WO2008074215A1 - Ceinture de sécurité pour automobiles à contrôleur résistant à une traction inverse - Google Patents

Ceinture de sécurité pour automobiles à contrôleur résistant à une traction inverse Download PDF

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Publication number
WO2008074215A1
WO2008074215A1 PCT/CN2007/003581 CN2007003581W WO2008074215A1 WO 2008074215 A1 WO2008074215 A1 WO 2008074215A1 CN 2007003581 W CN2007003581 W CN 2007003581W WO 2008074215 A1 WO2008074215 A1 WO 2008074215A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
baffle
seat belt
paddle
cross
Prior art date
Application number
PCT/CN2007/003581
Other languages
English (en)
Chinese (zh)
Inventor
Xuedong Zhang
Original Assignee
Xuedong Zhang
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 Xuedong Zhang filed Critical Xuedong Zhang
Publication of WO2008074215A1 publication Critical patent/WO2008074215A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
    • B60R2022/4486—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions for cancelling the belt tension

Definitions

  • the invention belongs to the field of automobile interior safety belts, and particularly relates to a device for preventing the safety belt from pulling back during normal conditions of use. Background technique
  • Car seat belts are an important device to protect drivers and passengers while the vehicle is in motion.
  • the automobile seat belt in the prior art brings discomfort to the occupants, mainly because the tension of the seat belt is uncomfortable due to the free retracting tension of the seat belt;
  • the belt binds the human body, and the person buckles the seat belt to have a feeling of being tied up.
  • many drivers or passengers are reluctant to use seat belts.
  • traffic accidents caused by the use of seat belts do not occur.
  • a control device for the anti-back pull of the seat belt has been invented.
  • the Chinese invention patent No. ZL97244038. 0 discloses such a device.
  • the device is provided with a self-locking mechanism, the self-locking mechanism is composed of a fixed locking piece and a dynamic locking piece, and a reset spring is arranged on the movable locking piece, and a locking is arranged between the housing and the dynamic locking piece.
  • the switch needs to be locked by the lock switch to lock the seat belt, which is still inconvenient to use.
  • a car seat belt elastic controller which includes a fixed clip, a movable clamp member, a self-locking mechanism with a movable clamp member as a motive member, and a spring disposed in the self-locking mechanism.
  • the spring is fixed at one end and the other end is associated with the movable clamp. When using, pull the seat belt firmly and the movable clamp will move to press the seat belt against the fixed clamp.
  • the drawback of this technique is that the performance is unreliable and it is often difficult to control effectively in use.
  • the device includes a ratchet and a driven wheel.
  • the ratchet and the driven wheel are mounted on a rotating shaft.
  • a gap is formed on the outer circumferential surface of the driven wheel.
  • the ratchet is disposed in the inner cavity of the driven wheel, and a finger extends into the driven wheel. Inside the notch and in contact with the ratchet on the ratchet.
  • the reel shaft cannot be rotated in the forward direction, so that the seat belt cannot be pulled out and loosened, and the passenger and the driver can be protected in a dangerous situation. How to use this device to realize the anti-back pull of the seat belt is a subject facing the applicant. Summary of the invention
  • the present invention provides an anti-back pull type automobile seat belt, which can effectively The belt is prevented from being pulled back, the structure is simple, and the reliability is high.
  • the technical solution adopted by the present invention to solve the technical problem is: designing a pullback control device for a car seat belt, comprising a ratchet wheel, a driven wheel mounted on the rotating shaft together with the ratchet wheel, and a hole is formed on the outer circumferential surface of the driven wheel, the ratchet wheel It is disposed in the inner cavity of the driven wheel, and is characterized in that a baffle is arranged on one side of the driven wheel, and two small shafts are fixed on the baffle, one of the small shafts is provided with a pinion gear and a cam, and the pinion and the cam are arranged.
  • the cam When the pinion is rotated, the cam can be rotated; a paddle is arranged between the cam and the baffle, and the paddle is movably coupled with the cam and the baffle respectively, and can be caught by the baffle when the paddle is rotated;
  • the pawl is set on the small shaft, one end of the finger is in contact with the cam, and the other end is in contact with the ratchet on the ratchet.
  • the invention has a cross-shaped card slot on one side of the pinion gear, both sides of the cam and the side surface of the baffle plate, and the cross-shaped card slot has a cross section of a "V" shape, and the outer edge of the paddle is opened. After being bent vertically, they respectively extend into the cross-shaped card slots of the pinion and the cam, and the outer edge opening of the paddle is vertically bent and then protrudes into the cross-shaped card slot of the baffle and the cam respectively.
  • a cross-shaped card slot is arranged on one side of the pinion gear, and a cross-shaped card slot is arranged on both sides of the cam, and the two sides of the paddle are respectively engaged in the cross-shaped card slots on the pinion and the cam.
  • the invention has the beneficial effects that: when the driver and passenger drive the seat belt to buckle the seat belt, pull the seat belt hard, and when the seat belt anti-back pull control device works, the seat belt is locked to prevent the seat belt from being returned. Pulling, this can prevent the discomfort caused by the seat belt pulling back to the occupants, and the occupants can drive the car freely and comfortably; after the invention improves the existing car seat belt control device, The seat belt can be locked, the structure is simpler, and the performance is more reliable and stable.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • FIG. 2 is a schematic structural view of an A-A according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a baffle and a paddle in the embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a pinion gear and a paddle in the embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a paddle in the embodiment of the present invention.
  • the ratchet 1 is disposed in the inner cavity of the driven wheel 2, the teeth are provided on the outer side of the driven wheel 2, and a notch is formed in the circumferential surface of the driven wheel 2.
  • the two shaft ends of the small shaft 5 and the small shaft 6 are fixed to the baffle 7 and the baffle 11, respectively.
  • a pinion 3 and a cam 9 are fitted on the small shaft 5, the pinion 3 meshes with the driven wheel 2, and the paddle 8 is placed on the shaft section between the pinion 3 and the cam 9, in the cam 9 and the baffle 11
  • the paddle 10 is placed on the shaft section between the two.
  • the inner side surface of the pinion gear 3, the two side surfaces of the cam 9 and the inner side surface of the baffle plate 11 each have a cross-shaped card slot, and the cross-shaped card slot has a cross section of a "V" shape.
  • the outer edge opening of the paddle 8 is vertically bent and protrudes into the cross-shaped card slot of the pinion gear 3 and the cam 9, respectively, and the outer edge opening of the paddle 10 is vertically bent and then protrudes into the baffle 11 and the cam 9 respectively.
  • Figure 3 shows the outer edge opening of the paddle 10 being bent and extending into the cross-shaped card slot 14 of the shutter 11.
  • Figure 4 shows the outer edge of the paddle 8 bent into the cross-shaped card slot of the pinion 3 after being bent. As shown in FIG.
  • a pawl 4 is set on the small shaft 6 , and one end of the finger 4 is caught between the ratchets on the ratchet 1 and the other end protrudes into the notch on the driven wheel 2 and remains with the contour surface of the cam 9 contact.
  • the driven wheel 2 When the seat belt 12 is lightly pulled, the driven wheel 2 does not rotate, and the occupant can pull the seat belt normally.
  • the driven wheel 2 rotates to drive the pinion 3 to rotate. Since the outer edge of the paddle 8 is caught in the slot of the pinion 3, and the other side of the paddle 8 is caught in the slot of the cam 9, the pinion 3 rotates to drive the paddle 8 to rotate, and the paddle 8 rotates.
  • the cam 9 will be rotated, and the cam 9 will drive the paddle 10 to rotate. As shown in FIG.
  • the cross-shaped card slot 14 has a "V" shape in cross section, that is, a wedge-shaped surface, and the paddle 10 is fitted on the small shaft 5, it can be slightly slid along the small axis, so the outer edge of the paddle 10 is The bent outer bevel can slide out of the wedge face on the cross-shaped card slot 14.
  • the cam 9 rotates and the top finger 4 rotates about the small shaft 6, and the end of the finger 4 is caught between the ratchets on the ratchet 1. Since the wedge-shaped surface of the cross-shaped card slot 14 on the baffle 11 can prevent the paddle 10 from rotating in the reverse direction, thereby blocking the reverse rotation of the cam 9, the finger 4 prevents the ratchet 1 from rotating, and the seat belt 12 does not pull back. .
  • the driven wheel 2 again drives the pinion gear 3 to rotate by 90°, the cam 9 rotates accordingly, the finger 4 is no longer restrained by the cam, and the ratchet 1 dials the finger. The end of 4 is raised.
  • the ratchet 1 is swung under the action of the torsion spring, and the seat belt 12 is retracted.
  • the driven wheel 2 drives the pinion 3 to rotate 90° again.
  • the seat belt is locked and cannot be pulled back, so it can be continuously circulated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention concerne une ceinture de sécurité pour automobiles comprenant un contrôleur résistant à une traction inverse ; il se compose d'un engrenage entraîné (2) et d'une roue à rochet (1) qui se situent sur un arbre rotatif (13). L'engrenage entraîné (2) comporte une ouverture sur sa circonférence externe. La roue à rochet (1) se trouve à l'intérieur de l'engrenage entraîné (2). Une enceinte (7) se situe d'un côté de l'engrenage entraîné (2). Un petit arbre (5) et un autre petit arbre (6) sont fixés à l'enceinte (7). Un petit engrenage (3) et une came (9) sont installés sur le petit arbre (5). Une languette (8) se trouve entre le petit engrenage (3) et la came (9). La came (9) est entraînée pour tourner selon la rotation du petit engrenage (3). Une languette (10) se trouve entre la came (9) et l'enceinte (11). Cette languette (10) se connecte activement à la came (9) et à l'enceinte (11), respectivement. Un cliquet (4) est joint au petit axe (6). Une des extrémités du cliquet (4) reste en contact avec la périphérie de la came (9) et l'autre extrémité du cliquet (4) reste en contact avec les dents à rochet de la roue à rochet (1). La ceinture de sécurité présentée dans cette invention peut résister à la traction inverse de la ceinture suivant cette structure simple et économique.
PCT/CN2007/003581 2006-12-16 2007-12-13 Ceinture de sécurité pour automobiles à contrôleur résistant à une traction inverse WO2008074215A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610166216.0 2006-12-16
CNB2006101662160A CN100445140C (zh) 2006-12-16 2006-12-16 汽车安全带的防回拉控制装置

Publications (1)

Publication Number Publication Date
WO2008074215A1 true WO2008074215A1 (fr) 2008-06-26

Family

ID=38250015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/003581 WO2008074215A1 (fr) 2006-12-16 2007-12-13 Ceinture de sécurité pour automobiles à contrôleur résistant à une traction inverse

Country Status (2)

Country Link
CN (1) CN100445140C (fr)
WO (1) WO2008074215A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100445140C (zh) * 2006-12-16 2008-12-24 张学栋 汽车安全带的防回拉控制装置
JP5539031B2 (ja) * 2010-05-28 2014-07-02 株式会社東海理化電機製作所 ウエビング巻取装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834646A (en) * 1971-11-09 1974-09-10 Rainsford Metal Prod Proprieta Take-up spool latch
US4060211A (en) * 1975-04-22 1977-11-29 Takata Kojyo Co., Ltd. Retraction locking safety belt retractor
US4732347A (en) * 1982-08-30 1988-03-22 American Safety Equipment Corporation Easy release tension reliever
JPH1178786A (ja) * 1997-09-08 1999-03-23 Suncall Corp 自動車用シートベルトの巻取り装置
CN1994788A (zh) * 2006-12-16 2007-07-11 张学栋 汽车安全带的防回拉控制装置
CN200992185Y (zh) * 2006-12-16 2007-12-19 张学栋 汽车安全带的防回拉控制装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081152A (en) * 1975-11-26 1978-03-28 American Safety Equipment Corporation Dual tension retractor
DE9205266U1 (de) * 1992-04-15 1992-06-11 TRW Repa GmbH, 7077 Alfdorf Gurtaufroller mit Zugentlastung für Sicherheitsgurt-Rückhaltesysteme in Fahrzeugen
JP2001233175A (ja) * 2000-02-21 2001-08-28 Tokai Rika Co Ltd ウエビング巻取装置
CN2570116Y (zh) * 2002-08-09 2003-09-03 蔡溪圳 安全带防绑住装置
CN2702890Y (zh) * 2004-05-13 2005-06-01 史建伟 汽车安全带舒缓装置
CN2780560Y (zh) * 2005-04-11 2006-05-17 胡仁德 汽车安全带松紧调节扣

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834646A (en) * 1971-11-09 1974-09-10 Rainsford Metal Prod Proprieta Take-up spool latch
US4060211A (en) * 1975-04-22 1977-11-29 Takata Kojyo Co., Ltd. Retraction locking safety belt retractor
US4732347A (en) * 1982-08-30 1988-03-22 American Safety Equipment Corporation Easy release tension reliever
JPH1178786A (ja) * 1997-09-08 1999-03-23 Suncall Corp 自動車用シートベルトの巻取り装置
CN1994788A (zh) * 2006-12-16 2007-07-11 张学栋 汽车安全带的防回拉控制装置
CN200992185Y (zh) * 2006-12-16 2007-12-19 张学栋 汽车安全带的防回拉控制装置

Also Published As

Publication number Publication date
CN1994788A (zh) 2007-07-11
CN100445140C (zh) 2008-12-24

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