CN106438368B - rotating shaft, compressor and air conditioner - Google Patents
rotating shaft, compressor and air conditioner Download PDFInfo
- Publication number
- CN106438368B CN106438368B CN201610978297.8A CN201610978297A CN106438368B CN 106438368 B CN106438368 B CN 106438368B CN 201610978297 A CN201610978297 A CN 201610978297A CN 106438368 B CN106438368 B CN 106438368B
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- China
- Prior art keywords
- thrust surface
- shaft
- buffer part
- groove
- limiting slot
- Prior art date
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- 238000005299 abrasion Methods 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 18
- 239000011324 bead Substances 0.000 claims description 12
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/18—Eccentric-shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/601—Shaft flexion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a rotating shaft, a compressor and an air conditioner. Wherein, the rotating shaft comprises a rotating shaft body; the eccentric part is connected with the rotating shaft body; and the buffer part is arranged on the thrust surface of the eccentric part to reduce the abrasion of the thrust surface. Through setting up the buffering portion on eccentric portion thrust surface for buffering portion plays the cushioning effect that removes on the axial direction, can effectually prevent that the pivot axial from moving, eliminates the thrust sound, has avoided thrust surface and other parts of cylinder to take place the friction effectively and has caused the thrust surface to take place the problem that wearing and tearing reduce the pivot reliability. The stability and the reliability of the rotating shaft are effectively improved.
Description
Technical field
The present invention relates to air-conditioner device technical fields, in particular to a kind of shaft, compressor and air conditioner.
Background technique
In recent years, with the fast development of rotary compressor, client is reliable to its while pursuing compressor high energy efficiency
Property and stability also have higher requirement.In the prior art, in the rotary compressor course of work, crankshaft does height by rotor drive
Fast rotary motion, radial constraint condition be upper flange inner hole and lower flange inner hole, axial constraint condition be upper flange lower end surface and
Lower flange upper surface, common design are as follows: contact lower flange upper surface directly by crankshaft eccentric portion to support crankshaft, common song
The design of axis thrust surface not can guarantee it and be coaxially disposed with crankshaft, and the area of thrust surface in the prior art is by eccentric part size
The problems such as limiting, causing the reliability of shaft unstable.
Summary of the invention
The main purpose of the present invention is to provide a kind of shaft, compressor and air conditioners, to solve in the prior art stop
The problem of pushing surface is worn.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of shaft, comprising: shaft ontology；Partially
Center portion is connected with shaft ontology；Buffer part, buffer part are set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part.
Further, buffer part is projectedly set on thrust surface.
Further, the cross-sectional area of buffer part is less than the area of thrust surface.
Further, open up fluted on thrust surface, buffer part is arranged in the groove, and buffer part is along the groove depth direction of groove
Thickness be greater than groove groove depth depth.
It further, is in camber line or straight line along the center line of the extending direction of groove.
Further, buffer part includes elastic plate body, and elastic plate body is arranged in the groove.
Further, elastic plate body includes retention bead, and retention bead is arranged in the groove.
Further, groove includes: holding tank section, and elastic plate body is set in holding tank section；Limiting slot section, limiting slot section
It is connected with holding tank section, retention bead is set in limiting slot section.
Further, the width of limiting slot section is less than the width of holding tank section.
Further, limiting slot section includes the first limiting slot section and the second limiting slot section, the first end of holding tank section and the
One end of one limiting slot section is connected, and the second end of holding tank section is connected with one end of the second limiting slot section.
Further, thrust surface includes upper thrust surface and lower thrust surface, and buffer part is set to thrust surface and/or lower thrust
On face.
Further, groove is multiple.
According to another aspect of the present invention, a kind of compressor, including shaft are provided, shaft is above-mentioned shaft.
Further, compressor further includes upper bearing (metal) and lower bearing, and buffer part includes the first elastic baffle and the second elasticity
Baffle, thrust surface include upper thrust surface and lower thrust surface, and the first elastic baffle is set on thrust surface, the first elastic baffle with
Upper bearing (metal) clearance fit, the second elastic baffle are set on lower thrust surface and are in contact with lower bearing.
Further, the first elastic baffle and upper bearing (metal) clearance fit, gap L, wherein 0.1mm≤L≤0.2mm.
According to another aspect of the present invention, a kind of air conditioner, including shaft are provided, shaft is above-mentioned shaft.
It applies the technical scheme of the present invention, which includes shaft ontology, eccentric part and buffer part.Eccentric part and shaft sheet
Body is connected.Buffer part is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part.By being arranged in eccentric part thrust
Buffer part on face can effectively prevent shaft from axially going here and there so that buffer part plays mobile buffer function in the axial direction
It is dynamic, thrust sound is eliminated, thrust surface is efficiently avoided and causes thrust surface that abrasion reduction occurs with the generation friction of cylinder other component
The problem of shaft reliability.Improve the stability and reliability of shaft.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram at the first visual angle of the embodiment of shaft according to the present invention；
Fig. 2 shows the structural schematic diagrams at the second visual angle of the embodiment of the shaft in Fig. 1；
Fig. 3 shows the structural schematic diagram of the buffer part of the shaft in Fig. 1；
Fig. 4 shows the schematic cross-sectional view of the buffer part of the shaft in Fig. 3；
Fig. 5 shows the structural schematic diagram of the compressor with the shaft in Fig. 1；And
Fig. 6 shows the structural schematic diagram of the pump body structure of the compressor in Fig. 5.
Wherein, the above drawings include the following reference numerals:
10, shaft ontology；11, long axis；12, short axle；20, eccentric part；21, groove；211, holding tank section；212, limiting slot
Section；2121, the first limiting slot section；2122, the second limiting slot section；30, buffer part；31, retention bead；
1, gas-liquid separator；2, mounting leg；3, lower cover component；4, upper cover；5, shell；6, stator；7, rotor；8, noise reduction
Device；9, upper bearing (metal)；
100, cylinder；101, lower bearing；102, roller；103, crankshaft.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific 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 singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term 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 understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 1 to Fig. 6, according to an embodiment of the invention, providing a kind of shaft.
Specifically, which includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 and 10 phase of shaft ontology
Connection.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.
In the present embodiment, by the buffer part 30 being arranged on 20 thrust surface of eccentric part, so that buffer part 30 is in axial direction
Mobile buffer function is played on direction, can effectively prevent shaft axial motion, is eliminated thrust sound, is efficiently avoided thrust
Face and cylinder other component occur friction and cause thrust surface that the problem of abrasion reduces shaft reliability occurs.It effectively improves and turns
The stability and reliability of axis.
As shown in Figure 1 to Figure 2, buffer part 30 is projectedly set on thrust surface.It is straight to can be avoided thrust surface for setting in this way
It connects and is in contact with the surface of cylinder flange, and then avoid and rub between thrust surface and cylinder flange, effectively increase
The service life and reliability of eccentric part.
As shown in Figure 2, Figure 3 and Figure 4, the cross-sectional area of buffer part 30 is less than the area of thrust surface.Setting equally makes in this way
Buffering can be played the role of by obtaining buffer part 30.It is of course also possible to the lower end of buffer part 30 is embedded on thrust surface, buffer part
The cross section of 30 upper end and the area of thrust surface are consistent, and setting so equally enables to the buffer part 30 equally to play buffering
The problem of preventing eccentric part from rubbing.
In order to which buffer part 30 to be fixed on thrust surface well, fluted 21 are opened up on thrust surface, buffer part 30 is set
It is placed in groove 21, thickness of the buffer part 30 along the groove depth direction of groove 21 is greater than the depth of the groove depth of groove 21.It is arranged in this way
The outside face of buffer part 30 can be made to be higher than thrust surface always.
In order to increase buffer part 30 and the direct contact area of cylinder flange, the center line of the extending direction of groove 21 is set
It is set to camber line or straight line.Setting can increase the stability of eccentric part in this way, improve the reliability of shaft.
It is contacted in order to avoid with cylinder flange rigidity occurs for buffer part 30, buffer part 30 is arranged to elastic plate body, elasticity
Plate body is set in groove 21.Setting is so that be flexible contact when elastic plate body and cylinder flange contact, using such in this way
The way of contact, which makes shaft in the process of running, has better stability and reliability.
As shown in Figure 3 and Figure 4, elastic plate body includes retention bead 31.Retention bead 31 is set in groove 21.It sets in this way
Setting effectively to be fixed on elastic plate body on eccentric part, so that the elastic plate body will not be from bias in the process of running for shaft
It falls off in portion.
As shown in Fig. 2, groove 21 includes holding tank section 211 and limiting slot section 212.Elastic plate body is set to holding tank section
In 211.Limiting slot section 212 is connected with holding tank section 211, and retention bead 31 is set in limiting slot section 212.Energy is set in this way
Enough so that elastic plate body is fixed in groove 21, the stability that shaft has pooling feature is further increased.
It is set to the stability in groove 21 in order to further improve elastic plate body, the width of limiting slot section 212 is set
It is set to the width less than holding tank section 211.It certainly, can also under the premise of there is enough installation spaces on guaranteeing eccentric part
The width of limiting slot section 212 to be set greater than to the width of holding tank section 211.
Specifically, limiting slot section 212 includes the first limiting slot section 2121 and the second limiting slot section 2122.Holding tank section 211
First end be connected with one end of the first limiting slot section 2121, the second end of holding tank section 211 and the second limiting slot section 2122
One end be connected.The both ends of elastic plate body effectively can be passed through the first limiting slot section 2121 and the second limit by setting in this way
Slot section 2122 fixes, and certainly, is respectively arranged with and the first limiting slot section 2121 and second at the both ends of elastic plate body
The retention bead 31 that limiting slot section 2122 matches.
It is please referred to shown in Fig. 1 again, thrust surface includes upper thrust surface A and lower thrust surface B.Buffer part 30 is set to thrust surface
On A and lower thrust surface B.Setting is so that shaft 11 direction of long axis in the axial direction and 12 direction of short axle all have buffering in this way
Portion further improves the stability of shaft.It is of course also possible to be arranged in one of them of upper thrust surface A and lower thrust surface B
Buffer part 30 can equally play the role of the stability for increasing shaft.
In order to further improve the stability of shaft, multiple grooves 21 can be opened up on thrust surface.
From the foregoing, which can also include following examples:
Specifically, which includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 and 10 phase of shaft ontology
Connection.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.Buffer part 30 is projectedly set to
On thrust surface.By the buffer part 30 being arranged on 20 thrust surface of eccentric part, so that buffer part 30 plays shifting in the axial direction
Dynamic buffer function efficiently avoids thrust surface and causes thrust surface that abrasion reduction turn occurs with the generation friction of cylinder other component
The problem of axis reliability.Improve the stability and reliability of shaft.In this way setting can be avoided thrust surface directly with cylinder method
Blue surface is in contact, and then is avoided and rubbed between thrust surface and cylinder flange, and making for eccentric part is effectively increased
Use life and reliability.
Specifically, shaft includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 is connected with shaft ontology 10
It connects.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.Buffer part 30 is projectedly set to only
In pushing surface.Wherein, the cross-sectional area of buffer part 30 is less than the area of thrust surface.It is slow on 20 thrust surface of eccentric part by being arranged in
Rush portion 30 so that buffer part 30 plays mobile buffer function in the axial direction, efficiently avoid thrust surface and cylinder its
His component occurs friction and causes thrust surface that the problem of abrasion reduces shaft reliability occurs.Improve the stability of shaft and reliable
Property.Setting can be avoided thrust surface and directly be in contact with the surface of cylinder flange in this way, and then avoid thrust surface and cylinder
It rubs between flange, effectively increases the service life and reliability of eccentric part.Setting equally enables to this slow in this way
It rushes portion 30 and equally plays the problem of buffering prevents eccentric part from rubbing.
Specifically, shaft includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 is connected with shaft ontology 10
It connects.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.Buffer part 30 is projectedly set to only
In pushing surface.Wherein, the cross-sectional area of buffer part 30 is less than the area of thrust surface.Fluted 21 are opened up on thrust surface, buffer part 30
It is set in groove 21, thickness of the buffer part 30 along the groove depth direction of groove 21 is greater than the depth of the groove depth of groove 21.By setting
The buffer part 30 set on 20 thrust surface of eccentric part has so that buffer part 30 plays mobile buffer function in the axial direction
It avoids to effect thrust surface and cylinder other component occurs friction and causes thrust surface that the problem of abrasion reduces shaft reliability occurs.
Improve the stability and reliability of shaft.Setting can be avoided thrust surface and directly connect with the surface of cylinder flange in this way
Touching, and then avoid and rub between thrust surface and cylinder flange, effectively increase the service life and reliability of eccentric part.
Setting equally enables to the buffer part 30 equally to play the problem of buffering prevents eccentric part from rubbing in this way.
According to another aspect of the present invention, a kind of compressor is provided.The compressor includes shaft.Shaft is above-mentioned implementation
Shaft in example.The shaft includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 is connected with shaft ontology 10
It connects.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.By being arranged in 20 thrust of eccentric part
Buffer part 30 on face efficiently avoids thrust surface so that buffer part 30 plays mobile buffer function in the axial direction
Friction, which occurs, with cylinder other component causes thrust surface that the problem of abrasion reduces shaft reliability occurs.Effectively improve shaft
Stability and reliability.
Specifically, shaft includes shaft ontology 10, eccentric part 20 and buffer part 30.Eccentric part 20 is connected with shaft ontology 10
It connects.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.Buffer part 30 is projectedly set to only
In pushing surface.Wherein, the cross-sectional area of buffer part 30 is less than the area of thrust surface.It is slow on 20 thrust surface of eccentric part by being arranged in
Rush portion 30 so that buffer part 30 plays mobile buffer function in the axial direction, efficiently avoid thrust surface and cylinder its
His component occurs friction and causes thrust surface that the problem of abrasion reduces shaft reliability occurs.Improve the stability of shaft and reliable
Property.Setting can be avoided thrust surface and directly be in contact with the surface of cylinder flange in this way, and then avoid thrust surface and cylinder
It rubs between flange, effectively increases the service life and reliability of eccentric part.Setting equally enables to this slow in this way
It rushes portion 30 and equally plays the problem of buffering prevents eccentric part from rubbing.
According to another aspect of the present invention, a kind of air conditioner is additionally provided.The air conditioner includes compressor, and compressor includes
Shaft, shaft are the shaft of above-described embodiment.Specifically, shaft includes shaft ontology 10, eccentric part 20 and buffer part 30.It is eccentric
Portion 20 is connected with shaft ontology 10.Buffer part 30 is set to the abrasion that thrust surface is reduced on the thrust surface of eccentric part 20.It is slow
Portion 30 is rushed projectedly to be set on thrust surface.Wherein, the cross-sectional area of buffer part 30 is less than the area of thrust surface.It is opened on thrust surface
Equipped with groove 21, buffer part 30 is set in groove 21, and thickness of the buffer part 30 along the groove depth direction of groove 21 is greater than groove 21
Groove depth depth.By the buffer part 30 being arranged on 20 thrust surface of eccentric part, so that buffer part 30 rises in the axial direction
To mobile buffer function, efficiently avoids thrust surface and cylinder other component occurs friction and causes thrust surface that abrasion drop occurs
The problem of low shaft reliability.Improve the stability and reliability of shaft.Setting can be avoided thrust surface directly and gas in this way
The surface of cylinder flange is in contact, and then is avoided and rubbed between thrust surface and cylinder flange, and eccentric part is effectively increased
Service life and reliability.Setting, which equally enables to the buffer part 30 equally to play buffering, in this way prevents eccentric part from rubbing
The problem of wiping.
In compressor operation, crankshaft does high speed rotary motion by rotor drive, and radial constraint condition is in upper bearing (metal)
Hole and lower bearing inner hole, axial constraint condition are upper bearing (metal) lower end surface and lower bearing upper surface, existing design are as follows: by stopping under crankshaft
Pushing surface contacts lower bearing upper surface directly to support crankshaft, upper thrust surface and upper bearing (metal) clearance fit.But compressor operation
In, the high-voltage high-speed gaseous refrigerant meeting impact rotor lower end surface being discharged from cylinder causes rotor and crankshaft to be beated above and below, hits
Hit upper bearing (metal) and lower bearing so as to cause thrust surface wear under crankshaft, there is noise exception, compressor power consumption also increases with it.
In order to solve the technical problems existing in the prior art among the above, a kind of rotary compressor is provided, such as Fig. 5 institute
Show, in rotary compressor work process, rotor 7 is shaft high speed rotation with dynamic crankshaft 103, and upper bearing (metal) 9 and lower bearing 101 constrain
Crankshaft radial motion.Thrust surface is provided with elastic baffle to constrain crankshaft axial movement to crankshaft up and down, and wherein elastic baffle is embedded in
In deep gouge, that is, groove of crankshaft, elastic baffle and the design of crankshaft deep gouge are as depicted in figs. 1 and 2.
Thrust surface is respectively provided with deep gouge to crankshaft up and down, and aperture is arranged in the both ends of deep gouge, and class is arranged in elastic baffle corresponding position
Like the protrusion of pin, elastic baffle passes through as shown in Figure 3 in insertion crankshaft thrust face deep gouge, elastic baffle and crankshaft thrust face mistake
It is full of cooperation, i.e., elasticity is made by deep gouge aperture and elastic baffle protrusion, that is, retention bead 31, deep gouge and elastic baffle interference fit
Baffle is fixed with crankshaft, prevents elastic baffle movable in deep gouge.Elastic baffle and crankshaft form crankshaft group.
Elastic baffle is elastic steel element, can buffer crankshaft vibration up and down.And material have excellent wearability, with it is upper
Lower bearing contact surface is smooth, required precision with higher, to reduce friction of the compressor operation in the process with metal (upper.
Compressor installation diagram is as shown in fig. 6, elastic baffle and 9 clearance fit of upper bearing (metal), but gap guarantees 0.1-
Within 0.2mm.Elastic baffle is contacted with lower bearing 101.Because elastic baffle is elastic steel element, it can effectively buffer crankshaft and jump up and down
Dynamic bring is hit, and it is abnormal to prevent noise, while being reduced abrasion, being reduced spin friction power consumption, is separately prevented between crankshaft and bearing
It does not contact, improves compressor reliability.I.e. compressor further includes upper bearing (metal) 9 and lower bearing 101, and buffer part 30 includes the first elasticity
Baffle and the second elastic baffle, thrust surface include upper thrust surface and lower thrust surface, and the first elastic baffle is set on thrust surface,
First elastic baffle and 9 clearance fit of upper bearing (metal), the second elastic baffle are set on lower thrust surface and connect with lower bearing 101
Touching, muffler 8 are located at the upper of upper bearing (metal) 9, and cylinder 100 is set between upper bearing (metal) 9 and lower bearing 101, and gas-liquid separator 1 goes out
Mouth end is connected with cylinder air entry, and roller 102 is set in cylinder.Crankshaft axial motion is prevented, thrust sound is eliminated, reduces pressure
Contracting machine power consumption improves compressor reliability.Elastic baffle is set, and constraint crankshaft is axially moved, and prevents abrasion and noise abnormal, drop
Low compressor power consumption improves compressor reliability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of shaft characterized by comprising
Shaft ontology (10)；
Eccentric part (20) is connected with the shaft ontology (10)；
Buffer part (30), the buffer part (30) are set on the thrust surface of the eccentric part (20) to reduce the thrust surface
Abrasion；
The buffer part (30) is projectedly set on the thrust surface；
It is opened up on the thrust surface fluted (21), the buffer part (30) is set in the groove (21), the buffer part
(30) thickness along the groove depth direction of the groove (21) is greater than the depth of the groove depth of the groove (21)；
The buffer part (30) includes elastic plate body, and the elastic plate body is set in the groove (21), the elastic plate body
Including retention bead, the retention bead is set in the groove (21)；
The groove (21) includes:
Holding tank section (211), the elastic plate body are set in the holding tank section (211)；
Limiting slot section (212), the limiting slot section (212) are connected with the holding tank section (211), the retention bead setting
In the limiting slot section (212)；
The cross-sectional area of the buffer part (30) is less than the area of the thrust surface.
2. shaft according to claim 1, which is characterized in that the center line along the extending direction of the groove (21) is in arc
Line or straight line.
3. shaft according to claim 1, which is characterized in that the width of the limiting slot section (212) is less than the receiving
The width of slot section (211).
4. shaft according to claim 1, which is characterized in that the limiting slot section (212) includes the first limiting slot section
(2121) and the second limiting slot section (2122), the first end of the holding tank section (211) and the first limiting slot section (2121)
One end be connected, the second end of the holding tank section (211) is connected with one end of the second limiting slot section (2122).
5. shaft according to claim 1, which is characterized in that the thrust surface includes upper thrust surface and lower thrust surface, institute
Buffer part (30) is stated to be set on the upper thrust surface and/or lower thrust surface.
6. shaft according to claim 1, which is characterized in that the groove (21) is multiple.
7. a kind of compressor, including shaft, which is characterized in that the shaft is described in any one of claims 1 to 6 turn
Axis.
8. compressor according to claim 7, which is characterized in that the compressor further includes upper bearing (metal) (9) and lower bearing
(101), the buffer part (30) includes the first elastic baffle and the second elastic baffle, and the thrust surface includes upper thrust surface under
Thrust surface, first elastic baffle are set on the upper thrust surface, between first elastic baffle and the upper bearing (metal) (9)
Gap cooperation, second elastic baffle are set on the lower thrust surface and are in contact with the lower bearing (101).
9. compressor according to claim 8, which is characterized in that between first elastic baffle and the upper bearing (metal) (9)
Gap cooperation, the gap are L, wherein 0.1mm≤L≤0.2mm.
10. a kind of air conditioner, including shaft, which is characterized in that the shaft is described in any one of claims 1 to 6 turn
Axis.
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| CN201610978297.8A CN106438368B (en) | 2016-11-07 | 2016-11-07 | rotating shaft, compressor and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610978297.8A CN106438368B (en) | 2016-11-07 | 2016-11-07 | rotating shaft, compressor and air conditioner |
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| CN106438368A CN106438368A (en) | 2017-02-22 |
| CN106438368B true CN106438368B (en) | 2018-12-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730188B (en) * | 2017-04-18 | 2024-04-19 | 谷轮环境科技（苏州）有限公司 | Drive shaft for compressor and compressor |
| CN107514365B (en) * | 2017-09-29 | 2024-02-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor with same |
| CN109469679A (en) * | 2018-11-23 | 2019-03-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft group, pump body structure and compressor |
| CN112128134A (en) * | 2020-08-26 | 2020-12-25 | 神通科技集团股份有限公司 | Thrust structure for preventing axial movement of water pump rotor |
| CN113389729B (en) * | 2021-07-13 | 2022-11-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure, compressor and air conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202579196U (en) * | 2012-03-14 | 2012-12-05 | 珠海格力电器股份有限公司 | Compressor capable of reducing friction loss |
| CN206221264U (en) * | 2016-11-07 | 2017-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotating shaft, compressor and air-conditioner |
-
2016
- 2016-11-07 CN CN201610978297.8A patent/CN106438368B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202579196U (en) * | 2012-03-14 | 2012-12-05 | 珠海格力电器股份有限公司 | Compressor capable of reducing friction loss |
| CN206221264U (en) * | 2016-11-07 | 2017-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotating shaft, compressor and air-conditioner |
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| CN106438368A (en) | 2017-02-22 |
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