WO2016024733A1 - Embrayage de transmission de puissance utilisant un ressort - Google Patents

Embrayage de transmission de puissance utilisant un ressort Download PDF

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Publication number
WO2016024733A1
WO2016024733A1 PCT/KR2015/007660 KR2015007660W WO2016024733A1 WO 2016024733 A1 WO2016024733 A1 WO 2016024733A1 KR 2015007660 W KR2015007660 W KR 2015007660W WO 2016024733 A1 WO2016024733 A1 WO 2016024733A1
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WO
WIPO (PCT)
Prior art keywords
cam
clutch body
clutch
roller
spring
Prior art date
Application number
PCT/KR2015/007660
Other languages
English (en)
Korean (ko)
Inventor
윤무영
윤자영
구본탁
장주호
Original Assignee
(주) 중우엠텍
윤무영
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 (주) 중우엠텍, 윤무영 filed Critical (주) 중우엠텍
Publication of WO2016024733A1 publication Critical patent/WO2016024733A1/fr

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Classifications

    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
    • F16D13/71—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members in which the clutching pressure is produced by springs 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/04—Freewheels or freewheel clutches combined with a clutch for locking the driving and driven members

Definitions

  • the present invention relates to a power transmission clutch in which a spring transmits rotational force by using a cam and a roller in which elastic force is applied, and a slip occurs between the cam and the roller when an excessive external force is applied above a threshold in the power transmission process.
  • the power transmission clutch proposed in the present invention is a device in which slip is generated in the power transmission process when the external force (load) of a predetermined size or more is operated in the process of transmitting the rotational force, thereby preventing power transmission.
  • This prior art has a problem that excessive frictional heat is generated due to the constant friction between the tanji 16 and the rotary ring 19 in the process of slip occurs and the parts are easily worn.
  • the object of the present invention created to solve the above problems is as follows.
  • Another object of the present invention is to provide a power transmission clutch having a new structure by applying an elastically supported cam and roller.
  • the present invention relates to a power transmission clutch for transmitting rotational force.
  • the present invention the first clutch body 100 for receiving a rotational force from the drive shaft to rotate; And a second clutch body 200 which transmits the rotational force transmitted from the first clutch body 100 to the driven shaft.
  • the first clutch body 100 has a roller mounting portion 110 is formed to extend from the front end of the pillar protruding forward of the first clutch body 100; A plurality of roller coupling pins 120 mounted in a direction parallel to the central axis of the first clutch body 100 at the roller mounting portion 110 at a position spaced apart from the central axis of the first clutch body 100 by a predetermined distance; And a roller 130 having a center penetrated through each of the roller coupling pins 120 so as to be rotatably coupled to the space between the roller mounting unit 110 and the first clutch body 100.
  • the rotational force of the first clutch body 100 is the second clutch body 200 while the roller 130 is in contact with the cam protrusion 242 of the cam 240.
  • the roller 130 pushes the cam protrusion 242 of the cam 240 to the outside, thereby causing the slipping phenomenon to occur repeatedly. It features.
  • FIG. 2 is an exploded perspective view showing the power transmission clutch structure of the present invention.
  • Figure 3 shows the appearance of the power transmission clutch of the present invention assembled.
  • FIG. 4 is a sectional view showing a process in which slip is generated.
  • the present invention relates to a power transmission clutch that transmits rotational power, and includes a first clutch body 100 serving as a driving body and a second clutch body 200 serving as a follower.
  • the first clutch body 100 serves to transmit the rotational force to the second clutch body 200 while rotating by receiving the rotational force from the drive shaft.
  • the second clutch body 200 serves to transmit the rotational force transmitted from the first clutch body 100 to the driven shaft.
  • the first clutch body 100 is provided with a roller mounting portion 110, a roller coupling pin 120, a roller 130 and the like.
  • the roller mounting portion 110 is formed to extend from the front end of the pillar protruding toward the front of the first clutch body 100, as shown in Figure 2, the roller mounting portion 110 is the front of the roller coupling pin 120 It serves to support the end.
  • a plurality of roller coupling pins 120 are mounted in a direction parallel to the central axis of the first clutch body 100 in the roller mounting portion 110 at a position spaced apart from the central axis of the first clutch body 100 by a predetermined distance.
  • roller coupling pins 120 are arranged at intervals of 90 degrees, but are not necessarily limited to this arrangement form, and the arrangement interval and quantity can be changed in design.
  • the roller 130 has a center penetrated through each of the roller coupling pins 120 so as to be rotatably coupled to the space between the roller mounting unit 110 and the first clutch body 100.
  • roller coupling pin It serves to prevent the 120 is to move forward.
  • the first support ring 150 may be a member of a simple circular ring type or may be selected from the appropriate size of the bearing member.
  • the second clutch body 200 includes an internal space 210, a cam receiving cutout 220, a cam coupling pin 230, a cam 240, a spring 250, and the like.
  • the internal space 210 provides a space in which the roller 130 of the first clutch body 100 is inserted and accommodated through an open rear surface of the second clutch body 200. That is, it means a space formed inside the second clutch body 200.
  • the cam receiving cutout 220 is formed by cutting the side wall of the second clutch body 200 so that the side of the inner space 210 is opened, and the cam receiving cutout 220 includes a cam 240 and a spring ( 250) provides space for mounting.
  • the cam receiving cutting parts 220 may be provided on the side walls of the second clutch body 200 at 180 degree intervals so as to face each other, or at three locations at 120 degree intervals. Alternatively, only one location may be provided or three or more locations may be provided.
  • a plurality of cam coupling pins 230 are mounted in a direction parallel to the central axis of the second clutch body 200 so as to cross the cutting surface of the cam receiving cutout 220.
  • the cam 240 penetrates through each of the cam coupling pins 230 and is rotatably coupled to the inside of the cam receiving cutout 220 as shown in FIG. 3, and a spring support 241 is provided at one side of the cam 240. And the other side of the cam 240 is provided with a cam protrusion 242 protruding toward the inside of the second clutch body 200.
  • Two cams 240 are coupled to each of the cam receiving cutouts 220 as shown in FIG. 2, and the other side of the cams 240 is disposed to partially overlap so that the cam protrusions 242 are arranged side by side at the same position. Make effective use of space.
  • two cams 240 are not necessarily provided two by one, and only one cam 240 may be provided at the cam accommodation cutting unit 220.
  • the spring 250 is mounted inside the cam receiving cutout 220 to be in contact with the spring support 241 of the cam 240, and the cam protrusion 242 of the cam 240 opens the inside of the second clutch body 200. Elastic support in the direction of rotation toward.
  • a second support ring coupling protrusion 260 protruding forward In the center of the front end portion of the second clutch body 200 is provided a second support ring coupling protrusion 260 protruding forward, the second support ring coupling protrusion 260 is equipped with a second support ring 270 is mounted cam
  • the coupling pin 230 is prevented from moving forward, the diameter of the second support ring 270 between the second clutch body 200 and the second support ring 270 as shown in Figure 2 or 3
  • the large auxiliary ring 280 may be inserted to cover the front end of the cam coupling pin 230.
  • Figure 4 shows the operating principle of the power transmission clutch, as shown in Figure 4 (a) receives a rotational force from the drive shaft when the first clutch body 100 rotates the roller provided in the first clutch body 100 ( 130 is in contact with the cam projection 242 of the cam 240 provided in the second clutch body 200, thereby transmitting the rotational force of the first clutch body 100 to the second clutch body 200. do.
  • This slip phenomenon occurs repeatedly when the external force (load) is greater than the rotational force transmitted to the second clutch body 200, the roller 130 is coupled to the rotation itself so that the cam projection 242 in the slip process The cam protrusion 242 is rotated while being engaged in the rotation, so that excessive frictional heat is not generated and wear of the contact surface is minimized.
  • the first clutch 100 may transmit the rotational force regardless of whether it rotates clockwise or counterclockwise, and when an external force (load) of a predetermined size or more is applied, the first clutch in the state where the second clutch body 200 is stopped.
  • a slip phenomenon occurs in which only the body 100 rotates intermittently.
  • FIG. 5 illustrates a case in which two springs 250 are disposed on each of the spring support portions 241 of the cam 240 as another specific embodiment of the present invention. That is, if necessary, only one spring 250 may be mounted or used, and two springs may be used. If the quantity of springs 250 is changed, the threshold value (critical torque value) at which slip occurs may be changed. Flexibility depends on changes in the environment. In addition, the same effect can be obtained when the spring 250 having a different elastic modulus is used.
  • rollers 130 and the cams 240 are coupled by pins, respectively, and are provided with a ring to prevent the pins from being separated, so that a phenomenon such as bolt loosening does not occur even if a high-speed rotation, vibration, or shock occurs repeatedly. It can keep the combined state stably.
  • the structure is simple, can reduce the manufacturing cost and increase the durability and reliability of the product.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

La présente invention porte sur un embrayage de transmission de puissance transmettant une puissance de rotation, lequel embrayage de transmission de puissance comprend : un premier corps d'embrayage (5) tournant par le fait de recevoir une puissance de rotation à partir d'un arbre d'entraînement ; et un second corps d'embrayage (200) pour transmettre la puissance de rotation reçue à partir du premier corps d'embrayage (100) à un arbre passif, et dans lequel, quand le premier corps d'embrayage (100) tourne, la puissance de rotation de celui-ci est transmise au second corps d'embrayage (200) avec un rouleau (130) disposé sur le premier corps d'embrayage (100) en contact avec une saillie de came (242) d'une came (240) disposée sur le second corps d'embrayage (200), et, pendant le processus de transmission de puissance de rotation, si une charge supérieure ou égale à une charge d'une taille établie est appliquée à un arbre entraîné relié au second corps d'embrayage (200), alors, un phénomène de patinage se produit, dans lequel le rouleau (130) pousse la saillie de came (242) de la came (240) vers l'extérieur et patine.
PCT/KR2015/007660 2014-08-12 2015-07-23 Embrayage de transmission de puissance utilisant un ressort WO2016024733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140104300A KR101451318B1 (ko) 2014-08-12 2014-08-12 스프링을 이용한 동력전달 클러치
KR10-2014-0104300 2014-08-12

Publications (1)

Publication Number Publication Date
WO2016024733A1 true WO2016024733A1 (fr) 2016-02-18

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PCT/KR2015/007660 WO2016024733A1 (fr) 2014-08-12 2015-07-23 Embrayage de transmission de puissance utilisant un ressort

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KR (1) KR101451318B1 (fr)
WO (1) WO2016024733A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873277B1 (ko) * 2017-01-12 2018-08-02 (주)리얼감 클러치 유닛
CN111356853B (zh) * 2018-01-15 2022-03-29 株式会社F.C.C. 离心离合器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020020637A (ko) * 2000-09-08 2002-03-15 박창호 일방향 클러치
JP2007218360A (ja) * 2006-02-16 2007-08-30 Smc Corp 減速比自動切換装置
KR101279921B1 (ko) * 2012-11-29 2013-07-04 이두영 주기적인 동력단속용 클러치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000041938A (ko) * 1998-12-22 2000-07-15 이관기 자동차 무단변속기의 전,후진인식장치.
KR200328915Y1 (ko) 2003-07-18 2003-10-01 왕복권 탄지구 및 일방향 클러치를 이용한 자동회전문의동력전달구조
JP5869255B2 (ja) 2011-08-11 2016-02-24 株式会社ユニバンス 駆動力断接装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020020637A (ko) * 2000-09-08 2002-03-15 박창호 일방향 클러치
JP2007218360A (ja) * 2006-02-16 2007-08-30 Smc Corp 減速比自動切換装置
KR101279921B1 (ko) * 2012-11-29 2013-07-04 이두영 주기적인 동력단속용 클러치

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KR101451318B1 (ko) 2014-10-15

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