CN103847686A - Automobile active type pre-tightening safety belt - Google Patents
Automobile active type pre-tightening safety belt Download PDFInfo
- Publication number
- CN103847686A CN103847686A CN201410028579.2A CN201410028579A CN103847686A CN 103847686 A CN103847686 A CN 103847686A CN 201410028579 A CN201410028579 A CN 201410028579A CN 103847686 A CN103847686 A CN 103847686A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- ribbon
- wheel disc
- safety strap
- mandrel
- 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.)
- Granted
Links
Images
Landscapes
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses an automobile active type pre-tightening safety belt, and belongs to the technical field of passenger injury protection during automobile collision accidents. The safety belt comprises a direct current motor, a transmission system, a retractor and a weaving belt kit, wherein the direct current motor is connected with the transmission system, and responds to a control signal of an accident pre-tightening device to work, the transmission system is connected with the direct current motor, and the decelerated power of the motor is transmitted to a one-way device and the retractor. The safety belt has the advantages that a weaving belt double-side pre-tightening structure is adopted, so the safety weaving belt can be simultaneously retracted at the shoulder belt part and the waist belt part to reach the double-side pre-tightening purpose, the wearing gap between a shoulder belt and a waist belt is eliminated, the body forward movement amount of a passenger during collision accidents is obviously reduced, and the slippage of the passenger is prevented; by integrating the force limiting and emergency locking functions, the collision injury to the passenger is minimized.
Description
Technical field
The present invention relates to a kind of automobile collision accident Occupant injury prevention device, belong to field of automobile safety, further refer to a kind of active automobile pretension safety strap.
Background technology
Safety strap is indispensable occupant restrain system accessory.The all automobiles of China's automotive crash safety rules and regulations all must assembling safety strap.Relevant experimental study also shows, using of seat belts is to alleviating or avoiding damaging actv. mode in occupant restrain system.
Usually, comfortable for occupant, the predetermincd tension of safety strap can not be too large, always has certain gap between safety strap and human body, and in the time that occupant's clothes is thicker, this gap can be larger.In the time of collision, this gap will reduce the effective range of safety strap, reduces the usefulness of safety strap.Common belt with pre-load device adopts deflagration type pre-tightening apparatus, and in the time that collision reaches some strength, gas generator detonates; start preloader, drive snap close retraction or taking-up device revolution, make safety strap reclaim certain distance; effectively eliminate gap, the protective effect that improves safety strap.This firmly beforehand means occurs in after collision, and pretension time short (20ms～30ms), pretension length short (40mm～80mm), predetermincd tension large (≈ 2000N), have certain effect to Occupant injury prevention, but also not obvious; And there is the moment tighten seat belt injury that may cause occupant in collision in common explosion type seat belt pretensioners.Initiatively belt with pre-load device can just start pretension safety strap before automobile collision accident occurs, long (350～500mm/s), predetermincd tension moderate (≈ 400N) of pretension time.Meanwhile, initiatively belt with pre-load device pre-tightening apparatus adopts motor pre-tightening mode, makes the device can repeated usage, has avoided the deflagration type pre-tightening apparatus can only expendable shortcoming.
In addition, in collision, may due to waistband predetermincd tension not, the dive in various degree that often has with seat not in time of pretension causes occupant bottom slid underneath forward under effect of inertia, thereby there is occupant's dive phenomenon, can increase so on the one hand the risk of collision of shank and automotive trim, safety strap produces serious injury by acting on occupant's neck on the other hand.Particularly common in the process that occupant's dive phenomenon bumps little stature occupant.
Summary of the invention
Object of the present invention will overcome the deficiencies in the prior art exactly, a kind of active automobile pretension safety strap is provided, can be before auto against pretension safety strap, significantly reduce the health displacement of occupant before collision case, add bilateral pretension safety belt structure simultaneously, can be before auto against promptly shoulder belt and the waistband of pretension safety strap simultaneously, significantly reduce the health leading of occupant in collision case, and prevent occupant's dive, make occupant's body posture remain on normal sitting position position as far as possible, farthest bring into play the performance of occupant restrain system, effectively reduce head, chest, the collision damage of thigh.
For solving above technical matters, the technical solution adopted in the present invention is: a kind of active automobile pretension safety strap, comprise DC machine, driving system, isolator, taking-up device, ribbon external member, described DC machine is fixed by adapter plate and aluminium shell, and be connected the control signal of response accident pre-tightening apparatus and working with the driving system being arranged in aluminium shell; Described driving system is connected with DC machine, and the motor power after slowing down is transferred to isolator and taking-up device; Described isolator comprises driving lever, driver plate, turns contracting wheel disc, ratchet, ratchet axle sleeve, cover plate, depression bar, spring; The described contracting wheel disc that turns is connected with described driving system, and described ratchet axle sleeve is connected with taking-up device; Described driver chuck is provided with a plurality of chutes, and one end of described chute is away from driver plate axle center, and the other end is near axle center, and it coordinates with the dead man of corresponding a plurality of ratchets respectively, and described driving lever can move in chute; Described ratchet turns in contracting wheel disc along circumferential uniform being installed on respectively, and can rotate around being fixed on the revolving bar turning on contracting wheel disc; Described ratchet axle sleeve, cover plate, driver plate are installed on one heart successively and turn on contracting wheel disc; Wherein ratchet axle sleeve is installed on the inside groove that turns contracting wheel disc, and its outside can be engaged with ratchet, and cover plate is encapsulated in the ratchet portions of ratchet axle sleeve and ratchet in the inside groove that turns contracting wheel disc; Described depression bar is arranged on aluminium shell, and spring makes depression bar application force on driver plate, driver plate rotation is lagged behind and turn contracting wheel disc, thereby driving lever slides in chute, the engagement that realizes ratchet axle sleeve and ratchet with separate; The described contracting wheel plate edge that turns is provided with the groove corresponding with ratchet, in the time that vehicle collision intensity is larger, ratchet axle sleeve makes the revolving bar fracture of ratchet root, ratchet is inside contracted in this groove, between taking-up device and isolator, be connected completely and depart from, taking-up device loosens the ribbon in described ribbon external member gradually, thereby preventing that ribbon pulling force is excessive damages occupant's health.
Further, described driving system comprises tertiary gear deceleration system, idle gear, planet circular system; Described tertiary gear deceleration system is connected with DC machine, by idle gear and with turn the planet circular system that contracting wheel disc is connected the motor power after slowing down transferred to isolator.
Further, described taking-up device comprises framework, mandrel, mechanical brake, backrush whirlpool spring and force-limiting device; Described framework is connected with aluminium shell, and described mandrel is arranged in framework, and mechanical brake is arranged on the other end of taking-up device framework by mandrel, realize the lock in emergency of safety strap, force-limiting device is arranged in mandrel, and backrush whirlpool spring is arranged on aluminium shell, is connected with square hole nested structure with mandrel.
Further, described ribbon external member comprises ribbon, upper guide ring, bracelet inserted sheet, lower guide ring, lock pin and anti-skidding locating button; Described ribbon is through upper guide ring, bracelet inserted sheet and lower guide ring, described anti-skidding locating button is arranged in the ribbon of bracelet inserted sheet lower end, described lock pin is arranged at respectively ribbon two ends, ribbon can be stuck in bar-shaped trough corresponding to described taking-up device mandrel two ends, form a closed loop, in mandrel, safe ribbon is fixed and can not slides; When mandrel revolution, shoulder belt part and the waistband portion of ribbon are wrapped on mandrel simultaneously, thereby shoulder belt and waistband are by pretension.
Further, described ribbon two ends are cover rope structure, i.e. a bit of stitching of the equal inflection in the two ends of common ribbon is cover rope form, and described lock pin can directly insert in the trepanning of this cover rope structure.
Further, described revolving bar material is aluminium matter.
As known from the above, the technical solution adopted in the present invention tool has the following advantages:
1, the feature of belt with pre-load device, lock in emergency formula safety strap and limit type safety strap that the present invention is integrated, there is the function of pretension, lock in emergency and ribbon limiter in advance, cooperate with the integrated of active belt structure division by accident warning device, can realize effectively and reasonably, exactly safety strap pretension, thereby effectively reduce the occupant injury in collision.
2, the present invention can realize shoulder belt and waistband bilateral pretension fast and effectively before auto against simultaneously, eliminate the wearing gap of shoulder and the safe ribbon of waist, make occupant's body posture remain on normal sitting position position as far as possible, and prevent occupant's dive, farthest bring into play the performance of occupant restrain system, effectively reduce the collision damage of head, chest, thigh.
3, the present invention adopts motor to drive firmly beforehand means, makes device reusable, has advantages of economical and practical.
4, the present invention is in the function that realizes bilateral pretension, compared to other belt with pre-load devices, have simple in structure, the advantage such as applicability is strong.
Brief description of the drawings
Fig. 1 is the general assembly structural representation of the active pretension safety strap of the present invention;
Fig. 2 is the active pretension safety strap of the present invention driving system theory of machines schematic diagram;
Fig. 3 and 4 is mounting structure schematic diagrams of the active pretension safety strap of the present invention isolator;
Fig. 5 is the structural representation of the active pretension Webbing retractor of the present invention;
Fig. 6 is the general assembly structural representation of another preferred embodiment of the active pretension safety strap of the present invention;
Fig. 7 is the structural representation of the above-mentioned preferred embodiment ribbon of the active pretension safety strap of the present invention external member;
Fig. 8 is the structural representation of the above-mentioned preferred embodiment mandrel of the active pretension safety strap of the present invention cross-sectional plane;
Fig. 9 is the position assembling schematic diagram of the bilateral pre-pressing structure of the present invention's above-mentioned preferred embodiment of active pretension safety strap.
In the accompanying drawings:
1, car accedent prior-warning device 2, DC machine
3, ribbon assembly 4, driving system
5, adapter plate 6, aluminium shell
7, taking-up device 8, isolator
31, lower guide ring 32, lock pin
33, upper guide ring 34, ribbon
35, anti-skidding locating button 36, bracelet inserted sheet
37, lower end mooring anchor sheet
41, tertiary gear deceleration system 42, idle gear
43, planet circular system 71, mandrel
72, framework 73, mechanical brake
74, backrush whirlpool spring 75, force-limiting device
81, turn contracting wheel disc 82, driving lever
83, driver plate 84, depression bar
85, ratchet axle sleeve 86, cover plate
87, ratchet 88, revolving bar
89, spring
341, shoulder belt part 342, waistband portion
411, gear 1 412, gear 2
413, gear wheel shaft 1 414, gear 3
415, gear wheel shaft 2 431, sun gear
432, satellite gear 433, internally toothed annulus
434, central gear shaft 7101, the first bar-shaped trough
7102, the second bar-shaped trough 8101, groove
8301, chute
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Embodiment 1:
As shown in Figure 1, accident warning device 1 is connected with DC machine 2 one terminal circuits, it can judge whether accident occurs according to the fierce manipulative behavior of the abnormal dynamic response of the hazard level of current driving states, vehicle, chaufeur, sends instruction control DC machine 2 and work before collision case occurs.DC machine 2 is fixing with 6 riveted joints of aluminium shell by adapter plate 5, and the power take-off shaft of DC machine 2 is connected with driving system 4 profiles, driving system 4 is connected with isolator 8, mandrel 71 one end spline joints of isolator 8 and taking-up device 7, driving system 4 and isolator 8 are installed in the groove of aluminium shell 6, therefore motion realizes and slowing down through driving system 4 with power, then by isolator 8 unidirectional delivery to taking-up device 7.Described taking-up device 7 receives the motor that driving system 4 transmits and is rotated in the forward power, thereby the ribbon 34 in described ribbon external member 3 is carried out to pretension, and reverse when DC machine 2, when isolator 8 departs from the control of taking-up device 7, described taking-up device 7 can make ribbon 34 be returned to initial wearing state.
Fig. 2 is the active pretension safety strap of the present invention driving system theory of machines schematic diagram, and in figure, driving system 4 comprises tertiary gear deceleration system 41, idle gear 42, planet circular system 43; Tertiary gear deceleration system 41 comprises three gears, two gear wheel shafts; Gear 411 connects with the power take-off shaft profile of motor, and gear 412 connects with the equal profile of gear wheel shaft 2415 with gear wheel shaft 413 and gear 414; Gear 411 engages composition first order reducing gear pair with gear 412, gear wheel shaft 413 engages composition second stage reducing gear pair with gear 414, gear wheel shaft 415 engages composition third stage reducing gear pair indirectly by idle gear 42 with sun gear 431, idle gear 42 has ensured the stable of driving system 4, and changes power transmission direction.Planet circular system 43 comprises one of center shaft position sun gear 431 and central gear shaft 434, three uniform satellite gears 432 and internally toothed annuluss 433; Sun gear 431 and central gear shaft 434 interference fit, internally toothed annulus 433 is fixed on aluminium shell 6, other three satellite gears that are arranged symmetrically with 432 engage with sun gear 431, internally toothed annulus 433 simultaneously, turn contracting wheel disc 81 and are equivalent to pinion carrier output movement and power at this.In this driving system, DC machine 2 output speeds are high, because tertiary gear deceleration system 41 is directly connected with DC machine 2 compared with little being set to of planet circular system 43 transmission inertia, when motion and power transmit through planet circular system 43 after tertiary gear deceleration system 41 is slowed down again, make like this motion response of driving system 4 rapider.
Fig. 3 and 4 is mounting structure schematic diagrams of the active pretension safety strap of the present invention isolator, three satellite gears that are arranged symmetrically with 432 of driving system 4 with turn three cylindrical hole coaxial cooperation uniform on contracting wheel disc 81, motor power can pass to isolator 8 by driving system 4.Ratchet 87 turns in contracting wheel disc 81 along circumferential uniform being installed on respectively, can rotate around being fixed on the revolving bar 88 turning on contracting wheel disc 81, ratchet axle sleeve 85, cover plate 86, driver plate 83 are installed on one heart successively and turn on contracting wheel disc 81, wherein ratchet axle sleeve 85 is installed on the inside groove that turns contracting wheel disc 81 and can engages with ratchet 87, and cover plate 86 is encapsulated in the ratchet portions of ratchet axle sleeve 85 and ratchet 87 on the inside groove that turns contracting wheel disc 81; Driver plate 83 is provided with three straight line chutes 8301, coordinates respectively with the driving lever 82 of three ratchets 87, and one end of chute 8301 is away from driver plate 83 axle center, and the other end is near axle center.DC machine 2 turns contracting wheel disc 81 and rotates, and driver plate 83 is subject at depression bar 84 to be applied in pressure under the effect of spring 89 elastic force, its rotation lags behind and turns contracting wheel disc 81, make driver plate 83 and turn contracting wheel disc 81 to produce relative rotation, this relative rotation can make driving lever 82 in the interior slip of chute 8301, thereby the engagement that realizes ratchet 87 and ratchet axle sleeve 85 with separate, be that DC machine 2 is rotated in the forward and can will moves with transmission of power to taking-up device mandrel 71, and the contrarotation of DC machine 2 can be interrupted the transmission of power to taking-up device mandrel 71, the motion of mandrel 71 also can not reversely pass to driving system 4 and DC machine 2.There is the groove 8101 of similar ratchet 87 shapes at the rear portion that turns ratchet 87 on contracting wheel disc 81, in the time that vehicle collision intensity is larger, ratchet axle sleeve 85 can make the aluminium matter revolving bar 88 of ratchet 87 roots rupture, ratchet 87 inside contracts in this groove 8101, isolator 8 disappears to the constrained force of mandrel 71, mandrel 71 is followed force-limiting device 75 to rotate to loosen gradually ribbon, prevents from that ribbon pulling force is excessive occupant's health is damaged.
Fig. 5 is the structural representation of the active pretension Webbing retractor of the present invention, and taking-up device 7 is made up of framework 72, mandrel 71, force-limiting device 75, mechanical brake 73 and backrush whirlpool spring 74.Framework 72 1 sides are connected with aluminium shell 6 use rivets, and opposite side is installed mechanical brake 73, realize the lock in emergency of safety strap.Mandrel 71 is arranged in taking-up device framework 72, and force-limiting device 75 is arranged in mandrel 71, and backrush whirlpool spring 74 is arranged on aluminium shell 6, is connected with mandrel 71 use square hole covers.
