WO2007007480A1 - シートベルト装置 - Google Patents
シートベルト装置 Download PDFInfo
- Publication number
- WO2007007480A1 WO2007007480A1 PCT/JP2006/311005 JP2006311005W WO2007007480A1 WO 2007007480 A1 WO2007007480 A1 WO 2007007480A1 JP 2006311005 W JP2006311005 W JP 2006311005W WO 2007007480 A1 WO2007007480 A1 WO 2007007480A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switch
- gear
- protrusion
- protrusions
- seat belt
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
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
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
-
- 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
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
-
- 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
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
- B60R2022/4825—Sensing means arrangements therefor for sensing amount of belt winded on retractor
-
- 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
- B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
- B60R22/405—Belt retractors, e.g. reels self-locking in an emergency responsive to belt movement and vehicle movement
Definitions
- the present invention relates to a seat belt device, and more particularly to a seat belt device capable of detecting a seat belt wearing state.
- the seat belt is mounted 'on to detect when the seat belt is not mounted', and a reminder switch force that outputs an OFF signal to the outside Structure that is arranged in a seat belt retractor that is mounted on the vehicle It has been known.
- the switch lever that is turned off is driven.
- the protrusion of the gear arranged in the middle of the three gears contacts one of the protrusions of the remaining gear at the time of pulling, and switches the switch to take up.
- the switch is switched in contact with the projection of the other gear, so that the switch switching position has a predetermined deviation width when the switch is pulled out and when it is wound. For this reason, for example, the reminder switch is required to be switched appropriately even at the maximum towing position in the passenger restraint state.
- the present invention has been made in order to eliminate such inconveniences, and the purpose of the present invention is to reduce the deviation of the amount of storing of the webbing when the switch is switched and when the switch is pulled out. In addition, unintended projections can be drawn between the webbing drawer and scraping operation. Is to provide a highly reliable seat belt device. Means for solving the problem
- the object of the present invention is achieved by the following configurations.
- a seat belt device comprising:
- a first protrusion and a second protrusion are provided on the side surface of the drive gear and the side surface of the first gear so that the switch lever can be brought into contact with each other so that the first positional force also moves to the second position.
- the seat belt device wherein the contact positions of the first and second protrusions and the contact positions of the third and fourth protrusions are different from each other in the axial direction of the spindle.
- the second protrusion is formed closer to the side of the first gear than the third protrusion
- One of the third and fourth protrusions has a recess through which one of the first and second protrusions passes.
- the third protrusion is formed closer to the side surface of the first gear than the second protrusion
- One of the first and second protrusions has a recess through which any of the third and fourth protrusions passes.
- An automatic locking mechanism operates by performing a predetermined webbing pull-out operation and prevents rotation of the spindle in the webbing pull-out direction under normal conditions.
- the switch lever has the second position force and the first position. While moving to the spindle The seat belt apparatus according to (1), wherein the rotation prevention in the bing pull-out direction is released.
- the first protrusion that can contact the switch lever on the side surface of the drive gear and the side surface of the first gear so that the switch lever moves to the first position force and the second position.
- a second protrusion respectively, and the switch lever can be brought into contact with the side surface of the first gear and the side surface of the second gear so that the switch lever moves to the second position force to the first position.
- the third protrusion and the fourth protrusion are provided, and the contact position of the first and second protrusions and the contact position of the third and fourth protrusions are mutually in the axial direction of the spindle. Different.
- FIG. 1 is an exploded perspective view for explaining components of a seat belt device according to an embodiment of the present invention.
- FIG. 2 (a) shows a state in which the first switch protrusion and the second switch protrusion come into contact with each other when the webbing pull-out operation is at the 10th rotation position of the drive gear. It is a figure, (b) is sectional drawing which follows the II-II line of (a).
- FIG. 3 (a) shows a state in which the third switch protrusion and the fourth switch protrusion come into contact with each other at the position where the drive gear is rotated 10 times from the total amount during the webbing scraping operation.
- (B) is a sectional view taken along line III-III in (a).
- FIG. 4 is a diagram showing a state in which the first ALR projection and the second switch projection pass in close proximity during the webbing scraping operation when the drive gear is rotated once from the full pull-out. .
- FIG. 5 shows that during the webbing scraping operation, the drive gear is in the second rotation from the full pull-out, and the second switch projection and the fourth switch projection pass without interference. It is a figure which shows a state, (b) is sectional drawing which follows the VV line of (a).
- FIG. 10 is a diagram showing a state in which the third switch protrusion and the first ALR protrusion pass close to each other.
- a seat belt retractor 10 that is a seat belt device according to an embodiment of the present invention includes a retractor frame 11 as shown in FIG. 1, and a webbing (not shown) is wound around the retractor frame 11.
- the taking spindle 12 is rotatably supported.
- a retractor spring 13 for urging the spindle 12 in the seat belt scooping direction is attached to the retractor frame 11 by a holder 14 and a cover 15.
- the other end side of the spindle 12 in the axial direction is provided in the seat belt retractor 10 so as to be tiltable around a horizontal axis, and detects an acceleration in the horizontal direction of the vehicle, and a bearing plate 17 And an inertial body assembly 18 that locks the seatbelt pull-out operation according to the acceleration detected by the acceleration sensor 16, and operates by performing a predetermined webbing pull-out operation, and the spindle under normal conditions.
- 12 webbing drawers
- An automatic lock mechanism (ALR) 19 that prevents rotation in the direction and a switch mechanism 20 (so-called reminder switch) are provided, and these are accommodated by a cover 21.
- the automatic lock mechanism 19 includes a drive gear 30 to which the rotation of the spindle 12 is transmitted, an ALR lever 31 that is swingably supported by the bearing plate 17, and an ALR.
- the automatic lock mechanism assembly 34 includes two ALR gears 32 and 33 that are rotatably supported by the lever 31 and the ratchet wheel of the inertial assembly 18 in response to the swing of the ALR lever 31. 18a and pawl 35 to be engaged and disengaged.
- a fan-shaped first ALR protrusion 30a is provided on the side surface of the drive gear 30, and the side surfaces of the ALR gears 32 and 33 can contact the first ALR protrusion 30a.
- a second ALR projection 32a and a third ALR projection 33a are provided. When a predetermined webbing pull-out operation is performed, the first ALR projection 30a and the second ALR projection 32a come into contact with each other, so that the ALR lever 31 swings and the pawl 35 is moved to the ratchet wheel. Engage with 18a to lock.
- the switch mechanism 20 includes the drive gear 30 described above, a switch assembly 41 that outputs an ON / OFF signal according to a belt mounted state, and a first position for switching the switch assembly 41.
- a switch lever 42 that can swing to a switch OFF position and a switch ON position that is a second position, and the first switch gear 43 that meshes with the drive gear 30 and swings together with the switch lever 42, and the first A second switch gear 44 that meshes with the switch gear 43, and a coil spring 45 that is held by the bearing plate 17 and has one end locked to the switch lever 42.
- a first switch protrusion 30b is formed on a side surface of the drive gear 30 at a position different from the first ALR protrusion 30a in the circumferential direction.
- a second switch projection 43a and a third switch projection 43b are formed at different positions in the circumferential direction.
- a fourth switch protrusion 44a is formed on the side surface of the second switch gear 44.
- the first switch protrusion 30b and the second switch protrusion 43a are in contact with each other, so that the switch Also move the switch lever 42 to the switch ON position. Further, the third switch projection 43b and the fourth switch projection 44a contact each other, thereby moving the switch lever 42 from the switch ON position to the switch OFF position.
- the contact position between the first switch protrusion 30b and the second switch protrusion 43a, and the contact position between the third switch protrusion 43b and the fourth switch protrusion 44a. are different from each other in the axial direction X of the spindle 12. Specifically, as shown in FIGS. 2 (b), 3 (b), and 5 (b), the second switch protrusion 43a formed on the first switch gear 43 and the third switch In the switch projection 43b, the second switch projection 43a is formed closer to the side surface of the first switch gear 43 than the third switch projection 43b.
- the first switch protrusion 30b contacting the second switch protrusion 43a is substantially equivalent to the second switch protrusion 43a (or slightly lower as in the present embodiment). !,) Formed with a height (see Fig. 2 (b);).
- the fourth switch projection 44a that contacts the third switch projection 43b is also substantially the same height as the third switch projection 43b (or slightly lower as in this embodiment). (See Fig. 3 (b).) 0
- the fourth switch protrusion 44a has an outwardly-facing recess 44b and is formed in a substantially L-shaped cross section.
- a predetermined amount in this embodiment, the total amount
- the fourth switch projection 44a and the second switch projection 43a interfere with each other.
- the first switch protrusion 30b is provided at the same position as the tooth portion of the drive gear 30.
- the second switch projection 43a is provided between the adjacent teeth of the first switch gear 43, and the third switch projection 43b is located at the same position as the teeth of the first switch gear 43.
- the fourth switch protrusion 44 a is provided between adjacent teeth of the second switch gear 44.
- the first ALR protrusion is used when the drive gear 30 is rotated from the full amount for the first rotation (1st and 15th rotations depending on the specifications). Force that 30a and second switch projection 43a pass close to each other When the switch is in the ON state, the first switch gear 43 and the switch lever 42 are close to the second switch gear 44, so that they contact each other. There is no.
- the second switch projection 43a and the fourth switch projection 44a are in the second rotation of the drive gear 30 from the full pull-out. As described above, the second switch projections 43a pass through the recesses 44b of the fourth switch projections 44a and do not contact each other.
- the third switch protrusion is shown in FIG. 3 during the chamfering operation, before the switch OFF of FIG. Force that 43b and first ALR protrusion 30a pass close to each other Again, since the first switch gear 43 is closer to the second switch gear 44, it does not contact each other. .
- the switch mechanism 20 can be switched reliably in the range of the maximum amount of towing when the occupant is restrained from the full storage state (for example, the occupant is a 6-year-old child, the seat is behind the slide, and the headrest is at the lowest position) .
- unintentional protrusions are prevented from interfering with each other during the webbing pull-out and scoring operation, and a highly reliable seat belt device can be provided.
- the third switch projection 43b and the fourth switch While the switch protrusion 44a abuts and the switch lever 42 moves to the switch OFF position beyond the switching point of the coil spring 45, the first ALR protrusion of the drive gear 30 of the automatic lock mechanism 19
- the portion 30a and the third ALR protrusion 33a of the ALR gear 33 are in contact with each other, so that the rotation prevention of the spindle 12 in the direction of pulling out the webbing is released.
- the recess 44b is formed in the fourth switch protrusion 44a.
- the first switch protrusion 30b is formed by providing a recess in the third switch protrusion 43b. It may be configured so that it does not interfere with.
- the first and second switch projections 30b One of the third and fourth switch projections 43b and 44a has a recess through which one of the third and fourth switch projections 43b and 44a passes.
- first to fourth switch protrusions 30b, 43a, 43b, 44a are formed integrally with the drive gear 30, the first switch gear 43, and the second switch gear 44, respectively. Alternatively, it may be attached separately.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06756882.4A EP1908651B1 (en) | 2005-07-14 | 2006-06-01 | Seatbelt device |
| CN200680025718A CN100595094C (zh) | 2005-07-14 | 2006-06-01 | 座椅安全带装置 |
| JP2007524541A JP4786655B2 (ja) | 2005-07-14 | 2006-06-01 | シートベルト装置 |
| US12/013,794 US7491906B2 (en) | 2005-07-14 | 2008-01-14 | Seat belt apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005206053 | 2005-07-14 | ||
| JP2005-206053 | 2005-07-14 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/013,794 Continuation US7491906B2 (en) | 2005-07-14 | 2008-01-14 | Seat belt apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007007480A1 true WO2007007480A1 (ja) | 2007-01-18 |
Family
ID=37636880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/311005 Ceased WO2007007480A1 (ja) | 2005-07-14 | 2006-06-01 | シートベルト装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7491906B2 (ja) |
| EP (1) | EP1908651B1 (ja) |
| JP (1) | JP4786655B2 (ja) |
| KR (1) | KR100944823B1 (ja) |
| CN (1) | CN100595094C (ja) |
| WO (1) | WO2007007480A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012250688A (ja) * | 2011-06-07 | 2012-12-20 | Ashimori Industry Co Ltd | シートベルト用リトラクタ |
| JP2017081512A (ja) * | 2015-10-30 | 2017-05-18 | オートリブ ディベロップメント エービー | シートベルト用リトラクタ |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013073569A1 (ja) * | 2011-11-14 | 2013-05-23 | オートリブ ディベロップメント エービー | シートベルト装置 |
| CN113078015B (zh) * | 2021-04-01 | 2022-10-25 | 重庆润泰电气有限公司 | 单次90度旋转到位的可撤回安全开关 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5077775U (ja) * | 1973-11-16 | 1975-07-05 | ||
| JPH0218136A (ja) * | 1988-07-06 | 1990-01-22 | Nippon Seiko Kk | ウエビング巻量検知機構付きリトラクター |
| JPH02133960U (ja) * | 1989-04-14 | 1990-11-07 | ||
| JP2002308046A (ja) * | 2001-04-09 | 2002-10-23 | Nsk Autoliv Co Ltd | シートベルト装置 |
| US20040188995A1 (en) | 2001-05-31 | 2004-09-30 | Gunter Clute | Safety belt winder comprising a power limitation system which can be actuated according to the strip of belt pulled out |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767134A (en) * | 1971-06-30 | 1973-10-23 | American Safety Equip | Electrical sensor unit for a safety belt retractor |
| JPS6040372Y2 (ja) * | 1982-06-09 | 1985-12-05 | 株式会社高田工場 | ベルト巻取り装置 |
| JPS61110683A (ja) | 1984-11-05 | 1986-05-28 | 三洋電機株式会社 | 自転車用照明装置 |
| US4754105A (en) * | 1987-05-01 | 1988-06-28 | Gateway Industries, Inc. | Seat belt buckle with switch |
| JPH02133960A (ja) | 1988-11-15 | 1990-05-23 | Mitsubishi Electric Corp | 書込可能不揮発性半導体記憶装置 |
| IT1230028B (it) * | 1988-12-16 | 1991-09-24 | Sgs Thomson Microelectronics | Procedimento di fabbricazione di dispositivi semiconduttori mos avvalentesi di un trattamento "gettering" di migliorare caratteristiche, e dispositivi semiconduttori mos con esso ottenuti |
| GB2306294B (en) * | 1995-10-23 | 1999-09-15 | Tensator Ltd | Improvements in or relating to a seat belt retractor |
| US5944135A (en) * | 1996-11-14 | 1999-08-31 | Trw Vehicle Safety Systems Inc. | Seat belt buckle with field effect locking indicator and method of use |
| US6702056B2 (en) * | 1997-08-06 | 2004-03-09 | Takata Corporation | Seatbelt retractor |
| KR100323845B1 (ko) * | 1999-12-09 | 2002-02-07 | 이승복 | 차량용 좌석벨트 리트랙터 |
| JP3727515B2 (ja) * | 2000-07-12 | 2005-12-14 | 株式会社東海理化電機製作所 | ウエビング巻取装置 |
| EP1298017B1 (en) * | 2001-09-27 | 2004-11-03 | Key Safety Systems, Inc. | Seat belt retractor with automatic locking mechanism |
-
2006
- 2006-06-01 WO PCT/JP2006/311005 patent/WO2007007480A1/ja not_active Ceased
- 2006-06-01 EP EP06756882.4A patent/EP1908651B1/en not_active Not-in-force
- 2006-06-01 KR KR1020087000987A patent/KR100944823B1/ko not_active Expired - Fee Related
- 2006-06-01 JP JP2007524541A patent/JP4786655B2/ja not_active Expired - Fee Related
- 2006-06-01 CN CN200680025718A patent/CN100595094C/zh not_active Expired - Fee Related
-
2008
- 2008-01-14 US US12/013,794 patent/US7491906B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5077775U (ja) * | 1973-11-16 | 1975-07-05 | ||
| JPH0218136A (ja) * | 1988-07-06 | 1990-01-22 | Nippon Seiko Kk | ウエビング巻量検知機構付きリトラクター |
| JPH02133960U (ja) * | 1989-04-14 | 1990-11-07 | ||
| JP2002308046A (ja) * | 2001-04-09 | 2002-10-23 | Nsk Autoliv Co Ltd | シートベルト装置 |
| US20040188995A1 (en) | 2001-05-31 | 2004-09-30 | Gunter Clute | Safety belt winder comprising a power limitation system which can be actuated according to the strip of belt pulled out |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1908651A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012250688A (ja) * | 2011-06-07 | 2012-12-20 | Ashimori Industry Co Ltd | シートベルト用リトラクタ |
| JP2017081512A (ja) * | 2015-10-30 | 2017-05-18 | オートリブ ディベロップメント エービー | シートベルト用リトラクタ |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101223062A (zh) | 2008-07-16 |
| EP1908651A4 (en) | 2012-10-31 |
| JP4786655B2 (ja) | 2011-10-05 |
| JPWO2007007480A1 (ja) | 2009-01-29 |
| EP1908651B1 (en) | 2013-10-23 |
| KR100944823B1 (ko) | 2010-03-03 |
| EP1908651A1 (en) | 2008-04-09 |
| KR20080034125A (ko) | 2008-04-18 |
| CN100595094C (zh) | 2010-03-24 |
| US20080116044A1 (en) | 2008-05-22 |
| US7491906B2 (en) | 2009-02-17 |
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