CN107791998A - A kind of Webbing retractor mandrel component structure - Google Patents
A kind of Webbing retractor mandrel component structure Download PDFInfo
- Publication number
- CN107791998A CN107791998A CN201711292544.XA CN201711292544A CN107791998A CN 107791998 A CN107791998 A CN 107791998A CN 201711292544 A CN201711292544 A CN 201711292544A CN 107791998 A CN107791998 A CN 107791998A
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- limiting section
- main body
- steel wire
- mandrel
- torque arm
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 230000013011 mating Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses a kind of Webbing retractor mandrel component structure, including mandrel main body and torque arm, the torque arm passes through the mandrel main body；And one end connecting mandrel main body of the torque arm, the outside that the other end of the torque arm extends to the mandrel main body are connected with turbine；Two level limiter steel wire ring is installed, and the two level limiter steel wire ring passes through the torque arm, can deform and produce resistance with the friction of the side end face of mandrel main body, form the two level limiter to the torque arm on the side end face of the mandrel main body.The beneficial effects of the present invention are：The structure coordinated using torque arm and two level limiter steel wire ring with mandrel main body, can form two level limiter, effective to ensure mandrel component smooth running in locking, and the two level limiter steel wire ring can reduce the twisting resistance of torque arm carrying, improve performance；And this is simple and compact for structure, production and processing is convenient.
Description
Technical field
The present invention relates to automobile safety belt retractor part design field, and in particular to a kind of Webbing retractor mandrel group
Part structure.
Background technology
Coiler, refer to the coiler of lock in emergency function, safety belt is made up of the synthetic fibers of intensity maximum, with tool
The coiler of auto-lock function, after fastening one's safety belt, coiler takes up automatically, when vehicle just in case there is brake hard, front
Collision or when rolling, occupant can make safety belt by quick and fierce stretching, and the auto-lock function of coiler can be this moment
Moment blocks safety belt, occupant is close to seat, avoids falling out outside car or collision is injured.Wherein coiler needs to use mandrel group
Part, there is provided limiter function, because coiler is by after unexpected locking, one end of coiler stops, the other end due to safety belt after
Continuous releasing will produce twisting resistance, if the twisting resistance can not be limited in time, coiler will locking it is unstable, cause rotary motion
It is unstable.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of Webbing retractor mandrel component structure,
Two level limiter steel wire ring is arranged on to the side of mandrel main body, using the friction between two level limiter steel wire ring and mandrel main body and
The deformation of two level limiter steel wire ring buffers twisting resistance, carries out two level limiter, can effectively improve the spin stabilization after locking
Property.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of Webbing retractor mandrel component structure, including mandrel main body and torque arm, the torque arm pass through the mandrel
Main body；And one end connecting mandrel main body of the torque arm, the other end of the torque arm extend to the outer of the mandrel main body
Side is connected with turbine；Two level limiter steel wire ring is installed, and the two level limiter steel wire ring is worn on the side end face of the mandrel main body
The torque arm is crossed, can deform and produce resistance with the friction of the side end face of mandrel main body, forms the two level limit to the torque arm
Power.
Further, the both ends of the torque arm are integrally formed with spline, for the turbine and the mandrel master
Body nested encryptions.
Further, one end of the mandrel main body is provided with coupled wheel, and the other end of the mandrel main body is convex provided with shaft end
Rise, the coupled wheel, the shaft end is raised is integrally formed with the mandrel main body, and the coupled wheel is connected with spline fitted；Institute
The periphery for stating spline offers some arc mating grooves for being used to coordinate, the end face outside of the spline offer for through
The steel wire trough of two level limiter steel wire ring；
One side end face of the mandrel main body be along the circumferential direction sequentially provided with the first limiting section, the second limiting section, the 3rd limiting section,
4th limiting section, the 5th limiting section and the 6th limiting section, first limiting section and the 4th limiting section are symmetrical, described
Second limiting section and the 5th limiting section are symmetrical, and the 3rd limiting section and the 6th limiting section are symmetrical；Institute
Two level limiter steel wire ring is stated successively along the 3rd limiting section lateral surface, the second limiting section medial surface, first limit
Outside position portion lateral surface, the steel wire trough, the 4th limiting section lateral surface, the 5th limiting section medial surface and the 6th limiting section
Side is unidirectionally wound.
Further, the steel wire trough quantity is even number, and steel wire trough minute surface in the end face outside of the spline
It is symmetrical.
Further, first limiting section and the 4th limiting section are strip；
Second limiting section and the 5th limiting section are cylinder；
3rd limiting section and the 6th limiting section are arc；
And the 3rd limiting section is provided with connecting pin with the 6th limiting section, for being fixedly connected with the turbine.
Further, the mandrel body side is additionally provided with fixation with steel wire ring, the fixation with steel wire ring and the first limiting section,
The medial surface fitting of two limiting sections, the 3rd limiting section, the 4th limiting section, the 5th limiting section and the 6th limiting section, and the steel wire
Retainer ring is installed with the spline fitted.
Further, the turbine includes turbo main body, the shaft shoulder, axle sleeve and spindle nose, and the shaft shoulder is located at the turbine master
The side outer ring of body, the axle sleeve are located on the inside of the shaft shoulder and are connected with the turbo main body, and the spindle nose is located at the whirlpool
The opposite side of wheel body.
Further, the good spindle nose of the turbo main body, the shaft shoulder, the axle sleeve is integrally formed.
Further, the turbo main body outer circumference surface is provided with some circumferentially equally distributed semi-circular recesses, is used for
Connect actuator.
Further, the shaft shoulder is raised nested with the shaft end, and is provided between the shaft shoulder and the shaft end projection
Axle bush.
Using said structure, when assembling the mandrel component, the other end of the torque arm is passed through into spline and turbine
Axle sleeve is connected；Two level limiter steel wire ring is unidirectionally wrapped in the first limiting section, the second limit of the mandrel main body side end face
On position portion, the 3rd limiting section, the 4th limiting section, the 5th limiting section and the 6th limiting section, and two level limiter steel wire ring passes through institute
The steel wire trough on spline is stated, then the fixation with steel wire ring is nested on the spline, for two level limiter steel wire ring edge
Torque arm length direction it is spacing, then the other end of the torque arm is connected by spline and the coupled wheel, this
When, the shaft shoulder of the turbine is raised nested with the shaft end of mandrel main body；
When in use, after the spindle nose of the mandrel component is locked out, described torque arm one end of locking stops operating, due to two level
The steel wire trough of spline is passed through in the middle part of limiter steel wire ring, therefore the middle part of two level limiter steel wire ring also stops operating, the mandrel master
Safety belt on body continues to release and be rotated further, and one end that the torque arm coordinates with the coupled wheel is with the mandrel master
Body is rotated and reversed, and now straight bar section twists to form two level limiter among the torque arm, one end of the mandrel main body
By the first limiting section, the second limiting section, the 3rd limiting section, the 4th limiting section, the 5th limiting section and the 6th limiting section due to rotation
Turn to form friction between extruding two level limiter steel wire ring, with the two level limiter steel wire ring, become caused by two level limiter steel wire ring
Shape power, frictional force can buffer twisting resistance, form the function of two level limiter, ensure that mandrel component held stationary revolves in locking
Turn.
To sum up, the beneficial effects of the present invention are：Coordinated using torque arm and two level limiter steel wire ring with mandrel main body
Structure, two level limiter can be formed, effective to ensure mandrel component smooth running in locking, the two level limiter steel wire ring can
To reduce the twisting resistance of torque arm carrying, performance is improved；And this is simple and compact for structure, production and processing is convenient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the explosive view of the present invention；
Fig. 2 is the installation diagram of the present invention；
Fig. 3 is two level limiter steel wire ring of the present invention and mandrel main body assembling assumption diagram；
Fig. 4 is two level limiter steel wire ring, torque arm and turbine assembly structure figure of the present invention；
Fig. 5 is two level limiter steel wire ring, torque arm, fixation with steel wire ring and turbine assembly structure figure of the present invention；
Fig. 6 is two level limiter steel wire ring of the present invention and spline fitted structure chart；
Fig. 7 is the turbine three-dimensional structure diagram of the present invention；
Fig. 8 is the turbine other direction three-dimensional structure diagram of the present invention.
Description of reference numerals is as follows：
1st, mandrel main body；101st, the first limiting section；102nd, the second limiting section；103rd, the 3rd limiting section；104th, connecting pin；105th,
Four limiting sections；106th, the 5th limiting section；107th, the 6th limiting section；108th, shaft end is raised；109th, coupled wheel；2nd, torque arm；3rd, flower
Key；301st, steel wire trough；302nd, mating groove；4th, fixation with steel wire ring；5th, two level limiter steel wire ring；6th, axle bush；7th, turbine；701st, turbine
Main body；702nd, the shaft shoulder；703rd, axle sleeve；704th, spindle nose.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
Referring to shown in Fig. 1-Fig. 8, the invention provides a kind of Webbing retractor mandrel component structure, including mandrel main body
1 and torque arm 2, the torque arm 2 pass through the mandrel main body 1；And one end connecting mandrel main body 1 of the torque arm 2, it is described
The outside that the other end of torque arm 2 extends to the mandrel main body 1 is connected with turbine 7；Pacify on the side end face of the mandrel main body 1
Equipped with two level limiter steel wire ring 5, and the two level limiter steel wire ring 5 passes through the torque arm 2, can deform and mandrel main body 1
Side end face friction produces resistance, forms the two level limiter to the torque arm 2.
To improve torque arm 2 and mandrel main body 1 and the bonding strength of turbine 7, further, the both ends of the torque arm 2
Integrally formed with spline 3, for the turbine 7 and the nested encryptions of mandrel main body 1.
Further to form two level limiter, one end of the mandrel main body 1 is provided with coupled wheel 109, the mandrel main body 1
The other end is provided with shaft end projection 108, and the shaft end projection 108 can be fitted close with the shaft shoulder 702 of turbine 7, the coupled wheel
109th, the shaft end projection 108 is integrally formed with the mandrel main body 1, can conveniently be processed, and the coupled wheel 109 and spline 3
It is connected；The periphery of the spline 3 offers some arc mating grooves 302 for being used to coordinate, the outboard end of the spline 3
Face is offered for the steel wire trough 301 through two level limiter steel wire ring 5；The two level limiter steel wire ring 5 can pass through the steel
Silk groove 301, steel wire trough 301 have the function that spacing to two level limiter steel wire ring 5, while can make two level limiter steel wire during locking
The middle part of ring 5 stops operating；
One side end face of the mandrel main body 1 is along the circumferential direction sequentially provided with the first limiting section 101, the second limiting section the 102, the 3rd
Limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section 107, first limiting section 101 with it is described
4th limiting section 105 is symmetrical, and second limiting section 102 and the 5th limiting section 106 are symmetrical, the 3rd limit
Position portion 103 and the 6th limiting section 107 are symmetrical；The two level limiter steel wire ring 5 is successively along the 3rd limiting section
It is 103 lateral surfaces, the medial surface of the second limiting section 102, the lateral surface of the first limiting section 101, the steel wire trough 301, described
The lateral surface of 4th limiting section 105, the medial surface of the 5th limiting section 106 and the lateral surface of the 6th limiting section 107 are unidirectionally wound, and first
Limiting section 101, the second limiting section 102, the 3rd limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section
107 side can rub with two level limiter steel wire ring 5 and form two level limiter；The quantity of steel wire trough 301 is even number, and described
The minute surface in the end face outside of the spline 3 of steel wire trough 301 is symmetrical, and this structure is easy to pass through in the middle part of two level limiter steel wire,
And be advantageous to spacing.
To improve the contact area of limiting section and two level limiter steel wire ring 5, frictional force, further, described first are improved
Limiting section 101 and the 4th limiting section 105 are strip；
Second limiting section 102 and the 5th limiting section 106 are cylinder；
3rd limiting section 103 and the 6th limiting section 107 are arc；
And the 3rd limiting section 103 is provided with connecting pin 104 with the 6th limiting section 107, for being fixed with the turbine 7
Connection；The side of mandrel main body 1 is additionally provided with fixation with steel wire ring 4, and the fixation with steel wire ring 4 and the first limiting section 101, second are spacing
Portion 102, the medial surface fitting of the 3rd limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section 107, and
The fixation with steel wire ring 4 coordinates with the spline 3 to be installed.
To improve the performance of turbine 7, further, the turbine 7 includes turbo main body 701, the shaft shoulder 702, the and of axle sleeve 703
Spindle nose 704, the shaft shoulder 702 are located at the side outer ring of the turbo main body 701, and the shaft shoulder 702 can be with the shaft end of mandrel main body 1
Projection 108 is nested, and the axle sleeve 703 is located at the inner side of the shaft shoulder 702 and is connected with the turbo main body 701, and the axle sleeve 703 can
To coordinate with spline 3, the spindle nose 704 is located at the opposite side of the turbo main body 701；The turbo main body 701, the shaft shoulder
702nd, the good spindle nose 704 of the axle sleeve 703 is integrally formed；The outer circumference surface of turbo main body 701 is provided with some circumferentially equal
The semi-circular recesses of even distribution, for connecting actuator；The shaft shoulder 702 is nested with shaft end projection 108, and the shaft shoulder
Axle bush 6 is provided between 702 and the shaft end projection 108.
Using said structure, when assembling the mandrel component, the other end of the torque arm 2 is passed through into spline 3 and turbine 7
Axle sleeve 703 be connected；Two level limiter steel wire ring 5 is unidirectionally wrapped in the first limiting section of the side end face of mandrel main body 1
101st, on the second limiting section 102, the 3rd limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section 107,
And two level limiter steel wire ring 5 is through the steel wire trough 301 on the spline 3, then that the two level limiter fixation with steel wire ring 5 is embedding
Be enclosed on the spline 3, for two level limiter steel wire ring 5 along the spacing of the length direction of torque arm 2, then by the torque arm
2 other end is connected by spline 3 and the coupled wheel 109, now, the shaft shoulder 702 and the mandrel main body 1 of the turbine 7
Shaft end projection 108 it is nested；
When in use, after the spindle nose 704 of the mandrel component is locked out, one end of the torque arm 2 of locking stops operating, due to
The middle part of two level limiter steel wire ring 5 passes through the steel wire trough 301 of spline 3, therefore the middle part of two level limiter steel wire ring 5 also stops operating,
Safety belt in the mandrel main body 1 continues to release and be rotated further, the torque arm 2 and the one of the coupled wheel 109 cooperation
End is as the mandrel main body 1 rotates and reverses, and now the 2 middle straight bar section of torque arm twists to form two level limiter,
One end of the mandrel main body 1 passes through the first limiting section 101, the second limiting section 102, the 3rd limiting section 103, the 4th limiting section
105th, the 5th limiting section 106 and the 6th limiting section 107 are due to rotary squeezing two level limiter steel wire ring 5, with the two level limiter steel
Friction is formed between silk ring 5, deformation force, frictional force caused by two level limiter steel wire ring 5 can buffer twisting resistance, form two level limit
The function of power, ensure that mandrel component held stationary rotates in locking.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
- A kind of 1. Webbing retractor mandrel component structure, it is characterised in that：Including mandrel main body and torque arm, the torque arm Through the mandrel main body；And one end connecting mandrel main body of the torque arm, the other end of the torque arm extend to described The outside of mandrel main body is connected with turbine；Two level limiter steel wire ring, and the two level are installed on the side end face of the mandrel main body Limiter steel wire ring passes through the torque arm, can deform and produce resistance with the friction of the side end face of mandrel main body, be formed to the torsion The two level limiter of power bar.
- A kind of 2. Webbing retractor mandrel component structure according to claim 1, it is characterised in that：The two of the torque arm End integrally formed with spline, for the turbine and the mandrel main body nested encryptions.
- A kind of 3. Webbing retractor mandrel component structure according to claim 2, it is characterised in that：The mandrel main body One end is provided with coupled wheel, and it is raised that the other end of the mandrel main body is provided with shaft end, the coupled wheel, the shaft end it is raised with it is described Mandrel main body is integrally formed, and the coupled wheel is connected with spline fitted；The periphery of the spline offers some for coordinating Arc mating groove, the end face outside of the spline offered for the steel wire trough through two level limiter steel wire ring；One side end face of the mandrel main body be along the circumferential direction sequentially provided with the first limiting section, the second limiting section, the 3rd limiting section, 4th limiting section, the 5th limiting section and the 6th limiting section, first limiting section and the 4th limiting section are symmetrical, described Second limiting section and the 5th limiting section are symmetrical, and the 3rd limiting section and the 6th limiting section are symmetrical；Institute Two level limiter steel wire ring is stated successively along the 3rd limiting section lateral surface, the second limiting section medial surface, first limit Outside position portion lateral surface, the steel wire trough, the 4th limiting section lateral surface, the 5th limiting section medial surface and the 6th limiting section Side is unidirectionally wound.
- A kind of 4. Webbing retractor mandrel component structure according to claim 3, it is characterised in that：The steel wire trough quantity For even number, and steel wire trough minute surface in the end face outside of the spline is symmetrical.
- 5. according to a kind of Webbing retractor mandrel component structure of claim 3 or 4, it is characterised in that：First limit Position portion and the 4th limiting section are strip；Second limiting section and the 5th limiting section are cylinder；3rd limiting section and the 6th limiting section are arc；And the 3rd limiting section is provided with connecting pin with the 6th limiting section, for being fixedly connected with the turbine.
- A kind of 6. Webbing retractor mandrel component structure according to claim 5, it is characterised in that：The mandrel main body one Side is additionally provided with fixation with steel wire ring, the fixation with steel wire ring and the first limiting section, the second limiting section, the 3rd limiting section, the 4th limiting section, The medial surface of 5th limiting section and the 6th limiting section is bonded, and the fixation with steel wire ring is installed with the spline fitted.
- A kind of 7. Webbing retractor mandrel component structure according to claim 3, it is characterised in that：The turbine includes whirlpool Wheel body, the shaft shoulder, axle sleeve and spindle nose, the shaft shoulder are located at the side outer ring of the turbo main body, and the axle sleeve is located at the axle It is connected on the inside of shoulder and with the turbo main body, the spindle nose is located at the opposite side of the turbo main body.
- A kind of 8. Webbing retractor mandrel component structure according to claim 7, it is characterised in that：The turbo main body, The good spindle nose of the shaft shoulder, the axle sleeve is integrally formed.
- A kind of 9. Webbing retractor mandrel component structure according to claim 8, it is characterised in that：Outside the turbo main body Periphery is provided with some circumferentially equally distributed semi-circular recesses, for connecting actuator.
- A kind of 10. Webbing retractor mandrel component structure according to claim 9, it is characterised in that：The shaft shoulder and institute It is raised nested to state shaft end, and axle bush is provided between the shaft shoulder and the shaft end projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292544.XA CN107791998B (en) | 2017-12-08 | 2017-12-08 | Mandrel assembly structure of safety belt retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292544.XA CN107791998B (en) | 2017-12-08 | 2017-12-08 | Mandrel assembly structure of safety belt retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107791998A true CN107791998A (en) | 2018-03-13 |
| CN107791998B CN107791998B (en) | 2024-02-20 |
Family
ID=61538368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711292544.XA Active CN107791998B (en) | 2017-12-08 | 2017-12-08 | Mandrel assembly structure of safety belt retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791998B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278700A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | Steel ball driving pre-tightens limit type seat belt retractor |
| CN109278698A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of coiler mandrel component and seat belt retractor |
| CN109278699A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of coiler mandrel component and seat belt retractor |
| CN109291877A (en) * | 2018-12-04 | 2019-02-01 | 沈阳金杯锦恒汽车安全系统有限公司 | Novel preload limit type seat belt retractor |
| CN111674353A (en) * | 2020-06-23 | 2020-09-18 | 浙江松原汽车安全系统股份有限公司 | Force limiting type mandrel and retractor |
| CN111873938A (en) * | 2020-07-30 | 2020-11-03 | 浙江松原汽车安全系统股份有限公司 | Two-stage force-limiting mandrel and retractor |
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| CN207510369U (en) * | 2017-12-08 | 2018-06-19 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of seat belt retractor mandrel component structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278700A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | Steel ball driving pre-tightens limit type seat belt retractor |
| CN109278698A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of coiler mandrel component and seat belt retractor |
| CN109278699A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of coiler mandrel component and seat belt retractor |
| CN109291877A (en) * | 2018-12-04 | 2019-02-01 | 沈阳金杯锦恒汽车安全系统有限公司 | Novel preload limit type seat belt retractor |
| CN109278699B (en) * | 2018-12-04 | 2024-04-12 | 沈阳金杯锦恒汽车安全系统有限公司 | Coiler mandrel assembly and safety belt coiler |
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| CN109278698B (en) * | 2018-12-04 | 2024-04-19 | 沈阳金杯锦恒汽车安全系统有限公司 | Coiler mandrel assembly and safety belt coiler |
| CN109291877B (en) * | 2018-12-04 | 2024-04-26 | 沈阳金杯锦恒汽车安全系统有限公司 | Pretension force limiting type safety belt retractor |
| CN111674353A (en) * | 2020-06-23 | 2020-09-18 | 浙江松原汽车安全系统股份有限公司 | Force limiting type mandrel and retractor |
| CN111674353B (en) * | 2020-06-23 | 2024-05-03 | 浙江松原汽车安全系统股份有限公司 | Force limiting type mandrel and coiler |
| CN111873938A (en) * | 2020-07-30 | 2020-11-03 | 浙江松原汽车安全系统股份有限公司 | Two-stage force-limiting mandrel and retractor |
| CN111873938B (en) * | 2020-07-30 | 2024-05-03 | 浙江松原汽车安全系统股份有限公司 | Two-stage force limiting mandrel and retractor |
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| CN107791998B (en) | 2024-02-20 |
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