WO2016068465A1 - Shaft for connecting constant velocity joint and vehicle constant velocity joint assembly having shaft - Google Patents

Shaft for connecting constant velocity joint and vehicle constant velocity joint assembly having shaft Download PDF

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Publication number
WO2016068465A1
WO2016068465A1 PCT/KR2015/008668 KR2015008668W WO2016068465A1 WO 2016068465 A1 WO2016068465 A1 WO 2016068465A1 KR 2015008668 W KR2015008668 W KR 2015008668W WO 2016068465 A1 WO2016068465 A1 WO 2016068465A1
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WO
WIPO (PCT)
Prior art keywords
constant velocity
velocity joint
shaft
fastener
coupled
Prior art date
Application number
PCT/KR2015/008668
Other languages
French (fr)
Korean (ko)
Inventor
조정현
Original Assignee
현대위아 주식회사
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Filing date
Publication date
Priority claimed from KR1020150115993A external-priority patent/KR20160051575A/en
Application filed by 현대위아 주식회사 filed Critical 현대위아 주식회사
Publication of WO2016068465A1 publication Critical patent/WO2016068465A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • 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
    • B60K17/24—Arrangements of mountings for shafting
    • 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
    • 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

Definitions

  • the present invention relates to a constant velocity joint connection shaft and a constant velocity joint assembly for a vehicle having the shaft. More specifically, the rigidity of the shaft can be improved by combining the constant velocity joint by inserting and wrapping the constant velocity joint inside both ends of the constant velocity joint connection shaft.
  • the present invention relates to a constant velocity joint connecting shaft capable of protecting the inner and outer rings of constant velocity joints from the outside, and a constant velocity joint assembly for a vehicle having the shaft.
  • a joint is used to transmit rotational power (torque) between rotation shafts having different angles of rotation.
  • rotational power torque
  • a hook joint or a flexible joint is used.
  • constant velocity joints are used.
  • the constant velocity joint includes a constant velocity joint connection shaft which connects between two constant velocity joints and the constant velocity joints when applied to a vehicle, and is also called a constant velocity joint assembly.
  • the constant velocity joint assembly is mainly used for the axle shaft of an independent suspension type front wheel drive vehicle because it can smoothly transmit power at a constant speed even when the drive shaft and the driven shaft have a large crossing angle
  • the engine side (Invo)
  • the constant velocity joint of the side) consists of a tripod type constant velocity joint
  • the wheel side (outboard side) consists of a ball type constant velocity joint about a shaft.
  • both sides of the shaft is fixed by friction welding to the hollow shaft, and both ends of the shaft to form a spline is coupled to the spider assembly and the inner race.
  • 1 is a cross-sectional view of a typical constant velocity joint assembly.
  • the general constant velocity joint assembly has a tripod-type joint in which the engine side (inboard side) is centered on the shaft 1, and the wheel side (out) centered on the shaft 1.
  • Board side consists of a ball type joint.
  • the tripod-type joint is rotated by receiving a rotational power of an engine (not shown), and is inserted into a housing 2 which functions as an outer ring and an inner groove of the housing 2 to rotate the housing 2. By rotation and functioning as an inner ring.
  • the spider assembly 2a is coupled to the shaft 1 and transmits the rotational power of the housing 2 to the shaft 1.
  • the spider assembly 2a includes a spider 3 having a tripod trunnion formed therein, a needle roller 5 provided on an outer circumferential surface of the trunnion of the spider 3, and the needle roller 5
  • the outer roller 4 is installed on the outer circumferential surface of the outer roller 4 to reduce the friction between the housing 2 and the shaft 1, and is installed on the upper end of the needle roller 5 to prevent the needle roller 5 from being separated.
  • a strike outer 7 and a retainer ring 6 are installed to prevent the strike outer 7 from being detached.
  • a boot 9 for connecting one end of the housing 2 and one end to the shaft 1, and fixing bands 10 and 11 for fixing the boot 9, respectively.
  • the ball-type joint is connected to one end of the shaft (1) and the inner race 15 to function as an inner ring
  • the outer race 13 is installed outside the inner race 15 and functions as an outer ring and
  • a plurality of balls 16 for transmitting the rotational power of the inner race 15 to the outer race 13, and a cage 14 for supporting the balls 16.
  • one end of the shaft 1 has a boot 18 connecting one end of the shaft 1 and one end to the outer race 13, and fixing bands 19 and 20 for fixing the boot 18.
  • the rotational power of the spider assembly 2a is transmitted to the shaft 1, and the rotational power of the shaft 1 passes through the inner race 15 and the ball 16 and the outer race 13. It is transmitted to the to rotate the wheel (not shown) connected to the outer race (13).
  • the shaft (1) is formed inside the hollow (1a) to reduce the weight, one side is formed with a spline (1c) for coupling with the outer race (13).
  • the shaft 1 of the general constant velocity joint assembly is manufactured by welding (1b) and connecting the central portion in which the hollow 1a is formed and the one side in which the spline 1c is formed, to each other, where the weld 1b is formed. Breakage problem occurs.
  • one end portion of the shaft 1 giving the spline 1c is thinly processed, so that there is a problem that the strength is weak and broken.
  • the present invention has been made to solve the above problems, and an object of the present invention is to insert constant velocity joints into spaces at both ends of a constant velocity joint connection shaft, so that the shaft can be connected in such a manner as to surround the constant velocity joint, thereby providing rigidity of the shaft.
  • the present invention provides a constant speed joint connection shaft capable of improving and protecting against the outside of constant speed joints, and a constant velocity joint assembly for a vehicle having the shaft.
  • the present invention connects a first constant velocity joint and a second constant velocity joint to each other, and is a shaft for connecting a constant velocity joint for transmitting a rotational force of the first constant velocity joint to the second constant velocity joint.
  • Shaft body A first constant velocity joint fastener formed integrally extending from an outer circumference of one end of the shaft body, the first constant velocity joint being inserted into and coupled to the first constant velocity joint; And a second constant velocity joint fastener formed integrally extending from the outer circumference of the other end of the shaft body, the second constant velocity joint being inserted into and coupled to the second constant velocity joint.
  • the hollow is formed inside the shaft body.
  • both ends of the shaft body are blocked by a cap and the hollow is separated from the inner space of the first constant velocity joint fastener and the second constant velocity joint fastener by the cap.
  • the diameter of the first constant velocity joint fastener and the second constant velocity joint fastener is larger than the diameter of the shaft body.
  • a first spline is formed on an inner surface of the first constant velocity joint fastener to couple and fix the outer ring of the first constant velocity joint, and a second constant velocity joint on an inner surface of the second constant velocity joint fastener.
  • a second spline is formed to which the outer ring of the can be coupled and fixed.
  • the inner surface of the first constant velocity joint fastener is formed with a first groove for guiding the inner ring of the first constant velocity joint to be rotated and rotated, the inner surface of the second constant velocity joint fastener A second groove is formed to guide the inner ring of the second constant velocity joint to rotate and rotate at the same time, wherein the first constant velocity joint fastener functions as an outer ring of the first constant velocity joint, and the second constant velocity joint is fastened.
  • the sphere can function as the outer ring of the second constant velocity joint.
  • the present invention also provides a shaft for connecting the constant velocity joint; A first constant velocity joint inserted into the first constant velocity joint fastener and coupled to the first constant velocity joint to transfer a rotational power of the engine to the constant velocity joint connection shaft; And a second constant velocity joint inserted into and coupled to the second constant velocity joint fastener and transmitting a rotational power of the shaft for connection to the constant velocity joint to the wheel.
  • first constant velocity joint and the second constant velocity joint are each a tripod type constant velocity joint or a ball type constant velocity joint.
  • the first constant velocity joint is a tripod type constant velocity joint
  • the second constant velocity joint is composed of a ball type constant velocity joint
  • the triport type constant velocity joint one side is connected to the engine, the inboard stem to receive the rotational power from the engine to rotate;
  • a spider assembly coupled to the other side of the inboard stem by an inner ring;
  • a groove coupled to an inner side of the first constant velocity joint fastener as an outer ring, and having a groove on the inner surface thereof so that the spider assembly rotates and rotates, and transmits rotational power of the spider assembly to the shaft for connecting the constant velocity joint.
  • the ball-type constant velocity joint is coupled to the inner side of the second constant velocity joint fastener by an outer ring, and a groove is formed on the inner surface to allow the following inner races to rotate at the same time.
  • An outer race that rotates with the shaft;
  • An inner race coupled to the inner groove of the outer race by an inner ring;
  • one side is coupled to the inner race, the other side is connected to the wheel, the outboard stem for transmitting the rotational power of the inner race to the wheel; includes.
  • the first boot is connected between the outer peripheral surface of the predetermined portion of the inboard stem and one end of the housing; And a second boot connected between an outer circumferential surface of the predetermined portion of the outboard stem and one end of the outer race.
  • the inner surface of the first constant velocity joint fastener is formed with a first groove for guiding the inner ring of the tripod-type constant velocity joint to be rotated and rotated
  • the inner surface of the second constant velocity joint fastener In the inner ring of the ball-type constant velocity joint is formed a second groove for guiding the rotation and rotation at the same time
  • the first constant velocity joint fastener serves as the outer ring of the tripod type constant velocity joint
  • the second constant velocity The joint fastener functions as an outer ring of the ball type constant velocity joint.
  • the triport type constant velocity joint one side is connected to the engine, the inboard stem is rotated by receiving power from the engine; And a spider assembly coupled to the other side of the inboard stem as an inner ring, inserted into the first groove, and transmitting a rotational power of the inboard stem to the shaft for connecting the constant velocity joint.
  • the inner race is inserted into the second groove as an inner ring and rotated by the rotational power of the shaft for connecting the constant velocity joint; And an outboard stem coupled to one side of the inner race and the other side connected to the wheel and rotating by the rotational power of the inner race.
  • a first boot connected between an outer peripheral surface of a predetermined portion of the inboard stem and an end of the first constant velocity joint fastener; And a second boot coupled between an outer peripheral surface of the predetermined portion of the outboard stem and an end of the second constant velocity joint fastener.
  • the constant velocity joints can be inserted into the inner spaces at both ends of the constant velocity joint connection shaft, so that the shaft can be connected in such a manner as to surround the constant velocity joint. It is possible to improve the rigidity and to protect from the outside of the constant velocity joints.
  • the both ends of the constant velocity joint connecting shaft can function as the outer ring of the constant velocity joint to be directly inserted, thereby reducing the weight and reducing the manufacturing cost. It can be lowered.
  • Figure 2 shows the appearance of the constant velocity joint assembly according to the first embodiment of the present invention
  • FIG. 3 is a cross-sectional view taken along line AA ′ of FIG. 2;
  • FIG. 4 is an exploded configuration diagram of a constant velocity joint assembly according to the first embodiment of the present invention.
  • FIG. 5 is an exploded configuration diagram of a constant velocity joint assembly according to a second exemplary embodiment of the present invention.
  • first boot 240 second boot
  • the constant velocity joint assembly 200 according to the first embodiment of the present invention is inserted into the constant velocity joint connection shaft 100, one side of the shaft 100 to the rotational power of the engine side of the shaft
  • the first constant velocity joint 210 to be transmitted to 100, the second constant velocity joint 220 is inserted into the other side of the shaft 100 to transmit the rotational power of the shaft 100 to the wheel side.
  • the shaft 100 is integrally extended to the shaft body 110, the first constant velocity joint fastener 120 integrally extended to one side of the shaft body 110 and the other side of the shaft body 110. It is configured to include a second constant velocity joint fastener (130).
  • first constant velocity joint 210 is inserted into and coupled to the first constant velocity joint fastener 120
  • second constant velocity joint 220 is inserted into and coupled to the second constant velocity joint fastener 130. do.
  • the constant velocity joint is not coupled to both ends of the shaft 110 as compared with the conventional constant velocity joint assembly, and the constant velocity joint is the shaft 110. Inserted into both ends of the shaft 110 is coupled to surround the constant velocity joints (210, 220).
  • the rigidity of the shaft 110 can be increased, and the constant velocity joints 210 and 220 can be protected from the outside.
  • the shaft 100 may be provided separately from the constant velocity joint assembly 200.
  • the constant velocity joint assembly 200 may include a shaft 100 for connecting a constant velocity joint, a first constant velocity joint 210, and a second constant velocity joint 220. It is made to include.
  • the shaft 100 is an axis for transmitting the rotational power of the first constant velocity joint 210 to the second constant velocity joint 220, and has a cylindrical shaft body 110 and one end of the shaft body 110. It is formed integrally extending from the outer circumferential surface, the first constant velocity joint fastener 120 and the other of the shaft body 110 to provide a space (120b) that can be inserted into and coupled to the first constant velocity joint (210) It is formed integrally extending from the outer surface of the end, and the second constant velocity joint 220 includes a second constant velocity joint fastener 130 to provide a space (130b) that can be inserted into and coupled inside.
  • the diameter of the first constant velocity joint fastener 120 and the second constant velocity joint fastener 130 is preferably larger than the diameter of the shaft body 110.
  • a hollow (110a) is formed inside the shaft body 110, the hollow (110a) serves to reduce the weight of the shaft (110).
  • one end of the shaft body 110 is blocked by the first cap 130, the other end of the shaft body 110 is blocked by the second cap (130).
  • the hollow 110a of the shaft body 110 is mutually different from the inner space 120b of the first constant velocity joint fastener 120 and the inner space 130b of the second constant velocity joint fastener 130. It is a separate space and does not communicate with each other.
  • a first spline 120a through which the outer ring of the first constant velocity joint 210 is inserted and fixed may be formed inside the first constant velocity joint fastener 120 and the second constant velocity joint fastener ( Inside the 120, a second spline 130a may be formed to which the outer ring of the second constant velocity joint 220 may be inserted and fixed.
  • the splines 120a and 130a serve to prevent slippage between the constant velocity joints 210 and 220 when the shaft 110 rotates.
  • the present invention may separately provide only the shaft 100 of the constant velocity joint assembly 200 according to the first embodiment of the present invention.
  • the first constant velocity joint 210 is inserted into and coupled to the first constant velocity joint fastener 120 and transmits the rotational power of the engine to the shaft 100.
  • first constant velocity joint 210 is provided as a tripod type constant velocity joint.
  • first constant velocity joint 210 may be provided as a ball type constant velocity joint, but the engine and the shaft 100 may be provided as a tripod type constant velocity joint having a high power transmission efficiency since the power transmission angle is relatively large. Do.
  • the first constant velocity joint 210 is coupled to the inboard stem 211 and the other side 211b of the inboard stem 211, one side 211a is connected to the engine and is rotated by receiving a rotational power from the engine. And inserted into the spider assembly 212 and the first constant velocity joint fastener 120, which rotate together with the inboard stem 211 and function as an inner ring, and the spider assembly 212 is coupled to the inside thereof.
  • the spider assembly 212 includes a housing 213 formed with a groove 213b that can rotate and rotate at the same time.
  • the inboard stem 211 may be indirectly connected to the engine through a transmission mission.
  • the outer surface of the housing 213 is formed with a spline 213a that can be coupled to the first spline 120a of the first constant velocity joint fastener 120, is coupled to the outside of the spider assembly 212 Function as an outer ring.
  • the spider assembly 212 and the housing 213 are inserted into and coupled to the first constant velocity joint fastener 120 to be protected from the outside.
  • the constant velocity joint assembly 200 connects the outer circumferential surface of the predetermined portion 211c of the inboard stem 211 and the outer circumferential surface 213c of one end of the housing 213 to each other,
  • the spider assembly 212 and the housing 213 may further include a first boot 230 to block foreign matter from entering.
  • first boot 230 may also prevent a grease filled in the first constant velocity joint fastener 120 from leaking to the outside.
  • the diameter of a predetermined portion 211c of the inboard stem 211 to which the first boot 230 is coupled is larger than the diameter of one side 211a and the other side 211b of the inboard stem 211.
  • both ends of the first boot 230 may be fixed by a band.
  • first boot 230 may be made of a resin material to be flexible.
  • the second constant velocity joint 220 is inserted into and coupled to the second constant velocity joint fastener 130 and transmits the rotational power of the shaft 100 to the wheels.
  • the second constant velocity joint 220 is provided as a ball type constant velocity joint.
  • the second constant velocity joint 220 may be provided as a tripod type constant velocity joint, but the shaft 100 and the wheel are preferably provided as a ball type constant velocity joint because the power transmission angle is relatively small.
  • the second constant velocity joint 220 is inserted into the second constant velocity joint fastener 130 and rotates together with the shaft 110 to serve as an outer race 221 and the outer race ( Inner race 222 that can be rotated and rotated at the same time as the inner ring 221, and functions as an inner ring, one side 223a is coupled to the inner race 222, the other side 223b is connected to the wheel to the inner It includes an outboard stem 223 for transmitting the rotational power of the race 222 to the wheel.
  • outer surface of the outer race 221 is formed with a spline 221a which can be coupled to each other and the second spline 130a of the second constant velocity joint fastener 130, the inner race 222
  • the grooves 221b are formed to be rotated at the same time the ball of the movement.
  • the outer race 222 may be protected from the outside.
  • the constant velocity joint assembly 200 connects the outer circumferential surface of the predetermined portion 223c of the outboard stem 223 and the outer circumferential surface 221c of one end of the outer race 221 to each other.
  • the inner race 222 and the outer race 221 may further include a second boot 240 to block foreign matter from entering.
  • the second boot 240 may also prevent a grease filled in the second constant velocity joint fastener 130 from leaking to the outside.
  • the diameter of a predetermined portion 223c of the outboard stem 223 to which the second boot 240 is coupled is larger than the diameter of one side 223a and the other side 223b of the outboard stem 223.
  • both ends of the second boot 240 may be fixed by a band.
  • the second boot 240 may be made of a resin material to be flexible.
  • Figure 5 shows a constant velocity joint assembly according to a second embodiment of the present invention
  • the constant velocity joint assembly 300 according to the second embodiment of the present invention is a constant velocity joint connection shaft 310, one side of the shaft 310
  • a first constant velocity joint 320 inserted into and coupled to the shaft 310 to transmit the rotational power of the engine to the shaft 310, and inserted and coupled to the other side of the shaft 310, and the rotational power of the shaft 310 to the wheels.
  • It comprises a second constant velocity joint 330 to deliver.
  • the shaft 310 is integrally formed on the shaft body 311, the first constant velocity joint fastener 312 which is integrally formed on one side outer circumferential surface of the shaft body 311 and the other outer circumferential surface of the shaft body 311. And a second constant velocity joint fastener 313 extending inwardly, and a hollow is formed in the shaft body 311.
  • the shape of the shaft 310 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is substantially the same as that of the shaft 100 of the constant velocity joint assembly 200 according to the first embodiment of the present invention. Same as
  • the spline is not formed inside the first constant velocity joint fastener 312, and the spider assembly 212 of the first constant velocity joint 320 is formed.
  • the grooves 312a which can be directly coupled to each other are formed, and the inside of the second constant velocity joint fastener 313 also has no spline, and the inner race 222 of the second constant velocity joint 330 is directly Groovable grooves 313a are formed.
  • first constant velocity joint fastener 312 serves as the outer ring of the spider assembly 212
  • second constant velocity joint fastener 313 serves as the outer ring of the inner race 222.
  • the first constant velocity joint fastener 312 serves as a housing 213 of the first constant velocity joint 210 according to the first embodiment of the present invention
  • the second constant velocity joint fastener 313 is It serves as the outer race 221 of the second constant velocity joint 220 according to the first embodiment of the present invention.
  • shaft 310 may be provided separately from the constant velocity joint assembly 300.
  • first constant velocity joint 320 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is the first constant velocity joint 210 and the constant velocity joint assembly 200 according to the first embodiment of the present invention.
  • the configuration of the housing 213 is removed and consists only of the inboard stem 211 and the spider assembly 212.
  • the second constant velocity joint 330 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is the second constant velocity joint 220 of the constant velocity joint assembly 200 according to the first embodiment of the present invention.
  • the configuration of the outer race 221 is removed and consists only of the inner race 222 and the outboard stem 223.
  • the number of parts is reduced compared to the constant velocity joint assembly 200 according to the first embodiment of the present invention, and thus the weight can be reduced. There is an advantage to lower the production cost.
  • the constant velocity joint assembly 300 may include a first boot 230 connected to an end portion of the first constant velocity joint fastener 312 and an outer circumference of a predetermined portion of the inboard stem 211. ) And a second boot 240 connected to an end portion of the second constant velocity joint fastener 313 and an outer circumference of the predetermined portion of the outboard stem 223, and the function of the second constant velocity joint fastener 313 may be performed. It is substantially the same as the first boot 230 and the second boot 240 of the constant velocity joint assembly 200 according to the embodiment.
  • the present invention can be used for the constant velocity joint connection shaft and the constant velocity joint assembly of the vehicle.

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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)
  • Sealing Devices (AREA)

Abstract

The present invention relates to a shaft for connecting a constant velocity joint and a vehicle constant velocity joint assembly having the shaft and, more particularly, to a shaft for connecting a constant velocity joint and a vehicle constant velocity joint assembly having the shaft, which couple the constant velocity joints in a manner in which the constant velocity joints are inserted into both end portions of the shaft so as to be covered, for connecting the constant velocity joint, thereby improving the rigidity of the shaft and protecting inner and outer races of the constant velocity joints on the outside.

Description

등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체Shaft for constant velocity joint connection and constant velocity joint assembly for vehicles with the shaft
본 발명은 등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체에 관한 것으로, 보다 구체적으로는 등속 조인트 연결용 샤프트의 양단부 내측으로 등속 조인트을 삽입하여 감싸는 형태로 결합함으로써 샤프트의 강성을 향상시킬 수 있고, 등속 조인트들의 내외륜을 외부로부터 보호할 수 있는 등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체에 관한 것이다.The present invention relates to a constant velocity joint connection shaft and a constant velocity joint assembly for a vehicle having the shaft. More specifically, the rigidity of the shaft can be improved by combining the constant velocity joint by inserting and wrapping the constant velocity joint inside both ends of the constant velocity joint connection shaft. The present invention relates to a constant velocity joint connecting shaft capable of protecting the inner and outer rings of constant velocity joints from the outside, and a constant velocity joint assembly for a vehicle having the shaft.
일반적으로 조인트는 회전축의 각도가 서로 다른 회전축들 간에 회전동력(토크)을 전달하기 위한 것으로서, 동력전달 각도가 작은 추진축의 경우에는 후크 조인트, 플렉시블 조인트 등이 사용되고, 동력전달 각도가 큰 전륜 구동차의 구동축의 경우에는 등속 조인트가 사용된다.In general, a joint is used to transmit rotational power (torque) between rotation shafts having different angles of rotation. In the case of a propulsion shaft having a small power transmission angle, a hook joint or a flexible joint is used. In the case of drive shafts, constant velocity joints are used.
또한, 상기 등속 조인트는 차량에 적용될 때, 두 개의 등속 조인트와 상기 등속 조인트들 사이를 연결하는 등속 조인트 연결용 샤프트를 포함하여 구성되며, 등속 조인트 조립체라고도 한다.In addition, the constant velocity joint includes a constant velocity joint connection shaft which connects between two constant velocity joints and the constant velocity joints when applied to a vehicle, and is also called a constant velocity joint assembly.
또한, 상기 등속 조인트 조립체는 구동축과 피동축의 교차각이 큰 경우에도 등속으로 원활하게 동력을 전달할 수 있기 때문에 독립 현가 방식의 전륜 구동차의 액슬축에 주로 사용되며, 샤프트를 중심으로 엔진측(인보드측)의 등속 조인트는 트라이포드 타입 등속 조인트로 이루어지고, 샤프트를 중심으로 바퀴측(아웃보드측)은 볼 타입 등속 조인트로 이루어진다.In addition, the constant velocity joint assembly is mainly used for the axle shaft of an independent suspension type front wheel drive vehicle because it can smoothly transmit power at a constant speed even when the drive shaft and the driven shaft have a large crossing angle, and the engine side (Invo) The constant velocity joint of the side) consists of a tripod type constant velocity joint, and the wheel side (outboard side) consists of a ball type constant velocity joint about a shaft.
한편, 차량의 경량화와 NVH 성능 향상을 도모하기 위하여, 최근에는 샤프트를 중공 사프트(파이프)로 구성하여 경량화하고자 노력이 있다.On the other hand, in order to reduce the weight of the vehicle and to improve the NVH performance, recently, there is an effort to reduce the weight by configuring the shaft as a hollow shaft (pipe).
이때, 상기 샤프트의 양측부는 중공 샤프트에 마찰 용접하여 고정하고, 샤프트의 양 끝단부에는 스플라인을 형성하여 스파이더 조립체와 이너레이스가 결합된다.At this time, both sides of the shaft is fixed by friction welding to the hollow shaft, and both ends of the shaft to form a spline is coupled to the spider assembly and the inner race.
도 1은 일반적인 등속 조인트 조립체의 단면 구성도이다.1 is a cross-sectional view of a typical constant velocity joint assembly.
도 1에 도시되어 있는 바와 같이 일반적인 등속 조인트 조립체의 구성은, 샤프트(1)를 중심으로 엔진측(인보드측)은 트라이포드 타입 조인트로 이루어지고, 상기 샤프트(1)를 중심으로 바퀴측(아웃보드측)은 볼 타입 조인트로 이루어진다.As shown in FIG. 1, the general constant velocity joint assembly has a tripod-type joint in which the engine side (inboard side) is centered on the shaft 1, and the wheel side (out) centered on the shaft 1. Board side) consists of a ball type joint.
상기 트라이포드 타입 조인트는 엔진(도시되지 않음)의 회전동력을 입력받아 회전하며, 외륜으로 기능하는 하우징(2)과, 상기 하우징(2)의 내부 그루브에 삽입되어 상기 하우징(2)의 회전에 의해 회전하며, 내륜으로 기능하는 스파이더 조립체(2a)를 포함한다.The tripod-type joint is rotated by receiving a rotational power of an engine (not shown), and is inserted into a housing 2 which functions as an outer ring and an inner groove of the housing 2 to rotate the housing 2. By rotation and functioning as an inner ring.
또한, 상기 스파이더 조립체(2a)는 상기 샤프트(1)와 결합하며, 상기 하우징(2)의 회전동력을 상기 샤프트(1)로 전달한다.In addition, the spider assembly 2a is coupled to the shaft 1 and transmits the rotational power of the housing 2 to the shaft 1.
또한, 상기 스파이더 조립체(2a)는 트라이포드 타입의 트러니언이 형성되어 있는 스파이더(3)와, 상기 스파이더(3)의 트러니언의 외주면에 설치되는 니들롤러(5)와, 상기 니들롤러(5)의 외주면에 설치되어 상기 하우징(2)과 샤프트(1)의 마찰을 감소시키는 아우터 롤러(4)와, 상기 니들롤러(5)의 상단에 설치되어 상기 니들롤러(5)의 이탈을 방지하는 스트라이크 아우터(7)와, 상기 스트라이크 아우터(7)가 이탈되는 것을 방지하기 위하여 설치되는 리테이너링(6)을 포함한다.The spider assembly 2a includes a spider 3 having a tripod trunnion formed therein, a needle roller 5 provided on an outer circumferential surface of the trunnion of the spider 3, and the needle roller 5 The outer roller 4 is installed on the outer circumferential surface of the outer roller 4 to reduce the friction between the housing 2 and the shaft 1, and is installed on the upper end of the needle roller 5 to prevent the needle roller 5 from being separated. A strike outer 7 and a retainer ring 6 are installed to prevent the strike outer 7 from being detached.
또한, 상기 하우징(2)에 일단에는 상기 하우징(2)의 일단과 상기 샤프트(1)에 일단을 연결하는 부트(9)와, 상기 부트(9)를 각각 고정시키기 위한 고정밴드(10,11)를 포함하여 이루어진다.In addition, at one end of the housing 2, a boot 9 for connecting one end of the housing 2 and one end to the shaft 1, and fixing bands 10 and 11 for fixing the boot 9, respectively. )
또한, 상기 볼 타입 조인트는 상기 샤프트(1)의 일단에 연결 설치되어 내륜으로 기능하는 이너 레이스(15)와, 상기 이너 레이스(15)의 외부에 설치되어 외륜으로 기능하는 아우터 레이스(13)와, 상기 이너 레이스(15)의 회전동력을 상기 아우터 레이스(13)에 전달하기 위한 다수 개의 볼(16)과, 상기 볼(16)을 지지하기 위한 케이지(14)를 포함한다.In addition, the ball-type joint is connected to one end of the shaft (1) and the inner race 15 to function as an inner ring, the outer race 13 is installed outside the inner race 15 and functions as an outer ring and , A plurality of balls 16 for transmitting the rotational power of the inner race 15 to the outer race 13, and a cage 14 for supporting the balls 16.
또한, 상기 샤프트(1)의 일단에는 상기 샤프트(1)의 일단과 상기 아웃터 레이스(13)에 일단을 연결하는 부트(18)와, 상기 부트(18)를 고정시키기 위한 고정밴드(19, 20)를 포함하여 이루어진다.In addition, one end of the shaft 1 has a boot 18 connecting one end of the shaft 1 and one end to the outer race 13, and fixing bands 19 and 20 for fixing the boot 18. )
상기 구성에 의한 일반적인 등속 조인트 조립체의 동작은 다음과 같다.General operation of the constant velocity joint assembly according to the above configuration is as follows.
먼저, 엔진(도시되지 않음)으로부터 출력된 회전동력이 트랜스미션(도시되지 않음)을 거쳐 상기 하우징(2)에 전달되면 상기 하우징(2)이 회전되며, 이러한 하우징(2)의 회전동력은 상기 아우터 롤러(4), 상기 니들롤러(5)를 통해 상기 스파이더(3)로 전달됨으로써 상기 스파이더 조립체(2a)가 회전한다.First, when the rotational power output from the engine (not shown) is transmitted to the housing 2 via a transmission (not shown), the housing 2 is rotated, and the rotational power of the housing 2 is the outer The spider assembly 2a rotates by being transferred to the spider 3 through the roller 4 and the needle roller 5.
또한, 상기 스파이더 조립체(2a)의 회전동력은 상기 샤프트(1)로 전달되며,상기 샤프트(1)의 회전동력은 상기 이너 레이스(15)와 상기 볼(16)을 거쳐 상기 아우터 레이스(13)로 전달됨으로써 상기 아우터 레이스(13)에 연결되는 바퀴(도시되지 않음)를 회전시키게 된다.In addition, the rotational power of the spider assembly 2a is transmitted to the shaft 1, and the rotational power of the shaft 1 passes through the inner race 15 and the ball 16 and the outer race 13. It is transmitted to the to rotate the wheel (not shown) connected to the outer race (13).
한편, 상기 샤프트(1)는 중량 저감을 위해 내부에 중공(1a)이 형성되며, 일측에는 상기 아우터 레이스(13)와 결합하기 위한 스플라인(1c)이 형성된다.On the other hand, the shaft (1) is formed inside the hollow (1a) to reduce the weight, one side is formed with a spline (1c) for coupling with the outer race (13).
그러나, 상기 일반적인 등속 조인트 조립체의 샤프트(1)는 중공(1a)이 형성된 중앙 부분과 스플라인(1c)이 형성된 일측 부분을 서로 용접(1b)하여 연결함으로써 제작되는데, 이 용접(1b)된 부위에서 파손되는 문제점이 발생한다. 또한, 스플라인(1c)을 주는 샤프트(1)의 일측 끝 부분이 얇게 처리되어 강도가 약해 부러지는 문제점이 있다.However, the shaft 1 of the general constant velocity joint assembly is manufactured by welding (1b) and connecting the central portion in which the hollow 1a is formed and the one side in which the spline 1c is formed, to each other, where the weld 1b is formed. Breakage problem occurs. In addition, one end portion of the shaft 1 giving the spline 1c is thinly processed, so that there is a problem that the strength is weak and broken.
본 발명은 상술한 문제점들을 해결하기 위해 안출된 것으로 본 발명의 목적은 등속 조인트 연결용 샤프트의 양단부 내측 공간으로 등속 조인트들을 삽입하여, 샤프트가 등속 조인트를 감싸주는 형태로 연결할 수 있으므로 샤프트의 강성을 향상시킬 수 있고, 등속 조인트들의 외부로부터 보호할 수 있는 등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체를 제공하는 데 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to insert constant velocity joints into spaces at both ends of a constant velocity joint connection shaft, so that the shaft can be connected in such a manner as to surround the constant velocity joint, thereby providing rigidity of the shaft. The present invention provides a constant speed joint connection shaft capable of improving and protecting against the outside of constant speed joints, and a constant velocity joint assembly for a vehicle having the shaft.
본 발명의 목적들은 이상에서 언급한 목적들로 제한되지 않으며, 언급되지 않은 또 다른 목적들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.
상기의 목적을 달성하기 위하여 본 발명은 제1 등속 조인트와 제2 등속 조인트를 서로 연결하며, 상기 제1 등속 조인트의 회전력을 상기 제2 등속 조인트로 전달하기 위한 위한 등속 조인트 연결용 샤프트로서, 원통형의 샤프트 본체; 상기 샤프트 본체의 일단부 외주에서 일체로 연장되어 형성되며, 상기 제1 등속 조인트가 내측으로 삽입되어 결합할 수 있는 제1 등속 조인트 체결구; 및 상기 샤프트 본체의 타단부 외주에서 일체로 연장되어 형성되며, 상기 제2 등속 조인트가 내측으로 삽입되어 결합할 수 있는 제2 등속 조인트 체결구;을 포함하는 것을 특징으로 하는 등속 조인트 연결용 샤프트를 제공한다.In order to achieve the above object, the present invention connects a first constant velocity joint and a second constant velocity joint to each other, and is a shaft for connecting a constant velocity joint for transmitting a rotational force of the first constant velocity joint to the second constant velocity joint. Shaft body; A first constant velocity joint fastener formed integrally extending from an outer circumference of one end of the shaft body, the first constant velocity joint being inserted into and coupled to the first constant velocity joint; And a second constant velocity joint fastener formed integrally extending from the outer circumference of the other end of the shaft body, the second constant velocity joint being inserted into and coupled to the second constant velocity joint. to provide.
바람직한 실시예에 있어서, 상기 샤프트 본체의 내부에는 중공이 형성된다.In a preferred embodiment, the hollow is formed inside the shaft body.
바람직한 실시예에 있어서, 상기 샤프트 본체의 양단부는 캡에 의해 막혀 있고, 상기 중공은 상기 캡에 의해 상기 제1 등속 조인트 체결구와 상기 제2 등속 조인트 체결구의 내측 공간과 서로 분리된다.In a preferred embodiment, both ends of the shaft body are blocked by a cap and the hollow is separated from the inner space of the first constant velocity joint fastener and the second constant velocity joint fastener by the cap.
바람직한 실시예에 있어서, 상기 제1 등속 조인트 체결구와 상기 제2 등속 조인트 체결구의 직경은 상기 샤프트 본체의 직경보다 크다.In a preferred embodiment, the diameter of the first constant velocity joint fastener and the second constant velocity joint fastener is larger than the diameter of the shaft body.
바람직한 실시예에 있어서, 상기 제1 등속 조인트 체결구의 내면에는 상기 제1 등속 조인트의 외륜이 결합하여 고정될 수 있는 제1 스플라인이 형성되고, 상기 제2 등속 조인트 체결구의 내면에는 상기 제2 등속 조인트의 외륜이 결합하여 고정될 수 있는 제2 스플라인이 형성된다.In a preferred embodiment, a first spline is formed on an inner surface of the first constant velocity joint fastener to couple and fix the outer ring of the first constant velocity joint, and a second constant velocity joint on an inner surface of the second constant velocity joint fastener. A second spline is formed to which the outer ring of the can be coupled and fixed.
바람직한 실시예에 있어서, 상기 제1 등속 조인트 체결구의 내면에는 상기 제1 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제1 그루브가 형성되고, 상기 제2 등속 조인트 체결구의 내면에는 상기 제2 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제2 그루브가 형성되어, 상기 제1 등속 조인트 체결구는 상기 제1 등속 조인트의 외륜으로 기능하고, 상기 제2 등속 조인트 체결구는 상기 제2 등속 조인트의 외륜으로 기능할 수 있다.In a preferred embodiment, the inner surface of the first constant velocity joint fastener is formed with a first groove for guiding the inner ring of the first constant velocity joint to be rotated and rotated, the inner surface of the second constant velocity joint fastener A second groove is formed to guide the inner ring of the second constant velocity joint to rotate and rotate at the same time, wherein the first constant velocity joint fastener functions as an outer ring of the first constant velocity joint, and the second constant velocity joint is fastened. The sphere can function as the outer ring of the second constant velocity joint.
또한, 본 발명은 상기 등속 조인트 연결용 샤프트; 상기 제1 등속 조인트 체결구에 삽입되어 결합하고, 엔진의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 제1 등속 조인트; 및 상기 제2 등속 조인트 체결구에 삽입되어 결합하고, 상기 등속 조인트 연결용 샤프트의 회전동력을 바퀴로 전달하는 제2 등속 조인트;를 포함하는 것을 특징으로 하는 등속 조인트 조립체를 더 제공한다.The present invention also provides a shaft for connecting the constant velocity joint; A first constant velocity joint inserted into the first constant velocity joint fastener and coupled to the first constant velocity joint to transfer a rotational power of the engine to the constant velocity joint connection shaft; And a second constant velocity joint inserted into and coupled to the second constant velocity joint fastener and transmitting a rotational power of the shaft for connection to the constant velocity joint to the wheel.
바람직한 실시예에 있어서, 상기 제1 등속 조인트 및 상기 제2 등속 조인트는 각각 트라이포드 타입 등속 조인트 또는 볼 타입 등속 조인트이다.In a preferred embodiment, the first constant velocity joint and the second constant velocity joint are each a tripod type constant velocity joint or a ball type constant velocity joint.
바람직한 실시예에 있어서, 상기 제1 등속 조인트는 트라이포드 타입 등속 조인트이고, 상기 제2 등속 조인트는 볼 타입 등속 조인트로 구성된다.In a preferred embodiment, the first constant velocity joint is a tripod type constant velocity joint, and the second constant velocity joint is composed of a ball type constant velocity joint.
바람직한 실시예에 있어서, 상기 트라이포트 타입 등속 조인트는, 일측이 상기 엔진과 연결되고, 상기 엔진으로부터 회전동력을 전달받아 회전하는 인보드 스템; 내륜으로써 상기 인보드 스템의 타측에 결합하는 스파이더 조립체; 및 외륜으로써 상기 제1 등속 조인트 체결구의 내측에 결합하고, 내면에 상기 스파이더 조립체가 회전하는 동시에 회동할 수 있게 하는 그루브가 형성되며, 상기 스파이더 조립체의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 하우징;을 포함한다.In a preferred embodiment, the triport type constant velocity joint, one side is connected to the engine, the inboard stem to receive the rotational power from the engine to rotate; A spider assembly coupled to the other side of the inboard stem by an inner ring; And a groove coupled to an inner side of the first constant velocity joint fastener as an outer ring, and having a groove on the inner surface thereof so that the spider assembly rotates and rotates, and transmits rotational power of the spider assembly to the shaft for connecting the constant velocity joint. Housing;
바람직한 실시예에 있어서, 상기 볼 타입 등속 조인트는, 외륜으로써 상기 제2 등속 조인트 체결구의 내측에 결합하고, 내면에 아래의 인너레이스가 회전하는 동시에 할 수 있게 하는 그루브가 형성되며, 상기 등속 조인트 연결용 샤프트와 함께 회전하는 아우터레이스; 내륜으로써 상기 아우터레이스의 내측 그루브에 결합하는 이너레이스; 및 일측은 상기 이너레이스에 결합되고, 타측은 상기 바퀴과 연결되며, 상기 이너레이스의 회전동력을 상기 바퀴로 전달하는 아웃보드 스템;을 포함한다.In a preferred embodiment, the ball-type constant velocity joint is coupled to the inner side of the second constant velocity joint fastener by an outer ring, and a groove is formed on the inner surface to allow the following inner races to rotate at the same time. An outer race that rotates with the shaft; An inner race coupled to the inner groove of the outer race by an inner ring; And one side is coupled to the inner race, the other side is connected to the wheel, the outboard stem for transmitting the rotational power of the inner race to the wheel; includes.
바람직한 실시예에 있어서, 상기 인보드 스템의 소정 부위 외주면과 상기 하우징의 일단부 사이에 연결되는 제1 부트; 및 상기 아웃보드 스템의 소정 부위 외주면과 상기 아우터레이스의 일단부 사이에 연결되는 제2 부트;를 포함한다.In a preferred embodiment, the first boot is connected between the outer peripheral surface of the predetermined portion of the inboard stem and one end of the housing; And a second boot connected between an outer circumferential surface of the predetermined portion of the outboard stem and one end of the outer race.
바람직한 실시예에 있어서, 상기 제1 등속 조인트 체결구의 내면에는 상기 트라이포드 타입 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제1 그루브가 형성되고, 상기 제2 등속 조인트 체결구의 내면에는 상기 볼 타입 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제2 그루브가 형성되어, 상기 제1 등속 조인트 체결구는 상기 트라이포드 타입 등속 조인트의 외륜으로 기능하고, 상기 제2 등속 조인트 체결구는 상기 볼 타입 등속 조인트의 외륜으로 기능한다.In a preferred embodiment, the inner surface of the first constant velocity joint fastener is formed with a first groove for guiding the inner ring of the tripod-type constant velocity joint to be rotated and rotated, the inner surface of the second constant velocity joint fastener In the inner ring of the ball-type constant velocity joint is formed a second groove for guiding the rotation and rotation at the same time, the first constant velocity joint fastener serves as the outer ring of the tripod type constant velocity joint, the second constant velocity The joint fastener functions as an outer ring of the ball type constant velocity joint.
바람직한 실시예에 있어서, 상기 트라이포트 타입 등속 조인트는, 일측이 상기 엔진과 연결되고, 상기 엔진으로부터 동력을 전달 받아 회전하는 인보드 스템; 및 내륜으로써 상기 인보드 스템의 타측에 결합하고, 상기 제1 그루브에 삽입되며, 상기 인보드 스템의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 스파이더 조립체;를 포함하고, 상기 볼 타입 등속 조인트는, 내륜으로써 상기 제2 그루브에 삽입되며, 상기 등속 조인트 연결용 샤프트의 회전동력에 의해 회전하는 이너레이스; 및 일측은 상기 이너레이스에 결합되고, 타측은 상기 바퀴와 연결되며, 상기 이너레이스의 회전동력에 의해 회전하는 아웃보드 스템;을 포함한다.In a preferred embodiment, the triport type constant velocity joint, one side is connected to the engine, the inboard stem is rotated by receiving power from the engine; And a spider assembly coupled to the other side of the inboard stem as an inner ring, inserted into the first groove, and transmitting a rotational power of the inboard stem to the shaft for connecting the constant velocity joint. The inner race is inserted into the second groove as an inner ring and rotated by the rotational power of the shaft for connecting the constant velocity joint; And an outboard stem coupled to one side of the inner race and the other side connected to the wheel and rotating by the rotational power of the inner race.
바람직한 실시예에 있어서, 상기 인보드 스템의 소정 부위 외주면과 상기 제1 등속 조인트 체결구의 단부 사이에 연결되는 제1 부트; 및 상기 아웃보드 스템의 소정 부위 외주면과 상기 제2 등속 조인트 체결구의 단부 사이에 연결되는 제2 부트;를 포함한다.In a preferred embodiment, a first boot connected between an outer peripheral surface of a predetermined portion of the inboard stem and an end of the first constant velocity joint fastener; And a second boot coupled between an outer peripheral surface of the predetermined portion of the outboard stem and an end of the second constant velocity joint fastener.
본 발명의 등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체에 의하면, 등속 조인트 연결용 샤프트의 양단부 내측 공간으로 등속 조인트들을 삽입하여, 샤프트가 등속 조인트를 감싸주는 형태로 연결할 수 있으므로 샤프트의 강성을 향상시킬 수 있고, 등속 조인트들의 외부로부터 보호할 수 있는 효과가 있다.According to the constant velocity joint connection shaft of the present invention and the constant velocity joint assembly for a vehicle having the shaft, the constant velocity joints can be inserted into the inner spaces at both ends of the constant velocity joint connection shaft, so that the shaft can be connected in such a manner as to surround the constant velocity joint. It is possible to improve the rigidity and to protect from the outside of the constant velocity joints.
또한, 본 발명의 등속 조인트 연결용 샤프트 및 그 샤프트를 갖는 차량용 등속 조인트 조립체에 의하면 등속 조인트 연결용 샤프트의 양단부가 직접 삽입되는 등속조인트의 외륜으로 기능할 수 있으므로 중량을 저감할 수 있고 제작단가를 낮출 수 있는 효과가 있다.In addition, according to the constant velocity joint connecting shaft of the present invention and the constant velocity joint assembly for a vehicle having the shaft, the both ends of the constant velocity joint connecting shaft can function as the outer ring of the constant velocity joint to be directly inserted, thereby reducing the weight and reducing the manufacturing cost. It can be lowered.
도 1은 일반적인 등속 조인트 조립체의 단면 구성도,1 is a cross-sectional configuration of a general constant velocity joint assembly,
도 2는 본 발명의 제1 실시예에 따른 등속 조인트 조립체의 외관을 보여주는 도면,Figure 2 shows the appearance of the constant velocity joint assembly according to the first embodiment of the present invention,
도 3은 도 2의 A-A'선 단면도,3 is a cross-sectional view taken along line AA ′ of FIG. 2;
도 4은 본 발명의 제1 실시예에 다른 등속 조인트 조립체의 분해 구성도,4 is an exploded configuration diagram of a constant velocity joint assembly according to the first embodiment of the present invention;
도 5는 본 발명의 제2 실시예에 따른 등속 조인트 조립체의 분해 구성도이다.5 is an exploded configuration diagram of a constant velocity joint assembly according to a second exemplary embodiment of the present invention.
<부호의설명><Description of the sign>
100,310:등속 조인트 연결용 샤프트 110,311:샤프트 본체100,310: Shaft 110,311 for the constant velocity joint connection shaft body
120,312:제1 등속 조인트 체결구 130,313:제2 등속 조인트 체결구120,312: First constant velocity joint fastener 130,313: Second constant velocity joint fastener
210,320:제1 등속 조인트 211:인보드 스템210,320: First constant velocity joint 211: Inboard stem
212:스파이더 조립체 213:하우징212: Spider Assembly 213: Housing
220,330:제2 등속 조인트 체결구 221:아우터 레이스220,330: Secondary constant velocity joint fastener 221: Outer race
222:이너 레이스 223:아웃보드 스템222: inner race 223: outboard stem
230:제1 부트 240:제2 부트230: first boot 240: second boot
본 발명에서 사용되는 용어는 가능한 현재 널리 사용되는 일반적인 용어를 선택하였으나, 특정한 경우는 출원인이 임의로 선정한 용어도 있는데 이 경우에는 단순한 용어의 명칭이 아닌 발명의 상세한 설명 부분에 기재되거나 사용된 의미를 고려하여 그 의미가 파악되어야 할 것이다.The terms used in the present invention were selected as general terms as widely used as possible, but in some cases, the terms arbitrarily selected by the applicant are included. In this case, the meanings described or used in the detailed description of the present invention are considered, rather than simply the names of the terms. The meaning should be grasped.
이하, 첨부한 도면에 도시된 바람직한 실시예들을 참조하여 본 발명의 기술적 구성을 상세하게 설명한다.Hereinafter, with reference to the preferred embodiments shown in the accompanying drawings will be described in detail the technical configuration of the present invention.
그러나, 본 발명은 여기서 설명되는 실시예에 한정되지 않고 다른 형태로 구체화 될 수도 있다. 명세서 전체에 걸쳐 동일한 참조번호는 동일한 구성요소를 나타낸다.However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Like numbers refer to like elements throughout the specification.
[제1 실시예][First Embodiment]
도 2를 참조하면, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)는 등속 조인트 연결용 샤프트(100), 상기 샤프트(100)의 일측 내부로 삽입되어 엔진측의 회전동력을 상기 샤프트(100)로 전달하는 제1 등속 조인트(210), 상기 샤프트(100)의 타측 내부로 삽입되어 상기 샤프트(100)의 회전동력을 바퀴측으로 전달하는 제2 등속 조인트(220)를 포함하여 이루어진다.2, the constant velocity joint assembly 200 according to the first embodiment of the present invention is inserted into the constant velocity joint connection shaft 100, one side of the shaft 100 to the rotational power of the engine side of the shaft The first constant velocity joint 210 to be transmitted to 100, the second constant velocity joint 220 is inserted into the other side of the shaft 100 to transmit the rotational power of the shaft 100 to the wheel side.
또한, 상기 샤프트(100)는 샤프트 본체(110), 상기 샤프트 본체(110)의 일측에 일체로 연장된 제1 등속 조인트 체결구(120) 및 상기 샤프트 본체(110)의 타측에 일체로 연장된 제2 등속 조인트 체결구(130)를 포함하여 구성된다.In addition, the shaft 100 is integrally extended to the shaft body 110, the first constant velocity joint fastener 120 integrally extended to one side of the shaft body 110 and the other side of the shaft body 110. It is configured to include a second constant velocity joint fastener (130).
또한, 상기 제1 등속 조인트(210)는 상기 제1 등속 조인트 체결구(120)로 삽입되어 결합하고, 상기 제2 등속 조인트(220)는 상기 제2 등속 조인트 체결구(130)로 삽입되어 결합한다.In addition, the first constant velocity joint 210 is inserted into and coupled to the first constant velocity joint fastener 120, and the second constant velocity joint 220 is inserted into and coupled to the second constant velocity joint fastener 130. do.
즉, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)는 종래의 등속 조인트 조립체와 비교하여 상기 샤프트(110)의 양단 외측에 등속 조인트가 결합되는 것이 아니라 등속 조인트가 상기 샤프트(110)의 양단 내부로 삽입되어 상기 샤프트(110)가 상기 등속 조인트들(210,220)을 감싸며 결합된다.That is, in the constant velocity joint assembly 200 according to the first embodiment of the present invention, the constant velocity joint is not coupled to both ends of the shaft 110 as compared with the conventional constant velocity joint assembly, and the constant velocity joint is the shaft 110. Inserted into both ends of the shaft 110 is coupled to surround the constant velocity joints (210, 220).
따라서, 상기 샤프트(110)의 강성은 높일 수 있고, 상기 등속 조인트들(210,220)을 외부로 부터 보호할 수 있다.Therefore, the rigidity of the shaft 110 can be increased, and the constant velocity joints 210 and 220 can be protected from the outside.
또한, 상기 샤프트(100)는 상기 등속 조인트 조립체(200)와는 별도로 제공될 수 있다.In addition, the shaft 100 may be provided separately from the constant velocity joint assembly 200.
이하에서는 도 3 및 도 4를 참조하여 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)의 구성을 상세히 설명한다.Hereinafter, the configuration of the constant velocity joint assembly 200 according to the first embodiment of the present invention will be described in detail with reference to FIGS. 3 and 4.
도 3 및 도 4를 참조하면, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)는 등속 조인트 연결용 샤프트(100), 제1 등속 조인트(210) 및 제2 등속 조인트(220)를 포함하여 이루어진다.3 and 4, the constant velocity joint assembly 200 according to the first embodiment of the present invention may include a shaft 100 for connecting a constant velocity joint, a first constant velocity joint 210, and a second constant velocity joint 220. It is made to include.
상기 샤프트(100)는 상기 제1 등속 조인트(210)의 회전동력을 상기 제2 등속 조인트(220)로 전달하기 위한 축으로써, 원통형의 샤프트 본체(110), 상기 샤프트 본체(110)의 일단부 외주면에서 일체로 연장 형성되며, 상기 제1 등속 조인트(210)가 내부로 삽입되어 결합할 수 있는 공간(120b)을 제공하는 제1 등속 조인트 체결구(120) 및 상기 샤프트 본체(110)의 타단부 외부면에서 일체로 연장 형성되며, 상기 제2 등속 조인트(220)가 내부로 삽입되어 결합할 수 있는 공간(130b)을 제공하는 제2 등속 조인트 체결구(130)를 포함하여 이루어진다.The shaft 100 is an axis for transmitting the rotational power of the first constant velocity joint 210 to the second constant velocity joint 220, and has a cylindrical shaft body 110 and one end of the shaft body 110. It is formed integrally extending from the outer circumferential surface, the first constant velocity joint fastener 120 and the other of the shaft body 110 to provide a space (120b) that can be inserted into and coupled to the first constant velocity joint (210) It is formed integrally extending from the outer surface of the end, and the second constant velocity joint 220 includes a second constant velocity joint fastener 130 to provide a space (130b) that can be inserted into and coupled inside.
또한, 상기 제1 등속 조인트 체결구(120)와 상기 제2 등속 조인트 체결구(130)의 직경은 상기 샤프트 본체(110)의 직경보다 큰 것이 바람직하다.In addition, the diameter of the first constant velocity joint fastener 120 and the second constant velocity joint fastener 130 is preferably larger than the diameter of the shaft body 110.
또한, 상기 샤프트 본체(110)의 내부에는 중공(110a)이 형성되며 상기 중공(110a)은 상기 샤프트(110)의 중량을 저감할 수 있는 역할을 한다.In addition, a hollow (110a) is formed inside the shaft body 110, the hollow (110a) serves to reduce the weight of the shaft (110).
또한, 상기 샤프트 본체(110)의 일단부는 제1 캡(130)에 의해 막혀있고, 상기 샤프트 본체(110)의 타단부는 제2 캡(130)에 의해 막혀있다.In addition, one end of the shaft body 110 is blocked by the first cap 130, the other end of the shaft body 110 is blocked by the second cap (130).
즉, 상기 샤프트 본체(110)의 중공(110a)은 상기 제1 등속 조인트 체결구(120)의 내측 공간(120b)와 상기 제2 등속 조인트 체결구(130)의 내측 공간(130b)과는 서로 분리된 공간이며 서로 연통되지 않는다.That is, the hollow 110a of the shaft body 110 is mutually different from the inner space 120b of the first constant velocity joint fastener 120 and the inner space 130b of the second constant velocity joint fastener 130. It is a separate space and does not communicate with each other.
