CN202098373U - Safety belt for vehicle - Google Patents
Safety belt for vehicle Download PDFInfo
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- CN202098373U CN202098373U CN2011201947829U CN201120194782U CN202098373U CN 202098373 U CN202098373 U CN 202098373U CN 2011201947829 U CN2011201947829 U CN 2011201947829U CN 201120194782 U CN201120194782 U CN 201120194782U CN 202098373 U CN202098373 U CN 202098373U
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- wheel
- gear
- spreadet
- safety belt
- sun gear
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Abstract
The embodiment of the utility model discloses a safety belt for a vehicle. The safety belt comprises a coiler, a mesh belt, a locking mechanism, an outer ratchet, an inner ratchet encloser, a child protecting mechanism, a force limiting mechanism and a pre-tensioning mechanism, wherein the outer ratchet is arranged at the first end of the coiler; the inner ratchet encloser is used for covering the outer ratchet; the coiler is in half connection with the locking mechanism; the child protecting mechanism is arranged at the first end of the coiler; the force limiting mechanism is arranged in the slide cavity of the coiler; and the pre-tensioning mechanism is arranged at the second end of the coiler. In the safety belt, the pre-tensioning mechanism, the force limiting mechanism and the child protecting mechanism are arranged simultaneously, so that a passenger can be effectively fixed on a seat relatively by using the safety belt; and a part of the compression amount of the safety belt on the chest of a human body is absorbed by using the force limiting mechanism, so that the safety performance for the safety belt is further improved, and the protection function on a child is enhanced particularly.
Description
Technical field
The utility model relates to a kind of safety belt for vehicle, relates in particular to a kind of safety belt for vehicle with pretension, limit power, children's health care mechanism.
Background technology
The extension of Along with people's growth in the living standard and express highway; Automobile gets into China family in a large number as a kind of high speed vehicle easily, and going on a tour of the whole family Holiday also becomes a kind of fashion; People require also increasingly high to the safety strap of one of the important safety of automobile configuration; The quality of its quality, passenger's safety when directly influencing accident, and to the minor particularly children also more perfect safety measure should be arranged.
The safety strap of prior art is of a great variety; Like lock in emergency formula safety strap, belt with pre-load device, combustion-explosion type safety strap or the like; The function singleness of safety strap in the reality is in automobile type of bumping accident at that moment like the effect of the safety strap of prefastening, safety strap is reclaimed certain-length be strapped in the occupant on the seat tightly; This will cause the amount of compression of occupant's chest to increase; Cause extra injury, particularly more need a more perfect safety measure and load alleviator, make children or child seat relative fixed alleviate the amount of compression of safety strap on the seat and when urgent collision takes place chest for children.
Summary of the invention
The utility model embodiment technical matters to be solved is, a kind of safety belt for vehicle with pretension, limit power, children's health care mechanism is provided, and can children or child seat relative fixed be alleviated the amount of compression of safety strap to chest simultaneously on the seat.
In order to solve the problems of the technologies described above; The utility model embodiment provides a kind of safety strap; The interior ratchet case 5 that comprises taking-up device 1, ribbon 2, latching device 3 and be arranged at the outer ratchet-gear wheel 4 of said taking-up device first end and cover said outer ratchet-gear wheel 4, said taking-up device is connected with said latching device 3 foldings through ribbon 2.
Wherein, also comprise children's health care mechanism 6, the limit force mechanisms 7 that is arranged at the slip inner chamber of said taking-up device that is arranged at said taking-up device first end, the pre-tightening mechanism 8 that is arranged at said taking-up device second end; Said taking-up device comprises framework 10, is provided with the reel 11 of slip inner chamber, and said reel passes the reel hole 101,102 of said framework two ends setting and forms and is rotationally connected; Said limit force mechanisms 7 comprises mandrel head 71, spool gland 72, torsion bar 73; Said mandrel head 71 first ends are the torsion cap 711 with inner chamber; Said inner chamber 712 connects first end of said torsion bar 731; Said torsion cap 711 peripheries are the polygon connecting portion, are socketed in the sliding cavity of the said reel that is complementary with said polygon connecting portion 111, and said spool gland 72 is provided with second end 732 that torsion seat 721 couplings connect said torsion bar; On first end of said reel 11 riveting pin 112 is set, corresponding to said riveting pin 112 pin-and-hole 722 is set on spool gland 72 and captives joint with said reel 11; Said pre-tightening mechanism 8 comprises power wheel 81 and places the clutch block 82 between the pretension axle 713 of inner chamber and said mandrel head second end of said power wheel that said clutch block 82 is to be symmetrically distributed in said pretension axle 713 peripheries more than two or two; Said children's health care mechanism 6 comprises sun gear 61, release gear 62, spreadet spreadet wheel 63, dials plate 64, driving lever 65; The mandrel of said taking-up device 1 passes the centre hole 51 of said interior ratchet case 5 settings and captives joint with said sun gear 61; The said group of plate 64 with said in ratchet case 5 through the switch-plate shaft hole 641 that is provided with on the said group of plate 64 with said in the switch-plate shaft 52 that is provided with on the ratchet case 5 form and be rotationally connected; Said group of plate 64 tops are provided with an arc chute 644; Ratchet case 5 is corresponding to having an open slot 53 on said arc chute 644 positions in said; Said open slot is provided with bearing pin 54 and connects the pin-and-hole that said driving lever 65 lower ends are provided with; The said driving lever 65 and the side of said open slot 53 are flexibly connected; Said driving lever 65 upper ends are provided with a slide bar 651, and said slide bar 651 is slidingly connected to said arc chute 644, and said driving lever 65 also is provided with a pusher dog 652; Said pusher dog 652 is connected with outer ratchet folding on the said outer ratchet-gear wheel 4; The said group of plate 64 is provided with release wheel shaft 642 and locking wheel shaft 643, said release gear 62 and said spreadet spreadet wheel 63 respectively with said group of plate 64 on said release wheel shaft 642 be rotationally connected and be connected with a joggle with said locking wheel shaft 643, the last boss 611,621,631 that respectively is provided with in same side of said sun gear 61, release gear 62 and spreadet spreadet wheel 63 with said sun gear 61; When said sun gear 61 goes to its boss 611 when pushing mutually with the boss 621,631 of said release gear or spreadet spreadet wheel; Under the squeese pressure effect, the said group of plate 64 rotates around said switch-plate shaft 52, makes the said slide bar 651 of said driving lever 65 slide to the unlocked position or the lock position of the arc chute 644 of said group of plate 64.
Further; The polygon connecting bridge of said torsion cap 711 is first linkage section and second linkage section; One lock ring 712 is set between said first linkage section and second linkage section; The lockhole 114 that is provided with on said lock ring 712 and the said reel 11 connects with the locking plate card 113 that is n shape, and said torsion cap 711 is captiveed joint with said reel 11.
Further; The be complementary arc surface of face of the intrados 821 of said clutch block 82 and said pretension axle 713; The cambered surface that the extrados 822 of said clutch block 82 and the intracavity sidewall 812 of said power wheel 81 are complementary, the distance of the axial line of the extrados of first end of said clutch block 82 to said pretension axle 713 is greater than the distance of the axial line of extrados to the said pretension axle 713 of 82 second ends of said clutch.
Further, between said power wheel 81 and the said framework 10 spacing shim 83 is set, the bearing pin coupling is set on the said spacing shim 83 connects the pin-and-hole 823 that is provided with on the said clutch block 82, said clutch block 82 is separated with said pretension axle 713.
Further, the interior contact surface of said clutch block 82 is the serration shape or grinds flower-shaped rough surface; Said pretension axle 713 surfaces are for the serration shape or grind flower-shaped rough surface.
Further, the tooth bar 85 that said pre-tightening mechanism 8 also comprises gas generator 84 and connects said gas generator 84, said tooth bar 85 is provided with the gear teeth 813 with said power wheel 81 and is connected with a joggle.
