cylinder has compression chamber; Main bearing assembly, described main bearing assembly is located at the top of described cylinder assembly, described main bearing assembly is formed with the main silencing cavity be communicated with described compression chamber; And supplementary bearing assembly, described supplementary bearing assembly is located at the bottom of described cylinder assembly, described supplementary bearing assembly is formed with secondary silencing cavity and exhaust cavity, and described secondary silencing cavity is all communicated with described main silencing cavity with described compression chamber, and described exhaust cavity is communicated with described secondary silencing cavity.
According to rotary compressor of the present utility model, the main silencing cavity and secondary silencing cavity that communicate with each other are set respectively by the both sides at cylinder assembly, thus can exhaust resistance be reduced, and by exhaust cavity being arranged on supplementary bearing assembly, thus the rigidity of bent axle can be ensured, that reduces compressor tells oil mass, improves the reliability of compressor.In addition, the structure of cylinder assembly is simple, and cost of production is low.
Particularly, described main bearing assembly comprises: main bearing, and wherein said main bearing is located at the top of described cylinder assembly; With main cover plate, described main cover plate is set on described main bearing, limits described main silencing cavity between described main bearing and described main cover plate.
Further, the upper surface of described main bearing is formed with recessed main silencing groove downwards, between described main silencing groove and described main cover plate, limits described main silencing cavity.
Particularly, described main silencing cavity comprises multiple first main noise reduction section and multiple second main noise reduction section, described multiple second main noise reduction section and described multiple first main noise reduction section interlaced arrangement successively on the flow direction of refrigerant, and the flow area of described first main noise reduction section is less than the flow area of described second main noise reduction section.
Further, described main bearing is formed with main vent, the two ends of described main vent are communicated with described main silencing cavity with described compression chamber respectively, and the minimum flow area of described main silencing cavity is greater than the cross-section area of described main vent.
Particularly, described rotary compressor comprises further: communicating passage, and described communicating passage runs through described cylinder assembly, and the two ends of described communicating passage are communicated with described secondary silencing cavity with described main silencing cavity respectively.
Alternatively, described communicating passage vertically extends.
Particularly, described supplementary bearing assembly comprises: supplementary bearing, and wherein said supplementary bearing is located at the bottom of described cylinder assembly; Auxiliary coverplate, described auxiliary coverplate be located at described supplementary bearing bottom and and limit receiving cavity between described supplementary bearing; Baffler, described baffler is located in described receiving cavity, limits described secondary silencing cavity between the inner circle wall of wherein said baffler and described supplementary bearing, limits described exhaust cavity between the periphery wall of described baffler and described supplementary bearing, described auxiliary coverplate.
Alternatively, described cylinder assembly comprises two the described cylinders arranged in the vertical direction, and be provided with dividing plate between described two cylinders, each described cylinder has described compression chamber.
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 single cylinder rotary compressor according to the utility model embodiment;
Fig. 2 is the sectional drawing of the main bearing shown in Fig. 1;
Fig. 3 is the plan view of the main bearing shown in Fig. 1;
Fig. 4 is the schematic diagram of the twin-tub rotation-type compressor according to the utility model embodiment.
Reference character:
100: rotary compressor;
1: housing; 11: upper shell; 12: middle casing; 13: lower shell body;
2: electric machine assembly; 21: rotor; 22: stator;
3: bent axle;
4: cylinder assembly; 41: master cylinder; 41A: main compression chamber; 41B: main suction port;
42: the first cylinders; 42A: the first compression chamber; 42B: the first suction port;
43: dividing plate;
44: the second cylinders; 44A: the second compression chamber; 44B: the second suction port;
5: main bearing assembly; 51: main bearing; 51A: main vent; 511: connecting shaft portion; 512: support;
52: main cover plate;
6: supplementary bearing assembly; 61: supplementary bearing; 62: auxiliary coverplate; 63: baffler; 631: intercommunicating pore;
7: liquid-storage container; 71: coolant distribution device; 8: outlet pipe;
S1: main silencing cavity; S11: the first main noise reduction section; S12: the second main noise reduction section;
S2: communicating passage: S21: first passage section; S22: second channel section; S23: third channel section;
S3: be communicated with subchannel: the S31: the first subchannel section; S32: the second subchannel section; S33: the three subchannel section;
S4: secondary silencing cavity; S5: exhaust cavity.
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-Fig. 4, the rotary compressor 100 according to the utility model embodiment is described.
As shown in Figure 1, according to the rotary compressor 100 of the utility model embodiment, can comprise: housing 1, electric machine assembly 2, compressing mechanism and bent axle 3, wherein compressing mechanism can comprise: cylinder assembly 4, main bearing assembly 5 and supplementary bearing assembly 6.Wherein, rotary compressor 100 can be vertical compressor 100 or horizontal compressor 100, is only described for vertical compressor 100 below.
Wherein, housing 1 can comprise upper shell 11, middle casing 12 and lower shell body 13, and middle casing 12 is connected between upper shell 11 and lower shell body 13, and middle casing 12 adopts welding procedure to be integrally fixed structure respectively with upper shell 11 and lower shell body 13.Certainly, be understandable that, the structure of housing 1 is not limited thereto.
As shown in Figure 1, electric machine assembly 2 can be located at the top in housing 1, and electric machine assembly 2 can comprise stator 22 and rotor 21, stator 22 can be fixed together with the periphery wall of middle casing 12, rotor 21 can be located in stator 22 rotationally, its rotor 21 is connected with the top of bent axle 3, thus rotor 21 can driving crank 3 flexing axle 3 central axis rotate.
Further, compressing mechanism to be arranged in housing 1 and to be positioned at the below of electric machine assembly 2, the bottom of bent axle 3 runs through main bearing assembly 5, cylinder assembly 4 and supplementary bearing assembly 6 in turn, wherein, cylinder assembly 4 comprises cylinder, and limits compression chamber in cylinder, bent axle 3 has eccentric part, eccentric part is engaged in compression chamber, when rotor 21 driving crank 3 top rotate time, eccentric part can in compression chamber eccentric rotary to compress the refrigerant entered in compression chamber.
Further, with reference to Fig. 1, main bearing assembly 5 is located at the top of cylinder assembly 4, main bearing assembly 5 is formed with the main silencing cavity S1 be communicated with compression chamber, supplementary bearing assembly 6 is located at the bottom of cylinder assembly 4, supplementary bearing assembly 6 is formed with secondary silencing cavity S4 and exhaust cavity S5, secondary silencing cavity S4 is communicated with main silencing cavity S1, and exhaust cavity S5 is communicated with secondary silencing cavity S4.Like this, refrigerant in compression chamber after compression can flow directly in main silencing cavity S1, and be connected with secondary silencing cavity S4 due to main silencing cavity S1, thus the refrigerant in main silencing cavity S1 can also flow in secondary silencing cavity S4, again because secondary silencing cavity S4 is connected with exhaust cavity S5, thus the refrigerant in secondary silencing cavity S4 can flow in exhaust cavity S5, and finally discharge.Thus, can play and effectively fall resistance, soundproof effect.
Certainly, the utility model is not limited thereto, secondary silencing cavity S4 can also directly be connected with compression chamber, now, compression chamber is connected with secondary silencing cavity S4 with main silencing cavity S1 respectively, thus the refrigerant in compression chamber after compression can flow in main silencing cavity S1 and secondary silencing cavity S4 respectively, wherein, refrigerant in main silencing cavity S1 can flow in secondary silencing cavity S4, this part refrigerant can mix with the direct refrigerant flowed in secondary silencing cavity S4 from compression chamber, and then jointly flow in exhaust cavity S5 from secondary silencing cavity S4, and finally discharge.Thus, can exhaust resistance be reduced, improve exhaust efficiency.
Thus, relative to exhaust cavity S5 being arranged in the middle part of cylinder assembly 4 or technological scheme above in the middle part of cylinder assembly 4, by exhaust cavity S5 is arranged on supplementary bearing assembly 6, there is following several respects advantage, the first, bent axle 3 design length can be avoided longer, ensure the rigidity of bent axle 3, improve the reliability of compressor 100; The second, the upside of high temperature and high pressure gas encirclement cylinder assembly 4, downside and outside can be avoided, reduce the heating to compression intracavity gas, avoid the problem causing indicated efficiency to decline; 3rd, under ensureing the prerequisite that exhaust cavity S5 volume is enough large, that can reduce compressor 100 tells oil mass, ensures the reliability of compressor 100.In addition, exhaust cavity S5 is arranged on the structure that supplementary bearing assembly 6 can simplify cylinder assembly 4, reduces cost of production.
In addition, preferably, cylinder assembly 4 can be formed with the suction port be connected with compression chamber, suction port is connected refrigerant is entered in compression chamber from suction port with liquid-storage container 7.Thus, avoid and suction port is arranged on main bearing assembly 5, thus reduce the problem that suction refrigerant is disabled heating substantially, thus can volumetric efficiency be improved, avoid compressor 100 refrigerating capacity to decline, ensure the reliable performance of compressor 100.
Further, with reference to Fig. 1, coolant distribution device 71 can also be provided with in housing 1, coolant distribution device 71 is divided into two-way for the refrigerant sucked by compressor 100, the housing 1 that one tunnel enters electric machine assembly 2 place is interior with between cooling motor, another road enters in compression chamber with one-tenth pressurized gas to be compressed, for the compressor 100 of low-pressure structure in housing 1, by easily by motor superheating before refrigerant sucks, cause cold on the low side, and the refrigerant that compressor 100 sucks is divided into two-way by coolant distribution dress, by controlling the flow proportional of two-way refrigerant, can under the condition meeting motor cooling requirement, heating sucks refrigerant as little as possible, realize the maximization of volumetric efficiency.
According to the rotary compressor 100 of the utility model embodiment, the main silencing cavity S1 and secondary silencing cavity S4 that communicate with each other are set respectively by the both sides at cylinder assembly 4, thus exhaust noise and exhaust resistance can be reduced, and by exhaust cavity S5 is arranged on supplementary bearing assembly 6, thus bent axle 3 design length can be avoided longer, ensure the rigidity of bent axle 3, improve the reliability of compressor 100, and avoid the upside that high temperature and high pressure gas surrounds cylinder assembly 4, downside and outside, reduce the heating to compression intracavity gas, avoid the problem causing indicated efficiency to decline, under the prerequisite that exhaust cavity S5 volume is enough large can being ensured simultaneously, that can reduce compressor 100 tells oil mass, ensure the reliability of compressor 100.In addition, the structure of cylinder assembly 4 can be simplified, reduce cost of production.
Describe the rotary compressor 100 according to the multiple embodiment of the utility model below with reference to Fig. 1-Fig. 3, wherein rotary compressor 100 is single cylinder rotary compressor 100.
As shown in Figure 1, master cylinder assembly 4 only comprises master cylinder 41, and main bearing assembly 5 comprises: main bearing 51 and main cover plate 52, and wherein main bearing 51 is located at the top of master cylinder assembly 4, main cover plate 52 is set on main bearing 51, limits main silencing cavity S1 between main bearing 51 and main cover plate 52.As shown in Figure 1, main bearing 51 can comprise connecting shaft portion 511 and support 512, wherein, connecting shaft portion 511 and support 512 are set on bent axle 3 respectively, and support 512 is between connecting shaft portion 511 and master cylinder 41, master cylinder 41 arranges between support 512 and supplementary bearing assembly 6, thus master cylinder 41, support 512 and supplementary bearing assembly 6 limit main compression chamber 41A jointly, main cover plate 52 can be positioned at the top of support 512 and be set in connecting shaft portion 511, thus can jointly limit main silencing cavity S1 between the lower end surface of main cover plate 52 and main bearing 51.Wherein, master cylinder 41 can be formed with the main suction port 41B be connected with liquid-storage container 7.
Such as in the example of fig. 1, the upper surface of main bearing 51 is formed with recessed main silencing groove downwards, that is, main silencing groove can form from the upper surface of support 512 is recessed downwards, main silencing cavity S1 is limited between main silencing groove and support 512, such as when the lower surface of main cover plate 52 to contact with the upper surface of support 512 connect time, the lower surface of main cover plate 52 can limit main silencing cavity S1 jointly with silencing groove.Thus, simplify manufacturing process, facilitate production and processing.
Certain the utility model is not limited thereto, the lower surface of main cover plate 52 can also be spaced apart with the upper surface of support 512, now, without the need to constructing main silencing groove on main bearing 51, between the lower surface of main cover plate 52 and the upper surface of support 512, main silencing cavity can be limited.As shown in Figure 3, main silencing cavity S1 can comprise multiple first main noise reduction section S11 and multiple second main noise reduction section S12, multiple second main noise reduction section S12 and multiple first main noise reduction section S11 interlaced arrangement successively on the flow direction of refrigerant, and the flow area of the first main noise reduction section S11 is less than the flow area of the second main noise reduction section S12.
Such as in the example of Fig. 2 and Fig. 3, main silencing cavity S1 can be configured to around the bent axle annular cavity of 3 one weeks, and the first main silencing cavity S1 can alternately be connected with the second main silencing cavity S1, and head and the tail are communicated with in turn, due to the flow area of the first main noise reduction section S11 and the second main noise reduction section S12 flow area not etc., thus the gas entered in main silencing cavity S1 is when flowing through the multiple first main noise reduction section S11 and multiple second main noise reduction section S12 be alternately connected in turn, can flow in a less receiving cavity from a larger receiving cavity, flow in a larger receiving cavity from a less receiving cavity again, and the rest may be inferred change repeatedly, thus by the change of circulation area, air-flow is made reflection to occur or interfere, the pressure pulsation of air-flow is made to become milder, thus the object reducing exhaust noise can be played.Wherein, the direction of arrow shown in Fig. 3 is the flow direction of refrigerant.
Further, main bearing 51 is formed with main vent 51A, the two ends of main vent 51A are communicated with main silencing cavity S1 with main compression chamber 41A respectively.As shown in Figure 1, the top of master cylinder 41 is formed with first row pore, first row pore is connected with main compression chamber 41A, first row air valve is provided with between first row pore and main vent 51A, first row air valve is for controlling being communicated with or closedown of first row pore and main vent 51A, main vent 51A is connected with main silencing cavity S1, when the gas pressure in main compression chamber 41A is larger, first row air valve can be opened, and the gas now in main compression chamber 41A can be flowed in main silencing cavity S1 by main vent 51A.
Preferably, the minimum flow area (circulation area at the such as first main noise reduction section S11 place) of main silencing cavity S1 is greater than the cross-section area of main vent 51A.Thus, effectively can reduce exhaust resistance, improve the performance of compressor 100.
Further, supplementary bearing assembly 6 can comprise: supplementary bearing 61, auxiliary coverplate 62 and baffler 63, and wherein supplementary bearing 61 is located at the bottom of master cylinder assembly 4, and auxiliary coverplate 62 is located at the bottom of supplementary bearing 61 and and limits receiving cavity between supplementary bearing 61.As shown in Figure 1, supplementary bearing 61 can be fixed on the side away from main bearing 51 of master cylinder 41, the bottom of the master cylinder 41 such as shown in Fig. 1, the lower end surface of supplementary bearing 61 can be formed with the annular receiving groove to being recessed on, auxiliary coverplate 62 is set on bent axle 3, and to be sealed by receiving groove on the lower end surface of the supplementary bearing 61 of capping, thus the upper-end surface of receiving groove and auxiliary coverplate 62 limits receiving cavity jointly.
Particularly, baffler 63 can be located in receiving cavity receiving cavity to be separated into secondary silencing cavity S4 and exhaust cavity S5, wherein limit secondary silencing cavity S4 between the inner circle wall of baffler 63 and supplementary bearing 61, that is, the part being positioned at baffler 63 of receiving cavity can be understood as secondary silencing cavity S4, limit exhaust cavity S5 between the periphery wall of baffler 63 and supplementary bearing 61, auxiliary coverplate 62, that is, the part be positioned at outside silencing cavity of receiving cavity can be understood as exhaust cavity S5.Wherein, " interior " can be understood as the direction towards bent axle 3 central axis, and its opposite direction is defined as " outward ", namely away from the direction of bent axle 3 central axis.Further, the perisporium of baffler 63 can be formed with intercommunicating pore 631, be connected with exhaust cavity S5 to make secondary silencing cavity S4.
Rotary compressor 100 can comprise further: communicating passage S2, and communicating passage S2 runs through master cylinder assembly 4, and the two ends of communicating passage S2 are communicated with secondary silencing cavity S4 with main silencing cavity S1 respectively.Such as in the example of fig. 1, communicating passage S2 can vertically extend, and communicating passage S2 can comprise coaxial in the vertical direction setting and the first passage section S21 communicated with each other, second channel section S22 and third channel section S23, wherein, main bearing 51 is formed with the first passage section S21 run through along the vertical direction, master cylinder 41 is formed with the second channel section S22 run through along the vertical direction, supplementary bearing 61 is formed with the third channel section S23 run through along the vertical direction, wherein, the upper end of first passage section S21 is connected with main silencing cavity S1, the lower end of first passage section S21 is connected with the upper end of second channel section S22, the lower end of second channel section S22 is connected with the upper end of third channel section S23, the lower end of third channel section S23 is connected with secondary silencing cavity S4.Thus, the refrigerant in main silencing cavity S1 can pass through communicating passage S2, such as, can sequentially pass through first passage section S21, second channel section S22 and third channel section S23 and flow in secondary silencing cavity S4.
In addition, it should be noted that, rotary compressor 100 can comprise multiple communicating passage S2 further, multiple communicating passage S2 can be spaced apart from each other, thus multiple first passage section S21 corresponding to multiple communicating passage S2 can be spaced apart from each other, such as in the example of fig. 3, main bearing 51 can be formed with two the first passage section S21 run through along the vertical direction.
Wherein, supplementary bearing assembly 6 is formed with exhaust hole, secondary silencing cavity S4 is communicated with main compression chamber 41A by exhaust hole.Such as in the example of fig. 1, exhaust hole can be formed on supplementary bearing 61, such as can run through supplementary bearing 61 along the vertical direction, the bottom of master cylinder 41 is formed with second row pore, second row pore is connected with main compression chamber 41A, second row air valve is provided with between second row pore and exhaust hole, second row air valve is for controlling being communicated with or closedown of second row pore and exhaust hole, exhaust hole is connected with secondary silencing cavity S4, when the gas pressure in main compression chamber 41A is larger, second row air valve can be opened, gas now in main compression chamber 41A can be flowed in secondary silencing cavity S4 by exhaust hole.
In a preferred embodiment of the present utility model, master cylinder 41 can have first row pore and second row pore simultaneously, thus structure double-exhaust structure, now, in master cylinder 41, the refrigerant of compression can flow in main silencing cavity S1 and secondary silencing cavity S4 respectively, the refrigerant flowed in main silencing cavity S1 can flow in secondary silencing cavity S4 by communicating passage S2, and mix with the refrigerant flowed directly in secondary silencing cavity S4, then can be entered in exhaust cavity S5 by intercommunicating pore 631, and discharge compressor 100 by outlet pipe 8 grade be connected with exhaust cavity S5.Thus, can simple and reliablely in housing 1 low pressure condition under realize the function of double-exhaust, thus reduce exhaust resistance, promote the performance of compressor 100.
Describe the rotary compressor according to the utility model embodiment below with reference to Fig. 4, wherein rotary compressor 100 is twin-tub rotation-type compressor 100A.The present embodiment is roughly the same with the structure of the single cylinder rotary compressor 100 of above-described embodiment, wherein identical parts adopt identical reference character, difference is only: in embodiment one, the cylinder assembly 4 of compressor 100 only comprises master cylinder 41, and the cylinder assembly 4 in the present embodiment comprises two cylinders and a dividing plate 43.
Particularly, two cylinders are arranged in the vertical direction, and dividing plate 43 is located between two cylinders, and each cylinder has compression chamber.As shown in Figure 4, two cylinders are the first cylinder 42 and the second cylinder 44 respectively, the lower end of bent axle 3 runs through main bearing 51, first cylinder 42, dividing plate 43, second cylinder 44 and supplementary bearing 61 in turn, wherein the first cylinder 42 is located between the bottom of main bearing 51 and the top of dividing plate 43, thus main bearing 51, first cylinder 42 and dividing plate 43 limit the first compression chamber 42A jointly, second cylinder 44 is located between the top of supplementary bearing 61 and the bottom of dividing plate 43, thus supplementary bearing 61, second cylinder 44 and dividing plate 43 limit the second compression chamber 44A jointly.
Further, with reference to Fig. 4, first cylinder 42 is formed with the first suction port 42B, first suction port 42B is communicated with liquid-storage container 7 with the first compression chamber 42A respectively, thus the refrigerant in liquid-storage container 7 can enter in the first compression chamber 42A by the first suction port 42B, wherein the second cylinder 44 is formed with the second suction port 44B, the second suction port 44B is communicated with liquid-storage container 7 with the second compression chamber 44A respectively, thus the refrigerant in liquid-storage container 7 can be entered in the second compression chamber 44A by the second suction port 44B.
As shown in Figure 4, first cylinder 42 is formed with the first gas discharge vent, first gas discharge vent is connected with main silencing cavity S1 with the first compression chamber 42A respectively, thus the refrigerant in the first compression chamber 42A can flow in main silencing cavity S1 by the first gas discharge vent, second cylinder 44 is formed with the second gas discharge vent, second gas discharge vent is connected with secondary silencing cavity S4 with the second compression chamber 44A respectively, thus the refrigerant in the second compression chamber 44A can be flowed in secondary silencing cavity S4 by the second gas discharge vent.
Refrigerant in main silencing cavity S1 can flow in secondary silencing cavity S4 by being communicated with subchannel S3, wherein, be communicated with subchannel S3 and can comprise coaxial in the vertical direction setting and the first subchannel section S31 communicated with each other, second subchannel section S32 and the 3rd subchannel section S33, wherein, first cylinder 42 is formed with the first subchannel section S31 run through along the vertical direction, dividing plate 43 is formed with the second subchannel section S32 run through along the vertical direction, second cylinder 44 is formed with the 3rd subchannel section S33 run through along the vertical direction, wherein, the upper end of the first subchannel section S31 is connected with main silencing cavity S1, the lower end of the first subchannel section S31 is connected with the upper end of the second subchannel section S32, the lower end of the second subchannel section S32 is connected with the upper end of the 3rd subchannel section S33, the lower end of the 3rd subchannel section S33 is connected with secondary silencing cavity S4.Thus, the refrigerant in main silencing cavity S1 can sequentially pass through the first subchannel section S31, the second subchannel section S32 and the 3rd subchannel section S33 and flow in secondary silencing cavity S4.
Like this, twin-tub rotation-type compressor 100A is configured to double-exhaust structure, now, in first cylinder 42, the refrigerant of compression can flow in main silencing cavity S1, in second cylinder 44, the refrigerant of compression can flow in secondary silencing cavity S4, flow into refrigerant in main silencing cavity S1 to flow in secondary silencing cavity S4 by being communicated with subchannel S3, and with mix from the second cylinder 44 refrigerant flowed directly in secondary silencing cavity S4 after enter in exhaust cavity S5, and the discharge such as outlet pipe 8 grade by being connected with exhaust cavity S5.Thus, can simple and reliablely in housing 1 low pressure condition under realize the function of double-exhaust, thus reduce exhaust resistance, promote the performance of twin-tub rotation-type compressor 100A.
In description of the present utility model, it will be appreciated that, term " on ", D score, " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint 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 (10)
1. a rotary compressor, is characterized in that, comprising:
Cylinder assembly, described cylinder assembly comprises cylinder, and described cylinder has compression chamber;
Main bearing assembly, described main bearing assembly is located at the top of described cylinder assembly, described main bearing assembly is formed with the main silencing cavity be communicated with described compression chamber; And
Supplementary bearing assembly, described supplementary bearing assembly is located at the bottom of described cylinder assembly, and described supplementary bearing assembly is formed with secondary silencing cavity and exhaust cavity, and described secondary silencing cavity is communicated with described main silencing cavity, and described exhaust cavity is communicated with described secondary silencing cavity.
2. rotary compressor according to claim 1, is characterized in that, described supplementary bearing assembly is formed with exhaust hole, and described secondary silencing cavity is communicated with described compression chamber by described exhaust hole.
3. rotary compressor according to claim 1, is characterized in that, described main bearing assembly comprises:
Main bearing, wherein said main bearing is located at the top of described cylinder assembly; With
Main cover plate, described main cover plate is set on described main bearing, limits described main silencing cavity between described main bearing and described main cover plate.
4. rotary compressor according to claim 3, is characterized in that, the upper surface of described main bearing is formed with recessed main silencing groove downwards, limits described main silencing cavity between described main silencing groove and described main cover plate.
5. rotary compressor according to claim 3, it is characterized in that, described main silencing cavity comprises multiple first main noise reduction section and multiple second main noise reduction section, described multiple second main noise reduction section and described multiple first main noise reduction section interlaced arrangement successively on the flow direction of refrigerant, and the flow area of described first main noise reduction section is less than the flow area of described second main noise reduction section.
6. rotary compressor according to claim 1, is characterized in that, described main bearing is formed with main vent, and the two ends of described main vent are communicated with described main silencing cavity with described compression chamber respectively,
The minimum flow area of described main silencing cavity is greater than the cross-section area of described main vent.
7. rotary compressor according to claim 1, is characterized in that, comprises further:
Communicating passage, described communicating passage runs through described cylinder assembly, and the two ends of described communicating passage are communicated with described secondary silencing cavity with described main silencing cavity respectively.
8. rotary compressor according to claim 7, is characterized in that, described communicating passage vertically extends.
9. rotary compressor according to claim 1, is characterized in that, described supplementary bearing assembly comprises:
Supplementary bearing, wherein said supplementary bearing is located at the bottom of described cylinder assembly;
Auxiliary coverplate, described auxiliary coverplate be located at described supplementary bearing bottom and and limit receiving cavity between described supplementary bearing;
Baffler, described baffler is located in described receiving cavity, limits described secondary silencing cavity between the inner circle wall of wherein said baffler and described supplementary bearing, limits described exhaust cavity between the periphery wall of described baffler and described supplementary bearing, described auxiliary coverplate.
10. the rotary compressor according to any one of claim 1-9, is characterized in that, described cylinder assembly comprises two the described cylinders arranged in the vertical direction, and be provided with dividing plate between described two cylinders, each described cylinder has described compression chamber.
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| CN201420604302.5U CN204239256U (en) | 2014-10-17 | 2014-10-17 | Rotary compressor |
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| CN201420604302.5U CN204239256U (en) | 2014-10-17 | 2014-10-17 | Rotary compressor |
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| CN204239256U true CN204239256U (en) | 2015-04-01 |
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| CN (1) | CN204239256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617222A (en) * | 2019-10-21 | 2019-12-27 | 西安交通大学 | Horizontal rotary compressor for electric automobile air conditioner and working method |
| CN115038874A (en) * | 2020-02-10 | 2022-09-09 | 大金工业株式会社 | Compressor |
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2014
- 2014-10-17 CN CN201420604302.5U patent/CN204239256U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617222A (en) * | 2019-10-21 | 2019-12-27 | 西安交通大学 | Horizontal rotary compressor for electric automobile air conditioner and working method |
| CN110617222B (en) * | 2019-10-21 | 2023-10-24 | 西安交通大学 | Horizontal rotary compressor for electric automobile air conditioner and working method |
| CN115038874A (en) * | 2020-02-10 | 2022-09-09 | 大金工业株式会社 | Compressor |
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