CN106122018A - Compressor - Google Patents

Abstract

The invention discloses a kind of compressor, including: main casing, end housing and compression mechanism, end housing is welded to connect the end to main casing；Compressing in mechanism is located at main casing and adjacent end housing, compression mechanism includes connector, and the outer peripheral face of connector coordinates with the inwall of main casing, and the outer peripheral face of connector is provided with escape groove, the end face of one end of the adjacent end housing of escape groove through-connections.Compressor according to the present invention, effectively reduce the contact area of main casing and connector, the region avoided after main casing deforms when end housing is welded on main casing in addition to solder joint produces with compression mechanism and contacts, thus efficiently reduce the deformation of compression mechanism, improve the quality of fit between each parts of compression mechanism, and then improve the Performance And Reliability of compressor.

Description

Compressor

Technical field

The present invention relates to Compressor Technology field, especially relate to a kind of compressor.

Background technology

In correlation technique, compressor such as rotary compressor is closed structure, uses welding during assembling in a large number Using boxing between technique, such as main casing and end housing, it is first-class that compression mechanism generally uses three spot welding to be fixed on main casing, Solder joint or weld seam local are due to experience pyroprocess, and main casing is easily deformed by welding heat affected, and further results in compressor Structure deforms, thus compressor reliability and performance are produced harmful effect.

Additionally, generally use matched in clearance between the outer peripheral face of connector and the inwall of main casing, for reducing compression mechanism Deformation, some producers increase the fit clearance between the outer peripheral face of connector and the inwall of main casing, but, due to install Error and compression mechanism are by the welding heat affected reason such as deform, before end housing welds with main casing, outside connector Between side face and the inwall of main casing, the region in addition to solder joint often comes in contact, thus is degrading end housing further The deformation of mechanism is compressed during welding.Therefore, the fit clearance between simple outer peripheral face and the inwall of main casing increasing connector, The problem on deformation of compression mechanism during the case weld of end cannot be solved, and between the outer peripheral face of connector and the inwall of main casing The increase of fit clearance is also possible to reduce the welding quality of connector, and affects the rotor gap of the motor of compressor.

Summary of the invention

It is contemplated that at least solve one of technical problem present in prior art.To this end, one object of the present invention Being to propose a kind of compressor, the compression deformation of this compressor is little, and reliability is high.

According to the compressor of the present invention, including: main casing；End housing, described end housing is welded to connect to described master The end of housing；Compression mechanism, in described compression mechanism is located at described main casing and neighbouring described end housing, described compressor Structure includes that connector, the outer peripheral face of described connector coordinate with the inwall of described main casing, and the outer peripheral face of described connector sets Escape groove, described escape groove is had to run through the end face of one end of neighbouring described end housing of described connector.

According to the compressor of the present invention, by arranging escape groove on the outer peripheral face of connector, connector can ensured On the basis of the connection reliability of main casing, effectively reduce the contact area of main casing and connector, it is to avoid end shell When body welds on a main housing, after main casing deformation, the region in addition to solder joint contacts with compressing mechanism's generation, thus effectively reduces The deformation of compression mechanism, improves the quality of fit between each parts of compression mechanism, so improve compressor performance and Reliability.

It addition, can also have the technical characteristic added as follows according to the compressor of the present invention:

According to some embodiments of the present invention, described escape groove is to dodge along the circumferentially extending annular of described connector Groove.

Alternatively, the outer peripheral face of described escape groove is formed as cylindrical or truncated cone-shaped.

According to other embodiments of the present invention, described escape groove includes the circumferentially-spaced of the outer peripheral face along described connector Many the sub-escape groove arranged.

Specifically, described escape groove height in the axial direction of described main casing is H, and described H meets: H >=2mm.

Alternatively, the spacing between one end and the inwall of described main casing of the neighbouring described end housing of described escape groove Meet for A, described A: A >=0.02mm.

Specifically, described compression mechanism includes base bearing, supplementary bearing, is located between described base bearing and described supplementary bearing Cylinder assembly, described connector is at least one in described base bearing, described supplementary bearing and described cylinder assembly.

Alternatively, described connector is welded on described main casing.

According to some embodiments of the present invention, described compressor is single cylinder compressor or multicylinder compressor.

The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the present invention.

Accompanying drawing explanation

Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:

Fig. 1 is the structural representation of compressor according to embodiments of the present invention；

Fig. 2 is the structural representation of compressor in accordance with another embodiment of the present invention

Fig. 3 is the assembling schematic diagram of main casing according to embodiments of the present invention and connector, and wherein, connector is cylinder；

Fig. 4 is the assembling schematic diagram of main casing and connector in accordance with another embodiment of the present invention, and wherein, connector is Cylinder；

Fig. 5 is the structural representation of connector according to embodiments of the present invention, and wherein, connector is cylinder.

Reference:

Compressor 100,

Main casing 1,

End housing 2,

Compression mechanism 3, base bearing 31, supplementary bearing 32, cylinder assembly 33, cylinder 331, escape groove 3311, sub-escape groove 3312, dividing plate 332, bent axle 34, deafener 35, screw 36, solder joint 37,

Rotor 4.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", the instruction such as " circumferential " Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not understood that For indicating or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", The feature of " second " can express or implicitly include one or more this feature.

In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition Concrete meaning in invention.

Below with reference to Fig. 1-Fig. 5, compressor 100 according to embodiments of the present invention is described.Wherein, compressor 100 can be rotation Rotary compressor, but it is not limited to this.

As it is shown in figure 1, compressor 100 according to embodiments of the present invention, including main casing 1, end housing 2 and compression mechanism 3。

Alternatively, compressor 100 can be vertical compressor.Certainly, those skilled in the art are appreciated that compression Machine 100 can also be horizontal compressor (not shown).Here, it should be noted that " vertical compressor " can be understood as pressure The central axis upright of the cylinder 331 of the compression mechanism 3 of contracting machine 100 is in the compressor 100 of the installed surface of compressor 100, such as, As it is shown in figure 1, the central axis of cylinder 331 vertically extends.Correspondingly, " horizontal compressor " can be understood as cylinder The centerline axis parallel of 331 is in the compressor 100 of the installed surface of compressor 100.In the application explained below, with compressor 100 illustrate for as a example by vertical compressor.

Specifically, end housing 2 is welded to connect the end to main casing 1, and for example, referring to Fig. 1 and Fig. 2, end housing 2 can To be welded on the lower end of main casing 1.Compressing in mechanism 3 is located at main casing 1 and adjacent end housing 2, compression mechanism 3 includes connecting Part, the outer peripheral face of connector coordinates with the inwall of main casing 1.Alternatively, connector can be welded on main casing 1, but does not limits In this.Specifically, connector can be connected on main casing 1 by welding manners such as three means of spot welds.Specifically, outside connector Then side face can be connected on main casing 1 with the inwall gap of main casing 1 by the way of welding.

Specifically, seeing figures.1.and.2, compression mechanism 3 includes base bearing 31, supplementary bearing 32, is located at base bearing 31 and and pair Cylinder assembly 33 between bearing 32, connector can be at least one in base bearing 31, supplementary bearing 32 and cylinder assembly 33. It is to say, connector can be in base bearing 31, supplementary bearing 32 and cylinder assembly 33 wherein any one, it is also possible to be main Any two of which in bearing 31, supplementary bearing 32 and cylinder assembly 33, it is also possible to for base bearing 31, supplementary bearing 32 and air cylinder group Part 33.In other words, compression mechanism 3 can pass through in base bearing 31, supplementary bearing 32 and cylinder assembly 33 wherein any one and Main casing 1 is connected, it is also possible to by any two of which in base bearing 31, supplementary bearing 32 and cylinder assembly 33 and main casing 1 It is connected, it is also possible to be connected with main casing 1 with cylinder assembly 33 by base bearing 31, supplementary bearing 32.

Further, compression mechanism 3 also includes bent axle 34, piston (not shown), slide plate (not shown) and deafener 35 etc..Wherein, base bearing 31 and supplementary bearing 32 are respectively provided at the axial two ends of cylinder assembly 33, such as, in the example of fig. 1, Base bearing 31 is positioned at the upper end of cylinder assembly 33, and supplementary bearing 32 is positioned at the lower end of cylinder assembly 33.One end of bent axle 34 is (such as, Lower end in Fig. 1) run through base bearing 31, cylinder assembly 33 and supplementary bearing 32, (such as, upper in Fig. 1 of the other end of bent axle 34 End) it is connected with the rotor 4 of compressor 100.Deafener 35, base bearing 31, supplementary bearing 32 and cylinder assembly 33 are tight by screw 36 Gu together.After the electrical power of compressor 100, rotor 4 drives the bent axle 34 of compression mechanism 3 to rotate, and makes compression mechanism 3 continuous Suck low-temp low-pressure coolant, compression and eventually through exhaust gear, High Temperature High Pressure coolant be expelled to inside main casing 1, it is achieved pressure The continuous work of contracting machine 100.

With reference to Fig. 1, the outer peripheral face of connector is provided with escape groove 3311, the adjacent end of escape groove 3311 through-connections The end face of one end (such as, the lower end in Fig. 1) of housing 2.Specifically, with reference to Fig. 1, Fig. 2 and combine Fig. 5, escape groove 3311 can With by the portion perimeter of the adjacent end housing 2 of connector facing to being formed near the direction of central axis of connector is recessed, Solder joint 37 between connector and main casing 1 can be arranged on the region in addition to escape groove 3311 of the outer peripheral face of connector. Thus, it is possible on the basis of ensureing the connector connection reliability with main casing 1, effectively reduce main casing 1 and connector Contact area, it is to avoid end housing 2 is welded on time on main casing 1 region in addition to the solder joint 37 and pressure after main casing 1 deformation Contracting mechanism 3 produces contact, efficiently reduces the deformation of compression mechanism 3, thus improves joining between each parts of compression mechanism 3 Close precision, reduce the friction loss of compressor 100, and efficiently avoid occur in compressor 100 running stuck Etc. fault, and then improve the Performance And Reliability of compressor 100.

Describe escape groove 3311 referring to Fig. 3 and reduce the principle of compression mechanism 3 deformation.

As it is shown on figure 3, compressor 100 assembling during, can by first by connector by three means of spot welds in the way of fix On the inwall of main casing 1, then end housing 2 is welded on the end of main casing 1.The sweating heat that end housing 2 produces will Causing main casing 1 to shrink towards the direction of the central axis near main casing 1 near end housing 2 one end, Fig. 3 is to main casing 1 The deformation produced is exaggerated.If there is no escape groove 3311 on connector, one end (example of connector adjacent end housing 2 As, the lower end in Fig. 3) contact (as shown in dotted portion in Fig. 3) by producing with the main casing 1 after deformation, and cause compressor Structure 3 is deformed.Thus, by arranging escape groove 3311 on connector, end housing 2 can be effectively prevented from and be welded on master Time on housing 1, after main casing 1 deformation, the region in addition to solder joint 37 contacts, such that it is able to effectively reduce with compressing mechanism 3 generation The deformation of compression mechanism 3.

Compressor 100 according to embodiments of the present invention, by arranging escape groove 3311 on the outer peripheral face of connector, permissible On the basis of ensureing the connector connection reliability with main casing 1, effectively reduce the contact surface of main casing 1 and connector Long-pending, it is to avoid when end housing 2 is welded on main casing 1, after main casing 1 deformation, the region in addition to solder joint 37 is produced with compressing mechanism 3 Raw contact, thus efficiently reduce the deformation of compression mechanism 3, improve the quality of fit between each parts of compression mechanism 3, enter And improve the Performance And Reliability of compressor 100.

According to some embodiments of the present invention, compressor 100 can be single cylinder compressor or multicylinder compressor.Wherein, when When compressor 100 is single cylinder compressor, as it is shown in figure 1, cylinder assembly 33 includes a cylinder 331, now base bearing 31 is located at The upper end of this cylinder 331, supplementary bearing 32 is located at the lower end of this cylinder 331.When compressor 100 is multicylinder compressor, such as Fig. 2 institute Showing, cylinder assembly 33 includes multiple such as two cylinders 331, is provided with dividing plate 332, base bearing 31 between adjacent two cylinders 331 Being located at the upper end of the cylinder 331 of the top, supplementary bearing 32 is located at the lower end of the cylinder 331 of bottom.

Such as, in the example of fig. 1, connector can be cylinder 331, and and for example, in the figure 2 example, connector is permissible For dividing plate 332.Simple in construction, easy to connect.

Here, it should be noted that in describing the invention, except as otherwise noted, " multiple " be meant that two or Two or more.

According to some embodiments of the present invention, escape groove 3311 is the circumferentially extending annular escape groove along connector, knot Structure is simple, easy to process.

Alternatively, the outer peripheral face of escape groove 3311 is formed as cylindrical or truncated cone-shaped, but is not limited to this.Such as, Fig. 3's In example, the outer peripheral face of escape groove 3311 is formed as cylindrical, thus, simplifies the processing technique of connector, improves production Efficiency also reduces processing cost.And for example, in the example of fig. 4, the outer peripheral face of escape groove 3311 is formed as truncated cone-shaped, thus, Equally simplify the processing technique of connector and be effectively improved the overall construction intensity of connector.

According to other embodiments of the present invention, escape groove 3311 includes being provided at circumferentially spaced of the outer peripheral face along connector Many sub-escape groove 3312.As it is shown in figure 5, three can be arranged mutually by uniform intervals in circumference on the outer peripheral face of connector Independent sub-escape groove 3312.Connector can be welded in main casing 1 by the way of three means of spot welds, the outer peripheral face of connector On there are circumferentially spaced three solder joints 37 of three outer peripheral faces along connector.Due to the fixation of solder joint 37, main The housing 1 sweating heat deformation in solder joint 37 local is less, it is not easy to comes in contact with the outer peripheral face of connector, thus, equally may be used With effectively improve compression mechanism 3 deform.

Alternatively, solder joint 37 may be located between adjacent sub-escape groove 3312.Thus, sub-escape groove 3312 avoids weldering Point 37 regions, such that it is able to extend the sub-escape groove 3312 height in the axial direction of main casing 1, improve and dodge effect.

It is understood that the position of sub-escape groove 3312 and quantity can be according to practical situation adjusted design, the present invention This is not especially limited.

According to some embodiments of the present invention, escape groove 3311 is at axial (such as, the upper and lower in Fig. 5 of main casing 1 To) on height be H, H meet: H >=2mm.Its concrete numerical value can adjusted design according to the actual requirements, such as, H can enter one Step meets: H=3mm etc..Thus, it is possible to improve dodging effect and can ensure that the structural strength of connector of escape groove 3311.

Alternatively, the spacing between one end and the inwall of main casing 1 of the adjacent end housing 2 of escape groove 3311 is A, A Meet: A >=0.02mm.Such as, A can meet further: A=0.03mm etc..Thus, it is possible to it is strong in the structure ensureing connector That improves escape groove 3311 on the basis of degree further dodges effect.

Here, it should be noted that on the premise of not affecting connecting-piece structure intensity, can suitably increase escape groove Spacing between one end and the inwall of main casing 1 of the adjacent end housing 2 of 3311, thus, it is possible to ensure to dodge effect, reduces Size Control precision.

Alternatively, connector can be foundry goods profiled member, but is not limited to this.Thus, escape groove 3311 can be with connector One-body molded, thus simplify processing technique, reduce processing cost.

Compressor 100 according to embodiments of the present invention, efficiently avoid end housing 2 and is welded on master time on main casing 1 After housing 1 deformation, the region in addition to solder joint 37 produces with compression mechanism 3 and contacts, thus efficiently reduces the change of compression mechanism 3 Shape, improves the quality of fit between each parts of compression mechanism 3, and then improves the Performance And Reliability of compressor 100.

In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned term Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy Point can combine in any one or more embodiments or example in an appropriate manner.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not These embodiments can be carried out multiple change in the case of departing from the principle of the present invention and objective, revise, replace and modification, this The scope of invention is limited by claim and equivalent thereof.

Claims (9)

1. a compressor, it is characterised in that including:

Main casing；

End housing, described end housing is welded to connect the end to described main casing；

Compression mechanism, in described compression mechanism is located at described main casing and neighbouring described end housing, described compression mechanism includes Connector, the outer peripheral face of described connector coordinates with the inwall of described main casing, and the outer peripheral face of described connector is provided with dodges Groove, described escape groove runs through the end face of one end of the neighbouring described end housing of described connector.

Compressor the most according to claim 1, it is characterised in that described escape groove is circumferentially extending along described connector Annular escape groove.

Compressor the most according to claim 2, it is characterised in that the outer peripheral face of described escape groove is formed as cylindrical or circle Platform shape.

Compressor the most according to claim 1, it is characterised in that described escape groove includes the outer peripheral face along described connector Circumferentially spaced many sub-escape groove.

Compressor the most according to claim 1, it is characterised in that described escape groove height in the axial direction of described main casing Degree meets for H, described H: H >=2mm.

Compressor the most according to claim 1, it is characterised in that one end of the neighbouring described end housing of described escape groove And the spacing between the inwall of described main casing is A, described A meets: A >=0.02mm.

Compressor the most according to claim 1, it is characterised in that described compression mechanism includes base bearing, supplementary bearing, is located at Cylinder assembly between described base bearing and described supplementary bearing, described connector is described base bearing, described supplementary bearing and described At least one in cylinder assembly.

Compressor the most according to claim 1, it is characterised in that described connector is welded on described main casing.

Compressor the most according to claim 1, it is characterised in that described compressor is single cylinder compressor or multi-cylinder compression Machine.