Further; Boss 611 on the said sun gear 61 is above between two gears of said sun gear 61; The boss 621,631 of said release gear/spreadet spreadet wheel is positioned at the top of each gear of said release gear/spreadet spreadet wheel, and the shape in the outside is identical with the gear teeth.
Further; When the said slide bar 651 of said driving lever 65 places the lock position of said deep-slotted chip breaker 644; Ratchet engaging on said pusher dog 652 and the said outer ratchet-gear wheel 4 is connected; When said slide bar 651 placed the unlocked position of said deep-slotted chip breaker 644, said pusher dog 652 was thrown off with the ratchet on the said outer ratchet dish 4 and is connected.
Further, said release gear 62 is identical with shape with spreadet spreadet wheel 63 sizes, and said sun gear 61 is identical with the wheel tooth module of said release gear 62 and spreadet spreadet wheel 63.
Further; Lock position when the boss 611 of said sun gear 61 from said sun gear 61 collided with the boss 631 on the said spreadet spreadet wheel 63 return back to said release gear 62 on the unlocked position of boss 621 when colliding, said sun gear 61 needs revolution 6-10 circle altogether.
Implement the utility model embodiment; Has following beneficial effect: because the utility model is provided with pre-tightening mechanism, limit force mechanisms, children's health care mechanism simultaneously; Make the utility model can be effectively on the seat with occupant's relative fixed; Utilize the limit force mechanisms to absorb a part of amount of compression of safety strap simultaneously, further strengthened the safety performance of safety strap, particularly strengthen protective effect children to human chest.
Description of drawings
Fig. 1 is the integral structure scheme drawing of the safety strap of the utility model;
Fig. 2 is the structural representation of decomposition texture of the safety strap of the utility model;
Fig. 3 is the structural representation of the decomposition texture of limit force mechanisms;
Fig. 4 is the cutaway view of limit force mechanisms;
Fig. 5 is one of clutch structure scheme drawing of pre-tightening mechanism;
Fig. 6 be pre-tightening mechanism the clutch structure scheme drawing two;
Fig. 7 is the structural representation of the clutch block of pre-tightening mechanism;
Fig. 8 is the structural representation of the power wheel of pre-tightening mechanism;
Fig. 9 is the structural representation after the pre-tightening mechanism generation effect;
Figure 10 is one of structural representation of pre-tightening mechanism running condition;
Figure 11 be the pre-tightening mechanism running condition structural representation two;
Figure 12 is the integral structure scheme drawing of children's health care mechanism;
Figure 13 is one of decomposition texture scheme drawing of children's health care mechanism;
Figure 14 be children's health care mechanism the decomposition texture scheme drawing two;
Structural representation when Figure 15 is children's health care mechanism locking;
Figure 16 is the local structure enlarged drawing of the A shown in Figure 15;
Structural representation when Figure 17 is the release of children's health care mechanism;
Figure 18 is the local structure enlarged drawing of the B shown in Figure 17.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done to describe in detail further below.
Like Fig. 1, structural representation shown in Figure 2.
The interior ratchet case 5 that the utility model comprises taking-up device 1, ribbon 2, latching device 3, outer ratchet-gear wheel 4 and covers said outer ratchet-gear wheel; Taking-up device 1 is connected with latching device 3 foldings through the dead bolt 20 on the ribbon 2, and outer ratchet-gear wheel 4 is arranged at first end of taking-up device.The characteristics of the utility model are on the interior ratchet case 5 of first end of taking-up device 1, to be provided with children's health care mechanism 6, are provided with limit force mechanisms 7 at the slip inner chamber of taking-up device 1, at the pre-tightening mechanism 8 of taking-up device 1 second end.
Taking-up device 1 comprises framework 10 and reel 11, and reel hole 101,102 and framework 10 formation that reel 11 passes the setting of framework two ends are rotationally connected.
The structural representation of limit force mechanisms as shown in Figure 3.
The limit force mechanisms comprises mandrel head 71, spool gland 72, torsion bar 73, and mandrel head first end is a torsion cap 711, and torsion cap 711 peripheries are the hexagon connecting portion; Corresponding to a sliding cavity 111 is set in the reel 11; The external appearance matching of sliding cavity 111 first ends and torsion cap 711 makes torsion cap 711 can be socketed in sliding cavity 111 first ends, and torsion cap 711 set inside one inner chamber 712 connects torsion bar first end 731; First end, 731 couplings of its shape and torsion bar 73; One torsion seat 721 is set on the spool gland 72, and its inner chamber is connected with second end, 732 couplings of torsion bar 73, on second end of reel 11, riveting pin 112 is set; On the corresponding end face of spool gland 72, pin-and-hole 722 is set, reel 11 is captiveed joint through riveting pin 112, pin-and-hole 722 with spool gland 72.
What need describe is; The hexagon connecting bridge of torsion cap 711 is first connecting portion and second connecting portion; Lock ring 712 is set wherein; Torsion cap 711 is socketed on sliding cavity 111, torsion cap 711 is fixed in the sliding cavity 111 force-limiting device cutaway view as shown in Figure 4 through lockhole 114 and the cooresponding n shape locking plate 113 that on reel 11, is provided with corresponding to the lock ring position.
When automobile bumps, safety strap vehicle and the sudden change of occupant's acceleration/accel direction, the sense of safety strap car is worked with the band sense; When acting on human body energy on one's body above setting value, reel 11 is destroyed with the riveting pin 112 of spool gland 72, and reel 11 rotates with spool gland 72; Force-limiting device generation effect; The collision energy of absorbing redundant through the distortion of torsion bar 73, the amount of compression of minimizing human abdomen and chest makes the occupant exempt from extra injury to greatest extent.
Like Fig. 2, Fig. 5, shown in Figure 6; Pre-tightening mechanism 8 comprises power wheel 81; Clutch block 82, clutch block 82 are between two second end pretension axles 713 that are symmetricly set in power wheel inner chamber 811 and mandrel head 71, during installation; Termination 714 on second end of mandrel head 71 is passed the inner chamber 811 of the power wheel 81 of pre-tightening mechanism 8; Make pretension axle 713 place the inner chamber 811 of power wheel 81, clutch block 82 symmetry respectively is installed in the inner chamber 811 of power wheel 81, and contact surface 715 free-running fits of back clutch block 82 interior contact surfaces 821 and pretension axle 713 are installed.
Like Fig. 7, structural representation shown in Figure 8.Clutch block 82 curved structures; The arc surface that the contact surface 715 of intrados 821 and pretension axle 713 is complementary; The cambered surface that the internal chamber wall 812 of extrados 822 and power wheel 81 is complementary, the axial line distance of first end to the pretension axle 713 of the extrados 822 of clutch block 82 is greater than the axial line distance of second end to the pretension axle 713 of extrados 822.
What need describe is; Have and be arranged on bearing pin easy to break on the spacing shim 83 of the pre-tightening mechanism 8 bonded assembly pin-and-hole 823 that is complementary on the clutch block 82; Do the time spent to guarantee that pre-tightening mechanism 8 does not produce, clutch block 82 is separated with pretension axle 713, and reel 11 is free to the Contractible safety band.
What need describe is that when action did not take place pre-tightening mechanism 8, clutch block 82 is separated with the pretension axle 713 of mandrel head 71, and was as shown in Figure 6; When action takes place in pre-tightening mechanism 30, produce strength the bearing pin easy to break on the spacing shim 83 is cut off, the pretension axle 713 of clutch block 82 and mandrel head 71 is for face contacts stressed joint, and is as shown in Figure 9.
The intrados 821 of clutch block 82 is for helping strengthening the rough surface of friction force, and for example rough surface is for grinding the flower-shaped surface or the surface of serration shape; The pretension axle 713 and the clutch block 82 contacted contact surfaces of pre-tightening mechanism 8 are the rough surface that helps strengthening friction force, and for example rough surface is for grinding the flower-shaped surface or the surface of serration shape.
Running condition like the pre-pressing structure of Figure 10, the utility model shown in Figure 11; Pre-tightening mechanism 8 also comprises gas generator 84, and the tooth bar 85 that connects gas generator 84, and the gear teeth 813 that tooth bar 85 is provided with several teeth groove and power wheel 81 are connected with a joggle; Clutch block 82 symmetry respectively is installed in the inner chamber 811 of power wheel 81; Figure 10 is a pre-tightening mechanism 8 when not moving, and clutch block 82 is fixed by the bearing pin easy to break on the spacing shim 83, the scheme drawing that clutch block 82 and pretension axle 713 are separated; When Figure 11 is vehicle collision; Gas generator 84 makes pre-tightening mechanism 8 produce action when receiving the vehicle early warning signal, the momentum that the bearing pin easy to break on the spacing shim 83 is produced is cut off, and clutch block 82 contacts the bonded assembly scheme drawing with 713 on pretension axle; Power wheel 81 is towards the radian direction rotation of clutch block 82; Because the axial line of first end to the pretension axle 713 of the extrados of clutch block 82 distance is greater than the axial line distance of second end to the pretension axle 713 of extrados, the extrados 822 of clutch block 82 makes clutch block 82 radially near pretension axle 713 under the extruding of the intracavity sidewall 812 of power wheel 81; When power wheel 81 turns over certain angle; Clutch block 82 contacts and clamps with the contact surface of pretension axle 713 fully, and after clamping process was accomplished, pretension axle 713 is rotation synchronously under the drive of power wheel 81; Accomplish transmission of power, thereby drive the gap that reel 11 rotation synchronously receives occupant's safety strap on one's body.
Like Figure 12, children's health care mechanism structure scheme drawing shown in Figure 13, on the ratchet case 5, children's health care mechanism 6 comprised sun gear 61, release gear 62, spreadet spreadet wheel 63 in children's health care mechanism 6 was arranged at; Dial plate 64, driving lever 65, on the interior ratchet case 5 centre hole 51 is set, the axle 723 of spool gland 72 passes centre hole 51 and captives joint with sun gear 61; Dial on the plate 64 switch-plate shaft hole 641 is set; Said group of plate 64 is rotationally connected through said switch-plate shaft hole 641 and the switch-plate shaft 52 that is fixed on interior ratchet case 5 outsides, and 641 cooresponding said group of plate 64 tops, said switch-plate shaft hole have an arc chute 644, has an open slot 53 on the said interior ratchet case 5 of said arc chute 644 belows; Said driving lever 65 lower ends offer a pin-and-hole; And being provided with bearing pin 54 corresponding to said open slot 53, said driving lever 65 is rotationally connected through the pin-and-hole and the bearing pin 54 of lower end, and driving lever 65 is connected with ratchet folding on the outer ratchet-gear wheel 4; The driving lever upper end is provided with a slide bar 651 and said arc chute 644 sliding block joints; The upper end is provided with a pusher dog 652 before the said driving lever 65, and said pusher dog 65 is connected with ratchet folding on the said outer ratchet-gear wheel 4, like Figure 15, shown in Figure 16.
Combine Figure 14 again; The said group of plate 64 left and right both sides are respectively arranged with release wheel shaft 642 and locking wheel shaft 643, said release gear 62 and said spreadet spreadet wheel 63 respectively with said group of plate 64 on said release wheel shaft 642 be rotationally connected and be connected with a joggle with said locking wheel shaft 643 with said sun gear 61.
The last boss 611,621,631 that is provided with in same side of said sun gear 61, release gear 62 and spreadet spreadet wheel 63; When said sun gear 61 goes to its boss 611 when pushing mutually with the boss 621 or 631 of said release gear 62 or spreadet spreadet wheel 63; Under the squeese pressure effect, said group of plate 64 goes to unlocked position or lock position around said switch-plate shaft 641; Boss 611 on the sun gear 61 is above between two gears of said sun gear 61; Boss 621 and boss 631 lay respectively at the top of said release gear 62 and spreadet spreadet wheel 63 each gear; Said boss 621 is identical with the gear teeth with the shape in boss 631 outsides; Like Figure 15, shown in Figure 16; Collide when connecing when the boss on the said spreadet spreadet wheel 63 631 and the boss 611 of said sun gear 61, said group of plate 64 rotates and makes the slide bar 651 of said driving lever upper end in said arc chute 644, place lock position, and pusher dog 652 engages with outer sour jujube on the said outer ratchet-gear wheel 4 and is connected; Like Figure 17, shown in Figure 180; When boss on the said release gear 62 621 and the boss 611 on the said sun gear 61 are collided when connecing; The said group of plate 64 rotates and makes the slide bar 651 of said driving lever upper end in arc chute 644, place unlocked position, and pusher dog 652 is connected with outer sour jujube disengagement on the said outer ratchet-gear wheel 4.
What need describe is; Said release gear 62 is identical with shape with spreadet spreadet wheel 63 sizes; Said sun gear 61 is identical with the wheel tooth module of said release gear 62 and spreadet spreadet wheel 63; Lock position when the boss 611 of said sun gear 61 from said sun gear 61 being collided with the boss 631 on the said spreadet spreadet wheel 63 through the relative position that sun gear 61 and said release gear 62 and spreadet spreadet wheel 63 are set return back to said release gear 62 on the unlocked position of boss 621 when colliding, said sun gear 5 needs revolution 6-10 circle altogether.
In the utility model embodiment, said taking-up device 1 is contained on the top, compartment or car body pilaster of seat one side, and said ribbon 2 one ends are fixed and furled on the reel 11 of taking-up device 1; The other end is fixed on the bottom, compartment, the dead bolt 20 and said ribbon 2 sliding block joints of said latching device 3, and the button of said latching device 3 is fixed on the opposite side of seat; During use; Pull out ribbon 2, dead bolt is buckled on the button, then accomplished the use of common body-restraining seat belt; Said taking-up device 1 one ends are provided with children's health care mechanism 6, and in the process of pulling out ribbon 2, the sun gear 61 of children's health care mechanism 6 rotates and drive spreadet spreadet wheel 63 simultaneously and release gear 62 rotates; When center gear 61 turned to the setting number of turns, plate 64 rotations collided, dial by the boss 631 on the spreadet spreadet wheel 63 with the boss 611 on the sun gear 61 made the slide bar 651 of driving lever upper end in arc chute 644, place lock position, shown in figure 16; Ratchet clamping on pusher dog 652 and the outer ratchet-gear wheel 4 makes outer ratchet-gear wheel 4 lockings; This moment, ribbon 2 can only can not be pulled out in rolling, and children's health care mechanism 6 shields, and makes children or child seat relative fixed on the seat; During release; Unclamp being connected of dead bolt and button, ribbon 2 reclaims and makes sun gear 61 revolutions and drive spreadet spreadet wheel 63 and 62 revolutions of release gear, when center gear 61 returns back to when setting the number of turns; Plate 64 rotations collided, dial by boss 621 on the release gear 62 with the boss 611 on the sun gear 61 makes the slide bar 651 of driving lever upper end in arc chute 644, place unlocked position; Shown in figure 18, pusher dog 652 is thrown off with the ratchet on the outer ratchet-gear wheel 4, makes outer ratchet-gear wheel 4 recover the normal rotation state; Be that ribbon 2 can pull out or reclaim, this moment, children's health care mechanism 6 was inoperative; And when automobile generation emergency brake or collision, when action takes place pre-tightening mechanism 30, produce strength the bearing pin easy to break on the spacing shim 83 is cut off; The pretension axle 713 of clutch block 82 and mandrel head 71 is for face contacts stressed joint, and as shown in Figure 9, the extrados 822 of clutch block 82 is under the extruding of the intracavity sidewall 812 of power wheel 81; Make clutch block 82 radially near pretension axle 713, when power wheel 81 turns over certain angle, clutch block 82 contacts and clamps with the contact surface of pretension axle 713 fully; After clamping process was accomplished, pretension axle 713 is rotation synchronously under the drive of power wheel 81, accomplishes transmission of power; Thereby drive the gap that reel 11 rotation synchronously receives occupant's safety strap on one's body, safety strap car sense is simultaneously worked with the band sense, when Impact energy reaches setting value; Reel 11 is destroyed with the riveting pin 112 of spool gland 72; Reel 11 rotates force-limiting device generation effect, the collision energy of absorbing redundant through the distortion of torsion bar 73 with spool gland 72; Reduce the amount of compression of human abdomen and chest, make the occupant exempt from extra injury to greatest extent.
Above disclosedly be merely a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. safety belt for vehicle; Comprise taking-up device (1), ribbon (2), latching device (3) and the interior ratchet case (5) that is arranged at the outer ratchet-gear wheel (4) of said taking-up device first end and covers said outer ratchet-gear wheel (4); Said taking-up device is connected with said latching device (3) folding through ribbon (2); It is characterized in that, the limit force mechanisms (7) of the slip inner chamber that also comprise the children's health care mechanism (6) that is arranged at said taking-up device first end, is arranged at said taking-up device, be arranged at the pre-tightening mechanism (8) of said taking-up device second end; Said taking-up device comprises framework (10), is provided with the reel (11) of slip inner chamber, and said reel (11) passes reel hole (101), (102) of said framework two ends setting and forms and is rotationally connected; Said limit force mechanisms (7) comprises mandrel head (71), spool gland (72), torsion bar (73); Said mandrel head (71) first ends are the torsion cap (711) with inner chamber; Said inner chamber (712) connects first end of said torsion bar (731); Said torsion cap (711) periphery is the polygon connecting portion; Be socketed in the sliding cavity of the said reel that is complementary with said polygon connecting portion (111); Said spool gland (72) is provided with second end (732) that torsion seat (721) coupling connects said torsion bar, and riveting pin (112) is set on first end of said reel (11), corresponding to said riveting pin (112) pin-and-hole (722) is set on spool gland (72) and captives joint with said reel (11); Said pre-tightening mechanism (8) comprises power wheel (81) and places the clutch block (82) between the pretension axle (713) of inner chamber and said mandrel head second end of said power wheel that said clutch block (82) is to be symmetrically distributed in said pretension axle (713) periphery more than two or two; Said children's health care mechanism (6) comprises sun gear (61), release gear (62), spreadet spreadet wheel (63), dials plate (64), driving lever (65); The mandrel of said taking-up device (1) passes the centre hole (51) of said interior ratchet case (5) setting and captives joint with said sun gear (61); Said group of plate (64) and said interior ratchet case (5) are gone up setting through said group of plate (64) switch-plate shaft hole (641) is rotationally connected with switch-plate shaft (52) formation that said interior ratchet case (5) upward is provided with; Said group of plate (64) top is provided with an arc chute (644); Ratchet case (5) is corresponding to having an open slot (53) on said arc chute (644) position in said; Said open slot is provided with bearing pin (54) and connects the pin-and-hole that said driving lever (65) lower end is provided with; The said driving lever (65) and the side of said open slot (53) are flexibly connected; Said driving lever (65) upper end is provided with a slide bar (651); Said slide bar (651) is slidingly connected to said arc chute (644); Said driving lever (65) also is provided with a pusher dog (652); Said pusher dog (652) is connected with outer ratchet folding on the said outer ratchet-gear wheel (4); Said group of plate (64) is provided with release wheel shaft (642) and locking wheel shaft (643), said release gear (62) and said spreadet spreadet wheel (63) respectively with said group of plate (64) on said release wheel shaft (642) and said locking wheel shaft (643) is rotationally connected and be connected with a joggle a last boss (611), (621), (631) of respectively being provided with, the same side of said sun gear (61), release gear (62) and spreadet spreadet wheel (63) with said sun gear (61); The boss (621), (631) that go to its boss (611) and said release gear or spreadet spreadet wheel when said sun gear (61) are when pushing mutually; Under the squeese pressure effect, said group of plate (64) rotates around said switch-plate shaft (52), makes the said slide bar (651) of said driving lever (65) slide to the unlocked position or the lock position of the arc chute (644) of said group of plate (64).
2. a kind of safety belt for vehicle according to claim 1; It is characterized in that; The polygon connecting bridge of said torsion cap (711) is first linkage section and second linkage section; One lock ring (712) is set between said first linkage section and second linkage section, and the locking plate card (113) that said lock ring (712) and said reel (11) are gone up the lockhole (114) that is provided with and be n shape connects, and said torsion cap (711) is captiveed joint with said reel (11).
3. a kind of safety belt for vehicle according to claim 1; It is characterized in that; The be complementary arc surface of face of the intrados (821) of said clutch block (82) and said pretension axle (713); The cambered surface that the extrados (822) of said clutch block (82) and the intracavity sidewall (812) of said power wheel (81) are complementary, the distance of the axial line of the extrados of first end of said clutch block (82) to said pretension axle (713) is greater than the distance of the axial line of extrados to the said pretension axle (713) of said clutch block (82) second ends.
4. a kind of safety belt for vehicle according to claim 1; It is characterized in that; Between said power wheel (81) and the said framework (10) spacing shim (83) is set; The bearing pin coupling is set on the said spacing shim (83) connects the pin-and-hole (823) that said clutch block (82) is gone up setting, said clutch block (82) and said pretension axle (713) are separated.
5. a kind of safety belt for vehicle according to claim 4 is characterized in that, the interior contact surface of said clutch block (82) is the serration shape or grinds flower-shaped rough surface; Said pretension axle (713) surface is for the serration shape or grind flower-shaped rough surface.
6. a kind of safety belt for vehicle according to claim 1; It is characterized in that; The tooth bar (85) that said pre-tightening mechanism (8) also comprises gas generator (84) and connects said gas generator (84), said tooth bar (85) is provided with the gear teeth (813) with said power wheel (81) and is connected with a joggle.
7. a kind of safety belt for vehicle according to claim 1; It is characterized in that; Boss (611) on the said sun gear (61) is positioned at the top between two gears of said sun gear (61); The boss of said release gear/spreadet spreadet wheel (621), (631) are positioned at the top of each gear of said release gear/spreadet spreadet wheel, and the shape in the outside is identical with the gear teeth.
8. a kind of safety belt for vehicle according to claim 7; It is characterized in that; When the said slide bar (651) of said driving lever (65) places the lock position of said deep-slotted chip breaker (644); Ratchet engaging on said pusher dog (652) and the said outer ratchet-gear wheel (4) is connected, and when said slide bar (651) placed the unlocked position of said deep-slotted chip breaker (644), said pusher dog (652) was connected with ratchet disengagement on the said outer ratchet dish (4).
9. a kind of safety belt for vehicle according to claim 7; It is characterized in that; Said release gear (62) is identical with shape with spreadet spreadet wheel (63) size, and said sun gear (61) is identical with the wheel tooth module of said release gear (62) and spreadet spreadet wheel (63).
10. a kind of safety belt for vehicle according to claim 8; It is characterized in that; The lock position of boss (631) when colliding on the boss (611) of said sun gear (61) from said sun gear (61) and the said spreadet spreadet wheel (63) return back to said release gear (62) on the unlocked position of boss (621) when colliding, said sun gear (61) needs revolution 6-10 circle altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201947829U CN202098373U (en) | 2011-06-10 | 2011-06-10 | Safety belt for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201947829U CN202098373U (en) | 2011-06-10 | 2011-06-10 | Safety belt for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202098373U true CN202098373U (en) | 2012-01-04 |
Family
ID=45384402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201947829U Expired - Lifetime CN202098373U (en) | 2011-06-10 | 2011-06-10 | Safety belt for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202098373U (en) |
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 |
| CN110884461A (en) * | 2019-12-02 | 2020-03-17 | 常州市东晨车辆部件有限公司 | Seat belt retractor with force reducing device |
-
2011
- 2011-06-10 CN CN2011201947829U patent/CN202098373U/en not_active Expired - Lifetime
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 |
| CN110884461A (en) * | 2019-12-02 | 2020-03-17 | 常州市东晨车辆部件有限公司 | Seat belt retractor with force reducing device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |