CN207311364U - Belt with pre-load device retractor - Google Patents
Belt with pre-load device retractor Download PDFInfo
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- CN207311364U CN207311364U CN201721346233.2U CN201721346233U CN207311364U CN 207311364 U CN207311364 U CN 207311364U CN 201721346233 U CN201721346233 U CN 201721346233U CN 207311364 U CN207311364 U CN 207311364U
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- arresting
- body group
- disc
- actuator
- pivot
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Abstract
The utility model provides a kind of belt with pre-load device retractor, it is provided with body group, inertial device, limiting device and positioner, inertial device, limiting device and positioner system are installed in body group, limiting device rotation is limited in a manner of gravity by positioner, force inertial device timely start when safety belt is to go out, in addition to it can reach pretensioning effect, it can also shorten the stroke needed for start and keep the safety of retractor.
Description
Technical field
A kind of belt with pre-load device retractor is the utility model is related to, is espespecially used in the safety belt retractor of vehicle, it is special
It is not the pressure inertial device start, to reach the retractor of pretensioning effect using vehicle when tilting.
Background technology
Press, retractor used in general vehicle safety belt, common at present there are two kinds as flowing mode, and one kind is to utilize work
Dynamic steel ball (inertia force) promotes brake bar, allows brake bar blocking retractor, and another kind is utilizes inertial device (centrifugal force) rotation
Turn to release brake bar, start disk is driven brake component blocking retractor, two ways respectively there are advantage and disadvantage, made using steel ball mode
It is dynamic, effectiveness can be produced in the state of emergency (Brake cars) and vehicle traveling descending section, but since the motive force of steel ball is insufficient, easily
Make the blocking retractor that brake bar can not be certain, such a situation occurs in order to prevent, and brake bar, which must just reduce weight, allows steel ball to hold
Easily promote, the intensity decreases of brake bar will be made at this time；And the mode of inertial device is utilized, though the strong of brake component can be substantially improved
Degree, but inertial device will reach the state of start and need stroke larger, and can not start when descending terminal.
It is the problem that related dealer desires most ardently research and development therefore how to solve the problems, such as above-mentioned existing and missing.
Utility model content
The main purpose of the utility model is in that, limits limiting device rotation in a manner of gravity using positioner, by force
When safety belt processed pulls out, direct start inertial device, in addition to it can reach pretensioning effect, can also shorten the stroke needed for start.
In order to achieve the above object, the utility model provides a kind of belt with pre-load device retractor, it is characterized in that including：
Body group, has pedestal, shaft group, brake disc and brake component, and shaft group has tape feed roller and tape feed roller one
The pivot that side is extended, and tape feed roller is articulated in pedestal, and brake disc is connected to tape feed roller and connects close to the side of pivot, brake component
It is connected to pedestal and positioned at the outside of brake disc；
Inertial device, is arranged at the pedestal side of body group, it, which has, makees Moving plate, actuator and clamping piece, makees Moving plate
With base portion, base portion is articulated in the pivot of body group, and base portion side is connected to the brake component of body group formed with linkage part, and drives
Moving part is arranged in base portion with clamping piece, and actuator is connected to pivot, and clamping piece is hubbed at actuator；
Limiting device, is arranged at side of the inertial device away from body group, it is with position-arresting disk, arresting disc and gearing
Disk, interlocks disk and is articulated in arresting disc, and certain frictional force is produced between arresting disc, and interlocks the pivot that disk is connected to body group
Axis, arresting disc is located at the outside of position-arresting disk, and position-arresting disk is articulated in the pivot of body group, and limiting slot is provided with position-arresting disk,
The clamping piece of inertial device is located in limiting slot, and is connected between arresting disc and position-arresting disk with bolster；
Positioner, is arranged on the pedestal of body group, it makes retainer with retainer and to start retainer
The actuator of positioning is formed with the arresting disc of limiting device.
The belt with pre-load device retractor, wherein：The tape feed roller side surface of the body group is convexly equipped with positioning column, and makes
Moving plate surface is provided with location hole, and positioning column is positioned in location hole.
The belt with pre-load device retractor, wherein：Moving plate wall circular in base portion of making of the inertial device is provided with
A plurality of interior ratchets, for clamping piece end against and drive make Moving plate pivot.
The belt with pre-load device retractor, wherein：The position-arresting disk of the limiting device is set in the opposite side of limiting slot
Dashpot is recessed with, wall circular is provided with a plurality of convex portions in dashpot, and arresting disc is provided with hollow-out parts, hollow-out parts inner wall
Fixed part is provided with, bolster is positioned at fixed part, and bolster end is resisted against convex portion.
The belt with pre-load device retractor, wherein：The positioner is additionally provided with limitting casing, and limitting casing is connected to this
The pedestal of body group, and actuator is located in limitting casing, and the displacement back and forth in limitting casing according to gravity, and retainer one end is articulated in
Limitting casing, the other end are provided with pushing part formed with retainer between both ends, the displacement of actuator can promote pushing part to make
Retainer upper and lower displacement, the arresting disc exterior annular of limiting device are provided with a plurality of outer ratchets, and the retainer of positioner exists
Outer ratchet can be resisted against during displacement, arresting disc is formed positioning states.
Compared with prior art, had the advantage that using the utility model of above-mentioned technical proposal：
(1) when the utility model is positioned using limiting device by positioner because gravity is formed with limiting device, safety belt
Inertial device start can be forced during pull-out, allows the brake component of body group to be equipped in brake disc, therefore positioner can't be subject to
Impact when safety belt pulls out, and can be really be formed with limiting device positions, and can prolong the service life.
(2) the utility model connects arresting disc and position-arresting disk using the bolster of limiting device, even if when safety belt pulls out
Certain stroke is needed, allows clamping piece to be equipped in interior ratchet, if this trip exceedes the elastic force of bolster, bolster end takes off
From fixed part, strength will not be transmitted to positioner.
Brief description of the drawings
Fig. 1 is stereo appearance figure when the utility model has winding safety belt.
Fig. 2 is the stereo appearance figure of the utility model.
Fig. 3 is the side view of the utility model.
Fig. 4 is the stereo appearance figure of the utility model Local Members.
Fig. 5 is the three-dimensional exploded view of the utility model Local Members.
Fig. 6 is the part sectioned view of the utility model limiting device.
Fig. 7 is the stereo appearance figure of the utility model position-arresting disk.
Fig. 8 is the stereo appearance figure of the utility model shaft group.
Fig. 9 is the three-dimensional exploded view of the utility model shaft group.
Figure 10 is the schematic diagram that the utility model limiting device forces inertial device to rotate.
Description of reference numerals：1- body groups；11- pedestals；12- shaft groups；121- tape feed rollers；122- pivots；123- is positioned
Column；13- brake discs；131- location holes；14- brake components；2- inertial devices；21- makees Moving plate；211- base portions；212- linkage parts；
Ratchet in 213-；22- actuators；23- clamping pieces；3- limiting devices；31- position-arresting disks；311- limiting slots；312- dashpots；
313- convex portions；32- arresting discs；321- hollow-out parts；322- fixed parts；The outer ratchets of 323-；33- interlocks disk；34- bolsters；4- determines
Position device；41- retainers；411- retainers；412- pushing parts；42- actuators；43- limitting casings；5- safety belts.
Embodiment
Please refer to Fig.1 to shown in Figure 10, it can be clearly seen from the figure that, the utility model is provided with body group 1, inertial device
2nd, limiting device 3 and positioner 4, wherein：
The body group 1 has pedestal 11, shaft group 12, brake disc 13 and brake component 14, and shaft group 12 has tape feed roller
121 and the pivot 122 that is extended of 121 side of tape feed roller, and tape feed roller 121 is articulated in pedestal 11, and brake disc 13 is connected to
Close to the side of pivot 122, brake component 14 is connected to pedestal 11 and positioned at the outside of brake disc 13 tape feed roller 121；Furthermore winding
Take turns 121 side surfaces and be convexly equipped with positioning column 123, and 13 surface of brake disc is provided with location hole 131, positioning column 123 is positioned at positioning
In hole 131.
The inertial device 2 is arranged at 11 side of pedestal of body group 1, it, which has, makees Moving plate 21, actuator 22 and blocking
Part 23, making Moving plate 21 has base portion 211, and base portion 211 is articulated in the pivot 122 of body group 1, and 211 side of base portion is formed with gearing
Portion 212 is connected to the brake component 14 of body group 1, and actuator 22 is arranged in base portion 211 with clamping piece 23, and actuator 22 connects
Pivot 122 is connected to, clamping piece 23 is hubbed at actuator 22；Furthermore make Moving plate 21 be provided with wall circular in base portion 211 it is a plurality of
Interior ratchet 213, for 23 end of clamping piece against and drive and make Moving plate 21 and pivot.
The limiting device 3, is arranged at opposite side of the inertial device 2 away from body group 1, it is with position-arresting disk 31, arresting disc
32 and disk 33 is interlocked, interlock disk 33 and be articulated in arresting disc 32, and certain frictional force is produced between arresting disc 32, and interlock
Disk 33 is connected to the pivot 122 of body group 1, and arresting disc 32 is located at the outside of position-arresting disk 31, and position-arresting disk 31 is articulated in body group 1
Pivot 122, and limiting slot 311 is provided with position-arresting disk 31, the clamping piece 23 of inertial device 2 is located in limiting slot 311, and only
Connected between Moving plate 32 and position-arresting disk 31 with bolster 34, bolster 34 is spring in the present embodiment；Furthermore position-arresting disk 31 in
The opposite side of limiting slot 311, which is provided with, is recessed with dashpot 312, and wall circular is provided with a plurality of convex portions 313 in dashpot 312,
And arresting disc 32 is provided with hollow-out parts 321, exterior annular is provided with a plurality of outer ratchets 323, and 321 inner wall of hollow-out parts is provided with solid
Determine portion 322, bolster 34 is positioned at fixed part 322, and 34 end of bolster is resisted against convex portion 313.
The positioner 4 is arranged on the pedestal 11 of body group 1, it is with retainer 41, actuator 42 and limitting casing
43, limitting casing 43 is connected to the pedestal 11 of body group 1, and actuator 42 is located in limitting casing 43, and according to gravity in limitting casing 43
Inside displacement back and forth, actuator 42 is sphere in the present embodiment, and 41 one end of retainer is articulated in limitting casing 43, and the other end is formed
There is retainer 411, and pushing part 412 is provided between both ends, retainer 411 is the outer ratchet 323 close to limiting device 3,
Actuator 42, for pushing part 412 can be promoted to make 411 upper and lower displacement of retainer, supports when displacement when allowing retainer 411 to shift up
Outer ratchet 323 is against, arresting disc 32 is formed positioning states.
Please refer to Fig.1, Fig. 3, Fig. 5, Fig. 6 and Figure 10, it can be clearly seen from the figure that, when the utility model is used in vehicle
When, it is that safety belt 5 is wound on tape feed roller 121, user pulls out safety belt 5 in use, tape feed roller 121 and pivot 122
Actuator 22 can be driven with interlocking disk 33 while rotating, and interlock disk 33 because frictional force drives arresting disc 32 to rotate, make arresting disc
32 drive position-arresting disk 31 to rotate by bolster 34, since the speed that safety belt 5 pulls out is unhappy, actuator 22 is driven clamping piece
During 23 rotation, clamping piece 23 is not enough to produce enough centrifugal force and beat, and allowing user successfully to pull out safety belt 5 makes
With.When vehicle passes through descending, actuator 42 can make 411 displacement of retainer simultaneously according to the pushing part 412 of gravitational force urges retainer 41
The outer ratchet 323 of arresting disc 32 is stuck in, arresting disc 32 forms positioning states at this time, and when safety belt 5 pulls out, due to buffering
Part 34 limits position-arresting disk 31 and rotates, and clamping piece 23 in limiting slot 311 when allowing the actuator 22 to rotate, is subject to limiting slot
311 passage and beat, and then be equipped in interior ratchet 213 and drive and make Moving plate 21 and pivot, and make linkage part 212 drive brake component 14 to block
Brake disc 13 is formed on, safety belt 5 can not be continued to pull out.
Therefore the utility model is that can solve the deficiencies in the prior art and missing, and effect can be promoted, its key technology exists
In：
(1) the utility model allows positioner 4 because gravity and limiting device 3 are formed when positioning using limiting device 3, peace
Full band 5 can force 2 start of inertial device when pulling out, and allow the brake component 14 of body group 1 to be equipped in brake disc 13, therefore positioner
4 are impacted when can't be pulled out be subject to safety belt 5, and can be really be formed with limiting device 3 positions, and can be extended using the longevity
Life.
(2) the utility model connects arresting disc 32 and position-arresting disk 31 using the bolster 34 of limiting device 3, even if safety
Certain stroke is needed when being pulled out with 5, allows clamping piece 23 to be equipped in interior ratchet 213, if this trip exceedes the elasticity of bolster 34
Power, 34 end of bolster then depart from fixed part 322, and strength will not be transmitted to positioner 4.
Claims (5)
- A kind of 1. belt with pre-load device retractor, it is characterized in that including：Body group, has pedestal, shaft group, brake disc and brake component, and shaft group has tape feed roller and tape feed roller side institute The pivot of extension, and tape feed roller is articulated in pedestal, and brake disc is connected to tape feed roller and is connected to close to the side of pivot, brake component Pedestal and the outside for being located at brake disc；Inertial device, is arranged at the pedestal side of body group, it, which has, makees Moving plate, actuator and clamping piece, has as Moving plate Base portion, base portion are articulated in the pivot of body group, and base portion side is connected to the brake component of body group formed with linkage part, and actuator It is arranged at clamping piece in base portion, and actuator is connected to pivot, clamping piece is hubbed at actuator；Limiting device, is arranged at side of the inertial device away from body group, it is with position-arresting disk, arresting disc and interlocks disk, even Moving plate is articulated in arresting disc, and certain frictional force is produced between arresting disc, and interlocks the pivot that disk is connected to body group, only Moving plate is located at the outside of position-arresting disk, and position-arresting disk is articulated in the pivot of body group, and limiting slot is provided with position-arresting disk, inertia dress The clamping piece put is located in limiting slot, and is connected between arresting disc and position-arresting disk with bolster；Positioner, is arranged on the pedestal of body group, it makes retainer and limit with retainer and to start retainer The arresting disc of position device forms the actuator of positioning.
- 2. belt with pre-load device retractor as claimed in claim 1, it is characterised in that：The tape feed roller side surface of the body group is convex Equipped with positioning column, and brake disc surface is provided with location hole, and positioning column is positioned in location hole.
- 3. belt with pre-load device retractor as claimed in claim 1, it is characterised in that：The inertial device makees Moving plate in base portion Interior wall circular is provided with a plurality of interior ratchets, for clamping piece end against and drive make Moving plate pivot.
- 4. belt with pre-load device retractor as claimed in claim 1, it is characterised in that：The position-arresting disk of the limiting device is in spacing The opposite side of groove, which is provided with, is recessed with dashpot, and wall circular is provided with a plurality of convex portions in dashpot, and arresting disc is provided with and engraves Empty portion, hollow-out parts inner wall are provided with fixed part, and bolster is positioned at fixed part, and bolster end is resisted against convex portion.
- 5. belt with pre-load device retractor as claimed in claim 1, it is characterised in that：The positioner is additionally provided with spacing Frame, limitting casing is connected to the pedestal of body group, and actuator is located in limitting casing, and the displacement back and forth in limitting casing according to gravity, And retainer one end is articulated in limitting casing, the other end is provided with pushing part, the position of actuator formed with retainer, and between both ends Shifting can promote pushing part to make retainer upper and lower displacement, and the arresting disc exterior annular of limiting device is provided with a plurality of outer ratchets, The retainer of positioner can be resisted against outer ratchet in displacement, arresting disc is formed positioning states.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346233.2U CN207311364U (en) | 2017-10-16 | 2017-10-16 | Belt with pre-load device retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346233.2U CN207311364U (en) | 2017-10-16 | 2017-10-16 | Belt with pre-load device retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207311364U true CN207311364U (en) | 2018-05-04 |
Family
ID=62381544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721346233.2U Active CN207311364U (en) | 2017-10-16 | 2017-10-16 | Belt with pre-load device retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207311364U (en) |
-
2017
- 2017-10-16 CN CN201721346233.2U patent/CN207311364U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |