CN104890612A - Automobile seatbelt retractor - Google Patents
Automobile seatbelt retractor Download PDFInfo
- Publication number
- CN104890612A CN104890612A CN201510261397.4A CN201510261397A CN104890612A CN 104890612 A CN104890612 A CN 104890612A CN 201510261397 A CN201510261397 A CN 201510261397A CN 104890612 A CN104890612 A CN 104890612A
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- Prior art keywords
- wind spring
- mandrel
- cover
- motor
- coil spring
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Classifications
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- 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
- B60R22/341—Belt retractors, e.g. reels comprising energy-absorbing means
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- 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
-
- 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
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- 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
- B60R2022/3427—Seat belt connection on reels
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- 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
- B60R2022/4406—Spring shapes; Spring characteristic; Springs with adjustable anchoring means
Abstract
The invention provides an automobile seatbelt retractor, and belongs to the technical field of automobile parts. The automobile seatbelt retractor solves the problems that a conventional seatbelt retractor of which the rewinding force is adjustable is large in retractor modification and complex in structure. The automobile seatbelt retractor comprises a retractor frame, a retractor mandrel, a locking claw, a coil spring base, a coil spring mandrel, a coil spring, a coil spring hood, a transmission mechanism, a motor and an electric control system, wherein the coil spring base is mounted on the lateral side of the retractor frame, the coil spring mandrel is mounted on the coil spring base and can freely rotate, the coil spring mandrel and the retractor mandrel are coaxially connected and linked, the inner end of the coil spring is mounted on the coil spring mandrel, the outer end of the coil spring is mounted on the inner side of the coil spring hood, the motor is connected to the outer side of the coil spring hood through the transmission mechanism and drives the coil spring hood to rotate, and the electric control system is electrically connected with the motor and controls the motor to rotate. The automobile seatbelt retractor can intelligently adjust the rewinding force of a coil spring of a seatbelt, so that the comfort use feed can be provided, and the automobile seatbelt retractor is simple in structure and low in cost.
Description
Technical field
The invention belongs to technical field of automobile parts, relate to a kind of car belt retracting device.
Background technology
Webbing retractor is one of most important functions parts in belt system, it is the core of belt system, the radical function of a common three-point type safety belt retractor realizes safety strap car sense locking, band sense locking, the functions such as ribbon backrush, wherein the wrap function of ribbon normally relies on the wind spring of taking-up device inside to realize, belt-strap backrush power can be made to strengthen by the rigidity strengthening wind spring, make ribbon backrush more smooth and easy, but backrush power often impacts occupant's wearing comfort while strengthening, after fastening one's safety belt, ribbon is to occupant's shoulder, chest oppressive force increases, occupant is worn for a long time and causes discomfort, if and reduce wind spring rigidity, then often can affect again the backrush of belt-strap.
Therefore in order to make safety strap be that the used time is more comfortable, people have carried out large quantity research, as a kind of seat belt tape winding apparatus [examined patent publication 60-30576] of practicality, in described device, series combination has two to have the different disc spring of strong and weak elastic force, described disc spring is made to play the strong and weak different elastic force of above-mentioned two disc springs respectively when pulling out seat belt and income seat belt, under the state that seat belt system, only make the more weak disc spring of elastic force play a role, use and alleviate take-up force; The and for example wind2 [application number 00137797.3] of a kind of seat safety belt for car of Chinese patent announcement, comprise master spring spool being imposed to the elastic force this spool being pressed to coiling direction, with the spool of seat belt winding axle interlock, be embedded in the clutch spring on described spool and ring outward, the revolution of the spool of the pull-out direction towards seat belt be passed to the spring pressed-type clutch of ring; One end fix with described ring on and the balance spring of the revolution elastic force reverse with above-mentioned master spring can be produced.Although above-mentioned two schemes all can solve the take-up force when safety strap system, but in such scheme, all have employed two disc springs, the former requires the disc spring of use two kinds of obstructed elastic forces, higher to the requirement of disc spring elastic force, and need to mate, very loaded down with trivial details, structure is also complicated, and cost of manufacture is high; Although the latter does not require that the elasticity of major-minor disc spring is different, be that it increases clutch configuration, structure is also comparatively complicated, install inconvenience, and cost is higher.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of car belt retracting device, according to the backrush power automatically adjusting retracting device under different situations, safety strap is made under being state, occupant to be felt comfortably cool, non-be state under can to ensure that safety strap reclaims normal, structure is simple and easy for installation.
Object of the present invention realizes by following technical proposal: a kind of car belt retracting device, this device comprises retractor frame, taking-up device mandrel and locking pawl, described taking-up device mandrel is arranged in retractor frame and retractor frame is stretched out in one end, described locking pawl is arranged on retractor frame for carrying out locking to described taking-up device mandrel, it is characterized in that, this device also comprises wind spring base, wind spring mandrel, wind spring and wind spring cover, transmission device, motor and electric-control system, described wind spring floor installation is in retractor frame side, described wind spring mandrel to be installed on wind spring base and can freely to rotate, one end that described wind spring mandrel stretches out retractor frame with described taking-up device mandrel is coaxially connected linkage, described wind spring the inner is installed on wind spring mandrel, wind spring outer end is installed on wind spring cover inside edge, described motor by transmission device be connected outside described wind spring cover and drive wind spring cover to rotate, described electric-control system is electrically connected with motor and controls electric machine rotation.
This car belt retracting device is rotated forward by electric control system controls motor or reverses, motor drives wind spring cover to rotate forward or reversion by transmission device, outer end due to wind spring is arranged on inside wind spring cover, therefore when wind spring cover rotates, the outer end of wind spring is tightened up relative to its inner or unclamps, thus realizes the adjustment to wind spring backrush power size; The control realization that rotates through of motor controls, and therefore can realize Based Intelligent Control, reduces wind spring backrush power, occupant is felt comfortably cool in the safety strap system used time; In the safety strap non-system used time, increase backrush power, ensure that safety strap reclaims.
In above-mentioned car belt retracting device, the stepped hole coordinated with described wind spring mandrel is had in the middle part of described wind spring base, described wind spring mandrel can rotate in this stepped hole, and described wind spring base also has screw one, and described wind spring base is fixed on retractor frame by screw one.By offering stepped hole in the middle part of wind spring base, taking-up device mandrel and wind spring mandrel can be installed by more convenient fast speed, realize coaxially connecting, and wind spring mandrel can be driven to rotate when taking-up device mandrel rotates.
In above-mentioned car belt retracting device, described wind spring mandrel front is provided with the draw-in groove one installed for wind spring the inner, described wind spring cover inside edge has the draw-in groove two installed for wind spring outer end, and described wind spring mandrel reverse side is provided with a boss, and described boss coordinates with the stepped hole of wind spring base.Draw-in groove one and draw-in groove two are set, by wind spring, wind spring mandrel and wind spring cover can be coupled together easily, and facilitate the installation of wind spring; The design of boss, makes wind spring mandrel can better coordinate with wind spring base, ensures that wind spring mandrel rotates more stable simultaneously, when pulling out or regain safety strap, wind spring mandrel rotates, and wind spring outer cover is motionless, therefore wind spring stress deformation, produces corresponding backrush power.
In above-mentioned car belt retracting device, described wind spring mandrel offers and makes wind spring mandrel and taking-up device mandrel realize the coaxial mounting hole be connected with taking-up device mandrel one end fits.By arranging mounting hole, taking-up device mandrel directly can insert this mounting hole and coordinate with wind spring mandrel, facilitates the connection of taking-up device mandrel and wind spring mandrel and coordinates.
In above-mentioned car belt retracting device, described transmission device comprises and to be arranged at outside wind spring cover and the worm gear be connected with wind spring cover and the worm screw be arranged on motor power output shaft, and described worm gear coordinates with worm screw.Motor realizes transmission of power by worm-and-wheel gear, drives wind spring cover to rotate, thus wind spring outer end is subjected to displacement, change the backrush power of wind spring during electric machine rotation; In addition, worm and gear has self-locking feature, that is motor is motionless, wind spring cover also can not move, this ensure that the stability of wind spring backrush power, except adopting above-mentioned turbine and worm as except transmission device, gear cluster or gear can also be adopted to coordinate the form of tooth bar, realize the transmission of power between motor and wind spring cover.
In above-mentioned car belt retracting device, this device also comprises the outer cover be arranged at outside wind spring cover, described outer cover center shaft goes out to be provided with cylindric projection, described wind spring cover outer side center place is provided with the rotating hole matched with described projection, described outer cover bottom offers the worm hole passed for worm screw, and described outer cover also has screw two.By coordinating of projection and rotating hole, can rotate under making wind spring cover on the drive of motor around projection, ensure the stability that wind spring cover rotates, outer cover is fixed on outside taking-up device by screw dual-purpose screw or rivet etc.
