CN207363877U - Compressor - Google Patents

Abstract

The utility model discloses a kind of compressor, the compressor includes compressor housing, cylinder part, and compressor housing includes：Connected multistage vertically, and in multistage at least one section in the radially corresponding with cylinder part of compressor housing and form cylinder reducer, cylinder part includes cylinder part body and thickening part, thickening part protrusion is arranged on the outer circumferential surface of cylinder part body, cylinder part has slide plate component groove, a part for slide plate component groove is opened on cylinder part body and another part is opened on thickening part, at least a portion of the inner peripheral surface of cylinder reducer is recessed to the direction away from compressor central axes to form recess, and recess is used at least a portion for accommodating thickening part.Compressor according to the present utility model, can effectively increase displacement volume, so as to meet that bigger ability uses needs.

Description

Compressor

Technical field

Compressor Technology field is the utility model is related to, in particular to a kind of compressor.

Background technology

The existing general shell structure of rotary compressor is all same footpath shell structure, that is, pump housing end housing diameter and electricity Machine or bearing section diameter of the housing are identical, and the pump housing end housing center of circle and motor or the bearing piece housing center of circle are concentric.Using With one heart, the housing processing and assembling with footpath are all relatively easy, but this housing is difficult to meet some high-performance compressors, thus There are room for improvement.

Utility model content

The utility model is intended at least solve one of technical problem existing in the prior art.For this reason, the utility model carries Go out a kind of compressor, the housing of the compressor uses variable-diameter structure, so as to be carried out as needed to different sections of shell structure Design.

Compressor housing, cylinder part are included according to the compressor of the utility model embodiment, the compressor housing includes： Along the axially connected multistage, and in the multistage at least one section the compressor housing radially with the cylinder part Correspond to and form cylinder reducer, the cylinder part includes cylinder part body and thickening part, and the thickening part protrusion is arranged on institute On the outer circumferential surface for stating cylinder part body, the cylinder part has slide plate component groove, and a part for the slide plate component groove is opened in On the cylinder part body and another part is opened on the thickening part, at least one of the inner peripheral surface of the cylinder reducer Divide and be recessed to the direction away from compressor central axes to form recess, the recess is used for accommodate the thickening part at least one Point.

Compressor according to the present utility model, by the way that compressor housing to be configured to multisection type shell structure in the axial direction, At least one section of internal diameter size at the same time in multistage is different from other one section of internal diameter size, so as to not increase cylinder height, no Increase displacement volume on the basis of increase motor or bearing section housing outer diameter, and then meet that bigger ability uses needs.

According to the compressor of the utility model one embodiment, the inner peripheral surface of the cylinder reducer is integrally recessed to be formed The recess of circular ring type.

Alternatively, the center of circle of the cylinder reducer is overlapped with the inner circle center of circle of the cylinder part；Or the cylinder becomes The inner circle center of circle bias of the relatively described cylinder part in the center of circle of footpath section staggers.

According to the compressor of the utility model one embodiment, a part for the inner peripheral surface of the cylinder reducer is circumference Face and another part are recessed to form the recess of partial style.

Alternatively, a part of center of circle of the cylinder reducer is overlapped with the inner circle center of circle of the cylinder part；Or Stagger with the inner circle center of circle bias of the cylinder part in a part of center of circle of cylinder reducer described in person.

Further, a part of corresponding center of circle angle of the cylinder reducer is corresponded to more than described another part Center of circle angle.

According to the compressor of the utility model one embodiment, other one section in the multistage radially corresponds to described The base bearing of the compressor and/or described in the driving motor for radially corresponding to the compressor, the multistage At least one section of internal diameter size is different from described other one section of internal diameter size.

Further, the compressor housing includes：Along the first segment being axially connected, second segment and the 3rd section, institute First segment is stated to be configured to correspond to the base bearing, the second segment and the 3rd section of be configured to correspond to the compressor two Cylinder part, and the second segment is configured to the cylinder reducer.

Alternatively, the internal diameter size of the first segment is more than the internal diameter size of the second segment, the internal diameter of the second segment Size is more than described 3rd section of internal diameter size.

Alternatively, the axial dimension of the first segment is less than the axial dimension of the second segment, the axial direction of the second segment Size is less than described 3rd section of axial dimension.

Further, one end of described 3rd section of the remote first segment is closed by end cap.

Alternatively, the compressor housing includes：It is described along the first segment being axially connected, second segment and the 3rd section First segment is configured to correspond to the base bearing and the driving motor, and the second segment and described 3rd section are configured to described in correspondence Two cylinder parts of compressor, the second segment and described 3rd section are configured to the cylinder reducer.

Alternatively, the internal diameter size of the first segment is less than the internal diameter size of the second segment, the internal diameter of the second segment Size is less than described 3rd section of internal diameter size.

Further, remote described 3rd section of open at one end of the first segment, remote described the of described 3rd section One section of open at one end.

According to the compressor of the utility model one embodiment, the compressor has：High Pressure Shell and low-pressure shell, institute State and opened between High Pressure Shell and the low-pressure shell by high-low pressure divides, compressor is provided with the High Pressure Shell Structure, the compression mechanism include：Two cylinder parts, supplementary bearing, base bearing and bent axle, the base bearing wear the high-low pressure point Partition plate, one end that the bent axle wears the base bearing and the bent axle extend into the low-pressure shell and with the low pressure Driving motor in housing is connected；Wherein described High Pressure Shell is the compressor housing.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description In become obvious, or recognized by the practice of the utility model.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 is according to a kind of profile of the compressor housing of embodiment of the utility model；

Fig. 2 is the profile according to the compressor housing of another embodiment of the utility model；

Fig. 3 is the profile according to the compressor housing of the utility model another embodiment；

Fig. 4 is the assembling section of the compressor housing in Fig. 1；

Fig. 5 is the assembling section of the compressor housing in Fig. 2；

Fig. 6 is the assembling section of the compressor housing in Fig. 3；

Fig. 7 is the assembling sectional view of the compressor housing in Fig. 1；

Fig. 8 is the assembling sectional view of the compressor housing in Fig. 2；

Fig. 9 is the assembling sectional view of the compressor housing in Fig. 3；

Figure 10 is the sectional view according to the cylinder part of the utility model embodiment.

Reference numeral：

Compressor housing 100, first segment 1, second segment 2, recess 21, the 3rd section 3, end cap 31, base bearing 4, drives motor 5, cylinder part 6, the first cylinder part 61, the second cylinder part 62, is vented demarcation strip 63, sealing plate 64, cylinder part body 65, thickening part 66, slide plate component groove 67, slide plate 68, resetting spring 69, High Pressure Shell 71, low-pressure shell 72, high-low pressure demarcation strip 73, supplementary bearing 8, bent axle 9.

Embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model Limitation.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axial direction ", " footpath To ", the orientation of the instruction such as " circumferential direction " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, define " first ", " One or more this feature can be expressed or be implicitly included to two " feature.In the description of the utility model, unless It is otherwise noted, " multiple " are meant that two or more.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Compressor below with reference to Fig. 1-Figure 10 descriptions according to the utility model embodiment.The pressure of the utility model embodiment Contracting casing body 100 can be used for rotary compressor, and rotary compressor is that direct drive rotary-piston rotates, to complete Compression to refrigerant vapour.

As shown in figs 1 to 6, compressor housing 100 and cylinder can be included according to the compressor of the utility model embodiment Portion 6 (such as the first cylinder part 61 and the second cylinder part 62), the axial structure of wherein compressor housing 100 along the housing is multisection type Shell structure.Further, compressor housing 100 includes：Connected multistage vertically, wherein, at least one section in multistage is (such as 3) second segment 2 and the 3rd section in the radially corresponding with cylinder part 6 of compressor housing 100 and form cylinder reducer.

Cylinder part 6 can include cylinder part body 65 and thickening part 66, and the protrusion of thickening part 66 is arranged on cylinder part body 65 Outer circumferential surface on, and be connected with 65 rounding off of cylinder part body, further, cylinder part 6 can have slide plate component groove 67, A part for slide plate component groove 67 is opened on cylinder part body 65 and another part is opened on thickening part 66, and is opened in gas Slide plate component groove 67 on cylinder portion body 65 is connected with the slide plate component groove 67 being opened on thickening part 66, further, sliding 68 component of piece can include slide plate 68 and resetting spring 69, and one end of slide plate 68 is resisted against on the outer circumferential surface of bent axle, the other end with Resetting spring 69 is connected.Alternatively, slide plate component groove 67 can include two sections, wherein one section is arranged on thickening part 66, it is another Section be arranged in cylinder body portion, and the width of one be arranged on thickening part 66 section slide plate component groove 67 can be more than be arranged on The width of slide plate component groove 67 in cylinder body portion, resetting spring 69 are located in the larger slide plate component groove 67 of width, slide plate 68 in the less slide plate component groove 67 of width, can so make the compact in design of cylinder part 6, connection and reasonable arrangement.

