CN106274574A - A kind of adjusting mechanism for leg support of seat - Google Patents
A kind of adjusting mechanism for leg support of seat Download PDFInfo
- Publication number
- CN106274574A CN106274574A CN201610736706.3A CN201610736706A CN106274574A CN 106274574 A CN106274574 A CN 106274574A CN 201610736706 A CN201610736706 A CN 201610736706A CN 106274574 A CN106274574 A CN 106274574A
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- China
- Prior art keywords
- tooth
- locking tooth
- seat
- connecting plate
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
One adjusting mechanism for leg support of seat of the present invention, its upper junction plate and lower connecting plate are rotationally connected by being fixed on the fixing axle of upper junction plate, and fixing axle is connected big wind spring, and its outer end is hooked on the pin being fixed on lower connecting plate;Upper junction plate has one end to be provided with convex locking tooth;Having tooth plate to be rotationally connected by bearing pin with lower connecting plate, the upper side edge of tooth plate sets the recessed locking tooth that can engage with convex locking tooth;The lower side of tooth plate sets front rib and rear hypotenuse;Unblock cam is had to be connected by axis of rotation with lower connecting plate, one end of rotating shaft is fixed with handle, the upper end unlocking cam sets shift fork, and the side of shift fork can compress front rib and disengage it from convex locking tooth to rotate tooth plate, and the squeezable rear hypotenuse of opposite side of shift fork makes recessed locking tooth snap in convex locking tooth;The lower end unlocking cam has convex hook, little wind spring to be connected on lower connecting plate by steady pin, and the outer end of little wind spring is buckled on convex hook.The present invention is terse, convenient, motor-driven and reliable, is particularly suited for leg support of seat device.
Description
Technical field:
The present invention relates to armchair structure technical field, be specifically related to the regulation technology of a kind of leg support of seat.
Background technology:
Current automotive seat leg support device is on all kinds of passenger vehicles, and especially just in popularization and application on luxurious car, this device can
Support to provide to the leg of occupant, alleviate the discomfort taken, have preferably help for improving the comfortableness of chair legs.
But the leg support of seat device of prior art uses quadric chain, air spring mechanism, or leading screw, turbine and worm mechanism biography mostly
Dynamic regulation, so that structure bulky is numerous and diverse, effect can not be satisfactory.
Such as China Patent No. ZL 201420426123.7, the reality of entitled " governor motion before and after seat leg support "
With new patent, disclose a kind of adjusting mechanism for leg support of seat, including the sliding block being fixedly linked on seat support basin, leg support lid
Plate is positioned between the top of sliding block, and leg support cover plate and sliding block under making leg support cover plate the most relative when being provided with unblock
Making leg support cover plate and the relatively-stationary unblock of sliding block and lockable mechanism when slide block slip, locking, the startup of unblock is by bracing wire control
System.This patent utilization slide block regulates, and operation is then by bracing wire and linkage, this structure utilizing bracing wire and slide block,
The most terse, the most unreliable, poor for applicability, effect is unsatisfactory.
Summary of the invention:
It is an object of the invention to, the structure bulky existing for automotive seat leg support device overcoming prior art is numerous and diverse, effect
The most unsatisfactory, poor for applicability defect, it is provided that a kind of terse, compact, convenient, motor-driven and reliable seat leg support
Put.
It is an object of the invention to be achieved through the following technical solutions.
A kind of adjusting mechanism for leg support of seat, upper junction plate and lower connecting plate are by being fixed on the solid fixed-axis rotation of upper junction plate
Connecting, fixing axle is fixed with big wind spring, the outer end of big wind spring is hooked on the pin being fixed on lower connecting plate;Upper junction plate has
One end is arc-shaped structure and is provided with convex locking tooth;A tooth plate is had to be rotationally connected by bearing pin with lower connecting plate, tooth plate upper
Side is provided with the recessed locking tooth that can engage with convex locking tooth;The lower side of tooth plate is provided with front rib and rear hypotenuse;There is a unblock convex
Wheel is connected by axis of rotation with lower connecting plate, and one end of rotating shaft is fixedly connected with handle, and the upper end unlocking cam is provided with shift fork,
The side of shift fork can compress front rib and disengage it from convex locking tooth to rotate tooth plate, and the squeezable rear hypotenuse of opposite side of shift fork makes recessed
Locking tooth snaps in convex locking tooth;There is convex hook the lower end unlocking cam, has a little wind spring to be connected on lower connecting plate by steady pin,
The outer end of little wind spring is buckled on described convex hook.
In the case of usually, owing to little wind spring oppresses unblock cam always, the rear hypotenuse of unblock cam pushes up the most always and is pressed in
The rear hypotenuse of tooth plate, thus ensure that tooth plate keeps up compressing upper junction plate, i.e. keep recessed locking tooth and convex locking tooth to be in and nibble
Conjunction state, makes leg support keep being in the orientation of the determination regulated.
If pulling handle, then unlocking cam and push little wind spring open, the shift fork unlocking cam compresses the front rib of tooth plate, tooth plate
Rotate down disengaging convex locking tooth, i.e. mechanism and be in unblock and adjustment state.Regulating complete release handle, reset is locked again
Fixed.
Mechanism of the present invention essence is to increase by three components: a tooth plate, one unlocks cam, the little wind spring of another part.Right
Upper junction plate is simply given to change a social system and is become the structure with convex locking tooth arbitrarily to regulate angle.Use little spring coiling resetting, by solution
Lock cam unlocks, and locks with tooth plate.This mechanism is the most terse, very convenient, very reliable, and with low cost.
Preferred version, convex locking tooth is more than 90 ° relative to the rotational angle of recessed locking tooth.The angle of leg support is wanted by occupant
Ask, usually require that leg support can arbitrarily regulate from plumbness to level, it is simply that at least to have the regulation not less than 90 °
Scope.Assuming that recessed locking tooth is virtual motionless, convex locking tooth rotates relative to recessed locking tooth, and convex locking tooth is extreme to separately from one
One extreme, it is possible to also can continue more than 90 ° to keep engaging with recessed locking tooth, then its function just can meet use requirement.
Preferred version, the connecting portion of described steady pin and lower connecting plate is semicircular structure, its with lower connecting plate in the middle part of
The hole of corresponding semicircular structure coordinates fixing connection.The middle part of lower connecting plate connects steady pin to connect little wind spring, lower connection
The top of plate connects tooth plate, and the position being welded to connect with leg support is left in the bottom of lower connecting plate.
Preferred version, the outer end of big wind spring is hooked on the pin of the T prefix shape being fixed on lower connecting plate.
Preferred version, upper junction plate is fixing with the chair seat of seat to be connected, and lower connecting plate welds with the leg support upper end of seat
Connect in succession.
Preferred version, the minimum teeth number of convex locking tooth or recessed locking tooth is determined by component minimum intensity.
Preferred version, the profile of tooth of convex locking tooth and recessed locking tooth is triangular tooth, trapezoidal toothed or involute profile.
Preferred version, governor motion is respectively provided with one in the left and right sides symmetry of seat, and wherein said rotating shaft is for sharing one
Root.
The invention has the beneficial effects as follows:
1, by unclamping tooth plate, it is possible to rotate lower connecting plate, i.e. rotate the angle of leg support, regulate and lock the most square
Just;
As long as 2 turning handles the most rotatably unlock cam, unclamp tooth plate and regulate leg support orientation, simple to operate, quick,
Reliably;
3, it is provided with big wind spring auxiliary to rotate, regulates the most laborsaving;
4, simple in construction, shared space is the least, low cost of manufacture;
5, durable it is hardly damaged;
6, one it is respectively arranged with about governor motion, mechanism's stress equalization, easy to adjust, prevent distortion or clamping stagnation.
Accompanying drawing illustrates:
Accompanying drawing 1 is a kind of example structure schematic diagram of the present invention;
Accompanying drawing 2 is the schematic rear view of Fig. 1;
Accompanying drawing 3 is mechanism and seat and leg support connection diagram;
Accompanying drawing 4 is that the right side of Fig. 3 regards schematic diagram.
In figure, upper junction plate 1;Convex locking tooth 11;Fixing axle 12;Lower connecting plate 2;Pin 21;Big wind spring 3;Tooth plate 4;Pin
Axle 41;Recessed locking tooth 42;Front rib 43;Rear hypotenuse 44;Unlock cam 5;Rotating shaft 51;Shift fork 52;Convex hook 53;Handle 6;Little wind spring
7;Steady pin 71;Semicircular structure 72;Leg support 8;Chair seat 9.
Detailed description of the invention:
The invention will be further described with specific embodiments below in conjunction with the accompanying drawings.
Embodiment: as it is shown in figure 1, a kind of adjusting mechanism for leg support of seat, upper junction plate 1 and lower connecting plate 2 are by being fixed on
The fixing axle 12 of upper junction plate 1 is rotationally connected, and fixing axle 12 is fixed with big wind spring 3, and the outer end of big wind spring 3 is hooked under being fixed on
On pin 21 on connecting plate 2;Upper junction plate 1 has one end to be arc-shaped structure and be provided with convex locking tooth 11;Have a tooth plate 4 with
Lower connecting plate 2 is rotationally connected by bearing pin 41, and the upper side edge of tooth plate 4 is provided with the recessed locking tooth 42 that can engage with convex locking tooth 11;
The lower side of tooth plate 4 is provided with front rib 43 and rear hypotenuse 44;A unblock cam 5 is had to be rotated even by rotating shaft 51 with lower connecting plate 2
Connecing, one end of rotating shaft 51 is fixedly connected with handle 6, and the upper end unlocking cam 5 is provided with shift fork 52, before the side of shift fork 52 can compress
Rib 43 disengages it from convex locking tooth 11 to rotate tooth plate 4, and the squeezable rear hypotenuse 44 of opposite side of shift fork 52 makes recessed locking tooth 42
Snap in convex locking tooth 11;There is convex hook 53 lower end unlocking cam 5, has a little wind spring 7 to be connected to lower connecting plate 2 by steady pin 71
On, the outer end of little wind spring 7 is buckled on described convex hook 53.
In the case of usually, owing to little wind spring 7 crimped always unlocks cam 5, the rear hypotenuse 44 unlocking cam 5 pushes up the most always
It is pressed in the rear hypotenuse 44 of tooth plate 4, thus ensures that tooth plate 4 the most up compresses upper junction plate 1, i.e. keep recessed locking tooth 42 and convex lock
Only tooth 11 is in engagement, makes leg support 8 be in the orientation of regulated determination.If pulling handle 6, then unlock cam 5
Pushing little wind spring 7 open, the shift fork 52 unlocking cam 5 compresses the front rib 43 of tooth plate 4, and tooth plate 4 rotates down the convex locking tooth 11 of disengaging,
I.e. mechanism is in unblock and adjustment state.Regulating complete release handle 6, reset relocks.
Convex locking tooth 11 is more than 90 ° relative to the rotational angle of recessed locking tooth 42.Occupant's angle requirement to leg support 8,
Usually require that leg support 8 can arbitrarily regulate from plumbness to level, it is simply that at least to have the regulation model not less than 90 °
Enclose.Assuming that recessed locking tooth 42 is virtual motionless, convex locking tooth 11 rotates relative to recessed locking tooth 42, and convex locking tooth 11 is from a pole
End is to another is extreme, it is possible to more than 90 ° and can continue to keep engaging with recessed locking tooth 42, then use will with regard to meeting for its function
Ask, substantially, it is contemplated that there are enough engagement registrations at both ends, so needing to make rotational angle be more than 90 °, the present embodiment
It it is 120 °.
