CN104057855A - Leg support device for vehicle seat - Google Patents
Leg support device for vehicle seat Download PDFInfo
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- CN104057855A CN104057855A CN201410079916.0A CN201410079916A CN104057855A CN 104057855 A CN104057855 A CN 104057855A CN 201410079916 A CN201410079916 A CN 201410079916A CN 104057855 A CN104057855 A CN 104057855A
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- China
- Prior art keywords
- chaining part
- legs
- chaining
- cardinal extremity
- rotationally
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- Seats For Vehicles (AREA)
- Passenger Equipment (AREA)
Abstract
The invention relates to a leg support device for a vehicle seat. A leg support position reduces the inlet amount of a first base end chain piece and a second base end chain piece to a space between the front of the seat and a vehicle floor surface at a storage position. The leg support device for the vehicle seat comprises a fixing portion fixed to the vehicle seat, a leg support portion capable of moving between the storage position close to the fixing portion and a using region far away from the fixing portion, and a chain piece mechanism connected between the fixing portion and the leg support portion and enabling the leg support portion to move towards the storage position and the using region through telescoping, the chain piece mechanism comprises a first chain piece set and a second chain piece set, the fist chain piece set comprises a first link chain piece for supporting the leg support portion and far away from the first link chain piece and the first base end chain piece only rotatably connected to the first link chain piece and the fixing portion, and the second chain piece set comprises a second link chain piece for supporting the leg support portion and far away from the fixing portion and the second base end chain piece only rotatably connected to the second link chain piece and the fixing portion.
Description
Technical field
The vehicular seats legs and feet bracing or strutting arrangement (オ ッ ト マ Application device) that the present invention relates to be installed on seat and use.
Background technology
As the prior art of vehicular seats legs and feet bracing or strutting arrangement, for example, there is the technology being disclosed in patent documentation 1.
This legs and feet bracing or strutting arrangement possesses: the chaining part mechanism being supported by fixed part, the legs and feet support portion of being supported by the other end (front end) of chaining part mechanism can be stretched and shrink in fixed part (bracket), one end (rear end) fixing with respect to the front portion of vehicle seat used seat cushion.
Chaining part mechanism possesses the first chaining part group and the second chaining part group.
The first chaining part group possesses: the first contact links part that the first cardinal extremity chaining part connecting rotationally with respect to fixed part is connected with respect to the first cardinal extremity chaining part rotationally with one end and the other end connects rotationally with respect to legs and feet support portion.
On the other hand, the second chaining part group possesses: (being made up of multiple chaining parts) second contact links part that the second cardinal extremity chaining part connecting rotationally with respect to fixed part is connected with respect to the second cardinal extremity chaining part rotationally with one end and the other end connects rotationally with respect to legs and feet support portion.
In addition, connect rotationally the pars intermedia of the second contact links part (forming a chaining part of the second contact links part) at the pars intermedia of the first cardinal extremity chaining part.
In chaining part mechanism, in the time approaching the contraction state of fixed part side, legs and feet support zone is in the reception position that approaches fixed part side.
On the other hand, when chaining part mechanism in forwards extend extended configuration time, move from reception position use region forwards legs and feet support portion.Therefore the passenger who, is seated on seat can be placed in the leg of oneself on legs and feet support portion.
Prior art document
Patent documentation
Patent documentation 1: No. 4645315 communique of Japanese Patent
Summary of the invention
(problem that invention will solve)
Conventionally, the seat cushion of seat, via being located at railroad of vehicle floor face etc., is installed on vehicle floor face, and forms space between the front portion of seat cushion and vehicle floor face.In addition, be mostly configured for the sliding driving device that drives and rising on respect to rear portion for the front portion that makes seat cushion and the jacking system that declines etc. that seat (getting on the right track of railroad) is slided with respect to vehicle floor face (lower railway of railroad) in this space.
The fixed part of legs and feet bracing or strutting arrangement is fixed on the front portion of seat cushion, and therefore, when chaining part mechanism is in contraction state and legs and feet support zone during in reception position, the first cardinal extremity chaining part and the second cardinal extremity chaining part enter the space between seat cushion front portion and vehicle floor face.
But, owing to configuring sliding driving device or jacking system etc. in this space, so in the time that the first cardinal extremity chaining part of legs and feet support zone during in reception position and the second cardinal extremity chaining part increase to the inlet in this space, the first cardinal extremity chaining part and the second cardinal extremity chaining part likely can interfere with sliding driving device or jacking system.
Therefore, it is desirable to during in reception position, reduce the first cardinal extremity chaining part and the second cardinal extremity chaining part inlet to this space at legs and feet support zone.
But, the legs and feet bracing or strutting arrangement of patent documentation 1 is due to the pars intermedia of the first cardinal extremity chaining part is connected rotationally with the pars intermedia of the second contact links part (forming a chaining part of the second contact links part), therefore, the first cardinal extremity chaining part and the second cardinal extremity chaining part limit rotation action each other each other.Therefore, the Design freedom of the rotary motion trace of the first cardinal extremity chaining part and the second cardinal extremity chaining part reduces, and therefore, is difficult to reduce the first cardinal extremity chaining part of legs and feet support zone in the time of reception position and the second cardinal extremity chaining part inlet to this space.
The invention provides a kind of vehicular seats legs and feet bracing or strutting arrangement, during in reception position, can reduce the first cardinal extremity chaining part and the second cardinal extremity chaining part inlet to the space between seat front portion and vehicle floor face at legs and feet support zone.
(technical scheme of technical solution problem)
Legs and feet bracing or strutting arrangement of the present invention, is characterized in that possessing: fixed part, and it is fixed on seat; Legs and feet support portion, it can move approaching between the reception position of this fixed part and the use region away from this fixed part; Chaining part mechanism, it is connected described fixed part with described legs and feet support portion, make described legs and feet support portion move to described reception position and described use region by stretching, described chaining part mechanism possesses: the first chaining part group, and it has the first cardinal extremity chaining part that supports described legs and feet support portion and leave the first contact links part of described fixed part and only connect rotationally with respect to this first contact links part and described fixed part; The second chaining part group, it has the second cardinal extremity chaining part that supports described legs and feet support portion and leave the second contact links part of described fixed part and only connect rotationally with respect to this second contact links part and described fixed part.
Legs and feet bracing or strutting arrangement of the present invention, also can be as follows: described the second cardinal extremity chaining part possesses: the first connecting portion, it,, from being that center of turn extends with respect to the rotating junction of described fixed part, and connects with respect to the limiting unit of the rotation that can limit described the second cardinal extremity chaining part rotationally; The second connecting portion, it extends to the direction of intersecting with respect to described the first connecting portion from described center of turn, and is connected in rotationally described the second contact links part.
Legs and feet bracing or strutting arrangement of the present invention, also can be as follows: described the second cardinal extremity chaining part possesses: the first connecting portion, it,, from being that center of turn extends with respect to the rotating junction of described fixed part, and connects with respect to the limiting unit of the rotation that can limit described the second cardinal extremity chaining part rotationally; The second connecting portion, it extends to the direction that is different from described the first connecting portion from described center of turn, and be connected in rotationally described the second contact links part, wherein, make from the rotating junction of described limiting unit and described the first connecting portion to the distance of described center of turn and different to the distance of described center of turn from the rotating junction of described the second contact links part and described the second connecting portion.
Legs and feet bracing or strutting arrangement of the present invention can be also as follows: described limiting unit possesses: limit rotation chaining part, and it is connected rotationally with described the first connecting portion; Lock cell, itself and this limit rotation chaining part contacts, and can switch the released state of the rotation of allowing this limit rotation chaining part and the lock-out state that restriction is rotated.
(effect of invention)
In vehicular seats legs and feet bracing or strutting arrangement of the present invention, the first cardinal extremity chaining part only connects rotationally with respect to the first contact links part and fixed part, and the second cardinal extremity chaining part only connects rotationally with respect to the second contact links part and fixed part.
,, because the first cardinal extremity chaining part is not connected each other rotationally with the second cardinal extremity chaining part, therefore, the first cardinal extremity chaining part and the second cardinal extremity chaining part can not limit rotation action each other each other.
Therefore, compare the situation that the first cardinal extremity chaining part is connected rotationally with the second cardinal extremity chaining part, the Design freedom of the rotary motion trace of the first cardinal extremity chaining part and the second cardinal extremity chaining part improves.Therefore, during in reception position, can reduce the first cardinal extremity chaining part and the second cardinal extremity chaining part inlet to the space between seat front portion and vehicle floor face at legs and feet support zone.
As the invention of second aspect forms, compare the situation that the second cardinal extremity chaining part is configured to rectilinear form parts, can further reduce the inlet of the second cardinal extremity chaining part of legs and feet support zone in the time of reception position to described space.
As the invention of the third aspect forms, can carry out the adjustment of legs and feet support portion (chaining part mechanism) with respect to the rate of travel of fixed part.
As the invention of fourth aspect forms, can be in limited space configurable limit unit (configuration degree of freedom improves).
Brief description of the drawings
Fig. 1 be make legs and feet support zone in reception position and omit electrical motor and backward member represent an embodiment of the present invention seat seat cushion and be installed on the lateral plan of the anterior legs and feet bracing or strutting arrangement of seat cushion.
Fig. 2 is the lateral plan of the legs and feet bracing or strutting arrangement of legs and feet support portion while moving to front position.
Fig. 3 is the exploded perspective view of legs and feet bracing or strutting arrangement.
Fig. 4 is the block diagram of the legs and feet bracing or strutting arrangement of legs and feet support zone in the time of reception position.
Fig. 5 is the block diagram of the legs and feet bracing or strutting arrangement of legs and feet support zone in the time of front position.
Nomenclature
10 is vehicle seat used
11 seat cushions
13 legs and feet bracing or strutting arrangements
14A fixed part
14B fixed part
15 chaining part mechanisms
15A the first chaining part group
15B the second chaining part group
16 connection shafts (limiting unit)
17 first cardinal extremity chaining parts (limiting unit)
17a combination recess
18 second cardinal extremity chaining parts
18a center of turn hole (center of turn)
18b the first connecting portion
18c the second connecting portion
20 are rotationally connected pin
21 legs and feet support portion rear flank portion chaining parts (the first contact links part)
22 are rotationally connected pin
24 intermediate chain fittings (the second contact links part)
25,26 be rotationally connected pin
28 legs and feet support portion forequarter chaining parts (the second contact links part)
29 are rotationally connected pin
31 unitary rotation chaining parts (limiting unit) (limit rotation chaining part)
31a combination recess
33 interlock chaining parts (limiting unit) (limit rotation chaining part)
34,35,36,37 be rotationally connected pin
38 legs and feet support portions
39 substrates
40 seat cushions
42 actuating device support components
45 actuating devices
46 main shafts (limiting unit)
47 are rotationally connected pin
49 electrical motors (limiting unit) (lock cell)
50 housings
51 cylindric teats
52 electrical motor through holes
54 backward members (limiting unit)
55 fixed orifices
56 installation sheets
57 mounting holes
59 are rotationally connected pin (limiting unit)
S space.
Detailed description of the invention
Below, with reference to accompanying drawing, one embodiment of the present invention is described.In addition, the direction in the following description is taking the direction of arrow in scheming as benchmark.
In the car that is equipped with vehicle seat used 10 vehicle shown in Fig. 1, in floor, be provided with pair of right and left railroad (omitting diagram).The railroad of left and right possesses and is fixed on the lower railway that the direction forwards, backwards in floor is extended in car and is supported in slidably getting on the right track of lower railway.On the getting on the right track of left and right, be fixed with vehicle seat used 10 seat cushion 11, be rotatably mounted with back of seat (omitting diagram) at the rear portion of seat cushion 11.As shown in the figure, in the front portion of seat cushion 11 and car, between floor, be formed with space S.Be equipped with the electrical motor for slide rail (omitting diagram) being fixed on above-mentioned lower railway in this space S.In the time that slide rail is used electrical motor forward, get on the right track (seat cushion 11 and back of seat) forwards moves with respect to lower railway, and in the time that slide rail reverses with electrical motor, get on the right track (seat cushion 11 and back of seat) rearward moves with respect to lower railway.
In addition, between the front portion of getting on the right track and the front portion of seat cushion 11, be provided with lifting mechanism (omitting diagram).This lifting mechanism possesses up and down the telescopic lifting of direction chaining part mechanism and for the flexible lifting electrical motor of Shi Gai chaining part mechanism.This lifting mechanism is also disposed in space S.In the time that electrical motor forward is used in lifting, lifting is stretched with chaining part mechanism, and therefore, the front portion of seat cushion 11 is promoted upward with respect to rear portion.On the other hand, in the time that lifting reverses with electrical motor, lifting is retracted with chaining part mechanism, and the front portion of seat cushion 11 declines with respect to rear portion.
Leading section below seat cushion 11 vehicle seat used 10 is provided with the legs and feet bracing or strutting arrangement 13 of dynamical type.
Legs and feet bracing or strutting arrangement 13 is the structure of following explanation.
Legs and feet bracing or strutting arrangement 13 possesses pair of right and left fixed part 14A, 14B.The both ends of the connection shaft 16 of the cylindrical shape that chimeric direction is to the left and right extended rotationally respectively in the circular port of fixed part 14A, 14B that is formed at left and right.At two places of connection shaft 16 respectively with the chimeric combination recess 17a that is formed at cross sectional shape and forms the left and right sides wall of the first cardinal extremity chaining part 17 of コ word shape of stationary state.In addition, at fixed part 14A, the 14B of left and right, utilize a pair of pin 20 that is rotationally connected that direction is extended to be to the left and right connected with rotationally respectively pair of right and left the second cardinal extremity chaining part 18.The second cardinal extremity chaining part 18 sides are viewed as roughly L font, possess the center of turn hole 18a(center of turn connecting from being rotationally connected pin 20) linearly extended the first connecting portion 18b and from center of turn hole 18a to linearly extended the second connecting portion 18c of the direction that is different from the first connecting portion 18b.At the leading section of the two side of the first cardinal extremity chaining part 17, utilize direction is extended to the left and right pair of right and left to be rotationally connected pin 22 and connect rotationally the chaining part 21(of pair of right and left legs and feet support portion rear flank portion the first contact links part) rearward end.At the leading section of the second connecting portion 18c of left and right the second cardinal extremity chaining part 18, connect rotationally to intermediate chain fitting 24(the second contact links part extending with the direction of the first cardinal extremity chaining part 17 almost parallels) rearward end.Intermediate chain fitting 24 is the parts that cross sectional shape forms コ word shape, and by direction is extended to the left and right, a pair of pin 25 that is rotationally connected is connected with the leading section of the second connecting portion 18c of left and right the second cardinal extremity chaining part 18 respectively the rearward end of its left and right sides wall rotationally.In addition, the pars intermedia of the pars intermedia of legs and feet support portion, left and right rear flank portion chaining part 21 and the left and right sides wall of intermediate chain fitting 24, connects each other rotationally by a pair of pin 26 that is rotationally connected that direction is extended to the left and right.In addition, at the leading section of the left and right sides of intermediate chain fitting 24 wall, the a pair of pin 29 that is rotationally connected that utilizes direction to the left and right to extend, is connected with the pair of right and left legs and feet support portion forequarter chaining part 28(second contact links part parallel with legs and feet support portion rear flank portion chaining part 21 each other rotationally) rearward end.As shown in the figure, the total length of legs and feet support portion forequarter chaining part 28 is the roughly half of legs and feet support portion rear flank portion chaining part 21.
And then, the unitary rotation chaining part 31(limit rotation chaining part of general triangular shape is observed in side) lay respectively at the left and right sides of the first cardinal extremity chaining part 17, be arranged with in the combination of left-right integrated swivel-chain fitting 31 recess 31a, be embedded near the portion two ends, left and right of connection shaft 16 with stationary state respectively.Pair of right and left interlock chaining part 33(limit rotation chaining part), lay respectively at the outside of left-right integrated swivel-chain fitting 31, one end of interlock chaining part 33, via a pair of pin 34 that is rotationally connected that direction is extended to the left and right, the end swivel-chain fitting 31 that is connected in one rotationally and opposition side combination use recess 31a.In addition, the other end of the interlock chaining part 33 of left and right, via a pair of pin 35 that is rotationally connected that direction is extended to the left and right, is connected in the leading section of the first connecting portion 18b of left and right the second cardinal extremity chaining part 18 rotationally.As shown, from being rotationally connected the center of turn hole 18a of pin 20(the second cardinal extremity chaining part 18) to the straight-line distance that is rotationally connected pin 25, than long to the straight-line distance that is rotationally connected pin 35 from being rotationally connected pin 20.
Connection shaft 16 discussed above, the first cardinal extremity chaining part 17, the second cardinal extremity chaining part 18, being rotationally connected pin 20, legs and feet support portion rear flank portion chaining part 21, being rotationally connected pin 22, intermediate chain fitting 24, being rotationally connected pin 25, being rotationally connected pin 26, legs and feet support portion forequarter chaining part 28, be rotationally connected pin 29, unitary rotation chaining part 31, interlock chaining part 33, be rotationally connected pin 34 and be rotationally connected pin 35, is the inscape of chaining part mechanism 15.In addition, connection shaft 16, the first cardinal extremity chaining part 17, legs and feet support portion rear flank portion chaining part 21 and be rotationally connected pin 22, it is the inscape of the first chaining part group 15A, the second cardinal extremity chaining part 18, be rotationally connected pin 20, intermediate chain fitting 24, be rotationally connected pin 25, legs and feet support portion forequarter chaining part 28 and be rotationally connected pin 29, be the inscape of the second chaining part group 15B.Chaining part mechanism 15, can be deformed into the each state between the maximum deployed condition shown in the contraction state shown in Fig. 1 and Fig. 4, Fig. 2, Fig. 5 and contraction state and maximum deployed condition.
Leading section at legs and feet support portion, the left and right of chaining part mechanism 15 rear flank portion chaining part 21 and legs and feet support portion forequarter chaining part 28 is provided with legs and feet support portion 38.Legs and feet support portion 38, possess on left and right directions the substrate 39 of long rectangular shape and be fixed on the surface of substrate 39 and the seat cushion 40(of side face with reference to the imaginary line of Fig. 1).
At the left and right sides of substrate 39 wall, utilize the pair of right and left that direction is extended to be to the left and right rotationally connected pin 36, connect rotationally the end of legs and feet support portion, left and right forequarter chaining part 28.In addition, at the left and right sides of substrate 39 wall, utilize the pair of right and left that direction is extended to be to the left and right rotationally connected axle 37, connect rotationally the end of legs and feet support portion, left and right rear flank portion chaining part 21.Like this, legs and feet support portion 38 is owing to being supported in rotationally the 15(of chaining part mechanism legs and feet support portion rear flank portion chaining part 21, legs and feet support portion forequarter chaining part 28), so the contractive action of itself and chaining part mechanism 15 and launch action interlock, makes the fore-and-aft direction change of distance with respect to fixed part 14A, 14B.; in chaining part mechanism 15 during in above-mentioned contraction state; legs and feet support portion 38 is positioned at the reception position shown in Fig. 1 and Fig. 4, and in the time that the chaining part mechanism 15 in contraction state stretches towards front, legs and feet support portion 38 moves to and uses region (than reception position region more on the front).And, when chaining part mechanism 15 towards front maximum limit while stretching, legs and feet support portion 38 is positioned at the front position shown in Fig. 2 and Fig. 5 (using the front position in region).
In the rearward end of left and right fixed part 14A, 14B, be fixed with the both ends of the actuating device support component 42 that direction is extended to the left and right, be supported with actuating device 45 in actuating device support component 42.
Actuating device 45, as large inscape, possesses: main shaft 46, electrical motor 49(lock cell) and backward member 54.
On the bracket of central portion above that is fixed on actuating device support component 42, that extends via direction to the left and right is rotationally connected pin 47, is rotatably mounted with the rearward end of linearly extended main shaft 46.Be formed with thread groove (omitting diagram) at the outer peripheral face of main shaft 46.
On main shaft 46, be fixed with electrical motor 49.Electrical motor 49 possesses: housing 50 and be located at the rotating drive portion of the inside of housing 50.In the front portion of housing 50, be equipped with cylindric teat 51, electrical motor 49 possesses the electrical motor through hole 52 of direction perforation housing 50 entirety (comprising cylindric teat 51) forwards, backwards.Main shaft 46 connects the electrical motor through hole 52 of electrical motor 49, and in the inside of electrical motor 49, the above-mentioned thread groove of main shaft 46 is that worm gear (omitting diagram) engages with the efferent of above-mentioned rotating drive portion.
On the cylindric teat 51 of electrical motor 49, be fixed with the backward member 54 that direction is extended to the left and right.Be formed with fixed orifice 55 at the central portion of backward member 54.The fixed orifice 55 of backward member 54 is chimeric from front and cylindric teat 51, and fixed orifice 55 and cylindric teat 51 are fixed to one another.And then, carry out at the both ends, left and right by backward member 54 a pair of installation sheet 56 that Bending Processing forms on, be formed with mounting hole 57.The left and right installation sheet 56 of backward member 54, inner face subtend with the left and right sides wall of the first cardinal extremity chaining part 17, that extends via the direction to the left and right that connects left and right mounting hole 57 is rotationally connected pin 59, the installation sheet of left and right 56 is rotatably installed on to the left and right sides wall of the first cardinal extremity chaining part 17.
In structure described above, connection shaft 16, the first cardinal extremity chaining part 17, unitary rotation chaining part 31, interlock chaining part 33, main shaft 46, electrical motor 49, backward member 54 and be rotationally connected pin 59, be the inscape of limiting unit.
In the time being located at operating switch on vehicle seat used 10 (omitting diagram) and being positioned at OFF position, the electric power being produced by the power supply (omitting diagram) of being located on vehicle is not supplied with to electrical motor 49, and therefore, electrical motor 49 is failure to actuate.
When operating switch during from OFF position operation to forward operating position, is supplied with to electrical motor 49 by the electric power of above-mentioned power generation, electrical motor 49 carries out forward action (electrical motor 49 is in released state).So chaining part mechanism 15 is to direction of extension distortion, legs and feet support portion 38 forward end position side move.In the time operating switch being operated to reverse operating position, electrical motor 49 reverses action (electrical motor 49 is in released state).So chaining part mechanism 15 is to shrinkage direction distortion, legs and feet support portion 38 is to reception position side shifting.
Electrical motor 49 is by backward member 54(and the first cardinal extremity chaining part 17) limit the rotation around main shaft 46, therefore, in the time that electrical motor 49 carries out forward action, electrical motor 49 is along forwards relative sliding of main shaft 46.So electrical motor 49 displacing force forwards, via backward member 54 and be rotationally connected pin 59, be passed to the first cardinal extremity chaining part 17, the first cardinal extremity chaining part 17 is along the clockwise direction rotation of Fig. 1, Fig. 2 centered by connection shaft 16, and therefore, chaining part mechanism 15 launches action.In addition, when electrical motor 49 reverses when action, electrical motor 49 is along rearward relative sliding of main shaft 46, and therefore, the rearward displacing force of electrical motor 49, via backward member 54 and be rotationally connected pin 59, is passed to the first cardinal extremity chaining part 17.So the first cardinal extremity chaining part 17 anticlockwise direction along Fig. 1, Fig. 2 centered by connection shaft 16 rotates, chaining part mechanism 15 carries out contractive action.
On the other hand, while stopping (electrical motor 49 is in the lock state) at electrical motor 49 (when operating switch is positioned at OFF position), between the above-mentioned thread groove of main shaft 46 and the above-mentioned worm gear of electrical motor 49, produce braking force (friction drag).This braking force is via backward member 54 and be rotationally connected pin 59 and be passed to the first cardinal extremity chaining part 17, and then is passed to the second cardinal extremity chaining part 18 via the first cardinal extremity chaining part 17, connection shaft 16, unitary rotation chaining part 31 and interlock chaining part 33.Therefore, in the time that electrical motor 49 stops, electrical motor 49 is limited with respect to the relative sliding of main shaft 46, and the expanding-contracting action of chaining part mechanism 15 is limited.Therefore, when no matter which position legs and feet support portion 38 be positioned at, as long as make electrical motor 49 stop (making operating switch be positioned at OFF position), just can be by legs and feet support portion 38(and chaining part mechanism 15) be held in this position.
And, when being positioned at reception position in legs and feet support portion 38, brings into play by the legs and feet bracing or strutting arrangement 13 of present embodiment significant effect.
; the first cardinal extremity chaining part 17 of legs and feet bracing or strutting arrangement 13 only connects rotationally with respect to fixed part 14A, 14B and legs and feet support portion rear flank portion chaining part 21; on the other hand, left and right the second cardinal extremity chaining part 18 only connects rotationally with respect to fixed part 14A, 14B, intermediate chain fitting 24 and interlock chaining part 33.Like this, because the first cardinal extremity chaining part 17 and the second cardinal extremity chaining part 18 are not mutually pivotally connected, so the first cardinal extremity chaining part 17 and the second cardinal extremity chaining part 18 can not limit rotation action each other each other.Therefore, the Design freedom of the rotary motion trace of the first cardinal extremity chaining part 17 and the second cardinal extremity chaining part 18, compares the situation that the first cardinal extremity chaining part 17 is connected rotationally with the second cardinal extremity chaining part 18 and improves.Therefore, can be when being positioned at reception position in legs and feet support portion 38, the mode that the first cardinal extremity chaining part 17 and the second cardinal extremity chaining part 18 reduce to the inlet of space S designs legs and feet bracing or strutting arrangement 13(chaining part mechanism 15).Therefore,, while being positioned at reception position in legs and feet support portion 38, can prevent that the first cardinal extremity chaining part 17 or the second cardinal extremity chaining part 18 from interfering with the above-mentioned slide rail electrical motor or the lifting mechanism that are disposed in space S.
In addition, due to the second cardinal extremity chaining part 18 is made as to non-linear shapes, so compare using the second cardinal extremity chaining part 18 as rectilinear form parts situation about forming, the second cardinal extremity chaining part 18 can further reduce legs and feet support portion 38 and be positioned at reception position time is to the inlet of space S.
In addition, due to the center of turn hole 18a making from being rotationally connected pin 20(the second cardinal extremity chaining part 18) to being rotationally connected the straight-line distance (following is " distance 1 ") of pin 25 and different to the straight-line distance (following is " distance 2 ") that is rotationally connected pin 35 from being rotationally connected pin 20, so can adjust legs and feet support portion 38(chaining part mechanism 15) with respect to the rate of travel of fixed part 14A, 14B.; if make as in the present embodiment distance 1 longer than distance 2; intermediate chain fitting 24 while making legs and feet support portion 38 move from reception position to use region amount of movement forwards increases, and therefore, can make legs and feet support portion 38 further forwards move.On the other hand, in the situation that making distance 1 shorter than distance 2, can reduce legs and feet support portion 38 amount of movement forwards.
Above, describe the present invention based on above-mentioned embodiment, but the invention is not restricted to this embodiment, can implement various distortion enforcement.
For example, by changing the quantity of chaining part and the concrete shape of configuration or each chaining part, also can make chaining part mechanism 15 become the chaining part mechanism being formed by other structure.As one example, also can form the first contact links part that connects the first cardinal extremity chaining part 17 and legs and feet support portion 38 by multiple chaining part parts, or form by chaining part parts or three above chaining part parts the second contact links part that connects the second cardinal extremity chaining part 18 and legs and feet support portion 38.
In addition, also can omit on the basis of actuating device 45, the lock cell (unitary rotation chaining part 31 is contacted with this lock cell directly or indirectly) of the manual type of changeable lock-out state and released state is installed in chaining part mechanism 15, legs and feet bracing or strutting arrangement 13 is changed to the legs and feet bracing or strutting arrangement of manual type.
In addition, in the above-described embodiment, the other pin that is rotationally connected that use is different from chaining part parts connects adjacent chaining part parts toward each other rotationally, but also can protuberance be set integratedly a side of two adjacent chaining part parts, form this protuberance chimeric recess or through hole rotationally the opposing party.
In addition, also can be by the center of turn hole 18a from being rotationally connected pin 20(the second cardinal extremity chaining part 18) to being rotationally connected the straight-line distance (distance 1) of pin 25 and being made as same distance from being rotationally connected pin 20 to the straight-line distance (distance 2) that is rotationally connected pin 35.
In addition, also the second cardinal extremity chaining part 18 can be configured to rectilinear form parts.
Claims (4)
1. a vehicular seats legs and feet bracing or strutting arrangement, is characterized in that,
Possess:
Fixed part, it is fixed on seat;
Legs and feet support portion, it can move approaching between the reception position of this fixed part and the use region away from this fixed part;
Chaining part mechanism, it is connected described fixed part with described legs and feet support portion, make described legs and feet support portion move to described reception position and described use region by stretching,
Described chaining part mechanism possesses:
The first chaining part group, it has the first cardinal extremity chaining part that supports described legs and feet support portion and leave the first contact links part of described fixed part and only connect rotationally with respect to this first contact links part and described fixed part;
The second chaining part group, it has the second cardinal extremity chaining part that supports described legs and feet support portion and leave the second contact links part of described fixed part and only connect rotationally with respect to this second contact links part and described fixed part.
2. vehicular seats legs and feet bracing or strutting arrangement according to claim 1, is characterized in that,
Described the second cardinal extremity chaining part possesses:
The first connecting portion, it,, from being that center of turn extends with respect to the rotating junction of described fixed part, and connects with respect to the limiting unit of the rotation that can limit described the second cardinal extremity chaining part rotationally;
The second connecting portion, it extends to the direction of intersecting with respect to described the first connecting portion from described center of turn, and is connected in rotationally described the second contact links part.
3. vehicular seats legs and feet bracing or strutting arrangement according to claim 1, is characterized in that,
Described the second cardinal extremity chaining part possesses:
The first connecting portion, it,, from being that center of turn extends with respect to the rotating junction of described fixed part, and connects with respect to the limiting unit of the rotation that can limit described the second cardinal extremity chaining part rotationally;
The second connecting portion, it extends to the direction that is different from described the first connecting portion from described center of turn, and is connected in rotationally described the second contact links part,
Wherein,
Make from the rotating junction of described limiting unit and described the first connecting portion to the distance of described center of turn and different to the distance of described center of turn from the rotating junction of described the second contact links part and described the second connecting portion.
4. according to the vehicular seats legs and feet bracing or strutting arrangement described in claim 2 or 3, it is characterized in that,
Described limiting unit possesses:
Limit rotation chaining part, it is connected rotationally with described the first connecting portion;
Lock cell, itself and this limit rotation chaining part contacts, and can switch the released state of the rotation of allowing this limit rotation chaining part and the lock-out state that restriction is rotated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013058255A JP6084871B2 (en) | 2013-03-21 | 2013-03-21 | Ottoman device for vehicle seat |
| JP2013-058255 | 2013-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057855A true CN104057855A (en) | 2014-09-24 |
| CN104057855B CN104057855B (en) | 2018-07-17 |
Family
ID=51545884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079916.0A Expired - Fee Related CN104057855B (en) | 2013-03-21 | 2014-03-06 | Vehicular seats legs and feet support device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6084871B2 (en) |
| CN (1) | CN104057855B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725282A (en) * | 2017-04-21 | 2018-11-02 | 丰田纺织株式会社 | Vehicle seat legs and feet support device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212278A (en) * | 2021-06-16 | 2021-08-06 | 湖南智行达科技有限公司 | DC locomotive lifting pedal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011546A (en) * | 2007-07-04 | 2009-01-22 | Nhk Spring Co Ltd | Ottoman device |
| US20100052395A1 (en) * | 2008-08-29 | 2010-03-04 | B/E Aerospace, Inc. | Integrated linkage/pinch guard system for leg rests |
| JP2011229648A (en) * | 2010-04-27 | 2011-11-17 | Toyota Boshoku Corp | Ottoman device |
| JP2012016992A (en) * | 2010-07-07 | 2012-01-26 | Toyota Boshoku Corp | Folding type ottoman device for vehicle seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5767001B2 (en) * | 2011-04-08 | 2015-08-19 | 備前発条株式会社 | Ottoman equipment |
-
2013
- 2013-03-21 JP JP2013058255A patent/JP6084871B2/en not_active Expired - Fee Related
-
2014
- 2014-03-06 CN CN201410079916.0A patent/CN104057855B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011546A (en) * | 2007-07-04 | 2009-01-22 | Nhk Spring Co Ltd | Ottoman device |
| US20100052395A1 (en) * | 2008-08-29 | 2010-03-04 | B/E Aerospace, Inc. | Integrated linkage/pinch guard system for leg rests |
| JP2011229648A (en) * | 2010-04-27 | 2011-11-17 | Toyota Boshoku Corp | Ottoman device |
| JP2012016992A (en) * | 2010-07-07 | 2012-01-26 | Toyota Boshoku Corp | Folding type ottoman device for vehicle seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725282A (en) * | 2017-04-21 | 2018-11-02 | 丰田纺织株式会社 | Vehicle seat legs and feet support device |
| CN108725282B (en) * | 2017-04-21 | 2020-09-08 | 丰田纺织株式会社 | Leg and foot supporting device for vehicle seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104057855B (en) | 2018-07-17 |
| JP2014180994A (en) | 2014-09-29 |
| JP6084871B2 (en) | 2017-02-22 |
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