A kind of convenient unlocking mechanism of taking a seat
Technical field
The present invention relates to automotive seating art field, and in particular to the convenient unlocking mechanism design of taking a seat on a kind of seat,
The linkage of unlocking to flip an angle forward with slide rail of seat can be realized.
Background technology
At present, automobile turns into the vehicles essential in people's daily life, functional requirement of the people to automobile
Also can more and more higher.Automotive seat is no exception as the important component of vehicle, with the arriving in two tire epoch, seven
SUV is even more to turn into a kind of trend, for seven SUV, three row's passenger getting on/off problems, always is client's problem of concern.
For the problem of getting on or off the bus of three row passengers, many cars do not design convenient function of taking a seat, it is necessary to adjust backrest manually
Afterwards, then manually slide rail is pulled, the people of three rows could be allowed to pass in and out, it is very inconvenient;Also some cars sacrifice the space of two rows, by two row's seats
Chair is separated, and centre reserves three row's access ways, and significant wastage is caused to taking space.
The content of the invention
In order to solve the technical problem of seven row's passenger getting on/off insufficient spaces of SUV tri-, the present invention provide it is a kind of it is convenient enter
Seat unlocking mechanism, realize unblock backrest while, slide rail linkage of unlocking, easily realize getting on or off the bus for three row passengers, both facilitate or
Fast, and seating space will not be wasted, the cost that mechanism realizes is cheap, is widely used in car, commercial vehicle etc. and contains multiple rows of seat
The vehicle of chair.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of convenient unlocking mechanism of taking a seat, including solution lock box, singly enter it is double go out wire drawing, shifting block torsion spring mechanism and sliding block torsion spring machine
Structure, the solution lock box is interior to be connected by release lever with singly entering pair import for going out wire drawing, described singly to enter pair outlet for going out wire drawing point
Into shifting block wire drawing and recliner unblock wire drawing, the first shifting block is set, on the sliding block torsion spring mechanism on the shifting block torsion spring mechanism
Sliding block and the second shifting block are provided with, the backing pin for contacting the first shifting block, the shifting block wire drawing and first are provided with the sliding block
Shifting block connects, and first shifting block of shifting block wire drawing stretchy band movable slider moves upwards, and the recliner unblock wire drawing is used to connect
Backrest recliner, recliner unblock wire drawing can unlock recliner and drive to lean against to rotate forward to be joined with sliding block and the second shifting block
Dynamic, second shifting block can unlock wire drawing unlocking sliding rail assembly by slide rail.
Further, the shifting block torsion spring mechanism includes the first mechanism body, is provided with and is used in first mechanism body
The first torsion spring and the first catch point of spacing first shifting block, offer in the first mechanism body and first slided for penetrate the backing pin
Groove.
Further, the sliding block torsion spring mechanism includes the second mechanism body, is provided with and is used in second mechanism body
The second torsion spring and the second catch point of spacing second shifting block, the second chute for penetrating the backing pin is offered in the second mechanism.
Further, the sliding block includes a pair of slide plates connected by bearing pin, and second shifting block is located at two slide plates
Between, the 3rd chute for penetrating bearing pin is offered on second shifting block.
Preferably, it is provided with the 3rd torsion spring outside the bearing pin.
From above technical scheme, the present invention is by the linkage of mechanism, on the premise of two row's chair turnovers are not influenceed,
The unblock for turning down certain angle and slide rail forward of backrest is realized, enough spaces are conceded for three row's passenger getting on/offs;Simultaneously should
Normal be laid flat that mechanism does not influence two row's backrests is adjusted with backrest angle, can not influence sliding under the normal condition of slide rail and
Work, the mechanism must are fulfilled for the requirement of fatigue and noise, and run smooth no clamping stagnation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention, and shows the installation site of backrest;
Fig. 2 is the assembling schematic diagram of the present invention;
Fig. 3 is the structural representation of shifting block torsion spring mechanism in the present invention;
Fig. 4 is the structural representation of sliding block torsion spring mechanism in the present invention;
Fig. 5 is the connection diagram of sliding block and the second shifting block in the present invention.
In figure:10th, solve lock box, 11, release lever, 20, singly enter it is double go out wire drawing, 21, shifting block wire drawing, 22, recliner unblock
Wire drawing, 30, shifting block torsion spring mechanism, the 31, first shifting block, the 32, first mechanism body, the 33, first torsion spring, the 34, first catch point, 35,
First chute, 40, sliding block torsion spring mechanism, 41, sliding block, 411, bearing pin, 412, slide plate, the 413, the 3rd torsion spring, the 42, second shifting block,
421st, the 3rd chute, 43, backing pin, the 44, second mechanism body, the 45, second torsion spring, the 46, second catch point, the 47, second chute, 50,
Backrest, 51, backrest shelves point, 60, backrest recliner, 70, sliding rail assembly, 71, slide rail unblock wire drawing.
Embodiment
A kind of preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the convenient unlocking mechanism of taking a seat include solution lock box 10, singly enter it is double go out wire drawing 20, shifting block torsion spring
Mechanism 30 and sliding block torsion spring mechanism 40.The solution lock box 10 is arranged on the top of backrest 50, facilitates the 3rd row's passenger operation,
Release lever 11 is provided with the solution lock box, the release lever is connected with singly entering pair import for going out wire drawing 20.It is described singly enter it is double go out
The outlet of wire drawing 20 is divided into shifting block wire drawing 21 and recliner unblock wire drawing 22, and shifting block wire drawing 21 is used to connect shifting block torsion spring mechanism
30, recliner unblock wire drawing 22 is connected to backrest recliner 60, for driving backrest in the presence of leaf spring power, along rotation
Turn center to turn down forward, unlock backrest while, using backrest restoring force drive slide rail unblock, realize backrest folding and
The synchronization of slide rail unblock, three row passengers promote seat, smoothly realize and get on or off the bus.
As shown in figure 3, the shifting block torsion spring mechanism 30 includes the first mechanism body 32 and the first shifting block 31, first mechanism
The first torsion spring 33 and the first catch point 34 for spacing first shifting block are provided with body, wherein the first shifting block passes through rotating shaft and the
One mechanism body is rotatablely connected, and first gear point is fixedly connected in the first mechanism body.The shifting block wire drawing 21 with this first group
Block connects, and the first shifting block can rotate within the specific limits under the drive of shifting block wire drawing, and can carry out returning certainly by the first torsion spring
It is multiple.
As shown in figure 4, the sliding block torsion spring mechanism 40 includes the second mechanism body 44, the shifting block 42 of sliding block 41 and second, should
It is provided with second mechanism body and leads to for the second torsion spring 45 of spacing second shifting block and the second catch point 46, one end of the second shifting block
Cross slide rail unblock wire drawing 71 to be connected with sliding rail assembly 70, sliding rail assembly can be unlocked.
The backing pin 43 for contacting the first shifting block 31 is provided with the sliding block 41, the shifting block wire drawing 21 pulls first group
Block rotates, and can be moved upwards with movable slider by backing pin, and the recliner unblock wire drawing 22 can unlock backrest recliner 60, so as to
Drive leans against rotation forward and linked with the shifting block 42 of sliding block 41 and second, and second shifting block 42 can unlock wire drawing by slide rail
71 unlocking sliding rail assemblies 70.
Offered respectively in the mechanism body 44 of first mechanism body 32 and second for penetrate the backing pin 43
One chute 35 and the second chute 47.
The sliding block 41 includes a pair of slide plates 412 connected by bearing pin 411, and second shifting block 42 is located at two slide plates
Between, the 3rd chute 421 for penetrating bearing pin 411 is offered on second shifting block, is provided with outside the bearing pin 411 for carrying
For the 3rd torsion spring 413 of restoring force, reference picture 5, the Half-edge Structure of sliding block 41 is merely illustrated in figure.
The motion of the present invention is divided into two parts:Releasing process and recovery process.
Releasing process:Backrest recliner 60 is unlocked, backrest 50 rotates to forward certain position, and sliding rail assembly 70 is synchronous
Unblock, specific operation process are as follows:
1st, pull the release lever 11 of solution lock box 10, by singly enter it is double go out wire drawing 20 be coupled, one end is delivered to backrest angle modulation
On the release lever of device 60, one end is delivered on shifting block torsion spring mechanism 30;
2nd, recliner unblock wire drawing 22 outlet is attached on the release lever of backrest recliner 60, unlocks recliner, seat
Backrest 50 turns down forward in the presence of leaf spring power, along pivot;
3rd, the outlet of shifting block wire drawing 21 is attached to above shifting block torsion spring mechanism 40, pulls the first shifting block 31 to overcome the first torsion spring 33
Torsion, along central axis, turn to when being contacted with the sliding block of sliding block torsion spring mechanism 40 41, promote sliding block to move upwards,
So that backrest 50 can touch sliding block 41 forward in rotary course;
4th, forward, band movable slider torsion spring mechanism 40 links backrest 50 in motion process, concrete methods of realizing:Seat
Backrest 50 moves forward, and its backrest shelves point 51 contacts with sliding block 41, pushes down sliding block, overcomes the resistance of the 3rd torsion spring 413, by sliding block
The maximum sliding stroke of sliding block is pressed onto always;Now sliding block 41 reaches maximum position in the 3rd chute 421 of the second shifting block, no
Slide again, the shifting block of sliding block 41 and second connects 42 integral, is rotated around central shaft;The client link of second shifting block 42 1 sliding
Rail unlocks wire drawing 71, drives slide rail unblock wire drawing campaign, unlocking sliding rail assembly 70.
Recovery process:The release lever 11 of solution lock box is unclamped, the release lever of backrest recliner 60 is replied, and promotes seat to lean on
The back of the body 50 moves backward, and recliner locking, all mechanisms return to initial position, and sliding rail assembly 70 returns to locking.
1st, unclamp the release lever 11 of solution lock box, singly enter it is double go out wire drawing 20 recover the state that do not stress, the angle modulation of wire drawing outlet end
The release lever of device is returned to original position, and recliner returns to non-released state, while the wire drawing outlet other end is applied to shifting block torsion
Power on first shifting block 31 of spring mechanism eliminates;
2nd, backrest 50 is promoted, overcomes leaf spring power to rotate backward, backrest is become to separate by contact gradually with sliding block,
When completing separation, recliner reaches lock position;
3rd, the first shifting block 31 loses wire drawing power, in the presence of the first torsion spring 33, returns to original state, by first grade of point
34 limit;
4th, the sliding block 41 above sliding block torsion spring mechanism loses the pressure of backrest, extensive in the presence of the 3rd torsion spring 413
Original state is arrived again, is limited by the 3rd chute 421 of the second shifting block;
5th, the second shifting block 42 above sliding block torsion spring mechanism loses the pressure of backrest, in the effect of the second torsion spring 45
Under, original state is returned to, is limited by the second block 46;
6th, slide rail unblock wire drawing 71 loses pulling force, and sliding rail assembly 70 recovers lockup state.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.