Steady pin 71 is semicircular structure 72 with the connecting portion of lower connecting plate 2, and it is corresponding with in the middle part of lower connecting plate 2 half years old
The hole of circular configuration coordinates fixing connection.The middle part of lower connecting plate 2 connects steady pin 71 to connect little wind spring 7, lower connecting plate 2
Top connects tooth plate 4, and the position being welded to connect with leg support 8 is left in the bottom of lower connecting plate 2.
The effect of big wind spring 3 is gravity and the frictional force of partial equilibrium leg support 8, makes regulation light.
The outer end of big wind spring 3 is hooked on the pin 21 of the T prefix shape being fixed on lower connecting plate 2, T prefix shape
Pin 21 can anti-locking hook.
Upper junction plate 1 is fixing with the chair seat 9 of seat to be connected, and spiral shell can be used in leg support 8 upper end of lower connecting plate 2 and seat
Nail connects, it is also possible to be welded to connect.
The profile of tooth of convex locking tooth 11 and recessed locking tooth 42 can use triangle, trapezoidal or other multiple profiles of tooth, the present embodiment
For involute profile.
The minimum teeth number of convex locking tooth 11 or recessed locking tooth 42 is determined by component minimum intensity, minimum teeth number not only with rotation
Angle is relevant, and also relevant with the width of the modulus of tooth, tooth, low module intensity is relatively low, but regulation can be finer, large modulus then phase
Instead, it is to dispose respectively according to the concrete analysis of different application occasion different vehicle concrete condition in a word.
Governor motion is respectively provided with one in the left and right sides symmetry of seat, but described rotating shaft 51 is for sharing one, shares one
Rotating shaft 51, no matter then on left side or right side, as long as pulling handle 6, just energy bilateral unlocks simultaneously and is adjusted.Handle 6 unclamps,
The little wind spring 7 of bilateral simultaneously locking device again.
Adjusting mechanism for leg support of seat of the present invention, has regulation very convenient, simple to operate, quick, light, reliable, takies
The advantage that space is little.If foregoing invention content is made simple amendment or replaces, such change by those skilled in the art
Being not to be regarded as a departure from the scope of the present invention, all so obvious to those skilled in the art amendments are included within
Within the scope of the claim of the present invention.
Claims (8)
1. an adjusting mechanism for leg support of seat, is characterized in that, upper junction plate and lower connecting plate are by being fixed on consolidating of upper junction plate
Fixed-axis rotation connects, and fixing axle is fixed with big wind spring, and the outer end of big wind spring is hooked on the pin being fixed on lower connecting plate;On
Connecting plate has one end to be arc-shaped structure and be provided with convex locking tooth;A tooth plate is had to be rotationally connected by bearing pin with lower connecting plate,
The upper side edge of tooth plate is provided with the recessed locking tooth that can engage with convex locking tooth;The lower side of tooth plate is provided with front rib and rear hypotenuse;Have
One unlocks cam is connected by axis of rotation with lower connecting plate, and one end of rotating shaft is fixedly connected with handle, unlocks the upper end of cam
Being provided with shift fork, the side of shift fork can compress front rib and disengage it from convex locking tooth to rotate tooth plate, and the opposite side of shift fork is squeezable
Rear hypotenuse makes recessed locking tooth snap in convex locking tooth;There is convex hook the lower end unlocking cam, has a little wind spring to be connected to by steady pin
On lower connecting plate, the outer end of little wind spring is buckled on described convex hook.
A kind of adjusting mechanism for leg support of seat the most according to claim 1, is characterized in that, convex locking tooth is relative to recessed locking tooth
Rotational angle more than 90 °.
A kind of adjusting mechanism for leg support of seat the most according to claim 2, is characterized in that, described steady pin and lower connecting plate
Connecting portion is semicircular structure, and the hole of its semicircular structure corresponding with in the middle part of lower connecting plate coordinates fixing connection.
A kind of adjusting mechanism for leg support of seat the most according to claim 3, is characterized in that, the outer end of big wind spring is hooked on fixing
On the pin of the T prefix shape on lower connecting plate.
5., according to a kind of adjusting mechanism for leg support of seat described in claim 1,2,3 or 4, it is characterized in that, upper junction plate and seat
Chair seat fixing connect, lower connecting plate is welded to connect with the leg support upper end of seat.
A kind of adjusting mechanism for leg support of seat the most according to claim 5, is characterized in that, convex locking tooth or recessed locking tooth are
Few number of teeth is determined by component minimum intensity.
A kind of adjusting mechanism for leg support of seat the most according to claim 6, is characterized in that, it is characterized in that, convex locking tooth and recessed
The profile of tooth of locking tooth is triangle profile of tooth, trapezoidal toothed or involute profile.
A kind of adjusting mechanism for leg support of seat the most according to claim 7, is characterized in that, governor motion is at the left and right sides of seat
Symmetry is respectively provided with one, and wherein said rotating shaft is for sharing one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610736706.3A CN106274574A (en) | 2016-08-26 | 2016-08-26 | A kind of adjusting mechanism for leg support of seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610736706.3A CN106274574A (en) | 2016-08-26 | 2016-08-26 | A kind of adjusting mechanism for leg support of seat |
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CN106274574A true CN106274574A (en) | 2017-01-04 |
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CN201610736706.3A Pending CN106274574A (en) | 2016-08-26 | 2016-08-26 | A kind of adjusting mechanism for leg support of seat |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107264352A (en) * | 2017-06-20 | 2017-10-20 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of automotive seat pedipulator support mechanism with gear-adjustable |
CN108186218A (en) * | 2018-03-07 | 2018-06-22 | 中国人民解放军陆军军医大学第三附属医院(野战外科研究所) | It is a kind of can folding deformation multifunctional wheelchair |
CN108567468A (en) * | 2018-04-23 | 2018-09-25 | 湖南瀚德微创医疗科技有限公司 | A kind of adjustable medical surgical forceps of lockup state |
CN108814681A (en) * | 2018-04-23 | 2018-11-16 | 湖南瀚德微创医疗科技有限公司 | It is a kind of can unidirectional locking operation wrench structure |
CN108836646A (en) * | 2018-04-24 | 2018-11-20 | 北京航天控制仪器研究所 | A kind of quick locking and relieving mechanism of General stretcher |
-
2016
- 2016-08-26 CN CN201610736706.3A patent/CN106274574A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107264352A (en) * | 2017-06-20 | 2017-10-20 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of automotive seat pedipulator support mechanism with gear-adjustable |
CN108186218A (en) * | 2018-03-07 | 2018-06-22 | 中国人民解放军陆军军医大学第三附属医院(野战外科研究所) | It is a kind of can folding deformation multifunctional wheelchair |
CN108567468A (en) * | 2018-04-23 | 2018-09-25 | 湖南瀚德微创医疗科技有限公司 | A kind of adjustable medical surgical forceps of lockup state |
CN108814681A (en) * | 2018-04-23 | 2018-11-16 | 湖南瀚德微创医疗科技有限公司 | It is a kind of can unidirectional locking operation wrench structure |
CN108836646A (en) * | 2018-04-24 | 2018-11-20 | 北京航天控制仪器研究所 | A kind of quick locking and relieving mechanism of General stretcher |
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TA01 | Transfer of patent application right |
Effective date of registration: 20180308 Address after: 318000 Taizhou City, Zhejiang Province, South Road to the east section No. 9 Applicant after: Magna seating (Taizhou) Co. Ltd. Address before: 200233 Shanghai city Xuhui District Hong Cao Road, building A No. 88 unit 1 layer A Applicant before: Magna Automotive Technology (Shanghai) Co., Ltd. Xuhui branch |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |