CN208069597U - A kind of expansible separate assembling seat belt retractor - Google Patents
A kind of expansible separate assembling seat belt retractor Download PDFInfo
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- CN208069597U CN208069597U CN201820456903.4U CN201820456903U CN208069597U CN 208069597 U CN208069597 U CN 208069597U CN 201820456903 U CN201820456903 U CN 201820456903U CN 208069597 U CN208069597 U CN 208069597U
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Abstract
The utility model embodiment discloses a kind of expansible separate assembling seat belt retractor, including installation pedestal, roll-up spindle, clockwork group, active tightening group, passive self-locking group, the installation pedestal connection is on the car body, the roll-up spindle is rotatably connected in the installation pedestal, and the clockwork group, active tightening group, passive self-locking group are connected to the either end at the roll-up spindle both ends.The utility model embodiment can produce that efficiency of assembling is high, maintenance replacement cost is low and vehicle body frame will not be caused damage safer, gas generator stablize installation will not fail because vibrations are loosened or triggering suddenly, retracting clockwork spring to be completely embedded frictional dissipation small, good using smooth experience, while there is extremely strong scalability.
Description
Technical field
The utility model is related to seat belt retractor, more particularly to a kind of expansible split type coiler.
Background technology
With the raising of the development and living standards of the people of China's economy, science and technology, the automobile making amount in China, automobile consumption
Amount climbs up and up, and safety belt is configured as the important safety of automobile indispensability, also by increasingly higher demands.
Current multifunctional safe Webbing retractor is mostly to increase new construction realization on previous old money seat belt retractor
New function meets new requirement, since old money winder structure is not suitable for the new component of addition, after adding by force each structure it
Between connect complicated, fabrication technology complexity is of high cost, and failure rate is high, and repair is replaced difficult and costly, uses
It experiences bad, it is difficult to meet the needs of booming auto industry.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, provide it is a kind of using comfortably experience good, structure can
It is low by failure rate, maintenance replacement cost is low, production efficiency of assembling is high, product quality is stable, safety is more secure, adaptation is modern
Car industry requirement and can comply with era development be continuously increased new function component expansible separate assembling safety belt retracting
Device.
In order to achieve the above objectives, the utility model discloses a kind of expansible separate assembling seat belt retractors, special
Sign is, including installation pedestal, roll-up spindle, clockwork group, active tightening group, passive self-locking group, the installation pedestal are connected to vehicle
On body, the roll-up spindle is rotatably connected in the installation pedestal, the clockwork group, active tightening group, passive self-locking group difference
It is connected to the either end at the roll-up spindle both ends.
The installation pedestal includes installation backboard, left substrate, right substrate, connecting plate, and the left substrate and right substrate are distinguished
Be connected to it is described installation backboard both sides and perpendicular to the installation backboard, the connecting plate be connected to simultaneously the left substrate with
Right substrate, the left substrate and right substrate are arranged symmetrically, have coaxial circular through hole, institute on the left substrate and right substrate
Between stating circular through hole of the roll-up spindle on the left substrate and right substrate, the roll-up spindle and the left and right substrate
Rotary axle box is provided between through-hole.
The clockwork group includes spring, going barrel, and the spring retracting is in the going barrel and being connected to
In the roll-up spindle of the going barrel, the going barrel is connected on the left substrate.
The passive self-locking group includes passive self-locking assembly housing, inert block, pawl, spring support, spring, it is described it is passive from
Lock assembly housing includes that fixed installation shell and rotating plate, the fixed installation shell are connected to the left substrate or the going barrel
On, the inert block is rotatably connected on the rotating plate, and the pawl rotation is connected on the rotating plate and is arranged
Above the inert block, there is the fixed installation shell inner wall interior ratchet, the rotating plate to be connected in the roll-up spindle
And rotated with the roll-up spindle, the spring support is rotatably connected on the fixed installation shell, and the spring is connected to described
Spring support and the inert block, when the roll-up spindle drives the rotating plate rotation too fast, the inert block is made in inertia
The pawl is pushed to be engaged with the interior ratchet to prevent the rotating plate and the roll-up spindle from being rotated further reality with lower
Existing self-locking.
The active tightening group includes gas generator, actively tightens rack, actively tightens gear, outside active tightening group
Shell, the gas generator rotation riveting are mounted on described one end for actively tightening assembly housing, and the rack is slidably mounted on the master
In dynamic tightening assembly housing, the gear is connected in the roll-up spindle, and the rack engages the gear, the active tightening group
Shell, the bottom surface of rack, gas generator three constitute a closed cavity, collision gas generator generation height when occurring
Rack sliding is actively tightened described in pressure gas push to push the gear of actively tightening to rotate, and then makes the retracting shaft rotation
Dynamic tightening safety belt.
The gear of actively tightening is linked together by urgent connector and the roll-up spindle, and the urgent connector exists
Active tightening group can just connect the roll-up spindle when acting on.
The urgent connector includes being connected to the rotating wheel actively tightened on gear, sliding fixture block, cover board, described
There is cavity, the cavity to be composed of circular cavity and triangular cavity, the cover plate lid is in the cavity in rotating wheel
Side, the roll-up spindle stretches into and is taken across the cover board circular cavity and do not contacted with the rotating wheel, described
It is provided with sliding fixture block in triangular cavity between rotating wheel and the roll-up spindle, is stretched out on the cover board described in bolt insertion
The jack on fixture block is slided, the sliding fixture block position is made to fix and not contacted with the roll-up spindle.
Preferably, the outer surface of the sliding fixture block is rough surface.
Preferably, the inner surface of the rotating wheel cavity is rough surface.
Compared with the prior art, the beneficial effects of the utility model are：
Each function realizes that modularized production is installed one by one with a component so that production efficiency of assembling higher,
Product quality consistency higher, the connection reliability and durability safety of simple structure are more secure, repair is replaced and simple need to only have been replaced
The component of problem can, roll-up spindle connect frictional force smaller by axle sleeve with each supporting rack, spring is connected directly between retracting
Power loss smaller is furled on axis, the functional component that makes to be of little use by connector disconnects to advanced optimize experience, connection
Device structure reliable connection resolutely stablizes that safety is more secure, can comply with era change continues to add new function component, autgmentability
It is stronger.
Description of the drawings
Fig. 1 is the utility model embodiment overall structure diagram；
Fig. 2 is active tightening group overall structure diagram；
Fig. 3 is urgent connector overall structure diagram；
Fig. 4 is urgent connector matching relationship schematic diagram；
Fig. 5 is that active tightening group passes through urgent connector and roll-up spindle attachment structure schematic diagram；
Fig. 6 is clockwork group structural schematic diagram；
Fig. 7 is passive self-locking group structural schematic diagram；
It is marked in figure：1- installation pedestals, 2- roll-up spindles, 3- clockwork groups, the passive self-locking groups of 4-, 5- active tightening groups,
The urgent connectors of 6-, the left substrates of 11-, the right substrates of 12-, 13- connecting plates, 21- axle sleeves, 22- take-up spools, 31- clockwork springs
Box, 32- springs, 41- fixed installation shells, 42- rotating plates, 51- gas generators, 52- actively tighten rack,
53- actively tightens gear, and 54- actively tightens assembly housing, 55- sealing rings, and 56- revolves the positions riveter, 57- closed cavities, 61-
Rotating wheel, the sliding fixture blocks of 62- first, the sliding fixture blocks of 63- second, 64- cavitys, 65- jacks, 66- cover boards, 67- are easily broken
Bolt, ratchet in 411-, 421- inert blocks, 422- pawls, 423- springs, 424- spring supports.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the attached drawing of Fig. 1-Fig. 7
The utility model is described in further detail.
Referring to Fig.1 shown in-Fig. 7, roll-up spindle 2 is mounted between the left substrate 11 and right substrate 12 of installation pedestal 1, retracting
It is provided with axle sleeve 21 between axis 2 and left and right substrate 11,12 and reduces friction, take-up spool 22 is also connected in roll-up spindle 2 convenient for retracting
Safety belt, 2 left end of roll-up spindle sequentially pass through left substrate 11, clockwork group 3, passive self-locking group 4, and 2 right end of roll-up spindle sequentially passes through the right side
Substrate 12, urgent connector 6, active tightening group 5.
2 right end of roll-up spindle does not contact under normal circumstances with urgent connector 6, active tightening group 5, only in active tightening group
5 when being triggered, and 6 ability of urgent connector is contacted with roll-up spindle 2 and the rotation tightening safety belt under the drive of active tightening group 5.
Urgent connector 6 includes that rotating wheel 61, first slides the sliding of fixture block 62, second fixture block 63, cover board 66, rotating wheel 61
Side is fixed together with gear 53 is actively tightened, and 61 other side of rotating wheel has cavity 64, and the cavity 64 is by circular cavity
It is constituted with the cavity of two class triangles, the roll-up spindle 2 that the circular cavity is extended into occupies, the class triangle of 2 both sides of roll-up spindle
Fixture block 62 is slided in shape cavity by the first sliding fixture block 61 and second respectively to occupy, the cover board 66 covers the cavity, described
The jack 65 that easily broken bolt 67 is inserted on sliding fixture block is provided on cover board 66, to make the position fixation of sliding fixture block not slide
Dynamic, normal condition lower slider fixture block is adjacent to rotating wheel 61 and is not contacted with roll-up spindle 2, when active tightening group 5 is triggered, gas hair
Raw device 51, which generates high pressure gas promotion, actively tighten rack 52 and moves upwards, be engaged with actively tighten gear 53 rotate thus
Rotating wheel 61 is driven to rotate, cover board 66 is fixedly connected in installation pedestal 1 and will not rotate, and rotating wheel 1 drives sliding fixture block rotation
To make easily broken bolt 67 be cut, sliding fixture block is rotated the medial surface of wheel 61 and the outer surface of roll-up spindle 2 clamps so that volume
It receives axis 2 to rotate to furl safety belt with rotating wheel 61, occupant is retracted and is adjacent on seat.
Active tightening group includes gas generator 51, actively tightens rack 52, actively tightens gear 53, outside active tightening group
Shell 54, sealing ring 55, gas generator 51 revolve riveting and are mounted on the positions rotation riveter 56 for actively tightening 54 one end of assembly housing, actively receive
Tight inside rack 52 setting and actively tighten assembly housing 54, actively tighten the bottom surface of rack 52 with actively tighten assembly housing 54 it
Between be additionally provided with sealing ring 55 so that actively tighten rack 52, actively tighten assembly housing 54,51 three of gas generator constitute one
When closed cavity 57, setting perceive vehicle with the sensor of vehicle outer rim and collide, signal is passed into gas generator
51, gas generator 51 generates high pressure gas and injects closed cavity 57, and then promotion is actively tightened rack 52 and moved up, in turn
It pushes to be engaged on actively to tighten and actively tightens the rotation of gear 53 on rack 52, it is urgent to connect to drive rotating wheel 61 to rotate
Device 6 is engaged with roll-up spindle 2, to drive the rotation of roll-up spindle 2 actively to tighten safety belt.Gas generator 51 is by revolving riveter skills peace
Dress can easily bear the immense pressure that generates when gas generator 51 works, than in the past by the way of screw it is more reliable, and
There is no loosening, abnormal sound or vibrations will not be brought so that gas generator 51 automatic trigger or mistake under long-term vibration
Effect, ensure that the validity and stability of gas generator 51.
Installation pedestal 10 includes left substrate 11, right substrate 12 and connecting plate 13, and roll-up spindle 2 is rotatably connected on by axle sleeve 21
On left and right substrate 11,12 so that the installation of roll-up spindle 2 is firm, frictional dissipation is small, rotation is smooth, and 2 both ends of roll-up spindle are stretched out left and right
Substrate 11,12 is set to left and right substrate 11, the component of 12 both sides is connected on left and right substrate 11,12, roll-up spindle 2 and each portion
Part radial load suffered when connecting is small, and mostly by twisting resistance, therefore frictional dissipation smaller, use are more smooth.
Clockwork group 3 includes going barrel 31 and spring 32, and the retracting of spring 32 is in going barrel 31 and is directly connected to
In roll-up spindle 2, retracting power conduction is more direct, and smaller is lost.
Passive self-locking group 4 includes that shell 41, rotating plate 42 is fixedly mounted, and shell 41 is fixedly mounted and is connected on going barrel 31,
Rotating plate 42, which is rotatably connected on, to be fixedly mounted on shell 41, and rotating plate 42 is connected to roll-up spindle 2 and can be rotated with roll-up spindle 2,
Inert block 421 is provided on rotating plate 42,421 top of inert block is provided with pawl 422, and inert block 421 and pawl 422 turn
Dynamic to be connected on rotating plate 42, spring support 424 is gone back in 421 lower section of inert block, and spring 423 is connected to inert block 421 and spring
Holder 424, safety belt, which is pulled when roll-up spindle 2 being made to rotate, drives rotating plate 42 to rotate, and inert block 421, which has, keeps script shape
The inertia of state, when rotating too fast, inert block 421 rotates slow and rotating plate 42 rotates soon to which relative displacement occur, inertia
Block push pawl 422 move up block be fixedly mounted 41 madial wall of shell on interior ratchet 411, to prevent rotating plate 42 from
Further rotation realizes that self-locking, spring 423 can pull inert block 421 to reset when rotatory force weakens.
The utility model embodiment roll-up spindle 2 is connected to by axle sleeve 21 in installation pedestal 1, and both ends are stretched out installation pedestal and used
In linkage function component, each functional component is connected to layer by layer in installation pedestal 1, does not have radial pressure, roll-up spindle to rub roll-up spindle 2
Consumption of wearing is minimum, and retracting power directly transmits no spacious amount, and using smooth without loosening, shake or abnormal sound, experience is splendid；Each function
Component assembling is efficient, good product consistency, and quality is high and stablizes；Maintenance replacement cost is lower, is damaged with previous a certain function
It needing entirely to remove difference, the utility model embodiment only needs to change the functional component of damage, without removing mounting seat,
Vehicle body frame will not be caused to damage because of dismounting mounting base, reduce security risk.The utility model embodiment also has
Extremely strong scalability.
Certain above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this
The people of technology can understand the content of the utility model and implement according to this, and the protection model of the utility model can not be limited with this
It encloses, any modifications made in accordance with the spirit of the main technical solutions of the utility model, should all cover the guarantor in the utility model
Within the scope of shield.
Claims (3)
1. a kind of expansible separate assembling seat belt retractor, which is characterized in that including installation pedestal, roll-up spindle, clockwork group,
Active tightening group, passive self-locking group, on the car body, the roll-up spindle is rotatably connected on the installation base for the installation pedestal connection
On seat, the clockwork group, active tightening group, passive self-locking group are connected to the either end at the roll-up spindle both ends；
The installation pedestal includes installation backboard, left substrate, right substrate, connecting plate, and the left substrate and right substrate are separately connected
In the both sides of the installation backboard and perpendicular to the installation backboard, the connecting plate is connected to the left substrate and right base simultaneously
Plate, the left substrate and right substrate are arranged symmetrically, have coaxial circular through hole, the volume on the left substrate and right substrate
Between receiving the circular through hole that axis is mounted on the left substrate and right substrate, the through-hole of the roll-up spindle and the left and right substrate
Between be provided with rotary axle box；
The clockwork group includes spring, going barrel, the spring retracting in the going barrel and be connected to across
In the roll-up spindle of the going barrel, the going barrel is connected on the left substrate；
The passive self-locking group includes passive self-locking assembly housing, inert block, pawl, spring support, spring, the passive self-locking group
Shell includes that fixed installation shell and rotating plate, the fixed installation shell are connected on the left substrate or the going barrel, institute
It states inert block to be rotatably connected on the rotating plate, the pawl rotation is connected on the rotating plate and is set to described
Above inert block, there is the fixed installation shell inner wall interior ratchet, the rotating plate to be connected in the roll-up spindle and with institute
Roll-up spindle rotation is stated, the spring support is rotatably connected on the fixed installation shell, and the spring is connected to the spring branch
Frame and the inert block, when the roll-up spindle drives the rotating plate rotation too fast, the inert block pushes away under effect of inertia
The pawl is moved to be engaged to prevent the rotating plate and the roll-up spindle from being rotated further realization self-locking with the interior ratchet；
The active tightening group includes gas generator, actively tightens rack, actively tightens gear, actively tightens assembly housing, institute
It states gas generator rotation riveting and is mounted on described one end for actively tightening assembly housing, the rack is slidably mounted on the active tightening
In assembly housing, the gear is connected in the roll-up spindle, and the rack engages the gear, it is described actively tighten assembly housing,
The bottom surface of rack, gas generator three constitute a closed cavity, collision gas generator generation high pressure gas when occurring
Body pushes the rack of actively tightening to slide that the gear of actively tightening is pushed to rotate, and then the roll-up spindle rotation is made to receive
Tight safety belt；
The gear of actively tightening is linked together by urgent connector and the roll-up spindle, and the urgent connector is actively
Tightening group can just connect the roll-up spindle when acting on；
The urgent connector includes being connected to the rotating wheel actively tightened on gear, sliding fixture block, cover board, the rotation
There is cavity in wheel, the cavity is composed of circular cavity and triangular cavity, the cover plate lid in the cavity one
Side, the roll-up spindle stretch into and are taken across the cover board circular cavity and do not contacted with the rotating wheel, the rotation
It is provided with sliding fixture block in triangular cavity between wheel and the roll-up spindle, stretches out bolt on the cover board and is inserted into the sliding
Jack on fixture block makes the sliding fixture block position fix and not contacted with the roll-up spindle.
2. expansible separate assembling seat belt retractor according to claim 1, which is characterized in that the sliding fixture block
Outer surface be rough surface.
3. expansible separate assembling seat belt retractor according to claim 2, which is characterized in that the rotation makes a turn
The inner surface of chamber is rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456903.4U CN208069597U (en) | 2018-04-02 | 2018-04-02 | A kind of expansible separate assembling seat belt retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456903.4U CN208069597U (en) | 2018-04-02 | 2018-04-02 | A kind of expansible separate assembling seat belt retractor |
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| Publication Number | Publication Date |
|---|---|
| CN208069597U true CN208069597U (en) | 2018-11-09 |
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| CN201820456903.4U Active CN208069597U (en) | 2018-04-02 | 2018-04-02 | A kind of expansible separate assembling seat belt retractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334595A (en) * | 2018-11-16 | 2019-02-15 | 牛小星 | 4 belt with pre-load device control systems of one kind and control method |
-
2018
- 2018-04-02 CN CN201820456903.4U patent/CN208069597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334595A (en) * | 2018-11-16 | 2019-02-15 | 牛小星 | 4 belt with pre-load device control systems of one kind and control method |
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