CN206049442U - 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
- CN206049442U CN206049442U CN201620955726.5U CN201620955726U CN206049442U CN 206049442 U CN206049442 U CN 206049442U CN 201620955726 U CN201620955726 U CN 201620955726U CN 206049442 U CN206049442 U CN 206049442U
- Authority
- CN
- China
- Prior art keywords
- tooth
- locking tooth
- connecting plate
- plate
- lower connecting
- 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.)
- Active
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A kind of adjusting mechanism for leg support of seat of this utility model, its upper junction plate and lower connecting plate rotate connection by the fixing axle for being fixed on upper junction plate, and be connected in fixing axle big wind spring, and its outer end is hooked in be fixed on the pin of lower connecting plate；Upper junction plate has one end to be provided with convex locking tooth；There is tooth plate to rotate by bearing pin with lower connecting plate to be connected, the upper side edge of tooth plate sets the recessed locking tooth that can be engaged with convex locking tooth；The lower side of tooth plate sets front rib and rear hypotenuse；There is unblock cam to be connected by axis of rotation with lower connecting plate, one end of rotating shaft is fixed with handle, the upper end of unblock 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 after the opposite side of shift fork is extrudable, hypotenuse makes recessed locking tooth snap in convex locking tooth；There is convex hook the lower end of unblock cam, and little wind spring is connected on lower connecting plate by steady pin, and the outer end of little wind spring is buckled in convex hook.This utility model is terse, convenient, motor-driven and reliable, is particularly suited for leg support of seat device.
Description
Technical field：
This utility model is related to armchair structure technical field, and in particular to a kind of regulation technology of leg support of seat.
Background technology：
, on all kinds of cars, especially just in popularization and application on luxurious car, the device can for current automotive seat leg support device
Support is provided with the leg to occupant, alleviates the discomfort taken, for the comfortableness for improving chair legs has preferably help.
But the leg support of seat device of prior art adopts quadric chain, gas spring mechanism, or leading screw, turbine and worm mechanism to pass mostly
Dynamic to adjust, 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, a kind of adjusting mechanism for leg support of seat is disclosed, including the sliding block being fixedly linked on seat support basin, leg support lid
Plate is located at the top of sliding block, and under making leg support cover plate relative along the longitudinal direction when unblock is provided between leg support cover plate and sliding block
Leg support cover plate and the relatively-stationary unblock of sliding block and lockable mechanism are made when slide block slip, locking, the startup of unblock is by bracing wire control
System.The patent utilization slide block is adjusted, and it is then the structure of this utilization bracing wire and slide block by bracing wire and linkage to operate,
Neither terse and unreliable, poor for applicability, effect is unsatisfactory.
Utility model content：
The purpose of this utility model is that the structure bulky existing for the automotive seat leg support device for overcoming prior art is numerous
Miscellaneous, effect is unsatisfactory, defect poor for applicability, there is provided a kind of terse, compact, convenient, motor-driven and reliable seat leg
Rest device.
The purpose of this utility model is achieved through the following technical solutions.
A kind of adjusting mechanism for leg support of seat, upper junction plate and lower connecting plate are rotated by the fixing axle for being fixed on upper junction plate
Connection, is fixed with big wind spring in fixing axle, 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；Have a tooth plate and lower connecting plate to rotate by bearing pin to be connected, tooth plate it is upper
Side is provided with the recessed locking tooth that can be engaged 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 for 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 after the opposite side of shift fork is extrudable, hypotenuse makes recessed
Locking tooth snaps in convex locking tooth；There is convex hook the lower end of unblock 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 in the convex hook.
In the case of usually, as little wind spring oppresses unblock cam always, just top pressure exists the rear hypotenuse of unblock cam always
The rear hypotenuse of tooth plate, so as to ensure that tooth plate keeps up compressing upper junction plate, that is, keeps recessed locking tooth and convex locking tooth to be in and nibbles
Conjunction state, makes leg support keep the orientation of the determination in having regulated.
If pulling handle, unblock cam pushes little wind spring open, and the shift fork for unlocking cam compresses the front rib of tooth plate, tooth plate
The convex locking tooth of disengaging is rotated down, i.e., mechanism is in unblock and adjustment state.Regulation finishes release handle, and reset is locked again
It is fixed.
This utility model mechanism is substantially to increase by three components:One tooth plate, a unblock cam, another part rouleau
Spring.Upper junction plate simply is given to change a social system and becomes the structure with convex locking tooth arbitrarily to adjust angle.Little spring coiling resetting is used,
With unblock cam unblock, locked with tooth plate.This mechanism is extremely terse, very convenient, very reliable and with low cost.
Preferred version, convex locking tooth are more than 90 ° relative to the rotational angle of recessed locking tooth.Occupant will to the angle of leg support
Ask, usually require that leg support arbitrarily can be adjusted from plumbness to horizontality, be exactly will at least have the regulation not less than 90 °
Scope.Recessed locking tooth is assumed for virtual motionless, convex locking tooth is rotated relative to recessed locking tooth, convex locking tooth is from one extremely to another
One extreme, more than 90 ° and be able to can continue to keep engaging with recessed locking tooth, then its function can just meet use requirement.
Preferred version, the connecting portion of the steady pin and lower connecting plate is semicircular structure, its with lower connecting plate in the middle part of
The hole cooperation of corresponding semicircular structure is fixedly connected.It is connected pin to connect little wind spring, lower connection in the middle part of lower connecting plate
The top connection tooth plate of plate, 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 are hooked on the pin of the T prefix shapes being fixed on lower connecting plate.
Preferred version, upper junction plate are fixedly connected with the chair seat of seat, and lower connecting plate is welded with the leg support upper end of seat
Connect in succession.
The minimum teeth number of preferred version, convex locking tooth or recessed locking tooth presses the determination of component minimum intensity.
The profile of tooth of preferred version, convex locking tooth and recessed locking tooth is triangular tooth, trapezoidal toothed or involute profile.
Preferred version, governor motion are symmetrically respectively provided with one in the left and right sides of seat, wherein described rotating shaft is shared one
Root.
The beneficial effects of the utility model are：
1st, by unclamping tooth plate, it is possible to rotate lower connecting plate, that is, rotate the angle of leg support, adjust and lock all very square
Just；
As long as the 2, rotating the i.e. rotatable unblock cam of handle, unclamp tooth plate and adjust leg support orientation, simple to operate, quick,
It is reliable；
3rd, it is provided with big wind spring auxiliary to rotate, adjusts easily laborsaving；
4th, simple structure, shared space are very little, low cost of manufacture；
5th, it is durable to be hardly damaged；
6th, governor motion or so respectively has one, and mechanism's stress equalization is easy to adjust, prevents distortion or clamping stagnation.
Description of the drawings：
Accompanying drawing 1 is a kind of example structure schematic diagram of the present utility model；
Schematic rear view of the accompanying drawing 2 for Fig. 1；
Accompanying drawing 3 is mechanism and seat and leg support connection diagram；
Accompanying drawing 4 regards schematic diagram for the right side of Fig. 3.
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；Hypotenuse 44 afterwards；Unblock 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.
Specific embodiment：
This utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：As 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 rotates connection, and big wind spring 3 is fixed with fixing axle 12, 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 for arc-shaped structure and is provided with convex locking tooth 11；Have a tooth plate 4 with
Lower connecting plate 2 rotates connection by bearing pin 41, and the upper side edge of tooth plate 4 is provided with the recessed locking tooth 42 that can be engaged with convex locking tooth 11；
The lower side of tooth plate 4 is provided with front rib 43 and rear hypotenuse 44；There is a unblock cam 5 to rotate by rotating shaft 51 with lower connecting plate 2 to connect
Connect, one end of rotating shaft 51 is fixedly connected with handle 6, and the upper end for 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 after the opposite side of shift fork 52 is extrudable, hypotenuse 44 makes recessed locking tooth 42
Snap in convex locking tooth 11；There is convex hook 53 lower end of unblock 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 in the convex hook 53.
In the case of usually, due to the cam 5 of crimped unblock always of little wind spring 7, the rear hypotenuse 44 for unlocking cam 5 is just pushed up always
The rear hypotenuse 44 of tooth plate 4 is pressed in, so as to ensure that tooth plate 4 up compresses upper junction plate 1 always, that is, recessed locking tooth 42 and convex lock is kept
Only tooth 11 is in engagement, makes orientation of the leg support 8 in regulated determination.If pulling handle 6, cam 5 is unlocked
Push little wind spring 7 open, the shift fork 52 for 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.Regulation finishes release handle 6, and reset is relocked.
Convex locking tooth 11 is more than 90 ° relative to the rotational angle of recessed locking tooth 42.Angle requirement of the occupant to leg support 8,
Usually require that leg support 8 arbitrarily can be adjusted from plumbness to horizontality, be exactly will at least have the regulation model not less than 90 °
Enclose.Assume that recessed locking tooth 42 is virtual motionless, convex locking tooth 11 is rotated relative to recessed locking tooth 42, and convex locking tooth 11 is from a pole
Hold another extremely, more than 90 ° and be able to can continue to keep engaging with recessed locking tooth 42, then its function can just meet to use and want
Ask, substantially, it is contemplated that both ends there will be enough engagement registrations, so need to make rotational angle more than 90 °, the present embodiment
For 120 °.
Steady pin 71 is semicircular structure 72 with the connecting portion of lower connecting plate 2, and which corresponding with the middle part of lower connecting plate 2 half
The hole cooperation of circular configuration is fixedly connected.The middle part of lower connecting plate 2 is connected 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 the gravity and 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 shapes being fixed on lower connecting plate 2, T prefix shapes
Pin 21 can anti-locking hook.
Upper junction plate 1 is fixedly connected with the chair seat 9 of seat, and spiral shell can be used in 8 upper end of leg support of lower connecting plate 2 and seat
Nail connection, 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 various profiles of tooth, the present embodiment
For involute profile.
The minimum teeth number of convex locking tooth 11 or recessed locking tooth 42 press component minimum intensity determination, minimum teeth number not only with rotation
Angle is relevant, also relevant with the width of the modulus of tooth, tooth, and low module intensity is relatively low, but adjust can be finer, large modulus then phase
Instead, it is to be disposed according to the concrete analysis of different application occasion different vehicle concrete condition respectively in a word.
Governor motion is symmetrically respectively provided with one in the left and right sides of seat, but the rotating shaft 51 shares one to share one
Rotating shaft 51, no matter then on left side or right side, as long as pulling handle 6, just energy bilateral is unlocked simultaneously and is adjusted.Handle 6 unclamps,
The little wind spring 7 of bilateral is again while locking device.
This utility model adjusting mechanism for leg support of seat, it is very convenient with adjusting, it is simple to operate, quick, light, reliable,
Take up room little advantage.If those skilled in the art makees simple modification or replaces to above-mentioned utility model content, this
The change of sample is not to be regarded as a departure from scope of the present utility model, all so obvious to those skilled in the art
Modification is included within the scope of claim of the present utility model.
Claims (8)
1. a kind of adjusting mechanism for leg support of seat, is characterized in that, upper junction plate and lower connecting plate are by being fixed on consolidating for upper junction plate
Fixed-axis rotation connects, and big wind spring is fixed with fixing axle, 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 for arc-shaped structure and is provided with convex locking tooth；There is a tooth plate to rotate by bearing pin with lower connecting plate to be connected,
The upper side edge of tooth plate is provided with the recessed locking tooth that can be engaged with convex locking tooth；The lower side of tooth plate is provided with front rib and rear hypotenuse；Have
One unblock 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
Shift fork is provided with, and the side of shift fork can compress front rib and convex locking tooth be disengaged it to rotate tooth plate, and the opposite side of shift fork can extrude
Hypotenuse makes recessed locking tooth snap in convex locking tooth afterwards；There is convex hook the lower end of unblock 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 in the convex hook.
2. a kind of adjusting mechanism for leg support of seat according to claim 1, is characterized in that, convex locking tooth is relative to recessed locking tooth
Rotational angle be more than 90 °.
3. a kind of adjusting mechanism for leg support of seat according to claim 2, is characterized in that, the steady pin and lower connecting plate
Connecting portion is semicircular structure, and the hole cooperation of its semicircular structure corresponding with the middle part of lower connecting plate is fixedly connected.
4. a kind of adjusting mechanism for leg support of seat according to claim 3, is characterized in that, the outer end of big wind spring is hooked on fixation
On the pin of the T prefix shapes on lower connecting plate.
5. a kind of adjusting mechanism for leg support of seat according to claim 1,2,3 or 4, is characterized in that, upper junction plate and seat
Chair seat be fixedly connected, lower connecting plate is welded to connect with the leg support upper end of seat.
6. a kind of adjusting mechanism for leg support of seat according to claim 5, is characterized in that, convex locking tooth or recessed locking tooth are most
Few number of teeth presses the determination of component minimum intensity.
7. a kind of adjusting mechanism for leg support of seat 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.
8. a kind of adjusting mechanism for leg support of seat according to claim 7, is characterized in that, left and right sides of the governor motion in seat
One is respectively provided with symmetrically, wherein described rotating shaft is shared one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955726.5U CN206049442U (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 |
|---|---|---|---|
| CN201620955726.5U CN206049442U (en) | 2016-08-26 | 2016-08-26 | A kind of adjusting mechanism for leg support of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049442U true CN206049442U (en) | 2017-03-29 |
Family
ID=58381907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620955726.5U Active CN206049442U (en) | 2016-08-26 | 2016-08-26 | A kind of adjusting mechanism for leg support of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049442U (en) |
-
2016
- 2016-08-26 CN CN201620955726.5U patent/CN206049442U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106274574A (en) | A kind of adjusting mechanism for leg support of seat | |
| CN101243922B (en) | Device for regulating chair angle | |
| CN104249638B (en) | Seat and the commerial vehicle with at least one seat | |
| CN206049442U (en) | A kind of adjusting mechanism for leg support of seat | |
| CN211663321U (en) | Baby carriage with adjustable gears of seat backrest group and foldable armrests | |
| CN205327285U (en) | Folding electric bicycle's rear wheel beta structure | |
| CN204548352U (en) | The wheel of folding electric bicycle folds locking structure | |
| CN203511356U (en) | Single lock type folder for car seat | |
| CN203358654U (en) | Pedal plate angle adjustment device of baby carriage | |
| CN206675312U (en) | The automatic reset structure of stow-away arm rest | |
| CN205997948U (en) | A kind of doll carriage of foldable locking | |
| CN213046162U (en) | Hanging basket chair with foot supports | |
| CN205326847U (en) | Head of children's car seat holds in palm adjustment mechanism and children's car seat | |
| CN209037497U (en) | A kind of bicycle fixing rack | |
| CN201419725Y (en) | Adjusting and positioning structure of awning bracket of baby carriage | |
| CN103692942B (en) | Automotive seat can multistage adjustment and automatically return the foot board turnover mechanism of position | |
| CN201400214Y (en) | Backrest adjusting mechanism of stroller and stroller using same | |
| CN207072270U (en) | Optimize the sliding rail of automobile seat of lockable mechanism | |
| CN202557350U (en) | Automobile seat turning mechanism | |
| CN219270328U (en) | Integrated sliding engagement piece | |
| CN215204528U (en) | Folding chair for public transport means | |
| CN209274420U (en) | Multi-functional commutation locking device | |
| CN206012690U (en) | Petal of baby carriage rod connecting device | |
| CN109455217A (en) | The perambulator that seat can be moved forward and backward | |
| CN209553286U (en) | The perambulator that seat can be moved forward and backward |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180308 Address after: 318000 Taizhou City, Zhejiang Province, South Road to the east section No. 9 Patentee after: Magna seating (Taizhou) Co. Ltd. Address before: 200233 Shanghai city Xuhui District Hong Cao Road, building A No. 88 unit 1 layer A Patentee before: Magna Automotive Technology (Shanghai) Co., Ltd. Xuhui branch |
|
| TR01 | Transfer of patent right |