CN108216111A - A kind of seat belt retractor with adaptive oblique locking - Google Patents
A kind of seat belt retractor with adaptive oblique locking Download PDFInfo
- Publication number
- CN108216111A CN108216111A CN201711382935.0A CN201711382935A CN108216111A CN 108216111 A CN108216111 A CN 108216111A CN 201711382935 A CN201711382935 A CN 201711382935A CN 108216111 A CN108216111 A CN 108216111A
- Authority
- CN
- China
- Prior art keywords
- steel ball
- main shaft
- lock plate
- oblique locking
- belt retractor
- 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.)
- Pending
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The present invention discloses a kind of seat belt retractor with adaptive oblique locking, and technical solution includes the seat belt retractor with adaptive oblique locking, including：Coiler frame, on the chair back of Moveable chair, when adjusting movable back angle, the inclination movement together with the chair back；Main shaft is rotatably mounted in the coiler frame, for winding safety band；It is fast to take out lockable mechanism, on the coiler frame, when safety belt is quickly extracted out, the extraction action of seatbelt lock；Oblique locking mechanism, on the coiler frame, during vehicle run-off the straight, the extraction action of seatbelt lock.
Description
Technical field
The present invention relates to a kind of seat belt retractors.
Background technology
Seat belt retractor refers to the coiler of lock in emergency function.It is the core component of car belt, realization
Function includes spring recycling, inclination of vehicle sensing, vehicle suddenly accelerate anxious sense of slowing down should, safety belt acceleration induction etc..Tradition tool
There is the seat belt retractor of oblique latch functions as shown in notification number for the Chinese invention patent of " CN201304958Y ", mainly tie
Structure includes：Steel ball, steel ball pedestal, wobble component, pawl, spreadet spreadet wheel.The steel ball pedestal is fixed on coiler frame, described
Steel ball is mounted in steel ball pedestal.When tilting of automobile is more than certain angle, steel ball hits wobble component, swing group according to inertia
The swing of part makes pawl snap on spreadet spreadet wheel, makes main shaft stop by spreadet spreadet wheel.Although the coiler of this structure also may be used
To be mounted on the chair back of Moveable chair, have the drawback that：When the movable back of the chair back gradually tilts backwards, steel ball
It is gradually close to wobble component direction, when backrest inclination is to certain angle, oblique locking function can be triggered, safety belt cannot be taken out
Go out.Therefore, it is only applicable to the small-scale adjusting of movable back.
Invention content
The technical problem to be solved in the present invention is to provide a kind of seat belt retractors with adaptive oblique locking.
To solve the above problems, the technical solution adopted by the present invention includes the safety belt with adaptive oblique locking
Coiler, including：
Coiler frame on the chair back of Moveable chair, when adjusting movable back angle, tilts shifting together with the chair back
It is dynamic；
Main shaft is rotatably mounted in the coiler frame, for winding safety band；
It is fast to take out lockable mechanism, on the coiler frame, when safety belt is quickly extracted out, the extraction action of seatbelt lock；
Oblique locking mechanism, on the coiler frame, during vehicle run-off the straight, the extraction action of seatbelt lock；
The oblique locking mechanism includes lock plate, the first oscillating rod, steel ball, steel ball seat, and the lock plate lower end connects with main shaft
Connect, side wall be equipped with one circle the first locking tooth, first oscillating rod be equipped with the first pawl, the steel ball be mounted on steel ball seat
It is interior, it is characterised in that：The steel ball seat is articulated on the coiler frame, and steel ball seat upper end side pivot joint second is swung
Bar, during vehicle run-off the straight, the steel ball hits the second oscillating rod according to inertia makes its swing, the swing of second oscillating rod
The first oscillating rod is driven to be swung to lock plate direction, first pawl is made to be caught in the first locking tooth, the steel ball seat lower end is set
Horizontal clump weight is put, when adjusting movable back angle, the horizontal clump weight applies steel ball seat on pressure, steel ball seat pivot therewith
Turn, and keep horizontal.
The seat belt retractor, it is characterised in that：The steel ball seat side plate is equipped with fan-shaped positioning gear, described
Locating rod is installed in main shaft upper end by positioning pole socket, and when safety belt is extracted out, the rotation counterclockwise of the main shaft drives locating rod inverse
Shi Xuanzhuan makes locating rod front end be caught in the fan-shaped positioning gear, and when safety belt is retracted, the main shaft rotates clockwise band
Dynamic locating rod up time rotation makes locating rod front end far from the fan-shaped positioning gear.
