CN207594902U - A kind of seat belt retractor pre-tightening mechanism - Google Patents
A kind of seat belt retractor pre-tightening mechanism Download PDFInfo
- Publication number
- CN207594902U CN207594902U CN201721697017.2U CN201721697017U CN207594902U CN 207594902 U CN207594902 U CN 207594902U CN 201721697017 U CN201721697017 U CN 201721697017U CN 207594902 U CN207594902 U CN 207594902U
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- China
- Prior art keywords
- turbine
- guide pipe
- cover
- seat belt
- glue stick
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Abstract
The utility model discloses a kind of seat belt retractor pre-tightening mechanisms, and including special-shaped guide pipe, glue stick, cover and turbine, the abnormity guide pipe is extended on the inside of the cover and is fixedly mounted, and the turbine coordinates with mandrel and the turbine is located on the inside of the cover；The glue stick is extend into along the special-shaped guide pipe between the cover and the turbine, and the glue stick drives the turbine and the mandrel to pre-tighten safety belt.Advantageous effect is：Using glue stick and the structure of special-shaped guide pipe, using the crimp of glue stick, when emergency occurs, glue stick quickly can drive turbine along special-shaped guide pipe and cover, make mandrel revolution that safety belt to be pulled back preload, simple and compact for structure, and preload efficiency is effectively raised, it is easy to use.
Description
Technical field
The utility model is related to coiler pre-tightening mechanism design fields, and in particular to a kind of seat belt retractor pretightening machine
Structure.
Background technology
Coiler is the core component of car belt, and an emergency situation is encountered in running car in an instant, for people
The space of mobile cushioning is fairly small, at this time needs to consider first firmly to fix on the seat people, then passes through force limiting device
Him is made to injure minimum.Pre-tightening apparatus puts quick-fried gas generator by crash sensor in several milliseconds, and withdrawing device is pushed to return
Ribbon is drawn, people's binding on the seat.Coiler currently on the market is generally pulled back mandrel using preload motor reversal, will be pacified
Full band pre-tightens, and reaction speed is slow, and volume is big, complicated, and manufacture is of high cost.
Invention content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of seat belt retractor pre-tightening mechanism,
Be oriented to using glue stick and the structure of turbine cooperation, and using special-shaped guide pipe and cover, when emergency occurs, glue stick along
Special-shaped guide pipe is quickly stretched on the inside of the cover, by the crimp to cover and turbine, can drive turbine with core
Axis turns round, and safety belt is pre-tightened, simple and compact for structure, and preload is efficient, and manufacture is at low cost.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of seat belt retractor pre-tightening mechanism, including special-shaped guide pipe, glue stick, cover and turbine, the abnormity is oriented to
Pipe is extended on the inside of the cover and is fixedly mounted, and the turbine coordinates with mandrel and the turbine is located on the inside of the cover；Institute
It states glue stick to extend between the cover and the turbine along the special-shaped guide pipe, the glue stick drives the turbine and institute
Mandrel is stated to pre-tighten safety belt.
Further, the cover includes arc frame and linear column, and the arc frame is integrally machined with the linear column
Molding；
Arc notch and fixed groove are offered between the arc frame and the linear column.
Further, the special-shaped guide pipe includes straight line portion and bending section, and the straight line portion and the bending section are different
Face is molded；The bending section is located at the top of the mandrel, and the straight line portion is set on the inside of the linear column；
The abnormity guide pipe passes through the arc notch, and the port of the straight line portion is equipped with anti-rotational structure, is used for
With the fixed groove secure fit.
Further, the anti-rotational structure is tangent plane, and the tangent plane and the plane of the fixed groove bottom coordinate；
And the tangent plane is equipped with the through-hole through special-shaped guide pipe, screw passes through the through-hole by the special-shaped guide pipe and the lid
Body is fixed.
Further, the straight line portion offers guide groove, and guide frame is equipped in the guide groove, can change glue stick
The direction of motion simultaneously makes it along the arc frame medial motion.
Further, the guide frame is tilted block, which connect with the inner wall smooth of the special-shaped guide pipe.
Further, anti-retrogression structure is equipped on the inside of the arc frame, the glue stick can be clamped.
Further, the anti-retrogression structure is wedge block, which is equipped with several, and several described wedge blocks
It is uniformly distributed along the arc frame inner wall.
Further, the turbine is equipped with several hemispherical grooves, and several hemispherical grooves are evenly distributed on
The turbine surfaces.
Further, the hemispherical groove side is equipped with ratchet.
