CN2539668Y - Pre-retractable safety belt reel for car - Google Patents
Pre-retractable safety belt reel for car Download PDFInfo
- Publication number
- CN2539668Y CN2539668Y CN 02210435 CN02210435U CN2539668Y CN 2539668 Y CN2539668 Y CN 2539668Y CN 02210435 CN02210435 CN 02210435 CN 02210435 U CN02210435 U CN 02210435U CN 2539668 Y CN2539668 Y CN 2539668Y
- Authority
- CN
- China
- Prior art keywords
- gear
- safety belt
- passenger
- winding back
- rack
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a tightening type safety belt winding back device, which mainly comprises a winding back part, a gear rack drive part and a gas generator. The utility model is characterized in that a one-way surpass clutch 7 is arranged between a winding back axle 2 and a gear 1, a rack 4 is meshed and drives with the gear 1, the gas generator 5 is arranged at the tail end of the rack 4, and the plug 9 of the generator is connected with an electronic control device. When an automobile has a traffic accident, the electronic control device sends a command to lead the generator to fire to generate the gas to push the rack to move and rotate, under the function of the clutch 7, the winding back axle 2 is enclasped tightly to lead a winding back barrel 6 to rotate, the safety belt 8 is tightened for an instant, to make the passenger tied on a seat. The utility model avoids the forerake or sidesway of the passenger, ensures that the passenger can not slide out from the safety belt, and prevents the passenger from a second or multiple collision injury in the accident.
Description
One, technical field
The utility model relates to a kind of automobile safety belt retractor.
Two, background technology
Before the utility model proposes, used automobile safety belt retractor when car body slows down suddenly or tilts, can only prevent occupant's preshoot and inclination.If but occupant's health may leave back of seat one segment distance when driving a vehicle usually, when car body slowed down suddenly or tilts, because fixing not tight of safety strap, the occupant also can preshoot or inclination, even skidded off from safety strap and cause casualty accident.
Three, summary of the invention
Technical problem to be solved in the utility model provides that a kind of moment is tightened up safety strap when take place colliding, and makes occupant restraint giving on the seat tighten up the formula automobile safety belt retractor.
The technical scheme that solves the problems of the technologies described above employing is: furling of Webbing retractor is fixedly connected with the furling tube that can furl safety strap on the axle, furls and is with a gear on the axle, and the power-transfer clutch that can make gear driven furl the unidirectional rotation of axle is housed between gear and the axle; With an end of the tooth bar of gear mesh gas generator is housed, the producer tail end has the plug that connects electronic control package.When car accident takes place when, electronic control package sends instruction makes the gas generator igniting produce the rotation of gas promotion tooth bar moving belt moving gear, furl axle rotation synchronously in the drive of power-transfer clutch effect lower gear, furling tube drive safety strap tightens up the people is fixed on the seat.
Compared with prior art the beneficial effects of the utility model are: just increase a pair of rack-and-gear transmission on common Webbing retractor, furling a dress mono-directional overrun clutch between axle and the gear, an end dress gas generator of tooth bar.Produce at producer and make furling tube moment tighten up safety strap under the promotion of gas, make occupant restraint on the seat.Can both avoid occupant's preshoot or inclination in any case, can not from safety strap, skid off, prevent from or alleviated the occupant in accident, to be subjected to secondary or the repeatedly injury of collision.
Four, description of drawings
Fig. 1 is a structure principle chart of the present utility model.
Five, the specific embodiment
In the accompanying drawings, a kind of formula automobile safety belt retractor of tightening up that gives of the utility model is mainly formed by furling part, rack pinion running part and gas generator.Furling on the axle 2 of Webbing retractor is fixedly connected with the furling tube 6 that can furl safety strap 8; Furl axle and be with a gear 1 on 2, gear 1 with furl spools 2 between power-transfer clutch 7 is housed.This power-transfer clutch 7 can make gear 1 drive the furling tube 6 unidirectional rotations that furl on the axle 2.At ordinary times, furling tube 6 is free to rotate.Tooth bar 4, gas generator 5 are positioned at tooth bar chamber 3, and tooth bar 4 and gear 1 engaged transmission.One end of tooth bar 4 is equipped with gas generator 5, and the tail end of producer 5 has the plug 9 that connects electronic control package.The mobile of tooth bar 4 is to send instruction by electronic control package to make gas generator 5 igniting produce gas promotion realization.The rack drives gear rotates, and the rotation of receipts axle is changeed in drive under the effect of power-transfer clutch, and furling tube drive safety strap tightens up the people is fettered on the seat.Accident finishes, and the occupant opens safety belt mortise lock voluntarily.The utility model can with the supporting use of safe automobile air bag, also can use separately.
Claims (1)
1, a kind of giving tightened up the formula automobile safety belt retractor, furling on the axle (2) of this taking-up device is fixedly connected with the furling tube (6) that can furl safety strap (8), it is characterized in that furling axle and be with a gear (1) on (2), gear (1) can make gear (1) drive the power-transfer clutch (7) that furls (2) unidirectional rotation with furling to be equipped with between the axle (2); With an end of gear (1) ingear tooth bar (4) gas generator (5) is housed, gas generator (5) tail end has the plug (9) that connects electronic control package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210435 CN2539668Y (en) | 2002-02-28 | 2002-02-28 | Pre-retractable safety belt reel for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210435 CN2539668Y (en) | 2002-02-28 | 2002-02-28 | Pre-retractable safety belt reel for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539668Y true CN2539668Y (en) | 2003-03-12 |
Family
ID=33690574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02210435 Expired - Fee Related CN2539668Y (en) | 2002-02-28 | 2002-02-28 | Pre-retractable safety belt reel for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539668Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1907765B (en) * | 2005-08-04 | 2010-11-10 | 高田株式会社 | Seatbelt retractor and seatbelt system having the same |
| CN103921758A (en) * | 2013-10-11 | 2014-07-16 | 天津职业技术师范大学 | Motor driving type pretensioner for active tensioning type safety belt |
-
2002
- 2002-02-28 CN CN 02210435 patent/CN2539668Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1907765B (en) * | 2005-08-04 | 2010-11-10 | 高田株式会社 | Seatbelt retractor and seatbelt system having the same |
| CN103921758A (en) * | 2013-10-11 | 2014-07-16 | 天津职业技术师范大学 | Motor driving type pretensioner for active tensioning type safety belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |