CN208518838U - Crankshaft, crankshaft group and compressor for compressor - Google Patents
Crankshaft, crankshaft group and compressor for compressor Download PDFInfo
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- CN208518838U CN208518838U CN201820531816.0U CN201820531816U CN208518838U CN 208518838 U CN208518838 U CN 208518838U CN 201820531816 U CN201820531816 U CN 201820531816U CN 208518838 U CN208518838 U CN 208518838U
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Abstract
The utility model discloses a kind of crankshafts, crankshaft group and compressor for compressor, and crankshaft includes: balance weight；Main shaft, main shaft are located at the side of balance weight, and main lubricant passage way is equipped in main shaft, and main lubricant passage way is extended to the axial other end of main shaft by axial one end of main shaft, and the outer surface of main shaft is equipped with multiple oil outlets spaced apart, and each oil outlet is connected to main lubricant passage way；Eccentric shaft, eccentric shaft are located at the other side of balance weight and are arranged with spindle eccentricity.Crankshaft according to the present utility model, by the way that main lubricant passage way is arranged in main shaft, and main lubricant passage way is made to extend to the axial other end of main shaft by axial one end of main shaft, lubricating oil in main lubricant passage way is entered between the axis hole of crankcase and main shaft by the oil outlet on main shaft, it is identical to meet the requirement lubricated between each components of the positive and negative rotary compressor of crankshaft that crankshaft positive and negative rotation pump oil amount may be implemented, it avoids crankshaft wear serious, reduces energy consumption of compressor.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, more particularly, to a kind of crankshaft for compressor, crankshaft group
Part and compressor.
Background technique
Totally-enclosed reciprocating type refrigeration compressor is the core component of the small-type refrigeration appliances such as refrigerator, refrigerator, with modern society
The meeting improvement of people's living standards, consumer are continuously increased the demand of the small-type refrigeration appliances such as refrigerator, refrigerator, promote house
The fast development of electric industry, while also increasing the competition of household electric appliances.Provide the consumer with low energy consumption, high-performance, high-quality
Product becomes developing direction most strong in industry competition, while the novelty of product and the innovative household electric appliances that also become attract
The strong competitive method of one kind of customer.
Crankshaft is as the primary pivot component in reciprocating variable volume amount refrigeration compressor, and which carry entire compressor safety
The mission of operation.The release of totally-enclosed reciprocating variable volume amount refrigeration compressor is that household electrical appliances producer occupies the excellent of active in competition
Gesture drives rotor, crankshaft to realize compressor positive and negative rotation, by inclined between crankshaft and connecting rod by the change of Electromagnetic Field
The change of piston stroke when spindle sleeve realizes positive and negative rotation, to realize that compressor varying capacity freezes.
And existing crankshaft structure is rotated forward mainly for compressor and is designed, the connection of crankshaft oil pumping system and crankshaft, connecting rod is set
Meter does not consider that the installation of excentric sleeve is fixed, leads to compressor reverse rotation pump oil not during realizing reciprocating variable volume amount refrigeration
The problems such as foot, crankshaft wear is serious, excentric sleeve mounting surface serious wear, and energy consumption of compressor increases.For totally-enclosed reciprocating
Varying capacity refrigeration compressor, crankshaft oil pumping system pump oil amount must satisfy the profit between each components of compressor during positive and negative rotation
It is sliding to require, while existing compressor crankshaft structure need to be improved for the rotation of excentric sleeve.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of crankshaft for compressor out, the crankshaft for compressor have the advantages that light abrasion.
The utility model also proposes that a kind of crankshaft group for compressor, the crankshaft group include above-mentioned for compressing
The crankshaft of machine.
The utility model also proposes that a kind of compressor, the compressor include the above-mentioned crankshaft group for compressor.
According to the crankshaft for compressor of the utility model embodiment, comprising: balance weight；Main shaft, the main shaft are located at
The side of the balance weight, is equipped with main lubricant passage way in the main shaft, the main lubricant passage way by the main shaft axial one end
The axial other end of the main shaft is extended to, the outer surface of the main shaft is equipped with multiple oil outlets spaced apart, each described
Oil outlet is connected to the main lubricant passage way；Eccentric shaft, the eccentric shaft be located at the other side of the balance weight and with the master
Eccentric shaft setting.
According to the crankshaft for compressor of the utility model embodiment, by the way that main lubricant passage way is arranged in main shaft, and
Main lubricant passage way is set to extend to the axial other end of main shaft by axial one end of main shaft, the lubricating oil in main lubricant passage way passes through master
Oil outlet on axis enters between the axis hole of crankcase and main shaft, and it is identical to meet crankshaft that crankshaft positive and negative rotation pump oil amount may be implemented
The requirement lubricated between positive and negative each components of rotary compressor, avoids crankshaft wear serious, reduces energy consumption of compressor.
Some embodiments according to the present utility model, the main lubricant passage way is along linear extension.
Some embodiments according to the present utility model, multiple oil outlets are spaced apart along the length direction of the main shaft.
The outer surface of some embodiments according to the present utility model, the eccentric shaft is equipped with oil leaking hole, the oil leaking hole
It is connected to the excentric sleeve face being set on the eccentric shaft and with the main lubricant passage way.
In some embodiments of the utility model, annular oil groove, the annular oil groove are additionally provided on the eccentric shaft
Be connected to the oil leaking hole and with the excentric sleeve face.
In some embodiments of the utility model, the oil leaking hole is located on the bottom wall of the annular oil groove.
Some embodiments according to the present utility model are set on the surface of the side towards the eccentric shaft of the balance weight
There is annular convex platform, the annular convex platform is arranged around the eccentric shaft, and the free end face of the annular convex platform is configured to thrust
Face, the excentric sleeve being set in outside the eccentric shaft are only against on the thrust surface.
In some embodiments of the utility model, the thrust surface is smooth plane.
In some embodiments of the utility model, the cross-sectional area of the thrust surface is less than the end face of the excentric sleeve
Area.
According to the crankshaft group for compressor of the utility model embodiment, including above-mentioned crankshaft；Excentric sleeve, it is described
Excentric sleeve is set on the eccentric shaft；Connecting rod and piston, one end of the connecting rod is set on the excentric sleeve, described
The other end of connecting rod is connected with the piston.
According to the crankshaft group for compressor of the utility model embodiment, by the way that main lubricating oil is arranged in main shaft
Road, and main lubricant passage way is made to extend to the axial other end of main shaft, the lubricating oil in main lubricant passage way by axial one end of main shaft
Entered between the axis hole of crankcase and main shaft by the oil outlet on main shaft, it is identical with full that crankshaft positive and negative rotation pump oil amount may be implemented
The requirement lubricated between each components of the sufficient positive and negative rotary compressor of crankshaft, avoids crankshaft wear serious, reduces energy consumption of compressor.
Some embodiments according to the present utility model, the excentric sleeve far from the balance weight one end end face on
Equipped with the first column and the second column, first column and second column are along the circumferential direction interval of the excentric sleeve
It opens, the crankshaft group further include: eccentric pivot pin, the periphery wall of the eccentric shaft are equipped with inclined with the eccentric pivot pin cooperation
Mandrel pin hole, the eccentric shaft pins position is between first column and second column with selectively vertical with described first
Column and second column cooperation.
In some embodiments of the utility model, the crankshaft group further include: resilient key, the eccentric shaft it is separate
The end face of the balance weight is equipped with the elastic pin hole cooperated with the resilient key, the elasticity pin hole and the eccentric pin hole
Connection, the resilient key are suitable for only supporting with the eccentric pivot pin with the fixation eccentric pivot pin.
According to the compressor of the utility model embodiment, including the above-mentioned crankshaft group for compressor.
According to the compressor of northern utility model embodiment, by the way that main lubricant passage way is arranged in main shaft, and make main lubricating oil
Axial one end of routing main shaft extends to the axial other end of main shaft, and the lubricating oil in main lubricant passage way passes through fuel-displaced on main shaft
Mouth enters between the axis hole and main shaft of crankcase, and it is identical to meet crankshaft positive and negative rotation compression that crankshaft positive and negative rotation pump oil amount may be implemented
The requirement lubricated between each components of machine, avoids crankshaft wear serious, reduces energy consumption of compressor.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the explosive view according to the crankshaft group for compressor of the utility model embodiment；
Fig. 2 is according to the top view of the crankshaft group for compressor of the utility model embodiment, wherein eccentric pivot pin
Cooperate with the first column；
Fig. 3 is according to the top view of the crankshaft group for compressor of the utility model embodiment, wherein eccentric pivot pin
Cooperate with the second column；
Fig. 4 is the perspective view according to the crankshaft for compressor of the utility model embodiment；
Fig. 5 is the perspective view according to another angle of the crankshaft for compressor of the utility model embodiment；
Fig. 6 is the perspective view according to the excentric sleeve of the crankshaft group for compressor of the utility model embodiment；
Fig. 7 is the partial cutaway view according to the crankshaft group for compressor of the utility model embodiment.
Appended drawing reference:
Crankshaft group 100,
Crankshaft 1,
Balance weight 11, annular convex platform 111, thrust surface 112,
Main shaft 12, oil outlet 121, holding tank 122, main lubricant passage way 123, import 1231,
Eccentric shaft 13, oil leaking hole 131, annular oil groove 132, eccentric oilhole 133, eccentric pin hole 134, elastic pin hole 135,
Excentric sleeve 2, axis discharge orifice 21, guiding surface 211, oil groove 22, the first column 23, the second column 24,
Eccentric pivot pin 3, resilient key 4, connecting rod 5.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an 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
The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 7 description according to the crankshaft 1 for compressor of the utility model embodiment.
As shown in Figure 1, Figure 4 and Figure 5, according to the crankshaft 1 for compressor of the utility model embodiment, crankshaft 1 is fixed
In on crankcase and including balance weight 11, main shaft 12 and eccentric shaft 13.
Specifically, as shown in Figure 4 and Figure 5, main shaft 12 is located at the side (downside as shown in Figure 4) of balance weight 11, it is main
Main lubricant passage way 123 is equipped in axis 12, main lubricant passage way 123 is another by the axial direction that axial one end of main shaft 12 extends to main shaft 12
It holds (lower end as shown in Figure 4 to upper end), the import 1231 of main lubricant passage way 123 is located at the lower end of main shaft 12, main lubricant passage way
123 outlet is located at the upper end of main shaft 12.The outer surface of main shaft 12 is equipped with multiple oil outlets 121 spaced apart, each fuel-displaced
Mouth 121 is connected to main lubricant passage way 123 to provide lubricating oil between main shaft 12 and crankcase axis hole.Main lubricant passage way 123 is complete
Portion is located in main shaft 12, and it is identical to meet wanting for 1 positive and negative rotation compressor lubrication of crankshaft that 1 positive and negative rotation pump oil amount of crankshaft may be implemented
It asks, avoids 1 serious wear of crankshaft, reduce energy consumption of compressor.
In addition, as shown in Figure 4 and Figure 5, the outside wall surface on main shaft 12 is equipped with holding tank 122, and holding tank 122 is along main shaft 12
Circumferential direction extend, crankshaft 1 rotates in crankcase axis hole, and the lubricating oil that oil pumping system pumps out when crankshaft 1 rotates can lead to
It crosses oil outlet 121 and enters storage lubricating oil in holding tank 122, and then increase the lubrication between main shaft 12 and crankcase axis hole.
As shown in Figure 4 and Figure 5, eccentric shaft 13 be located at balance weight 11 the other side and with 12 eccentric setting of main shaft.Eccentric shaft
13 can be rotated centered on the axis of main shaft 12, and eccentric shaft 13 is rotatably coupled with connecting rod 5.Due to eccentric shaft 13 and main shaft
12 eccentric settings, therefore crankshaft 1 is in the course of rotation, connecting rod 5 can move back and forth on straight line, and then compression refrigerant gas
Body.The working principle of above-mentioned crankshaft 1 and connecting rod 5 is for known to those skilled in the art, which is not described herein again.
According to the crankshaft 1 for compressor of the utility model embodiment, by the way that main lubricant passage way is arranged in main shaft 12
123, and main lubricant passage way 123 is made to extend to the axial other end of main shaft 12, main lubricant passage way 123 by axial one end of main shaft 12
Interior lubricating oil is entered by the oil outlet 121 on main shaft 12 between the axis hole and main shaft 12 of crankcase, and crankshaft 1 may be implemented just
It is identical to meet the requirement lubricated between 1 each components of positive and negative rotary compressor of crankshaft to invert pump oil amount, crankshaft 1 is avoided to wear sternly
Weight reduces energy consumption of compressor.
In some embodiments of the utility model, as shown in Figure 1 and Figure 4, main lubricant passage way 123 is along linear extension.By
This is convenient for compressor pump oil, improves compressor pump oil efficiency.Further, the extending direction of main lubricant passage way 123 and main shaft 12
Axis it is parallel, along the axis direction of main shaft 12, the internal diameter of main lubricant passage way 123 is identical.Thus, it is possible to realize that crankshaft 1 is positive and negative
Turn that pump oil amount is identical to avoid 1 serious wear of crankshaft to meet the requirement lubricated between 1 each components of positive and negative rotary compressor of crankshaft,
Reduce energy consumption of compressor.
Optionally, as shown in Figure 1 and Figure 4, multiple oil outlets 121 are spaced apart along the length direction of main shaft 12.Thus in master
On the length direction of axis 12, the lubricating oil between crankcase and main shaft 12 can be made more uniform, reduce the abrasion of main shaft 12.Into
One step, multiple oil outlets 121 are spaced apart along the circumferential direction of main shaft 12.As a result, in the circumferential direction of main shaft 12, Ke Yijin
One step makes the lubricating oil between crankcase and main shaft 12 more uniform, reduces the abrasion of main shaft 12.
In some embodiments of the utility model, as shown in Figure 1 and Figure 4, the outer surface of eccentric shaft 13 is equipped with oil leak
Hole 131, oil leaking hole 131 and 2 face of excentric sleeve being set on eccentric shaft 13 and is connected to main lubricant passage way 123.Main lubrication
Lubricating oil in oil circuit 123 can be entered between eccentric shaft 13 and excentric sleeve 2 by oil leaking hole 131, for eccentric shaft 13 and partially
Spindle sleeve 2 provides lubricating oil, reduces the abrasion between eccentric shaft 13 and excentric sleeve 2.
Further, secondary lubricant passage way, length direction of the secondary lubricant passage way substantially along eccentric shaft 13 are equipped in eccentric shaft 13
Extend, one end of secondary lubricant passage way is connected to main lubricant passage way 123, and oil leaking hole 131 is connected to secondary lubricant passage way.Thus convenient for pressure
Contracting pump oil, flows out between eccentric shaft 13 and excentric sleeve 2 out of oil leaking hole 131 convenient for lubricating oil.
Further, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 7, annular oil groove 132, annular oil are additionally provided on eccentric shaft 13
Slot 132 be connected to oil leaking hole 131 and with 2 face of excentric sleeve.Annular oil groove 132 can store a part of lubricating oil, Ke Yibao
Demonstrate,proving between eccentric shaft 13 and excentric sleeve 2 has enough lubricating oil to meet the lubrication between eccentric shaft 13 and excentric sleeve 2
It is required that.
Further, as shown in Figure 1 and Figure 4, oil leaking hole 131 is located on the bottom wall of annular oil groove 132.Thus convenient for from
The lubricating oil flowed out in oil leaking hole 131 is flowed into annular oil groove 132 and is stored.Still further, the periphery wall of excentric sleeve 2
It is equipped with the axis discharge orifice 21 for running through it on the thickness direction of excentric sleeve 2.Thus convenient between eccentric shaft 13 and excentric sleeve 2
Lubricating oil flowed between excentric sleeve 2 and connecting rod 5 by axis discharge orifice 21, improve the friction between excentric sleeve 2 and connecting rod 5.
Preferably, as shown in fig. 7, axis discharge orifice 21 and annular oil groove 132 are opposite, axis discharge orifice 21 and annular oil groove can be made
132 connections improve between excentric sleeve 2 and connecting rod 5 so as to enhance the lubricants capacity between excentric sleeve 2 and connecting rod 5
Friction.Further, as shown in Figure 6 and Figure 7, the periphery wall of excentric sleeve 2 is equipped with multiple oil grooves being connected to axis discharge orifice 21
22.Thus, it is possible to increase the oil reserve near axis discharge orifice 21, the lubricating oil oil storage between excentric sleeve 2 and connecting rod 5 can be increased
Amount improves the friction between excentric sleeve 2 and connecting rod 5.
Further, as shown in fig. 6, multiple oil grooves 22 are evenly-spaced along the circumferential direction of axis discharge orifice 21.Thus just
In the processing and arrangement of oil groove 22.For example, as shown in fig. 6, being connected to there are two being set on the periphery wall of excentric sleeve 2 with axis discharge orifice 21
Oil groove 22, two oil grooves 22 are located at the upper side and lower side of axis discharge orifice 21.
As shown in fig. 7, the axial ends of the axis discharge orifice 21 all has guiding surface 211.Guiding surface 211 is tubaeform
Face, on the direction of the inner end of axis discharge orifice 21 to outer end, the cross-sectional area of axis discharge orifice 21 is gradually increased.Wherein outer end is axis discharge orifice
21 close to extraneous part be outer end, be axis discharge orifice 21 far from extraneous part is inner end for inner end is external opposite ends.
In some embodiments of the utility model, as shown in figure 5, being set on the end face of the separate balance weight 11 of eccentric shaft 13
There is eccentric oilhole 133, far from the axis of eccentric shaft 13, eccentric oilhole 133 is set close to oil leaking hole 131 at the center of eccentric oilhole 133
It sets, eccentric oilhole 133 is connected to main lubricant passage way 123, and eccentric oilhole 133 passes through secondary lubricant passage way and main lubricant passage way 123 connects
Logical, eccentric oilhole 133 is configured to the outlet of secondary lubricant passage way.
In some embodiments of the utility model, as shown in Fig. 1-Fig. 3, Fig. 5, balance weight 11 towards eccentric shaft 13
The surface of side is equipped with annular convex platform 111, and annular convex platform 111 is arranged around eccentric shaft 13, the free end face of annular convex platform 111
It is configured to thrust surface 112, the excentric sleeve 2 being set in outside eccentric shaft 13 is only against on thrust surface 112.It is possible thereby to reduce partially
The contact area on the surface of spindle sleeve 2 and balance weight 11 reduces the abrasion of excentric sleeve 2, improves in compressor operational process
Energy consumption.
Further, thrust surface 112 is smooth plane.It is possible thereby to further decrease excentric sleeve 2 and thrust surface 112
Between friction, reduce excentric sleeve 2 abrasion, improve compressor operational process in energy consumption, increase compressor performance.
Optionally, the cross-sectional area of thrust surface 112 is less than the area of the end face of excentric sleeve 2.It is possible thereby to reduce leaning on for excentric sleeve 2
The end face of nearly balance weight 11 and the contact area of thrust surface 112, further decrease the abrasion of excentric sleeve 2, improve compressor fortune
Energy consumption during row increases compressor performance.
Below with reference to Fig. 1-Fig. 7 description according to the crankshaft group 100 for compressor of the utility model embodiment.
As shown in Figure 1, according to the crankshaft group 100 for compressor of the utility model embodiment, including above-mentioned crankshaft
1, excentric sleeve 2, connecting rod 5 and piston.
Specifically, the motor of compressor generates magnetic field and drives rotor rotation, and the main shaft 12 of rotor and crankshaft 1 is matched by interference
The mode of conjunction is fixed together to be rotated with rotor.As shown in Figure 1, excentric sleeve 2 is set on eccentric shaft 13, excentric sleeve 2 with
Eccentric shaft 13 is coaxial, and one end of connecting rod 5 is set on excentric sleeve 2, and the other end of connecting rod 5 is connected with piston.
According to the crankshaft group 100 for compressor of the utility model embodiment, by the way that main profit is arranged in main shaft 12
Lubricating oil road 123, and main lubricant passage way 123 is made to extend to the axial other end of main shaft 12, main lubrication by axial one end of main shaft 12
Lubricating oil in oil circuit 123 is entered by the oil outlet 121 on main shaft 12 between the axis hole and main shaft 12 of crankcase, may be implemented
1 positive and negative rotation pump oil amount of crankshaft is identical to meet the requirement lubricated between 1 each components of positive and negative rotary compressor of crankshaft, avoids crankshaft 1
Serious wear reduces energy consumption of compressor.
In some embodiments of the utility model, as shown in Figure 1-Figure 3, the one of the separate balance weight 11 of excentric sleeve 2
The end face at end is equipped with the first column 23 and the second column 24, the circumferential direction of the first column 23 and the second column 24 along excentric sleeve 2
Direction is spaced apart.Crankshaft group 100 further includes eccentric pivot pin 3, and the periphery wall of eccentric shaft 13 is equipped with to be cooperated with eccentric pivot pin 3
Eccentric pin hole 134, eccentric pivot pin 3 between the first column 23 and the second column 24 with selectively with the first column 23 and
The cooperation of second column 24.Eccentric pivot pin 3 is driven to rotate in 1 rotary course of crankshaft, crankshaft 1 rotates forward the (side clockwise such as in Fig. 2
To rotation) when bias pivot pin 3 contact and be kept fixed with the first column 23 on excentric sleeve 2, drive excentric sleeve 2 is with crankshaft 1
Eccentric shaft 13 rotates, bias pivot pin 3 and on excentric sleeve 2 second when crankshaft 1 inverts (such as rotating in an anti-clockwise direction in Fig. 3)
Column 24 contact simultaneously be kept fixed, thus when realizing compressor positive and negative rotation 1 eccentricity of crankshaft variation, drive excentric sleeve 2 with
The rotation of 1 eccentric shaft 13 of crankshaft.
Further, as shown in Figure 1, crankshaft group 100 further includes resilient key 4, the separate balance weight 11 of eccentric shaft 13
End face is equipped with the elastic pin hole 135 cooperated with resilient key 4, and elastic pin hole 135 is connected to eccentric pin hole 134, and resilient key 4 is suitable
In only supporting with eccentric pivot pin 3 with fixed eccentric shaft pin 3, so that it is relatively reliable to fix eccentric pivot pin 3, crankshaft group is improved
The reliability of 100 work.
Below with reference to Fig. 1-Fig. 7 description according to the compressor of the utility model embodiment.
According to the compressor of the utility model embodiment, including the above-mentioned crankshaft group 100 for compressor.
According to the compressor of the utility model embodiment, by the way that main lubricant passage way 123 is arranged in main shaft 12, and make main profit
Lubricating oil road 123 is extended to the axial other end of main shaft 12 by axial one end of main shaft 12, and the lubricating oil in main lubricant passage way 123 is logical
It crosses the oil outlet 121 on main shaft 12 to enter between the axis hole and main shaft 12 of crankcase, 1 positive and negative rotation pump oil amount phase of crankshaft may be implemented
With 1 serious wear of crankshaft to meet the requirement lubricated between 1 each components of positive and negative rotary compressor of crankshaft, is avoided, compressor is reduced
Energy consumption.
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 specific features described in conjunction with this embodiment or example, knot
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 be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (13)
1. a kind of crankshaft for compressor characterized by comprising
Balance weight；
Main shaft, the main shaft are located at the side of the balance weight, are equipped with main lubricant passage way, the main lubricant passage way in the main shaft
The axial other end of the main shaft is extended to by axial one end of the main shaft, the outer surface of the main shaft is equipped with multiple intervals
The oil outlet opened, each oil outlet are connected to the main lubricant passage way, and the outside wall surface of the main shaft is equipped with holding tank, institute
The circumferential direction that holding tank is stated along the main shaft extends；
Eccentric shaft, the eccentric shaft are located at the other side of the balance weight and are arranged with the spindle eccentricity.
2. the crankshaft according to claim 1 for compressor, which is characterized in that the main lubricant passage way prolongs along straight line
It stretches.
3. the crankshaft according to claim 1 for compressor, which is characterized in that multiple oil outlets are along the main shaft
Length direction be spaced apart.
4. the crankshaft according to claim 1 for compressor, which is characterized in that the outer surface of the eccentric shaft is equipped with
Oil leaking hole, the oil leaking hole are connected to the excentric sleeve face being set on the eccentric shaft and with the main lubricant passage way.
5. the crankshaft according to claim 4 for compressor, which is characterized in that be additionally provided with annular on the eccentric shaft
Oil groove, the annular oil groove be connected to the oil leaking hole and with the excentric sleeve face.
6. the crankshaft according to claim 5 for compressor, which is characterized in that the oil leaking hole is located at the annular oil
On the bottom wall of slot.
7. the crankshaft according to claim 1 for compressor, which is characterized in that the balance weight towards the bias
The surface of the side of axis be equipped with annular convex platform, the annular convex platform around the eccentric shaft be arranged, the annular convex platform from
Thrust surface is configured to by end face, the excentric sleeve being set in outside the eccentric shaft is only against on the thrust surface.
8. the crankshaft according to claim 7 for compressor, which is characterized in that the thrust surface is smooth plane.
9. the crankshaft according to claim 7 for compressor, which is characterized in that the cross-sectional area of the thrust surface is less than
The area of the end face of the excentric sleeve.
10. a kind of crankshaft group for compressor characterized by comprising
Crankshaft according to claim 1 to 9；
Excentric sleeve, the excentric sleeve are set on the eccentric shaft；
Connecting rod and piston, one end of the connecting rod are set on the excentric sleeve, the other end of the connecting rod and the piston
It is connected.
11. the crankshaft group according to claim 10 for compressor, which is characterized in that the excentric sleeve it is separate
The end face of one end of the balance weight is equipped with the first column and the second column, and first column and second column are along institute
The circumferential direction for stating excentric sleeve is spaced apart, the crankshaft group further include:
Eccentric pivot pin, the periphery wall of the eccentric shaft are equipped with the eccentric pin hole with the eccentric pivot pin cooperation, the bias
Pivot pin between first column and second column with selectively with first column and second column
Cooperation.
12. the crankshaft group according to claim 11 for compressor, which is characterized in that the crankshaft group also wraps
Include: resilient key, the end face far from the balance weight of the eccentric shaft are equipped with the elastic pin hole cooperated with the resilient key, institute
It states elastic pin hole to be connected to the eccentric pin hole, the resilient key is suitable for only supporting with the eccentric pivot pin with the fixation bias
Pivot pin.
13. a kind of compressor, which is characterized in that including being used for compressor described in any one of 0-12 according to claim 1
Crankshaft group.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531816.0U CN208518838U (en) | 2018-04-13 | 2018-04-13 | Crankshaft, crankshaft group and compressor for compressor |
| JP2019563155A JP6933729B2 (en) | 2018-04-13 | 2019-04-12 | Eccentric bushes for compressor crankshafts, crankshafts, crankshaft assemblies and compressors |
| PCT/CN2019/082570 WO2019196949A1 (en) | 2018-04-13 | 2019-04-12 | Eccentric bushing for crankshaft of compressor, crankshaft, crankshaft assembly, and compressor |
| US16/736,261 US11371496B2 (en) | 2018-04-13 | 2020-01-07 | Eccentric sleeve for crankshaft of compressor, crankshaft, crankshaft assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531816.0U CN208518838U (en) | 2018-04-13 | 2018-04-13 | Crankshaft, crankshaft group and compressor for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518838U true CN208518838U (en) | 2019-02-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820531816.0U Active CN208518838U (en) | 2018-04-13 | 2018-04-13 | Crankshaft, crankshaft group and compressor for compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196949A1 (en) * | 2018-04-13 | 2019-10-17 | 安徽美芝制冷设备有限公司 | Eccentric bushing for crankshaft of compressor, crankshaft, crankshaft assembly, and compressor |
| CN110905771A (en) * | 2019-11-15 | 2020-03-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil pumping system for crankshaft, compressor with oil pumping system and air conditioner |
| WO2020253796A1 (en) * | 2019-06-19 | 2020-12-24 | 艾默生环境优化技术(苏州)有限公司 | Shaft assembly, and compressor comprising shaft assembly |
-
2018
- 2018-04-13 CN CN201820531816.0U patent/CN208518838U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196949A1 (en) * | 2018-04-13 | 2019-10-17 | 安徽美芝制冷设备有限公司 | Eccentric bushing for crankshaft of compressor, crankshaft, crankshaft assembly, and compressor |
| US11371496B2 (en) | 2018-04-13 | 2022-06-28 | Anhui Meizhi Compressor Co., Ltd. | Eccentric sleeve for crankshaft of compressor, crankshaft, crankshaft assembly and compressor |
| WO2020253796A1 (en) * | 2019-06-19 | 2020-12-24 | 艾默生环境优化技术(苏州)有限公司 | Shaft assembly, and compressor comprising shaft assembly |
| CN110905771A (en) * | 2019-11-15 | 2020-03-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil pumping system for crankshaft, compressor with oil pumping system and air conditioner |
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