CN102991452A - Safety belt device - Google Patents
Safety belt device Download PDFInfo
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- CN102991452A CN102991452A CN2012103423865A CN201210342386A CN102991452A CN 102991452 A CN102991452 A CN 102991452A CN 2012103423865 A CN2012103423865 A CN 2012103423865A CN 201210342386 A CN201210342386 A CN 201210342386A CN 102991452 A CN102991452 A CN 102991452A
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- heart yearn
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Abstract
Provided is a safety belt device, realizing simplification of the interior structure of an angle detection part. The safety belt device (100) comprises a retractor (108), an angle detection part (124), a core wire (132) that connects the angle detection part (124) and a retractor (108), and a core wire housing (136). The angle detection part (124) has a rotary housing part (130) in connection with the core wire housing (136), and a cam part (144) for fixing an end part (140) of the core wire (132). The cam part (144) comprises a long radius part (146) with a relatively long rotary radius r1; a short radius part (148) with a relatively short rotary radius r2; a plane part (150) which is oriented from the long radius part (146) to the short radius part (148), deviates from the rotary center P1 direction of the cam part (144) and is extended in the direction of the long radius part (146); and a groove part (154) for retracting the core wire (132). The core wire (132) has a fixing part (142) for fixing the core wire (132) to the groove part (154). The fixing part (142) is connected with the plane part (150) via an end face (158) that is expanded along the width direction W1 of the core wire (132).
Description
Technical field
The present invention relates to a kind of being located on the vehicle seat, with banded ribbon constraint driving person's seat belt apparatus.
Technical background
Seat belt apparatus is because emergency brake or collision etc. have when acting on vehicle than the big retarding degree, prevents driving person because force of inertia hits the safety device in the place ahead.The banded ribbon of seat belt apparatus utilization with driving person be strapped in attend a banquet on.Being configured to of ribbon, its root part is rolled by taking-up device and is taken in, and is located at the tongue piece of its fore-end by stretching, pulls out and fastens from taking-up device.Also popularized in recent years a kind of seat belt apparatus, its taking-up device is built in the top of attending a banquet, and being specially the chair back is the sidepiece top of back of seat.
Most of taking-up devices have acceleration pick-up.This acceleration pick-up can detect the acceleration/accel that vehicle sharply produces, and is used for the emergency such as reply collision and establishes.When acceleration pick-up detect that when collision produce than high acceleration or deceleration/decel the time, taking-up device namely batches the shaft component of ribbon with fixed central spindle, accordingly by ribbon constraint driving person.
The structure of general acceleration pick-up is that the movement by built-in ball comes sense acceleration.The acceleration pick-up of this structure, in order to work, the posture that will establish as initial condition and the angle of inclination of back of seat are irrelevant to need to keep certain.Therefore, patent documentation 1 described taking-up device for example, carry out at back of seat on the shaft component at center of tilting action, be provided with angle detection device, be that heart yearn passes to taking-up device with the rotation of this angle detection device by transfer device, thereby according to the angle of back of seat the posture of the taking-up device that comprises acceleration pick-up regulated.
Patent documentation
[patent documentation 1] Japanese patent laid-open 11-326362 communique
Summary of the invention
In the patent documentation 1 described taking-up device, the heart yearn end of transfer device is fixed on the cam of being located at angle detection device inside.Be specially, bar-shaped terminal member is installed on the heart yearn end, this terminal member is inserted into the hole section that is located at cam centre of gration one side and is fixed.And the operation labour power when making from reducing in recent years vehicle and the viewpoint of reduction cost need to further be simplified the structure of taking-up device.
The problem that invention will solve
The present invention proposes in view of above-mentioned problem, purpose is to provide a kind of seat belt apparatus, it possesses: the angle test section that contains acceleration pick-up and be located at the taking-up device of back of seat, rotate with back of seat, and the heart yearn of posture interlock that makes the acceleration pick-up of the rotation of angle test section and taking-up device, this seat belt apparatus mainly can be simplified the inner structure of angle test section and can improve durability.
Solve the means of problem
In order to solve above-mentioned problem, being characterized as of the representative construction of seat belt apparatus involved in the present invention possesses: taking-up device, and be located on the back of seat that can tilt to the vehicle fore-and-aft direction, have an acceleration pick-up; The angle test section is arranged on the shaft component with one heart with back of seat, and wherein, this shaft component support seat back also can tilt, and the rotation of the tilting action interlock of described angle test section and back of seat; Heart yearn, connection angle test section and taking-up device make the posture of acceleration pick-up and the rotation interlock of angle test section; The heart yearn shell covers the part that is connected with the angle test section in the heart yearn, and the angle test section has housing department and cam part, and wherein housing department is outer packaging, and is connected rotation with the heart yearn shell; Cam part is covered by housing department, is fixed with the heart yearn end of exposing from the front end of heart yearn shell, and separates with housing department and to rotate separately or stop, and cam part has the long length-diameter part of radius of rotation; The minor axis section that radius of rotation is short; From the outer rim of the length-diameter part outer rim towards minor axis section, depart from the centre of gration direction of cam part and extend and the planar portions that forms along the direction at length-diameter part place; Outer rim from the outer rim of length-diameter part to planar portions, hand of rotation setting along cam part, and batch the slot part of heart yearn, heart yearn has fixed part, it is located at the heart yearn end and joins with planar portions, heart yearn is fixed on slot part, fixed part has to the end face of heart yearn Width expansion, joins by end face and planar portions.
At first, in above-mentioned structure, the structure that heart yearn is fixed on cam part becomes simple.Yet moreover, the structure of the end by above-mentioned planar portions and fixed part, the swing-around trajectory of the cam part of can be relatively mainly being drawn by length-diameter part allows the heart yearn end be positioned at the inboard.Therefore, during the housing department rotation, the terminal risk that does not just have contact housing department inboard of heart yearn.Thus, can keep the smooth rotation of housing department, and by preventing that the inner dust that produces of housing department from preventing its function reduction, thereby durability improved.And planar portions does not need proper smooth.For example, planar portions also can be some curved surfaces, in addition, can also slightly have concavo-convex.In other words, planar portions can arrange fixed part, if as its as a result the end of heart yearn to be positioned at the swing-around trajectory of cam part inboard.
In order to solve above-mentioned problem, being characterized as of other representative construction of seat belt apparatus involved in the present invention possesses: taking-up device, and be located on the back of seat that can tilt to the vehicle fore-and-aft direction, and have acceleration pick-up; The angle test section is arranged on the shaft component with one heart with back of seat, and wherein, this shaft component support seat back can tilt, and the rotation of the tilting action interlock of described angle test section and back of seat; Heart yearn, connection angle test section and taking-up device make the posture of acceleration pick-up and the rotation interlock of angle test section; The heart yearn shell covers the part that is connected with the angle test section in the heart yearn, and the angle test section has housing department and cam part, and wherein housing department is outer packaging, and is connected rotation with the heart yearn shell; Cam part is covered by housing department, is fixed with the heart yearn end of exposing from the front end of heart yearn shell, and separates with housing department and to rotate separately or stop, and cam part has the minor axis section that the long length-diameter part of radius of rotation and radius of rotation are lacked; Extend and the planar portions of formation to the outer rim of minor axis section from the outer rim of length-diameter part, planar portions has i.e. i.e. the 2nd end of minor axis section side end on the 1st end and the planar portions of length-diameter part side end on the planar portions, form described planar portions so that, the 1st imaginary line segment that connects the 1st end and cam part centre of gration has a certain degree with the 2nd imaginary line segment shape on the direction at length-diameter part place that is connected the 2nd end and cam part centre of gration.Further, cam part has slot part, it is from the length-diameter part outer rim to planar portions always along the hand of rotation setting of cam part, and batch heart yearn, heart yearn has fixed part, it is located at the heart yearn end and joins with planar portions, heart yearn is fixed on slot part, and fixed part has to the end face of heart yearn Width expansion, joins by end face and planar portions.
