CN106593873B - Eccentric adjustable mechanism and compressor with it - Google Patents
Eccentric adjustable mechanism and compressor with it Download PDFInfo
- Publication number
- CN106593873B CN106593873B CN201611070695.6A CN201611070695A CN106593873B CN 106593873 B CN106593873 B CN 106593873B CN 201611070695 A CN201611070695 A CN 201611070695A CN 106593873 B CN106593873 B CN 106593873B
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- eccentric
- adjustable mechanism
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- eccentric part
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- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 239000011324 bead Substances 0.000 claims abstract description 38
- 230000014759 maintenance of location Effects 0.000 claims abstract description 38
- 210000002421 cell wall Anatomy 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of eccentric adjustable mechanism and with its compressor.Eccentric adjustable mechanism includes: driving section and eccentric part.It opens up fluted on driving section, is formed with retention bead on the cell wall of groove.Partial eccentric part is located in groove and matches with retention bead, the deflection angle that retention bead is rotated to limit eccentric part relative to driving section.Using the eccentric adjustable mechanism, the friction between driving section and eccentric part can be effectively reduced, increases the degree of regulation and service life of the eccentric adjustable mechanism.
Description
Technical field
The present invention relates to compressor apparatus technical field, in particular to a kind of eccentric adjustable mechanism and with its
Compressor.
Background technique
In the prior art, eccentric shoe both sides are straight flange, and in addition both sides are curved surface, and sliding block can be reciprocal along two straight flanges
It is mobile, play the adjustment effect of radial seal and eccentricity.Sliding block may be amesiality during assembly, when causing starting
Load increases.There are face and face contact friction pair between crank-pin and eccentric bushing, drive surface stress is larger, the reciprocating motion of sliding block
The abrasion between crank-pin and eccentric bushing can be increased.
Summary of the invention
The main purpose of the present invention is to provide a kind of eccentric adjustable mechanism and with its compressor, to solve existing skill
In art between crank-pin and eccentric bushing the problem of existing abrasion.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of eccentric adjustable mechanism, comprising: pass
Dynamic portion, opens up on driving section fluted, is formed with retention bead on the cell wall of groove；Eccentric part, the eccentric part of part are located at recessed
It is matched in slot and with retention bead, the deflection angle that retention bead is rotated to limit eccentric part relative to driving section.
Further, eccentric part includes: linkage section, and eccentric part is connected by linkage section with driving section, and linkage section is located at
In groove, limiting groove is provided on linkage section, retention bead is matched with limiting groove.
Further, the area of the cross section of linkage section is less than the area of the cross section of groove.
Further, retention bead extends along the groove depth direction of groove.
Further, the outer peripheral surface of retention bead is in the first arcwall face structure.
Further, the area of the cross section of retention bead is S1, wherein 0.5 π r of S1 >1 2, wherein r1For the first arc
The radius of circle where the structure of face.
Further, the inner peripheral surface of limiting groove is in the second arcwall face structure.
Further, the area of the cross section of limiting groove is S2, wherein 0.5 π r of S2 >2 2, wherein r2For the second arc
The radius of circle where the structure of face.
Further, limiting groove and retention bead clearance fit.
Further, driving section includes shaft, and groove is opened on the end of shaft.
Further, eccentric part includes: eccentric bodies, and linkage section is set on eccentric bodies；Eccentric cam, eccentric cam
It is set on the surface opposite with surface where linkage section, eccentric cam and linkage section eccentric setting.
Further, oil supply gallery is provided in driving section, oil supply gallery is connected with groove.
According to another aspect of the present invention, a kind of compressor, including eccentric adjustable mechanism are provided, eccentric adjustable mechanism is
Above-mentioned eccentric adjustable mechanism.
Further, eccentric part is provided with eccentric cam, and compressor includes orbiter, and orbiter is set to eccentric convex
On wheel, retention bead limits the eccentricity between orbiter and driving section by deflection angle.
Further, eccentric part is deflected by fulcrum of retention bead, when eccentric part deflects to the first pole towards first direction
When extreme position, the eccentricity between orbiter and driving section is e1, when eccentric part direction is inclined in the opposite direction with first party
When going to the second extreme position, the eccentricity between orbiter and driving section is e2, wherein e1 < e2.
Further, compressor further includes fixed scroll, and fixed scroll is matched with orbiter, fixed scroll and dynamic whirlpool
Capstan have eccentric amount e 3, wherein e1 < e3 < e2, at this point, the linkage section of the upper setting of eccentric part not with the cell wall phase of groove
Contact.
Further, compressor includes: bearing, and bearing is set on eccentric part, and orbiter is set on bearing.
It applies the technical scheme of the present invention, which includes driving section and eccentric part.It is offered on driving section
Groove is formed with retention bead on the cell wall of groove.Partial eccentric part is located in groove and matches with retention bead, limits
The deflection angle that protrusion is rotated to limit eccentric part relative to driving section.Using the eccentric adjustable mechanism, can effectively reduce
Friction between driving section and eccentric part increases the degree of regulation and service life of the eccentric adjustable mechanism.
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 of the embodiment of eccentric part according to the present invention；
Fig. 2 shows eccentric parts in Fig. 1 and shaft, the assembling structure schematic diagram of bearing, orbiter；
Fig. 3 shows the schematic cross-sectional view of eccentric part and shaft assembly in Fig. 1；
Fig. 4 shows the schematic cross-sectional view of the embodiment of driving section according to the present invention；
Fig. 5 shows the linkage section schematic cross-sectional view of eccentric part in Fig. 1；
The schematic cross-sectional view when linkage section that Fig. 6 shows eccentric part in Fig. 1 turns left to extreme position；
The schematic cross-sectional view when linkage section that Fig. 7 shows eccentric part in Fig. 1 turns right to extreme position；
Fig. 8 shows the schematic cross-sectional view when linkage section of eccentric part and driving section do not contact in Fig. 1；
Fig. 9 shows the structural schematic diagram of compression of the compressor according to the present invention under the conditions of with impurity；And
Figure 10 shows the structural schematic diagram of the compression of compressor according to the present invention under normal operation.
Wherein, the above drawings include the following reference numerals:
10, driving section；11, groove；12, retention bead；13, oil supply gallery；20, eccentric part；21, linkage section；22, eccentric
Ontology；23, eccentric cam；211, limiting groove；30, orbiter；40, bearing.
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 Fig. 1 to Figure 10, according to an embodiment of the invention, providing a kind of eccentric adjustable mechanism.
Specifically, which includes driving section 10 and eccentric part 20.Open up fluted 11 on driving section 10, it is recessed
Retention bead 12 is formed on the cell wall of slot 11.Partial eccentric part 20 is located in groove 11 and matches with retention bead 12,
The deflection angle that retention bead 12 is rotated to limit eccentric part 20 relative to driving section 10.
In the present embodiment, it using the eccentric adjustable mechanism, can effectively reduce between driving section 10 and eccentric part 20
Friction, increase the degree of regulation and service life of the eccentric adjustable mechanism.
As shown in figures 1 and 3, eccentric part 20 includes linkage section 21.Eccentric part 20 passes through linkage section 21 and 10 phase of driving section
Connection, linkage section 21 are located in groove 11, and limiting groove 211, retention bead 12 and limiting groove 211 are provided on linkage section 21
It matches.Setting enables to driving section 10 to cooperate by the limit of retention bead 12 and limiting groove 211 in this way, thus passing
Dynamic portion 10 drives eccentric part 20 to rotate together when rotating, so that eccentric part 20, which rotates, then realizes eccentric effect.
In order to avoid excessive touch opportunity occurs for the cell wall of linkage section 21 and limiting groove 211, by the cross of linkage section 21
The area in section is set smaller than the area of the cross section of groove 11.
In order to increase the reliability connecting between eccentric part 20 and driving section 10, retention bead 12 is arranged to along groove
11 groove depth direction extends.
In order to further improve the eccentric precision of eccentric part 20, the outer peripheral surface of retention bead 12 is arranged to the first arc
Face structure.
Preferably, the area of the cross section of retention bead 12 is S1, wherein 0.5 π r of S1 >1 2, wherein r1For the first arc
The radius of circle where the structure of face.Setting can increase the limit strength and rigidity of retention bead 12 in this way, so that the driving section exists
The problem of failure will not be sent out during long-time service, increase the service life of the eccentric adjustable mechanism.
In order to enable eccentric part 20 and driving section 10 can be realized good cooperation, the inner peripheral surface by limiting groove 211 is in
Second arcwall face structure.
Preferably, the area of the cross section of limiting groove 211 is S2, wherein 0.5 π r of S2 >2 2, wherein r2For the second arc
The radius of circle where the structure of shape face.Setting can equally increase the reliability connected between driving section 10 and eccentric part 20 in this way.
In order to further improve the installation accuracy between driving section 10 and eccentric part 20, by limiting groove 211 and limit
Protrusion 12 is arranged to clearance fit.
Preferably, as shown in Fig. 2, driving section 10 includes shaft, groove 11 is opened on the end of shaft.Energy is set in this way
The stability connected between shaft and eccentric part 20 very reliability is enough effectively improved, the compressor with the shaft is increased
Service life.
In order to further improve the precision of eccentric part 20, eccentric part 20 is arranged to include that eccentric bodies 22 and bias are convex
Wheel 23.Linkage section 21 is set on eccentric bodies 22.Eccentric cam 23 is set to the surface opposite with 21 place surface of linkage section
On, eccentric cam 23 and 21 eccentric setting of linkage section.
Eccentric adjustable mechanism in above-described embodiment can be also used for compressor apparatus technical field, i.e., according to the present invention
On the other hand, a kind of compressor is provided.The compressor includes eccentric adjustable mechanism, and eccentric adjustable mechanism is in above-described embodiment
Eccentric adjustable mechanism.
Specifically, which includes driving section 10 and eccentric part 20.Open up fluted 11 on driving section 10, it is recessed
Retention bead 12 is formed on the cell wall of slot 11.Partial eccentric part 20 is located in groove 11 and matches with retention bead 12,
The deflection angle that retention bead 12 is rotated to limit eccentric part 20 relative to driving section 10.It, can using the eccentric adjustable mechanism
The friction between driving section 10 and eccentric part 20 is effectively reduced, the degree of regulation of the eccentric adjustable mechanism is increased and uses the longevity
Life.
Wherein, eccentric part 20 is provided with eccentric cam 23, and compressor includes orbiter 30, and orbiter 30 is set to partially
On cardiac prominence wheel 23, retention bead 12 limits the eccentricity between orbiter 30 and driving section 10 by deflection angle.It sets in this way
Setting can be inclined between orbiter 30 and driving section 10 to limit in the deflection angle in groove 11 by limitation eccentric part 20
Heart amount can further improve the compression performance of the compressor.Wherein, within the compressor, driving section 10 is generally shaft.
As shown in Fig. 2, compressor includes bearing 40.Bearing 40 is set on eccentric part 20, and orbiter 30 is set to axis
It holds on 40.Setting can increase the stability and reliability of orbiter 30 in this way.
In the prior art, the eccentric part of scroll compression machine crankshaft is generally divided into fixed eccentric structure and adjustable bias
Structure.In fixed eccentric structure, the orbiter with bearing arrangement is inserted into eccentric part, and compressor moves during running
The eccentricity of scroll plate is always maintained at constant.In order to solve this problem, in the present embodiment, as shown in Fig. 4 to Fig. 8, eccentric part
20 with retention bead 12 be fulcrum deflection, when eccentric part 20 deflects to the first extreme position towards first direction, orbiter
Eccentricity between 30 and driving section 10 is e1, when eccentric part 20 towards deflecting to second limit with first party in the opposite direction
When position, the eccentricity between orbiter 30 and driving section 10 is e2, wherein e1 < e2.Compressor further includes fixed scroll,
Fixed scroll is matched with orbiter 30, and fixed scroll and orbiter 30 have an eccentric amount e 3, and eccentric part 20 is from the first pole
During extreme position deflects to the second extreme position, wherein e1 < e3 < e2, at this point, the connection of the upper setting of eccentric part 20
Section 21 is not in contact with the cell wall of groove 11.The compressor being arranged in this way is the compressor with adjustable eccentric structure,
Eccentric part is set between orbiter and crankshaft, during compressor is run eccentric part can satisfy in a small range sliding or
Person's rotation, at the same time, the eccentricity of orbiter have small-scale variation, such mistake for being advantageous in that compressor operation
Cheng Zhong, eccentric part deflect into side under the influence of centrifugal force, play the effect for strengthening sealing, while working as and impurity effect pressure occur
When contracting, eccentricity can be changed correspondingly, avoid because impurity caused by Pump Body Parts damage (as shown in Figure 9 and Figure 10, wherein
B in Fig. 9 indicates impurity).
The compressor being arranged in this way can efficiently control the eccentric precision when assembly of eccentric bushing base eccentric part, can control
The method of operation of eccentric bushing reduces the abrasion of crankshaft, that is, between shaft eccentric part and eccentric bushing.Crankshaft end opens up groove, eccentric
Set is both ends eccentric structure, and the lower eccentric part of eccentric bushing is inserted directly into the inside grooves of crankshaft in assembling process.In crankshaft and partially
The heart is put on opens up eccentric arc structure respectively, and eccentric precision when eccentric bushing assembly is controlled by two arc structures (in such as Fig. 5
Shown in A).Circular arc on crankshaft and eccentric bushing is all larger than 1/2 circular arc, so that eccentric bushing can only rotate after specially matching.Its
In, the way of contact between crankshaft and eccentric bushing can be line contact, point contact.
As depicted in figs. 1 and 2, eccentric bushing, that is, eccentric part has both ends eccentric structure, upper eccentric part and lower eccentric part, upper inclined
The bearing hole of center portion and bearing fit, bearing and orbiter cooperates, and lower eccentric part is assemblied in the groove of crankshaft, motor driven
Crankshaft operation, while eccentric bushing being driven to operate, eccentric bushing drives orbiter to realize eccentric operating.
The groove of crankshaft and lower eccentric part are respectively equipped with arc surface, and the arc surface of evagination is arranged on crankshaft, as shown in Fig. 2,
The arc surface of indent is set on lower eccentric part, and two arc surface small―gap suture cooperations effectively limit crankshaft and eccentric bushing in circle
The assembly precision of cambered surface radially, the assembly precision between the two are got higher, the center of upper eccentric part and the centre distance deviation of crankshaft
Measure small, i.e. eccentricity departure is small, and compressor start torque is small.On the contrary, if rigging error between crankshaft and eccentric bushing compared with
Greatly, eccentric magnitude deviation is larger, and when compressor start, dynamic and static scroll wrap side wall may be in contact, and cause compressor start power
Square is bigger than normal.
As shown in figure 3, crankshaft center opens up oil supply gallery 13, refrigeration oil enters the groove of crankshaft by oil supply gallery 13
It is interior, lower eccentric part is lubricated, simultaneously because crankshaft groove is more bigger than lower eccentric part, lubricating oil is flowed out from interstitial site, lubricates the pump housing
Deng other components, this structure lubrication is good, effectively reduces the frictional dissipation of eccentric part position.
The groove of crankshaft is more bigger than lower eccentric part, and lower eccentric part, can be with as origin using the center of arc surface relative to crankshaft
The rotation of low-angle.Since the groove of crankshaft is more bigger than lower eccentric part, there is the relative position of crankshaft and eccentric bushing in assembling process
Three kinds: not contacted between crankshaft and eccentric bushing；Eccentric bushing rotates to the left extreme position relative to crankshaft；Eccentric bushing is relative to song
Axial right side rotates to extreme position.
As shown in Fig. 4 to Fig. 8, when not contacting between crankshaft and eccentric bushing, the eccentricity of orbiter is e3 (dynamic vortex
The center o2 of disk is eccentricity at a distance from crankshaft center o1).When eccentric bushing rotates to the left extreme position relative to crankshaft,
P2, P3 on crankshaft are contacted with P7, P6 of eccentric bushing respectively, and eccentricity at this time is e1.When eccentric bushing relative to crankshaft to the right
When rotating to extreme position, P1, P4 on crankshaft are contacted with P5, P8 of eccentric bushing respectively, and eccentricity at this time is e2；Eccentricity
Meet e1 < e3 < e2.During compressor is run, eccentric bushing deflects into side under the influence of centrifugal force, when there is impurity
When influencing compression, eccentric bushing will deflect round about under the action of extruding force, automatically adjust the size of eccentricity, effectively
Avoid the pump housing caused by abnormal compression damage.
In addition, the moment of compressor start, eccentric bushing is controlling two extreme position intrinsic deflections relative to crankshaft, until pressure
Contracting machine operates normally, and the position of eccentric bushing can just be fixed on a certain position, during this two circular arcs of eccentric part and crankshaft it
Between occur line contact friction, relative to face contact friction for, frictional dissipation is smaller.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
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 (15)
1. a kind of eccentric adjustable mechanism characterized by comprising
Driving section (10) opens up fluted (11) on the driving section (10), is formed with limit on the cell wall of the groove (11)
Raised (12)；
Eccentric part (20), the eccentric part (20) of part are located in the groove (11) and match with the retention bead (12)
It closes, the deflection angle that the retention bead (12) rotates to limit the eccentric part (20) relative to the driving section (10)；
The eccentric part (20) includes:
Linkage section (21), the eccentric part (20) are connected by the linkage section (21) with the driving section (10), the company
It connects section (21) to be located in the groove (11), is provided with limiting groove (211), the retention bead on the linkage section (21)
(12) it is matched with the limiting groove (211)；
Eccentric bodies (22), the linkage section (21) are set on the eccentric bodies (22)；
Eccentric cam (23), the eccentric cam (23) are set on the surface opposite with surface where the linkage section (21),
The eccentric cam (23) and the linkage section (21) eccentric setting.
2. eccentric adjustable mechanism according to claim 1, which is characterized in that the area of the cross section of the linkage section (21)
Less than the area of the cross section of the groove (11).
3. eccentric adjustable mechanism according to claim 1, which is characterized in that the retention bead (12) is along the groove
(11) groove depth direction extends.
4. eccentric adjustable mechanism according to claim 3, which is characterized in that the outer peripheral surface of the retention bead (12) is in the
One arcwall face structure.
5. eccentric adjustable mechanism according to claim 4, which is characterized in that the face of the cross section of the retention bead (12)
Product is S1, wherein 0.5 π r of S1 >1 2, wherein the r1For the radius of circle where the first arcwall face structure.
6. eccentric adjustable mechanism according to any one of claim 1 to 5, which is characterized in that the limiting groove (211)
Inner peripheral surface be in the second arcwall face structure.
7. eccentric adjustable mechanism according to claim 6, which is characterized in that the cross section of the limiting groove (211)
Area is S2, wherein 0.5 π r of S2 >2 2, wherein the r2For the radius of circle where the second arcwall face structure.
8. eccentric adjustable mechanism according to claim 1, which is characterized in that the limiting groove (211) and the limit
Raised (12) clearance fit.
9. eccentric adjustable mechanism according to claim 1, which is characterized in that the driving section (10) includes shaft, described
Groove (11) is opened on the end of the shaft.
10. eccentric adjustable mechanism according to claim 1, which is characterized in that be provided with fuel feeding in the driving section (10)
Channel (13), the oil supply gallery (13) are connected with the groove (11).
11. a kind of compressor, including eccentric adjustable mechanism, which is characterized in that the eccentric adjustable mechanism is claims 1 to 10
Any one of described in eccentric adjustable mechanism.
12. compressor according to claim 11, which is characterized in that the eccentric part (20) is provided with eccentric cam
(23), the compressor includes orbiter (30), and the orbiter (30) is set on the eccentric cam (23), described
Retention bead (12) limits the eccentricity between the orbiter (30) and the driving section (10) by the deflection angle.
13. compressor according to claim 12, which is characterized in that the eccentric part (20) is with the retention bead (12)
For fulcrum deflection, when the eccentric part (20) deflects to the first extreme position towards first direction, the orbiter (30)
Eccentricity between the driving section (10) is e1, when the eccentric part (20) direction deflects in the opposite direction with first party
When to the second extreme position, the eccentricity between the orbiter (30) and the driving section (10) is e2, wherein e1 <
e2。
14. compressor according to claim 13, which is characterized in that the compressor further includes fixed scroll, described quiet
Scroll plate is matched with the orbiter (30), and the fixed scroll and the orbiter (30) have eccentric amount e 3,
In, e1 < e3 < e2, at this point, the linkage section (21) of the upper setting of the eccentric part (20) the not cell wall phase with the groove (11)
Contact.
15. compressor described in any one of 2 to 14 according to claim 1, which is characterized in that the compressor includes:
Bearing (40), the bearing (40) are set on the eccentric part (20), and the orbiter (30) is set to the axis
It holds on (40).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070695.6A CN106593873B (en) | 2016-11-28 | 2016-11-28 | Eccentric adjustable mechanism and compressor with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070695.6A CN106593873B (en) | 2016-11-28 | 2016-11-28 | Eccentric adjustable mechanism and compressor with it |
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| Publication Number | Publication Date |
|---|---|
| CN106593873A CN106593873A (en) | 2017-04-26 |
| CN106593873B true CN106593873B (en) | 2019-03-19 |
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| CN201611070695.6A Active CN106593873B (en) | 2016-11-28 | 2016-11-28 | Eccentric adjustable mechanism and compressor with it |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0979149A (en) * | 1995-09-11 | 1997-03-25 | Sanyo Electric Co Ltd | Scroll compressor |
| KR100343733B1 (en) * | 2000-03-08 | 2002-07-20 | 엘지전자주식회사 | Radial direction sealing device for scroll compressor |
| KR100400573B1 (en) * | 2001-08-22 | 2003-10-08 | 엘지전자 주식회사 | Variable amount control apparatus for scroll compressor |
| CN101089392A (en) * | 2006-06-15 | 2007-12-19 | 上海三电贝洱汽车空调有限公司 | Drive mechanism for vehicle tubocompressor |
| CN202065328U (en) * | 2011-05-25 | 2011-12-07 | 常州市润源经编机械有限公司 | Eccentric shaft |
| CN206221272U (en) * | 2016-11-28 | 2017-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Eccentric adjustable mechanism and the compressor with it |
-
2016
- 2016-11-28 CN CN201611070695.6A patent/CN106593873B/en active Active
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| CN106593873A (en) | 2017-04-26 |
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