이는, 상기 제1 등속 조인트 체결구(120)와 상기 제2 등속 조인트 체결구(130) 내측 공간에 그리스가 채워졌을 때, 상기 샤프트 본체(110)의 중공(110a)으로 유입되는 것을 차단하기 위함이다.This is to block the inflow into the hollow 110a of the shaft body 110 when grease is filled in the inner space of the first constant velocity joint fastener 120 and the second constant velocity joint fastener 130. to be.
또한, 상기 제1 등속 조인트 체결구(120)의 내측에는 상기 제1 등속 조인트(210)의 외륜이 삽입되어 고정될 수 있는 제1 스플라인(120a)이 형성되고, 상기 제2 등속 조인트 체결구(120)의 내측에는 상기 제2 등속 조인트(220)의 외륜이 삽입되어 고정될 수 있는 제2 스플라인(130a)이 형성된다.In addition, a first spline 120a through which the outer ring of the first constant velocity joint 210 is inserted and fixed may be formed inside the first constant velocity joint fastener 120 and the second constant velocity joint fastener ( Inside the 120, a second spline 130a may be formed to which the outer ring of the second constant velocity joint 220 may be inserted and fixed.
또한, 상기 스플라인들(120a,130a)는 상기 샤프트(110)가 회전할 때, 상기 등속 조인트들(210,220)과 슬립이 발생하는 것을 방지하는 역할을 한다.In addition, the splines 120a and 130a serve to prevent slippage between the constant velocity joints 210 and 220 when the shaft 110 rotates.
한편, 본 발명은 본 발명의 제1 실시예에 따른 따른 등속 조인트 조립체(200) 중, 상기 샤프트(100)만을 별도로 제공할 수 있다.Meanwhile, the present invention may separately provide only the shaft 100 of the constant velocity joint assembly 200 according to the first embodiment of the present invention.
상기 제1 등속 조인트(210)는 상기 제1 등속 조인트 체결구(120)에 삽입되어 결합하고, 엔진의 회전동력을 상기 샤프트(100)로 전달한다.The first constant velocity joint 210 is inserted into and coupled to the first constant velocity joint fastener 120 and transmits the rotational power of the engine to the shaft 100.
또한, 상기 제1 등속 조인트(210)는 트라이포드 타입 등속 조인트로 구비된다.In addition, the first constant velocity joint 210 is provided as a tripod type constant velocity joint.
또한, 상기 제1 등속 조인트(210)는 볼 타입 등속 조인트로 구비될 수 있으나 엔진과 상기 샤프트(100)는 동력전달 각도가 비교적 크므로 동력전달 효율이 높은 트라이포드 타입 등속 조인트로 구비하는 것이 바람직하다.In addition, the first constant velocity joint 210 may be provided as a ball type constant velocity joint, but the engine and the shaft 100 may be provided as a tripod type constant velocity joint having a high power transmission efficiency since the power transmission angle is relatively large. Do.
또한, 상기 제1 등속 조인트(210)는 일측(211a)이 엔진과 연결되고 엔진으로부터 회전동력을 전달받아 회전하는 인보드 스템(211), 상기 인보드 스템(211)의 타측(211b)에 결합되어 상기 인보드 스템(211)과 함께 회전하며 내륜으로 기능하는 스파이더 조립체(212), 상기 제1 등속 조인트 체결구(120)의 내부로 삽입되고, 내측에는 상기 스파이더 조립체(212)가 결합하여, 상기 스파이더 조립체(212)가 회전하는 동시에 회동할 수 있는 그루브(213b)가 형성된 하우징(213)을 포함한다.In addition, the first constant velocity joint 210 is coupled to the inboard stem 211 and the other side 211b of the inboard stem 211, one side 211a is connected to the engine and is rotated by receiving a rotational power from the engine. And inserted into the spider assembly 212 and the first constant velocity joint fastener 120, which rotate together with the inboard stem 211 and function as an inner ring, and the spider assembly 212 is coupled to the inside thereof. The spider assembly 212 includes a housing 213 formed with a groove 213b that can rotate and rotate at the same time.
또한, 상기 인보드 스템(211)은 트렌스 미션을 통해 엔진과 간접적으로 연결될 수 있다.In addition, the inboard stem 211 may be indirectly connected to the engine through a transmission mission.
또한, 상기 하우징(213)의 외면에는 상기 제1 등속 조인트 체결구(120)의 제1 스플라인(120a)과 결합할 수 있는 스플라인(213a)이 형성되며, 상기 스파이더 조립체(212)의 외측에 결합하여 외륜으로 기능한다.In addition, the outer surface of the housing 213 is formed with a spline 213a that can be coupled to the first spline 120a of the first constant velocity joint fastener 120, is coupled to the outside of the spider assembly 212 Function as an outer ring.
즉, 상기 스파이더 조립체(212)와 상기 하우징(213)은 상기 제1 등속 조인트 체결구(120)의 내부로 삽입되어 결합하므로 외부로부터 보호될 수 있는 것이다.That is, the spider assembly 212 and the housing 213 are inserted into and coupled to the first constant velocity joint fastener 120 to be protected from the outside.
또한, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)는 상기 인보드 스템(211)의 소정 부위(211c) 외주면과 상기 하우징(213)의 일단부 외주면(213c)을 서로 연결하며, 상기 스파이더 조립체(212)와 상기 하우징(213) 내부로 이물질이 유입되는 것을 차단하는 제1 부트(230)를 더 포함할 수 있다.In addition, the constant velocity joint assembly 200 according to the first embodiment of the present invention connects the outer circumferential surface of the predetermined portion 211c of the inboard stem 211 and the outer circumferential surface 213c of one end of the housing 213 to each other, The spider assembly 212 and the housing 213 may further include a first boot 230 to block foreign matter from entering.
또한, 상기 제1 부트(230)는 상기 제1 등속 조인트 체결구(120) 내부에 충전되는 그리스가 외부로 유출되는 것을 방지하는 기능도 수행한다.In addition, the first boot 230 may also prevent a grease filled in the first constant velocity joint fastener 120 from leaking to the outside.
또한, 상기 제1 부트(230)가 결합하는 상기 인보드 스템(211)의 소정 부위(211c) 직경은 상기 인보드 스템(211)의 일측(211a) 및 타측(211b)의 직경보다 큰 것이 바람직하다.In addition, the diameter of a predetermined portion 211c of the inboard stem 211 to which the first boot 230 is coupled is larger than the diameter of one side 211a and the other side 211b of the inboard stem 211. Do.
또한, 상기 제1 부트(230)의 양단은 밴드에 의해 고정될 수 있다.In addition, both ends of the first boot 230 may be fixed by a band.
또한, 상기 제1 부트(230)는 플렉시블하도록 수지재로 제작될 수 있다.In addition, the first boot 230 may be made of a resin material to be flexible.
상기 제2 등속 조인트(220)는 상기 제2 등속 조인트 체결구(130)에 삽입되어 결합하고, 상기 샤프트(100)의 회전동력을 바퀴로 전달한다.The second constant velocity joint 220 is inserted into and coupled to the second constant velocity joint fastener 130 and transmits the rotational power of the shaft 100 to the wheels.
또한, 상기 제2 등속 조인트(220)는 볼 타입 등속 조인트로 구비된다.In addition, the second constant velocity joint 220 is provided as a ball type constant velocity joint.
또한, 상기 제2 등속 조인트(220)는 트라이포드 타입 등속 조인트로 구비될 수 있으나 상기 샤프트(100)와 바퀴는 동력전달 각도가 비교적 작으므로 볼 타입 등속 조인트로 구비하는 것이 바람직하다.In addition, the second constant velocity joint 220 may be provided as a tripod type constant velocity joint, but the shaft 100 and the wheel are preferably provided as a ball type constant velocity joint because the power transmission angle is relatively small.
또한, 상기 제2 등속 조인트(220)는 상기 제2 등속 조인트 체결구(130)의 내측에 삽입되어 상기 샤프트(110)와 함께 회전하며, 외륜으로 기능하는 아우터 레이스(221), 상기 아우터 레이스(221)의 내측에 결합하여 회전하는 동시에 회동할 수 있고 내륜으로 기능하는 이너 레이스(222), 일측(223a)은 상기 이너 레이스(222)와 결합하고, 타측(223b)은 바퀴와 연결되어 상기 이너 레이스(222)의 회전동력을 바퀴로 전달하는 아웃보드 스템(223)을 포함한다.In addition, the second constant velocity joint 220 is inserted into the second constant velocity joint fastener 130 and rotates together with the shaft 110 to serve as an outer race 221 and the outer race ( Inner race 222 that can be rotated and rotated at the same time as the inner ring 221, and functions as an inner ring, one side 223a is coupled to the inner race 222, the other side 223b is connected to the wheel to the inner It includes an outboard stem 223 for transmitting the rotational power of the race 222 to the wheel.
또한, 상기 아우터 레이스(221)의 외면에는 상기 제2 등속 조인트 체결구(130)의 제2 스플라인(130a)과 서로 결합할 수 있는 스플라인(221a)이 형성되며, 내면에는 상기 이너 레이스(222)의 볼이 이동하는 동시에 회전할 수 있는 그루브(221b)가 형성된다.In addition, the outer surface of the outer race 221 is formed with a spline 221a which can be coupled to each other and the second spline 130a of the second constant velocity joint fastener 130, the inner race 222 The grooves 221b are formed to be rotated at the same time the ball of the movement.
즉, 상기 이너 레이스(222)와 상기 아우터 레이스(221)가 상기 제2 등속 조인트 체결구(130)의 내부로 삽입되어 감싸지는 형태로 결합하므로 외부로 부터 보호될 수 있는 것이다.That is, since the inner race 222 and the outer race 221 are inserted into the inner race 222 and fastened to the inside of the second constant velocity joint fastener 130, the outer race 222 may be protected from the outside.
또한, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)는 상기 아웃보드 스템(223)의 소정 부위(223c) 외주면과 상기 아우터 레이스(221)의 일단부 외주면(221c)을 서로 연결하여, 상기 이너 레이스(222)와 상기 아우터 레이스(221)의 내부로 이물질이 유입되는 것을 차단하는 제2 부트(240)를 더 포함할 수 있다.In addition, the constant velocity joint assembly 200 according to the first embodiment of the present invention connects the outer circumferential surface of the predetermined portion 223c of the outboard stem 223 and the outer circumferential surface 221c of one end of the outer race 221 to each other. In addition, the inner race 222 and the outer race 221 may further include a second boot 240 to block foreign matter from entering.
또한, 상기 제2 부트(240)는 상기 제2 등속 조인트 체결구(130) 내부에 충전되는 그리스가 외부로 유출되는 것을 방지하는 기능도 수행한다.In addition, the second boot 240 may also prevent a grease filled in the second constant velocity joint fastener 130 from leaking to the outside.
또한, 상기 제2 부트(240)가 결합하는 상기 아웃보드 스템(223)의 소정 부위(223c) 직경은 상기 아웃보드 스템(223)의 일측(223a) 및 타측(223b)의 직경보다 큰 것이 바람직하다.In addition, the diameter of a predetermined portion 223c of the outboard stem 223 to which the second boot 240 is coupled is larger than the diameter of one side 223a and the other side 223b of the outboard stem 223. Do.
또한, 상기 제2 부트(240)의 양단은 밴드에 의해 고정될 수 있다.In addition, both ends of the second boot 240 may be fixed by a band.
또한, 상기 제2 부트(240)는 플렉시블하도록 수지재로 제작될 수 있다.In addition, the second boot 240 may be made of a resin material to be flexible.
[제2 실시예]Second Embodiment
도 5는 본 발명의 제2 실시예에 따른 등속 조인트 조립체를 보여주는 것으로 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)는 등속 조인트 연결용 샤프트(310), 상기 샤프트(310)의 일측에 삽입되어 결합하고 엔진의 회전동력을 상기 샤프트(310)로 전달하는 제1 등속 조인트(320), 상기 샤프트(310)의 타측에 삽입되어 결합하고, 상기 샤프트(310)의 회전동력을 바퀴로 전달하는 제2 등속 조인트(330)를 포함하여 이루어진다.Figure 5 shows a constant velocity joint assembly according to a second embodiment of the present invention, the constant velocity joint assembly 300 according to the second embodiment of the present invention is a constant velocity joint connection shaft 310, one side of the shaft 310 A first constant velocity joint 320 inserted into and coupled to the shaft 310 to transmit the rotational power of the engine to the shaft 310, and inserted and coupled to the other side of the shaft 310, and the rotational power of the shaft 310 to the wheels. It comprises a second constant velocity joint 330 to deliver.
또한, 상기 샤프트(310)는 샤프트 본체(311), 상기 샤프트 본체(311)의 일측 외주면에서 일체로 연장 형성되는 제1 등속 조인트 체결구(312) 및 상기 샤프트 본체(311)의 타측 외주면에서 일체로 연장 형성되는 제2 등속 조인트 체결구(313)를 포함하며, 상기 샤프트 본체(311)의 내부에는 중공이 형성된다.In addition, the shaft 310 is integrally formed on the shaft body 311, the first constant velocity joint fastener 312 which is integrally formed on one side outer circumferential surface of the shaft body 311 and the other outer circumferential surface of the shaft body 311. And a second constant velocity joint fastener 313 extending inwardly, and a hollow is formed in the shaft body 311.
즉, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)의 샤프트(310)는 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)의 샤프트(100)와 비교하여 그 형상은 실질적으로 동일하다.That is, the shape of the shaft 310 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is substantially the same as that of the shaft 100 of the constant velocity joint assembly 200 according to the first embodiment of the present invention. Same as
다만, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)는 상기 제1 등속 조인트 체결구(312)의 내부에 스플라인이 형성되지 않고, 상기 제1 등속 조인트(320)의 스파이더 조립체(212)가 직접 결합할 수 있는 그루브(312a)가 형성되며, 상기 제2 등속 조인트 체결구(313)의 내부 역시 스플라인이 형성되지 않고, 상기 제2 등속 조인트(330)의 이너 레이스(222)가 직접 결합할 수 있는 그루브(313a)가 형성된다.However, in the constant velocity joint assembly 300 according to the second embodiment of the present invention, the spline is not formed inside the first constant velocity joint fastener 312, and the spider assembly 212 of the first constant velocity joint 320 is formed. The grooves 312a which can be directly coupled to each other are formed, and the inside of the second constant velocity joint fastener 313 also has no spline, and the inner race 222 of the second constant velocity joint 330 is directly Groovable grooves 313a are formed.
즉, 상기 제1 등속 조인트 체결구(312)는 상기 스파이더 조립체(212)의 외륜으로 기능하고, 상기 제2 등속 조인트 체결구(313)는 상기 이너 레이스(222)의 외륜으로 기능하는 것이다.That is, the first constant velocity joint fastener 312 serves as the outer ring of the spider assembly 212, and the second constant velocity joint fastener 313 serves as the outer ring of the inner race 222.
다시 말해서, 상기 제1 등속 조인트 체결구(312)는 본 발명의 제1 실시예에 따른 제1 등속 조인트(210)의 하우징(213) 역할을 하고, 상기 제2 등속 조인트 체결구(313)는 본 발명의 제1 실시예에 따른 제2 등속 조인트(220)의 아우터 레이스(221)의 역할을 한다.In other words, the first constant velocity joint fastener 312 serves as a housing 213 of the first constant velocity joint 210 according to the first embodiment of the present invention, and the second constant velocity joint fastener 313 is It serves as the outer race 221 of the second constant velocity joint 220 according to the first embodiment of the present invention.
또한, 본 발명의 제2 실시예에 따른 샤프트(310)는 상기 등속 조인트 조립체(300)와는 별도로 제공될 수 있다.In addition, the shaft 310 according to the second embodiment of the present invention may be provided separately from the constant velocity joint assembly 300.
또한, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)의 제1 등속 조인트(320)는 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)의 제1 등속 조인트(210)와 비교하여 하우징(213)의 구성은 제거되고 인보드 스템(211)과 스파이더 조립체(212)만을 포함하여 이루어진다.In addition, the first constant velocity joint 320 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is the first constant velocity joint 210 and the constant velocity joint assembly 200 according to the first embodiment of the present invention. In comparison, the configuration of the housing 213 is removed and consists only of the inboard stem 211 and the spider assembly 212.
또한, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)의 제2 등속 조인트(330)는 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)의 제2 등속 조인트(220)와 비교하여 아우터 레이스(221)의 구성은 제거되고 이너 레이스(222)와 아웃보드 스템(223)만을 포함하여 이루이진다.In addition, the second constant velocity joint 330 of the constant velocity joint assembly 300 according to the second embodiment of the present invention is the second constant velocity joint 220 of the constant velocity joint assembly 200 according to the first embodiment of the present invention. In comparison, the configuration of the outer race 221 is removed and consists only of the inner race 222 and the outboard stem 223.
따라서, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)에 의하면, 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)와 비교하여 부품 수가 줄어 들므로 중량을 저감할 수 있고, 생산비용을 낮출 수 있는 장점이 있다.Therefore, according to the constant velocity joint assembly 300 according to the second embodiment of the present invention, the number of parts is reduced compared to the constant velocity joint assembly 200 according to the first embodiment of the present invention, and thus the weight can be reduced. There is an advantage to lower the production cost.
또한, 본 발명의 제2 실시예에 따른 등속 조인트 조립체(300)는 상기 제1 등속 조인트 체결구(312)의 단부와 상기 인보드 스템(211)의 소정 부분 외주에 연결되는 제1 부트(230)와 상기 제2 등속 조인트 체결구(313)의 단부와 상기 아웃보드 스템(223)의 소정 부분 외주에 연결되는 제2 부트(240)를 더 포함할 수 있으며, 그 기능은 본 발명의 제1 실시예에 따른 등속 조인트 조립체(200)의 제1 부트(230) 및 제2 부트(240)와 실질적으로 동일하다.In addition, the constant velocity joint assembly 300 according to the second exemplary embodiment of the present invention may include a first boot 230 connected to an end portion of the first constant velocity joint fastener 312 and an outer circumference of a predetermined portion of the inboard stem 211. ) And a second boot 240 connected to an end portion of the second constant velocity joint fastener 313 and an outer circumference of the predetermined portion of the outboard stem 223, and the function of the second constant velocity joint fastener 313 may be performed. It is substantially the same as the first boot 230 and the second boot 240 of the constant velocity joint assembly 200 according to the embodiment.
이상에서 살펴본 바와 같이 본 발명은 바람직한 실시예를 들어 도시하고 설명하였으나, 상기한 실시예에 한정되지 아니하며 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경과 수정이 가능할 것이다.As described above, the present invention has been illustrated and described with reference to preferred embodiments, but is not limited to the above-described embodiments, and is provided to those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.
본 발명은 차량의 등속 조인트 연결용 샤프트 및 등속 조인트 조립체에 이용이 가능하다.The present invention can be used for the constant velocity joint connection shaft and the constant velocity joint assembly of the vehicle.

Claims (15)

  1. 제1 등속 조인트와 제2 등속 조인트를 서로 연결하며, 상기 제1 등속 조인트의 회전력을 상기 제2 등속 조인트로 전달하기 위한 위한 등속 조인트 연결용 샤프트로서,A constant velocity joint connecting shaft for connecting a first constant velocity joint and a second constant velocity joint to each other, and transmitting a rotational force of the first constant velocity joint to the second constant velocity joint,
    원통형의 샤프트 본체;Cylindrical shaft body;
    상기 샤프트 본체의 일단부 외주에서 일체로 연장되어 형성되며, 상기 제1 등속 조인트가 내측으로 삽입되어 결합할 수 있는 제1 등속 조인트 체결구; 및A first constant velocity joint fastener formed integrally extending from an outer circumference of one end of the shaft body, the first constant velocity joint being inserted into and coupled to the first constant velocity joint; And
    상기 샤프트 본체의 타단부 외주에서 일체로 연장되어 형성되며, 상기 제2 등속 조인트가 내측으로 삽입되어 결합할 수 있는 제2 등속 조인트 체결구;을 포함하는 것을 특징으로 하는 등속 조인트 연결용 샤프트.And a second constant velocity joint fastener formed integrally extending from the outer circumference of the other end of the shaft body, the second constant velocity joint being inserted into and coupled to the second constant velocity joint.
  2. 제 1 항에 있어서,The method of claim 1,
    상기 샤프트 본체의 내부에는 중공이 형성된 것을 특징으로 하는 등속 조인트 연결용 샤프트.A shaft for connection of a constant velocity joint, characterized in that a hollow is formed in the shaft body.
  3. 제 2 항에 있어서,The method of claim 2,
    상기 샤프트 본체의 양단부는 캡에 의해 막혀 있고, 상기 중공은 상기 캡에 의해 상기 제1 등속 조인트 체결구와 상기 제2 등속 조인트 체결구의 내측 공간과 서로 분리되는 것을 특징으로 하는 등속 조인트 연결용 샤프트.Both ends of the shaft body is blocked by a cap, and the hollow is separated from each other by the cap and the inner space of the first constant velocity joint fastener and the second constant velocity joint fastener.
  4. 제 3 항에 있어서,The method of claim 3, wherein
    상기 제1 등속 조인트 체결구와 상기 제2 등속 조인트 체결구의 직경은 상기 샤프트 본체의 직경보다 큰 것을 특징으로 하는 등속 조인트 연결용 샤프트.And the diameter of the first constant velocity joint fastener and the second constant velocity joint fastener is larger than the diameter of the shaft body.
  5. 제 3 항에 있어서,The method of claim 3, wherein
    상기 제1 등속 조인트 체결구의 내면에는 상기 제1 등속 조인트의 외륜이 결합하여 고정될 수 있는 제1 스플라인이 형성되고,On the inner surface of the first constant velocity joint fastener is formed a first spline which can be fixed by the outer ring of the first constant velocity joint,
    상기 제2 등속 조인트 체결구의 내면에는 상기 제2 등속 조인트의 외륜이 결합하여 고정될 수 있는 제2 스플라인이 형성되는 것을 특징으로 하는 등속 조인트 연결용 샤프트.And a second spline on the inner surface of the second constant velocity joint fastener, the outer ring of the second constant velocity joint can be coupled and fixed.
  6. 제 3 항에 있어서,The method of claim 3, wherein
    상기 제1 등속 조인트 체결구의 내면에는 상기 제1 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제1 그루브가 형성되고,A first groove is formed on an inner surface of the first constant velocity joint fastener to guide the inner race of the first constant velocity joint to be rotated and rotated at the same time.
    상기 제2 등속 조인트 체결구의 내면에는 상기 제2 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제2 그루브가 형성되어,A second groove is formed on an inner surface of the second constant velocity joint fastener to guide the inner ring of the second constant velocity joint to be rotated and rotated at the same time.
    상기 제1 등속 조인트 체결구는 상기 제1 등속 조인트의 외륜으로 기능하고, 상기 제2 등속 조인트 체결구는 상기 제2 등속 조인트의 외륜으로 기능하는 것을 특징으로 하는 등속 조인트 연결용 샤프트.The first constant velocity joint fastener serves as an outer ring of the first constant velocity joint, and the second constant velocity joint fastener functions as an outer ring of the second constant velocity joint.
  7. 제 1 항 내지 제 5 항 중 어느 한 항의 등속 조인트 연결용 샤프트;The constant velocity joint connection shaft of any one of Claims 1-5;
    상기 제1 등속 조인트 체결구에 삽입되어 결합하고, 엔진의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 제1 등속 조인트; 및A first constant velocity joint inserted into the first constant velocity joint fastener and coupled to the first constant velocity joint to transfer a rotational power of the engine to the constant velocity joint connection shaft; And
    상기 제2 등속 조인트 체결구에 삽입되어 결합하고, 상기 등속 조인트 연결용 샤프트의 회전동력을 바퀴로 전달하는 제2 등속 조인트;를 포함하는 것을 특징으로 하는 등속 조인트 조립체.And a second constant velocity joint inserted into and coupled to the second constant velocity joint fastener and transmitting a rotational power of the shaft for connection to the constant velocity joint to a wheel.
  8. 제 7 항에 있어서,The method of claim 7, wherein
    상기 제1 등속 조인트 및 상기 제2 등속 조인트는 각각 트라이포드 타입 등속 조인트 또는 볼 타입 등속 조인트인 것을 특징으로 하는 등속 조인트 조립체.And the first constant velocity joint and the second constant velocity joint are each a tripod type constant velocity joint or a ball type constant velocity joint.
  9. 제 8 항에 있어서,The method of claim 8,
    상기 제1 등속 조인트는 트라이포드 타입 등속 조인트이고, 상기 제2 등속 조인트는 볼 타입 등속 조인트인 것을 특징으로 하는 동속 조인트 조립체.And said first constant velocity joint is a tripod type constant velocity joint and said second constant velocity joint is a ball type constant velocity joint.
  10. 제 9 항에 있어서,The method of claim 9,
    상기 트라이포트 타입 등속 조인트는, The triport type constant velocity joint,
    일측이 상기 엔진과 연결되고, 상기 엔진으로부터 회전동력을 전달받아 회전하는 인보드 스템;An inboard stem connected to one side of the engine and receiving rotational power from the engine;
    내륜으로써 상기 인보드 스템의 타측에 결합하는 스파이더 조립체; 및A spider assembly coupled to the other side of the inboard stem by an inner ring; And
    외륜으로써 상기 제1 등속 조인트 체결구의 내측에 결합하고, 내면에 상기 스파이더 조립체가 회전하는 동시에 회동할 수 있게 하는 그루브가 형성되며, 상기 스파이더 조립체의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 하우징;을 포함하는 것을 특징으로 하는 등속 조인트 조립체.The outer ring is coupled to the inside of the first constant velocity joint fastener, and a groove is formed on the inner surface to allow the spider assembly to rotate and rotate at the same time. Constant velocity joint assembly comprising a.
  11. 제 10 항에 있어서,The method of claim 10,
    상기 볼 타입 등속 조인트는,The ball type constant velocity joint,
    외륜으로써 상기 제2 등속 조인트 체결구의 내측에 결합하고, 내면에 아래의 인너레이스가 회전하는 동시에 할 수 있게 하는 그루브가 형성되며, 상기 등속 조인트 연결용 샤프트와 함께 회전하는 아우터레이스;An outer race coupled to an inner side of the second constant velocity joint fastener as an outer ring and having a groove formed thereon to allow the inner race to rotate at the same time, and rotating together with the shaft for connecting the constant velocity joint;
    내륜으로써 상기 아우터레이스의 내측 그루브에 결합하는 이너레이스; 및An inner race coupled to the inner groove of the outer race by an inner ring; And
    일측은 상기 이너레이스에 결합되고, 타측은 상기 바퀴과 연결되며, 상기 이너레이스의 회전동력을 상기 바퀴로 전달하는 아웃보드 스템;을 포함하는 것을 특징으로 하는 등속 조인트 조립체.One side is coupled to the inner race, the other side is connected to the wheel, the outboard stem for transmitting the rotational power of the inner race to the wheel; constant velocity joint assembly comprising a.
  12. 제 11 항에 있어서,The method of claim 11,
    상기 인보드 스템의 소정 부위 외주면과 상기 하우징의 일단부 사이에 연결되는 제1 부트; 및A first boot connected between an outer circumferential surface of the inboard stem and one end of the housing; And
    상기 아웃보드 스템의 소정 부위 외주면과 상기 아우터레이스의 일단부 사이에 연결되는 제2 부트;를 포함하는 것을 특징으로 하는 등속 조인트 조립체.And a second boot connected between an outer circumferential surface of the outboard stem and one end of the outer race.
  13. 제 9 항에 있어서,The method of claim 9,
    상기 제1 등속 조인트 체결구의 내면에는 상기 트라이포드 타입 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제1 그루브가 형성되고,The inner surface of the first constant velocity joint fastener is formed with a first groove which guides the inner ring of the tripod type constant velocity joint to be inserted and rotated and rotated,
    상기 제2 등속 조인트 체결구의 내면에는 상기 볼 타입 등속 조인트의 내륜이 삽입되어 회전하는 동시에 회동할 수 있도록 안내하는 제2 그루브가 형성되어,A second groove is formed on an inner surface of the second constant velocity joint fastener to guide the inner ring of the ball type constant velocity joint to be rotated and rotated at the same time.
    상기 제1 등속 조인트 체결구는 상기 트라이포드 타입 등속 조인트의 외륜으로 기능하고, 상기 제2 등속 조인트 체결구는 상기 볼 타입 등속 조인트의 외륜으로 기능하는 것을 특징으로 하는 등속 조인트 조립체.And the first constant velocity joint fastener serves as the outer ring of the tripod type constant velocity joint, and the second constant velocity joint fastener serves as the outer ring of the ball type constant velocity joint.
  14. 제 13 항에 있어서,The method of claim 13,
    상기 트라이포트 타입 등속 조인트는, The triport type constant velocity joint,
    일측이 상기 엔진과 연결되고, 상기 엔진으로부터 동력을 전달 받아 회전하는 인보드 스템; 및An inboard stem connected to one side of the engine and receiving power from the engine; And
    내륜으로써 상기 인보드 스템의 타측에 결합하고, 상기 제1 그루브에 삽입되며, 상기 인보드 스템의 회전동력을 상기 등속 조인트 연결용 샤프트로 전달하는 스파이더 조립체;를 포함하고,And a spider assembly coupled to the other side of the inboard stem as an inner ring and inserted into the first groove, and transmitting a rotational power of the inboard stem to the constant velocity joint connection shaft.
    상기 볼 타입 등속 조인트는,The ball type constant velocity joint,
    내륜으로써 상기 제2 그루브에 삽입되며, 상기 등속 조인트 연결용 샤프트의 회전동력에 의해 회전하는 이너레이스; 및An inner race inserted into the second groove as an inner ring and rotating by rotational power of the shaft for connecting the constant velocity joint; And
    일측은 상기 이너레이스에 결합되고, 타측은 상기 바퀴와 연결되며, 상기 이너레이스의 회전동력에 의해 회전하는 아웃보드 스템;을 포함하는 것을 특징으로 하는 등속 조인트 조립체.One side is coupled to the inner race, the other side is connected to the wheel, the outboard stem to rotate by the rotational power of the inner race; constant velocity joint assembly comprising a.
  15. 제 14 항에 있어서,The method of claim 14,
    상기 인보드 스템의 소정 부위 외주면과 상기 제1 등속 조인트 체결구의 단부 사이에 연결되는 제1 부트; 및A first boot connected between an outer peripheral surface of the predetermined portion of the inboard stem and an end of the first constant velocity joint fastener; And
    상기 아웃보드 스템의 소정 부위 외주면과 상기 제2 등속 조인트 체결구의 단부 사이에 연결되는 제2 부트;를 포함하는 것을 특징으로 하는 등속 조인트 조립체.And a second boot connected between an outer circumferential surface of the outboard stem and an end of the second constant velocity joint fastener.
PCT/KR2015/008668 2014-10-31 2015-08-19 Shaft for connecting constant velocity joint and vehicle constant velocity joint assembly having shaft WO2016068465A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2014-0150429 2014-10-31
KR20140150429 2014-10-31
KR1020150115993A KR20160051575A (en) 2014-10-31 2015-08-18 Shaft for connecting constant velocity joints and constant velocity joint assembly having the shaft for vehicle
KR10-2015-0115993 2015-08-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10169666A (en) * 1996-12-04 1998-06-23 Ntn Corp Drive shaft
US20040235575A1 (en) * 2003-05-19 2004-11-25 Katsuhiro Sakurai Power transmission shaft
US20090082117A1 (en) * 2004-08-02 2009-03-26 Katsuhiro Sakurai Hollow power transmission shaft and method of manufacturing the same
KR20140059041A (en) * 2012-11-07 2014-05-15 현대위아 주식회사 Tripod type constant velocity joint
KR20140074074A (en) * 2012-12-07 2014-06-17 현대위아 주식회사 Inner race for ball type constant velocity joint for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10169666A (en) * 1996-12-04 1998-06-23 Ntn Corp Drive shaft
US20040235575A1 (en) * 2003-05-19 2004-11-25 Katsuhiro Sakurai Power transmission shaft
US20090082117A1 (en) * 2004-08-02 2009-03-26 Katsuhiro Sakurai Hollow power transmission shaft and method of manufacturing the same
KR20140059041A (en) * 2012-11-07 2014-05-15 현대위아 주식회사 Tripod type constant velocity joint
KR20140074074A (en) * 2012-12-07 2014-06-17 현대위아 주식회사 Inner race for ball type constant velocity joint for vehicle

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