CN207510369U - A kind of seat belt retractor mandrel component structure - Google Patents
A kind of seat belt retractor mandrel component structure Download PDFInfo
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- CN207510369U CN207510369U CN201721697152.7U CN201721697152U CN207510369U CN 207510369 U CN207510369 U CN 207510369U CN 201721697152 U CN201721697152 U CN 201721697152U CN 207510369 U CN207510369 U CN 207510369U
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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
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- Automotive Seat Belt Assembly (AREA)
Abstract
The utility model discloses a kind of seat belt retractor mandrel component structures, and 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 connect with turbine；Two level limiter steel wire ring is installed, and the two level limiter steel wire ring passes through the torque arm on the side end face of the mandrel main body, can deform and generate resistance with the friction of the side end face of mandrel main body, form the two level limiter to the torque arm.The beneficial effects of the utility model are：Using torque arm and two level limiter steel wire ring and the structure of mandrel main body cooperation, two level limiter can be formed, effective to ensure mandrel component smooth running in locking, 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, and production and processing is convenient.
Description
Technical field
The utility model is related to automobile safety belt retractor part design fields, and in particular to a kind of seat belt retractor core
Shaft assembly structure.
Background technology
Coiler refers to the coiler of lock in emergency function, and safety belt is made 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 emergency braking, 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, and occupant is made to be close to seat, avoids falling out outside vehicle or collision is injured.Wherein coiler needs to use mandrel group
Part provides limiter function, and since coiler is by after unexpected locking, one end of coiler stops, the other end due to safety belt after
Continuous releasing will generate twisting resistance, if the twisting resistance cannot be limited in time, coiler will locking it is unstable, cause rotary motion
It is unstable.
Invention content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of seat belt retractor mandrel component
Two level limiter steel wire ring is mounted on the side of mandrel main body, using between two level limiter steel wire ring and mandrel main body by structure
Friction and the deformation of two level limiter steel wire ring buffer twisting resistance, carry out two level limiter, can effectively improve the rotation after locking
Turn stability.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of seat belt retractor mandrel component structure, including mandrel main body and torque arm, the torque arm passes through described
Mandrel main body；And one end connecting mandrel main body of the torque arm, the other end of the torque arm extend to the mandrel main body
Outside connect with turbine；Two level limiter steel wire ring, and the two level limiter steel wire are installed on the side end face of the mandrel main body
Ring passes through the torque arm, can deform and generate resistance with the friction of the side end face of mandrel main body, form two to the torque arm
Grade limiter.
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 equipped with coupled wheel, and the other end of the mandrel main body is convex equipped with shaft end
It rises, the coupled wheel, the shaft end protrusion and the mandrel main body are integrally formed, and the coupled wheel is connect with spline fitted；Institute
The periphery for stating spline offers several arc mating grooves for cooperation, the end face outside of the spline offer for across
The steel wire trough of two level limiter steel wire ring；
One side end face of the mandrel main body is along the circumferential direction equipped with the first limiting section, the second limiting section, third limit successively
Position portion, the 4th limiting section, the 5th limiting section and the 6th limiting section, first limiting section symmetrically divide with the 4th limiting section
Cloth, second limiting section and the 5th limiting section are symmetrical, and the third limiting section and the 6th limiting section are symmetrical
Distribution；The two level limiter steel wire ring is successively along the third limiting section lateral surface, the second limiting section medial surface, described
First limiting section lateral surface, the steel wire trough, the 4th limiting section lateral surface, the 5th limiting section medial surface and the 6th limit
Position portion lateral surface 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；
The third limiting section and the 6th limiting section are arc；
And the third limiting section is equipped 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, third 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 connect 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 equipped with several circumferentially equally distributed semi-circular recesses, is used for
Connect actuator.
Further, the shaft shoulder is nested with shaft end protrusion, and is equipped between the shaft shoulder and the shaft end protrusion
Bushing.
Using the above 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, third 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
Then the other end of the torque arm is connected by the limiting of torque arm length direction by spline and the coupled wheel, this
When, the shaft shoulder of the turbine is nested with the shaft end of mandrel main body protrusion；
When in use, after the spindle nose of the mandrel component is locked up, described torque arm one end of locking stops operating, due to
The steel wire trough of spline is passed through in the middle part of two level limiter steel wire ring, therefore the middle part of two level limiter steel wire ring also stops operating, the core
Safety belt in shaft body continues to release and be rotated further, and one end that the torque arm coordinates with the coupled wheel is with the core
Shaft body is rotated and is reversed, and straight bar section twists to form two level limiter among the torque arm at this time, the mandrel main body
One end by the first limiting section, the second limiting section, third limiting section, the 4th limiting section, the 5th limiting section and the 6th limiting section by
In rotary squeezing two level limiter steel wire ring, friction is formed between the two level limiter steel wire ring, two level limiter steel wire ring generates
Deformation force, frictional force can buffer twisting resistance, form the function of two level limiter, ensure the mandrel component held stationary in locking
Rotation.
To sum up, the beneficial effects of the utility model are：Matched using torque arm and two level limiter steel wire ring with mandrel main body
The structure of conjunction can form two level limiter, effective to ensure mandrel component smooth running in locking, 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, and production and processing is convenient.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the explosive view of the utility model；
Fig. 2 is the installation diagram of the utility model；
Fig. 3 is the utility model two level limiter steel wire ring and mandrel main body assembling assumption diagram；
Fig. 4 is the utility model two level limiter steel wire ring, torque arm and turbine assembly structure figure；
Fig. 5 is the utility model two level limiter steel wire ring, torque arm, fixation with steel wire ring and turbine assembly structure figure；
Fig. 6 is the utility model two level limiter steel wire ring and spline fitted structure chart；
Fig. 7 is the turbine three-dimensional structure diagram of the utility model；
Fig. 8 is the turbine other direction three-dimensional structure diagram of the utility model.
The reference numerals are as follows：
1st, mandrel main body；101st, the first limiting section；102nd, the second limiting section；103rd, third limiting section；104th, connecting pin；
105th, the 4th limiting section；106th, the 5th limiting section；107th, the 6th limiting section；108th, shaft end protrusion；109th, coupled wheel；2nd, torsion
Bar；3rd, spline；301st, steel wire trough；302nd, mating groove；4th, fixation with steel wire ring；5th, two level limiter steel wire ring；6th, bushing；7th, turbine；
701st, turbo main body；702nd, the shaft shoulder；703rd, axle sleeve；704th, spindle nose.
Specific embodiment
It, below will be to the technology of the utility model to make the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Obtained all other embodiment is put, belongs to the range that the utility model is protected.
Referring to shown in Fig. 1-Fig. 8, the utility model provides a kind of seat belt 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,
The outside that the other end of the torque arm 2 extends to the mandrel main body 1 is connect with turbine 7；The side end face of the mandrel main body 1
On two level limiter steel wire ring 5 is installed, 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 generates 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 1 nested encryptions of mandrel main body.
To be further formed two level limiter, one end of the mandrel main body 1 is equipped with coupled wheel 109, the mandrel main body 1
The other end is equipped with shaft end protrusion 108, and the shaft end protrusion 108 can be fitted close with the shaft shoulder 702 of turbine 7, the coupled wheel
109th, the shaft end protrusion 108 is integrally formed with the mandrel main body 1, can facilitate processing, and the coupled wheel 109 and spline 3
It is connected；The periphery of the spline 3 offers several arc mating grooves 302 for cooperation, the outboard end of the spline 3
Face offers the steel wire trough 301 for passing through two level limiter steel wire ring 5；The two level limiter steel wire ring 5 can be to pass through the steel
Silk slot 301, steel wire trough 301 have the function of to limit 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 along the circumferential direction successively be equipped with the first limiting section 101, the second limiting section 102,
Third limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section 107, first limiting section 101 with
4th limiting section 105 is symmetrical, and second limiting section 102 and the 5th limiting section 106 are symmetrical, and described
Three limiting sections 103 and the 6th limiting section 107 are symmetrical；The two level limiter steel wire ring 5 limits successively along the third
103 lateral surface of position portion, 102 medial surface of the second limiting section, 101 lateral surface of the first limiting section, the steel wire trough 301,
4th limiting section, 105 lateral surface, 106 medial surface of the 5th limiting section and 107 lateral surface of the 6th limiting section are unidirectionally wound,
First limiting section 101, the second limiting section 102, third limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limit
The side in position portion 107 can rub with two level limiter steel wire ring 5 and form two level limiter；301 quantity of steel wire trough is even number, and
The steel wire trough 301 minute surface in the end face outside of the spline 3 is symmetrical, this structure is worn convenient for two level limiter steel wire middle part
It crosses, and is conducive to limit.
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；
The third limiting section 103 and the 6th limiting section 107 are arc；
And the third limiting section 103 and the 6th limiting section 107 are equipped with connecting pin 104, for the turbine 7
It is fixedly connected；1 side of mandrel main body is additionally provided with fixation with steel wire ring 4,4 and first limiting section 101, second of fixation with steel wire ring
Limiting section 102, third limiting section 103, the 4th limiting section 105, the 5th limiting section 106 and the 6th limiting section 107 inside face paste
It closes, and the fixation with steel wire ring 4 is installed with the spline 3 cooperation.
To improve the performance of turbine 7, further, the turbine 7 includes turbo main body 701, the shaft shoulder 702,703 and of axle sleeve
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
Protrusion 108 is nested, and the axle sleeve 703 is located at 702 inside of the shaft shoulder and is connect with the turbo main body 701, which 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；701 outer circumference surface of turbo main body is equipped with several circumferentially equal
The semi-circular recesses of even distribution, for connecting actuator；The shaft shoulder 702 is nested with shaft end protrusion 108, and the shaft shoulder
Bushing 6 is equipped between 702 and the shaft end protrusion 108.
Using the above 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 1 side end face of mandrel main body
101st, on the second limiting section 102, third 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 passes through the steel wire trough 301 on the spline 3, then that the two level limiter fixation with steel wire ring 5 is embedding
It is sleeved on the spline 3, for limiting of the two level limiter steel wire ring 5 along 2 length direction of torque arm, then by the torque arm
2 other end is connected by spline 3 and the coupled wheel 109, at this point, the shaft shoulder 702 of the turbine 7 and mandrel main body 1
Shaft end protrusion 108 it is nested；
When in use, after the spindle nose 704 of the mandrel component is locked up, 2 one end of the torque arm of locking stops operating,
Since 5 middle part of two level limiter steel wire ring passes through the steel wire trough 301 of spline 3, the middle part of two level limiter steel wire ring 5 also stops turning
Dynamic, the safety belt in the mandrel main body 1 continues to release and be rotated further, the torque arm 2 and the coupled wheel 109 cooperation
One end is as the mandrel main body 1 rotates and reverses, and the 2 intermediate straight bar section of torque arm twists to form two level limit at this time
Power, one end of the mandrel main body 1 are limited by the first limiting section 101, the second limiting section 102, third limiting section the 103, the 4th
Portion 105, 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
Friction is formed between steel wire ring 5, the deformation force of the generation of two level limiter steel wire ring 5, frictional force can buffer twisting resistance, form two level
The function of limiter ensures that mandrel component held stationary rotates in locking.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain of profit requirement.
Claims (10)
1. a kind of seat belt retractor mandrel component structure, it is characterised in that：Including mandrel main body and torque arm, the torque arm
Across 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 connect 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 generate 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.
2. a kind of seat belt 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.
3. a kind of seat belt retractor mandrel component structure according to claim 2, it is characterised in that：The mandrel main body
One end is equipped with coupled wheel, and the other end of the mandrel main body is equipped with shaft end protrusion, the coupled wheel, the shaft end protrusion with it is described
Mandrel main body is integrally formed, and the coupled wheel is connect with spline fitted；The periphery of the spline offers several for coordinating
Arc mating groove, the end face outside of the spline offers the steel wire trough for passing through two level limiter steel wire ring；
One side end face of the mandrel main body along the circumferential direction successively be equipped with the first limiting section, the second limiting section, third 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 third limiting section and the 6th limiting section are symmetrical；Institute
Two level limiter steel wire ring is stated successively along the third 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.
4. a kind of seat belt 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 seat belt 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；
The third limiting section and the 6th limiting section are arc；
And the third limiting section is equipped with connecting pin with the 6th limiting section, for being fixedly connected with the turbine.
6. a kind of seat belt 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, third 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.
7. a kind of seat belt 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 axis
It is connect 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.
8. a kind of seat belt 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.
9. a kind of seat belt retractor mandrel component structure according to claim 8, it is characterised in that：Outside the turbo main body
Periphery is equipped with several circumferentially equally distributed semi-circular recesses, for connecting actuator.
10. a kind of seat belt retractor mandrel component structure according to claim 9, it is characterised in that：The shaft shoulder and institute
It is nested to state shaft end protrusion, and bushing is equipped between the shaft shoulder and the shaft end protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697152.7U CN207510369U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor mandrel component structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697152.7U CN207510369U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor mandrel component structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207510369U true CN207510369U (en) | 2018-06-19 |
Family
ID=62543411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697152.7U Withdrawn - After Issue CN207510369U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor mandrel component structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207510369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791998A (en) * | 2017-12-08 | 2018-03-13 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of Webbing retractor mandrel component structure |
| CN114458734A (en) * | 2021-12-27 | 2022-05-10 | 安徽三山机械制造有限公司 | Mining machinery is with lifting shaft of convenient dismantlement |
-
2017
- 2017-12-08 CN CN201721697152.7U patent/CN207510369U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791998A (en) * | 2017-12-08 | 2018-03-13 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of Webbing retractor mandrel component structure |
| CN107791998B (en) * | 2017-12-08 | 2024-02-20 | 沈阳金杯锦恒汽车安全系统有限公司 | Mandrel assembly structure of safety belt retractor |
| CN114458734A (en) * | 2021-12-27 | 2022-05-10 | 安徽三山机械制造有限公司 | Mining machinery is with lifting shaft of convenient dismantlement |
| CN114458734B (en) * | 2021-12-27 | 2024-03-22 | 安徽三山机械制造有限公司 | Lifting shaft convenient to detach for mining machinery |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |