KR20150109629A - Assembly device for pulley in clutchless compressor - Google Patents
Assembly device for pulley in clutchless compressor Download PDFInfo
- Publication number
- KR20150109629A KR20150109629A KR1020140032602A KR20140032602A KR20150109629A KR 20150109629 A KR20150109629 A KR 20150109629A KR 1020140032602 A KR1020140032602 A KR 1020140032602A KR 20140032602 A KR20140032602 A KR 20140032602A KR 20150109629 A KR20150109629 A KR 20150109629A
- Authority
- KR
- South Korea
- Prior art keywords
- pulley
- damper
- assembly
- limit assembly
- hole
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0895—Component parts, e.g. sealings; Manufacturing or assembly thereof driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
- F05B2260/962—Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Abstract
It is possible to eliminate the excessive pressing phenomenon of the rotary shaft caused by the cumulative tolerance occurring at the assembly site between the pulley that is idly rotatable with respect to the housing of the compressor and the limit assembly that is directly coupled to the rotary shaft of the compressor, Which is capable of suppressing the occurrence of abnormal noise while preventing a reduction in the output torque of the clutchless compressor.
The pulley assembly of the clutchless compressor includes a limit assembly 20 coupled to the pulley 10 to transmit the driving force provided from the pulley 10 to the rotary shaft 30, A damper 60 inserted into the assembly hole 12 of the pulley 10 for engagement between the limit assembly 20 and the bolt 20, and a damper 60 inserted into the assembly hole 62 of the damper 60, The damper 60 has a protruding end portion 64 projecting outwardly around the assembly hole 62 so that the flange of the holder 70 (S) for axial deformation between itself and the elastic member (72).
Description
The present invention relates to an apparatus for assembling a pulley of a clutchless compressor, and more particularly, to a pulley assembly apparatus for a pulley assembly of a clutchless compressor, The present invention relates to a pulley assembling apparatus for a clutchless compressor which can prevent a reduction in the operating performance of the compressor and suppress the occurrence of abnormal noise by eliminating excessive pressing of the rotating shaft caused by cumulative tolerances occurring in the region.
2. Description of the Related Art Generally, compressors for compressing a refrigerant in a vehicle cooling system have been developed in various forms. In such a compressor, there are a reciprocating type in which a refrigerant is compressed and a reciprocating type in which a refrigerant is compressed, There is a rotary that performs.
The reciprocating compressor includes a crank type in which a driving force of a drive source is transmitted to a plurality of pistons using a crank, a swash plate type in which a swash plate is transmitted, and a wobble plate type in which a wobble plate is used. A vane rotary type using a rotary shaft and a vane, and a scroll type using a revolving scroll and a fixed scroll.
The swash plate type compressor includes a fixed displacement type in which the installation angle of the swash plate is fixed and a variable displacement type in which the discharge displacement can be changed by changing the inclination angle of the swash plate. Since the compressor is driven by receiving the power from the rotational force of the automobile engine, the fixed capacity type compressor includes an electromagnetic clutch in the power transmission system to control the operation of the compressor. However, in the case of a compressor equipped with an electromagnetic clutch, the number of engine revolutions of the vehicle flows at the time of driving or at the time of stop, thereby obstructing the stable operation of the vehicle.
Accordingly, in the prior art, the swash plate is always rotated with driving of the engine without a clutch capable of interrupting the transmission of the power, and the inclination angle of the swash plate is interlocked with the rotation speed of the engine to change the discharge capacity of the refrigerant variably A variable capacity type swash plate type compressor is mainly used.
On the other hand, in recent years, a clutchless compressor has been proposed, which can protect the compressor by artificially interrupting the path of the power transmission system for protecting the compressor when the torque supplied to the compressor from the outside is excessive, The configuration of the power transmission system is as shown in Fig.
Referring to FIG. 1, a conventional clutchless compressor includes a
FIG. 2 is a perspective view illustrating various fastening parts for coupling the
The
The
The
FIG. 3 is a cross-sectional view schematically showing a partially enlarged joint between a pulley and a limit assembly in a power transmission system of the clutchless compressor shown in FIG. 1. FIG. Referring to FIG. 3, in the power transmission system of the clutchless compressor, since the assembled portion between the
The cumulative tolerance occurring at the assembled portion of such components may cause excessive torque when the
As a result, in the conventional clutchless compressor, the fastening to the assembled portion between the
SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a compressor which is capable of idling with respect to a front housing located in front of a cylinder block of a compressor, The excessive compression of the rotary shaft caused by the cumulative tolerance occurring at the assembly portion between the limit assembly that is directly coupled to the rotary shaft that rotates through the driving force and compresses the refrigerant to the high pressure and is damaged when the excessive torque is transmitted from the outside, And it is an object of the present invention to provide an apparatus for assembling a pulley of a clutchless compressor, which can prevent the occurrence of abnormal noise while preventing deterioration of the operating performance of the compressor.
According to an aspect of the present invention, there is provided a limit assembly including a limit assembly coupled to a pulley to transmit a driving force provided from the pulley to a rotary shaft, a damper inserted into an assembly hole of the pulley for engagement between the pulley and the limit assembly, And a holder inserted into an assembly hole of the damper and coupled to the limit assembly via a bolt, wherein the damper includes a protruding end protruding outwardly around the assembly hole, And a clearance space for axial deformation is formed between the flange and the flange of the holder, and the protruding end portion is formed so as to protrude outwardly concentrically over the entire circumference of the assembly hole.
According to another embodiment of the present invention, there is provided a limit assembly, comprising: a limit assembly coupled to a pulley to transmit a driving force provided from the pulley to a rotary shaft; a damper inserted into an assembly hole of the pulley for engagement between the pulley and the limit assembly; And a holder inserted into an assembly hole of the damper and coupled to the limit assembly via a bolt, wherein the holder has a protruding end protruding outward from one surface of the flange, And a protruding end portion protruding outwardly concentrically from the one side of the flange over the entire circumference of the collar.
According to another embodiment of the present invention, there is provided a limit assembly, comprising: a limit assembly coupled to a pulley to transmit a driving force provided from the pulley to a rotary shaft; a damper inserted into an assembly hole of the pulley for engagement between the pulley and the limit assembly; And a holder inserted into an assembly hole of the damper and coupled to the limit assembly through a bolt, wherein the damper includes a recessed portion that is recessed inwardly from one surface of the pulley toward an assembly hole of the clutchless compressor, And a clearance space for axial deformation is formed between the pulley and the contact surface inside the assembly hole of the pulley, and the recess is formed in a concave form over the entire circumference of the assembly hole of the damper.
According to another embodiment of the present invention, there is provided a limit assembly, comprising: a limit assembly coupled to a pulley to transmit a driving force provided from the pulley to a rotary shaft; a damper inserted into an assembly hole of the pulley for engagement between the pulley and the limit assembly; And a holder inserted into an assembly hole of the damper and coupled to the limit assembly via a bolt, wherein the pulley includes a concave portion that is recessed inward from one surface of the pulley toward the damper, And a clearance space for axial deformation is formed between the pulley and the contact surface, and the concave portion is formed in a concave shape with respect to the seating surface on the bottom surface of the assembly hole of the pulley.
The pulley assembly device of the clutchless compressor according to the present invention comprises a pulley mounted idly rotatably with respect to a front housing disposed in front of a cylinder block of the compressor and provided with driving force from the outside, A clearance space in the axial direction toward the rotary shaft of the compressor is provided between the parts located at the assembly part between the limit assembly that is directly coupled to the rotary shaft that rotates and compresses the refrigerant to the high pressure and is damaged when the excessive torque is transmitted from the outside to protect the compressor It is possible to eliminate the excessive pressing of the rotary shaft due to excessive fastening at the fastening portion due to the cumulative tolerance of the components occurring at the assembled portion between the pulley and the limit assembly.
As a result, according to the present invention, it is possible to eliminate an excessive pressing phenomenon of the rotary shaft through the setting of the axial clearance space provided at the assembly portion between the pulley of the compressor and the limit assembly, so that the operation performance of the compressor can be prevented from being lowered And an abnormal noise generated during operation of the compressor can be remarkably reduced.
1 is a cross-sectional view schematically showing a partially enlarged configuration of a power transmission system of a conventional clutchless compressor.
FIG. 2 is a perspective view showing a coupling part for coupling a limit assembly to a pulley in the power transmission system of the clutchless compressor shown in FIG. 1; FIG.
FIG. 3 is a cross-sectional view schematically showing a partially enlarged joint between a pulley and a limit assembly in a power transmission system of the clutchless compressor shown in FIG. 1. FIG.
FIG. 4 is a schematic cross-sectional view of a clutchless compressor according to a first embodiment of the present invention, in which only a fastening portion between a pulley and a limit assembly is partially enlarged.
5 is a perspective view showing in detail the structure of the damper shown in Fig.
FIG. 6 is a cross-sectional view schematically showing a partially enlarged joint between a pulley and a limit assembly in a clutchless compressor according to a second embodiment of the present invention. FIG.
7 is a perspective view showing in detail the structure of the holder shown in Fig.
FIG. 8 is a cross-sectional view schematically showing only a joint portion between a pulley and a limit assembly in a clutchless compressor according to a third embodiment of the present invention. FIG.
9 is a perspective view showing in detail the structure of the damper shown in Fig.
FIG. 10 is a cross-sectional view schematically showing an enlarged view of only a fastening portion between a pulley and a limit assembly in a clutchless compressor according to a fourth embodiment of the present invention. FIG.
Fig. 11 is a perspective view showing in detail the configuration of the pulley shown in Fig. 10; Fig.
Hereinafter, preferred embodiments of a pulley assembling apparatus for a clutchless compressor according to the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.
Further, the terms to be described below are defined in consideration of the functions of the present invention, which may vary according to the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.
In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as exemplifications of the constituent elements set forth in the claims of the present invention, and are included in technical ideas throughout the specification of the present invention, Embodiments that include components replaceable as equivalents in the elements may be included within the scope of the present invention.
Prior to the detailed description of the embodiments of the present invention, the overall engagement relationship between the pulley and the limit assembly of the clutchless compressor and the construction for fastening components therefor will be described with reference to FIGS. 1 to 3 The same reference numerals are used for the parts.
- First Embodiment
FIG. 4 is a cross-sectional view schematically showing only a coupling part between a pulley and a limit assembly in a clutchless compressor according to a first embodiment of the present invention, FIG. 5 is a view showing the structure of the damper shown in FIG. Fig.
Referring to FIGS. 4 and 5, the
The
In this case, the
When the
At this time, the clearance S can act as a space allowing the axial deformation of the
As a result, when the
- Embodiment 2
6 is a cross-sectional view schematically showing only a joint portion between a pulley and a limit assembly in a clutchless compressor according to a second embodiment of the present invention. FIG. 7 is a cross- Fig.
Referring to FIGS. 6 and 7, the
The
In the second embodiment of the present invention, the
When the
At this time, the clearance S can act as a space allowing the axial deformation of the
As a result, when the
- Third Embodiment
FIG. 8 is a cross-sectional view schematically showing only a joint part between a pulley and a limit assembly in a clutchless compressor according to a third embodiment of the present invention. FIG. 9 is a cross- Fig.
Referring to FIGS. 8 and 9, the
The
In the third embodiment of the present invention, the
When the
At this time, the clearance S can act as a space allowing the axial deformation of the
As a result, when the
- Fourth Embodiment
FIG. 10 is a cross-sectional view schematically showing only a part of engagement between a pulley and a limit assembly in a clutchless compressor according to a fourth embodiment of the present invention, FIG. 11 is a cross- Fig.
Referring to FIGS. 10 and 11, the
The
In the fourth embodiment of the present invention, the
Accordingly, when the
At this time, the clearance S can act as a space allowing the axial deformation of the
As a result, when the
Therefore, the present invention is characterized in that, at the assembling position between the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the particular details of the embodiments set forth herein. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
10 - Pulley 12 - Assembly hole
14 - Insertion hole 16 - Seated seat
18-Nose groove 20-Limit assembly
22-Cover Plate 24-Limit
30-Rotary shaft 40-Front housing
50-bearing 60-damper
62- Assembly hole 64- projecting end
66-stop jaw 68-yo groove
70-Holder 72-Flange
74-collar 76-protruding end
80-bolt 82-rivet
Claims (8)
The damper 60 has a protruding end portion 64 protruding outward around the assembly hole 62 so that a clearance S for axial deformation is formed between the damper 60 and the flange 72 of the holder 70. [ Wherein the first and second pulleys form a pulley assembly of the clutchless compressor.
Wherein the projecting end portion (64) is formed to protrude outwardly concentrically over the entire circumference of the assembling hole (62).
The holder 70 has a protruding end 76 protruding outward from one side of the flange 72 to form a clearance S for axial deformation between the protruding end 76 and the contact surface of the damper 60 Wherein the pulley assembly device of the clutchless compressor is characterized by comprising:
Wherein the projecting end portion (76) is formed to protrude outwardly concentrically from the one side of the flange (72) over the entire circumference of the collar (74).
The damper 60 has a recessed portion 68 recessed inwardly from one side of the pulley 10 toward the assembly hole 12 so as to be in contact with the contact surface in the assembly hole 12 of the pulley 10 And forms a clearance space (S) for axial deformation of the pulley.
Wherein the recessed portion (68) is formed in a concave shape on a front portion of an assembling hole (62) of the damper (60).
The pulley 10 has a recessed portion 18 recessed inwardly from one surface toward the damper 60 to form a clearance space S for axial deformation between the pulley 10 and one contact surface of the damper 60 Wherein the first and second pulleys are connected to each other.
Wherein the recessed portion is formed in a concave shape with respect to a seating seating surface located on a bottom surface of the assembly hole of the pulley.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140032602A KR20150109629A (en) | 2014-03-20 | 2014-03-20 | Assembly device for pulley in clutchless compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140032602A KR20150109629A (en) | 2014-03-20 | 2014-03-20 | Assembly device for pulley in clutchless compressor |
Publications (1)
Publication Number | Publication Date |
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KR20150109629A true KR20150109629A (en) | 2015-10-02 |
Family
ID=54340925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140032602A KR20150109629A (en) | 2014-03-20 | 2014-03-20 | Assembly device for pulley in clutchless compressor |
Country Status (1)
Country | Link |
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KR (1) | KR20150109629A (en) |
-
2014
- 2014-03-20 KR KR1020140032602A patent/KR20150109629A/en not_active Application Discontinuation
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E601 | Decision to refuse application |