According to above-mentioned structure, it is inboard that the heart yearn end also is that the swing-around trajectory with respect to cam part is positioned at.Therefore, when housing department rotates, just do not worry heart yearn terminal can with side contacts in it.Thus, can keep the smooth rotation of housing department, and by preventing that the inner dust that produces of housing department from preventing its function reduction, thereby the durability of seat belt apparatus improved.
In order to solve above-mentioned problem, being characterized as of other representative construction of seat belt apparatus involved in the present invention possesses: taking-up device, and it is located on the back of seat that can tilt to the vehicle fore-and-aft direction, and has acceleration pick-up; The angle test section is arranged on the shaft component with one heart with back of seat, and wherein, this shaft component support seat back also can tilt, and the rotation of the tilting action interlock of described angle test section and back of seat; Heart yearn, connection angle test section and taking-up device make the posture of acceleration pick-up and the rotation interlock of angle test section; The heart yearn shell covers the part that is connected with the angle test section in the heart yearn, and the angle test section has housing department and cam part, and wherein housing department is outer packaging, and is connected rotation with the heart yearn shell; Cam part is covered by housing department, is fixed with the heart yearn end of exposing from the front end of heart yearn shell, separates with housing department and rotates separately or stop, and cam part has the minor axis section that the long length-diameter part of radius of rotation and radius of rotation are lacked; Extend and the planar portions of formation to the outer rim of minor axis section from the outer rim of length-diameter part, form described planar portions, so that i.e. i.e. the 3rd imaginary line segment of the 2nd end of minor axis section side end on the 1st end and the planar portions of the length-diameter part side end on the connection planar portions, tangent line with the minor axis section of the 2nd end, space one side in planar portions and the formation of minor axis section forms acute angle, further, cam part has slot part, it is from the length-diameter part outer rim to planar portions always along the hand of rotation setting of cam part, and batch heart yearn, heart yearn has fixed part, it is located at the heart yearn end and joins with planar portions, heart yearn is fixed on slot part, fixed part has to the end face of heart yearn Width expansion, joins by end face and planar portions.
According to above-mentioned structure, it is inboard that the heart yearn end also is that the swing-around trajectory with respect to cam part is positioned at.Therefore, when housing department rotated, just not worrying that heart yearn is terminal can be with side contacts in it.Thus, can keep the smooth rotation of housing department, and by preventing that the inner dust that produces of housing department from preventing its function reduction, thereby the durability of seat belt apparatus improved.
Above-mentioned fixed part is metal-made, is installed in riveted joint (filleting) member on the heart yearn by riveted joint (filleting).Thus can simplified construction, therefore can finish the fixed operation that heart yearn is fixed on cam part with the shorter time.
The invention effect
According to the present invention, can provide a kind of seat belt apparatus that can mainly angle test section inner structure be simplified.
Description of drawings
[Fig. 1] is the exemplary plot of the related seat belt apparatus of the 1st embodiment of the present invention.
[Fig. 2] is the independent exemplary plot of the taking-up device of Fig. 1.
[Fig. 3] is the exploded drawings of the angle test section of Fig. 1.
[Fig. 4] is the independent exemplary plot of the cam part of Fig. 3.
[Fig. 5] is the expansion exemplary plot of heart yearn and the fixed part of Fig. 3.
[Fig. 6] is the independent exemplary plot of the cam part identical with Fig. 4 (a).
[Fig. 7] is that the angle test section follows back of seat to tilt and the rotary course exemplary plot of rotation.
The specific embodiment
Below with reference to accompanying drawings, be elaborated with regard to preferred forms of the present invention.Size shown in this embodiment, material, and other concrete numerical value etc., only be to make the understandable example of invention, unless special stipulation, the present invention is not limited.And, in this specification sheets and accompanying drawing, for the key element that is actually same function, structure, will by omitting repeat specification with prosign, in addition, not have the key element of direct relation will omit diagram with the present invention.(the 1st embodiment)
Fig. 1 is the exemplary plot of the related seat belt apparatus 100 of the 1st embodiment of the present invention.A part that consists of the key element of this seat belt apparatus 100 is located at the inside of seat 102.Seat 102 is envisioned for the front part of vehicle seat, comprises Chain cushion 104 and back of seat 106.Especially back of seat 106, and it is can be towards the structure of vehicle fore-and-aft direction inclination.
Back of seat 106 is built-in with taking-up device 108, and taking-up device 108 is included in the seat belt apparatus 100.Taking-up device 108 is the positions of batching and taking in banded ribbon 110.Taking-up device 108 is owing to be built in the back of seat 106, and therefore the tilting action with back of seat 106 changes position and posture.
Fig. 2 is the independent exemplary plot of the taking-up device 108 of Fig. 1.Fig. 2 (b) is from showing that with Fig. 1 equidirectional the figure of taking-up device 108, Fig. 2 (a) have shown the state when watching the taking-up device 108 of Fig. 2 (b) from vehicle front.
Shown in Fig. 2 (a), taking-up device 108 contains the framework 112 as skeleton, and mandrel 114 can be arranged on this framework 112 rotatably.Mandrel 114 is the positions that become this axle when batching the ribbon 110 of Fig. 1.
Taking-up device 108 inside have acceleration pick-up 116.The acceleration/accel or the deceleration/decel that produce under the emergencies such as acceleration pick-up 116 collision detection.Acceleration pick-up 116 mainly by comprising ball shape pouring weight (Weight) 118, take in the outer cover 120 of pouring weight (Weight) 118, and bar 122 consists of.The structure of pouring weight (Weight) 118 is when moving under the acceleration/accel effect, and taking-up device 108 stops to discharge ribbon 110 and constraint driving person accordingly by fixed central spindles 114 such as bars 122.
The acceleration pick-up 116 of above-mentioned structure is in order to work, and the posture that needs to be set as A-stage keeps certain.Yet, because acceleration pick-up 116 is located at back of seat 106 inside of Fig. 1, generally the tilting action with back of seat 106 can be changed posture.Therefore, seat belt apparatus 100 shown in Figure 1 is provided with angle test section 124, makes acceleration pick-up 116 keep certain posture under the effect of this angle test section 124.
As shown in Figure 1, angle test section 124 is installed in shaft component 126, and back of seat 106 is supported by shaft component 126 and can tilt.In the angle test section 124, although bar section 128 is fixed on the Chain cushion 104, outer packaging is that housing department 130 is fixed on the back of seat 106.Housing department 130 is with respect to shaft component 126, with back of seat 106 be made as concentric, with the tilting action interlock rotation of back of seat 106.And be constructed as follows: housing department 130 is connected with taking-up device by heart yearn 132 connections, and the rotation of housing department 130 is conveyed to taking-up device 108 by heart yearn 132, with this rotation interlock, thus the posture of control acceleration pick-up 116.And as shown in Figure 3, most of zone of heart yearn 132 is enclosed in the outer tube sleeve 133.
Fig. 3 is the exploded drawings of the angle test section 124 of Fig. 1.In the angle test section 124 shown in Figure 3, board 134 and bar section 128 have the fixedly effect of tool.Board 134 is fixed on the back of seat 106 of Fig. 1, and bar section 128 is fixed on the Chain cushion 104 as mentioned above, and accordingly, angle test section 124 can rotate with the tilting action of back of seat 106.
The part of connected with outer casing section 130 is covered by heart yearn shell 136 in the heart yearn 132.This heart yearn shell 136 is embedded in the groove shape installation portion 138 of being located at housing department 130.Expose from the front end of heart yearn shell 136 heart yearn end 140, and this end 140 utilizes fixed part 142 to be fixed on cam part 144.
Because heart yearn 132 utilizes fixed part 142 to be fixed on the cam part 144, even therefore after cam part 144 stops, housing department 130 also will continue rotation, and heart yearn 132 is just little by little batched by cam part 144 and is drawn out from heart yearn shell 136.Thus, heart yearn 132 is batched by cam part 144, and as shown in Figure 1, angle test section 124 just is in the state of pulling out heart yearn 132 from taking-up device 108.
On the other hand, the internal structure of the taking-up device 108 of Fig. 2 is that with the stretching interlock of heart yearn 132, the posture of acceleration pick-up 116 changes.Especially, the level of stretch that the posture of acceleration pick-up 116 is changed heart yearn 132 in the regulation angle of inclination of degree and back of seat 106 is regulated mutually, so that acceleration pick-up 116 is not affected by or not the angle of inclination of back of seat 106 and keeps certain posture as shown in Figure 1 always.Thus, acceleration pick-up 116 can keep certain posture.
Fig. 4 is the independent exemplary plot of the cam part 144 of Fig. 3.Fig. 4 (a) is the plane exemplary plot of observing cam part 144 from the side.Shown in Fig. 4 (a), cam part 144 comprise radius of rotation r1 take centre of gration P1 as starting point than major radius section 146, and radius of rotation r2 than short radius section 148, radius of rotation r1＞radius of rotation r2 wherein.And, between length-diameter part 146 and the minor axis section 148, be formed with planar portions 150.Especially in the present embodiment, by from the outer rim of length-diameter part 146 outer rim towards minor axis section 148, depart from the direction of the centre of gration P1 of cam part 144 and extend towards the direction at length-diameter part 146 places, thereby form planar portions 150.In other words, planar portions 150 is formed on radius of rotation r2 take minor axis section 148 on the extended line of the string G of the circle of radius.
Fig. 4 (b) is the main oblique drawing that shows length-diameter part 146 in the cam part 144.Shown in Fig. 4 (b), the end face 152 from length-diameter part 146 outer rims to the outer rim of planar portions 150 is provided with slot part 154.Slot part 154 is be used to the position of batching heart yearn shown in Figure 3, along the hand of rotation of cam part 144 and establish.And, if also will deeply form slot part 154 than the width of heart yearn 132, when then housing department 130 rotates, can avoid heart yearn 132 contact housing departments 130, therefore comparatively desirable.
Fig. 5 is the expansion exemplary plot of heart yearn 132 and the fixed part 142 of Fig. 3.Fixed part 142 shown in Fig. 5 (a) is realized by metallic swage (swage) member in the present embodiment.Fixed part 142 has to the end face 158 of heart yearn 132 Width W1 expansion.
Fig. 5 (b) is mounted in heart yearn 132 under the state of cam part 144 of Fig. 4 (a) and the exemplary plot of fixed part 142.Shown in Fig. 5 (b), heart yearn 132 is fixed on the slot part 154 of Fig. 4 (b), and the end face 158 of fixed part 142 is contacted with the planar portions 150 of cam part 144.As an example of the method for attachment of heart yearn 132, when by tension gauge or pressure sensor etc. tension adjustment being the silicon definite value, with stretching heart yearns 132 such as clamps, wherein tension gauge or pressure sensor are all not shown.And, fixed part 142 is moved to till the position of planar portions 150 of its end 158 contact cam part 144, compress, heart yearn 132 is fixed on the slot part 154 by applying load for fixed part 142 with clamp etc.Fixed part 142 becomes the filleting member like this, thereby can finish the fixed operation that heart yearn 132 is fixed to cam part 144 with the shorter time.
Being characterized as of present embodiment, as Fig. 4 (a) casehistory, the planar portions 150 of cam part 144 from length-diameter part 146 towards minor axis section 148, the i.e. right side and forming the figure of length-diameter part 146 1 sides that extend to centre of gration P1 relatively.And shown in Fig. 5 (a), the end face 158 of fixed part 142 further shown in Fig. 5 (b), makes heart yearn 132 be connected with cam part 144 for making end face 158 with planar portions 150 contacts for forming to heart yearn 132 Width W1 expansion.By these structures, to be fixed part 142 the first sections extend and dispose in the vertical direction of planar portions 150 end 156 of heart yearn 132.That is, be configured to, the end 156 of heart yearn 132 is relatively mainly drawn the swing-around trajectory C1 of the cam part 144 that forms by length-diameter part 146, is positioned at its inboard.
The below further describes with regard to the shape of the planar portions 150 of the feature of present embodiment.Fig. 6 is the independent exemplary plot of the cam part 144 identical with Fig. 4 (a).At first, in the planar portions 150 of Fig. 6 (a), an end of length-diameter part 146 sides of planar portions 150 as the 1st end D1, will be connected the line segment of the 1st end D1 and centre of gration P1 as the 1st imaginary line segment I1.Then, an end of minor axis section 148 sides of planar portions 150 as the 2nd end D 2, will be connected the line segment of the 2nd end D2 and centre of gration P1 as the 2nd imaginary line segment I2.At this moment, the shape of the planar portions 150 of present embodiment is formed, and the 2nd imaginary line segment I 2 and the 1st imaginary line segment I1 form predetermined angular α 1 in length-diameter part 146 place directions, and 0 °＜α 1.
Further with reference to figure 6(b), with the shape of above-mentioned different modes illustrated planar section 150.The shape of the planar portions 150 of present embodiment is formed, the 3rd imaginary line segment I3 that connects the 1st end D1 and the 2nd end D2, its with at the tangent line L2 of the locational minor axis of the 2nd end D2 section 148, forming space S one side in minor axis section 148, to draw angle [alpha] 2 be acute angle, namely 0 °＜α is 2＜90 °.By the planar portions 150 of shape described above, can access effect and the effect of the following stated.
Fig. 7 is that angle test section 124 follows back of seat shown in Figure 1 106 to tilt and the rotary course exemplary plot of rotation.Fig. 7 (a) has shown that the angle of inclination is the angle test section 124 of the back of seat 106 of general run of thins.Structure according to the above description, shown in Fig. 7 (a), the end 156 of heart yearn 132 is positioned at the inboard of the swing-around trajectory C1 of relative cam part 144.At this, allow cam part 144 rotations to form the inboard of housing department 130 according to swing-around trajectory C1.According to these structures, when housing department 130 rotated state to Fig. 7 (b) from the state of Fig. 7 (a), the possibility that the end 156 of heart yearn 132 touches housing department 130 inboards reduced.Therefore, can keep the smooth rotation of housing department 130, and by preventing that the inner dust that produces of housing department from preventing its function reduction, thereby durability improved.
Abovely be illustrated with regard to preferred embodiment of the present invention with reference to accompanying drawing, but above-mentioned embodiment is preferred embodiment of the present invention, embodiment in addition also can be implemented or carries out by the whole bag of tricks.As long as there is not the content record of particular determination in this specification sheets, the present invention is not limited by shape, size and the structure configuration etc. of detailed components shown in the drawings.In addition, the purpose of phraseology as used in this specification and term is to describe, and the content record as long as no particular determination is not limited.
Therefore, in the category that the patent claimed range is put down in writing, the sector person can expect naturally in various modifications or modification, certainly also is considered to belong in the technology category of the present invention.
The industrial possibility of utilizing
The present invention can utilize and be located at seat belt apparatus on the seat, by banded ribbon constraint driving person.
Nomenclature
D1 ... the 1st end of planar portions
D2 ... the 2nd end of planar portions
I1 to I3 ... the the 1st to the 3rd imaginary line segment
P1 ... centre of gration
L1 ... line segment
L2 ... minor axis section tangent line
C1 ... swing-around trajectory
R1 ... the radius of rotation of length-diameter part
W1 ... Width
R2 ... the radius of rotation of minor axis section
100 ... seat belt apparatus
102 ... seat
104 ... Chain cushion
106 ... back of seat
108 ... taking-up device
110 ... ribbon
112 ... framework
114 ... mandrel
116 ... acceleration pick-up
118 ... pouring weight (Weight)
120 ... outer cover
122 ... bar
124 ... the angle test section
126 ... shaft component
128 ... shaft component
130 ... housing department
132 ... heart yearn
133 ... outer tube sleeve
134 ... board
136 ... the heart yearn shell
138 ... installation portion
140 ... the end
142 ... fixed part
144 ... cam part
146 ... length-diameter part
148 ... minor axis section
150 ... planar portions
152 ... end face
154 ... slot part
156 ... terminal
158 ... terminal
Claims (4)
1. seat belt apparatus is characterized in that possessing:
Taking-up device is located on the back of seat that can tilt to the vehicle fore-and-aft direction and is had acceleration pick-up;
The angle test section is arranged on the shaft component with one heart with described back of seat, and wherein, this shaft component supports described back of seat and can tilt, and the rotation of the tilting action interlock of described angle test section and this back of seat;
Heart yearn connects described angle test section and taking-up device, makes the posture of described acceleration pick-up and the rotation interlock of this angle test section;
The heart yearn shell covers the part that is connected with described angle test section in the described heart yearn,
Described angle test section has housing department and cam part,
Wherein housing department is outer packaging, and is connected with described heart yearn shell and carries out described rotation;
Cam part is covered by described housing department, is fixed with the described heart yearn end of exposing from the front end of described heart yearn shell, and separates with this housing department and to rotate separately or stop,
Described cam part has:
The length-diameter part that radius of rotation is long;
The minor axis section that radius of rotation is short;
From the outer rim of the described length-diameter part outer rim towards minor axis section, depart from the centre of gration direction of this cam part and extend and the planar portions that forms along the direction at this length-diameter part place;
Outer rim from the outer rim of described length-diameter part to described planar portions along the hand of rotation setting of this cam part, and is batched the slot part of described heart yearn,
Described heart yearn has fixed part, and it is located at this heart yearn end and joins with described planar portions, this heart yearn is fixed on described slot part,
Described fixed part has to the end face of described heart yearn Width expansion, joins by this end face and described planar portions.
2. seat belt apparatus is characterized in that possessing:
Taking-up device is located on the back of seat that can tilt to the vehicle fore-and-aft direction and is had acceleration pick-up;
The angle test section is arranged on the shaft component with one heart with described back of seat, and wherein, this shaft component supports described back of seat and can tilt, and the rotation of the tilting action interlock of described angle test section and this back of seat;
Heart yearn connects described angle test section and taking-up device, makes the posture of described acceleration pick-up and the rotation interlock of this angle test section;
The heart yearn shell covers the part that is connected with described angle test section in the described heart yearn,
Described angle test section has housing department and cam part,
Wherein said housing department is outer packaging, and is connected with described heart yearn shell and carries out described rotation;
Described cam part is covered by described housing department, is fixed with the described heart yearn end of exposing from the front end of described heart yearn shell, and separates with this housing department and to rotate separately or stop,
Described cam part has,
The length-diameter part that radius of rotation is long;
The minor axis section that radius of rotation is short;
Extend and the planar portions of formation to the outer rim of minor axis section from the outer rim of described length-diameter part,
Described planar portions has: the described length-diameter part side end on this planar portions i.e. the 1st end; Described minor axis section side end on this planar portions i.e. the 2nd end,
Form described planar portions, so that connect the 2nd imaginary line segment of described the 2nd end and described cam part centre of gration, with the 1st imaginary line segment that is connected described the 1st end and described cam part centre of gration, the direction at this length-diameter part place forms the angle of stipulating,
Further, described cam part has slot part, and this slot part is from described length-diameter part outer rim to described planar portions along the hand of rotation setting of this cam part, and batches described heart yearn,
Described heart yearn has fixed part, and it is located at this heart yearn end and joins with described planar portions, this heart yearn is fixed on described slot part,
Described fixed part has to the end face of described heart yearn Width expansion, joins by this end face and planar portions.
3. seat belt apparatus is characterized in that possessing:
Taking-up device is located on the back of seat that can tilt to the vehicle fore-and-aft direction, and is had acceleration pick-up;
The angle test section arranges on the shaft component with one heart with described back of seat, and this shaft component supports described back of seat and can tilt, and the rotation of the tilting action interlock of described angle test section and this back of seat;
Heart yearn connects described angle test section and taking-up device, makes the posture of described acceleration pick-up and the rotation interlock of this angle test section;
The heart yearn shell covers the part that is connected with described angle test section in the described heart yearn,
Described angle test section has housing department and cam part,
Wherein said housing department is outer packaging, and is connected with described heart yearn shell and carries out described rotation;
Described cam part is covered by described housing department, is fixed with the described heart yearn end of exposing from the front end of described heart yearn shell, and separate with this housing department and rotate separately or stop,
Described cam part has,
The length-diameter part that radius of rotation is long;
The minor axis section that radius of rotation is short;
Extend and the planar portions of formation to the outer rim of minor axis section from the outer rim of described length-diameter part,
Form described planar portions, so that connect i.e. i.e. the 3rd imaginary line segment of the 2nd end of described minor axis section side end on the 1st end and this planar portions of described length-diameter part side end on this planar portions, tangent line with this minor axis section on the 2nd end position, space one side in this planar portions and the formation of this minor axis section forms acute angle
Further, described cam part has slot part, and this slot part is from described length-diameter part outer rim to described planar portions along the hand of rotation setting of this cam part, and batches described heart yearn,
Described heart yearn has fixed part, and it is located at this heart yearn end and joins with described planar portions, this heart yearn is fixed on described slot part,
Described fixed part has to the end face of described heart yearn Width expansion, joins by this end face and described planar portions.
4. such as each described seat belt apparatus in the claims 1 to 3, it is characterized in that described fixed part is metal-made, be installed in riveted joint member on the described heart yearn by riveted joint.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011203856 | 2011-09-16 | ||
| JP2011-203856 | 2011-09-16 | ||
| JP2012166406A JP5613204B2 (en) | 2011-09-16 | 2012-07-26 | Seat belt device |
| JP2012-166406 | 2012-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102991452A true CN102991452A (en) | 2013-03-27 |
| CN102991452B CN102991452B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210342386.5A Active CN102991452B (en) | 2011-09-16 | 2012-09-14 | Safety belt device |
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| Country | Link |
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| CN (1) | CN102991452B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688629A (en) * | 2020-07-16 | 2020-09-22 | 延锋汽车智能安全系统有限责任公司 | Transmission mechanism of coiler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0858934A1 (en) * | 1997-02-18 | 1998-08-19 | Takata Corporation | Seat belt device |
| US6367728B1 (en) * | 1999-05-11 | 2002-04-09 | Autoliv Development Ab | Belt winding device/belt tensioner combination with separable belt tensioner drive |
| CN101084134A (en) * | 2004-07-27 | 2007-12-05 | 波特集团有限责任公司 | Vehicle seat back recliner and assembly |
| CN101902001A (en) * | 2008-12-22 | 2010-12-01 | 旭硝子株式会社 | Connector, antenna provided with the connector, and vehicular window glass provided with the antenna |
-
2012
- 2012-09-14 CN CN201210342386.5A patent/CN102991452B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0858934A1 (en) * | 1997-02-18 | 1998-08-19 | Takata Corporation | Seat belt device |
| US6367728B1 (en) * | 1999-05-11 | 2002-04-09 | Autoliv Development Ab | Belt winding device/belt tensioner combination with separable belt tensioner drive |
| CN101084134A (en) * | 2004-07-27 | 2007-12-05 | 波特集团有限责任公司 | Vehicle seat back recliner and assembly |
| CN101902001A (en) * | 2008-12-22 | 2010-12-01 | 旭硝子株式会社 | Connector, antenna provided with the connector, and vehicular window glass provided with the antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688629A (en) * | 2020-07-16 | 2020-09-22 | 延锋汽车智能安全系统有限责任公司 | Transmission mechanism of coiler |
| CN111688629B (en) * | 2020-07-16 | 2024-04-30 | 延锋汽车智能安全系统有限责任公司 | Transmission mechanism of retractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102991452B (en) | 2015-07-01 |
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