CN108674275A - A kind of tensile step-less adjustment leg support - Google Patents

A kind of tensile step-less adjustment leg support Download PDF

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Publication number
CN108674275A
CN108674275A CN201810753147.6A CN201810753147A CN108674275A CN 108674275 A CN108674275 A CN 108674275A CN 201810753147 A CN201810753147 A CN 201810753147A CN 108674275 A CN108674275 A CN 108674275A
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CN
China
Prior art keywords
leg support
assembly
less adjustment
connecting rod
support plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810753147.6A
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Chinese (zh)
Other versions
CN108674275B (en
Inventor
王骏
张凯
王奔奔
郑术伟
刘婷
刘振权
张桂尚
彭劲
郑鸿昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Cloud Hean Road Extension Auto Seat Co Ltd
Original Assignee
Hefei Cloud Hean Road Extension Auto Seat Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Cloud Hean Road Extension Auto Seat Co Ltd filed Critical Hefei Cloud Hean Road Extension Auto Seat Co Ltd
Priority to CN201810753147.6A priority Critical patent/CN108674275B/en
Publication of CN108674275A publication Critical patent/CN108674275A/en
Application granted granted Critical
Publication of CN108674275B publication Critical patent/CN108674275B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90Details or parts not otherwise provided for
    • B60N2/995Lower-leg-rests, e.g. calf-rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68Seat frames

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The invention discloses a kind of tensile step-less adjustment leg support, includes stepless retractable mechanism in the middle part of chair framework, is symmetrically disposed on the link mechanism at stepless retractable mechanism both ends and the leg support mechanism mounted in two link mechanism one end;Two link mechanism is connected by the connecting rod rest being laterally arranged and two link mechanisms are the Double-linkage mechanism being movably connected by connector, and one end of link mechanism is movably connected with the connecting plate of chair framework wherein side, the other end is connected with leg support mechanism.The rational deployment that the present invention passes through the stepless retractable mechanism being set in the middle part of chair framework, the link mechanism being symmetrically disposed on the outside of chair framework two and the leg support mechanism for being set to two link mechanism one end etc., convenient for the assembly and disassembly of entire step-less adjustment leg support, it ensure that the flexible steady adjusting of step-less adjustment leg support, simultaneously, it is controlled compared to traditional Mechanical course and motor, it is cost-effective.

Description

A kind of tensile step-less adjustment leg support
Technical field
The present invention relates to leg support of seat technical field, specifically a kind of tensile step-less adjustment leg support.
Background technology
With flourishing for auto industry, automobile popularity is higher and higher, and people during trip to taking seat Comfort and Functional Requirement it is higher and higher, the seat with leg support comes into being, especially in remote way driving procedure, band leg The seat of support can support the shank of occupant, greatly reduce the feeling of fatigue that remote way drives member, promote the same of seat comfort The cost performance of the Shi Tigao brand automobiles.
Currently, leg support in the market is divided into hand-machine component and motor lead screw control, however the control of hand-machine component is excessively Arduously, passenger experience sense is poor, and motor lead screw control cost is higher, and above-mentioned leg support is for the sustainable region mistake of occupant's shank Small, occupant's shank lower half portion is unable to get effective support, and occupant's shank sense of discomfort still remains.
Invention content
The purpose of the present invention is to provide a kind of tensile step-less adjustment leg supports, to solve to propose in above-mentioned background technology The problem of.
To achieve the above object, the present invention provides the following technical solutions:
A kind of tensile step-less adjustment leg support includes stepless retractable mechanism in the middle part of chair framework, is symmetrically disposed on nothing The link mechanism at grade telescoping mechanism both ends and the leg support mechanism mounted in two link mechanism one end;Two link mechanism passes through The connecting rod rest being laterally arranged is connected and two link mechanisms are the Double-linkage mechanism being movably connected by connector, link mechanism One end be movably connected with the connecting plate of chair framework wherein side, the other end is connected with leg support mechanism;The stepless retractable machine Structure includes the Pneumatic extension bar that one end is connected by flexible connection frame and chair framework head rod middle part, Pneumatic extension bar The other end is flexibly connected with the middle part of connecting rod rest.
As a further solution of the present invention:The stepless retractable mechanism further includes being fixedly mounted on one outside of chair framework Wire drawing fixed frame and operation handle and connect wire drawing fixed frame and Pneumatic extension bar adjusting wire drawing, adjust the one of wire drawing The frame that is flexibly connected with Pneumatic extension bar close to head rod one end is held to be fixedly linked.
As a further solution of the present invention:The connecting plate is symmetrically disposed on two upper lateral parts of chair framework and two connect It is connected by the second connecting rod between fishplate bar, Pneumatic extension bar is located at the lower section of the second connecting rod.
As a further solution of the present invention:The leg support mechanism includes the support with the rotation connection of Double-linkage mechanism one end Plate assembly, the foaming assembly for being set to support plate assembly top and the guide extension for connecting support plate assembly and the assembly that foams Portion and elastic telescopic portion.
As a further solution of the present invention:The link mechanism includes first connecting rod component and second connecting rod component;
The first connecting rod component includes the driving fore-stock that one end is flexibly connected with connecting plate and one end and support plate assembly The connecting bracket of one upper lateral part rotation connection, the other end of the driving fore-stock and the other end of connecting bracket pass through connector It is rotatedly connected;
The second connecting rod component includes the driving after-poppet that one end is flexibly connected with connecting plate and one end and support plate assembly The supporting support of one middle side part rotation connection, the other end of the driving after-poppet and the other end of supporting support pass through connector It is rotatedly connected.
As a further solution of the present invention:The guide extension portion includes being fixedly arranged on leading for support plate assembly lower surface It covers and through the guide rod in guide sleeve, support plate assembly is moved up and down by guide sleeve along guide rod;One end of the guide rod is logical It crosses and leads that connecting plate is connected, the other end is and the curved bar that is fixedly linked of foaming assembly.
As a further solution of the present invention:The elastic telescopic portion includes connection support plate assembly lower part and foaming assembly The adjustable spring of lower part and the pulley assembly for connecting support plate assembly lower part and a wherein link mechanism.
As a further solution of the present invention:The pulley assembly include the fixed pulley for being fixedly arranged on support plate assembly lower part, And be wound on the rope on fixed pulley, one end of the rope with lead connecting plate be fixedly connected, the driving of the other end and wherein side After-poppet is fixedly connected.
Compared with prior art, the beneficial effects of the invention are as follows:
1, pass through the stepless retractable mechanism being set in the middle part of chair framework, the connecting rod machine being symmetrically disposed on the outside of chair framework two The rational deployment of structure and the leg support mechanism that is set to two link mechanism one end etc., is convenient for the assembling of entire step-less adjustment leg support With dismounting, the flexible steady adjusting of step-less adjustment leg support ensure that, meanwhile, compared to traditional Mechanical course and motor control System, it is cost-effective;
2, symmetrically arranged two link mechanism is Double-linkage link mechanism, and the first connecting rod component of link mechanism and leg support machine One upper lateral part of structure is connected, second connecting rod component is connected with a middle side part of leg support mechanism, improves the adjusting of step-less adjustment leg support Safety in the process and stationarity;
3, it is driven by the operation handle mounted in one outside of chair framework and adjusts wire drawing, and then Pneumatic extension bar push-and-pull two is driven to connect Linkage and by two link mechanisms link drive leg support mechanism length telescopic adjustment, it is easy to operate, difference can be met and multiplied The difference of objective self-demand carries out corresponding telescopic adjustment, improves the ride comfort of different passengers, applied widely, effect It is good;
4, the step-less adjustment leg support being assembled by stepless retractable mechanism, two link mechanisms and leg support mechanism etc., can not only lead to It crosses stepless retractable mechanism and two link mechanisms realizes the length adjustment of entire step-less adjustment leg support, it can also be by joining with link mechanism Dynamic leg support mechanism realizes the secondary extension of leg support mechanism, increases the adjustment of leg support mechanism and passenger's calf contact area, Enough supports can be provided for passenger's shank, mitigate the seating feeling of fatigue of passenger, improve the comfort of seat;
5, entire step-less adjustment leg support passenger when needing elongation can disposably realize stepless-adjustment by manual adjusting operation handle The elongation of leg support and the secondary extension of leg support mechanism are saved, when not needing, can also be realized by manual adjusting operation handle stepless The contraction for adjusting leg support mechanism, substantially reduces the occupied space of entire step-less adjustment leg support, meanwhile, leg support mechanism is stretched in elasticity It can also be shunk automatically along guide rod direction under the drive in contracting portion, it is time saving and energy saving;
6, Pneumatic extension bar one end of stepless retractable mechanism is connected by movable part with head rod and Pneumatic extension bar is located at The lower section of second connecting rod, Pneumatic extension bar touching seat, avoids adjustment process when can effectively avoid the work of stepless retractable mechanism In cause sense of discomfort to sitting passenger on the seat.
Description of the drawings
Fig. 1 is the usage state diagram of leg support of seat of the present invention.
Fig. 2 be stepless retractable mechanism of the present invention, link mechanism and leg support mechanism structure chart.
Fig. 3 is structure chart when step-less adjustment leg support of the present invention is shunk.
Fig. 4 is structure chart when step-less adjustment leg support of the present invention extends.
In figure:
1- chair frameworks, 11- head rods, the second connecting rods of 12-, 13- thirds connecting rod, 14- connecting plates;
2- stepless retractables mechanism, 21- Pneumatic extensions bar, 22- wire drawings fixed frame, 23- operation handles, 24- adjust wire drawing;
3- link mechanisms, 31- first connecting rods component, 311- driving fore-stock, 312- connecting brackets, 32- second connecting rods component, 321- drives after-poppet, 322- supporting supports;
4- leg supports mechanism, 41- support plates assembly, 42- foaming assembly, 43- guide extensions portion, 431- guide sleeves, 432- guide rods, 433- Lead connecting plate, 44- elastic telescopics portion, 441- adjustable springs, 442- fixed pulleys, 443- ropes;
5- connecting rod rests, 6- are flexibly connected frame.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Adjusting stepless retractable mechanism 2 can by being arranged through manually in the passenger side of automobile, two rows etc. of MPV vehicles by the present invention The stepless leg support mechanism 4 for elongating or shortening seat, simultaneously passes through the guide extension for connecting support plate assembly 41 and the assembly 42 that foams Portion 43 and elastic telescopic portion 44 move together in company with stepless retractable mechanism 2, realize between support plate assembly 41 and foaming assembly 42 Mutually stagger elongation or contraction close to each other, and then realize the adjustment of contact area between human calf portion and leg support mechanism 4, Improve the comfort during passenger takes.
- 2 are please referred to Fig.1, a kind of tensile step-less adjustment leg support includes the stepless retractable mounted in 1 middle part of chair framework Mechanism 2, the link mechanism 3 for being symmetrically disposed on 2 both ends of stepless retractable mechanism and the leg support machine mounted in two link mechanisms, 3 one end Structure 4;The chair framework 1 is connected by the parallel head rod 11 in space, the second connecting rod 12 with third connecting rod 13, the Two connecting rods 12 and third connecting rod 13 are separately connected the forward and backward top of chair framework 1, and head rod 11 is located at third connection Between bar 13 and the second connecting rod 12 and the height of head rod 11 is less than the height of third connecting rod 13 and the second connecting rod 12 Degree, be located at by being flexibly connected the Pneumatic extension bar 21 being connected in the middle part of frame 6 and head rod 11 second connecting rod 12 lower section, And the other end of Pneumatic extension bar 21 is connected also by flexible connection frame 6 with the middle part of connecting rod rest 5.The connecting plate 14 is symmetrically set It is placed between two upper lateral parts of chair framework 1 and two connecting plates 14 and is connected by the second connecting rod 12, Pneumatic extension bar 21 is located at The lower section of second connecting rod 12.
The stepless retractable mechanism 2 includes one end by being flexibly connected frame 6 and 11 middle part phase of chair framework head rod Pneumatic extension bar 21 even, the other end of Pneumatic extension bar 21 are flexibly connected with the middle part of connecting rod rest 5.The stepless retractable mechanism 2 further include the wire drawing fixed frame 22 and operation handle 23 and connection wire drawing fixed frame for being fixedly mounted on the outside of chair framework 1 one 22 with the adjusting wire drawing 24 of Pneumatic extension bar 21, adjust one end of wire drawing 24 with Pneumatic extension bar 21 close to head rod 11 1 The flexible connection frame 6 at end is fixedly linked.
Two link mechanism 3 is connected by the connecting rod rest 5 being laterally arranged and two link mechanisms 3 are to pass through connector The Double-linkage mechanism being movably connected, one end of link mechanism 3 are movably connected, separately with the connecting plate 14 of the wherein side of chair framework 1 One end is connected with leg support mechanism 4;The link mechanism 3 includes first connecting rod component 31 and second connecting rod component 32;Described first Link assembly 31 includes the driving fore-stock 311 that one end is flexibly connected with connecting plate 14 and one end and support plate assembly 41 1 The connecting bracket 312 of upper lateral part rotation connection, the other end and the other end of connecting bracket 312 of the driving fore-stock 311 are logical Connector is crossed to be rotatedly connected;The second connecting rod component 32 include one end be flexibly connected with connecting plate 14 driving after-poppet 321, And the supporting support 322 of one end and the rotation connection of 41 1 middle side part of support plate assembly, the other end of the driving after-poppet 321 It is rotatedly connected by connector with the other end of supporting support 322.The both ends of the connecting rod rest 5 respectively with two link mechanisms 3 321 middle and lower part of driving after-poppet of two link assemblies 32 is connected.
The leg support mechanism 4 include with the support plate assembly 41 of Double-linkage mechanism one end rotation connection, be set to support plate Foaming assembly 42 and connection support plate assembly 41 and the guide extension portion 43 of foaming assembly 42 and elasticity on 41 top of assembly are stretched Contracting portion 44.The guide extension portion 43 includes being fixedly arranged on the guide sleeve 431 of 41 lower surface of support plate assembly and through guide sleeve Guide rod 432 in 431, support plate assembly 41 are moved up and down by guide sleeve 431 along guide rod 432;One end of the guide rod 432 is logical It crosses and leads that connecting plate 433 is connected, the other end is and the curved bar that is fixedly linked of foaming assembly 42.The elastic telescopic portion 44 includes connection branch 41 lower part of fagging assembly and the adjustable spring 441 of foaming assembly 42 lower part and it connect 41 lower part of support plate assembly and wherein one The pulley assembly of link mechanism 3.The pulley assembly include be fixedly arranged on 41 lower part of support plate assembly fixed pulley 442 and around Rope 443 on fixed pulley 442, one end of the rope 443 with lead connecting plate 433 be fixedly connected, the other end and wherein side Driving after-poppet 321 be fixedly connected.
Fig. 3-4 is please referred to, specifically when assembling, by the flexible connection frame 6 of 21 one end of Pneumatic extension bar of stepless retractable mechanism 2 It is flexibly connected with the middle part of head rod 11 by movable part, the flexible connection frame 6 of the other end passes through movable part and connecting rod rest 5 Middle part flexible connection, the sub-assemblies such as connection bolt, attaching nut and bushing can be used in the movable part.Double-linkage is connected again The driving fore-stock 311 of 3 first connecting rod component 31 of linkage is flexibly connected by connector with the outside of connecting plate 14, before driving The other end of holder 311 is flexibly connected by movable part with one end of connecting bracket 312, and the other end of connecting bracket 312 is logical Movable part is crossed with 41 1 upper lateral part of support plate assembly to be connected;The driving after-poppet 321 of second connecting rod component 32 passes through connector It is flexibly connected with the outside of connecting plate 14, the other end of after-poppet 321 is driven to live by one end of movable part and supporting support 322 Dynamic connection, and the other end of supporting support 322 is connected by movable part with 41 1 middle side part of support plate assembly;Meanwhile first connects 312 middle part of connecting bracket of bar assembly 31 is rotated by 321 middle and lower part of driving after-poppet of connector and second connecting rod component 32 It is connected.The support plate assembly 41 that last bottom lower surface is installed with guide sleeve 431 is set to one end of link mechanism 3 and is being oriented to Pars contractilis 43 is applied in the fixed setting of 432 curved bar one end of guide rod in guide sleeve 431 foaming assembly 42, support plate assembly 41 and foaming Assembly 42 is also connected by being set to the elastic telescopic portion 44 of the whole lower part of leg support mechanism 4, and step spiral shell can be used in the connector One or more sub-assembly such as bolt, rivet, bushing, assembly and disassembly are convenient.
When specifically used, passenger on the seat is sat according to itself adjustment demand, chair framework 1 one is fixedly arranged on by manipulating Operation handle 23 on lateral surface, which pulls, adjusts wire drawing 24.Pass through stepless retractable mechanism 2, link mechanism 3 and leg support mechanism 4 Rational deployment so that passenger can adjust the length of entire step-less adjustment leg support at any time according to self-demand, linkage adjusts leg support The contact area size of mechanism 4 and itself calf, it is easy to operate, it is controlled compared to traditional Mechanical course and motor, by The step-less adjustment leg support structure of the compositions such as stepless retractable mechanism 2, link mechanism 3 and leg support mechanism 4 is cost-effective, can effectively solve The problem of feeling of fatigue cannot be alleviated when certainly passenger's calf is taken with the too small caused passenger of 4 contact area of leg support mechanism, energy It is enough that enough supports are provided for passenger's calf according to passenger's self-demand, veritably mitigate passenger and takes vapour in long-distance, short distance Seating feeling of fatigue when vehicle, improves the comfort of automotive seat.
When needing to extend step-less adjustment leg support, adjusts wire drawing 24 and shorten and the Pneumatic extension bar 21 being attached thereto is driven to push away It takes offence 5 forward upward of the connecting rod rest movement of 21 one end of dynamic telescopic rod, symmetrically arranged two link mechanism in 1 liang of chair framework outside 3 Work, the angle between the driving fore-stock 311 and connecting bracket 312 of 3 first connecting rod component 31 of link mechanism increases, second connects Angle between the driving after-poppet 321 and supporting support 322 of bar assembly 32 increases, and then pushes the leg of 3 one end of link mechanism 4 forward upward of support mechanism moves, and realizes the elongation of entire step-less adjustment leg support, at the same time, the flexible bullet in elastic telescopic portion 44 The elongation of spring 441, pulley assembly are wound on the elongation of the distance between 443 both ends of rope on fixed pulley 442, the foaming of leg support mechanism 4 Assembly 42 is applied in the guide sleeve 431 being fixedly arranged on 41 bottom lower surface of support plate assembly along the guide rod 432 in guide extension portion 43 Interior, guide rod 432 and the foaming assembly 42 that is fixedly arranged on 432 one end of guide rod are realized and are multiplied along the downward forward in 432 direction of guide rod The secondary extension of the leg support mechanism 4 of objective calf contact, considerably increases the contact area of leg support mechanism 4 and passenger's calf, Enhance the comfort of passenger;When needing to shrink step-less adjustment leg support, adjusts wire drawing 24 and extend and make the gas being attached thereto Dynamic telescopic rod 21 pulls the moved beneath recycling backward of connecting rod rest 5 of 21 one end of Pneumatic extension bar, 1 liang of outside of chair framework symmetrically to set Two link mechanisms 3 work set, between the driving fore-stock 311 and connecting bracket 312 of 3 first connecting rod component 31 of link mechanism Angle reduces, the angle between the driving after-poppet 321 and supporting support 322 of second connecting rod component 32 reduces, and then the company of pulling Moved beneath recycles backward for the leg support mechanism 4 of 3 one end of linkage, realizes the contraction of entire step-less adjustment leg support, at the same time, bullet Property pars contractilis 44 adjustable spring 441 natural resiliency effect under shorten automatically, pulley assembly is wound on the rope on fixed pulley 442 443 with fixed pulley 442 be that the distance between break and 443 both ends of rope shorten, and the foaming assembly 42 of leg support mechanism 4 is along leading Be applied in the guide sleeve 431 being fixedly arranged on 41 bottom lower surface of support plate assembly to the guide rod 432 of pars contractilis 43, guide rod 432 and The foaming assembly 42 being fixedly arranged on 432 one end of guide rod moves rearwardly and upwardly along 432 direction of guide rod, the upper surface of support plate assembly 41 Fitting is contacted with the lower surface of foaming assembly 42, realizes the support plate assembly 41 and foaming 42 entire length of assembly of leg support mechanism 4 Shortening, substantially reduce the occupied space of entire step-less adjustment leg support so that automotive interior overall space can be used appropriately, Improve space availability ratio.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (8)

1. a kind of tensile step-less adjustment leg support, it is characterised in that:Including being mounted in chair framework(1)The stepless retractable machine at middle part Structure(2), be symmetrically disposed on stepless retractable mechanism(2)The link mechanism at both ends(3)And it is mounted in two link mechanisms(3)One end Leg support mechanism(4);Two link mechanism(3)Pass through the connecting rod rest being laterally arranged(5)Connected and two link mechanisms(3)It is The Double-linkage mechanism being movably connected by connector, link mechanism(3)One end and chair framework(1)The wherein connecting plate of side (14)It is movably connected, the other end and leg support mechanism(4)It is connected;The stepless retractable mechanism(2)Pass through flexible connection including one end Frame(6)With chair framework head rod(11)The connected Pneumatic extension bar in middle part(21), Pneumatic extension bar(21)The other end With connecting rod rest(5)Middle part flexible connection.
2. tensile step-less adjustment leg support according to claim 1, it is characterised in that:The stepless retractable mechanism(2) Further include being fixedly mounted on chair framework(1)The wire drawing fixed frame in one outside(22)And operation handle(23)And connection wire drawing Fixed frame(22)With Pneumatic extension bar(21)Adjusting wire drawing(24), adjust wire drawing(24)One end and Pneumatic extension bar(21)It leans on Nearly head rod(11)The flexible connection frame of one end(6)It is fixedly linked.
3. tensile step-less adjustment leg support according to claim 1, it is characterised in that:The connecting plate(14)Symmetrically set It is placed in chair framework(1)Two upper lateral parts and two connecting plates(14)Between pass through the second connecting rod(12)It is connected, Pneumatic extension bar (21)Positioned at the second connecting rod(12)Lower section.
4. tensile step-less adjustment leg support according to claim 1, it is characterised in that:The leg support mechanism(4)Including With the support plate assembly of Double-linkage mechanism one end rotation connection(41), be set to support plate assembly(41)The foaming assembly on top (42)And connection support plate assembly(41)With foaming assembly(42)Guide extension portion(43)With elastic telescopic portion(44).
5. tensile step-less adjustment leg support according to claim 1, it is characterised in that:The link mechanism(3)Including First connecting rod component(31)With second connecting rod component(32);
The first connecting rod component(31)Including one end and connecting plate(14)The driving fore-stock of flexible connection(311), Yi Jiyi End and support plate assembly(41)The connecting bracket of one upper lateral part rotation connection(312), the driving fore-stock(311)The other end With connecting bracket(312)The other end be rotatedly connected by connector;
The second connecting rod component(32)Including one end and connecting plate(14)The driving after-poppet of flexible connection(321), Yi Jiyi End and support plate assembly(41)The supporting support of one middle side part rotation connection(322), the driving after-poppet(321)The other end With supporting support(322)The other end be rotatedly connected by connector.
6. tensile step-less adjustment leg support according to claim 4, it is characterised in that:The guide extension portion(43)Packet It includes and is fixedly arranged on support plate assembly(41)The guide sleeve of lower surface(431)And through guide sleeve(431)Interior guide rod(432), support Plate assembly(41)Pass through guide sleeve(431)Along guide rod(432)It moves up and down;The guide rod(432)One end by leading connecting plate (433)It is connected, the other end is and foaming assembly(42)The curved bar being fixedly linked.
7. tensile step-less adjustment leg support according to claim 4, it is characterised in that:The elastic telescopic portion(44)Packet Include connection support plate assembly(41)Lower part and foaming assembly(42)The adjustable spring of lower part(441)And connection support plate assembly (41)Lower part and a wherein link mechanism(3)Pulley assembly.
8. tensile step-less adjustment leg support according to claim 7, it is characterised in that:The pulley assembly includes fixed In support plate assembly(41)The fixed pulley of lower part(442)And it is wound on fixed pulley(442)On rope(443), the rope (443)One end and lead connecting plate(433)It is fixedly connected, the driving after-poppet of the other end and wherein side(321)It is fixedly connected.
CN201810753147.6A 2018-07-10 2018-07-10 Extensible stepless adjustment leg support Active CN108674275B (en)

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CN108674275B CN108674275B (en) 2023-12-26

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CN110606009A (en) * 2019-10-18 2019-12-24 严加文 Automobile seat
KR20220055753A (en) * 2020-10-27 2022-05-04 주식회사 서연이화 Leg rest device of seat for vehicle
US11400843B2 (en) * 2020-04-30 2022-08-02 Lear Corporation Seat calf rest mechanism
CN115009129A (en) * 2022-06-28 2022-09-06 浙江极氪智能科技有限公司 Seat leg support and vehicle comprising same

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Publication number Priority date Publication date Assignee Title
CN110606009A (en) * 2019-10-18 2019-12-24 严加文 Automobile seat
CN110606009B (en) * 2019-10-18 2022-04-26 佛吉亚(柳州)汽车座椅有限公司 Automobile seat collision protection method
US11400843B2 (en) * 2020-04-30 2022-08-02 Lear Corporation Seat calf rest mechanism
KR20220055753A (en) * 2020-10-27 2022-05-04 주식회사 서연이화 Leg rest device of seat for vehicle
KR102420622B1 (en) * 2020-10-27 2022-07-14 주식회사 서연이화 Leg rest device of seat for vehicle
CN115009129A (en) * 2022-06-28 2022-09-06 浙江极氪智能科技有限公司 Seat leg support and vehicle comprising same

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