In above-mentioned car belt retracting device, described electric-control system comprises ECU, the control button be all connected with ECU, multichannel early warning sensor, touch sensor and motor driver, described crash sensor is arranged at automobile surrounding, described touch sensor is arranged in the safety strap slot of automobile, described, the Signal transmissions of multichannel early warning sensor is to the input port of ECU, and the output port of ECU is connected with motor driver.Arrange control button and can realize artificial ACTIVE CONTROL, occupant can arrange most suitable wind spring backrush power, ensures comfort level; In addition, by receiving touch sensor detection signal, ECU can judge whether safety strap inserts safety strap slot, thus exports control command control motor positive and inverse, realizes the adjustment to wind spring backrush power by transmission device; Multichannel early warning sensor can make ECU carry out anticipation to road conditions, belt-strap is fitted occupant more, improves the protected effect of safety strap to occupant.
In above-mentioned car belt retracting device, described multichannel early warning sensor comprises: barycenter acceleration pick-up; Collision avoidance radar sensor; Yaw-rate sensor; Steering wheel angle sensor and brake pedal displacement pickup.By the detection of multichannel early warning sensor, ECU can realize anticipation road conditions in advance, is rotated in time by driven by motor wind spring cover, and the backrush power of adjustment wind spring, realizes warning function.
In above-mentioned car belt retracting device, on described wind spring mandrel He outside wind spring cover, all offer some auxiliary holes.As preferably, on wind spring mandrel, the quantity of auxiliary hole is 2-4, and outside wind spring cover, the number of upper auxiliary hole is 4-8 amount, by arranging auxiliary hole on wind spring mandrel, ensureing thick even of material, reducing product injection moulding and shrink.
Compared with prior art, this car belt retracting device has the following advantages:
1. directly changed the backrush power of wind spring by electric control system controls motor, realize regulating the intellectuality of wind spring backrush power.
2. arranging can the button of artificial ACTIVE CONTROL, meets the backrush power that occupant selects to be applicable to, meets the most comfortable requirement of each user, realize hommization setting.
3. do not change traditional taking-up device inner structure, amplitude of changing is little, with low cost.
4. by multiple sensor, anticipation is carried out to road conditions, belt-strap is fitted occupant more, while increasing traveling comfort, improve the protected effect of safety strap to occupant.
Accompanying drawing explanation
Fig. 1 is the structural blast schematic diagram of this car belt retracting device.
Fig. 2 is the structural representation of the wind spring regulating mechanism of this car belt retracting device.
Fig. 3 is the structural representation of the wind spring base of this car belt retracting device.
Fig. 4 is the structural representation in the wind spring mandrel front of this car belt retracting device.
Fig. 5 is the structural representation of the wind spring mandrel reverse side of this car belt retracting device.
Fig. 6 is the structural representation that the wind spring cover medial surface of this car belt retracting device coordinates with wind spring.
Fig. 7 is the structural representation that the wind spring cover lateral surface of this car belt retracting device coordinates with motor.
Fig. 8 is the cover structure schematic diagram of this car belt retracting device.
Fig. 9 is this car belt retracting device electric-control system schematic diagram.
Figure 10 is this car belt retracting device control principle diagram of circuit.
Figure 11 is the backrush force characteristic curve synoptic diagram of existing safety belt winding device.
Figure 12 is the backrush force characteristic curve synoptic diagram of this car belt retracting device.
In figure, 11, retractor frame; 12, taking-up device mandrel; 13, locking pawl; 21, wind spring base; 21a, stepped hole; 21b, screw one; 22, wind spring mandrel; 22a, draw-in groove one; 22b, mounting hole; 22c, auxiliary hole one; 22d, boss; 23, wind spring; 23a, wind spring are inner; 23b, wind spring outer end; 24, wind spring cover; 24a, draw-in groove two; 24b, worm gear; 24c, auxiliary hole two; 24d, rotating hole; 25, outer cover; 25a, projection; 25b, worm hole; 25c, screw two; 26, motor; 26a, motor shaft; 26b, worm screw; 27, electric-control system.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1 and Figure 2, this car belt retracting device comprises retractor frame 11, taking-up device mandrel 12 and locking pawl 13, taking-up device mandrel 12 is arranged in retractor frame 11 and retractor frame 11 is stretched out in one end, and locking pawl 13 is arranged on retractor frame 11 for carrying out locking to taking-up device mandrel 12, wind spring regulating mechanism 2 is arranged at taking-up device mandrel 12 and stretches out on one end of retractor frame 11, comprise wind spring base 21, wind spring mandrel 22, wind spring 23 and wind spring cover 24, transmission device, motor 26 and electric-control system 27, wind spring base 21 is arranged on retractor frame 11 side, wind spring mandrel 22 to be installed on wind spring base 21 and can freely to rotate, wind spring mandrel 22 is connected with taking-up device mandrel 12 is coaxial and realizes linking, the inner 23a of wind spring is installed on wind spring mandrel 22, wind spring outer end 23b is installed on wind spring cover 24 inside edge, motor 26 by transmission device be connected outside wind spring cover 24 and drive wind spring cover 24 to rotate, electric-control system 27 is electrically connected with motor 26 and controls motor 26 and rotates.
Specifically, as shown in Figure 3, the stepped hole 21a coordinated with wind spring mandrel 22 is had in the middle part of wind spring base 21, wind spring mandrel 22 can rotate in this stepped hole 21a, wind spring base 21 also has screw one 21b, wind spring base 21 utilizes the interference fit of riveting pin to be fixed on framework by screw one 21b, certainly can also be fixed by screw.
As shown in Figure 4, Figure 5, wind spring mandrel 22 front is provided with draw-in groove one 22a installed for the inner 23a of wind spring, wind spring mandrel 22 offers and makes wind spring mandrel 22 and taking-up device mandrel 12 realize the coaxial mounting hole 22b be connected with taking-up device mandrel 12 one end fits, wind spring mandrel 22 reverse side is provided with a boss 22d, and boss 22d coordinates with the stepped hole 21a of wind spring base 21.Further, wind spring mandrel 22 offers around mounting hole 22b 3 auxiliary hole one 22c, keep material thick even by auxiliary hole one 22c, reduce product injection moulding and shrink.It should be noted that, the quantity of auxiliary hole one 22c can be arranged according to actual needs.
As shown in Figure 6, for holding the main cavity of wind spring 23 inside wind spring cover 24, this cavity edge is provided with draw-in groove two 24a installed for wind spring outer end 23b, wind spring outer end 23b can effectively be stuck in draw-in groove two 24a, when wind spring cover 24 maintains static, when ribbon mandrel rotates, wind spring 23 just pretension thereupon, this predetermincd tension is the initial force source of ribbon backrush power.
As shown in Figure 7, a worm gear 24b is provided with outside wind spring cover 24, this worm gear 24b and wind spring cover 24 are connected, also can be directly one-body molded, and it coordinates with worm screw 26b, form worm-and-wheel gear, together with worm screw 26b is connected with motor 26 power take-off shaft, drive worm screw 26b to rotate when motor 26 rotates, worm screw 26b drives worm gear 24b to rotate, thus control the tightness of wind spring 23, realize the adjustment of the backrush power to wind spring 23.In addition, worm gear 24b worm screw 26b has self-locking feature, and that is motor 26 is motionless, and wind spring cover 24 also can not move, and this ensure that the stability of the backrush power of wind spring 23.It above-mentioned worm gear 24b is the outer middle side part of wind spring cover 24, offer rotating hole 24d, around rotating hole 24d, offer 6 auxiliary hole offered symmetrically two 24c, equally, auxiliary hole two 24c is herein thick even for keeping expecting, reduces product injection moulding and shrinks.It should be noted that, the quantity of auxiliary hole two 24c can be arranged according to actual needs, and such as 4,8 or other numbers, should be noted, auxiliary hole two 24c herein preferably adopts and arranges symmetrically, to ensure balance when wind spring cover 24 rotates.
As a kind of preferred version, except adopting above-mentioned worm and gear as except transmission device, gear cluster or gear can also be adopted to coordinate the form of tooth bar, realize the transmission of power between motor 26 and wind spring cover 24.
As shown in Figure 8, this car belt retracting device also comprises the outer cover 25 be arranged at outside wind spring cover 24, outer cover 25 center shaft goes out to be provided with columned projection 25a, this projection 25a can with outside wind spring cover 24 on rotating hole 24d match, wind spring cover 24 can be rotated around projection 25a under the drive of motor 26, ensure the stability that wind spring cover 24 rotates.Wind spring cover 24 bottom is provided with worm hole 25b, and worm screw 26b is coordinated with worm gear 24b through worm hole 25b hole.In addition outer cover 25 also has screw two 25c, outer cover 25 utilizes the interference fit of riveting pin to be fixed on framework by screw two 25c, also can be fixed by screw herein.
As shown in Figure 9, the electric-control system 27 of this car belt retracting device comprises ECU, the control button be all connected with ECU, multichannel early warning sensor, touch sensor and motor driver, and wherein, multichannel early warning sensor comprises: barycenter acceleration pick-up; Collision avoidance radar sensor; Yaw-rate sensor; Steering wheel angle sensor and brake pedal displacement pickup.Wherein the longitudinal component of barycenter acceleration signal and brake pedal displacement transducer signal can be used to the brake of comprehensive descision automobile emergency, anxious accelerating mode, the lateral component of barycenter acceleration signal and yaw rate signal can be used to the steadiness differentiating that automobile cornering travels, collision avoidance radar sensor can be used to differentiate relative spacing between vehicle and front and back car, bearing circle tachogen can assist controlled vehicle-mounted electrical unit identification chaufeur to turn to intention on the one hand, also can reflect whether chaufeur avoids risk according to the change of rotating of steering wheel cireular frequency on the other hand, therefore in conjunction with yaw rate signal, rotating of steering wheel angular velocity signal also can judge whether the turning driving of automobile is caused by emergency risks situation.In implementation process, multichannel early warning sensor is arranged at each correspondence position on automobile, touch sensor is arranged in the safety strap slot of automobile, and the Signal transmissions of multichannel early warning sensor is to the input port of ECU, and the output port of ECU is connected with motor driver.
In the present embodiment, arrange control button and can realize artificial ACTIVE CONTROL, occupant can arrange the backrush power of most suitable wind spring 23, ensures comfort level; In addition, by receiving touch sensor detection signal, ECU can judge whether safety strap inserts safety strap slot, thus exports the rotating of control command control motor 26, realizes the adjustment to the backrush power of wind spring 23 by transmission device; Multichannel early warning sensor can make ECU carry out anticipation to road conditions, drives wind spring cover 24 to rotate in time by motor 26, and the backrush power of adjustment wind spring 23, realizes warning function.
Principle of work of the present invention is as shown in Figure 10:
When occupant fastens one's safety belt, and be in the safety strap pull-out stage, touch sensor does not detect that safety strap plug inserts slot, now ECU controls motor 26 by motor driver and rotates forward n circle (n is natural number) herein, motor 26 rotates and drives wind spring cover 24 to rotate, wind spring outer end 23b is subjected to displacement, wind spring 23 is unclamped, reduce the backrush power of wind spring 23, convenient and safe band pull-out, and after touch sensor detects that safety strap plug inserts slot, keep motor 26 motionless, the backrush power of wind spring 23 is made to be in the state of relatively pine, increase occupant's traveling comfort.
After occupant unfastens one's seat-belt, by touch sensor, ECU detects that safety strap plug is extracted from slot, now ECU cross motor driver control motor 26 reverse m circle (m is natural number herein), motor 26 rotates and drives wind spring cover 24 to rotate, wind spring outer end 23b is subjected to displacement, make wind spring 23 pretension, increase the backrush power of wind spring 23, convenient and safe band reclaims.
In addition, when occupant thinks that the backrush power of wind spring 23 of ECU intelligent set is not suitable for, the rotation number of turns that human intervention regulates motor 26 can be carried out, to guarantee that the backrush power size of wind spring 23 meets each occupant's the most comfortable demand by control button.
As shown in Figure 11, Figure 12, by car belt retracting device of the present invention, discovery can be contrasted: common safety strap only realizes by wind spring assembly, this wind spring assembly is generally integral type, being assembled on taking-up device 1 assembly when wind spring assembly and being fixed on retractor frame 11 after the suitable number of turns of pretension, so far belt-strap pull-out backrush characteristic is (Fig. 9) of determining.And after car belt retracting device of the present invention relies on and carry out Intelligent adjustment to wind spring 23, belt-strap pull-out backrush characteristic is variable (Figure 10), during pull-out, along with the rotation of motor 26, required power obviously tails off, and after motor 26 quits work, pullout forces keeps lower level, thus increases comfort level; During backrush, along with the rotation of motor 26, backrush power obviously increases, until motor 26 quits work, safety strap can be made like this to reclaim smoothly.
The present invention can implement separately also invention to be integrated in car load position memory system, stature according to different people is different with the perception to tightness, the tightness information block of wind spring 23 is remembered, button is recovered when corresponding occupant presses corresponding position memory, namely motor 26 rotates according to the recall info stored, thus reaches differentiated demand.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (9)
1. a car belt retracting device, this device comprises retractor frame (11), taking-up device mandrel (12) and locking pawl (13), described taking-up device mandrel (12) is arranged in retractor frame (11) and retractor frame (11) is stretched out in one end, described locking pawl (13) is arranged on retractor frame (11) for carrying out locking to described taking-up device mandrel (12), it is characterized in that, this device also comprises wind spring base (21), wind spring mandrel (22), wind spring (23) and wind spring cover (24), transmission device, motor (26) and electric-control system (27), described wind spring base (21) is arranged on retractor frame (11) side, described wind spring mandrel (22) is installed on wind spring base (21) and goes up and can freely rotate, one end that described wind spring mandrel (22) stretches out retractor frame (11) with described taking-up device mandrel (12) is coaxially connected linkage, described wind spring the inner (23a) is installed on wind spring mandrel (22), wind spring outer end (23b) is installed on wind spring cover (24) inside edge, described motor (26) is connected by transmission device with described wind spring cover (24) outside and drives wind spring cover (24) to rotate, described electric-control system (27) is electrically connected with motor (26) and controls motor (26) and rotates.
2. car belt retracting device according to claim 1, it is characterized in that, described wind spring base (21) middle part has the stepped hole (21a) coordinated with described wind spring mandrel (22), described wind spring mandrel (22) can be rotated in this stepped hole (21a), described wind spring base (21) also has screw one (21b), and described wind spring base (21) is by the fixing retractor frame (11) of screw one (21b).
3. car belt retracting device according to claim 2, it is characterized in that, described wind spring mandrel (22) front is provided with the draw-in groove one (22a) installed for wind spring the inner (23a), described wind spring cover (24) inside edge has the draw-in groove two (24a) installed for wind spring outer end (23b), described wind spring mandrel (22) reverse side is provided with a boss (22d), and described boss (22d) coordinates with the stepped hole (21a) of wind spring base (21).
4. car belt retracting device according to claim 3, it is characterized in that, described wind spring mandrel (22) offers the mounting hole (22b) wind spring mandrel (22) and taking-up device mandrel (12) can being coaxially connected with taking-up device mandrel (12) one end fits.
5. car belt retracting device according to claim 4, it is characterized in that, described transmission device comprises and is arranged at wind spring cover (24) outside and the worm gear (24b) be connected with wind spring cover (24) and the worm screw (26b) be arranged on motor (26) power take-off shaft, and described worm gear (24b) coordinates with worm screw (26b).
6. the car belt retracting device according to claim 1-6 any one, it is characterized in that, this device also comprises the outer cover (25) being arranged at wind spring cover (24) outside, described outer cover (25) central axis is provided with cylindric projection (25a), described wind spring cover (24) outer side center place is provided with the rotating hole (24d) matched with described projection (25a), described outer cover (25) bottom offers the worm hole (25b) passed for worm screw (26b), and described outer cover (25) also has screw two (25c).
7. car belt retracting device according to claim 6, it is characterized in that, described electric-control system (27) comprises ECU, the control button be all connected with ECU, multichannel early warning sensor, touch sensor and motor driver, described crash sensor is arranged at automobile surrounding, and described touch sensor is arranged in the safety strap slot of automobile, described in, the Signal transmissions of multichannel early warning sensor is to the input port of ECU, and the output port of ECU is connected with motor driver.
8. car belt retracting device according to claim 7, is characterized in that, described multichannel early warning sensor comprises: automobile longitudinal, lateral acceleration sensor; Forward and backward collision avoidance radar sensor; Automobile yaw-rate sensor; Steering wheel angle sensor and brake pedal displacement pickup.
9. car belt retracting device according to claim 1, is characterized in that, described wind spring mandrel (22) above and outside wind spring cover (24) all offers some auxiliary holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261397.4A CN104890612A (en) | 2015-05-20 | 2015-05-20 | Automobile seatbelt retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261397.4A CN104890612A (en) | 2015-05-20 | 2015-05-20 | Automobile seatbelt retractor |
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| Publication Number | Publication Date |
|---|---|
| CN104890612A true CN104890612A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261397.4A Pending CN104890612A (en) | 2015-05-20 | 2015-05-20 | Automobile seatbelt retractor |
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| CN (1) | CN104890612A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216745A (en) * | 2015-10-21 | 2016-01-06 | 芜湖金安世腾汽车安全系统有限公司 | A kind of can the car belt of electronic fine setting degree of tightness |
| CN106608242A (en) * | 2015-10-23 | 2017-05-03 | 北汽福田汽车股份有限公司 | Safety belt height adjustment device for vehicle, safety belt device and vehicle |
| CN107364417A (en) * | 2017-07-25 | 2017-11-21 | 顾钰锋 | Comfort type car belt |
| CN107539267A (en) * | 2016-06-24 | 2018-01-05 | 株式会社东海理化电机制作所 | Webbing take-up device |
| CN107719300A (en) * | 2016-08-10 | 2018-02-23 | 高田株式会社 | Pretensioner, coiler and seat safety belt apparatus |
| CN110154922A (en) * | 2018-02-11 | 2019-08-23 | 比亚迪股份有限公司 | For adjusting executing agency and the vehicle of display terminal |
| CN111185757A (en) * | 2020-03-04 | 2020-05-22 | 许昌学院 | Automatic assembling process for safety belt retractor |
| DE102019116449A1 (en) * | 2019-06-18 | 2020-12-24 | Zf Automotive Germany Gmbh | Belt reel and belt retractor with a belt reel |
| CN112329576A (en) * | 2020-10-27 | 2021-02-05 | 南京大学 | Method for identifying position of coil spring of automobile safety belt |
| CN114044414A (en) * | 2021-10-20 | 2022-02-15 | 南京普爱医疗设备股份有限公司 | Hidden cable coil spring winding and pre-tightening structure for medical X-ray machine |
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| CN106608242A (en) * | 2015-10-23 | 2017-05-03 | 北汽福田汽车股份有限公司 | Safety belt height adjustment device for vehicle, safety belt device and vehicle |
| CN107539267B (en) * | 2016-06-24 | 2021-01-08 | 株式会社东海理化电机制作所 | Safety belt winding device |
| CN107539267A (en) * | 2016-06-24 | 2018-01-05 | 株式会社东海理化电机制作所 | Webbing take-up device |
| CN107719300A (en) * | 2016-08-10 | 2018-02-23 | 高田株式会社 | Pretensioner, coiler and seat safety belt apparatus |
| CN107364417A (en) * | 2017-07-25 | 2017-11-21 | 顾钰锋 | Comfort type car belt |
| CN107364417B (en) * | 2017-07-25 | 2019-07-05 | 海南飞宇实业有限公司 | Comfort type car belt |
| CN110154922B (en) * | 2018-02-11 | 2022-04-15 | 比亚迪股份有限公司 | Actuating mechanism for adjusting display terminal and vehicle |
| CN110154922A (en) * | 2018-02-11 | 2019-08-23 | 比亚迪股份有限公司 | For adjusting executing agency and the vehicle of display terminal |
| DE102019116449A1 (en) * | 2019-06-18 | 2020-12-24 | Zf Automotive Germany Gmbh | Belt reel and belt retractor with a belt reel |
| CN111185757A (en) * | 2020-03-04 | 2020-05-22 | 许昌学院 | Automatic assembling process for safety belt retractor |
| CN112329576A (en) * | 2020-10-27 | 2021-02-05 | 南京大学 | Method for identifying position of coil spring of automobile safety belt |
| CN112329576B (en) * | 2020-10-27 | 2023-11-28 | 南京大学 | Method for identifying position of coil spring of automobile safety belt |
| CN114044414A (en) * | 2021-10-20 | 2022-02-15 | 南京普爱医疗设备股份有限公司 | Hidden cable coil spring winding and pre-tightening structure for medical X-ray machine |
| CN114044414B (en) * | 2021-10-20 | 2024-03-05 | 南京普爱医疗设备股份有限公司 | Concealed cable coil spring wire-winding pre-tightening structure for medical X-ray machine |
| CN115257624A (en) * | 2022-09-13 | 2022-11-01 | 江苏新达能汽车部件有限公司 | Automobile safety belt winding mechanism |
| CN115257624B (en) * | 2022-09-13 | 2024-01-30 | 江苏新达能汽车部件有限公司 | Automobile safety belt winding mechanism |
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