Embodiment 2:
As Figure 6-9, the difference of this preferred embodiment and embodiment 1 has been to adopt the structure of the bilateral pretension of safety strap, ribbon external member 3 has comprised ribbon 34, upper guide ring 33, bracelet inserted sheet 36, lower guide ring 31, lock pin 32 and anti-skidding locating button 35, the two ends of ribbon 34 are cover rope structure, the two ends a bit of stitching of equal inflection that is common ribbon is cover rope form, and this cover rope-like constructed can be inserted a lock pin 32 just; Lower guide ring 31 has replaced the lower end mooring anchor sheet 37 of common employing, and Shang Xia 34, two ends can be freely movable to make ribbon; Mandrel 71 bilateral symmetry have twice bar-shaped trough, a set of end of ribbon 34 can pass mandrel 71 inside thus, inserting lock pin 32 makes this end of ribbon 34 be stuck in first bar-shaped trough interior 7101 of mandrel 71 and can not be pulled, and the another set of end of ribbon 34 is successively through also passing mandrel 71 inside after upper guide ring 33, bracelet inserted sheet 36, lower guide ring 31, be stuck in by lock pin 32 in the second bar-shaped trough 7102 of mandrel 71, now ribbon 34 forms a closed loop, ribbon 34 can only rotate and is wound around with mandrel 71, but can not in mandrel 71 grooves, relative sliding occur.Ribbon 34 can be free to slide on upper guide ring 33, lower guide ring 31.Lower guide ring 31 is fixed on body bottom (as B column bottom), to 342 guiding of waistband portion and the supporting role of ribbon 34; Upper guide ring 33 is fixed on vehicle body upper end (as B post upper end), to 341 guiding of shoulder belt part and the supporting role of safe ribbon 34.When mandrel 71 turns round, can make safe ribbon 34 from shoulder belt part 341 and waistband portion 342 pretensions of rolling simultaneously.Anti-skidding locating button 35 is fixed in safe ribbon 34 parts through bracelet inserted sheet 36 and lower guide ring 31.Safety strap is not worn while use, and anti-skidding locating button 357 can stop bracelet inserted sheet 36 to glide and positioning security band is conveniently got the position of wearing occupant.
The specific works process of this bilateral pretension safety strap is as follows:
Under safe driving state, accident warning device 1 show that after ECU analyzes the current driving states of automobile is for " safety " rank, DC machine 2 is not in starting state of activation, now the ratchet axle sleeve 85 of isolator 8 does not engage with ratchet 87, and the motion of mandrel 71 can not reversely pass to driving system 4 and DC machine 2.Occupant can freely pull out safe ribbon 34, and bracelet inserted sheet 36 is coordinated with bracelet, completes wearing safety strap.After occupant's release buckle inserted sheet 36 coordinates with bracelet, the elastic potential energy that backrush whirlpool spring 74 stores, by mandrel 71 contrarotations, reclaims storage shoulder belt part 341 and waistband portion 342 ribbons simultaneously.
Under dangerous driving states, the fierce manipulative behavior information of the hazard level of the current environment that accident warning device 1 obtains, the abnormal dynamic response of vehicle, chaufeur, after analyzing, ECU show that the current driving states of automobile, for " danger " rank, sends " startup pretension " instruction to DC machine 2.
If automobile collision accident does not finally occur, accident warning device 1 sends " releasing pretension " instruction to DC machine 2, motor 2 starts contrarotation, turn also contrarotation of contracting wheel disc 81, make equally driver plate 83 and turn contracting wheel disc 81 to produce relative rotation, driving lever 82 8301 slides onto away from axis client in driver plate chute, and ratchet 87 separates with ratchet axle sleeve 85.Ribbon 34 loosens automatically, is returned to initial wearing state, and so far this safety strap has completed pretension one time, and prepares at any time next round pretension.
If automobile collision accident finally occurs, occupant bears huge force of inertia because of auto against acceleration/accel, and this force of inertia moves occupant's body forward and pulls out fast ribbon 34.Because mechanical brake 73 pulls out acceleration/accel and angular-sensitive to ribbon 34, therefore sell that the mechanical brake 73 being connected works and the rotary freedom that retrains mandrel 71 with mandrel 71 one end.When collision speed is higher, intensity is when larger, connect the pin fracture of mechanical brake 73 and mandrel 71, and ratchet axle sleeve 85 ruptures the revolving bar 88 of ratchet 87 roots, ratchet 87 inside contracts, isolator 8 disappears to the constrained force of mandrel 71, now force-limiting device 75 one end and mechanical brake 73 spline joints and fix, and the other end is with mandrel 71 certain angles rotation generation torsional deflectioies, its moment of torsion loosens ribbon 34 gently, prevents from that ribbon pulling force is excessive occupant's health is damaged.
Above-mentioned each function is only for illustrating the present invention, and wherein the specific implementation of each function can be carried out equivalents and improvement on the basis of technical solution of the present invention, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. an active automobile pretension safety strap, comprises DC machine (2), driving system (4), isolator (8), taking-up device (7), ribbon external member (3), it is characterized in that:
Described DC machine (2) is fixing by adapter plate (5) and aluminium shell (6), and is connected with the driving system (4) being arranged in aluminium shell (6), the control signal of response accident pre-tightening apparatus (1) and working;
Described driving system (4) is connected with DC machine (2), and the motor power after slowing down is transferred to isolator (8) and taking-up device (7);
Described isolator (8) comprises driving lever (82), driver plate (83), turns contracting wheel disc (81), ratchet (87), ratchet axle sleeve (85), cover plate (86), depression bar (84), spring (89);
The described contracting wheel disc 81 that turns is connected with described driving system (4), and described ratchet axle sleeve 85 is connected with taking-up device (7);
Described driver chuck (83) is provided with a plurality of chutes (8301), one end of described chute (8301) is away from driver plate 83 axle center, the other end is near axle center, it coordinates with the dead man (82) of corresponding a plurality of ratchets (87) respectively, and described driving lever (82) can move in chute (8301);
Described ratchet (87) turns in contracting wheel disc (81) along circumferential uniform being installed on respectively, and can rotate around being fixed on the revolving bar (88) turning on contracting wheel disc (81); Described ratchet axle sleeve (85), cover plate (86, driver plate (83) is installed on one heart successively and turns on contracting wheel disc (81); Wherein ratchet axle sleeve (85) is installed on the inside groove that turns contracting wheel disc (81), and its outside can be engaged with ratchet (87), and cover plate (86) is encapsulated in the ratchet portions of ratchet axle sleeve (85) and ratchet (87) in the inside groove that turns contracting wheel disc (81);
Described depression bar (84) is arranged on aluminium shell (6), spring (89) makes depression bar (84) application force on driver plate (86), driver plate (83) rotation is lagged behind and turn contracting wheel disc (81), thereby driving lever (82) (8301) in chute slides, the engagement that realizes ratchet axle sleeve (85) and ratchet (87) with separate;
In the time that vehicle collision intensity is larger, ratchet axle sleeve (85) makes revolving bar (88) fracture of ratchet (87) root, between taking-up device (7) and isolator (83), be connected completely and depart from, taking-up device (7) loosens the ribbon (34) in described ribbon external member (3) gradually, thereby preventing that ribbon (34) pulling force is excessive damages occupant's health.
2. a kind of active automobile pretension safety strap according to claim 1, is characterized in that, described driving system (4) comprises tertiary gear deceleration system (41), idle gear (42), planet circular system (43);
Described tertiary gear deceleration system (41) is connected with DC machine (2), by idle gear (42) and with turn the planet circular system (43) that contracting wheel disc (81) is connected the motor power after slowing down transferred to isolator (8).
3. a kind of active automobile pretension safety strap according to claim 1, is characterized in that, described taking-up device (7) comprises framework (72), mandrel (71), mechanical brake (73), backrush whirlpool spring (74) and force-limiting device (75);
Described framework (72) is connected with aluminium shell (6), described mandrel (71) is arranged in framework (72), mechanical brake (73) is arranged on the other end of taking-up device framework (72) by mandrel (71), realize the lock in emergency of safety strap, force-limiting device (75) is arranged in mandrel (71), it is upper that backrush whirlpool spring (74) is arranged on aluminium shell (6), is connected with square hole nested structure with mandrel (71).
4. a kind of active automobile pretension safety strap according to claim 1, it is characterized in that, described ribbon external member (3) comprises ribbon (34), upper guide ring (33), bracelet inserted sheet (36), lower guide ring (31), lock pin (32) and anti-skidding locating button (35);
Described ribbon (34) is through upper guide ring (33), bracelet inserted sheet (36) and lower guide ring (31), described anti-skidding locating button (35) is arranged in the ribbon (34) of bracelet inserted sheet (36) lower end, described lock pin (32) is arranged at respectively ribbon (34) two ends, and ribbon (34) can be stuck in bar-shaped trough corresponding to described taking-up device (7) mandrel (71) two ends.
5. a kind of active automobile pretension safety strap according to claim 4, is characterized in that, described ribbon (34) two ends are cover rope structure, and described lock pin (32) can directly insert in the trepanning of this cover rope structure.
6. a kind of active automobile pretension safety strap according to claim 4, it is characterized in that, described contracting wheel disc (81) edge that turns is provided with the groove (8101) corresponding with ratchet (87), in the time that vehicle collision intensity is larger, ratchet axle sleeve (85) makes revolving bar (88) fracture of ratchet (87) root, and ratchet (87) is inside contracted in this groove (8101).
7. a kind of active automobile pretension safety strap according to claim 1, is characterized in that, described revolving bar (88) material is aluminium matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028579.2A CN103847686B (en) | 2014-01-22 | 2014-01-22 | A kind of active automobile pretension seat belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028579.2A CN103847686B (en) | 2014-01-22 | 2014-01-22 | A kind of active automobile pretension seat belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103847686A true CN103847686A (en) | 2014-06-11 |
| CN103847686B CN103847686B (en) | 2016-11-23 |
Family
ID=50855959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410028579.2A Expired - Fee Related CN103847686B (en) | 2014-01-22 | 2014-01-22 | A kind of active automobile pretension seat belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103847686B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380022A (en) * | 2017-08-28 | 2017-11-24 | 苏州因诺威汽车科技有限公司 | A kind of child safety seat active pretension shoulder belt and shoulder belt active pre-tension method |
| CN107539266A (en) * | 2017-08-03 | 2018-01-05 | 广州汽车集团股份有限公司 | A kind of double end prefastening car belt |
| CN108382350A (en) * | 2018-03-13 | 2018-08-10 | 中国汽车技术研究中心有限公司 | A kind of novel active is double to pre-tighten restraint system |
| CN108749762A (en) * | 2018-08-20 | 2018-11-06 | 重庆光大产业有限公司 | A kind of preload limiter safety belt and its pre-tighten limiter anti-attenuation mechanism |
| CN109398299A (en) * | 2018-11-05 | 2019-03-01 | 沈阳金杯锦恒汽车安全系统有限公司 | Coiler and its operating method |
| CN109577749A (en) * | 2019-01-29 | 2019-04-05 | 中车长春轨道客车股份有限公司 | A kind of electronic lock |
| CN113306522A (en) * | 2021-06-29 | 2021-08-27 | 东风汽车有限公司东风日产乘用车公司 | Safety belt coiler, safety belt device and car |
| CN113842570A (en) * | 2021-10-27 | 2021-12-28 | 中国建筑第四工程局有限公司 | Pre-tightening force limiting device of intelligent omnibearing operation belt and use method thereof |
| CN113895633A (en) * | 2021-12-10 | 2022-01-07 | 大同航源众诚动力科技有限公司 | Safety belt device of civil aircraft |
| US20220242363A1 (en) * | 2021-02-04 | 2022-08-04 | Honda Motor Co., Ltd. | Vehicle seatbelt device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11342829A (en) * | 1998-06-03 | 1999-12-14 | Takata Kk | Seat belt winding device |
| CN1576117A (en) * | 2003-07-14 | 2005-02-09 | 高田株式会社 | Seat belt retractor |
| EP1487679B1 (en) * | 2002-03-28 | 2006-08-30 | Autoliv Development Ab | High performance tightener |
| KR20080009204A (en) * | 2005-04-12 | 2008-01-25 | 아우토리브 디벨롭먼트 아베 | Force limiting unit for a motor vehicle |
| CN103386943A (en) * | 2013-07-09 | 2013-11-13 | 长沙立中汽车设计开发有限公司 | Active pre-tightening safety belt device |
| CN203698201U (en) * | 2014-01-22 | 2014-07-09 | 湖南大学 | Automobile active pre-tightening safety belt |
-
2014
- 2014-01-22 CN CN201410028579.2A patent/CN103847686B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11342829A (en) * | 1998-06-03 | 1999-12-14 | Takata Kk | Seat belt winding device |
| EP1487679B1 (en) * | 2002-03-28 | 2006-08-30 | Autoliv Development Ab | High performance tightener |
| CN1576117A (en) * | 2003-07-14 | 2005-02-09 | 高田株式会社 | Seat belt retractor |
| KR20080009204A (en) * | 2005-04-12 | 2008-01-25 | 아우토리브 디벨롭먼트 아베 | Force limiting unit for a motor vehicle |
| CN103386943A (en) * | 2013-07-09 | 2013-11-13 | 长沙立中汽车设计开发有限公司 | Active pre-tightening safety belt device |
| CN203698201U (en) * | 2014-01-22 | 2014-07-09 | 湖南大学 | Automobile active pre-tightening safety belt |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107539266A (en) * | 2017-08-03 | 2018-01-05 | 广州汽车集团股份有限公司 | A kind of double end prefastening car belt |
| CN107539266B (en) * | 2017-08-03 | 2024-03-26 | 广州汽车集团股份有限公司 | Double-end pretension formula car blet |
| CN107380022A (en) * | 2017-08-28 | 2017-11-24 | 苏州因诺威汽车科技有限公司 | A kind of child safety seat active pretension shoulder belt and shoulder belt active pre-tension method |
| CN108382350A (en) * | 2018-03-13 | 2018-08-10 | 中国汽车技术研究中心有限公司 | A kind of novel active is double to pre-tighten restraint system |
| CN108749762A (en) * | 2018-08-20 | 2018-11-06 | 重庆光大产业有限公司 | A kind of preload limiter safety belt and its pre-tighten limiter anti-attenuation mechanism |
| CN108749762B (en) * | 2018-08-20 | 2024-05-28 | 重庆光大产业有限公司 | Pretension force limiting safety belt and pretension force limiting anti-attenuation mechanism thereof |
| CN109398299A (en) * | 2018-11-05 | 2019-03-01 | 沈阳金杯锦恒汽车安全系统有限公司 | Coiler and its operating method |
| CN109398299B (en) * | 2018-11-05 | 2024-04-16 | 沈阳金杯锦恒汽车安全系统有限公司 | Retractor and method of operating the same |
| CN109577749A (en) * | 2019-01-29 | 2019-04-05 | 中车长春轨道客车股份有限公司 | A kind of electronic lock |
| US20220242363A1 (en) * | 2021-02-04 | 2022-08-04 | Honda Motor Co., Ltd. | Vehicle seatbelt device |
| CN113306522A (en) * | 2021-06-29 | 2021-08-27 | 东风汽车有限公司东风日产乘用车公司 | Safety belt coiler, safety belt device and car |
| CN113842570B (en) * | 2021-10-27 | 2022-08-02 | 中国建筑第四工程局有限公司 | Pre-tightening force limiting device of intelligent omnibearing operation belt and use method thereof |
| CN113842570A (en) * | 2021-10-27 | 2021-12-28 | 中国建筑第四工程局有限公司 | Pre-tightening force limiting device of intelligent omnibearing operation belt and use method thereof |
| CN113895633B (en) * | 2021-12-10 | 2022-02-18 | 大同航源众诚动力科技有限公司 | Safety belt device of civil aircraft |
| CN113895633A (en) * | 2021-12-10 | 2022-01-07 | 大同航源众诚动力科技有限公司 | Safety belt device of civil aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103847686B (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103847686A (en) | Automobile active type pre-tightening safety belt | |
| CN103386943B (en) | Active pre-tightening safety belt device | |
| US7341216B2 (en) | Device for controlling a seat belt retractor | |
| CN103921758A (en) | Motor driving type pretensioner for active tensioning type safety belt | |
| EP1516789B1 (en) | Seatbelt retractor | |
| CN103569034A (en) | Intelligent-control initiative pretensioner for automobile safety belt | |
| WO1996004154A1 (en) | Method and apparatus for reducing occupant injury in frontal collisions | |
| CN107757550B (en) | Pretension force-limiting type automobile safety belt retractor | |
| US6435441B1 (en) | Seat belt retractor | |
| JP3667318B2 (en) | Seat belt tightening device | |
| EP3600976B1 (en) | Seat belt retractor with energy absorbing mechanism | |
| WO2018129694A1 (en) | Intelligent safety belt, load limiter and retractor for vehicle | |
| WO1996019364A1 (en) | Seat belt retractor with energy absorbing lock wheels | |
| CN203698201U (en) | Automobile active pre-tightening safety belt | |
| CN203601209U (en) | Intelligent control type vehicle safety belt active pretightening device | |
| CN101164812A (en) | Seat belt retractor and seat belt apparatus employing the same | |
| CN203681482U (en) | Motor driven type pre-tight machine of active pre-tight safety belt | |
| JP2009227062A (en) | Seat belt retractor | |
| JP2022121998A (en) | Seat belt retractor and seat belt device | |
| JP5252149B2 (en) | Seat belt retractor | |
| CN107985252A (en) | Car belt tightening device | |
| JP7182099B2 (en) | seat belt retractor | |
| CN203381584U (en) | Active pretension type safety belt device | |
| JP2008238997A (en) | Seat belt retractor and seat belt device having same | |
| CN113842570B (en) | Pre-tightening force limiting device of intelligent omnibearing operation belt and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |