CN107791998B - Mandrel assembly structure of safety belt retractor - Google Patents
Mandrel assembly structure of safety belt retractor Download PDFInfo
- Publication number
- CN107791998B CN107791998B CN201711292544.XA CN201711292544A CN107791998B CN 107791998 B CN107791998 B CN 107791998B CN 201711292544 A CN201711292544 A CN 201711292544A CN 107791998 B CN107791998 B CN 107791998B
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- limiting part
- main body
- steel wire
- mandrel
- limiting
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 230000020347 spindle assembly Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction 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 mandrel assembly structure of a safety belt retractor, which comprises a mandrel main body and a torsion bar, wherein the torsion bar penetrates through the mandrel main body; one end of the torsion bar is connected with the mandrel main body, and the other end of the torsion bar extends to the outer side of the mandrel main body and is connected with the turbine; the secondary force limiting steel wire ring is arranged on the side end face of the mandrel main body, penetrates through the torsion bar and can deform to generate resistance with the friction of the side end face of the mandrel main body, so that the secondary force limiting of the torsion bar is formed. The invention has the beneficial effects that: the torsion bar and the secondary force limiting steel wire ring are matched with the mandrel main body, so that secondary force limiting can be formed, the mandrel assembly can be effectively ensured to stably run during locking, the torsion force borne by the torsion bar can be reduced by the secondary force limiting steel wire ring, and the service performance is improved; the structure is simple and compact, and the production and the processing are convenient.
Description
Technical Field
The invention relates to the field of design of automobile safety belt retractor components, in particular to a mandrel assembly structure of a safety belt retractor.
Background
The retractor is a retractor with an emergency locking function, the safety belt is made of synthetic fibers with extremely high strength, the retractor is provided with a self-locking function, after the safety belt is tied, the retractor is automatically tensioned, when an emergency brake, a front collision or rolling occurs to a vehicle, a passenger can rapidly and violently stretch the safety belt, and the self-locking function of the retractor can clamp the safety belt instantly, so that the passenger clings to the seat, and the vehicle is prevented from falling out of the vehicle or being injured by collision. The mandrel assembly is needed to be used for the retractor, the force limiting function is provided, one end of the retractor is stopped after the retractor is suddenly locked, torsion force can be generated at the other end of the retractor due to the fact that the torsion force can not be limited in time due to the fact that the retractor is not locked stably, and the rotating motion is unstable.
Disclosure of Invention
The invention aims to solve the problems and provide a mandrel assembly structure of a safety belt retractor, wherein a secondary force limiting steel wire ring is arranged on the side surface of a mandrel main body, and torsion force is buffered by friction between the secondary force limiting steel wire ring and the mandrel main body and deformation of the secondary force limiting steel wire ring, so that the secondary force limiting is performed, and the rotation stability after locking can be effectively improved.
The invention realizes the above purpose through the following technical scheme:
a seatbelt retractor spindle assembly structure comprising a spindle body and a torsion bar passing through the spindle body; one end of the torsion bar is connected with the mandrel main body, and the other end of the torsion bar extends to the outer side of the mandrel main body and is connected with the turbine; the secondary force limiting steel wire ring is arranged on the side end face of the mandrel main body, penetrates through the torsion bar and can deform to generate resistance with the friction of the side end face of the mandrel main body, so that the secondary force limiting of the torsion bar is formed.
Further, splines are formed at two ends of the torsion bar uniformly and integrally and are used for being connected with the turbine and the mandrel body in a nested mode.
Further, one end of the mandrel main body is provided with a linkage wheel, the other end of the mandrel main body is provided with a shaft end protrusion, the linkage wheel, the shaft end protrusion and the mandrel main body are integrally formed, and the linkage wheel is connected with a spline in a matched manner; the circumference of the spline is provided with a plurality of arc-shaped matching grooves for matching, and the outer side end surface of the spline is provided with a steel wire groove for passing through the secondary force limiting steel wire ring;
the end face of one side of the mandrel main body is sequentially provided with a first limiting part, a second limiting part, a third limiting part, a fourth limiting part, a fifth limiting part and a sixth limiting part along the circumferential direction, wherein the first limiting part and the fourth limiting part are symmetrically distributed, the second limiting part and the fifth limiting part are symmetrically distributed, and the third limiting part and the sixth limiting part are symmetrically distributed; the second-stage force limiting steel wire ring is wound unidirectionally along the outer side face of the third limiting part, the inner side face of the second limiting part, the outer side face of the first limiting part, the steel wire groove, the outer side face of the fourth limiting part, the inner side face of the fifth limiting part and the outer side face of the sixth limiting part in sequence.
Further, the number of the steel wire grooves is even, and the steel wire grooves are distributed on the outer side end face of the spline in a mirror symmetry mode.
Further, the first limiting part and the fourth limiting part are both bar-shaped;
the second limiting part and the fifth limiting part are cylindrical;
the third limiting part and the sixth limiting part are arc-shaped;
and the third limiting part and the sixth limiting part are provided with connecting pins for fixedly connecting with the turbine.
Further, a steel wire fixing ring is further arranged on one side of the mandrel main body, the steel wire fixing ring is attached to the inner side faces of the first limiting portion, the second limiting portion, the third limiting portion, the fourth limiting portion, the fifth limiting portion and the sixth limiting portion, and the steel wire fixing ring is mounted in a matched mode with the spline.
Further, the turbine comprises a turbine main body, a shaft shoulder, a shaft sleeve and a shaft head, wherein the shaft shoulder is arranged on the outer ring of one side of the turbine main body, the shaft sleeve is arranged on the inner side of the shaft shoulder and connected with the turbine main body, and the shaft head is arranged on the other side of the turbine main body.
Further, the turbine main body, the shaft shoulder and the shaft sleeve are integrally formed with the shaft head.
Further, the outer circumferential surface of the turbine main body is provided with a plurality of semicircular grooves which are uniformly distributed along the circumference and are used for connecting a driving piece.
Further, the shaft shoulder is nested with the shaft end protrusion, and a bushing is arranged between the shaft shoulder and the shaft end protrusion.
By adopting the structure, when the mandrel assembly is assembled, the other end of the torsion bar is connected with the shaft sleeve of the turbine in a matched manner through a spline; the method comprises the steps that a secondary force limiting steel wire ring is unidirectionally wound on a first limiting part, a second limiting part, a third limiting part, a fourth limiting part, a fifth limiting part and a sixth limiting part on the side end face of a mandrel main body, passes through a steel wire groove on a spline, is nested on the spline and used for limiting the secondary force limiting steel wire ring along the length direction of a torsion bar, and then the other end of the torsion bar is connected with a coupling wheel in a matched manner through the spline;
when the locking device is used, after the shaft head of the mandrel assembly is locked, one end of the torsion bar is locked to stop rotating, the middle part of the secondary force limiting steel wire ring passes through the steel wire groove of the spline, so that the middle part of the secondary force limiting steel wire ring also stops rotating, a safety belt on the mandrel main body continues to be released to continue rotating, one end of the torsion bar matched with the linkage wheel rotates along with the mandrel main body, at the moment, the middle straight bar section of the torsion bar is twisted to form secondary force limiting, one end of the mandrel main body rotates through the first limiting part, the second limiting part, the third limiting part, the fourth limiting part, the fifth limiting part and the sixth limiting part, friction is formed between the second force limiting steel wire ring, the deformation force and the friction force generated by the secondary force limiting steel wire ring can buffer the torsion force, the function of the secondary force limiting is formed, and the mandrel assembly is ensured to keep rotating stably during locking.
In summary, the invention has the following beneficial effects: the torsion bar and the secondary force limiting steel wire ring are matched with the mandrel main body, so that secondary force limiting can be formed, the mandrel assembly can be effectively ensured to stably run during locking, the torsion force borne by the torsion bar can be reduced by the secondary force limiting steel wire ring, and the service performance is improved; the structure is simple and compact, and the production and the processing are convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an assembly view of the present invention;
FIG. 3 is a diagram of the assembly of the secondary force limiting wire ring and the main body of the mandrel of the present invention;
FIG. 4 is a block diagram of the assembly of the secondary force limiting wire ring, torsion bar and turbine of the present invention;
FIG. 5 is a block diagram of the assembly of the secondary force limiting wire ring, torsion bar, wire retaining ring and turbine of the present invention;
FIG. 6 is a diagram of a two-stage force limiting wire ring and spline fit of the present invention;
FIG. 7 is a perspective view of a turbine in accordance with the present invention;
fig. 8 is a perspective view of another direction of the turbine of the present invention.
The reference numerals are explained as follows:
1. a mandrel body; 101. a first limit part; 102. a second limit part; 103. a third limit part; 104. a connecting pin; 105. a fourth limit part; 106. a fifth limit part; 107. a sixth limit part; 108. a shaft end bulge; 109. a linkage wheel; 2. a torsion bar; 3. a spline; 301. a wire groove; 302. a mating groove; 4. a steel wire fixing ring; 5. a second-stage force limiting steel wire ring; 6. a bushing; 7. a turbine; 701. a turbine body; 702. a shaft shoulder; 703. a shaft sleeve; 704. and a shaft head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1 to 8, the present invention provides a seatbelt retractor spindle assembly structure including a spindle body 1 and a torsion bar 2, the torsion bar 2 passing through the spindle body 1; one end of the torsion bar 2 is connected with the mandrel main body 1, and the other end of the torsion bar 2 extends to the outer side of the mandrel main body 1 and is connected with the turbine 7; the secondary force limiting steel wire ring 5 is arranged on the side end face of the mandrel main body 1, and the secondary force limiting steel wire ring 5 penetrates through the torsion bar 2 and can deform to generate resistance with the friction of the side end face of the mandrel main body 1, so that the secondary force limiting on the torsion bar 2 is formed.
In order to improve the connection strength of the torsion bar 2 with the mandrel main body 1 and the turbine 7, further, the two ends of the torsion bar 2 are uniformly and integrally formed with the spline 3 for nesting connection with the turbine 7 and the mandrel main body 1.
In order to further form secondary force limiting, one end of the mandrel main body 1 is provided with a linkage wheel 109, the other end of the mandrel main body 1 is provided with a shaft end protrusion 108, the shaft end protrusion 108 can be tightly matched with a shaft shoulder 702 of the turbine 7, the linkage wheel 109 and the shaft end protrusion 108 are integrally formed with the mandrel main body 1, the processing is convenient, and the linkage wheel 109 is matched and connected with the spline 3; a plurality of arc-shaped matching grooves 302 for matching are formed in the circumferential surface of the spline 3, and a steel wire groove 301 for penetrating through the secondary force limiting steel wire ring 5 is formed in the outer side end surface of the spline 3; the secondary force limiting steel wire ring 5 can pass through the steel wire groove 301, the steel wire groove 301 has the function of limiting the secondary force limiting steel wire ring 5, and simultaneously the middle part of the secondary force limiting steel wire ring 5 can stop rotating during locking;
a first limiting part 101, a second limiting part 102, a third limiting part 103, a fourth limiting part 105, a fifth limiting part 106 and a sixth limiting part 107 are sequentially arranged on one side end surface of the mandrel main body 1 along the circumferential direction, the first limiting part 101 and the fourth limiting part 105 are symmetrically distributed, the second limiting part 102 and the fifth limiting part 106 are symmetrically distributed, and the third limiting part 103 and the sixth limiting part 107 are symmetrically distributed; the second-stage force limiting steel wire ring 5 is wound unidirectionally along the outer side surface of the third limit part 103, the inner side surface of the second limit part 102, the outer side surface of the first limit part 101, the steel wire groove 301, the outer side surface of the fourth limit part 105, the inner side surface of the fifth limit part 106 and the outer side surface of the sixth limit part 107 in sequence, and the side surfaces of the first limit part 101, the second limit part 102, the third limit part 103, the fourth limit part 105, the fifth limit part 106 and the sixth limit part 107 can rub with the second-stage force limiting steel wire ring 5 to form a second-stage force limiting; the number of the steel wire grooves 301 is even, the steel wire grooves 301 are distributed on the outer side end face of the spline 3 in a mirror symmetry mode, and the structure is convenient for the middle part of the secondary force limiting steel wire to pass through and is beneficial to limiting.
In order to increase the contact area between the limiting part and the second-stage force-limiting steel wire ring 5 and increase the friction force, further, the first limiting part 101 and the fourth limiting part 105 are both bar-shaped;
the second limiting portion 102 and the fifth limiting portion 106 are both cylindrical;
the third limiting part 103 and the sixth limiting part 107 are both arc-shaped;
the third limiting part 103 and the sixth limiting part 107 are provided with a connecting pin 104 for fixedly connecting with the turbine 7; the mandrel is characterized in that a steel wire fixing ring 4 is further arranged on one side of the mandrel main body 1, the steel wire fixing ring 4 is attached to the inner side surfaces of the first limiting part 101, the second limiting part 102, the third limiting part 103, the fourth limiting part 105, the fifth limiting part 106 and the sixth limiting part 107, and the steel wire fixing ring 4 is matched with the spline 3.
To improve the performance of the turbine 7, further, the turbine 7 includes a turbine body 701, a shaft shoulder 702, a shaft sleeve 703 and a shaft head 704, the shaft shoulder 702 is arranged on one outer ring of the turbine body 701, the shaft shoulder 702 can be nested with the shaft end protrusion 108 of the mandrel body 1, the shaft sleeve 703 is arranged on the inner side of the shaft shoulder 702 and connected with the turbine body 701, the shaft sleeve 703 can be matched with the spline 3, and the shaft head 704 is arranged on the other side of the turbine body 701; the turbine main body 701, the shaft shoulder 702 and the shaft sleeve 703 are integrally formed with the shaft head 704; the outer circumference of the turbine main body 701 is provided with a plurality of semicircular grooves uniformly distributed along the circumference for connecting a driving piece; the shaft shoulder 702 is nested with the shaft end protrusion 108, and a bushing 6 is arranged between the shaft shoulder 702 and the shaft end protrusion 108.
With the above structure, when the mandrel assembly is assembled, the other end of the torsion bar 2 is connected with the shaft sleeve 703 of the turbine 7 in a matching way through the spline 3; the method comprises the steps that a secondary force limiting steel wire ring 5 is unidirectionally wound on a first limiting part 101, a second limiting part 102, a third limiting part 103, a fourth limiting part 105, a fifth limiting part 106 and a sixth limiting part 107 on the side end face of a mandrel main body 1, the secondary force limiting steel wire ring 5 penetrates through a steel wire groove 301 on a spline 3, then the secondary force limiting steel wire fixing ring 5 is nested on the spline 3 and used for limiting the secondary force limiting steel wire ring 5 along the length direction of a torsion bar 2, then the other end of the torsion bar 2 is connected with a linkage wheel 109 in a matched mode through the spline 3, and at the moment, a shaft shoulder 702 of a turbine 7 is nested with a shaft end protrusion 108 of the mandrel main body 1;
when the locking device is used, after the shaft head 704 of the mandrel assembly is locked, one end of the torsion bar 2 is locked to stop rotating, because the middle part of the secondary force limiting steel wire ring 5 passes through the steel wire groove 301 of the spline 3, the middle part of the secondary force limiting steel wire ring 5 also stops rotating, the safety belt on the mandrel main body 1 continues to be released to continue rotating, one end of the torsion bar 2 matched with the linkage wheel 109 twists along with the rotation of the mandrel main body 1, at the moment, the straight bar section in the middle of the torsion bar 2 twists to form secondary force limiting, and one end of the mandrel main body 1 forms friction with the secondary force limiting steel wire ring 5 through the first limiting part 101, the second limiting part 102, the third limiting part 103, the fourth limiting part 105, the fifth limiting part 106 and the sixth limiting part 107 due to the rotation extrusion of the secondary force limiting steel wire ring 5, the deformation force and the friction force generated by the secondary force limiting steel wire ring 5 can buffer the twisting force, so that the mandrel assembly keeps rotating stably during locking.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A seatbelt retractor mandrel assembly structure, characterized in that: comprises a mandrel body and a torsion bar, wherein the torsion bar passes through the mandrel body; one end of the torsion bar is connected with the mandrel main body, and the other end of the torsion bar extends to the outer side of the mandrel main body and is connected with the turbine; the secondary force limiting steel wire ring penetrates through the torsion bar and can deform to generate resistance with the friction of the side end face of the mandrel main body, so that secondary force limiting on the torsion bar is formed;
the two ends of the torsion bar are uniformly and integrally formed with splines and are used for being connected with the turbine and the mandrel main body in a nested manner;
a coupling wheel is arranged at one end of the mandrel main body, a shaft end protrusion is arranged at the other end of the mandrel main body, the coupling wheel, the shaft end protrusion and the mandrel main body are integrally formed, and the coupling wheel is connected with a spline in a matched manner; the circumference of the spline is provided with a plurality of arc-shaped matching grooves for matching, and the outer side end surface of the spline is provided with a steel wire groove for passing through the secondary force limiting steel wire ring;
the end face of one side of the mandrel main body is sequentially provided with a first limiting part, a second limiting part, a third limiting part, a fourth limiting part, a fifth limiting part and a sixth limiting part along the circumferential direction, wherein the first limiting part and the fourth limiting part are symmetrically distributed, the second limiting part and the fifth limiting part are symmetrically distributed, and the third limiting part and the sixth limiting part are symmetrically distributed; the second-stage force limiting steel wire ring is wound unidirectionally along the outer side face of the third limiting part, the inner side face of the second limiting part, the outer side face of the first limiting part, the steel wire groove, the outer side face of the fourth limiting part, the inner side face of the fifth limiting part and the outer side face of the sixth limiting part in sequence.
2. The seatbelt retractor spindle assembly structure according to claim 1, wherein: the number of the steel wire grooves is even, and the steel wire grooves are distributed on the outer side end face of the spline in a mirror symmetry mode.
3. A seatbelt retractor spindle assembly structure according to claim 1 or 2, wherein: the first limiting part and the fourth limiting part are both in a strip shape;
the second limiting part and the fifth limiting part are cylindrical;
the third limiting part and the sixth limiting part are arc-shaped;
and the third limiting part and the sixth limiting part are provided with connecting pins for fixedly connecting with the turbine.
4. A seatbelt retractor spindle assembly structure according to claim 3, wherein: the mandrel is characterized in that one side of the mandrel body is also provided with a steel wire fixing ring, the steel wire fixing ring is attached to the inner side surfaces of the first limiting part, the second limiting part, the third limiting part, the fourth limiting part, the fifth limiting part and the sixth limiting part, and the steel wire fixing ring is mounted in a matched mode with the spline.
5. The seatbelt retractor spindle assembly structure according to claim 1, wherein: the turbine comprises a turbine main body, a shaft shoulder, a shaft sleeve and a shaft head, wherein the shaft shoulder is arranged on an outer ring of one side of the turbine main body, the shaft sleeve is arranged on the inner side of the shaft shoulder and connected with the turbine main body, and the shaft head is arranged on the other side of the turbine main body.
6. The seatbelt retractor spindle assembly structure according to claim 5, wherein: the turbine main body, the shaft shoulder and the shaft sleeve are integrally formed.
7. The seatbelt retractor spindle assembly structure according to claim 6, wherein: the outer circumferential surface of the turbine main body is provided with a plurality of semicircular grooves which are uniformly distributed along the circumference and are used for connecting a driving piece.
8. The seatbelt retractor spindle assembly structure according to claim 7, wherein: the shaft shoulder is nested with the shaft end protrusion, and a bushing is arranged between the shaft shoulder and the shaft end protrusion.
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 CN107791998A (en) | 2018-03-13 |
| CN107791998B true CN107791998B (en) | 2024-02-20 |
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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 |
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| Country | Link |
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| CN (1) | CN107791998B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN109278700B (en) * | 2018-12-04 | 2024-04-16 | 沈阳金杯锦恒汽车安全系统有限公司 | Steel ball driving pre-tightening force limiting type safety belt retractor |
| 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 |
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323205A (en) * | 1979-07-19 | 1982-04-06 | Nippon Soken, Inc. | Safety seat-belt retractor |
| JP2003341474A (en) * | 2002-05-29 | 2003-12-03 | Ashimori Ind Co Ltd | Retractor for seat belt |
| CN107187414A (en) * | 2017-05-25 | 2017-09-22 | 奇瑞汽车股份有限公司 | The Webbing retractor of variable limiter and variable limiter implementation method |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4166095B2 (en) * | 2003-01-31 | 2008-10-15 | 芦森工業株式会社 | Seat belt retractor |
| EP2889191B1 (en) * | 2012-08-27 | 2019-10-02 | Helia Technology Limited | Retractor for safety belt, torsion bar, spool, end cap and safety belt assembly |
-
2017
- 2017-12-08 CN CN201711292544.XA patent/CN107791998B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323205A (en) * | 1979-07-19 | 1982-04-06 | Nippon Soken, Inc. | Safety seat-belt retractor |
| JP2003341474A (en) * | 2002-05-29 | 2003-12-03 | Ashimori Ind Co Ltd | Retractor for seat belt |
| CN107187414A (en) * | 2017-05-25 | 2017-09-22 | 奇瑞汽车股份有限公司 | The Webbing retractor of variable limiter and variable limiter implementation method |
| 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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| Publication number | Publication date |
|---|---|
| CN107791998A (en) | 2018-03-13 |
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