CN105459949B - Ribbon coiler - Google Patents
Ribbon coiler Download PDFInfo
- Publication number
- CN105459949B CN105459949B CN201410432246.6A CN201410432246A CN105459949B CN 105459949 B CN105459949 B CN 105459949B CN 201410432246 A CN201410432246 A CN 201410432246A CN 105459949 B CN105459949 B CN 105459949B
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- CN
- China
- Prior art keywords
- ribbon
- wind spring
- belt reel
- coil spring
- wall thickness
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
A kind of ribbon coiler for winding ribbon, comprising: belt reel can be wound with ribbon thereon；Wind spring component, it is connected to being capable of fixing on the frame of ribbon coiler, and including wind spring shell, coil spring seat and wind spring, coil spring seat and wind spring are located at the inside of wind spring shell, coil spring seat is configured to for wind spring being maintained in wind spring shell, and wind spring is the springs of coiling and is connected with belt reel to transmit torque；The hole that wherein one end of belt reel passes through coil spring seat is fixedly connected to the positioning region on the side of wind spring shell, and there are annular gaps between belt reel and coil spring seat；Wind spring shell has the reduced wall thickness section of recess, and reduced wall thickness section can be occured bending and deformation when ribbon applies active force on belt reel at least partly to absorb the impact alleviated and be transmitted on wind spring shell from belt reel.Ribbon winder structure of the invention is simple and manufactures low with maintenance cost.
Description
Technical field
Generally a kind of ribbon coiler for winding ribbon of the present invention, ribbon is, for example, belt-strap.
Background technique
The ribbon coiler 10 of the prior art is for furling belt-strap, and including wind spring component and belt reel 19,
Wind spring component generally includes wind spring shell 11, wind spring 13 and coil spring seat 15, and the hole that 19 one end of belt reel passes through coil spring seat 15 positions
In the positioning hole seat 111 on wind spring shell 11.Due to the requirement of leakproofness, between the annular between coil spring seat 15 and belt reel 19
Gap must be very small.And wind spring component is usually fixed on coiler 10 by the claw on wind spring shell 11 or coil spring seat 15
Frame 17 on.When retractor braid stress is drawn out, ribbon drives belt reel 19 to move, and belt reel 19 passes through active force
Positioning hole seat 111 on coil spring seat 15 and wind spring shell 11 passes to wind spring component.When active force is excessive, nest spring will lead to
Claw between part and frame 17 bore large impact and was broken, so that coiler fails.The displacement of belt reel 19 at this time
Also relatively large.Ensure belt reel 19 there is larger motion profile to be extremely important for coiler latch functions.Coiler lock
Only function refers under the action of ribbon, and belt reel 19 is contacted as ribbon is moved with frame 17, to prevent ribbon from continuing
It is drawn out.
In addition, in order to avoid belt reel 19 and coil spring seat 15 are in contact to transfer the force to wind spring component, usually
The pore size of coil spring seat is increased, but if pore size is too big, the annular gap between belt reel 19 and coil spring seat 15 is just
Bigger, then sealing performance is poorer, and then influences the working performance of entire wind spring component.
In order to solve above-mentioned technological deficiency spring reset structure is arranged on wind spring component to be oriented to belt reel in the prior art
19 movement, while avoiding transmitting excessive impact.But structure is complicated and manufactures and maintenance cost is higher for spring reset.
Summary of the invention
For the technological deficiency of the above-mentioned prior art, the present invention provides a kind of ribbon coiler for winding ribbon, institute
Stating ribbon coiler includes:
Belt reel can be wound with ribbon thereon；
Wind spring component, the wind spring component are connected on the frame of the ribbon coiler with being capable of fixing, and including
Wind spring shell, coil spring seat and wind spring, wherein the coil spring seat and the wind spring are located at the inside of the wind spring shell, the volume
Spring abutment is configured to for the wind spring being maintained in the wind spring shell, the wind spring be coiling springs and with it is described
Belt reel is connected to transmit torque；
The hole that wherein one end of the belt reel passes through the coil spring seat is fixedly connected to the side of the wind spring shell
On positioning region, there are annular gaps between the belt reel and the coil spring seat；
The wind spring shell has reduced wall thickness section, and the reduced wall thickness section can be when the ribbon is in the winding
It occurs bending and deformation when applying active force on cylinder and the wind spring is transmitted to by the belt reel at least partly to absorb and alleviate
Impact on shell.
Optionally, the reduced wall thickness section is adjacent to the positioning region.
Optionally, muscle portion is equipped between the adjacent reduced wall thickness section in multiple reduced wall thickness sections,
The thickness of the muscle portion is greater than the thickness of the reduced wall thickness section, and the orientation of the muscle portion is arranged to and acts on the volume
The direction of the active force of spring shell is not overlapped.
Optionally, the multiple wall thickness reduces part around the positioning region circumferentially.
Optionally, sealing ring is set on described one end of the belt reel, the sealing ring is located at the coil spring seat
It leans between the wind spring and with the coil spring seat and contacts, to seal the institute between the coil spring seat and the belt reel
State annular gap.
Optionally, the contact portion of the sealing ring and the coil spring seat by complementary biases, so that corresponding described
Contact portion suitably abutting contact.
Optionally, the ribbon is automotive safety band ribbon.
Optionally, the positioning region is the positioning hole seat that the center side is arranged in.
Optionally, the coil spring seat is annular slab.
A kind of includes the motor vehicles of ribbon coiler for safety belt, according to the present invention.
In the present invention, subtracting least a portion of coiler with wall thickness can effectively buffer and reduce by belt reel bring
To wind spring component and the impact to the interconnecting piece between wind spring component and frame in turn, while belt reel is enabled to have again
There is the biggish motion profile of displacement to ensure coiler Locking property.
In addition, in the present invention, the coiler with sealing ring can avoid belt reel and coil spring seat from being in contact
In the case of ensure good sealing performance,
Ribbon winder structure of the invention is simple and manufactures low with maintenance cost.
These features and various auxiliary that those skilled in the art can be readily conceivable that from the following detailed description of book
Setting and feature, the preferred embodiments of the invention only provide by way of examples referring to attached drawing.
Detailed description of the invention
Fig. 1 is the cross-sectional view according to the ribbon coiler 10 of the prior art；
Fig. 2 is the cross-sectional view of ribbon coiler 20 according to the present invention；
Fig. 3 is the perspective view of the sealing ring 26 in Fig. 2；
Fig. 4 is the plane of constraint figure of ribbon coiler 20；
The cross-sectional view that Fig. 5 is intercepted for the line A-A along Fig. 4.
Component or feature as shown here are indicated using appended drawing reference in the drawings, and identical in the accompanying drawings
Appended drawing reference indicate in the same or similar component or feature.
Specific embodiment
Fig. 2 shows according to the present invention for furling the ribbon coiler 20 of belt-strap.Ribbon coiler 20 includes
The belt reel 29 of belt-strap is wound thereon and for providing the wind spring component of torsion.One end of the belt reel 29 passes through institute
The centre bore for stating coil spring seat 25 is fixedly contained in the positioning region 211 on the side of the wind spring shell 21, which can
To be formed as positioning hole seat.The wind spring component includes wind spring shell 21, coil spring seat 25 and wind spring 23, and usually by rolling up
The claw of spring shell 21 or coil spring seat 25 is on the frame 31 for being fixedly connected to the ribbon coiler 20, naturally it is also possible to logical
It crosses other modes and realizes the connection.The inside of the wind spring shell 21 is arranged in coil spring seat 25 and the wind spring 23.Coil spring seat 25
The wind spring 23 can be maintained inside the wind spring shell 21.
There are annular gap between the belt reel 29 and the coil spring seat 25, the size of the annular space is enough to prevent
Belt reel 29 is in contact with coil spring seat 25 when ribbon coiler 20 works.Meanwhile in order to guarantee sealing performance, in belt reel
Sealing ring 26 is set with to substantial close on 29 one end.As shown in figure 3, sealing ring 26 is plate-like piece.Sealing ring 26 is located at wind spring
It is held against between seat 25 and wind spring 23 and with coil spring seat 25 and contacts to seal the annular gap.It is pulled out from belt reel 19
When ribbon, sealing ring 26 is with the movement of belt reel 19 and keeps sliding contact with coil spring seat 25 simultaneously.Preferably, coil spring seat 25 can
Think annular slab.
Preferably, as shown in Figures 2 and 4, the contact portion of coil spring seat 25 and sealing ring 26 can be complementary bias so as to
It is suitably kept in contact, this sealing for being more convenient for realizing annular gap.
The wind spring 23 can for coiling springs and can for example pass through hook in its center and the volume
Band cylinder 29 is connected, to transmit torque.
The wind spring shell has the reduced wall thickness section 24 of recess.Reduced wall thickness section 24 is arranged in wind spring shell 21
It is preferably neighbouring with positioning hole seat 211 on side.The thickness of reduced wall thickness section 24 is less than the wall thickness of wind spring shell 21, thickness
Reducing part 24 can form by the part wall thickness of cutout wind spring shell 21 or by other technologies means such as moldings.Work as ribbon
When stress is drawn out belt reel 29, ribbon drives belt reel 29 to move, and belt reel 29 will receive the directed force F of ribbon, belt reel
The directed force F is passed to wind spring shell 21 by positioning hole seat 211 by 29.Part 24 is reduced when directed force F acts through wall thickness
When, relative to the other parts of wind spring shell 21, wall thickness reduces part 24 and apparent bending deformation occurs.Certainly, directed force F
Direction can intersect along any other direction as long as reducing part 24 with wall thickness.Thus wall thickness reduce part 24 to by
Buffer function is played in the impact of 29 bring of belt reel, and at the same time playing guiding role to the motion profile of belt reel 29, this is kept away
Exempt from the large impact of crossing from belt reel 20 to be transmitted to wind spring component and reach wind spring component and ribbon coiler 20 in turn
Link position between frame 31, so that wind spring component be prevented to be broken from frame by large impact.It also ensures that simultaneously
Belt reel 29 has biggish motion profile, with the frame 31 with ribbon coiler 20 is in contact and prevents ribbon from continuing quilt
It pulls out, is achieved in coiler latch functions.
Preferably, as illustrated in figures 4-5, circumferential symmetrically around positioning hole seat 211 on the lateral surface of wind spring shell 21
If there are two reduced wall thickness sections 24, muscle portion 42 is formed between two reduced wall thickness sections 24, the thickness of muscle portion 42 is greater than wall
Thickness reduces the thickness of part 24.Optionally, a plurality of radial ribs 41 and multiple is additionally provided on the lateral surface of wind spring shell 21
Circumferential ribs 40, for strengthening the intensity of wind spring shell 21.
When directed force F reduces part 24 by the wall thickness on top, directed force F can resolve into orthogonal first point
Measure F1 and second component F2, wherein the first component F 1 and muscle portion 42 are perpendicular, second component F2 along muscle portion 42 direction.Due to
The thickness of muscle portion 42 is greater than reduced wall thickness section 24, so deformation of the wind spring shell 21 in the first component F 1 is greater than second
Deformation in component F 2, the reduced wall thickness section 24 on top can occur significantly to deform.And belt reel 29 will be mainly along
The direction of one component F 1 moves.
In the present invention, the shape, quantity of reduced wall thickness section 24, position and arrangement are not limited to Figure 4 and 5 institute
The embodiment shown, can according to need and select, such as position can be separate with positioning hole seat 21, the number of reduced wall thickness section 24
Amount can be one or more than two, can also be symmetrical in the circumferential, asymmetric, uniform or anisotropically arrange.
Although the present invention is described for specific embodiment, for those of ordinary skill in the art
Come it is evident that other embodiments within the scope of the present invention.Therefore, different changes and modification can be carried out without departing from this
The scope and spirit of invention.For example, different components can be relocated as needed.In addition, and non-required all features, side
Face and advantage practice the present invention.Correspondingly, the scope of the present invention is intended to be only to be limited by the following claims.
Claims (10)
1. a kind of ribbon coiler (20) for winding ribbon, the ribbon coiler include:
Belt reel (29), can be wound with ribbon thereon；
Wind spring component, the wind spring component are connected on the frame (31) of the ribbon coiler (20) with being capable of fixing, and
Including wind spring shell (21), coil spring seat (25) and wind spring (23), wherein the coil spring seat (25) and the wind spring (23) are located at
The inside of the wind spring shell (21), the coil spring seat (25) are configured to the wind spring (23) being maintained at the wind spring shell
(21) in, the wind spring (23) is the springs of coiling and is connected with the belt reel (29) to transmit torque；
The hole that wherein one end of the belt reel (29) passes through the coil spring seat (25) is fixedly connected to the wind spring shell
(21) positioning region (211) on side, there are annular gaps between the belt reel (29) and the coil spring seat (25)；
Wherein the wind spring shell (21) has the reduced wall thickness section (24) of recess, and the reduced wall thickness section (24) can work as
The ribbon occurs bending and deformation when applying active force on the belt reel (29) at least partly to absorb and alleviate by institute
State the impact that belt reel (29) is applied on the wind spring shell (21).
2. ribbon coiler according to claim 1, wherein the reduced wall thickness section (24) is adjacent to the positioning region
(211)。
3. ribbon coiler according to claim 1, wherein adjacent in multiple reduced wall thickness sections (24)
Muscle portion (42) are equipped between the reduced wall thickness section (24), the thickness of the muscle portion (42) is greater than the reduced wall thickness section
(24) orientation of thickness, the muscle portion (42) is arranged to and acts on the side of the active force (F) of the wind spring shell (21)
To not being overlapped.
4. ribbon coiler according to claim 3, wherein the multiple wall thickness reduces part (24) around described fixed
Position portion (211) arranges circumferentially spacedly.
5. ribbon coiler according to claim 1, wherein being set on described one end of the belt reel (29) close
Seal ring (26), the sealing ring (26) between the coil spring seat (25) and the wind spring (23) and with the coil spring seat
(25) lean contact, to seal the annular gap between the coil spring seat (25) and the belt reel (29).
6. ribbon coiler according to claim 5, wherein the contact of the sealing ring (26) and the coil spring seat (25)
Part is biased complementaryly, so that the contact portion suitably abutting contact accordingly.
7. ribbon coiler according to claim 1, wherein the ribbon is automotive safety band ribbon.
8. ribbon coiler according to claim 1, wherein the center side is arranged in the positioning region (211)
Position hole seat.
9. ribbon coiler according to claim 1, wherein the coil spring seat (25) is annular slab.
10. a kind of includes the motor vehicle of ribbon coiler for belt-strap, as claimed in any one of claims 1-9 wherein
?.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432246.6A CN105459949B (en) | 2014-08-29 | 2014-08-29 | Ribbon coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432246.6A CN105459949B (en) | 2014-08-29 | 2014-08-29 | Ribbon coiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105459949A CN105459949A (en) | 2016-04-06 |
| CN105459949B true CN105459949B (en) | 2019-05-17 |
Family
ID=55598247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432246.6A Active CN105459949B (en) | 2014-08-29 | 2014-08-29 | Ribbon coiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105459949B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07291094A (en) * | 1994-04-28 | 1995-11-07 | Nippon Seiko Kk | Retracter for seat belt |
| CN1233571A (en) * | 1998-04-30 | 1999-11-03 | 株式会社星宇 | Tension reducer of retractor for automobile safety seat belt |
| CN1537754A (en) * | 2003-02-28 | 2004-10-20 | TRW�����ɷ�����˾ | Band roll-up device having tension adjusting unit |
| WO2014007092A1 (en) * | 2012-07-02 | 2014-01-09 | 芦森工業株式会社 | Seat belt retractor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6863235B2 (en) * | 2002-01-17 | 2005-03-08 | Key Safety Systems, Inc. | Mechanical shifting of multi-load retractor |
| US7631830B2 (en) * | 2006-04-17 | 2009-12-15 | Key Safety Systems, Inc. | Retractor with rotary rack pretensioner |
-
2014
- 2014-08-29 CN CN201410432246.6A patent/CN105459949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07291094A (en) * | 1994-04-28 | 1995-11-07 | Nippon Seiko Kk | Retracter for seat belt |
| CN1233571A (en) * | 1998-04-30 | 1999-11-03 | 株式会社星宇 | Tension reducer of retractor for automobile safety seat belt |
| CN1537754A (en) * | 2003-02-28 | 2004-10-20 | TRW�����ɷ�����˾ | Band roll-up device having tension adjusting unit |
| WO2014007092A1 (en) * | 2012-07-02 | 2014-01-09 | 芦森工業株式会社 | Seat belt retractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105459949A (en) | 2016-04-06 |
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