CN110481491A - Coiler, coiler mandrel and cover - Google Patents
Coiler, coiler mandrel and cover Download PDFInfo
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- CN110481491A CN110481491A CN201910800998.6A CN201910800998A CN110481491A CN 110481491 A CN110481491 A CN 110481491A CN 201910800998 A CN201910800998 A CN 201910800998A CN 110481491 A CN110481491 A CN 110481491A
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- coiler
- mandrel
- connecting pin
- bowl
- cover
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- 230000007246 mechanism Effects 0.000 claims description 26
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- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000000306 component Substances 0.000 description 37
- 238000010586 diagram Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
-
- 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
- B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The application discloses a kind of coiler, coiler mandrel and cover, wherein coiler includes: mandrel main body, latch, connecting column, ratchet and inertial mass；Latch is arranged in the mounting groove of mandrel main body, and ratchet is connected to the connecting pin of mandrel main body, and is socketed on locking wheel rim；The limitation end of inertial mass is located at the limiting section of ratchet；Connecting column is inserted into the limit sliding chutes of ratchet；Limitation end is abutted with the locking structure on locking wheel rim, and mandrel body rotation moves connecting column along limit sliding chutes, it is mobile to periphery to be driven latch, and finally engage with the position limiting structure on the support frame of coiler, be rotated mandrel main body can not.The latch of the present embodiment is arranged in mandrel main body, locking can be completed by the movement of latch, so that the volume of mandrel main body be made to reduce, structure is simple；And inertial mass is the locking to ratchet to can be completed, to optimize the structure of coiler by cooperating with the locking wheel rim of coiler locking cover.
Description
Technical field
This application involves automobile equipment technical fields, and in particular to a kind of coiler, two kinds of coiler mandrels and two kinds
Cover.
Background technique
Coiler is the core component of car belt, has the function of lock in emergency, can be real in automobile brake
Now to the locking of safety belt, thus occupant is fixed on the seat, protect the safety by bus of occupant.
Wherein, what is be directly connected to safety belt is coiler core component, and coiler mandrel is mounted on coiler shell,
Coiler mandrel and ratchet assembly cooperate so that the locking tooth of coiler mandrel is engaged with the locking part in retractor bracket, thus
Complete locking.But in the prior art, the both ends volume that coiler mandrel is connect with coiler shell is larger, thus make its
It is more heavy when rotation；And the component structural of the ratchet assembly setting of coiler is more, is unfavorable for the excellent of winder structure
Change.
Summary of the invention
In view of this, this application provides a kind of coiler, to promote the flexibility of coiler mandrel rotation, and optimization
The structure of coiler.The application also applies for two kinds of coiler mandrels and two kinds of covers simultaneously.
The application provides a kind of coiler, comprising: mandrel main body, coiler latch assembly, coiler lockable mechanism, and
It is provided with the coiler locking cover of locking wheel rim, wherein
The coiler latch assembly includes latch and the connecting column that is arranged on the latch；The latch is set
It sets in the mounting groove of the axial end face of the mandrel main body, and with the mandrel body rotation；
The coiler lockable mechanism includes ratchet and the inertial mass that is arranged on the radial end face of the ratchet, described used
Property block and the inner peripheral surface of the ratchet between there is the space for accommodating the locking wheel rim；
The ratchet is connected to the connecting pin of the mandrel main body, and is socketed in the locking wheel rim of the coiler locking cover
On；The limitation end of the inertial mass is located at the limiting section of the ratchet；The connecting column is axially inserted into along the mandrel main body
In the limit sliding chutes of the ratchet；
The limitation end radially protrudes from the limiting section, and supports with the locking structure on the locking wheel rim
It connects, so that the ratchet can not continue to rotate, if the mandrel body rotation, the connecting column are moved along the limit sliding chutes
It is dynamic, it is mobile to periphery to drive the latch, and finally engage with the position limiting structure on the support frame of coiler, to make described
Mandrel main body can not continue to rotate.
Optionally, the coiler latch assembly further include: the connection is fixed in elastic component, one end of the elastic component
On column, the other end is connected to the mandrel main body, and Xiang Suoshu latch provides the elastic force for tending to inner circumferential.
Optionally, the latch includes clamping portion and support portion, and the week of the support portion is along the slot with the mounting groove
Bottom cooperation, so that the latch be enable to slide in the mounting groove；The clamping portion is provided with towards outside mounting groove
Card interface, pass through the card interface realize and the engaging of the position limiting structure on the support frame of the coiler.
Optionally, the coiler lockable mechanism further include: the ratchet is fixed in elastic component, one end of the elastic component
Limit support, the other end is connected to the abutment end of the inertial mass, and the elastic component is provided to the abutment end far from described
Limit the elastic force of support.
Optionally, the relatively described limit support setting of the abutment end, the abutment end includes abutting column and positioning column；Institute
The support column for stating abutting column and the limit support is oppositely arranged；The spring retention posts phase of the positioning column and the limit support
To setting.
Optionally, the elastic component is the spring of column structure, and positioning column is fixed in one end of the spring, and one end connects
It is connected to the spring retention posts.
Optionally, the end of the connecting pin for the mandrel main body connecting with the ratchet is set as the bowl-shape of protrusion, should
End can be matched with the bowl-shape shrinkage pool of the coiler locking cover；The connecting pin is known as bowl-shape connecting pin.
Optionally, the end of the connecting pin opposite with the bowl-shape connecting pin is set as cone, the end can with it is right
The conical indents for the cover answered match；The connecting pin is known as taper connection end.
The application also provides a kind of coiler mandrel, and the end of at least one connecting pin of the coiler mandrel is set as
What is protruded is bowl-shape, which can match with the bowl-shape shrinkage pool of corresponding cover；The connecting pin is known as bowl-shape connecting pin.
Optionally, the end of the connecting pin opposite with the bowl-shape connecting pin is set as cone, the end can with it is right
The conical indents for the cover answered match；The connecting pin is known as taper connection end.
Optionally, the end of the bowl-shape connecting pin is additionally provided with the support that the end is protruded from along mandrel axial direction
Body；
Correspondingly, the bottom of the bowl-shape shrinkage pool of cover corresponding with the end of the bowl-shape connecting pin, is additionally provided with center
Shrinkage pool, the central pit hole is for accommodating the supporter.
The application also provides a kind of coiler mandrel, and the end of at least one connecting pin of the coiler mandrel is set as
Cone, the end can be matched with the conical indents of corresponding cover；The connecting pin is known as taper connection end.
Optionally, the end of the connecting pin opposite with the taper connection end is set as the bowl-shape of protrusion, which can
It is matched with the bowl-shape shrinkage pool of corresponding cover；The connecting pin is known as bowl-shape connecting pin.
The application also provides a kind of cover, comprising: the bowl-shape shrinkage pool on the cover is arranged in, the bowl-shape shrinkage pool can
The bowl-shape connecting pin for being set as protrusion with corresponding end matches.
The application also provides a kind of cover, comprising: the conical indents on the cover is arranged in, the conical indents can
The connecting pin for being set as cone with corresponding end matches.
Compared with prior art, the application has the following advantages:
The application provides a kind of coiler, comprising: mandrel main body, coiler latch assembly, coiler lockable mechanism, and
It is provided with the coiler locking cover of locking wheel rim, wherein the coiler latch assembly includes latch and is arranged in the lock
Connecting column on stops；The latch is arranged in the mounting groove of the axial end face of the mandrel main body, and with the mandrel
Body rotation；The coiler lockable mechanism includes ratchet and the inertial mass that is arranged on the radial end face of the ratchet, described
There is the space for accommodating the locking wheel rim between inertial mass and the inner peripheral surface of the ratchet；The ratchet is connected to the mandrel
The connecting pin of main body, and be socketed on the locking wheel rim of the coiler locking cover；The limitation end of the inertial mass is located at described
The limiting section of ratchet；The connecting column is axially inserted into the limit sliding chutes of the ratchet along the mandrel main body；The limitation
End radially protrudes from the limiting section, and abuts with the locking structure on the locking wheel rim so that the ratchet without
Method continues to rotate, if the mandrel body rotation, the connecting column are moved along the limit sliding chutes, drive the latch to
Periphery is mobile, and finally engages with the position limiting structure on the support frame of coiler, to make the mandrel main body that can not continue to turn
It is dynamic.The latch of the present embodiment is arranged in mandrel main body, locking can be completed by the movement of latch, to make mandrel master
The volume of body reduces, and structure is simple；And inertial mass be by with the cooperation of the locking wheel rim of coiler locking cover, can be completed pair
The locking of ratchet reduces being separately provided for locking wheel rim, to optimize the structure of coiler.
The application provides a kind of coiler mandrel, including, the end of at least one connecting pin of coiler mandrel is set as
What is protruded is bowl-shape, which can match with the bowl-shape shrinkage pool of corresponding cover；The connecting pin is known as bowl-shape connecting pin.This reality
The end for applying at least one connecting pin of the coiler mandrel of example is set as the bowl-shape of protrusion, which can be with corresponding cover
Bowl-shape shrinkage pool match, to promote the flexibility of coiler mandrel rotation, and reduce coiler mandrel and coiler shell
The noise of body, and then improve usage experience.
The application also provides a kind of cover, comprising: the bowl-shape shrinkage pool on the cover is arranged in, the bowl-shape shrinkage pool can
The bowl-shape connecting pin for being set as protrusion with corresponding end matches.The bowl-shape shrinkage pool of the cover of the present embodiment can with it is corresponding
End be set as protrusion bowl-shape connecting pin match, thus promoted coiler mandrel rotation flexibility, and reduce
The noise of coiler mandrel and coiler shell, and then improve usage experience.
The application also provides a kind of cover, comprising: the conical indents on the cover is arranged in, the conical indents can
The connecting pin for being set as cone with corresponding end matches.The conical indents of the cover of the present embodiment can be with corresponding end
The connecting pin that end is set as cone matches, to promote the flexibility of coiler mandrel rotation, and reduces coiler core
The noise of axis and coiler shell, and then improve usage experience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of coiler provided by the embodiments of the present application；
Fig. 2 is a kind of Structure explosion diagram of coiler provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of coiler locking cover provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of fixed cover provided by the embodiments of the present application；
Fig. 5 is a kind of structural schematic diagram of the first connecting portion of coiler mandrel provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of the second connecting portion of coiler mandrel provided by the embodiments of the present application；
Fig. 7 is a kind of structural schematic diagram of coiler latch assembly provided by the embodiments of the present application；
Fig. 8 is the structural schematic diagram of the latch in coiler latch assembly provided by the embodiments of the present application；
Fig. 9 is a kind of structural schematic diagram of coiler lockable mechanism provided by the embodiments of the present application；
Figure 10 is the structural schematic diagram of the ratchet in coiler lockable mechanism provided by the embodiments of the present application；
Figure 11 is the structural schematic diagram of the inertial mass in coiler lockable mechanism provided by the embodiments of the present application.
Wherein, coiler 100, support frame 1, position limiting structure 11, bolt arrangement 12,
Coiler locking cover 2, cover 21, the first accommodating cavity 211, the second accommodating cavity 212, locking wheel rim 22, locking structure
221, bowl-shape shrinkage pool 23, central pit hole 24, fixed cover 3, third accommodating cavity 31, conical indents 32, cover 33, coiler mandrel 4,
Mandrel main body 41, first connecting portion 42, second connecting portion 43, coupled wheel 44, supporting table 45, mounting groove 451, connecting pin 46, branch
Support body 461, position-limited wheel 47, connecting pin 48, spacing collar 471 limit slideway 472, coupled wheel 473, support rim 474, wind spring company
Spindle 49；
Coiler latch assembly 5, latch 51, connecting column 52, elastic component 53, ring hooking structure 531, clamping portion 54, clamping
Mouth 541, support portion 55, coupler construction 551, coiler lockable mechanism 6, ratchet 61, inertial mass 62, abutment end 621 abut column
6211, positioning column 6212 limits end 622, arc support 623, aperture 6231, elastic component 63, central shaft hole 64, central supported
Boss 65, connecting shaft 66, limit support 67, spring retention posts 671, support column 672, limiting section 68, the first limited block 681, the
Two limited blocks 682, limit sliding chutes 69, wind spring component 7, wind spring end cap 71, wind spring 72, vehicle sense component 8, vehicle sense fixing seat 81, vehicle
Feel sensor module 82.
Specific embodiment
Many details are explained in the following description in order to fully understand the application.But the application can be with
Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to the application intension the case where
Under do similar popularization, therefore the application is not limited by following public specific implementation.
The embodiment of the present application provides a kind of coiler 100, and Fig. 1 is the structure of coiler 100 provided by the embodiments of the present application
Schematic diagram.
Referring to figs. 1 and 2, coiler 100 provided by the embodiments of the present application, including support frame 1, coiler locking cover
2, fixed cover 3, coiler mandrel 4, coiler latch assembly 5, coiler lockable mechanism 6 and wind spring component 7 and vehicle sense component
8.Wherein, the mandrel main body 41 of coiler mandrel 4 is arranged in support frame 1, and both ends extend through the limit of the two sides of support frame 1
For bit architecture 11 so that coiler mandrel 4 is arranged on support frame 1, coiler locking cover 2 and fixed cover 3 pass through bolt arrangement respectively
12 are fixedly connected on the two sides of support frame 1, and coiler latch assembly 5 is arranged in coiler locking cover 2, and with coiler mandrel
4 wherein one end connection, the other end of coiler mandrel 4 are connected to wind spring component 7, and wind spring component 7 is located in fixed cover 3, peace
Full band is wound in the mandrel main body 41 of coiler mandrel 4.
Specifically, the coiler locking cover 2 of the embodiment of the present application includes: cover 21, cover 21 in conjunction with shown in Fig. 1 to Fig. 3
The bottom surface of inside is provided with locking wheel rim 22, and multiple locking structures 221, locking structure are distributed on the inner peripheral surface of locking wheel rim 22
221 can be the locking tooth or lock groove along inner circumferential EDS maps.Wherein, in the present embodiment, as shown in figure 3, cover 21 has
There are the first accommodating cavity 211 and the second accommodating cavity 212, the avris of the first accommodating cavity 211 is arranged in the second accommodating cavity 212, and close
The marginal position of cover 21.The whole horizontal cross-section of first accommodating cavity 211 is approximately circle, and the first accommodating cavity 211 is for setting
Set locking wheel rim 22 and coiler lockable mechanism 6.Second accommodating cavity 212 is for accommodating vehicle sense component 8, and wherein vehicle sense component 8 wraps
Vehicle sense fixing seat 81 and vehicle sense sensor module 82 are included, vehicle sense fixing seat 81 is sleeved in the second accommodating cavity 212, vehicle propagated sensation sensor
Component 82 is fixedly mounted in vehicle sense fixing seat 81.
In the present embodiment, as shown in figure 3, locking wheel rim 22 can protrude from the bottom surface setting of cover 21, then locking
Wheel rim 22 has the outer surface relative to inner peripheral surface, and the outer surface is smooth state.Locking wheel rim 22 protrudes from cover 21
Bottom surface setting can be in order to match, so that the ratchet 61 of coiler lockable mechanism 6 with the ratchet 61 of coiler lockable mechanism 6
The outer peripheral surface of locking wheel rim 22 can be relied on to rotate, and form locking space with locking wheel rim 22.
Certainly, in other schemes of the present embodiment, locking wheel rim 22 can also be depressed in the bottom surface setting of cover 21 (not
Show), there is the locking wheel rim 22 and only inner peripheral surface.At this point, can be provided in the circumferential edge of locking wheel rim 22
Corresponding to the slideway of 61 circumferential edge of ratchet, the width dimensions of the slideway correspond to the thickness of 61 circumferential edge of ratchet, so that
The ratchet 61 of coiler lockable mechanism 6 can rely on the slideway of cover 21 to rotate.
Further, in the present embodiment, bowl-shape shrinkage pool 23 is additionally provided on cover 21, bowl-shape shrinkage pool 23 is arranged in cover
21 bottom surface, and be located on the central axis of locking wheel rim 22, the bowl-shape shrinkage pool 23 with the first of mandrel main body 41 for connecting
The connecting pin 46 (shown in Fig. 5) in portion 42 connects.Wherein, the bottom of bowl-shape shrinkage pool 23 is additionally provided with central pit hole 24.It is understood that
, bowl-shape shrinkage pool 23 can protrude from cover 21 bottom surface setting, can also be depressed in cover 21 bottom surface setting.
Further, in the present embodiment, in conjunction with shown in Fig. 2 and Fig. 4, the fixation that is oppositely arranged with coiler locking cover 2
Cover 3 is for accommodating wind spring component 7, i.e., fixed cover 3 is provided with third accommodating cavity 31, and wind spring component 7 is arranged in the third accommodating cavity
In 31.As shown in figure 4, being additionally provided with conical indents 32, which is used for and core on the basal surface position of fixed cover 3
The connecting pin 48 (shown in Fig. 6) of the second connecting portion 43 of shaft body 41 connects.Wherein, conical indents 32 and coiler locking cover 2
On bowl-shape shrinkage pool 23 be coaxially disposed.
It is understood that in other embodiments, bowl-shape shrinkage pool 23 can be set on fixed cover 3, conical indents 32
It can be set on coiler locking cover 2.It will also be appreciated that being only arranged simultaneously on coiler locking cover 2 and fixed cover 3
There are bowl-shape shrinkage pool 23 or conical indents 32.As long as being the claimed model of the application for the assembly with mandrel main body 41
It encloses.
The present embodiment provides a kind of coiler locking covers 2, comprising: the bottom surface of 21 inside of cover 21 and cover is provided with locking
Multiple locking structures 221 are distributed on the inner peripheral surface of locking wheel rim 22 in wheel rim 22.Wherein, since locking wheel rim 22 is that setting exists
On cover 21, so that coiler locking cover 2 has the function of locking, but also locking wheel rim 22 does not need other structures
Support can realize it is firm, to optimize the structure of coiler.
Further, in the present embodiment, in conjunction with shown in Fig. 2, Fig. 5 and Fig. 6, the mandrel main body 41 of coiler mandrel 4
Circumferential end faces are provided with the groove being arranged in array, and safety belt can be made to be wrapped in the circumferential end faces of mandrel main body 41 in this way
When, increase frictional force between the two.The both ends of mandrel main body 41 are provided with first connecting portion 42 and second connecting portion 43, the
The axial direction of 43 mandrel main body 41 of one interconnecting piece 42 and second connecting portion is arranged.
In the present embodiment, first connecting portion 42 includes the coupled wheel 44 being successively arranged close to mandrel main body 41, supporting table
45 and connecting pin 46.Wherein, it is provided with retention bead in the circumferential end faces of coupled wheel 44, is arranged in the circumferential end faces of supporting table 45
There is at least one mounting groove 451.Second connecting portion 43 include successively close to the position-limited wheel 47 of mandrel main body 41 and connecting pin 48,
In, position-limited wheel 47 includes successively close to the spacing collar 471 of mandrel main body 41, limit slideway 472 and coupled wheel 473, spacing collar
471 protrude from the circumferential end faces of mandrel main body 41, and limit slideway 472 is arranged between spacing collar 471 and coupled wheel 473, support
The position limiting structure 11 of the side of frame 1 is installed in limit slideway 471, so that promote mandrel main body 41 is installed on branch in the axial direction
The stabilization of support 1.In the present embodiment, it in the central axial direction of position-limited wheel 47, is additionally provided with and protrudes from position-limited wheel 47
Support rim 474, the support rim 474 are used to connect the wind spring end cap 71 of wind spring component 7；In support rim 474 and connecting pin
Wind spring connecting shaft 49 is additionally provided between 48, wind spring connecting shaft 49 is used to connect the wind spring 72 of wind spring component 7.First connecting portion 42
Connecting pin 46 and second connecting portion 43 connecting pin 48 be coaxially disposed.
In the embodiment of the present application, the connecting pin at the both ends of coiler mandrel 4 can be following structure, specifically, retracting
The end of at least one connecting pin of device mandrel 4 is set as the bowl-shape of protrusion, which can be bowl-shape with corresponding cover 21
Shrinkage pool 23 matches；The connecting pin is the connecting pin 46 of first connecting portion 42, referred to as bowl-shape connecting pin；The cover 21 is proximate to
The cover 21 of one interconnecting piece 42, referred to as coiler locking cover 2.In the present embodiment, the end of bowl-shape connecting pin is additionally provided with edge
Mandrel axial direction protrudes from the supporter 461 of end, wherein supporter 461 can be cuboid either cylindrical body.It is corresponding
, the bottom of the bowl-shape shrinkage pool 23 of coiler locking cover 2 corresponding with the end of bowl-shape connecting pin is additionally provided with central pit hole
24, central pit hole 24 is for accommodating supporter 461.
In the present embodiment, the end of the connecting pin opposite with bowl-shape connecting pin is set as cone, which can be with
The conical indents 32 of corresponding cover 33 match；The connecting pin is the connecting pin 48 of second connecting portion 43, referred to as taper connection
End, the cover 33 are proximate to the cover 33 of second connecting portion 43, referred to as fixed cover 3.It is understood that the present embodiment its
In its scheme, the end of the connecting pin opposite with bowl-shape connecting pin is set as the bowl-shape of protrusion, and can be retracting with cover 21
The bowl-shape shrinkage pool 23 of device locking cover 2 matches.It will also be appreciated that being equipped with the whole of the coiler 100 of the coiler mandrel 4
Body structure is also different.
In the embodiment of the present application, the bowl-shape of protrusion is set by the end of at least one connecting pin of coiler mandrel 4,
The end can be matched with the bowl-shape shrinkage pool 23 of corresponding cover 21, so that the flexibility of the rotation of coiler mandrel 4 is promoted, with
And the noise of coiler mandrel 4 and coiler shell is reduced, and then improve usage experience.
In the application alternative embodiment, the connecting pin at the both ends of coiler mandrel 4 can be following structure (not shown),
Specifically, the end of at least one connecting pin of coiler mandrel 4 is set as cone, which can be with corresponding cover 33
Conical indents 32 match；The connecting pin is the connecting pin of first connecting portion 42, referred to as taper connection end, which is to lean on
The cover 33 of nearly first connecting portion 42, referred to as fixed cover 3.
In the present embodiment, the end of the connecting pin opposite with taper connection end is set as bowl-shape, end energy of protrusion
It is enough to be matched with the bowl-shape shrinkage pool 23 of corresponding cover 21；The connecting pin is the connecting pin of second connecting portion 43, referred to as bowl-shape company
End is connect, which is proximate to 43 cover 21 of second connecting portion, referred to as coiler locking cover 2.Wherein, the end of bowl-shape connecting pin
It is additionally provided with the supporter that end is protruded from along mandrel axial direction, and coiler locking corresponding with the end of bowl-shape connecting pin
The bottom of the bowl-shape shrinkage pool 23 of cover 2 is additionally provided with central pit hole 24, and central pit hole 24 is for accommodating supporter.
It is understood that in other schemes of the present embodiment, the end of the connecting pin opposite with taper connection end
It can be set to cone, which can be that the conical indents 32 of fixed cover 3 are matched with cover 33.It is understood that
It is that the overall structure of the coiler of the coiler mandrel 4 is installed also to be different.
In the application alternative embodiment, cone is set by the end of at least one connecting pin of coiler mandrel 4,
The end can be matched with the conical indents 32 of corresponding cover 33, so that the flexibility of the rotation of coiler mandrel 4 is promoted, with
And the noise of coiler mandrel 4 and coiler shell is reduced, and then improve usage experience.
Further, in the present embodiment, in conjunction with shown in Fig. 2, Fig. 7 and Fig. 8, coiler latch assembly 5 is connected to retracting
The side of the first connecting portion 42 of device mandrel 4 is particularly located between mandrel main body 41 and the ratchet 61 of coiler lockable mechanism 6.
Specifically, coiler latch assembly 5 includes: latch 51, connecting column 52 and elastic component 53；Wherein, the setting of latch 51 exists
In the mounting groove 451 of the axial end face of mandrel main body 41, and rotated with mandrel main body 41；Axis of the connecting column 52 along mandrel main body 41
To setting on latch 51, and it is inserted into the limit sliding chutes 69 of ratchet 61；One end of elastic component 53 is fixed on connecting column 52, separately
One end is connected to mandrel main body 41, and the elastic force for tending to inner circumferential is provided to latch 51；When ratchet 61 is stopped rotation, if
Mandrel main body 41 rotates, then connecting column 52 is moved along limit sliding chutes 69, drives latch 51 to the center far from mandrel main body 41
The periphery of axis is mobile, and finally engages with the position limiting structure of the support frame 1 of coiler 100, to make mandrel main body 41 can not
It continues to rotate.
In the present embodiment, latch 51 includes clamping portion 54 and support portion 55, all edges and the mounting groove 451 of support portion 55
Slot bottom cooperation, so that latch 51 be enable to slide in mounting groove 451；Wherein, support portion 55 is set as the hook stretched out
Structure 551；Coupler construction 551 protrudes into inside mandrel main body 41, provides limit for latch 51.Certainly, being in others can be real
It applies in scheme, support portion 55 can be in the form of a column, and the distal end faces of support portion 55 are set as arc end surface.Clamping portion 54 is provided with
Towards the card interface 541 outside mounting groove 451, realized by card interface 541 and the engaging of the position limiting structure 11 on support frame 1,
Wherein, in the present embodiment, card interface 541 is arranged to tooth form or concaveconvex structure.It is corresponding, the limit of the side of support frame 1
Structure 11 is also configured as the tooth form that can be engaged or concaveconvex structure.In the present embodiment, clamping portion 54 is at least in following shape
It is a kind of: fan-shaped, semicircle and a quarter circle.
Elastic component 53 is arc-shaped circlip, and one end that circlip is connect with connecting column 52 is set as ring hooking structure 531, passes through ring
Hooking structure 531 is connected to circlip on connecting column 52.
Coiler latch assembly 5 provided in this embodiment includes: latch 51, connecting column 52 and elastic component 53；Wherein,
Latch 51 is arranged in the mounting groove 451 of the axial end face of mandrel main body 41, and rotates with mandrel main body 41；52 edge of connecting column
Mandrel main body 41 is axially disposed on latch 51, and is inserted into the limit sliding chutes 69 of ratchet 61；One end of elastic component is fixed on
On connecting column 52, the other end is connected to mandrel main body 41, and the elastic force for tending to inner circumferential is provided to latch 51；In 61 quilt of ratchet
When stopping operating, if mandrel main body 41 rotates, connecting column 52 is moved along limit sliding chutes 69, and latch 51 is driven to move to periphery
It is dynamic, and finally engage with the position limiting structure 11 on the support frame 1 of coiler 100, to make mandrel main body 41 that can not continue to rotate.
The coiler latch assembly 5 of the embodiment of the present application passes through the movement of latch 51 when carrying out locking to mandrel main body 41
Locking is completed, coiler latch assembly 5 can be independently of mandrel main body 41, and its small volume, structure is simple, is being promoted
The complexity of the manufacture of mandrel main body 41 can also be reduced while locking degree of flexibility.
Further, in the present embodiment, coiler lockable mechanism 6 is used as connecting mandrel main body 41 and coiler locking cover
2 hinge can not only cooperate the latch 51 in mandrel main body 41 to complete the vehicle sense locking of coiler 100, can also match
Close the band sense locking that the latch 51 in mandrel main body 41 completes coiler 100.Wherein, vehicle sense locking is to pass through vehicle sense component
8 cooperate with coiler lockable mechanism 6, so that the latch 51 in mandrel main body 41 be made to complete the locking to mandrel main body 41；Band
Sense locking is that safety belt band moving mandrel's main body 41 rotates, and when 41 velocity of rotation of mandrel main body is accelerated, can be locked by coiler
The braking of locking mechanism 6 makes the latch 51 in mandrel main body 41 complete the locking to mandrel main body 41.
Specifically, in the present embodiment, in conjunction with shown in Fig. 2, Fig. 9 to Figure 11, coiler lockable mechanism 6 include: ratchet 61,
Inertial mass 62 and elastic component 63；Wherein, ratchet 61 is connected to the connecting pin of mandrel main body 41, and is socketed in coiler locking cover
On 2 locking wheel rim 22.As shown in Figure 10, the groove-like that ratchet 61 is provided in round, the radial end face of ratchet 61 are slot bottom,
The circumferential end faces of ratchet 61 are cell wall, the center of radial end face are provided with central shaft hole 64, and correspond to aforementioned, spine
The connecting pin of the mandrel main body 41 of 61 connection of wheel is the connecting pin 46 of first connecting portion 42, which protrudes from support frame 1
Position limiting structure 11 setting of ratchet 61 can be made to support thus after the connecting pin 46 is socketed on the central shaft hole 64 of ratchet 61
The outside of frame 1, and then ratchet 61 can be made to be mounted in the first accommodating cavity 211 of coiler locking cover 2.In the present embodiment,
Ratchet 61 is socketed on the locking wheel rim 22 of coiler locking cover 2 specifically, the circumferential end faces of ratchet 61 are socketed on locking wheel rim
22, locking wheel rim 22 is accommodated in the recess space of ratchet 61, to form locking space；And the circumferential end faces of ratchet 61 is interior
The outer peripheral surface of circumferential surface and locking wheel rim 22 close to.
In the present embodiment, as shown in Figure 10, central supported boss 65, connection are additionally provided on the radial end face of ratchet 61
Axis 66, limit support 67, limiting section 68 and limit sliding chutes 69；Wherein, central supported boss 65 centrally disposed axis hole 64
In circumferential end faces, and central supported boss 65 has recess cambered surface；Connecting shaft 66 is positioned close to the recessed of central supported boss 65
The position of cambered surface is fallen into, and there is therebetween the space of the central region of accommodating inertial mass 62, inertial mass 62 is by being located therein
On the rotatable radial end face for being located in ratchet 61 of the connecting shaft 66 in portion region.
In the present embodiment, it limits support 67 and limiting section 68 to be symmetrical arranged centered on central shaft hole 64, wherein limit
Support 67 includes spring retention posts 671 and support column 672, and the lower section of support column 672 is arranged in spring retention posts 671, and supports
Column 672 is column structure, and opposite spring retention posts 671 have tilt angle.Limiting section 68 includes the first limited block 681 and the
Two limited blocks 682 have clearance space between first limited block 681 and the second limited block 682.The setting of limit sliding chutes 69 is limiting
The avris of support 67, limit sliding chutes 69 can limit the movement of the latch 51 in mandrel main body 41, i.e., such as above-mentioned latch 51
On 52 one end of connecting column insertion limit sliding chutes 69 in, which can swing in limit sliding chutes 69.
In the present embodiment, the entirety of inertial mass 62 is arc-shaped, and the both ends of inertial mass 62 are respectively abutment end 621 and limitation
End 622, the setting of 621 relative limit support 67 of abutment end, limitation end 622 are located in limiting section 68, i.e., limitation end 622 is in the first limit
Clearance space between position block 681 and the second limited block 682 is swung.Limitation end 622 is column, and close to 61 inner peripheral surface of ratchet
Side be provided with dovetail groove.The central region of inertial mass 62 is arc support 623, is provided with out in arc support 623
Hole 6231, connecting shaft are inserted into the aperture, inertial mass are connected to ratchet 61, and inertial mass 62 passes through lonely shape support portion 623
It is connected on the central supported boss 65 of ratchet 61, has between inertial mass 62 and the inner peripheral surface of ratchet 61 and accommodate locking wheel rim 22
Space.Wherein, the end for limiting end 622 is set as locking tooth or prismatic protrusion, with the locking structure 221 with locking wheel rim 22
It matches, locking structure 221 can be locking tooth or lock groove.
In the present embodiment, the abutment end 621 of inertial mass 62 includes abutting column 6211 and positioning column 6212, abuts column 6211
Column cap be partially flat column, and small volume.The support column 672 for abutting column 6211 and limit support 67 is oppositely arranged；Positioning column
6212 are oppositely arranged with the spring retention posts 671 for limiting support 67.Elastic component 63 is the spring of column structure, one end of elastic component
It is fixed on limit support 67, the other end is connected to abutment end 621, and provides the elasticity far from limit support 67 to inertial mass 62
Power, specifically, positioning column 6212 is fixed in one end of spring, the other end is connected to spring retention posts 671, is compressed in spring
When, spring can provide the elastic force far from limit support 67 to abutment end 621.In mandrel 41 faster rotational speed of main body, abutment end
621 abutting column 6211 be connected to limit support 67 support column 672, while the positioning column 6212 of inertial mass 62 to limit support
67 671 direction of spring retention posts is drawn close, and when elastic component 63 is compressed, limitation end 622 radially protrudes from limiting section
68, and abutted with the locking structure 221 on locking wheel rim 22, to make ratchet 61 that can not continue to rotate；If 41 turns of mandrel main body
Dynamic, then connecting column 52 is moved along limit sliding chutes 69, drives latch 51 mobile to periphery, and the finally support with coiler 100
1 position limiting structure 11 engages on frame, to make mandrel main body 41 that can not continue to rotate.
The embodiment of the present application provides a kind of coiler lockable mechanism 6, comprising: ratchet 61, inertial mass 62 and elastic component 63；
Wherein, ratchet 61 is connected to the connecting pin of mandrel main body 41, and is socketed on the locking wheel rim 22 of coiler locking cover 2；Ratchet
Limit support 67 and limiting section 68 are provided on 61 radial end face；Inertial mass 62 is by being located therein the connecting shaft 66 in portion region
On the rotatable radial end face for being located in ratchet 61, the both ends of inertial mass 62 are respectively abutment end 621 and limitation end 622, are supported
Connect end 621 relative limit supports 67 setting, limitation end 622 is located in limiting section 68, the inner peripheral surface of inertial mass 62 and ratchet 61 it
Between have accommodate locking wheel rim 22 space；Limit support 67 is fixed in one end of elastic component 68, and the other end is connected to abutment end
621, and the elastic force far from limit support 67 is provided to inertial mass 62；When elastic component 63 is compressed, limitation end 622 is radially
Direction protrudes from limiting section 68, and abuts with the locking structure 221 on locking wheel rim 22, to make ratchet 61 that can not continue to turn
It is dynamic.6 structure of coiler lockable mechanism of the present embodiment is simple, and small volume is conducive to large quantities of to reduce manufacturing cost
Amount production.
The application provides a kind of coiler 100, comprising: mandrel main body 41, coiler latch assembly 5, coiler locking machine
Structure 6, and it is provided with the coiler locking cover 2 of locking wheel rim 22, wherein coiler latch assembly 5 includes latch 51 and sets
Set the connecting column 52 on latch 51；Latch 51 is arranged in the mounting groove 451 of the axial end face of mandrel main body 41, and with
Mandrel main body 41 rotates；Coiler lockable mechanism 6 includes ratchet 61 and the inertial mass 62 being arranged on the radial end face of ratchet, is used to
Property block 62 and the inner peripheral surface of ratchet 61 between have accommodate locking wheel rim 22 space；Ratchet 61 is connected to the company of mandrel main body 41
End 46 is connect, and is socketed on the locking wheel rim 22 of coiler locking cover 2；The limitation end 622 of inertial mass 51 is located at the limit of ratchet 61
Position portion 68；Connecting column 52 is along the limit sliding chutes 69 for being axially inserted into ratchet 61 of mandrel main body 41；Limit end 622 radially
Limiting section 68 is protruded from, and is abutted with the locking structure 221 on locking wheel rim 22, so that ratchet 61 can not continue to rotate, if core
Shaft body 41 rotates, then connecting column 52 is moved along limit sliding chutes 69, and it is mobile to periphery to drive latch 51, and finally and coiler
Position limiting structure 11 on 100 support frame 1 engages, to make mandrel main body 41 that can not continue to rotate.The latch of the present embodiment
51 are arranged in mandrel main body 41, locking can be completed by the movement of latch 51, so that the volume of mandrel main body 41 be made to subtract
Small, structure is simple；And inertial mass 62 is to can be completed by cooperating with the locking wheel rim 22 of coiler locking cover 2 to ratchet
61 locking reduces being separately provided for locking wheel rim 22, to optimize the structure of coiler 100.
In order to clearly demonstrate the working principle of coiler provided by the embodiments of the present application, below with reference to specific application
Scene is illustrated.
Application scenarios one: for running car on smooth road surface, occupant is with belt in vehicle, when automobile suddenly encounters
Emergency brake when barrier, at this point, the inertial mass 62 in coiler lockable mechanism 6 starts to move due to the effect by inertia force
Dynamic, i.e. the abutting column 6211 of the abutment end 621 of inertial mass 62 is connected to the support column 672 of limit support 67, while inertial mass 62
Positioning column 6212 to limit support 67 671 direction of spring retention posts draw close, when elastic component 63 is compressed, limit end 622
Limiting section 68 is radially protruded from, and is abutted with the locking structure 221 on locking wheel rim 22, to make ratchet 61 can not be after
Continuous rotation.After ratchet 61 no longer rotates, since occupant can be by the inertia of itself to drive safety belt, so that connection
The mandrel main body 41 of safety belt continues to rotate, so that the latch 51 being arranged in the mounting groove 451 of mandrel main body 41 continues to move
Dynamic, due to the movement of latch 51, then the connecting column 52 being connected on latch 51 is moved along limit sliding chutes 69, drives latch
51 is mobile to periphery, and finally engages with the position limiting structure 11 on the support frame 1 of coiler 100, to make 41 nothing of mandrel main body
Method continues to rotate, and then limits the sliding of safety belt, has ensured the safety of occupant.
Application scenarios two: for running car on non-smooth road surface, occupant is with belt in vehicle, when automobile is run suddenly
When winnowing with a dustpan, at this point, the limitation arm in vehicle sense component 8 is lifted by center of gravity ball, limitation arm is connected on the limiting tooth of 61 periphery of ratchet, from
It and continue to rotate ratchet 61 can not.After ratchet 61 no longer rotates, since occupant can be by the inertia of itself with by safety belt
It drives, so that the mandrel main body 41 of safety harness continues to rotate, so as to be arranged in the mounting groove 451 of mandrel main body 41
Latch 51 continue to move to, due to the movement of latch 51, be then connected to the connecting column 52 on latch 51 along limit sliding chutes
69 is mobile, it is mobile to periphery to drive latch 51, and finally engage with the position limiting structure 11 on the support frame 1 of coiler 100, from
And continue to rotate mandrel main body 41 can not, and then limit the sliding of safety belt, ensure the safety of occupant.
Although the application is disclosed as above with preferred embodiment, it is not for limiting the application, any this field skill
Art personnel are not departing from spirit and scope, can make possible variation and modification, therefore the guarantor of the application
Shield range should be subject to the range that the claim of this application defined.
Claims (15)
1. a kind of coiler characterized by comprising mandrel main body, coiler latch assembly, coiler lockable mechanism, and
It is provided with the coiler locking cover of locking wheel rim, wherein
The coiler latch assembly includes latch and the connecting column that is arranged on the latch；The latch setting exists
In the mounting groove of the axial end face of the mandrel main body, and with the mandrel body rotation；
The coiler lockable mechanism includes ratchet and the inertial mass that is arranged on the radial end face of the ratchet, the inertial mass
There is the space for accommodating the locking wheel rim between the inner peripheral surface of the ratchet；
The ratchet is connected to the connecting pin of the mandrel main body, and is socketed on the locking wheel rim of the coiler locking cover；
The limitation end of the inertial mass is located at the limiting section of the ratchet；The connecting column is described along being axially inserted into for the mandrel main body
In the limit sliding chutes of ratchet；
The limitation end radially protrudes from the limiting section, and abuts with the locking structure on the locking wheel rim, with
It continue to rotate the ratchet can not, if the mandrel body rotation, the connecting column are moved along the limit sliding chutes, drive
The latch is mobile to periphery, and finally engages with the position limiting structure on the support frame of coiler, to make the mandrel master
Body can not continue to rotate.
2. coiler according to claim 1, which is characterized in that the coiler latch assembly further include: elastic component, institute
The one end for stating elastic component is fixed on the connecting column, and the other end is connected to the mandrel main body, and Xiang Suoshu latch provides
To the elastic force of inner circumferential.
3. coiler according to claim 1, which is characterized in that the latch includes clamping portion and support portion, described
The week of support portion cooperates along with the slot bottom of the mounting groove, so that the latch be enable to slide in the mounting groove；Institute
It states clamping portion to be provided with towards the card interface outside mounting groove, be realized on the support frame with the coiler by the card interface
Position limiting structure engaging.
4. coiler according to claim 1, which is characterized in that the coiler lockable mechanism further include: elastic component, institute
The limit support of the ratchet is fixed in the one end for stating elastic component, and the other end is connected to the abutment end of the inertial mass, the bullet
Property part to the abutment end provide far from it is described limit support elastic force.
5. coiler according to claim 4, which is characterized in that the relatively described limit support setting of the abutment end, institute
Stating abutment end includes abutting column and positioning column；The support column of the abutting column and the limit support is oppositely arranged；The positioning
The spring retention posts of column and the limit support are oppositely arranged.
6. coiler according to claim 5, which is characterized in that the elastic component is the spring of column structure, the bullet
Positioning column is fixed in one end of spring, and one end is connected to the spring retention posts.
7. coiler according to claim 1, which is characterized in that the connection for the mandrel main body being connect with the ratchet
The end at end is set as the bowl-shape of protrusion, which can match with the bowl-shape shrinkage pool of the coiler locking cover；The connection
End is known as bowl-shape connecting pin.
8. coiler according to claim 7, which is characterized in that the end of the connecting pin opposite with the bowl-shape connecting pin
It is set as cone, which can match with the conical indents of corresponding cover；The connecting pin is known as taper connection end.
9. a kind of coiler mandrel, which is characterized in that the end of at least one connecting pin of the coiler mandrel is set as convex
Out bowl-shape, which can match with the bowl-shape shrinkage pool of corresponding cover；The connecting pin is known as bowl-shape connecting pin.
10. coiler mandrel according to claim 9, which is characterized in that the connecting pin opposite with the bowl-shape connecting pin
End be set as cone, which can match with the conical indents of corresponding cover；The connecting pin is known as taper company
Connect end.
11. coiler mandrel according to claim 9, which is characterized in that the end of the bowl-shape connecting pin is additionally provided with
The supporter of the end is protruded from along mandrel axial direction；
Correspondingly, the bottom of the bowl-shape shrinkage pool of cover corresponding with the end of the bowl-shape connecting pin, is additionally provided with central pit hole,
The central pit hole is for accommodating the supporter.
12. a kind of coiler mandrel, which is characterized in that the end of at least one connecting pin of the coiler mandrel is set as round
Cone, the end can be matched with the conical indents of corresponding cover；The connecting pin is known as taper connection end.
13. coiler mandrel according to claim 12, which is characterized in that the connecting pin opposite with the taper connection end
End be set as protrusion it is bowl-shape, which can match with the bowl-shape shrinkage pool of corresponding cover；The connecting pin is known as bowl
Shape connecting pin.
14. a kind of cover characterized by comprising be arranged in the bowl-shape shrinkage pool on the cover, the bowl-shape shrinkage pool can be with
The bowl-shape connecting pin that corresponding end is set as protrusion matches.
15. a kind of cover characterized by comprising be arranged in the conical indents on the cover, the conical indents can be with
The connecting pin that corresponding end is set as cone matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800998.6A CN110481491A (en) | 2019-08-28 | 2019-08-28 | Coiler, coiler mandrel and cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800998.6A CN110481491A (en) | 2019-08-28 | 2019-08-28 | Coiler, coiler mandrel and cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110481491A true CN110481491A (en) | 2019-11-22 |
Family
ID=68554732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910800998.6A Pending CN110481491A (en) | 2019-08-28 | 2019-08-28 | Coiler, coiler mandrel and cover |
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| Country | Link |
|---|---|
| CN (1) | CN110481491A (en) |
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| JP2018197009A (en) * | 2017-05-23 | 2018-12-13 | 芦森工業株式会社 | Seat belt retractor |
| CN109278699A (en) * | 2018-12-04 | 2019-01-29 | 沈阳金杯锦恒汽车安全系统有限公司 | A kind of coiler mandrel component and seat belt retractor |
| CN109591757A (en) * | 2018-11-26 | 2019-04-09 | 浙江顶昌汽车部件有限公司 | A kind of automobile safety belt retractor equipped with anti-locking device |
| CN211468388U (en) * | 2019-08-28 | 2020-09-11 | 浙江松原汽车安全系统股份有限公司 | Coiler and coiler mandrel |
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- 2019-08-28 CN CN201910800998.6A patent/CN110481491A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728856Y (en) * | 2004-09-17 | 2005-09-28 | 叶坚信 | Safety belt rolling apparatus |
| CN201065102Y (en) * | 2007-06-11 | 2008-05-28 | 吕巍 | Coiler device for automobile safety belt |
| CN104590201A (en) * | 2013-10-30 | 2015-05-06 | 比亚迪股份有限公司 | Belt induction sensitive device of safety belt retractor and safety belt retractor |
| CN206633966U (en) * | 2017-04-06 | 2017-11-14 | 宁波振华汽车零部件有限公司 | Safe strap bolt |
| JP2018197009A (en) * | 2017-05-23 | 2018-12-13 | 芦森工業株式会社 | Seat belt retractor |
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