The seat belt retractor, it is characterised in that：Unlocking mechanism, the solution lock machine are installed on the coiler frame
Structure includes cam, gear set, and the rotation of the main shaft drives gear set rotation, and then the synchronous rotary with moving cam, works as safety
For band in reset state, the lug boss of the cam withstands first oscillating rod.
The seat belt retractor, it is characterised in that：Lock plate cover, the lock plate are installed on the coiler frame
Cover has upper mounting groove and lower mounting groove, and the gear set of the unlocking mechanism is mounted in the upper mounting groove, and fast take out is locked
Locking mechanism includes inertia motion block, resetting spring, and the inertia motion block front end is equipped with the second pawl, and the inertia motion block resets bullet
Spring is installed on lock plate, and a circle and the second lock of inertia motion block locking cooperation are equipped in the lower mounting groove of the lock plate cover
Only tooth, the cam installs lock plate cover upper end and covers the gear set, in the lock plate cover side extension tilt lock
Locking mechanism mounting base, the oblique locking mechanism are mounted in oblique locking mechanism mounting base.
The seat belt retractor, it is characterised in that：The locating rod side is equipped with limited post.
The advantages of seat belt retractor of the present invention：When the movable back of the chair back gradually tilts backwards, the steel ball with
Pivot, and keep horizontal, center of gravity remains unchanged, and steel ball also keeps in situ, so as to cause trigger irregularly tilt lock
Only the problem of.When being taken out outside the angle for reaching needs and adjusting, safety belt, locating rod front end quick lock in sector gear；It rolls up in this way
The actual angle of inclination of seat can just be adapted to automatically by receiving device, rotate synchronously simultaneously real-time lock；The seat belt retractor of the present invention can
Suitable for the various angular adjustments of movable back.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the explosive view of the present invention；
Fig. 3 is the structure diagram of oblique locking mechanism of the present invention；
Fig. 4 is the structure diagram of lock plate cover of the present invention；
Fig. 5 is lock plate of the present invention and the fast structure diagram for taking out lockable mechanism；
Fig. 6 is present invention positioning pole socket and the structure diagram of locating rod；
Fig. 7 is the structure diagram of unlocking mechanism of the present invention；
Fig. 8 is the use state diagram of the present invention.
Specific embodiment
Shown in Fig. 1-8, of the invention has the function of a kind of seat belt retractor of adaptive oblique locking, including coiler
Frame 1, main shaft 2, fast pumping lockable mechanism 3, oblique lockable mechanism 4.The coiler frame 1, on the chair back of Moveable chair,
When adjusting movable back angle, the inclination movement together with the chair back.The coiler frame 1 includes a perpendicular side plate and is located at vertical
The left plate and right plate at side plate both ends are equipped with two supporting rods, to improve coiler frame in left plate and right plate side
Intensity.The main shaft 2 is rotatably mounted in the coiler frame 1, for winding safety band.The fast pumping lockable mechanism
3, on the right plate of the coiler frame 1, when safety belt is quickly extracted out, the extraction action of seatbelt lock.It is described to incline
Oblique lockable mechanism 4, is also mounted on the right plate of the coiler frame 1, and during vehicle run-off the straight, the extraction of seatbelt lock is moved
Make.Wind spring 34, wind spring lid 35, end cap 36 are also equipped on the left plate of the coiler frame 1.The wind spring and main shaft 2, control
Belt extraction.Outermost end on the right plate of the coiler frame 1 also sets up cover 37.
The oblique locking mechanism 4 includes lock plate 6, the first oscillating rod 7, steel ball 8, steel ball seat 9, under the lock plate 6
End is fixedly connected with main shaft 2, and 6 side wall of lock plate is equipped with first locking tooth 10 of circle, and 7 front end of the first oscillating rod is equipped with
First pawl 11, the steel ball 8 are mounted in steel ball seat 9, and the steel ball seat 9 is articulated in the retracting by the shaft 27 at both ends
On device frame 1, the 9 upper end side of steel ball seat is pivotally connected the second oscillating rod 12, and during vehicle run-off the straight, the steel ball 8 is according to inertia
Hitting the second oscillating rod 12 makes its swing, and the swing of second oscillating rod 12 drives the first oscillating rod 7 to be put to 6 direction of lock plate
It is dynamic, first pawl 11 is made to be caught in the first locking tooth 10,9 lower end of steel ball seat sets horizontal clump weight 13, lives adjusting
During dynamic backrest angle, the horizontal clump weight 13 applies pressure to steel ball seat 8, and steel ball seat 8 pivots therewith, and keeps horizontal, such as
Fig. 8.To allow each degree of steel ball 8 that can trigger the second oscillating rod 12.Second oscillating rod, 12 front end is equipped with bowl-type supporting surface 28.
To allow 12 all angles of the second oscillating rod that can trigger the first oscillating rod 7,28 back side of bowl-type supporting surface is equipped with the first arc
The second arcwall face 30 that face 29,11 back side of the first pawl setting of first oscillating rod 7 and the first arcwall face 29 are adapted.
Further, fan-shaped positioning gear 14 is extended on the epipleural of the steel ball seat 9,2 upper end of main shaft passes through
It positions pole socket 15 and locating rod 16 is installed.The locating rod 16 is made of metallic rod, the front be bent with vertical clamping portion 31, after
End folding has annular mounting portion 32, which is connected in the annular groove 33 of positioning pole socket 15.When safety belt is taken out
When going out, the rotation counterclockwise of the main shaft 2 drives the rotation of 16 inverse time of locating rod, and 15 front end of locating rod is made to be caught in the fan-shaped positioning
In gear 14, when safety belt is retracted, rotating clockwise for the main shaft 2 drives the rotation of 16 up time of locating rod, before making locating rod 15
End stops far from the fan-shaped positioning gear 14 until the locating rod 15 reaches 26 position of limited post.The locating rod 15 is stopped
After only, if main shaft 2 is also being continued rotation, skids between the locating rod 16 and positioning pole socket 15, locating rod 16 is made to keep former
Position.Above-mentioned fan-shaped positioning gear 14 and the effect of locating rod 16 are：When extracting safety belt out（That is use state）, the locating rod
16 are caught in fan-shaped positioning gear 14,4 position of oblique locking mechanism are fixed, if safety belt is in use state, the tilt lock
Locking mechanism 4 is also in the state freely pivoted, and when inclination of vehicle, the steel ball seat can do the pivot of opposite direction, make
Steel ball is difficult to be triggered to oscillating rod, leads to the insensitive of triggering；When safety belt resets（That is unused state）, the tilt lock
Locking mechanism 4 is again in the state freely pivoted.
Further, unlocking mechanism 5 is installed, the unlocking mechanism 5 includes cam 17, gear on the coiler frame 1
Group 18, the rotation of the main shaft 2 drives gear set 18 to rotate, and then with the synchronous rotary of moving cam 17, when safety belt is resetting
During state, the lug boss 19 of the cam 17 withstands first oscillating rod 7.The gear set 18 includes the master being mutually twisted
Driving wheel 18a, driven wheel 18c, cam wheel 18b, the driving wheel 18a are connect with 2 upper end of main shaft, and the cam wheel 18b is set
It puts at 17 back side of cam, the driven wheel 18c is arranged between driving wheel 18a and cam wheel 18b.The unlocking mechanism 5
Effect is：Preventing safety belt, oblique locking mechanism carries out wrong locking to it in reset state, if automobile is by certain external force
（Such as severe jolt）It influences.
Further, lock plate cover 20 is installed, the lock plate cover 20 has upper mounting groove 21 on the coiler frame 1
With lower mounting groove 22, the gear set 18 of the unlocking mechanism 5 is mounted in the upper mounting groove 21, the fast pumping lockable mechanism 3
Including pendulum inertia motion block 301, resetting spring 302,301 front end of inertia motion block is equipped with the second pawl 303, and the pendulum inertia moves
Block 301, resetting spring 302 are installed on lock plate 6, and it is used with pendulum that a circle is equipped in the lower mounting groove 22 of the lock plate cover 20
Property the cooperation of motion block 301 locking the second locking tooth 24, the cam 17 installs 20 upper end of lock plate cover and simultaneously covers the gear set
18, in 20 side extension of the lock plate cover oblique locking mechanism mounting base 25, the oblique locking mechanism 4, which is mounted on, to be tilted
In lockable mechanism mounting base 25.By the design of lock plate cover, make to take out lockable mechanism soon, oblique locking mechanism is integrated in locking
On disk cover, convenient for the production and assembling of product, while assemble overall structure closely, stablize.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., are all contained within protection scope of the present invention.
Claims (5)
1. a kind of seat belt retractor with adaptive oblique locking, including：
Coiler frame（1）, on the chair back of Moveable chair, when adjusting movable back angle, tilted together with the chair back
It is mobile；
Main shaft（2）, it is rotatably mounted to the coiler frame（1）It is interior, for winding safety band；
It is fast to take out lockable mechanism（3）, mounted on the coiler frame（1）On, when safety belt is quickly extracted out, the extraction of seatbelt lock
Action；
Oblique locking mechanism（4）, mounted on the coiler frame（1）On, during vehicle run-off the straight, the extraction of seatbelt lock is moved
Make；
The oblique locking mechanism（4）Including lock plate（6）, the first oscillating rod（7）, steel ball（8）, steel ball seat（9）, the locking
Disk（6）Lower end and main shaft（2）Connection, side wall are equipped with first locking tooth of circle（10）, first oscillating rod（7）It is equipped with first
Pawl（11）, the steel ball（8）Mounted on steel ball seat（9）It is interior, it is characterised in that：The steel ball seat（9）It is articulated in the retracting
Device frame（1）On, the steel ball seat（9）Upper end side is pivotally connected the second oscillating rod（12）, during vehicle run-off the straight, the steel ball（8）
Second oscillating rod is hit according to inertia（12）Make its swing, second oscillating rod（12）Swing drive the first oscillating rod（7）
To lock plate（6）Direction is swung, and makes first pawl（11）It is caught in the first locking tooth（10）, the steel ball seat（9）Lower end is set
Put horizontal clump weight（13）, when adjusting movable back angle, the horizontal clump weight（13）To steel ball seat（8）Apply pressure,
The steel ball seat（8）It pivots therewith, and keeps horizontal.
2. seat belt retractor according to claim 1, it is characterised in that：The steel ball seat（9）Side plate is equipped with fan
Shape positions gear（14）, the main shaft（2）Upper end is by positioning pole socket（15）Locating rod is installed（16）, when safety belt is extracted out, institute
State main shaft（2）Rotation counterclockwise drive locating rod（16）Rotation counterclockwise, makes locating rod（16）Front end is caught in described fan-shaped fixed
Position gear（14）It is interior, when safety belt is retracted, the main shaft（2）Rotate clockwise drive locating rod（16）It rotates clockwise, makes
Locating rod（16）Front end is far from the fan-shaped positioning gear（14）.
3. seat belt retractor according to claim 1, it is characterised in that：The coiler frame（1）On unlock is installed
Mechanism（5）, the unlocking mechanism（5）Including cam (17), gear set（18）, the main shaft（2）Rotation drive gear set
（18）Rotation, and then with the synchronous rotary of moving cam (17), when safety belt is in reset state, the lug boss of the cam (17)
（19）Withstand first oscillating rod（7）.
4. seat belt retractor according to claim 3, it is characterised in that：The coiler frame（1）On locking is installed
Disk cover（20）, the lock plate cover（20）With upper mounting groove（21）With lower mounting groove（22）, the unlocking mechanism（5）Gear
Group（18）Mounted on the upper mounting groove（21）It is interior, the fast pumping lockable mechanism（3）Including inertia motion block（301）, resetting spring
（302）, the inertia motion block（301）Front end is equipped with the second pawl（303）, the inertia motion block（301）, resetting spring（302）
It is installed in lock plate（6）On, the lock plate cover（20）Lower mounting groove（22）Inside it is equipped with a circle and inertia motion block（301）Lock
The second locking tooth only coordinated（24）, cam (17) the installation lock plate cover（20）Upper end simultaneously covers the gear set（18）,
In the lock plate cover（20）Side extension oblique locking mechanism mounting base（25）, the oblique locking mechanism（4）It is mounted on
Oblique locking mechanism mounting base（25）It is interior.
5. seat belt retractor according to claim 2, it is characterised in that：The locating rod（15）Side is equipped with limited post
（26）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382935.0A CN108216111A (en) | 2017-12-20 | 2017-12-20 | A kind of seat belt retractor with adaptive oblique locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382935.0A CN108216111A (en) | 2017-12-20 | 2017-12-20 | A kind of seat belt retractor with adaptive oblique locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108216111A true CN108216111A (en) | 2018-06-29 |
Family
ID=62650019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382935.0A Pending CN108216111A (en) | 2017-12-20 | 2017-12-20 | A kind of seat belt retractor with adaptive oblique locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108216111A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481493A (en) * | 2019-08-28 | 2019-11-22 | 浙江松原汽车安全系统股份有限公司 | A kind of coiler locking cover and coiler |
| CN112221071A (en) * | 2020-09-28 | 2021-01-15 | 张嵘 | Self-detection anti-tumble protection device for treadmill |
| WO2024012177A1 (en) * | 2022-07-15 | 2024-01-18 | 奥托立夫开发公司 | Safety belt retractor |
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| DE3441532A1 (en) * | 1984-11-14 | 1986-05-15 | Autoflug GmbH & Co Fahrzeugtechnik, 2084 Rellingen | Self-locking belt retractor especially for passive safety belt systems in motor vehicles |
| JPH10181526A (en) * | 1996-12-20 | 1998-07-07 | Tokai Rika Co Ltd | Acceleration sensor device for vehicle |
| CN102689619A (en) * | 2012-06-18 | 2012-09-26 | 黄绍勇 | Three-point pre-tightening automobile safety belt device |
| CN102837662A (en) * | 2012-08-30 | 2012-12-26 | 重庆光大产业有限公司 | Overturning anti-locking type structure for seat |
| CN104039606A (en) * | 2012-01-13 | 2014-09-10 | 奥托立夫开发公司 | Seat belt retractor |
| CN205396010U (en) * | 2016-03-01 | 2016-07-27 | 江阴市达安汽车零部件有限公司 | Angularly adjustable coiler and safety belt |
| CN106740654A (en) * | 2016-12-24 | 2017-05-31 | 江阴市达安汽车零部件有限公司 | Coiler and its safety belt with the coiler |
| CN107244303A (en) * | 2017-04-27 | 2017-10-13 | 浙江松原汽车安全系统股份有限公司 | A kind of safety belt winding device |
| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
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2017
- 2017-12-20 CN CN201711382935.0A patent/CN108216111A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3441532A1 (en) * | 1984-11-14 | 1986-05-15 | Autoflug GmbH & Co Fahrzeugtechnik, 2084 Rellingen | Self-locking belt retractor especially for passive safety belt systems in motor vehicles |
| JPH10181526A (en) * | 1996-12-20 | 1998-07-07 | Tokai Rika Co Ltd | Acceleration sensor device for vehicle |
| CN104039606A (en) * | 2012-01-13 | 2014-09-10 | 奥托立夫开发公司 | Seat belt retractor |
| CN102689619A (en) * | 2012-06-18 | 2012-09-26 | 黄绍勇 | Three-point pre-tightening automobile safety belt device |
| CN102837662A (en) * | 2012-08-30 | 2012-12-26 | 重庆光大产业有限公司 | Overturning anti-locking type structure for seat |
| CN205396010U (en) * | 2016-03-01 | 2016-07-27 | 江阴市达安汽车零部件有限公司 | Angularly adjustable coiler and safety belt |
| CN106740654A (en) * | 2016-12-24 | 2017-05-31 | 江阴市达安汽车零部件有限公司 | Coiler and its safety belt with the coiler |
| CN107244303A (en) * | 2017-04-27 | 2017-10-13 | 浙江松原汽车安全系统股份有限公司 | A kind of safety belt winding device |
| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481493A (en) * | 2019-08-28 | 2019-11-22 | 浙江松原汽车安全系统股份有限公司 | A kind of coiler locking cover and coiler |
| CN112221071A (en) * | 2020-09-28 | 2021-01-15 | 张嵘 | Self-detection anti-tumble protection device for treadmill |
| WO2024012177A1 (en) * | 2022-07-15 | 2024-01-18 | 奥托立夫开发公司 | Safety belt retractor |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
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| RJ01 | Rejection of invention patent application after publication |