At least a portion of the inner peripheral surface of cylinder reducer is recessed to form recess to the direction away from compressor central axes, Recess is used to accommodating at least a portion of thickening part 66, and the recess on such cylinder reducer coordinates with thickening part 66, can be not Under conditions of increasing compression case body thickness, meet discharge capacity and the output torque requirement of compressor.

According to the compressor of the utility model embodiment, by the way that compressor housing 100 is configured to multisection type in the axial direction Shell structure, while at least one section in multistage is cylinder reducer, to coordinate cylinder part body 65 and thickening part 66, so as to Do not increasing cylinder height, do not increasing and increase displacement volume on the basis of motor 5 or bearing section housing outer diameter, and then meet bigger ability Use needs.

As shown in figures 7 and 9, the inner peripheral surface of cylinder reducer can integrally be recessed to form the recess of circular ring type, so On the basis of ensureing that thickening part 66 can be contained in recess, the processing technology of cylinder reducer can be simplified, shaping is simple, raw It is low to produce cost.

Further, as shown in fig. 7, the center of circle of cylinder reducer can be overlapped with the inner circle center of circle of cylinder part 6, Huo Zheqi The center of circle of cylinder reducer is staggered a distance with respect to the inner circle center of circle bias of cylinder part 6, is so suitable for the design of 6 discharge capacity of cylinder part Demand.

In further embodiments, a part for the inner peripheral surface of cylinder reducer is periphery and another part depression is with shape Into local recess, specifically, as shown in figure 8, cylinder reducer is configured to justify with 65 corresponding part of cylinder part body Side face, cylinder reducer are configured to recess with the 66 corresponding part of thickening part of cylinder part 6, and thus, local recess is with adding Thick portion 66 coordinates, to meet the discharge capacity of compressor and output torque requirement., can minimum degree meanwhile recess configuration is partial style Ground reduces the thickness of compressor housing, need to only reduce the thickness with 66 corresponding housing of thickening part, so as to improve compressor Bearing capacity, increases the intensity of compressor.

Similarly, the center of circle of a part for cylinder reducer can be overlapped with the inner circle center of circle of cylinder part 6；Or cylinder becomes The center of circle of a part of footpath section can stagger with the inner circle center of circle bias of cylinder part 6, that is to say, that the construction of cylinder reducer is The center of circle of the part of periphery can be overlapped with the inner circle center of circle of cylinder part 6, can also be eccentric wrong with the inner circle center of circle of cylinder part 6 A distance is opened, as shown in figure 8, the construction of cylinder reducer can be with the inner circle of cylinder part 6 for the center of circle of the part of periphery The center of circle overlaps, and can so simplify processing technology, reduces production cost.

Further, a part of corresponding center of circle angle of cylinder reducer can be more than the corresponding central angle of another part Degree, as shown in figure 8, the corresponding central angle in part that cylinder reducer is configured to periphery can be more than 180 °, is configured to recess The corresponding central angle in part be less than 180 °.

Other one section (such as first segment 1) in multistage diametrically corresponds to the base bearing 4 of compressor and/or diametrically right The driving motor 5 of compressor is answered, in other words, the other one section base bearing 4 that can diametrically correspond to compressor in multistage, The driving motor 5 of compressor, or the other one section base bearing 4 for diametrically corresponding to compressor in multistage and drive can be corresponded to Dynamic motor 5.Explanation is needed exist for, base bearing 4 is the bearing of 5 side of driving motor towards compressor, and it is bent to play supporting The effect of axis 9.

It is corresponding with cylinder part 6 meanwhile at least one section of internal diameter size in multistage is different from other one section of internal diameter size Can be one or more snippets, one or more snippets the internal diameter size can it is identical, can not also be same, it is and corresponding with cylinder part 6 At least one end internal diameter size be from base bearing 4 and/or drive corresponding another section of motor 5 internal diameter it is different, such root One or more snippets internal diameter size corresponding with cylinder part 6 can be changed according to the capacity of compressor, according to driving compression mechanism Required moment of torsion, rotating speed etc. can change with base bearing 4 or drive the internal diameter size of corresponding another section of motor 5.

Such as when capacity need not be made larger, the internal diameter size with 6 corresponding shell section of cylinder part can be reduced, Thus material is not only saved, mitigates weight, reduce cost using relatively small internal diameter size, while volume can also be reduced, dropped Low arrangement difficulty.

And for example when capacity needs to be made larger, it can suitably increase the internal diameter ruler with 6 corresponding shell section of cylinder part Very little, so local evagination can not only increase the integral strength of housing, while other parts can still use routine or original size, Realize local increasing, so can equally save material, mitigate weight, reduce cost.

Similarly, for driving motor 5, the housing of suitable size can be matched according to required torque Section, its principle is similar with the shell section dimensioning principles of above-mentioned corresponding cylinder part 6, and which is not described herein again.

In short, using above-mentioned design method, can according to the structure snd size for needing to design each section of different components, from And motor 5 or the unreasonable influence motor 5 of bearing section shell dimension or bearing output torque are solved, or 6 shell dimension of cylinder part It is unreasonable and limit compressor displacement design the problem of.

As shown in Figure 1, housing can include：Connected three sections, i.e. first segment 1, second segment 2 and the 3rd section 3 vertically, its In, first segment 1 is configured to corresponding base bearing 4, i.e. first segment 1 can diametrically correspond to the base bearing 4 of compressor, second segment 2 With the 3rd section of 3 two cylinder parts 6 for being configured to corresponding compressor, i.e. second segment 2 and the 3rd section 3 can diametrically correspond to compression Two cylinder parts 6 of machine, further, as shown in figure 4, second segment 2 can diametrically correspond to the first cylinder part of compressor 61, the 3rd section of 3 the second cylinder part 62 that can diametrically correspond to compressor, and the first cylinder part 61 and the second cylinder part 62 it Between can be provided with exhaust demarcation strip 63 and sealing plate 64, so as to play the role of exhaust and sealing.

Further, as shown in Figure 1, the internal diameter size of first segment 1 be more than second segment 2 internal diameter size, second segment 2 it is interior Footpath size is more than the 3rd section 3 of internal diameter size, and base bearing 4, the can be preferably matched using this stepped arrangement One cylinder part 61 and the second cylinder part 62.

Meanwhile first segment 1, second segment 2 and the 3rd section 3 are coaxially arranged, i.e., in first segment 1, second segment 2 and the 3rd section 3 The heart is located along the same line, that is to say, that the internal diameter size that base bearing 4 corresponds to section is more than the internal diameter that the first cylinder part 61 corresponds to section Size, the internal diameter size that the first cylinder part 61 corresponds to section are more than the internal diameter size that the second cylinder part 62 corresponds to section, so, it is ensured that Base bearing 4 exports larger moment of torsion, so that meet larger energy demand, meanwhile, two cylinder parts 6 correspond to the internal diameter size of section not Together, can meet the needs of difference cylinder discharge capacity (such as the discharge capacity of the first cylinder part 61 is more than the discharge capacity of the second cylinder part 62).

Further, as shown in Figure 1, the axial dimension of first segment 1 is less than the axial dimension of second segment 2, the axis of second segment 2 It is less than the 3rd section 3 of axial dimension to size, so that first segment 1, second segment 2 and the 3rd section 3 match base bearing 4, the respectively One cylinder part 61 and the second cylinder part 62, and compact in design, parts connection and reasonable arrangement.

Further, as depicted in figs. 1 and 2, one end (left side i.e. shown in Fig. 1 of the 3rd section 3 of remote first segment 1 End) it can be closed by end cap 31, thus prevent oil leak.

In another embodiment, as shown in Fig. 2, the internal diameter size of first segment 1 can be more than the internal diameter ruler of second segment 2 Very little, the internal diameter size of second segment 2 can be equal with the 3rd section 3 of internal diameter size, and the internal diameter size that base bearing 4 corresponds to section is maximum, So, it is ensured that base bearing 4 exports larger moment of torsion, so as to meet larger energy demand.

The internal diameter size that first cylinder part 61 corresponds to section is equal to the internal diameter size that the second cylinder part 62 corresponds to section, and second segment Recess 21 is provided with the inner peripheral surface of 2 (i.e. the first cylinder part 61 corresponds to section), recess 21 coordinates with thickening part 66, i.e. the first cylinder The shell structure that portion 61 corresponds to section is configured to Q type structures, in this way, the compact in design of compressor housing 100 can be made, while recess 21 setting increases the outside diameter of second segment 2, so as to be conducive to increase the discharge capacity of the second cylinder part 62.

In the third embodiment, as shown in figure 3, housing can include：Connected first segment 1,2 and of second segment vertically 3rd section 3, first segment 1 is configured to corresponding base bearing 4 and drives motor 5, and second segment 2 and the 3rd section 3 are configured to corresponding compressor Two cylinder parts 6, and second segment 2 and the 3rd section 3 are configured to above-mentioned cylinder reducer.That is, first segment 1 can be diametrically right The base bearing 4 and driving motor 5 of compressor, second segment 2 and the 3rd section of 3 two cylinder parts 6 for being configured to corresponding compressor are answered, i.e., Second segment 2 and the 3rd section of 3 two cylinder parts 6 that can diametrically correspond to compressor, further, as shown in fig. 6, second segment 2 can diametrically correspond to the first cylinder part 61 of compressor, the 3rd section of 3 the second cylinder that can diametrically correspond to compressor Portion 62, and can be separated between the first cylinder part 61 and the second cylinder part 62 by demarcation strip.

Further, as shown in figure 3, the internal diameter size of first segment 1 be less than second segment 2 internal diameter size, second segment 2 it is interior Footpath size is less than the 3rd section 3 of internal diameter size, that is to say, that the internal diameter size that base bearing 4 and driving motor 5 correspond to section is less than the One cylinder part 61 corresponds to the internal diameter size of section, and the internal diameter size that the first cylinder part 61 corresponds to section is less than the second cylinder part 62 correspondence section Internal diameter size, in this way, can be under conditions of base bearing 4 and driving motor 5 output torque requirement be met, the row that increases cylinder Amount, realizes that cylinder huge discharge designs, meanwhile, the internal diameter size that two cylinder parts 6 correspond to section is different, can meet difference cylinder discharge capacity Demand (such as the discharge capacity of the second cylinder part 62 is more than the discharge capacity of the first cylinder part 61).

Further, first segment 1 is unlimited away from the 3rd section 3 one end (right end i.e. shown in Fig. 3), the 3rd section 3 One end (left end i.e. shown in Fig. 3) away from first segment 1 is opened wide, and the axial dimension of first segment 1 is maximum, so as to meet main shaft Hold the installation requirements of 4 and driving motor 5.

In conclusion according to the utility model embodiment by the way that compressor housing 100 is configured to multistage in the axial direction Sandwich type element structure, and need to adjust it according to displacement volume, motor 5 or 4 moment of torsion of base bearing and correspond to the internal diameter ruler of different housings section It is very little, so as to fulfill huge discharge design or large torque design.

Further, as shown in Figure 4 and Figure 5, compressor housing 100 may further include：High Pressure Shell 71 and low pressure Housing 72, can be separated between High Pressure Shell 71 and low-pressure shell 72 by high-low pressure demarcation strip 73 so that low-pressure chamber and High-pressure chamber separates.

High Pressure Shell 71 can be above-mentioned compressor housing 100, further, pressure can be provided with High Pressure Shell 71 Contracting mechanism, compression mechanism can include：Two cylinder parts 6 (the first i.e. above-mentioned cylinder part 61 and the second cylinder part 62), countershafts Hold 8, base bearing 4 and bent axle 9, wherein base bearing 4 wears high-low pressure demarcation strip 73, and bent axle 9 wears base bearing 4 and bent axle 9 One end (right end i.e. shown in Fig. 4) extend into low-pressure shell 72 and is connected with the driving motor 5 in low-pressure shell 72, bent axle 9 other end (left end i.e. shown in Fig. 4) extend into low-pressure shell 72 and with 5 phase of driving motor in low-pressure shell 72 Even, and bent axle 9 is supported by supplementary bearing 8.

Thus, compressor with above-mentioned compressor housing 100 also with structure optimization, can realize huge discharge or big turn round The advantages that square designs.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can combine in an appropriate manner in any one or more embodiments or example.

While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that： These embodiments can be carried out with a variety of changes, modification in the case where not departing from the principle and objective of the utility model, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (15)

1. a kind of compressor, it is characterised in that including compressor housing, cylinder part, the compressor housing includes：Phase vertically Multistage even, and in the multistage at least one section in the radially corresponding with the cylinder part of the compressor housing and form gas Cylinder reducer, the cylinder part include cylinder part body and thickening part, and the thickening part protrusion is arranged on the cylinder part body Outer circumferential surface on, the cylinder part has slide plate component groove, and a part for the slide plate component groove is opened in the cylinder part sheet On body and another part is opened on the thickening part, and at least a portion of the inner peripheral surface of the cylinder reducer is to away from compression The direction of machine central axes is recessed to form recess, and the recess is used at least a portion for accommodating the thickening part.

2. compressor according to claim 1, it is characterised in that the inner peripheral surface of the cylinder reducer is integrally recessed with shape Into the recess of circular ring type.

3. compressor according to claim 2, it is characterised in that the center of circle of the cylinder reducer and the cylinder part The inner circle center of circle overlaps；Or the inner circle center of circle bias of the relatively described cylinder part in the center of circle of the cylinder reducer staggers.

4. compressor according to claim 1 a, it is characterised in that part for the inner peripheral surface of the cylinder reducer is circle Side face and another part are recessed to form the recess of partial style.

5. compressor according to claim 4, it is characterised in that a part of center of circle of the cylinder reducer with The inner circle center of circle of the cylinder part overlaps；Or a part of center of circle of the cylinder reducer and the cylinder part is interior Round heart bias staggers.

6. compressor according to claim 4, it is characterised in that a part of corresponding circle of the cylinder reducer Heart angle is more than the corresponding center of circle angle of described another part.

7. compressor according to claim 1, it is characterised in that other one section in the multistage is described radially right Answer the base bearing of the compressor and/or the institute in the driving motor for radially corresponding to the compressor, the multistage It is different from described other one section of internal diameter size to state at least one section of internal diameter size.

8. compressor according to claim 7, it is characterised in that the compressor housing includes：It is connected along the axial direction First segment, second segment and the 3rd section, the first segment is configured to correspond to the base bearing, the second segment and 3rd section described It is configured to correspond to two cylinder parts of the compressor, and the second segment is configured to the cylinder reducer.

9. compressor according to claim 8, it is characterised in that the internal diameter size of the first segment is more than the second segment Internal diameter size, the internal diameter size of the second segment is more than described 3rd section of internal diameter size.

10. compressor according to claim 8, it is characterised in that the axial dimension of the first segment is less than described second The axial dimension of section, the axial dimension of the second segment are less than described 3rd section of axial dimension.

11. compressor according to claim 8, it is characterised in that one end of described 3rd section of the remote first segment Closed by end cap.

12. compressor according to claim 7, it is characterised in that the compressor housing includes：It is connected along the axial direction First segment, second segment and the 3rd section, the first segment is configured to correspond to the base bearing and the driving motor, described second Section and described 3rd section two cylinder parts for being configured to correspond to the compressor, the second segment and described 3rd section are configured to institute State cylinder reducer.

13. compressor according to claim 12, it is characterised in that the internal diameter size of the first segment is less than described second The internal diameter size of section, the internal diameter size of the second segment are less than described 3rd section of internal diameter size.

14. compressor according to claim 12, it is characterised in that remote described 3rd section one end of the first segment Open wide, the open at one end of described 3rd section of the remote first segment.

15. compressor according to claim 1, it is characterised in that the compressor has：

High Pressure Shell and low-pressure shell, are opened between the High Pressure Shell and the low-pressure shell by high-low pressure divides, institute State and compression mechanism is provided with High Pressure Shell, the compression mechanism includes：Two cylinder parts, supplementary bearing, base bearing and bent axle, institute State base bearing and wear the high-low pressure demarcation strip, the bent axle wears the base bearing and one end of the bent axle extend into institute State in low-pressure shell and be connected with the driving motor in the low-pressure shell；Wherein described High Pressure Shell is the compression case Body.