CN206770214U - Drive spindle and compressor - Google Patents
Drive spindle and compressor Download PDFInfo
- Publication number
- CN206770214U CN206770214U CN201720506400.9U CN201720506400U CN206770214U CN 206770214 U CN206770214 U CN 206770214U CN 201720506400 U CN201720506400 U CN 201720506400U CN 206770214 U CN206770214 U CN 206770214U
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- drive shaft
- oil guide
- guide groove
- drive
- shaft according
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- 208000020442 loss of weight Diseases 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 69
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a drive spindle and compressor, wherein, the drive spindle includes connecting shaft section and the driving shaft section that is connected with connecting shaft section, and the projection of connecting shaft section in the reference plane of the axis of a perpendicular to drive spindle forms processing reference profile figure, and the driving shaft section includes: the projection of the body part in the reference plane is positioned in the processing reference outline pattern; and the area increasing part is connected with the body part, the projection of the area increasing part in the reference plane is positioned outside the machined reference contour pattern so as to increase the area of the driving surface of the driving shaft section, and the driving surface is formed by splicing part of the surface of the body part and part of the surface of the area increasing part. The utility model provides a big and the poor problem of compressor job stabilization nature of drive main shaft friction loss among the prior art.
Description
Technical field
Compressor Technology field is the utility model is related to, in particular to a kind of drive shaft and compressor.
Background technology
Turn the one kind of cylinder piston compressor as piston compressor, have application in many specific work condition environments.
Compared with traditional rotary compressor, turn cylinder piston compressor at work, cylinder can rotate with piston；Tool
Body, the drive shaft for turning cylinder piston compressor is rotated to be rotated with piston, and piston can also be stirred while rotation
Cylinder is rotatable around its axis in working chamber, so that the volume for the suction muffler and compression chamber for turning cylinder piston compressor connects
Continuous change, and then ensure that and turn cylinder piston compressor normal work.
Drive shaft is to turn the main driving part of cylinder piston compressor, drive shaft while itself rotates,
Also exist also between piston and move back and forth, therefore, the complex friction masterpiece of existence form between drive shaft and piston
With in the case of drive shaft unreasonable structure, drive shaft or piston are easy to wear in a short time, so as to shadow
Ring to the job stability for turning cylinder piston compressor, reduce the service life for turning cylinder piston compressor.
Utility model content
Main purpose of the present utility model is to provide a kind of drive shaft and compressor, to solve drive of the prior art
The problem of moving big main shaft frictional dissipation and compressor operating stability difference.
To achieve these goals, according to one side of the present utility model, there is provided a kind of drive shaft, including connection
Shaft part and the drive axle segments being connected with being connected shaft part, connection shaft part is in the reference planes perpendicular to the axis of drive shaft
Interior projection forms processing reference contours figure, and drive axle segments include：Body, projection of the body in reference planes are located at
Process in reference contours figure；Area increase portion, area increase portion are connected with body, and area increase portion is in reference planes
Projection it is outer to increase the area of the driving surface of drive axle segments positioned at processing reference contours figure, driving surface is by body
Part surface and the part surface in area increase portion are spliced to form.
Further, area increase portion is integrally formed with body.
Further, driving surface is plane, and driving surface is two, and two driving surfaces are oppositely arranged.
Further, the circumferential exterior surface of drive axle segments also includes two driving surfaces being connected to integral connection table
Face, connection surface are two.
Further, drive shaft also includes t loss of weight portion, and t loss of weight portion is arranged on drive axle segments.
Further, t loss of weight portion is the lightening recesses and/or lightening hole being opened in drive axle segments.
Further, lightening recesses and/or lightening hole are located in the connection surface of drive axle segments.
Further, area increase portion is multiple that multiple area increase portions are set gradually around the circumference of body.
Further, the projection of body and area increase portion in reference planes is rectangular.
Further, reference contours figure is processed as one kind in circular, ellipse and polygon.
Further, Oil Guide slot structure is provided with driving surface.
Further, Oil Guide slot structure includes：First oil guide groove；Second oil guide groove, the second oil guide groove and the first oil guide groove
Connection, and set between the second oil guide groove and the first oil guide groove in angle.
Further, the first oil guide groove is multiple that multiple first oil guide grooves are arranged at intervals, and each first oil guide groove is vertical
In axis；Second oil guide groove is multiple, and multiple second oil guide grooves are arranged at intervals, and each second oil guide groove is each parallel to axis.
Further, driving surface edge includes adjacent weak bearing area and strong bearing area perpendicular to the direction of axis,
Multiple second oil guide grooves include leading oil groove and auxiliary oil guide groove, wherein, leading oil groove is distributed in weak bearing area and/or institute
The junction of strong bearing area and weak bearing area is stated, auxiliary oil guide groove is distributed in strong bearing area.
Further, the ratio of the length and the length of auxiliary oil guide groove of dominating oil groove is more than or equal to 2 and less than 3.
Further, the width of the first oil guide groove and/or the second oil guide groove is more than or equal to 1mm and is less than or equal to 3mm.
Further, drive shaft also includes the Oil Guide pipeline with oil guide groove fabric connectivity, and Oil Guide pipeline is arranged on connection
In shaft part and/or drive axle segments.
Further, oil guide pipe curb axis extends.
Further, oil-through hole is offered in driving surface, Oil Guide pipeline passes through oil-through hole and oil guide groove fabric connectivity.
According to another aspect of the present utility model, there is provided a kind of compressor, including：Cylinder sleeve, cylinder sleeve have working chamber；The
One flange end cap and second flange end cap, first flange end cap and second flange end cap lid are located at the axial both ends of cylinder sleeve；Gas
Cylinder, cylinder are arranged in working chamber；Piston, piston are rotatably arranged in cylinder；Drive shaft, drive shaft sequentially pass through
First flange end cap, working chamber and second flange end cap, drive shaft are above-mentioned drive shaft, the drive axle segments of drive shaft
Eccentric motion is carried out in cylinder with band piston with piston drive connection.
Further, compressor also includes limiting plate, and limiting plate is arranged between second flange end cap and cylinder sleeve.
Using the technical solution of the utility model, because drive shaft includes drive axle segments, drive axle segments and piston contact
Coordinate so as to drive piston movement to be rotated to stir cylinder in working chamber, improve the stability of compressor operating.Connecting shaft
The setting of section improves the stability that drive shaft is assemblied between first flange end cap and second flange end cap, and connects shaft part
Processing reference contours figure is formed in a projection in the reference planes of the axis of drive shaft.
Because drive axle segments include the body being connected and area increase portion, projection position of the body in reference planes
In in processing reference contours figure, area increase portion is connected with body, and projection position of the area increase portion in reference planes
In outside processing reference contours figure to increase the area of the driving surface of drive axle segments, driving surface by body part surface
It is spliced to form with the part surface in area increase portion.So, the contact area between drive axle segments and piston is effectively increased,
In the case where the rotation driving force of drive shaft is constant, significantly reduces the unit plane born in driving surface and overstock
By force, so as to avoid in driving surface because of stress raisers and caused by drive shaft or piston wear in a short time,
And then the working life of compressor is extended, improve the stability of compressor operating.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is shown according to a kind of main view schematic cross-sectional view of the drive shaft of alternative embodiment of the present utility model；
Fig. 2 is shown according to a kind of vertical view schematic cross-sectional view of the drive shaft of alternative embodiment of the present utility model；
Fig. 3 shows the vertical view schematic cross-sectional view of the drive shaft according to another alternative embodiment of the present utility model；
Fig. 4 shows a kind of schematic front view of the drive shaft of alternative embodiment in Fig. 1；
Fig. 5 shows the schematic front view of the drive shaft of another alternative embodiment in Fig. 1；
Fig. 6 is shown according to a kind of main view schematic cross-sectional view of the compressor of alternative embodiment of the present utility model；
Fig. 7 shows the vertical view schematic cross-sectional view of the compressor in figure.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, cylinder sleeve；11st, working chamber；111st, suction muffler；112nd, compression chamber；113rd, air entry；114th, exhaust outlet；2nd, the first method
Blue end cap；3rd, second flange end cap；4th, cylinder；5th, piston；51st, slide opening；6th, drive shaft；61st, axis；7th, limiting plate；10th, even
Spindle section；12nd, reference contours figure is processed；20th, drive axle segments；21st, body；22nd, area increase portion；23rd, driving surface；
231st, oil-through hole；24th, connection surface；30th, t loss of weight portion；40th, Oil Guide slot structure；41st, the first oil guide groove；42nd, the second oil guide groove；
421st, oil groove is dominated；422nd, oil guide groove is aided in；50th, Oil Guide pipeline.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
In order to solve the problems, such as that drive shaft frictional dissipation of the prior art is big and compressor operating stability difference, this
Utility model provides a kind of drive shaft and compressor, and as shown in Figure 6 and Figure 7, compressor includes cylinder sleeve 1, first flange end
Lid 2, second flange end cap 3, cylinder 4, piston 5 and drive shaft 6, wherein, cylinder sleeve 1 has working chamber 11, first flange end cap 2
The axial both ends for being located at cylinder sleeve 1 are covered with second flange end cap 3, cylinder 4 is arranged in working chamber 11, and piston 5 is rotationally set
Put in cylinder 4, drive shaft 6 sequentially passes through first flange end cap 2, working chamber 11 and second flange end cap 3, drive shaft 6
For above-mentioned and following drive shaft, the drive axle segments 20 of drive shaft 6 are with the drive connection of piston 5 with band piston 5 in cylinder 4
Interior carry out eccentric motion.Specifically, slide opening 51 is offered on piston 5, piston 5 is set in drive shaft 6 by slide opening 51, when
Drive shaft 6 around its axis 61 rotate when, drive shaft 6 can band piston 5 rotate, while piston 5 can also relative to driving lead
Length direction of the axle 6 along slide opening 51 reciprocatingly slides, and eccentric turn occurs in working chamber 11 so as to which piston 5 can stir cylinder 4
It is dynamic, make the volume of suction muffler 111 and compression chamber 112 that consecutive variations occur so that the gas of suction muffler 111 will be sucked by air entry 113
Compression chamber 112 is pushed into after compression and is finally discharged by exhaust outlet 114 to complete the compression operation to gas.
It should be noted that the phase difference of suction muffler 111 and compression chamber 112 is 180 degree.
As shown in fig. 6, in order to improve the mounting stability of cylinder 4, piston 5 and drive shaft 6, compressor also includes spacing
Plate 7, limiting plate 7 are arranged between second flange end cap 3 and cylinder sleeve 1.
As shown in Figures 2 and 3, drive shaft 6 includes connection shaft part 10 and the drive axle segments being connected with being connected shaft part 10
20, connection shaft part 10 forms processing reference contours in a projection in the reference planes of the axis 61 of drive shaft 6
Figure 12, drive axle segments 20 include body 21 and area increase portion 22, and projection of the body 21 in reference planes, which is located at, to be added
In work reference contours figure 12, area increase portion 22 is connected with body 21, and throwing of the area increase portion 22 in reference planes
Shadow is outer to increase the area of the driving surface 23 of drive axle segments 20 positioned at processing reference contours figure 12, and driving surface 23 is by body
The part surface in portion 21 and the part surface in area increase portion 22 are spliced to form.
Because drive shaft 6 includes drive axle segments 20, drive axle segments 20 are engaged with piston 5 so as to drive piston 5 to transport
It is dynamic to be rotated with stirring cylinder 4 in working chamber 11, improve the stability of compressor operating.The setting of connection shaft part 10 improves
Drive shaft 6 is assemblied in the stability between first flange end cap 2 and second flange end cap 3, and connects shaft part 10 and hung down at one
Directly processing reference contours figure 12 is formed in the projection in the reference planes of the axis 61 of drive shaft 6.
Because drive axle segments 20 include the body 21 being connected and area increase portion 22, body 21 is in reference planes
Projection in processing reference contours figure 12, area increase portion 22 is connected with body 21, and area increase portion 22 is being joined
The projection examined in plane is outer to increase the area of the driving surface 23 of drive axle segments 20 positioned at processing reference contours figure 12, drives
Surface 23 is spliced to form by the part surface of body 21 and the part surface in area increase portion 22.So, drive axle segments 20 with
Contact area between piston 5 is effectively increased, and in the case where the rotation driving force of drive shaft 6 is constant, is effectively dropped
The unit area pressure born in low driving surface 23, makes so as to avoid in driving surface 23 because of stress raisers
Worn in a short time into drive shaft 6 or piston 5, and then extend the working life of compressor, improve compressor
The stability of work.
Alternatively, for the ease of being processed manufacture to drive shaft 6, while the overall structure for improving drive shaft 6 is strong
Degree, ensures the job stability of compressor, area increase portion 22 is integrally formed with body 21.
Alternatively, driving surface 23 is plane, and driving surface 23 is two, and two driving surfaces 23 are oppositely arranged.This
Sample, make have more greatly contact area between drive shaft 6 and piston 5, avoid drive shaft 6 and the junction of piston 5 is sent out
Raw stress concentration, and piston 5 ensure that piston 5 stably with drive shaft 6 in the relative two internal face stress of slide opening 51
Rotate, simultaneously, additionally it is possible to slide length direction of the piston 5 along slide opening 51, slide opening 51 serves the motion to piston 5
Guide effect, driving surface 23 are that plane further ensures the stability that piston 5 slides along the length direction of slide opening 51.
Alternatively, the circumferential exterior surface of drive axle segments 20 also includes two driving surfaces 23 being connected to integral connection table
Face 24, connection surface 24 are two.So, angle is formed between connection surface 24 and driving surface 23, avoids drive shaft 6
Relative slip occurs between piston 5, so as to improve the stability that drive shaft 6 drives piston 5 to rotate.
In the alternative embodiment shown in utility model Fig. 3, drive shaft 6 also includes t loss of weight portion 30, and t loss of weight portion 30 is set
At drive axle segments 20.So, the overall weight of drive shaft 6 is not only reduced, makes compressor that there is the characteristics of portability, and
And the manufacture consumptive material of drive shaft 6 is also reduced, the overall processing manufacturing cost of compressor is reduced, is had economical well
Property.
Alternatively, t loss of weight portion 30 is the lightening recesses and/or lightening hole being opened in drive axle segments 20.So, meeting
On the premise of the lightweight of drive shaft 6 and economy, the processing and manufacturing step of drive shaft 6 is simplified, improves driving
The production convenience of main shaft 6.
As shown in figure 3, in order to not influence the surface engagement between driving surface 23 and piston 5, guarantee stably runs, subtracted
Weight groove and/or lightening hole are located in the connection surface 24 of drive axle segments 20.
As shown in Figures 2 and 3, area increase portion 22 is multiple, multiple area increase portions 22 around body 21 it is circumferential according to
Secondary setting.In such manner, it is possible to further increase the surface area of driving surface 23, the wear rate of drive shaft 6 and/or piston 5 is reduced.
Alternatively, the projection of body 21 and area increase portion 22 in reference planes is rectangular.In the case of this kind, area
Increase portion 22 is four, and four area increase portions 22 are around the circumferentially disposed of body 21.
Alternatively, reference contours figure 12 is processed as one kind in circular, ellipse and polygon.So, shaft part is connected
10 cross sectional shape is just one kind in circular, ellipse and polygon, meet connection shaft part 10 and drive axle segments 20 it
Between have enough bonding strengths on the premise of, also improve as processing drive shaft 6 base material structure diversity, so as to
It reduce further the overall processing manufacturing cost of compressor.
As shown in Figures 2 to 5, Oil Guide slot structure 40 is provided with driving surface 23.So, lubricating oil just can be by leading
Tank structure 40 is flow in driving surface 23, and then the gap location flowed between the matching surface of driving surface 23 and piston 5, from
And serve to lubrication during relative motion occurs between piston 5 and drive shaft 6, to the lubrication of friction pair, Neng Goujin
One step reduces the wear rate between piston 5 and drive shaft 6, ensures the stability coordinated between piston 5 and drive shaft 6, together
When improve reliable transmission of the drive shaft 6 to piston 5, improve the performance of compressor.
As shown in Figure 4 and Figure 5, Oil Guide slot structure 40 includes the first oil guide groove 41 and the second oil guide groove 42, the second oil guide groove
42 connect with the first oil guide groove 41, and are set between the second oil guide groove 42 and the first oil guide groove 41 in angle.So, the first Oil Guide
The oil guide groove 42 of groove 41 and second can extend along driving surface 23, so as to play sufficient lubricant effect to driving surface 23.
As shown in figure 5, in a specific embodiment of the present utility model, the first oil guide groove 41 be it is multiple, multiple first
Oil guide groove 41 is arranged at intervals, and each first oil guide groove 41 is each perpendicular to axis 61；Second oil guide groove 42 is multiple, and multiple second lead
Oil groove 42 is arranged at intervals, and each second oil guide groove 42 is each parallel to axis 61.So, it is easy to be opened in driving surface 23
Groove.
It should be noted that driving surface 23 includes adjacent weak bearing area and held by force along perpendicular to the direction of axis 61
Region is carried, multiple second oil guide grooves 42 include leading oil groove 421 and auxiliary oil guide groove 422, wherein, leading oil groove 421 is distributed in
The junction of in the weak bearing area and/or strong bearing area and weak bearing area, auxiliary oil guide groove 422 are distributed in strong carrying
In region.In compressor operating, because the stress in strong bearing area is larger, the stress of weak bearing area is smaller, so, main
Oil guide groove 421 and the distribution of auxiliary oil guide groove 422 subregion, can not only meet to play driving surface 23 sufficiently lubrication effect
Fruit, additionally it is possible to do not influence the structural strength of drive shaft 6, improve the job stability of compressor.
It should be noted that when weak bearing area and strong supporting region do not divide significantly, by taking Fig. 2 as an example, drive shaft 6
When turning clockwise, in fig. 2, the upper left side and lower right side of two driving surfaces 23 being oppositely arranged are strong bearing area, this
It is that the opening position is main stress area because when the driving piston 5 of drive shaft 6 turns clockwise.Certainly, drive shaft 6
During rotate counterclockwise, in fig. 2, the lower left side for two driving surfaces 23 being oppositely arranged and upper right side are strong bearing area,
Alternatively, the ratio of the length and the length of auxiliary oil guide groove 422 of dominating oil groove 421 is more than or equal to 2 and less than 3.
Alternatively, the width of the first oil guide groove 41 and/or the second oil guide groove 42 is more than or equal to 1mm and is less than or equal to 3mm.
In order to ensure that stable source of lubrication is provided for Oil Guide slot structure 40, as shown in Figure 1 to Figure 3, drive shaft is also wrapped
The Oil Guide pipeline 50 connected with Oil Guide slot structure 40 is included, Oil Guide pipeline 50 is arranged in connection shaft part 10 and/or drive axle segments 20.
As shown in figure 1, for the ease of being processed manufacture to drive shaft 6, Oil Guide pipeline 50 extends along axis 61.
As shown in Figure 4 and Figure 5, offer oil-through hole 231 in driving surface 23, Oil Guide pipeline 50 by oil-through hole 231 with
Oil Guide slot structure 40 connects.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to the proportionate relationship of reality.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device of meaning or element there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts to be distinguished, do not have Stated otherwise such as, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of utility model protection scope.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (21)
- A kind of 1. drive shaft, it is characterised in that the drive being connected including connection shaft part (10) and with the connection shaft part (10) Moving axis section (20), throwing of the connection shaft part (10) in the reference planes of an axis (61) perpendicular to the drive shaft Shadow forms processing reference contours figure (12), and the drive axle segments (20) include：Body (21), projection of the body (21) in the reference planes is positioned at the processing reference contours figure (12) in；Area increase portion (22), the area increase portion (22) is connected with the body (21), and the area increase portion (22) projection in the reference planes processes reference contours figure (12) outside to increase the drive axle segments positioned at described (20) area of driving surface (23), part surface and the area of the driving surface (23) by the body (21) The part surface in increase portion (22) is spliced to form.
- 2. drive shaft according to claim 1, it is characterised in that the area increase portion (22) and the body (21) it is integrally formed.
- 3. drive shaft according to claim 2, it is characterised in that the driving surface (23) is plane, and the drive Dynamic surface (23) are two, and two driving surfaces (23) are oppositely arranged.
- 4. drive shaft according to claim 3, it is characterised in that the circumferential exterior surface of the drive axle segments (20) is also wrapped Include and two driving surfaces (23) are connected to integral connection surface (24), the connection surface (24) is two.
- 5. drive shaft according to claim 1, it is characterised in that the drive shaft also includes t loss of weight portion (30), institute State t loss of weight portion (30) and be arranged on the drive axle segments (20) place.
- 6. drive shaft according to claim 5, it is characterised in that the t loss of weight portion (30) is to be opened in the drive shaft Lightening recesses and/or lightening hole in section (20).
- 7. drive shaft according to claim 6, it is characterised in that the lightening recesses and/or lightening hole are positioned at described In the connection surface (24) of drive axle segments (20).
- 8. drive shaft according to claim 1, it is characterised in that the area increase portion (22) is multiple, Duo Gesuo The circumference that area increase portion (22) is stated around the body (21) is set gradually.
- 9. drive shaft according to claim 8, it is characterised in that the body (21) and the area increase portion (22) projection in the reference planes is rectangular.
- 10. drive shaft according to claim 1, it is characterised in that the processing reference contours figure (12) for it is circular, One kind in ellipse and polygon.
- 11. drive shaft according to claim 1, it is characterised in that be provided with oil guide groove on the driving surface (23) Structure (40).
- 12. drive shaft according to claim 11, it is characterised in that the Oil Guide slot structure (40) includes：First oil guide groove (41)；Second oil guide groove (42), second oil guide groove (42) connects with first oil guide groove (41), and second Oil Guide Set between groove (42) and first oil guide groove (41) in angle.
- 13. drive shaft according to claim 12, it is characterised in thatFirst oil guide groove (41) is multiple, and multiple first oil guide grooves (41) are arranged at intervals, and each first Oil Guide Groove (41) is each perpendicular to the axis (61)；Second oil guide groove (42) is multiple, and multiple second oil guide grooves (42) are arranged at intervals, and each second Oil Guide Groove (42) is each parallel to the axis (61).
- 14. drive shaft according to claim 13, it is characterised in that the driving surface (23) is along perpendicular to the axle The direction of line (61) includes adjacent weak bearing area and strong bearing area, and multiple second oil guide grooves (42) include leading oil Groove (421) and auxiliary oil guide groove (422), wherein, the leading oil groove (421) is distributed in the weak bearing area and/or institute The junction of strong bearing area and weak bearing area is stated, the auxiliary oil guide groove (422) is distributed in the strong bearing area.
- 15. drive shaft according to claim 14, it is characterised in that the length of the leading oil groove (421) with it is described The ratio of the length of oil guide groove (422) is aided in be more than or equal to 2 and less than 3.
- 16. drive shaft according to claim 12, it is characterised in that first oil guide groove (41) and/or described The width of two oil guide grooves (42) is more than or equal to 1mm and is less than or equal to 3mm.
- 17. drive shaft according to claim 11, it is characterised in that the drive shaft also includes and the oil guide groove The Oil Guide pipeline (50) of structure (40) connection, the Oil Guide pipeline (50) are arranged on the connection shaft part (10) and/or the drive In moving axis section (20).
- 18. drive shaft according to claim 17, it is characterised in that the Oil Guide pipeline (50) is along the axis (61) Extension.
- 19. drive shaft according to claim 17, it is characterised in that offer oil-through hole on the driving surface (23) (231), the Oil Guide pipeline (50) is connected by the oil-through hole (231) with the Oil Guide slot structure (40).
- A kind of 20. compressor, it is characterised in that including：Cylinder sleeve (1), the cylinder sleeve (1) have working chamber (11)；First flange end cap (2) and second flange end cap (3), the first flange end cap (2) and the second flange end cap (3) Lid is located at the axial both ends of the cylinder sleeve (1)；Cylinder (4), the cylinder (4) are arranged in the working chamber (11)；Piston (5), the piston (5) are rotatably arranged in the cylinder (4)；Drive shaft (6), the drive shaft (6) sequentially pass through the first flange end cap (2), the working chamber (11) and institute State second flange end cap (3), drive shaft of the drive shaft (6) any one of claim 1 to 19, the drive The drive axle segments (20) of dynamic main shaft (6) are with the piston (5) drive connection to drive the piston (5) in the cylinder (4) Carry out eccentric motion.
- 21. compressor according to claim 20, it is characterised in that the compressor also includes limiting plate (7), the limit Position plate (7) is arranged between the second flange end cap (3) and the cylinder sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506400.9U CN206770214U (en) | 2017-05-08 | 2017-05-08 | Drive spindle and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506400.9U CN206770214U (en) | 2017-05-08 | 2017-05-08 | Drive spindle and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770214U true CN206770214U (en) | 2017-12-19 |
Family
ID=60649518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720506400.9U Withdrawn - After Issue CN206770214U (en) | 2017-05-08 | 2017-05-08 | Drive spindle and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035693A (en) * | 2017-05-08 | 2017-08-11 | 珠海格力电器股份有限公司 | Drive spindle and compressor |
-
2017
- 2017-05-08 CN CN201720506400.9U patent/CN206770214U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035693A (en) * | 2017-05-08 | 2017-08-11 | 珠海格力电器股份有限公司 | Drive spindle and compressor |
| CN107035693B (en) * | 2017-05-08 | 2019-11-29 | 珠海格力电器股份有限公司 | Drive spindle and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171219 Effective date of abandoning: 20191129 |