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CN109591757A - A kind of automobile safety belt retractor equipped with anti-locking device - Google Patents

A kind of automobile safety belt retractor equipped with anti-locking device Download PDF

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Publication number
CN109591757A
CN109591757A CN201811416672.5A CN201811416672A CN109591757A CN 109591757 A CN109591757 A CN 109591757A CN 201811416672 A CN201811416672 A CN 201811416672A CN 109591757 A CN109591757 A CN 109591757A
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CN
China
Prior art keywords
sense
vehicle
mandrel
vehicle sense
band
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Granted
Application number
CN201811416672.5A
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Chinese (zh)
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CN109591757B (en
Inventor
王福慧
冯军杰
周武建
杨宝成
夏毓麟
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Prosperous Automobile Component Co Ltd Is Pushed Up In Zhejiang
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Prosperous Automobile Component Co Ltd Is Pushed Up In Zhejiang
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Priority to CN201811416672.5A priority Critical patent/CN109591757B/en
Publication of CN109591757A publication Critical patent/CN109591757A/en
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Publication of CN109591757B publication Critical patent/CN109591757B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/48Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/48Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808Sensing means arrangements therefor

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

The invention discloses a kind of automobile safety belt retractor equipped with anti-locking device, including coiler ontology and with feeling anti-locking device;Coiler ontology includes fixed shell, mandrel, latch assembly and inertial mass;Mandrel and fixed shell rotation connection, latch assembly are connect with mandrel, and fixed shell is equipped with the first handle ratchet wheel portion, and inertial mass is equipped with locking ratchet and arc groove, and locking ratchet is adapted to the first handle ratchet wheel portion;It includes that band feels driving gear, band sense driven gear and with sense lock gear that band, which feels anti-locking device,;Band sense lock gear is equipped with band sense arc convex, and band sense arc convex is adapted to arc groove.It the present invention provides a kind of automobile safety belt retractor equipped with anti-locking device, can avoid the latch functions of safety belt by false triggering under normal operating condition, while latch functions can be normally-open in unexpected situations, guarantee occupant safety.

Description

A kind of automobile safety belt retractor equipped with anti-locking device
Technical field
The present invention relates to car belt technical fields, roll up more particularly, to a kind of car belt equipped with anti-locking device Receive device.
Background technique
Latch functions on automobile safety belt retractor can guarantee that vehicle encounters safety belt under fortuitous event and is not drawn out, To protect occupant.But latch functions can cause safety belt in normal use process by false triggering in many cases It is locked up, causes safety belt that can not pull out.When being in slope such as vehicle, the latch functions of safety belt can be triggered, and lead to occupant It is used after getting on the bus on the slope without pull-out safety belt;The seat belt retractor of back seat is mounted on by back, works as back seat After toppling over certain angle, the latch functions of safety belt can be triggered, and occupant is caused to use without safety belt is pulled out;Occupant sits on the seat Afterwards, if occupant pulls out the excessive velocities (greater than the upper limit value of coiler locking setting) of ribbon, the locking of safety belt is also resulted in Function triggering, safety belt are used without safety belt is pulled out.Above situation is all the normal operating condition of safety belt, but safety belt is rolled up The latch functions of device are received by false triggering, causes safety belt not to be available, is inconvenient.To solve the above-mentioned problems, it needs to design A kind of automobile safety belt retractor equipped with anti-locking device can avoid the latch functions quilt of safety belt under normal operating condition False triggering, in unexpected situations, latch functions can be normally-open, guarantee occupant safety.
Chinese patent application publication number CN101497333B, publication date is on 07 04th, 2012, entitled " to be used for seat The locking unit of belt retractor " discloses a kind of locking unit, the tape spool being wrapped about for seat harness to be arranged in An end seat belt retractor.When seat harness rapid deployment, locking unit of the invention pacifies seat Full locking, when seat harness is contracted, locking unit prevents seat harness to be locked up.Locking unit includes locking Arm is non-rotatably disposed to the central gear with axis center, starter toothed wheel and lock pin, when safety belt is contracted, lock Shotpin stops the locking protruding portion of lockup arm.But the device can not still solve the above problems.
Summary of the invention
The present invention in order to overcome the shortcomings in the prior art, provides a kind of car belt retracting equipped with anti-locking device Device can avoid the latch functions of safety belt by false triggering under normal operating condition, while latch functions in unexpected situations Can be normally-open, guarantee occupant safety.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of automobile safety belt retractor equipped with anti-locking device, including coiler ontology and with feeling anti-locking device;Coiler sheet Body includes fixed shell, mandrel, latch assembly and inertial mass;Mandrel and fixed shell rotation connection, latch assembly and mandrel connect It connects, fixed shell is equipped with the first handle ratchet wheel portion, and the first handle ratchet wheel portion is fixed with fixed shell, and inertial mass and latch assembly rotate Connection, inertial mass are equipped with locking ratchet and arc groove, and locking ratchet is adapted to the first handle ratchet wheel portion;Band feels anti-locking device Band sense driving gear, band feel driven gear and with sense lock gears;Band sense driving gear fixed with mandrel, band sense driving gear and Mandrel rotates coaxially;Band sense driven gear and fixed shell rotation connection, band sense driven gear are engaged with sense driving gear;Band Feel lock gear and mandrel is rotatablely connected, band sense lock gear is engaged with sense driven gear;Band sense lock gear is equipped with band Feel arc convex, band sense arc convex is adapted to arc groove.
By implementing above-mentioned technical proposal, the latch functions quilt that safety belt is avoided under the non-pull-out state of safety belt may be implemented False triggering, while latch functions can be normally-open in unexpected situations, guarantees the function of occupant safety.Latch assembly is equipped with Position limiting structure guarantees that limited block can only rotate certain angle relative to latch assembly.Debugging before factory is in safety belt not When pull-out state, band sense arc convex is caught in arc groove, at this point, inertial mass is locked up, Bu Huixiang even if quickly pulling safety belt It is mobile to latch assembly, therefore latch assembly latch functions will not be made to trigger.When safety belt pulls out, band sense driving tooth rotation is driven It is dynamic, it is transmitted by gear, drives band sense lock gear rotation, band sense arc convex is slowly detached from arc groove;Safety belt pulls out one (it is slightly less than the minimum value that safety belt normal use pulls out length) when measured length, band sense arc convex completely disengages arc groove, this When band feel anti-lock failure of apparatus;If later continue quickly pull safety, safe tape speed be more than limit value, inertial mass can due to from Mental and physical efforts are thrown away outward, contact locking ratchet with the first handle ratchet wheel portion, and latch assembly can not rotate, to make mandrel can not be after Continuous rotation, safety belt latch functions are triggered, and when realizing that safety belt is in operating position, latch functions can be opened in unexpected situations The function of opening.With the multiple gears for feeling anti-locking device by the setting of gear ratio, guarantee that safety belt be not pulled out to work Before position, band sense arc convex is stuck in arc groove, anti-lock function triggering;Safety belt is at operating position, band sense arc convex It is detached from arc groove, latch functions can be normally triggered.
Preferably, the fixed shell is equipped with the second handle ratchet wheel portion;Latch assembly includes external tooth disk, the first compression Spring, the second compressed spring and main lock piece;External tooth disk and mandrel are rotatablely connected, the rotation axis of external tooth disk and turning for mandrel Moving axis is overlapped, and main lock piece is slidably connected with mandrel, and one end of the first compressed spring is connect with external tooth disk, the first compressed spring The other end connect with mandrel, one end of the second compressed spring is connect with external tooth disk, the other end of the second compressed spring and used Property block connection, external tooth disk be equipped with sliding groove;Main lock piece is equipped with sliding axle and main lock ratchet, sliding axle can be in sliding grooves Interior sliding;Main lock ratchet is adapted to the second handle ratchet wheel portion.
The main lock piece can only be slided along the diametrical direction of mandrel, the locking ratchet of inertial mass and the first handle ratchet wheel portion When contact, external tooth disk can not be continued to rotate, and mandrel can still continue to rotate certain angle, and main lock piece is driven to continue to rotate, The sliding axle of main lock piece is slided along sliding groove at this time, and main lock piece is mobile to the diameter outside relative to mandrel, main lock ratchet It is contacted with the second handle ratchet wheel portion, by main lock piece locking, main lock piece blocks mandrel, rotate mandrel can not, thus realization pair The latch functions of safety belt.First compressed spring can guarantee locking ratchet and the first handle ratchet wheel portion not in contact with when, external tooth circle Disk can be rotated together with mandrel, and main lock piece retracts.Second compressed spring guarantee mandrel revolving speed be less than setting value when, inertial mass It will not be thrown away by centrifugal force, locking ratchet will not be contacted with the first handle ratchet wheel portion.
Preferably, the fixed shell includes solid shell ontology and fixed lid, Gu shell ontology and fixed lid are fixed, in second Ratchet portion is arranged on solid shell ontology;Fixed lid includes end cap portions and outer ring rampart portion, and the first handle ratchet wheel portion is arranged in outer ring It is fixed inside wall portion and with end cap portions.
Preferably, the inertial mass is equipped with rotation hole, external tooth disk is equipped with inertia rotation axis, rotation hole and inertia Rotation axis adaptation, inertial mass connects by inertia rotation axis with external tooth disk rotational, rotation hole be arranged in the second compressed spring and Between locking ratchet.The inertial mass center of gravity is close to locking ratchet side, and when external tooth disk rotational, inertial mass is around inertia rotation axis Rotation, inertial mass are equipped with the side that the side of locking ratchet is contacted far from external tooth circle disk center, inertial mass with the second compressed spring Close to external tooth circle disk center.
Preferably, the inertial mass is equipped with spring card slot, external tooth disk is equipped with spring support, the second compressed spring It is connect by spring card slot with inertial mass, the second compressed spring is connect by spring support with external tooth disk.
Preferably, the mandrel is equipped with axle sleeve, axle sleeve is fixed with mandrel, and band sense driving gear passes through axle sleeve and mandrel Fixed, band sense lock gear is rotatablely connected by axle sleeve and mandrel.The structure can be reduced the structural complexity of mandrel, reduces and adds Work cost.
Preferably, the coiler ontology further includes vehicle sense component, vehicle sense component include vehicle sensing rack, vehicle sense heavy ball and Vehicle sense arm, vehicle sensing rack are fixed with fixed shell, and vehicle sense arm and vehicle sensing rack are rotatablely connected, and vehicle sense heavy ball is arranged in vehicle sensing rack Between vehicle sense arm, vehicle sensing rack is equipped with inclined surface, vehicle sense heavy ball and inclination face contact, vehicle sense heavy ball and vehicle sense arm contact, vehicle Feel arm and be equipped with vehicle sense ratchet, latch assembly is equipped with outer ratchet, and vehicle sense ratchet is adapted to outer ratchet.
When the vehicle sense component can guarantee that vehicle is under improper posture, latch functions triggering.When vehicle attitude deviates Zone of reasonableness (such as tilt, turn on one's side and topple) or in accelerate and turning etc. driving status when, vehicle sense heavy ball due to inertia make With, it changes with the relative position of vehicle sensing rack, and then change the position of vehicle sense arm, contacts vehicle sense arm with vehicle sense ratchet, External tooth disk can not continue to rotate, and trigger latch functions.The outer ratchet is arranged on external tooth disk.
Preferably, further including the anti-locking device of vehicle sense, the anti-locking device of vehicle sense includes vehicle sense driving gear, vehicle sense driven gear With vehicle sense spreadet spreadet wheel;Vehicle sense driving gear is fixed with mandrel, and vehicle sense driving gear is rotated coaxially with mandrel;Vehicle sense driven gear With fixed shell rotation connection, vehicle sense driven gear is engaged with vehicle sense driving gear;Vehicle sense spreadet spreadet wheel and fixed housing into rotation Connection, vehicle sense spreadet spreadet wheel are engaged with vehicle sense driven gear;Vehicle sense spreadet spreadet wheel is equipped with vehicle sense arc convex, and fixed cover sets There is the anti-lock notch of vehicle sense;When vehicle sense arc convex is overlapped with the anti-lock notch of vehicle sense, vehicle sense arm is lifted, vehicle sense arc convex and vehicle Feel ratchet contact, has gap between vehicle sense ratchet and outer ratchet.
The anti-locking device of vehicle sense can limit vehicle sense component, prevent when safety belt is in and does not pull out state Latch functions are triggered.Debugging before factory, safety belt are anti-lock scarce in being located at, vehicle sense arc convex when not pulling out state Mouthful, the arc convex of vehicle sense at this time contacts with vehicle sense ratchet, has gap between vehicle sense ratchet and outer ratchet, can not trigger locking function Energy.When safety belt pulls out, band motor-car sense driving gear is transmitted by gear, and band motor-car sense lock gear rotates, and vehicle sense arc is convex It rises and slowly leaves anti-lock notch;(it is slightly less than the minimum that safety belt normal use pulls out length when safety belt pulls out certain length Value), vehicle sense arc convex can not block vehicle sense ratchet, and vehicle sense ratchet can be contacted with outer ratchet, and the anti-locking device of vehicle sense at this time loses Effect;Later when vehicle attitude deviates zone of reasonableness (such as tilt, turn on one's side and topple) or in the driving status such as acceleration and turning When, vehicle sense heavy ball is changed due to effect of inertia with the relative position of vehicle sensing rack, and vehicle sense heavy ball is moved on inclined surface, Vehicle sense heavy ball and vehicle sense arm contact, and then change the position of vehicle sense arm, contact vehicle sense ratchet with outer ratchet, external tooth disk can not Rotation triggers latch functions.When the structure can make vehicle the states such as tilt forward and back or tilt on the slope, it still is able to Pull out the safety belt for not pulling out state.
The beneficial effects of the present invention are: (1) when safety belt does not pull out, can shield the locking function of seat belt retractor Energy;(2) safety belt is in running order constantly, and anti-locking device will not influence the latch functions of shielding seat belt retractor;(3) it locks Only component and anti-lock device performance are reliable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is in the present invention with the structural schematic diagram for feeling anti-locking device;
Fig. 3 is first partial structural schematic diagram of the invention;
Fig. 4 is the second partial structural diagram of the invention;
Fig. 5 is third partial structural diagram of the invention;
Fig. 6 is the 4th partial structural diagram of the invention;
Fig. 7 is the 5th partial structural diagram of the invention;
Fig. 8 is the structural schematic diagram of the anti-locking device of vehicle sense in the present invention.
In figure: coiler ontology 1, fixed shell 1.1, fixed lid 1.1.1, the first handle ratchet wheel portion 1.1.1.1, vehicle sense are anti-lock Notch 1.1.1.2, end cap portions 1.1.1.3, outer ring ring wall 1.1.1.4, solid shell ontology 1.1.2, the second handle ratchet wheel portion 1.1.2.1, Mandrel 1.2, latch assembly 1.3, external tooth disk 1.3.1, sliding groove 1.3.1.1, spring support 1.3.1.2, inertia rotation axis 1.3.1.3, outer ratchet 1.3.1.4, the first compressed spring 1.3.2, the second compressed spring 1.3.3, main lock piece 1.3.4, sliding Axis 1.3.4.1, main lock ratchet 1.3.4.2, inertial mass 1.4, locking ratchet 1.4.1, arc groove 1.4.2, spring card slot 1.4.3, Rotation hole 1.4.4, vehicle sense component 1.5, vehicle sensing rack 1.5.1, vehicle sense heavy ball 1.5.2, vehicle sense arm 1.5.3, vehicle sense ratchet 1.5.4, band feels anti-locking device 2, band sense driving gear 2.1, band sense driven gear 2.2, band sense lock gear 2.3, band sense arc Raised 2.4, the anti-locking device 3 of vehicle sense, vehicle sense driving gear 3.1, vehicle sense driven gear 3.2, vehicle sense spreadet spreadet wheel 3.3, vehicle sense arc Shape protrusion 3.4.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1:
As shown in Figures 1 to 6, a kind of automobile safety belt retractor equipped with anti-locking device, including coiler ontology 1 and anti-with sense Locking device 2;Coiler ontology 1 includes fixed shell 1.1, mandrel 1.2, latch assembly 1.3 and inertial mass 1.4;Mandrel 1.2 and solid Fixed shell 1.1 is rotatablely connected, and latch assembly 1.3 is connect with mandrel 1.2.
The fixed shell 1.1 includes solid shell ontology 1.1.2 and fixed lid 1.1.1, Gu shell ontology 1.1.2 is covered with fixed 1.1.1 it fixes, fixed lid 1.1.1 is equipped with the first handle ratchet wheel portion 1.1.1.1;Fixed lid 1.1.1 include end cap portions 1.1.1.3 and The outer ring portion ring wall 1.1.1.4, the first handle ratchet wheel portion 1.1.1.1 is arranged inside the outer portion ring wall 1.1.1.4 and and end cap portions 1.1.1.3 it fixes, Gu shell ontology 1.1.2 is equipped with the second handle ratchet wheel portion 1.1.2.1.
The inertial mass 1.4 is rotatablely connected with latch assembly 1.3, and inertial mass 1.4 is equipped with locking ratchet 1.4.1, arc Slot 1.4.2, spring card slot 1.4.3 and rotation hole 1.4.4, locking ratchet 1.4.1 are adapted to the first handle ratchet wheel portion 1.1.1.1;Band Feeling anti-locking device 2 includes band sense driving gear 2.1, with sense driven gear 2.2 and with sense lock gear 2.3;Band sense driving gear 2.1 is fixed by axle sleeve and mandrel 1.2, and band sense driving gear 2.1 is rotated coaxially with mandrel 1.2;With sense driven gear 2.2 and admittedly Fixed shell 1.1 is rotatablely connected, and band sense driven gear 2.2 is engaged with sense driving gear 2.1;Band sense lock gear 2.3 passes through axis Set is rotatablely connected with mandrel 1.2, and band sense lock gear 2.3 is engaged with sense driven gear 2.2;It is set in band sense lock gear 2.3 There is band sense arc convex 2.4, band sense arc convex 2.4 is adapted to arc groove 1.4.2.
The latch assembly 1.3 includes external tooth disk 1.3.1, the first compressed spring 1.3.2, the second compressed spring 1.3.3 With main lock piece 1.3.4;External tooth disk 1.3.1 and mandrel 1.2 are rotatablely connected, the rotation axis and mandrel 1.2 of external tooth disk 1.3.1 Rotation overlapping of axles, main lock piece 1.3.4 is slidably connected with mandrel 1.2, one end of the first compressed spring 1.3.2 and external tooth disk 1.3.1 it connects, the other end of the first compressed spring 1.3.2 is connect with mandrel 1.2, one end of the second compressed spring 1.3.3 and outer The 1.3.1 connection of tooth disk, the other end of the second compressed spring 1.3.3 are connect with inertial mass 1.4, and external tooth disk 1.3.1 is equipped with Sliding groove 1.3.1.1;Main lock piece 1.3.4 is equipped with sliding axle 1.3.4.1 and main lock ratchet 1.3.4.2, sliding axle 1.3.4.1 It can be slided in sliding groove 1.3.1.1;Main lock ratchet 1.3.4.2 is adapted to the second handle ratchet wheel portion 1.1.2.1.
The external tooth disk 1.3.1 is equipped with spring support 1.3.1.2 and inertia rotation axis 1.3.1.3, rotation hole 1.4.4 It is adapted to inertia rotation axis 1.3.1.3, inertial mass 1.4 is connected by inertia rotation axis 1.3.1.3 and external tooth disk 1.3.1 rotation It connects, rotation hole 1.4.4 is arranged between the second compressed spring 1.3.3 and locking ratchet 1.4.1.1.4 center of gravity of inertial mass is leaned on The nearly side locking ratchet 1.4.1, when external tooth disk 1.3.1 is rotated, inertial mass 1.4 is rotated around inertia rotation axis 1.3.1.3, inertia Side of the block 1.4 equipped with locking ratchet 1.4.1 is far from the center of circle external tooth disk 1.3.1, inertial mass 1.4 and the second compressed spring 1.3.3 the side contacted is close to the center of circle external tooth disk 1.3.1.The second compressed spring 1.3.3 by spring card slot 1.4.3 with Inertial mass 1.4 connects, and the second compressed spring 1.3.3 is connect by spring support 1.3.1.2 with external tooth disk 1.3.1
By implementing above-mentioned technical proposal, may be implemented to avoid the latch functions of safety belt from accidentally being touched under the non-pull-out state of safety belt Hair, while latch functions can be normally-open in unexpected situations, guarantees the function of occupant safety.Latch assembly 1.3 is equipped with Position limiting structure guarantees that limited block 1.4 can only rotate certain angle relative to latch assembly 1.3.Debugging before factory, at safety belt When not pulling out state, band sense arc convex 2.4 is made to be caught in arc groove 1.4.2, at this point, even if quickly pulling safety belt, inertia Block 1.4 is locked up, will not be mobile relative to latch assembly 1.3, therefore 1.3 latch functions of latch assembly will not be made to trigger.Safety belt It when pull-out, drives band sense driving gear 2.1 to rotate, is transmitted by gear, band sense lock gear 2.3 is driven to rotate, band sense arc Protrusion 2.4 is slowly detached from arc groove 1.4.2;(it is slightly less than safety belt normal use when safety belt pulls out certain length and pulls out length Minimum value), band sense arc convex 2.4 completely disengages arc groove 1.4.2, at this point, failing with anti-locking device 2 is felt;If later after Continuous quickly to pull safety, safe tape speed is more than limit value, and inertial mass 1.4 can be thrown away outward due to centrifugal force, makes locking spine Tooth 1.4.1 is contacted with the first handle ratchet wheel portion 1.1.1.1, and latch assembly 1.3 can not rotate, to make mandrel 1.2 that can not continue to turn Dynamic, safety belt latch functions are triggered, when realizing that safety belt is in operating position, what latch functions can open in unexpected situations Function.With the multiple gears for feeling anti-locking device 2 by the setting of gear ratio, guarantee that safety belt be not pulled out to operating position Before, band sense arc convex 2.4 is stuck in arc groove 1.4.2, anti-lock function triggering;Safety belt is at operating position, band sense arc Protrusion 2.4 is detached from arc groove 1.4.2, and latch functions can be normally triggered.
The main lock piece 1.3.4 can only be slided along the diametrical direction of mandrel 1.2, the locking ratchet of inertial mass 1.4 When 1.4.1 contacting with the first handle ratchet wheel portion 1.1.1.1, external tooth disk 1.3.1 can not be continued to rotate, and mandrel 1.2 can still continue It turns an angle, main lock piece 1.3.4 is driven to continue to rotate, the sliding axle 1.3.4.1 of main lock piece 1.3.4 is along cunning at this time Dynamic slot 1.3.1.1 sliding, main lock piece 1.3.4 is to mobile on the outside of the diameter relative to mandrel 1.2, main lock ratchet 1.3.4.2 and the Two handle ratchet wheel portion 1.1.2.1 contact, by main lock piece 1.3.4 locking, main lock piece 1.3.4 blocks mandrel 1.2, makes mandrel 1.2 It can not rotate, to realize the latch functions to safety belt.First compressed spring 1.3.2 can guarantee in locking ratchet 1.4.1 With the first handle ratchet wheel portion 1.1.1.1 not in contact with when, external tooth disk 1.3.1 can be rotated together with mandrel 1.2, main lock piece 1.3.4 It retracts.Second compressed spring 1.3.3 guarantees that inertial mass 1.4 will not be got rid of by centrifugal force when 1.2 revolving speed of mandrel is less than setting value Out, locking ratchet 1.4.1 will not be contacted with the first handle ratchet wheel portion 1.1.1.1.
Embodiment 2:
As shown in Figure 7 and Figure 8, on the basis of embodiment 1, the coiler ontology further includes vehicle sense component 1.5, vehicle sense component 1.5 include that vehicle sensing rack 1.5.1, vehicle sense heavy ball 1.5.2 and vehicle sense arm 1.5.3, vehicle sensing rack 1.5.1 and fixed shell 1.1 are solid Fixed, vehicle sense arm 1.5.3 and vehicle sensing rack 1.5.1 are rotatablely connected, and vehicle sense heavy ball 1.5.2 is arranged in vehicle sensing rack 1.5.1 and vehicle sense Between arm 1.5.3, vehicle sensing rack 1.5.1 be equipped with inclined surface, vehicle sense heavy ball 1.5.2 and inclination face contact, vehicle sense heavy ball 1.5.2 with Vehicle sense arm 1.5.3 contact, vehicle sense arm 1.5.3 are equipped with vehicle sense ratchet 1.5.4, and external tooth disk 1.3.1 is equipped with outer ratchet 1.3.1.4, vehicle sense ratchet 1.5.4 is adapted to outer ratchet 1.3.1.4.
When the vehicle sense component 1.5 can guarantee that vehicle is under improper posture, latch functions triggering.When vehicle attitude is inclined From zone of reasonableness (such as tilt, turn on one's side and topple) or in accelerate and turning etc. driving status when, vehicle sense heavy ball 1.5.2 due to Effect of inertia changes with the relative position of vehicle sensing rack 1.5.1, and then changes the position of vehicle sense arm 1.5.3, makes vehicle sense arm 1.5.3 it is contacted with vehicle sense ratchet 1.5.4, external tooth disk 1.3.1 can not be continued to rotate, and trigger latch functions.
Coiler ontology 1 further includes the anti-locking device 3 of vehicle sense, and the anti-locking device 3 of vehicle sense includes vehicle sense driving gear 3.1, vehicle sense Driven gear 3.2 and vehicle sense spreadet spreadet wheel 3.3;Vehicle sense driving gear 3.1 and mandrel 1.2 are fixed, vehicle sense driving gear 3.1 and core Axis 1.2 rotates coaxially;Vehicle sense driven gear 3.2 and fixed shell 1.1 are rotatablely connected, and vehicle sense driven gear 3.2 and vehicle sense are actively Gear 3.1 engages;Vehicle sense spreadet spreadet wheel 3.3 and fixed shell 1.1 are rotatablely connected, vehicle sense spreadet spreadet wheel 3.3 and vehicle sense driven tooth 3.2 engagement of wheel;Vehicle sense spreadet spreadet wheel 3.3 is equipped with vehicle sense arc convex 3.4, and fixed lid 1.1.1 is equipped with the anti-lock notch of vehicle sense 1.1.1.2;When vehicle sense arc convex 3.4 is overlapped with the anti-lock notch 1.1.1.2 of vehicle sense, vehicle sense arm 1.5.3 is lifted, vehicle sense arc Protrusion 3.4 is contacted with vehicle sense ratchet 1.5.4, has gap between vehicle sense ratchet 1.5.4 and outer ratchet 1.3.1.4.
The anti-locking device 3 of vehicle sense can limit vehicle sense component 1.5 when safety belt is in and does not pull out state, Latch functions are prevented to be triggered.Debugging before factory, safety belt are located at vehicle sense arc convex 3.4 in when not pulling out state Anti-lock notch, the arc convex of vehicle sense at this time 3.4 are contacted with vehicle sense ratchet 1.5.4, vehicle sense ratchet 1.5.4 and outer ratchet 1.3.1.4 Between have gap, latch functions can not be triggered.When safety belt pulls out, band motor-car sense driving gear 3.1 is transmitted, band by gear The rotation of motor-car sense lock gear, vehicle sense arc convex 3.4 slowly leave anti-lock notch;Safety belt pulls out (smaller when certain length The minimum value of length is pulled out in safety belt normal use), vehicle sense arc convex 3.4 can not block vehicle sense ratchet 1.5.4, vehicle sense spine Tooth 1.5.4 can be contacted with outer ratchet 1.3.1.4, and the anti-locking device 3 of vehicle sense at this time fails;Later when vehicle attitude deviates reasonable model When enclosing and (such as tilt, turn on one's side and topple) or being in the driving status such as acceleration and turning, vehicle sense heavy ball 1.5.2 makees due to inertia With, change with the relative position of vehicle sensing rack 1.5.1, and then change vehicle sense arm 1.5.3 position, make vehicle sense ratchet 1.5.4 it is contacted with vehicle sense ratchet 1.5.4, external tooth disk 1.3.1 can not be rotated, and trigger latch functions.The structure can make vehicle Tilt forward and back or tilt on the slope etc. states when, still be able to pull out the safety belt for not pulling out state.
The beneficial effects of the present invention are: the latch functions of seat belt retractor can be shielded when safety belt does not pull out;Peace Entirely with it is in running order constantly, anti-locking device will not influence shielding seat belt retractor latch functions;Latch assembly and anti- Locking device reliable performance.

Claims (7)

1. a kind of automobile safety belt retractor equipped with anti-locking device, characterized in that including coiler ontology and with the anti-lock dress of sense It sets;Coiler ontology includes fixed shell, mandrel, latch assembly and inertial mass;Mandrel and fixed shell rotation connection, locking group Part is connect with mandrel, and fixed shell is equipped with the first handle ratchet wheel portion, and the first handle ratchet wheel portion is fixed with fixed shell, inertial mass and lock Only component is rotatablely connected, and inertial mass is equipped with locking ratchet and arc groove, and locking ratchet is adapted to the first handle ratchet wheel portion;Band sense is anti- Locking device includes band sense driving gear, with sense driven gear and with sense lock gear;Band sense driving gear is fixed with mandrel, band sense Driving gear is rotated coaxially with mandrel;Band is felt driven gear and is rotatablely connected with fixed shell, and band feels driven gear and with sense active Gear engagement;Band sense lock gear and mandrel are rotatablely connected, and band sense lock gear is engaged with sense driven gear;Band sense locking teeth Wheel is equipped with band sense arc convex, and band sense arc convex is adapted to arc groove.
2. a kind of automobile safety belt retractor equipped with anti-locking device according to claim 1, characterized in that the fixation Shell is equipped with the second handle ratchet wheel portion;Latch assembly includes external tooth disk, the first compressed spring, the second compressed spring and main locking Part;External tooth disk and mandrel are rotatablely connected, the rotation axis of external tooth disk and the rotation overlapping of axles of mandrel, and main lock piece and mandrel are sliding Dynamic connection, one end of the first compressed spring are connect with external tooth disk, and the other end of the first compressed spring is connect with mandrel, the second pressure One end of contracting spring is connect with external tooth disk, and the other end of the second compressed spring is connect with inertial mass, and external tooth disk, which is equipped with, to be slided Dynamic slot;Main lock piece is equipped with sliding axle and main lock ratchet, sliding axle and can slide in sliding groove;Spine in main lock ratchet and second Wheel portion adaptation.
3. a kind of automobile safety belt retractor equipped with anti-locking device according to claim 2, characterized in that the fixation Shell includes solid shell ontology and fixed lid, Gu shell ontology and fixed lid are fixed, the second handle ratchet wheel portion is arranged on solid shell ontology;Gu Fixed lid includes end cap portions and outer ring rampart portion, and the first handle ratchet wheel portion is arranged inside outer ring wall portion and fixes with end cap portions.
4. according to Claims 2 or 3 or a kind of automobile safety belt retractor equipped with anti-locking device, characterized in that institute Inertial mass is stated equipped with spring card slot, external tooth disk is equipped with spring support, and the second compressed spring passes through spring card slot and inertia Block connection, the second compressed spring are connect by spring support with external tooth disk.
5. according to claim 1 or 2 or 3 or a kind of automobile safety belt retractor equipped with anti-locking device, characterized in that The mandrel is equipped with axle sleeve, and axle sleeve is fixed with mandrel, and band sense driving gear is fixed by axle sleeve and mandrel, band sense lock gear It is rotatablely connected by axle sleeve and mandrel.
6. according to claim 1 or 2 or 3 or a kind of automobile safety belt retractor equipped with anti-locking device, characterized in that The coiler ontology further includes vehicle sense component, and vehicle sense component includes vehicle sensing rack, vehicle sense heavy ball and vehicle sense arm, vehicle sensing rack with Fixed shell is fixed, and vehicle sense arm and vehicle sensing rack are rotatablely connected, and vehicle sense heavy ball is arranged between vehicle sensing rack and vehicle sense arm, vehicle sense Branch is provided with inclined surface, and vehicle sense heavy ball and inclination face contact, vehicle sense heavy ball and vehicle sense arm contact, vehicle sense arm are equipped with vehicle sense spine Tooth, latch assembly are equipped with outer ratchet, and vehicle sense ratchet is adapted to outer ratchet.
7. a kind of automobile safety belt retractor equipped with anti-locking device according to claim 6, characterized in that further include vehicle Feel anti-locking device, the anti-locking device of vehicle sense includes vehicle sense driving gear, vehicle sense driven gear and vehicle sense spreadet spreadet wheel;Vehicle sense driving tooth Wheel is fixed with mandrel, and vehicle sense driving gear is rotated coaxially with mandrel;Vehicle sense driven gear and the rotation connection of fixed shell, vehicle sense from Moving gear is engaged with vehicle sense driving gear;Vehicle sense spreadet spreadet wheel and the rotation connection of fixed shell, vehicle sense spreadet spreadet wheel and vehicle sense from Moving gear engagement;Vehicle sense spreadet spreadet wheel is equipped with vehicle sense arc convex, and fixation is covered equipped with the anti-lock notch of vehicle sense;When vehicle sense arc When protrusion is overlapped with the anti-lock notch of vehicle sense, vehicle sense arm is lifted, and vehicle sense arc convex is contacted with vehicle sense ratchet, vehicle sense ratchet and outer spine There is gap between tooth.
CN201811416672.5A 2018-11-26 2018-11-26 Automobile safety belt retractor with anti-locking device Active CN109591757B (en)

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CN110481491A (en) * 2019-08-28 2019-11-22 浙江松原汽车安全系统股份有限公司 Coiler, coiler mandrel and cover
CN110481490A (en) * 2019-08-28 2019-11-22 浙江松原汽车安全系统股份有限公司 A kind of coiler lockable mechanism and coiler
CN112298097A (en) * 2020-11-27 2021-02-02 重庆光大产业有限公司 Retractors and Vehicles
CN114228585A (en) * 2022-01-11 2022-03-25 重庆光大产业有限公司 Handrail locking device and handrail assembly
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CN110481492A (en) * 2019-08-28 2019-11-22 浙江松原汽车安全系统股份有限公司 A kind of coiler latch assembly and coiler
CN110481491A (en) * 2019-08-28 2019-11-22 浙江松原汽车安全系统股份有限公司 Coiler, coiler mandrel and cover
CN110481490A (en) * 2019-08-28 2019-11-22 浙江松原汽车安全系统股份有限公司 A kind of coiler lockable mechanism and coiler
CN112298097A (en) * 2020-11-27 2021-02-02 重庆光大产业有限公司 Retractors and Vehicles
CN114228585A (en) * 2022-01-11 2022-03-25 重庆光大产业有限公司 Handrail locking device and handrail assembly
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WO2023151654A1 (en) * 2022-02-11 2023-08-17 Tesla, Inc. Inertia latch for a vehicle armrest

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