WO2014136626A1 - プロペラシャフト及びプロペラシャフト用アダプタ部材 - Google Patents
プロペラシャフト及びプロペラシャフト用アダプタ部材 Download PDFInfo
- Publication number
- WO2014136626A1 WO2014136626A1 PCT/JP2014/054624 JP2014054624W WO2014136626A1 WO 2014136626 A1 WO2014136626 A1 WO 2014136626A1 JP 2014054624 W JP2014054624 W JP 2014054624W WO 2014136626 A1 WO2014136626 A1 WO 2014136626A1
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- WIPO (PCT)
- Prior art keywords
- peripheral surface
- shaft
- adapter member
- axial direction
- ring member
- Prior art date
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Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/226—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
- F16D3/2265—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being non-telescopic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/101—Quick-acting couplings in which the parts are connected by simply bringing them together axially without axial retaining means rotating with the coupling
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22313—Details of the inner part of the core or means for attachment of the core on the shaft
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22316—Means for fastening or attaching the bellows or gaiters
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22323—Attachments to the shaft of the inner joint member whereby the attachments are distanced from the core
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- 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
- Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
- Y10S464/904—Homokinetic coupling
- Y10S464/906—Torque transmitted via radially spaced balls
Definitions
- the present invention relates to a propeller shaft and a propeller shaft adapter member used in, for example, an automobile.
- a propeller shaft for an automobile is divided into two or three parts by a drive shaft connected to the transmission side and a driven shaft connected to the differential gear side, and a cardan joint, etc.
- a joint mechanism such as a speed joint is provided and is rotatably supported on the vehicle body floor via a support device provided at a substantially central position in the axial direction.
- the output shaft is directly inserted from the axial direction and splined.
- the conventional technology described above has a constant velocity that matches these multiple types of input / output shafts. It is necessary to manufacture joints individually, which leads to complicated manufacturing operations and high manufacturing costs.
- the present invention has been devised in view of such problems, and provides a propeller shaft that can cope with various variations of input / output shafts at low cost.
- the invention according to claim 1 is an outer ring member in which a hollow shaft member is fixed to one end in the axial direction, an inner ring member that is located on the inner peripheral side of the outer ring member, and has a female spline formed on the inner peripheral surface thereof.
- a constant velocity joint provided between the outer ring member and the inner ring member and connecting the two members so as to be able to transmit torque, and formed on an outer peripheral surface on one axial end side;
- a male spline that engages with the female spline of the inner ring member, and a female spline that is formed on the inner peripheral surface on the other axial end side and that engages with the male spline formed on the outer peripheral surface of the vehicle-side mounting shaft.
- an adapter member is provided between the outer ring member and the inner ring member and connecting the two members so as to be able to transmit torque, and formed on an outer peripheral surface on one axial end side.
- a male spline that engages with the female splin
- adapter members that match the input / output shafts which have different outer diameters depending on the manufacturer and vehicle type, are manufactured in advance, and can be connected to an existing constant velocity joint by using this, It is possible to facilitate manufacturing work and reduce costs.
- FIG. 3 is a perspective view of a first constant velocity joint shown in FIG. 2.
- FIG. 3 is an exploded perspective view of the first constant velocity joint shown in FIG. 2.
- It is an expanded sectional perspective view of the 2nd constant velocity joint shown in FIG.
- It is an expanded sectional perspective view of the 1st constant velocity joint provided for 2nd Embodiment which concerns on this invention.
- the propeller shaft 1 connects a transmission (not shown) arranged on the front side of the vehicle (left side of FIG. 1) and a differential device (not shown) arranged on the rear side of the vehicle. The rotational force is transmitted to the differential device.
- the propeller shaft 1 includes a tube 2 that is a hollow shaft member, a first constant velocity joint 4a that is interposed between the tube 2 and an input shaft 3 that is a vehicle-side mounting shaft on the transmission side, and a tube 2 and a differential. And a second constant velocity joint 4b interposed between the gear side and the output shaft 5 which is a vehicle side mounting shaft.
- a first adapter member 6a for connecting the first constant velocity joint 4a and the input shaft 3 is interposed between the first constant velocity joint 4a and the input shaft 3, and the second constant velocity joint 4b and the output shaft 5 are connected to each other.
- a second adapter member 6b for connecting the both 4b and 5 is interposed between them.
- the tube 2 is a cylindrical shaft made of, for example, an aluminum alloy, and includes a front tube 2a on the input shaft 3 side and a rear tube 2b on the output shaft 5 side. These tubes 2a and 2b are slidable. Are connected by a constant velocity joint 7.
- the tube 2 can also be comprised with an iron-type material and CFRP.
- the tube 2 is rotatably supported on the lower surface of the vehicle body floor 9 by a bearing bracket 8a having a center bearing 8 inside.
- the first constant velocity joint 4a is a so-called fixed type as shown in FIGS. 2 to 4, and has an outer ring member 10 having one end fixed to the front tube 2a, and an inner side of the outer ring member 10.
- An inner ring member 11 that receives rotational torque from the input shaft 3 via the first adapter member 6a and a rollable member provided between the members 10 and 11 can transmit torque between the members 10 and 11.
- a boot member 15 to be configured.
- the outer ring member 10 is formed in a substantially cylindrical shape from, for example, a metal material such as iron, and is gradually reduced in diameter from a substantially central position in the axial direction to the front tube 2a side.
- the distal end surface of the reduced diameter portion is the front tube. It is joined to the end face of 2a by friction welding.
- the outer ring member 10 has an inner peripheral surface formed in a substantially spherical shape, and a disc-shaped seal cap 13 is press-fitted and fixed to an end portion of the inner peripheral surface on the front tube 2a side.
- an annular mounting groove 14 is formed on the outer peripheral surface of the outer ring member 10 on the input shaft 3 side.
- a plurality of ball grooves 16 a are formed at the circumferentially equidistant positions on the inner peripheral surface of the outer ring member 10, and a plurality of ball grooves 16 b are formed at the circumferentially equidistant positions on the outer peripheral surface of the inner ring member 11.
- rotational torque is transmitted from the inner ring member 11 to the outer ring member 10 by the balls 12 disposed via the cage 17 between the ball grooves 16a and 16b.
- the inner ring member 11 is formed of, for example, an iron-based metal material, and a through hole 18 is formed through the inner axial direction.
- the inner peripheral surface of the through hole 18 (the inner peripheral surface of the inner ring member 11).
- a female spline 20 that is a portion to which the inner ring member is attached is formed along the axial direction.
- the female spline 20 is engaged with a male spline 42 as an attachment portion of the adapter member 6a.
- an annular holding groove 21 into which the circlip 45 on the adapter member 6a side is fitted is formed in the female spline 20 on the front tube 2a side.
- the boot member 15 is composed of a retainer 22 made of a metal plate and a boot 23 made of, for example, a synthetic rubber material or a synthetic resin material.
- the retainer 22 is formed in a cylindrical shape having a stepped diameter as a whole, and a base end portion 24 that is bent in a cross-sectional crank shape is fitted and fixed in the mounting groove 14 of the outer ring member 10, and a distal end portion 25 is folded back. Is bent.
- the boot 23 has an annular shape as a whole and is formed in a substantially U-shaped cross section, and has a tongue-like outer peripheral portion 26, an inner peripheral portion 27 having a substantially rectangular cross section, and the outer peripheral portion 26 and the inner peripheral portion. 27 is connected to each other and is formed by an arcuate bulging portion 28 that protrudes toward the ball 12 side.
- the boot 23 can be deformed in the axial direction and the radial direction.
- the outer peripheral portion 26 is crimped and fixed inside the folded tip portion 25 of the retainer 22, while the inner peripheral portion 27 is fastened and fixed to the outer peripheral surface of the adapter member 6a by a boot band 29. Thereby, the boot member 15 holds the grease filled in the constant velocity joint 4 a together with the seal cap 13.
- the input shaft 3 is formed with a stepped diameter at one end, a large diameter portion 30 coupled to the transmission, a medium diameter portion 31 integrally coupled to the end of the large diameter portion 30, and the medium diameter portion And a small-diameter portion 32 integrally coupled to the end portion of 31.
- the medium diameter portion 31 is formed with a relatively short axial length, and a seal ring groove 33 is formed at a substantially central position in the axial direction of the outer peripheral surface.
- An annular seal ring 34 is formed in the seal ring groove 33. Is held in place.
- the small diameter portion 32 is formed to be longer than the medium diameter portion 31 in the axial direction, and a male spline 35 that is an attachment portion of the vehicle side attachment shaft is formed along the axial direction on the entire outer peripheral surface. Is formed in a tapered shape having a tapered shape.
- An annular clip groove 37 is formed on the outer periphery of the distal end portion 36 on the base side, and an annular circlip 38 is attached to the clip groove 37 to prevent the input shaft 3 from coming off from the adapter member 6a. ing.
- the first adapter member 6a is a single member formed in a so-called stepped cylindrical shape as a whole by, for example, an iron-based metal, and is positioned on one end side in the axial direction.
- a hollow cylindrical large-diameter shaft portion 41 into which the small-diameter portion 32 is inserted.
- a male spline 42 that is an attachment portion that engages with the female spline 20 of the inner ring member 11 is formed on the entire outer peripheral surface along the axial direction by, for example, hobbing, and the tip portion 43 side is It is formed in a tapered shape that becomes a tapered shape.
- An annular clip groove 44 is formed on the outer periphery of the small diameter shaft portion 39 on the tip end portion 43 side. The clip groove 44 is engaged with the holding groove 21 and the small diameter shaft portion 39 is connected to the inner ring member 11. A circlip 45 that restricts the slipping out of the through hole 18 is fitted.
- the large-diameter shaft portion 41 is formed such that the axial length and the outer diameter are larger than those of the small-diameter shaft portion 39, and the male spline 35 on the input shaft 3 side is provided at a portion corresponding to the input shaft small-diameter portion 32 of the insertion hole 40.
- the female spline 46 which engages with is formed along the axial direction by broaching, for example. Further, an annular holding groove 47 into which the circlip 38 is fitted and fixed is formed at a position corresponding to the small diameter portion 32 on the small diameter shaft portion 39 side.
- annular engagement groove 48 is formed in a portion of the outer peripheral surface of the large diameter shaft portion 41 near the large diameter portion 30, and the input shaft 3 is removed from the adapter member 6a in the engagement groove 48. A tool (not shown) is engaged.
- annular mounting groove 49 is formed in a portion of the outer peripheral surface of the large-diameter shaft portion 41 on the small-diameter shaft portion 39 side, and the inner peripheral portion 27 of the boot 23 is fitted into the mounting groove 49. It has become.
- the mounting groove 49 is formed in a substantially trapezoidal cross section, and its deepest portion is offset in the axial direction from the deepest portion of the holding groove 47 that is also formed in a substantially trapezoidal cross section. Thereby, suppression of thickening of the large diameter shaft part 41 and securing of strength are achieved.
- it is more desirable that the entire mounting groove 49 is offset in the axial direction from the entire holding groove 47.
- the first adapter member 6a is preliminarily inserted into the through-hole 18 of the inner ring member 11 from the axial direction as shown by an arrow P1 in FIG. It is fixed integrally to the first constant velocity joint 4a.
- the first adapter member 6a is coupled to the female spline 20 on the inner ring member 11 side in the axial direction while the male spline 42 is coupled in the axial direction, and enters the through hole 18 while its rotational direction is regulated.
- the circlip 45 is elastically fitted and locked in the holding groove 13 of the female spline 20, whereby the first adapter member 6 a is fixed while being positioned relative to the inner ring member 11 in the axial direction. That is, since the holding groove 21 functions as a positioning portion in the inner ring member 11 via the circlip 45, the working efficiency in the assembly factory for the above components is improved.
- the first adapter member 6a fixed integrally with the first constant velocity joint 4a in advance is inserted into the insertion hole of the large-diameter shaft portion 41 as shown by an arrow P2 in FIG.
- a small diameter portion 32 of the input shaft 3 is inserted into the shaft 40 in the axial direction.
- the 1st constant velocity joint 4a is connected with the input shaft 3 via the 1st adapter member 6a.
- the input shaft 3 is coupled to the male spline 35 while being guided in the axial direction by the female spline 46 on the adapter member 6a side, and enters the through hole 40 while its rotational direction is regulated.
- the circlip 38 is elastically expanded and fitted into the holding groove 47 of the female spline 46, whereby the input shaft 3 is positioned relative to the adapter member 6a in the axial direction.
- the holding groove 47 functions as a positioning portion in the adapter member 6a, the working efficiency in the vehicle body assembly factory is improved.
- the first constant velocity joint 4a is connected to the input shaft 3 via the adapter member 6a which is a separate body. Due to the difference, even when the input shaft 3 having a different external shape and axial length, or the shape of the male spline 35 from the existing one is used, its outer diameter, axial length, or male spline If the adapter member 6a provided with the female spline 46 which matches the shape of 35 is manufactured, and it is selected, the first constant velocity joint 4a itself consisting of a plurality of members such as the outer ring member 10 and the inner ring member 11 is newly manufactured. Without having to do so. The same applies to the output shaft 5, the second constant velocity joint 4b, and the second adapter member 6b.
- the first and second adapter members 6a and 6b can be used without newly manufacturing the first and second constant velocity joints 4a and 4b themselves, which are a plurality of members, as in the prior art.
- the input / output shafts 3 and 5 having different outer diameters can be handled. For this reason, since manufacturing work can be facilitated and costs can be reduced, the input / output shafts 3 and 5 of various variations can be handled at low cost.
- the small diameter shaft portion 39 of the adapter member 6a is inserted and fixed in the through hole 18 of the inner ring member 11, so that the inner ring member 11 and the first constant velocity joint 4a including the inner ring member 11 can be increased in size. Can be suppressed.
- the mounting groove 49 and the engaging groove 48 are formed on the outer peripheral surface of the large-diameter shaft portion 41 of the adapter member 6a, the forming operation of both grooves 49, 48 is facilitated.
- the axial length of the large-diameter shaft portion 41 corresponding to the sleeve is longer than that of the conventional technique in which the adapter member is attached to the outer peripheral surface of the sleeve of the inner ring member. Moreover, since it can be changed easily, the mounting efficiency and design freedom of the boot member 15 mounted on the outer peripheral surface of the large-diameter shaft portion 41 are improved.
- the adapter member 6a is integrally fixed to the inner ring member 11 of the first constant velocity joint 4a at, for example, a vehicle parts factory, and then attached to the input shaft 3 at the vehicle body assembly factory. Therefore, the assembly efficiency in the vehicle body assembly factory can be improved.
- the second constant velocity joint 4b has the same structure as the first constant velocity joint 4a, one end of the outer ring member 10 is fixed to the rear tube 2b, and the output shaft 5 is an adapter. It is inserted into the insertion hole 40 of the member 6b.
- FIG. 6 shows a second embodiment of the present invention, which is obtained by changing only the structure of the first adapter member 66a. Therefore, the same reference numerals are given to the parts common to FIG. Is omitted.
- the solid small-diameter shaft portion 39 of FIG. 3 is configured as a hollow cylindrical small-diameter shaft portion 69, and the entire first adapter member 66a is formed in a hollow cylindrical shape.
- the small-diameter shaft portion 69 is also formed in a hollow shape. 1 adapter member 66a can be reduced in weight and material cost can be reduced.
- the first adapter member 66a before assembly is formed in such a way that both ends of the insertion hole 60 in the large-diameter shaft portion 61 are opened, the above-described operation of forming the female spline 46 by, for example, broaching method is the first implementation. It becomes easy compared with the form.
- the assembly efficiency in the vehicle body assembly plant can be improved.
- the constant velocity joint includes a flexible boot member for retaining grease therein, and the flexible boot member is interposed between the outer peripheral surface of the outer ring member and the outer peripheral surface of the adapter member.
- the propeller shaft according to claim a being mounted straddling.
- the design freedom is high, and the mounting efficiency and the design flexibility of the flexible boot member attached to the adapter member are improved.
- the adapter member is composed of a large-diameter shaft portion and a small-diameter shaft portion having an outer diameter smaller than the large-diameter shaft portion, and a male spline of the adapter member is formed on the outer peripheral surface of the small-diameter shaft portion.
- the male spline is formed on the outer peripheral surface of the small-diameter shaft portion of the adapter member, it is possible to suppress an increase in the size of the inner ring member provided with the female spline that engages with the male spline on the inner peripheral surface.
- the female spline of the adapter member is formed with a positioning portion for performing relative positioning in the axial direction of the vehicle side mounting shaft and the adapter member when the vehicle side mounting shaft is inserted.
- the adapter member is formed with an annular mounting groove for mounting a boot member for holding grease inside the constant velocity joint on the outer peripheral surface of the portion where the female spline is formed,
- the adapter member includes an annular mounting groove for mounting a boot member for holding grease inside the constant velocity joint, and a vehicle side on an outer peripheral surface of a portion where the female spline is formed.
- both grooves can be formed efficiently.
- the assembly efficiency in the vehicle body assembly plant can be improved.
- the constant velocity joint includes a flexible boot member that holds grease therein, and the flexible boot member straddles between an outer peripheral surface of the outer ring member and an outer peripheral surface of the adapter member.
- the design freedom is high, and the mounting efficiency and the design flexibility of the flexible boot member attached to the adapter member are improved.
- the adapter member is formed in an annular shape in which the other end side in the axial direction is formed by an internal hollow cylindrical portion, and the flexible boot member is attached to the outer peripheral surface of the cylindrical portion.
- both grooves can be formed efficiently.
- a positioning portion for performing relative positioning in the axial direction of the vehicle side mounting shaft and the adapter member when the vehicle side mounting shaft is inserted is formed in the mounted portion of the adapter member.
- the adapter member includes a large-diameter shaft portion on one end side in the axial direction and a small-diameter shaft portion on the other end side in the axial direction and having a smaller outer diameter than the large-diameter shaft portion.
- the male spline as the mounting portion of the adapter member is formed on the outer peripheral surface of the small diameter shaft portion, and the female spline as the mounted portion of the adapter member is formed on the inner peripheral surface of the large diameter shaft portion.
- the propeller shaft according to claim 2 characterized by things.
- an increase in the size of the inner ring member that engages with the mounting portion of the adapter member can be suppressed.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motor Power Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Description
プロペラシャフト1は、図1に示すように、車両前方側(図1の左側)に配置された図示外のトランスミッションと車両後方側に配置された図示外のデファレンシャル装置とを連結して、トランスミッションの回転力をデファレンシャル装置に伝達するようになっている。
〔第2実施形態〕
図6は、本発明の第2の実施形態を示し、第1アダプタ部材66aの構造のみを変更したものであるから、図3と共通する部分にはそれぞれ同一符号を付して、詳細な説明は省略する。
2a…フロントチューブ(中空軸部材)
2b…リアチューブ(中空軸部材)
3…入力軸(車両側取付軸)
4a…第1等速ジョイント(等速ジョイント)
4b…第2等速ジョイント(等速ジョイント)
5…出力軸(車両側取付軸)
6a…第1アダプタ部材
6b…第2アダプタ部材
10…外輪部材
11…内輪部材
12…ボール(転動体)
20…雌スプライン(内輪部材の被取付部)
35…雄スプライン(車両側取付軸の取付部)
42…雄スプライン
46…雌スプライン
66a…第1アダプタ部材
Claims (17)
- 軸方向一端側に中空軸部材が固定される外輪部材と、該外輪部材の内周側に位置するとともに、内周面に雌スプラインを有する内輪部材と、前記外輪部材と該内輪部材との間に設けられて、これら両部材同士をトルク伝達可能に接続する転動体と、を備えた等速ジョイントと、
軸方向一端側の外周面に、前記内輪部材の雌スプラインと係合する雄スプラインを有する一方、軸方向他端側の内周面に、車両側取付軸の外周面に形成された雄スプラインと係合可能な雌スプラインを有するアダプタ部材と、を備えたことを特徴とするプロペラシャフト。 - 前記アダプタ部材は、前記内輪部材に一体的に固定された状態で前記車両側取付軸に取り付けられることを特徴とする請求項1に記載のプロペラシャフト。
- 前記等速ジョイントは、内部にグリースを保持する可撓性ブーツ部材を備え、この可撓性ブーツ部材は、前記外輪部材の外周面と前記アダプタ部材の外周面との間に跨って装着されることを特徴とする請求項2に記載のプロペラシャフト。
- 前記アダプタ部材は、大径軸部と、この大径軸部よりも外径が小さい小径軸部と、から構成され、該小径軸部の外周面に前記アダプタ部材の雄スプラインは形成され、該大径軸部の内周面に前記アダプタ部材の雌スプラインは形成されていることを特徴とする請求項1に記載のプロペラシャフト。
- 前記アダプタ部材は、内部が中空状の円筒状に形成され、その内周面に雌スプラインが形成されていることを特徴とする請求項1に記載のプロペラシャフト。
- 前記アダプタ部材の雌スプラインには、前記車両側取付軸を挿入する際に、該車両側取付軸と該アダプタ部材との軸方向における相対的な位置決めを行う位置決め部を形成してあることを特徴とする請求項1に記載のプロペラシャフト。
- 前記アダプタ部材は、前記雌スプラインが形成された部位の外周面に、前記等速ジョイントの内部にグリースを保持するブーツ部材を取り付けるための円環状の取付溝が形成され、該取付溝と前記位置決め部としての保持溝とは軸方向でオフセットしていることを特徴とする請求項6に記載のプロペラシャフト。
- 前記アダプタ部材は、前記雌スプラインが形成された部位の外周面に、前記等速ジョイントの内部にグリースを保持するブーツ部材を取り付けるための円環状の取付溝と、前記車両側取付軸を該アダプタ部材から取り外すための工具が係合する係合溝とを有していることを特徴とする請求項1に記載のプロペラシャフト。
- 軸方向一端側に中空軸部材が固定される外輪部材と、前記外輪部材の内周側に位置する
とともに、内部に被取付部を有する内輪部材と、前記外輪部材と前記内輪部材との間に設
けられて、これら両部材同士をトルク伝達可能に接続する転動体と、を備えた等速ジョイントと、
軸方向一端側に、前記内輪部材側の被取付部と係合する取付部を有する一方、軸方向他端側に、車両側取付軸の取付部と係合可能に構成された被取付部を有するアダプタ部材と、 を備えたことを特徴とするプロペラシャフト。 - 前記アダプタ部材は、前記内輪部材に一体的に固定された状態で前記車両側取付軸に取り付けられることを特徴とする請求項9に記載のプロペラシャフト。
- 前記等速ジョイントは、内部にグリースを保持する可撓性ブーツ部材を備え、
この可撓性ブーツ部材は前記外輪部材の外周面と前記アダプタ部材の外周面との間に跨って装着されることを特徴とする請求項hに記載のプロペラシャフト。 - 前記アダプタ部材は、前記軸方向の他端側が内部中空状の円筒状部によって形成されているとともに、この円筒状部の外周面には前記可撓性ブーツ部材を取り付ける円環状の取付溝と、前記車両側取付軸を該アダプタ部材から取り外すための工具が係合する係合溝とがそれぞれ形成されていることを特徴とする請求項10に記載のプロペラシャフト。
- 前記アダプタ部材の被取付部には、前記車両側取付軸を挿入する際に、該車両側取付軸と該アダプタ部材との軸方向における相対的な位置決めを行う位置決め部を形成したことを特徴とする請求項9に記載のプロペラシャフト。
- 前記アダプタ部材は、軸方向一端側に有する大径軸部と、軸方向他端側に有し、前記大径軸部よりも外径が小さい小径軸部と、から構成され、前記アダプタ部材の取付部としての雄スプラインは、前記小径軸部の外周面に形成され、前記アダプタ部材の被取付部としての雌スプラインは該大径軸部の内周面に形成されていることを特徴とする請求項9に記載のプロペラシャフト。
- 前記アダプタ部材は、略円筒状に形成され、その内周面に前記アダプタ部材の雌スプラインが形成されていることを特徴とする請求項14に記載のプロペラシャフト。
- 前記アダプタ部材の大径軸部における雌スプラインには、前記車両側取付軸を挿入する際に、該車両側取付軸と該アダプタ部材との軸方向における相対的な位置決めを行う円環状の位置決め溝が形成されている一方、該大径軸部の外周面には前記外輪部材の内部にグリースを保持するブーツ部材を取り付けるための円環状の取付溝が形成され、前記位置決め溝と該取付溝とは軸方向でオフセットしていることを特徴とする請求項14に記載のプロペラシャフト。
- 軸方向一端側の外周面に、等速ジョイントにおける内輪部材の内周面に形成された雌ス
プラインと係合するように構成された雄スプラインを有する一方、軸方向他端側の内周面
に、車両側取付軸の外周面に形成された雄スプラインと係合可能に構成された雌スプライ
ンを有することを特徴とするプロペラシャフト用アダプタ部材。
Priority Applications (5)
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US14/771,836 US20160017929A1 (en) | 2013-03-04 | 2014-02-26 | Propeller Shaft and Adapter Member for Propeller Shaft |
JP2015504256A JPWO2014136626A1 (ja) | 2013-03-04 | 2014-02-26 | プロペラシャフト及びプロペラシャフト用アダプタ部材 |
CN201480010827.9A CN105026202A (zh) | 2013-03-04 | 2014-02-26 | 传动轴及传动轴用接合部件 |
KR1020157019291A KR20150096759A (ko) | 2013-03-04 | 2014-02-26 | 프로펠러 샤프트 및 프로펠러 샤프트용 어댑터 부재 |
DE112014001114.2T DE112014001114T5 (de) | 2013-03-04 | 2014-02-26 | Kardanwelle und Adapterelement für eine Kardanwelle |
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JP (1) | JPWO2014136626A1 (ja) |
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JP2018003925A (ja) * | 2016-06-30 | 2018-01-11 | 日立オートモティブシステムズ株式会社 | プロペラシャフト及びプロペラシャフトの連結方法 |
WO2019054167A1 (ja) * | 2017-09-15 | 2019-03-21 | 日立オートモティブシステムズ株式会社 | 動力伝達軸 |
KR102069824B1 (ko) * | 2019-06-12 | 2020-01-23 | 서한산업(주) | 차량용 샤프트 |
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US11053985B2 (en) | 2016-02-10 | 2021-07-06 | Dana Automotive Systems Group, Llc | Direct pinion mount constant velocity joint |
JP6879775B2 (ja) * | 2016-04-25 | 2021-06-02 | Ntn株式会社 | 等速自在継手 |
RU2018143365A (ru) | 2016-05-10 | 2020-06-10 | Дана Отомоутив Системз Груп, Ллк | Узел пыльника для шарнира равных угловых скоростей |
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- 2014-02-26 DE DE112014001114.2T patent/DE112014001114T5/de not_active Withdrawn
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CN106042913B (zh) * | 2015-04-14 | 2020-10-02 | 现代自动车株式会社 | 用于车辆传动轴的中间支撑装置 |
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JPWO2014136626A1 (ja) | 2017-02-09 |
KR20150096759A (ko) | 2015-08-25 |
US20160017929A1 (en) | 2016-01-21 |
DE112014001114T5 (de) | 2015-12-24 |
CN105026202A (zh) | 2015-11-04 |
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