WO2019098401A1 - Ensemble engrenage conique de direction constituant un dispositif d'engrenage - Google Patents

Ensemble engrenage conique de direction constituant un dispositif d'engrenage Download PDF

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Publication number
WO2019098401A1
WO2019098401A1 PCT/KR2017/012943 KR2017012943W WO2019098401A1 WO 2019098401 A1 WO2019098401 A1 WO 2019098401A1 KR 2017012943 W KR2017012943 W KR 2017012943W WO 2019098401 A1 WO2019098401 A1 WO 2019098401A1
Authority
WO
WIPO (PCT)
Prior art keywords
bevel gear
gear
steering
shaft
bevel
Prior art date
Application number
PCT/KR2017/012943
Other languages
English (en)
Korean (ko)
Inventor
김용관
Original Assignee
주식회사 티앤지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 티앤지 filed Critical 주식회사 티앤지
Priority to PCT/KR2017/012943 priority Critical patent/WO2019098401A1/fr
Publication of WO2019098401A1 publication Critical patent/WO2019098401A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/20—Connecting steering column to steering gear
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein

Definitions

  • the steering direction of the steering bevel gear assembly constituting the gear device is changed so that the rotation direction of the input side and the output side of the bevel gear assembly And the like.
  • Steering device means all devices that are operated when the direction of the vehicle is changed arbitrarily according to the intention of the driver. By turning the steering wheel, it is possible to change the direction of the vehicle by changing the angle of the wheel.
  • a steering device is a device for steerably changing the traveling direction of an automobile, and generally comprises three mechanisms: an operating mechanism, a gear mechanism, and a link mechanism.
  • the manipulation mechanism is a portion in which the driver manipulates the steering wheel directly to transmit the manipulation force to the steering gear and the link.
  • the manipulation mechanism includes a steering wheel, a steering shaft, a column and an intermediate shaft.
  • the gear mechanism decelerates the rotation of the steering shaft to, for example, about 20: 1 to increase the operating force, and at the same time, changes the direction of motion of the operating mechanism and transmits the same to the link mechanism.
  • the steering gear unit is largely classified into a ball nut type and a rack pinion type, and a rack pinion type is mainly used for small automobiles.
  • the steering gear has a pinion at the end of the steering shaft to support the rack.
  • the rack moves in the lateral direction and the steering wheel with the knuckle through the tie rod connected to both ends of the rack It is intended to move.
  • the link mechanism includes a rack, a tie rod, and a knockle arm, which transmit the operation of the gear mechanism to the front wheel and properly support the relative positions of the left and right wheels, and which are in contact with the pinion.
  • the steering bevel gear assembly constituting the gear mechanism performs the function of receiving the turning operation of the steering wheel of the driver from the input side and transmitting the turning force by changing the direction.
  • the direction of the rotating shaft is changed by the angle between the input side and the output side So that the bevel gear is interlocked.
  • the rotating shafts of a pair of bevel gears constituting the bevel gear assembly are generally rotationally driven at a vertical or acute angle.
  • the direction of rotation of a pair of bevel gears constituting the bevel gear assembly is reversed from that of the input side to the output side. That is, if the input side is clockwise, the output is counterclockwise. This is because of the mechanism structure in which the rotational direction of the steering wheel and the rotational force through the bevel gear are the same as the rotational direction of the rack-pinion gear.
  • a pair of bevel gears disposed at an angle to the inside are engaged to determine the rotational direction.
  • the axes of the input side and the output side intersect at 90 degrees, and the shaft is formed in a direction opposite to the conical direction side of the bevel gear. This is a common and common combination of bevel gears.
  • the output side rotates in a counterclockwise direction
  • the pinion gear rotates in a counterclockwise direction
  • the tie rod performs a lateral movement
  • the wheel rotates clockwise.
  • the rotation direction of the steering bevel gear is changed in order to realize a normal steering mechanism, and the rotation direction of the input side and the output side of the bevel gear module are configured to be the same.
  • the bevel gear on the output side is placed at a different engaging position with the normal input side bevel gear.
  • the axis of the output side bevel gear and the axis of the input side bevel gear are perpendicular to the normal bevel gear, but the output side bevel gear is configured to output in the direction of the original guess.
  • the steering bevel gear assembly according to the present invention is completely different from the bevel gear shape having a conventional shaft.
  • the bevel gear shafts on the output side are arranged in front of and behind the shaft so as to be stably supported.
  • An aluminum casting material such as a gear case is used as the front cover.
  • Involute serration is formed at the end of the input and output ends of the shaft, and the engagement with the gear case is made of three bolts .
  • a steering gear assembly comprising: a gear case (10) to which rotational power is inputted from a steering wheel of a vehicle; A front cover 20 detachably coupled to the gear case 10 and connected to the rotation of the vehicle wheel in a state of receiving the rotational driving force input through the gear case 10; A first bevel gear 30 coupled through the inside and outside of the gear case 10 and directly receiving rotational power from the steering wheel of the vehicle; And a second bevel gear (40) interlocked with the first bevel gear (30) to receive a rotational force and to be coupled through the inside and outside of the front cover (20).
  • the first bevel gear 30 and the second bevel gear 40 rotate in the same direction.
  • the front cover 20 includes a steering output port 21 which is rotatably disposed in a state where the second bevel gear 40 is passed through and a steering output port 21 which is engaged with the gear case 10,
  • the front cover 20 is made of the same aluminum casting as the gear case 10 so that the bevel gear penetrating hole 23 penetrates through the second bevel gear 40 that is gear- .
  • the first bevel gear 30 includes a first bevel gear shaft 31 rotatably disposed to pass through the steering input port 11 and a second bevel gear shaft 31 coupled to one end of the first bevel gear shaft 31
  • the second bevel gear 40 includes a second bevel gear shaft 41 rotatably disposed to pass through the steering output port 21, And a second bevel gear tooth (42) coupled to one end of the second bevel gear shaft (41), and the second bevel gear tooth tooth (42) transmits power from the first bevel gear tooth And the output is made in the direction of the original guess.
  • the second bevel gear 40 is driven in a state where its rear end is supported in the gear case 10 and its tip end is supported on the steering output port 21.
  • the steering bevel gear assembly constituting the gear device according to the present invention as described above, By providing a steering bevel gear used in the apparatus, the steering mechanism is normally realized.
  • FIG. 1 is a perspective view of a steering bevel gear assembly that constitutes a gear device in accordance with an embodiment of the present invention.
  • Figure 2 shows a front view of the steering bevel gear assembly of Figure 1;
  • Figure 3 shows a cross-sectional view of the steering bevel gear assembly of Figure 1;
  • FIG. 1 a steering bevel gear assembly constituting a gear device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3.
  • FIG. 1 a steering bevel gear assembly constituting a gear device according to an embodiment of the present invention
  • the steering bevel gear assembly constituting the gear device includes a gear case 10 in which a space is formed for allowing rotational movement of a pair of bevel gears and a rotational power is inputted from the steering wheel of the vehicle, A front cover 20 for transmitting the rotational driving force inputted through the gear case 10 to a rack-pinion for connecting the rotational driving force to the gear case 10
  • the first bevel gear 40 and the front cover 20 are connected to each other by a first protector 50 and a second protector 50.
  • the first protector 50 functions to prevent the first bevel gear 30 from being stably engaged
  • a second protection unit 60 functioning to prevent the second bevel gear 40 from being stably engaged and leaking through the coupling point in a deployed
  • the gear case 10 includes a steering input port 11 rotatably disposed with the first bevel gear 30 passed therethrough, a steering output support member 12 rotatably coupled to the end of the second bevel gear 40 A first coupling member 13 which is engaged with the front cover 20 and which is formed so as to penetrate through a second bevel gear 40 which is in gear engagement with the first bevel gear 30, And a rotary conversion space 14 as a space in which rotational drive is performed.
  • the rotary conversion space 14 is surrounded by three regions, that is, the steering input port 11, the output port 12, and the first coupling hole 13.
  • the front cover 20 is engaged with the steering output port 21 and the first coupling port 13 of the gear case 10 that are rotatably disposed with the second bevel gear 40 passed therethrough, And a second coupling hole 22 through which a second bevel gear through hole 23 is formed so that a second bevel gear 40 that is gear-coupled with the first bevel gear 30 passes through.
  • the engagement of the gear case 10 and the front cover 20 is engaged through a separate coupling means such as a coupling bolt in a state in which the first coupling hole 13 and the second coupling hole 22 are in contact with each other.
  • the front cover 20 is made of the same aluminum casting as the gear case 10.
  • the first bevel gear 30 includes a first bevel gear shaft 31 rotatably disposed to pass through the steering input port 11, a second bevel gear shaft 31 rotatably disposed through the steering input port 11, A bevel gear tooth profile 32, and a first power transmission hole 33 coupled to the other end of the first bevel gear shaft 31 in an involute serration manner.
  • the second bevel gear 40 includes a second bevel gear shaft 41 rotatably disposed to pass through the steering output port 21, a second bevel gear shaft 41 rotatably disposed through the steering output port 21, A bevel gear tooth profile 42 and a second power transmission port 43 coupled to the other end of the second bevel gear shaft 41 in an involute serration manner.
  • the first bevel gear tooth profile 32 and the second bevel gear profile 42 are coupled to each other along different axial directions, and may be coupled with each other at an angle of intersection of 90 degrees, for example.
  • the first protective portion 50 includes a first dust cover 51 disposed to cover the outside of the steering input port 11 in a state where the first bevel gear shaft 31 passes through the first dust cover 51, A first oil seal 53 disposed between the first support cap 52 and the first bevel gear shaft 31, a first oil seal 53 disposed between the steering input port 11 and the first support shaft 52, A first lock nut 54 disposed on the connection point of the cap 52 and a second lock nut 54 disposed between the first support cap 52 and the first bevel gear shaft 31 in the inner direction of the first oil seal 53, A bearing 55 and a snap ring 56 engaged on the first bevel gear shaft 31 in the inward direction of the first bearing 55 and an inner ring 56 on the inner side of the first bearing 55 on the first bevel gear shaft 31. [ And a second bearing (57) disposed on the second bearing.
  • the second protective portion 60 includes a second dust cover 61 disposed to cover the outside of the steering output port 21 in a state where the second bevel gear shaft 41 is penetrated, A second oil seal 63 disposed between the second support cap 62 and the second bevel gear shaft 41, a second oil seal 63 disposed between the steering output port 21 and the second support shaft 62, A first locknut 64 disposed on the connection point of the cap 62 and a second locknut 64 disposed between the second support cap 62 and the second bevel gear shaft 41 in the inner direction of the second oil seal 63, A bearing 65 and a second bearing 66 disposed on the inside of the second bearing 65 on the second bevel gear shaft 41.
  • the present invention is characterized in that when a rotational force is applied from steering of a vehicle through a first bevel gear 30 provided on a steering input port 11 of a gear case 10, And functions to switch the rotating direction in a state where a pair of bevel gear teeth are engaged on the disposed second bevel gear 40.
  • the second bevel gear 40 is driven in a state that its rear end is supported by the output support 12 of the gear case 10 and its tip end is supported on the steering output port 21.
  • the bevel gears on the output side are arranged so that the engaging positions with the conventional input side bevel gears are different from each other.
  • the output side bevel gears are disposed on the output side bevel gears,
  • the axis of the gear and the input side line intersect at right angles with the normal bevel gear, but the output side bevel gear has a structure in which the output is made in the direction of narrowing in the conical direction of the second bevel gear teeth tooth.
  • the steering bevel gear assembly constituting the gear device according to the present invention includes gears By providing a steering bevel gear used in the apparatus, the steering mechanism is normally realized.

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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)
  • Gear Transmission (AREA)
  • Power Steering Mechanism (AREA)

Abstract

Selon la présente invention, un ensemble engrenage conique de direction constituant un dispositif d'engrenage comprend : un carter d'engrenage (10) auquel une puissance électrique rotative est fournie en entrée par un volant de direction de véhicule ; un couvercle avant (20), qui est accouplé de manière démontable au carter d'engrenage (10) et, simultanément, reçoit une puissance d'entraînement en rotation fournie en entrée au moyen du carter d'engrenage (10), de manière à le relier en tant que mouvement de rotation d'une roue de véhicule ; un premier engrenage conique (30) accouplé dans un état de pénétration dans les côtés interne et externe du carter d'engrenage (10), et recevant directement la puissance électrique rotative provenant du volant de direction de véhicule ; et un second engrenage conique (40) accouplé dans un état de pénétration dans les côtés interne et externe du couvercle avant (20) tout en étant relié au premier engrenage conique (30) de manière à recevoir une puissance de rotation, les sens de rotation du premier engrenage conique (30) et du second engrenage conique (40) étant identiques.
PCT/KR2017/012943 2017-11-15 2017-11-15 Ensemble engrenage conique de direction constituant un dispositif d'engrenage WO2019098401A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/012943 WO2019098401A1 (fr) 2017-11-15 2017-11-15 Ensemble engrenage conique de direction constituant un dispositif d'engrenage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/012943 WO2019098401A1 (fr) 2017-11-15 2017-11-15 Ensemble engrenage conique de direction constituant un dispositif d'engrenage

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WO2019098401A1 true WO2019098401A1 (fr) 2019-05-23

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PCT/KR2017/012943 WO2019098401A1 (fr) 2017-11-15 2017-11-15 Ensemble engrenage conique de direction constituant un dispositif d'engrenage

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63158643U (fr) * 1987-04-02 1988-10-18
JPH0330738B2 (fr) * 1984-11-29 1991-05-01 Kawasaki Heavy Ind Ltd
JP2001349385A (ja) * 2000-06-08 2001-12-21 Nsk Ltd ステアリング装置用歯車伝達装置
JP2007002878A (ja) * 2005-06-21 2007-01-11 Alps Tool Co Ltd 歯車の自動給油装置
KR20120135341A (ko) * 2010-09-27 2012-12-12 미츠비시 쥬고교 가부시키가이샤 애지머스 추진기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0330738B2 (fr) * 1984-11-29 1991-05-01 Kawasaki Heavy Ind Ltd
JPS63158643U (fr) * 1987-04-02 1988-10-18
JP2001349385A (ja) * 2000-06-08 2001-12-21 Nsk Ltd ステアリング装置用歯車伝達装置
JP2007002878A (ja) * 2005-06-21 2007-01-11 Alps Tool Co Ltd 歯車の自動給油装置
KR20120135341A (ko) * 2010-09-27 2012-12-12 미츠비시 쥬고교 가부시키가이샤 애지머스 추진기

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