CN205890824U - Webbing retractor - Google Patents
Webbing retractor Download PDFInfo
- Publication number
- CN205890824U CN205890824U CN201620860306.9U CN201620860306U CN205890824U CN 205890824 U CN205890824 U CN 205890824U CN 201620860306 U CN201620860306 U CN 201620860306U CN 205890824 U CN205890824 U CN 205890824U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- energy management
- spool
- safety belt
- fixed
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Automotive Seat Belt Assembly (AREA)
Abstract
The utility model discloses a webbing retractor, include: the spool of being installed the frame has the tubulose shaft part, the one end of safety belt is fixed at the shaft part, the other end is according to conventional mode by the fixed restraint system that arrives, the ratchet is adjacent by fixed second section with the torsion bar, the casing passes the hole by the fixed frame that arrives through the post, the casing includes urgent locking device of safety belt and the urgent locking device of vehicle, the energy management device is connected to the spool with the ratchet, the urgent locking device of operation safety belt is allowwed to the mode conversion device under non - activation mode, and when the safety belt produce on the energy management device load when arousing that the energy management device exceeds standard the automatic switch -over arrive the locking mode, make the safety belt twine the spool, the locking ratchet prevents that the safety belt from deviating from, the utility model discloses the problem and the beneficial effect that solve are: shift some impact energy and give the coiler, and it has ability of forbidding webbing retractor when the absorptive energy of energy management device exceedes the maximum permissible limit.
Description
Technical field
This utility model is related to a kind of safety restraint system for motor vehicles and in particular to Webbing retractor.
Background technology
It is typically different Webbing retractor and potentially includes energy management apparatus, it absorbs during colliding and is shifted by seat belt
To the passenger on seat, such as some energy management coilers include a torsion bar to the portion of energy coming over, and it is solid that it has first end
It is scheduled on spool, during colliding, locking device engages the second end of torsion bar, therefore, is applied to seat belt by seat occupant
Impulsive force is transferred to spool so that torsion bar is with respect to the second end deformation latched, and such torsion bar transverse strength leads to spool
Additional rotation amount is controlled in a limited degree, correspondingly it is allowed to the safe ribbon amount of adnexa will be extracted out in coiler, controls
Add-on security band is deviate from.
Content of the invention
The technical problems to be solved in the utility model be transfer part impact energy to coiler, and work as energy management apparatus
When the energy absorbing exceedes the maximum allowable limit, it has the ability of disabling Webbing retractor.
In order to solve above-mentioned technical problem, this utility model using technical scheme is: Webbing retractor.
Webbing retractor, comprising: the spool being installed to framework has tubulose shaft part, and one end of seat belt is fixed on
Shaft part, the other end is fixed to restraint system in the usual way, and ratchet is fixed adjacent with the second segment of torsion bar, and housing passes through
Post is fixed to framework through hole, and housing includes seat belt emergency lock device and the urgent locking device of vehicle, and energy management fills
Put and ratchet is connected to spool, mode conversion device allows safe operation band emergency lock device under inactive mode, and work as
Seat belt produces on energy management apparatus and automatically switches to locking mode when load causes energy management apparatus exceeded so that pacifying
Full band winding, to spool, locks ratchet to prevent seat belt from deviating from.
Described mode conversion device includes locking ratchet, the first spring, cam pack and timing element, and ratchet is in solution lock-bit
Put removable and latched position between, the first spring promotes ratchet to unlocked position, and cam pack includes a cam member and cam
Driven member, timing element is driven for cam member is proportional to the surrender degree of energy management apparatus by ratchet, works as energy pipe
The surrender degree of reason device exceedes during the maximum allowable limit so that cam member movement leads to cam follower to move.
Advantage to be solved in the utility model and beneficial effect are: transfer part impact energy is to coiler, and works as energy
When the energy that managing device absorbs exceedes the maximum allowable limit, it has the ability of disabling Webbing retractor.
Brief description
Accompanying drawing 1: the exploded perspective view of Webbing retractor.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further: Webbing retractor, including being installed to framework (4)
Spool (5) there is tubulose shaft part (6), one end of seat belt (7) is fixed on shaft part (6), and the other end is consolidated in the usual way
Surely arrive restraint system, ratchet (10) is adjacent with the second segment (11) of torsion bar (8) by fixation, and housing (12) is passed through by post (13)
Hole (14) is fixed to framework (4), and housing (12) includes seat belt emergency lock device (1) and the urgent locking device of vehicle (2),
Ratchet (10) is connected to spool (5) by energy management apparatus (9), and mode conversion device (3) allows to operate under inactive mode
Seat belt emergency lock device (1), and when seat belt (7) causes energy management to fill in energy management apparatus (9) upper generation load
Put (9) exceeded when automatically switch to locking mode so that seat belt (7) is wound into spool (5), locking ratchet (10) is preventing from pacifying
Band (7) abjection entirely, described mode conversion device (3) includes lock ratchet (15), the first spring (16), cam pack (17) and determines
When element (20), ratchet (15) is removable between unlocked position and latched position, the first spring (16) promote ratchet (15) to
Unlocked position, cam pack (17) includes a cam member (18) and cam follower (19), and timing element (20) is by ratchet (10)
Drive for cam member (18) is proportional to the surrender degree of energy management apparatus (9), when the surrender of energy management apparatus (9)
Degree exceedes during the maximum allowable limit so that cam member (18) movement leads to cam follower (19) mobile.
Claims (2)
1. Webbing retractor, comprising: the spool (5) being installed to framework (4) has a tubulose shaft part (6), the one of seat belt (7)
End is fixed on shaft part (6), and the other end is fixed to restraint system in the usual way, and ratchet (10) is by fixing and torsion bar (8)
Second segment (11) adjacent, housing (12) passes through hole (14) to be fixed to framework (4) by post (13), housing (12) inclusion safety
Band emergency lock device (1) and the urgent locking device of vehicle (2), ratchet (10) is connected to spool by energy management apparatus (9)
(5), mode conversion device (3) allows safe operation band emergency lock device (1) under inactive mode, and works as seat belt (7)
Energy management apparatus (9) are caused to automatically switch to locking mode when exceeded so that pacifying in energy management apparatus (9) upper generation load
Full band (7) is wound into spool (5), locks ratchet (10) to prevent seat belt (7) from deviating from.
2. Webbing retractor according to claim 1 it is characterised in that: described mode conversion device (3) includes lock
Ratchet (15), the first spring (16), cam pack (17) and timing element (20), ratchet (15) is in unlocked position and latched position
Between removable, the first spring (16) promotes ratchet (15) to unlocked position, cam pack (17) include a cam member (18) and
Cam follower (19), timing element (20) is driven for by cam member (18) and energy management apparatus (9) by ratchet (10)
Surrender degree is proportional, when the surrender degree of energy management apparatus (9) exceedes the maximum allowable limit so that cam member (18) moves
Move and lead to cam follower (19) mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860306.9U CN205890824U (en) | 2016-08-10 | 2016-08-10 | Webbing retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860306.9U CN205890824U (en) | 2016-08-10 | 2016-08-10 | Webbing retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205890824U true CN205890824U (en) | 2017-01-18 |
Family
ID=57781654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860306.9U Expired - Fee Related CN205890824U (en) | 2016-08-10 | 2016-08-10 | Webbing retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205890824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662674A (en) * | 2017-05-24 | 2020-01-07 | Trw汽车股份有限公司 | Seat belt retractor and method for controlling a seat belt retractor |
-
2016
- 2016-08-10 CN CN201620860306.9U patent/CN205890824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662674A (en) * | 2017-05-24 | 2020-01-07 | Trw汽车股份有限公司 | Seat belt retractor and method for controlling a seat belt retractor |
| CN110662674B (en) * | 2017-05-24 | 2022-09-23 | Trw汽车股份有限公司 | Seat belt retractor and method for controlling a seat belt retractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20170810 |