Using the above structure, automobile in case of emergency, have an effect by gas-forming agent, pushes the glue stick along institute
Special-shaped guide pipe is stated into the cover, glue stick is crimped along the inside of the cover, and in the turbine and the cover
The lower crimp of effect, drives the turbine band moving mandrel to turn round, safety belt is quickly retracted to preload, simple in structure, pre-tightens effect
Rate is high.
To sum up, the beneficial effects of the utility model are：Using glue stick and the structure of special-shaped guide pipe, squeezing for glue stick is utilized
Compressive strain, when emergency occurs, glue stick quickly can drive turbine along special-shaped guide pipe and cover, make mandrel revolution will safety
Band is pulled back preload, simple and compact for structure, and effectively raises preload efficiency, easy to use.
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 three-dimensional structure diagram of the utility model；
Fig. 2 is the cooperation of the utility model abnormity guide pipe and cover and glue stick original state structure chart；
Fig. 3 is the cooperation of the utility model abnormity guide pipe and cover and glue stick Pre strained state structure chart；
Fig. 4 is that the utility model applies one glue stick of example and turbine reality matching chart；
Fig. 5 is the utility model abnormity guide pipe structure chart；
Fig. 6 is that the utility model applies two glue stick of example and turbine reality matching chart.
The reference numerals are as follows：
1st, special-shaped guide pipe；101st, guide frame；102nd, guide groove；103rd, anti-rotational structure；2nd, glue stick；3rd, turbine；4、
Mandrel；5th, cover；501st, arc frame；502nd, linear column；6th, anti-retrogression structure；7th, fixed groove；8th, arc notch.
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.
Embodiment one：
Referring to shown in Fig. 1-Fig. 5, the utility model provides a kind of seat belt retractor pre-tightening mechanism, is oriented to including abnormity
Pipe 1, glue stick 2, cover 5 and turbine 3, the abnormity guide pipe 1 extend to 5 inside of cover and are fixedly mounted, the abnormity
Convenient for improving the compactedness of pre-tightening mechanism, saving space can need to set guide pipe 1 according to space, easy to use；The whirlpool
Wheel 3 coordinates with mandrel 4 and the turbine 3 is located at 5 inside of cover, and the mandrel 4 is rotated synchronously with turbine 3；2 edge of glue stick
It the special-shaped guide pipe 1 to extend between the cover 5 and the turbine 3, the glue stick 2 drives the turbine 3 and described
Mandrel 4 pre-tightens safety belt, and the glue stick 2 is coordinated by 3 crimp of the cover 5 and turbine, part and the turbine 3 of deformation,
Turbine 3 is driven to rotate.
For convenience of special-shaped guide pipe 1 installation and be conducive to the curling of glue stick 2, the cover 5 includes arc frame 501 and line
Shape column 502, and the arc frame 501 is integrally machined molding with the linear column 502；
Arc notch 8 and fixed groove 7 are offered between the arc frame 501 and the linear column 502, the arc lacks
Mouth 8 is easily installed special-shaped guide pipe 1, and the linear column 502 can support the special-shaped guide pipe 1.
Further, the special-shaped guide pipe 1 includes straight line portion and bending section, and the straight line portion and the bending section are different
Face is molded, and is conducive to the compact-sized of pre-tightening mechanism；The bending section is located at the top of the mandrel 4, the straight line portion along
502 inside of linear column is set；
The abnormity guide pipe 1 passes through the arc notch 8, and the port of the straight line portion is equipped with anti-rotational structure 103,
For with 7 secure fit of fixed groove.
Further, the anti-rotational structure 103 is tangent plane, the tangent plane and the plane of 7 bottom of fixed groove
Cooperation；And the tangent plane is equipped with the through-hole through special-shaped guide pipe 1, screw passes through the through-hole by the special-shaped guide pipe 1
It is fixed with the cover 5, when in use, can effectively avoid the rotation of special-shaped guide pipe 1；The straight line portion offers guiding
Slot 102, the guide groove 102 is interior to be equipped with guide frame 101, can change the direction of motion of glue stick 2 and make it along the arc
501 medial motion of frame；The guide frame 101 is tilted block, and the inner wall smooth of the tilted block and the special-shaped guide pipe 1 connects
It connects, glue stick 2 quickly moves in special-shaped guide pipe 1, and enters in cover 5 along the guide frame 101.
501 inside of arc frame is equipped with anti-retrogression structure 6, can be clamped the glue stick 2, can effectively avoid glue stick
2 retroversion prevents from pre-tightening unstable.
The anti-retrogression structure 6 is wedge block, which is equipped with several, and several described wedge blocks are along described
501 inner wall of arc frame is uniformly distributed, and improves the performance of anti-retrogression.
The turbine 3 is equipped with several hemispherical grooves, and several hemispherical grooves are evenly distributed on the turbine 3
Surface, 2 deformed part of glue stick can fill hemispherical groove, and turbine 3 is driven to rotate.
Using the above structure, automobile in case of emergency, have an effect by gas-forming agent, push the glue stick 2 along
The abnormity guide pipe 1 enters the cover 5, and glue stick 2 is crimped along the inside of the cover 5, and in the turbine 3 and described
Crimp under the action of cover 5 drives the turbine 3 to be turned round with moving mandrel 4, and safety belt is quickly retracted to preload, structure letter
It is single, it pre-tightens efficient.
Embodiment two：
It is shown in Figure 6, what is different from the first embodiment is that the hemispherical groove side is additionally provided with ratchet, using ratchet
Glue stick 2 can be blocked, improves stability.
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 pre-tightening mechanism, it is characterised in that：It is described including special-shaped guide pipe, glue stick, cover and turbine
Special-shaped guide pipe is extended on the inside of the cover and is fixedly mounted, and the turbine coordinates with mandrel and the turbine is located at the cover
Inside；The glue stick is extend into along the special-shaped guide pipe between the cover and the turbine, described in the glue stick driving
Turbine and the mandrel pre-tighten safety belt.
2. seat belt retractor pre-tightening mechanism according to claim 1, it is characterised in that：The cover includes arc frame and line
Shape column, and the arc frame is integrally machined molding with the linear column；
Arc notch and fixed groove are offered between the arc frame and the linear column.
3. seat belt retractor pre-tightening mechanism according to claim 2, it is characterised in that：The abnormity guide pipe includes straight line
Portion and bending section, and the straight line portion is molded with the bending section antarafacial；The bending section is located at the top of the mandrel, described
Straight line portion is set on the inside of the linear column；
It is described abnormity guide pipe pass through the arc notch, and the port of the straight line portion be equipped with anti-rotational structure, for institute
State fixed groove secure fit.
4. seat belt retractor pre-tightening mechanism according to claim 3, it is characterised in that：The anti-rotational structure is cuts flat with
Face, the tangent plane and the plane of the fixed groove bottom coordinate；And the tangent plane is equipped with through the logical of special-shaped guide pipe
Hole, screw pass through the through-hole to fix the special-shaped guide pipe and the cover.
5. seat belt retractor pre-tightening mechanism according to claim 4, it is characterised in that：The straight line portion offers guiding
Slot, the guide groove is interior to be equipped with guide frame, can change the direction of motion of glue stick and make it along the arc frame medial motion.
6. seat belt retractor pre-tightening mechanism according to claim 5, it is characterised in that：The guide frame is tilted block,
The tilted block is connect with the inner wall smooth of the special-shaped guide pipe.
7. according to any seat belt retractor pre-tightening mechanisms of claim 2-6, it is characterised in that：It is set on the inside of the arc frame
There is anti-retrogression structure, the glue stick can be clamped.
8. a kind of seat belt retractor pre-tightening mechanism according to claim 7, it is characterised in that：The anti-retrogression structure is wedge
Shape block, which is equipped with several, and several described wedge blocks are uniformly distributed along the arc frame inner wall.
9. a kind of seat belt retractor pre-tightening mechanism according to claim 1, it is characterised in that：The turbine is equipped with several
Hemispherical groove, and several hemispherical grooves are evenly distributed on the turbine surfaces.
10. a kind of seat belt retractor pre-tightening mechanism according to claim 9, it is characterised in that：The hemispherical groove one
Side is equipped with ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697017.2U CN207594902U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor pre-tightening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697017.2U CN207594902U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor pre-tightening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207594902U true CN207594902U (en) | 2018-07-10 |
Family
ID=62763807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697017.2U Active CN207594902U (en) | 2017-12-08 | 2017-12-08 | A kind of seat belt retractor pre-tightening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207594902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757551A (en) * | 2017-12-08 | 2018-03-06 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of Webbing retractor pre-tightening mechanism |
-
2017
- 2017-12-08 CN CN201721697017.2U patent/CN207594902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757551A (en) * | 2017-12-08 | 2018-03-06 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of Webbing retractor pre-tightening mechanism |
| CN107757551B (en) * | 2017-12-08 | 2024-02-23 | 沈阳金杯锦恒汽车安全系统有限公司 | Pretension mechanism of safety belt retractor |
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