CN208006770U - Seat easily enters unlocking mechanism - Google Patents

Abstract

The utility model discloses a kind of seats easily to enter unlocking mechanism, include the lower articulated slab being mutually hinged by main shaft and upper articulated slab, it is installed on upper articulated slab and easily enters upper plectrum, it is movably set on lower articulated slab and easily enters lower plectrum, further include that sliding rail solution locking plate of the turning set on main shaft enters solution locking plate with easy, wherein sliding rail solution locking plate and easily into lower plectrum can easily into upper plectrum drive under rotate clockwise simultaneously, easily into solution locking plate with easily into lower plectrum abut with limit easily enter lower plectrum rotate counterclockwise, make easily to be located at the front for easily rotating clockwise direction into upper plectrum into lower plectrum.Reduce the amount of parts of mechanism, and the recliner of seat can together be installed by preassembled form, coordinate assembling with seat again as whole, greatly improve its efficiency of assembling, it is distributed simultaneously by spatially stagger angle, more compact structure saves mechanism occupied space, widget is less, is conducive to extend its service life.

Description

Seat easily enters unlocking mechanism

Technical field

The utility model belongs to arta vehicle seat unit technical field, and in particular to a kind of seat easily enters unlocking mechanism.

Background technology

Automotive seat is the essential element of automobile, and for some SUV, MPV type cars, car is usually provided with three rows seat Chair, when driving, in order to which when more easily passenger enters three rows of seats or places article in seat, just usually requiring will be front-seat Seat fell or turned down certain angle and to Forward, to concede enough spaces, therefore be usually equipped on middle row seat chair easily Into unlocking mechanism, to realize resigning purpose, however the existing easy unlocking mechanism that enters is more complicated, such as Patent No. " 201410838503.6 ", in entitled " a kind of mechanism for falling backrest and unlocking seat slide simultaneously ", medium and small portion Part is more, increases assembly difficulty, greatly reduces efficiency of assembling, and since widget is more, during later stage use, more holds Fragile, reliability is poor because its again inside seat, repair replace trouble, may cause shorten using its mechanism seat The service life of chair.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of seat and easily enters unlocking mechanism, simplifies middle row seat The easy access mechanism of chair is more advantageous on its quick assembling to seat, and parts are less, are conducive to extend service life, simultaneously Reduce seat manufacturing cost.

To achieve the above object, technical solutions of the utility model are as follows：

A kind of seat easily enters unlocking mechanism, and key is：Include be mutually hinged by main shaft it is lower hinged Plate and upper articulated slab are installed on the upper articulated slab and easily enter upper plectrum, are movably set with easily to enter on lower articulated slab and set aside Piece further includes that sliding rail solution locking plate of the turning set on main shaft enters solution locking plate with easy, wherein under sliding rail solution locking plate and easy entrance Plectrum can simultaneously rotate clockwise under the drive easily into upper plectrum, easily enter solution locking plate and easily abutted into lower plectrum to limit System is easily rotated counterclockwise into lower plectrum, makes easily to be located at the front for easily rotating clockwise direction into upper plectrum into lower plectrum.

Using above scheme, can first be about to the mechanism and be assembled as a whole, and by recliner also with this The backrest frames of upper articulated slab and seat need to only be connected by mechanism cooperation installation when coordinating assembly with seat, and lower articulated slab It is connected with the seat cushion framework of seat and completes the assembly of the mechanism, substantially increase efficiency of assembling, and mechanism itself is wrapped The component contained is few, and production cost is relatively low, is also easier to ensure its later stage functional reliability and stability.

As preferred：The easy unlocking mechanism that enters further includes easily entering limited block, and the easy limited block that enters is installed in On lower articulated slab, and positioned at the front for easily rotating clockwise direction into lower plectrum, it is used to limit turn for easily entering lower plectrum Dynamic angle.Using above scheme, by being arranged limited block in different positions, it is clockwise easily to enter lower plectrum with acquisition difference Rotational angle meets the needs of different vehicle body spaces, is conducive to the scope of application for improving mechanism.

As preferred：The sliding rail unlock on piece corresponds to easily is equipped with shaft into lower plectrum position, described easily to enter upper group Piece is sleeved in the shaft, and lower plectrum is arranged in shaft and replys torsional spring, one end that the lower plectrum replys torsional spring acts on easily Into on piece is set aside, the other end acts on sliding rail unlock on piece；

The easy unlock on piece that enters has the lower plectrum stopper section and recliner trigger unit that articulated slab protrudes under equal face, The lower plectrum stopper section is easily rotated counterclockwise into lower plectrum in the case where lower plectrum replys torsional spring effect for preventing；

The sliding rail solution locking plate has the gearing stopper section that articulated slab protrudes under face, the gearing close to the position on top Stopper section is located at the rear that direction is easily rotated clockwise into lower plectrum, easily enters lower plectrum and is replied under torsional spring effect in lower plectrum It is abutted with stopper section is interlocked.

Using above scheme, can recliner and the mechanism be subjected to cooperation assembling when pre-assembled, be unlocked by sliding rail Piece and the easy entered function that seat is easily fast implemented into the linkage structure between lower plectrum, and it is quick by recliner trigger unit The recliner of unlock cooperation installation, can be such that backrest frames overturning is had an impact without the seat cushion framework to seat, between several persons It is interspersed by the way that space layer is folded so that the trend for forming mutually limitation or mutually driving again between each other is skillfully constructed.

As preferred：The easy unlocking mechanism that enters further includes sliding rail solution locking plate reset tension spring and easily enters to solve locking plate reset Tension spring, the both ends of the sliding rail solution locking plate reset tension spring are separately fixed at lower articulated slab and sliding rail unlock on piece, and towards sliding rail Solution locking plate rotates counterclockwise direction and applies pulling force to it, is easily separately fixed at lower articulated slab into the both ends of solution locking plate reset tension spring Enter unlock on piece with easy, and pulling force is applied to it towards easily direction is rotated clockwise into solution locking plate.Using the above structure, lead to It crosses sliding rail solution locking plate reset tension spring and easily enters and solve locking plate reset tension spring, it is sliding after seat can be made to complete the unlock of corresponding state Rail solution locking plate and the easy solution locking plate that enters are easier to reset under elastic reaction, do not interfere with the follow-up use of seat, further carry Its high reliability.

Easily enter control preferably to realize, a kind of more optimized structure for easily entering lower plectrum provided herein, The rear end for easily entering lower plectrum is in dovetail configuration, and the easy solution locking plate that enters makes in the case where easily entering solution locking plate reset tension spring effect Lower plectrum stopper section is abutted with the upside incline of dovetail configuration, applies the thrust rotated clockwise to it, and interlocks stopper section Madial wall is abutted with the downside incline of dovetail configuration, applies anticlockwise resistance to it.By will easily enter lower plectrum Rear end bifurcated realizes the purpose being related respectively with easy entrance solution locking plate and sliding rail solution locking plate on two planar, further Increase the compactedness of structure.

As preferred：Described easy one end for entering solution locking plate reset tension spring is detachably connected with lower plectrum stopper section, another End be easily detachably connected into limited block, it is described it is easy enter unlock on piece have abutting part, it is described it is easy enter solve locking plate easy Into under solution locking plate reset tension spring pulling force effect, the abutting part is abutted with easy into limited block.Using above scheme, work as installation After completion, recliner trigger unit is in the upside of recliner solution locking plate, it is ensured that can be very when easily being rotated counterclockwise into solution locking plate Fast triggering recliner solution locking plate ensures that lower plectrum stopper section can be by more effectively towards clockwise to unlock recliner The pulling force in direction, to easily playing position-limiting action into lower plectrum, prevent it from rotating counterclockwise, setting can relative reduction in this way To easily entering the pulling tension requirements of solution locking plate reset tension spring.

As preferred：Lower position block is additionally provided on the lower articulated slab, the lower position block is located at below sliding rail unlock piece, Described easy one end for entering solution locking plate reset tension spring and the lower end of sliding rail solution locking plate are detachably connected, and the other end can with lower position block Dismantling connection, the sliding rail unlock piece lower end abut under the easy pulling force effect for entering solution locking plate reset tension spring with lower position block. Using the above structure, rigidity limited support can be formed to sliding rail solution locking plate, avoided under the easy locking plate reset tension spring effect into solution Rotation is too many counterclockwise, and to it, rotatable range limits counterclockwise.

As preferred：The installation angle for easily entering upper plectrum and easily entering between lower plectrum is 30 °~35 °, Yi Jin It is 18 °~20 ° to enter the installation angle between lower plectrum and limited block.Using the above preferred angular range, seat can be made to reach Preferably easily enter state and be down flat state, is more advantageous to passenger and enters back seat or be put into article, increase the practicality.

As preferred：The installation angle for easily entering upper plectrum and easily entering between lower plectrum is 33.5 °, under easily entering Installation angle between plectrum and limited block is 19.5 °.Angle value more than selection, in use, the reliable skeleton of seat can be forward About 53 ° of overturning can make mechanism meet the needs of most of middle row seat chairs easily enter state, further increase its adaptability.

Compared with prior art, the utility model has the beneficial effects that：

Unlocking mechanism is easily entered using seat provided by the utility model, greatly reduces the amount of parts of mechanism, and And can be installed the recliner of seat together by preassembled form, coordinate assembling with seat again as whole, greatly improves Its efficiency of assembling, is distributed with when s by spatially stagger angle, and more compact structure saves mechanism occupied space, widget compared with It is few, it is conducive to extend its service life.

Description of the drawings

Fig. 1 is the mounting structure schematic diagram of the utility model；

Fig. 2 is the explosive view of mounting structure shown in Fig. 1；

Fig. 3 is another visual angle figure of explosive view shown in Fig. 2；

Fig. 4 is easily to enter lower plectrum structure schematic diagram；

Fig. 5 is easily to enter lower plectrum, sliding rail solution locking plate, easily enter solution locking plate and the signal of recliner solution lock sheet installation structure Figure；

Fig. 6 is the rearview of mounting structure shown in Fig. 5；

Fig. 7 is the mounting structure schematic diagram of the utility model on the seat；

Fig. 8 is partial enlarged view at A in Fig. 7；

Fig. 9 be when the utility model is used with each drag-line attachment structure schematic diagram；

Figure 10 is the drag-line attachment structure schematic diagram at another visual angle when the utility model is used；

Figure 11 is to make seat reach using the utility model easily to enter status architecture schematic diagram；

Figure 12 is partial enlarged view at B in Figure 11；

Figure 13 is to make seat reach using the utility model to be down flat status architecture schematic diagram；

Figure 14 is partial enlarged view at C in Figure 13.

Specific implementation mode

The utility model is described in further detail with attached drawing with reference to embodiments.

Referring to figs. 1 to Figure 14, it includes under plate-like structure that the seat of the utility model, which easily enters unlocking mechanism mainly, Articulated slab 10 and upper articulated slab 20 are located at one between 20 lower end of upper end and upper articulated slab of lower articulated slab 10 by the hinge of main shaft 41 It rises, is installed on upper articulated slab 20 and easily enters upper plectrum 50, be movably arranged on lower articulated slab 10 and easily enter lower plectrum 51, main shaft 41 are rotationally arranged with sliding rail solution locking plate 5a and easily enter solution locking plate 5b.

In the application, when assembling the easy entrance unlocking mechanism, while the recliner of seat 4 and its are coordinated into assembling, i.e., After being hinged by main shaft 41 between upper articulated slab 20 and lower articulated slab 10, recliner 4 is mounted on main shaft 41 with that, it is main Axis 41 is the rotary middle spindle of recliner 4 can unlock recliner 4 when main shaft 41 rotates, then again by sliding rail solution locking plate 5a With the easy outside for being successively set on recliner 4 into solution locking plate 5b, carried out with reference to cooperation mounting structure is carried out with recliner 4 Explanation：

Referring to figs. 1 to Fig. 6, it should be noted that Fig. 1 is the design point figure that the application easily enters unlocking mechanism, the i.e. machine State after the completion of structure normal mounting on the seat, is installed with annular mounting base 42 on main shaft 41, corresponding in annular mounting base 42 Sliding rail solution locking plate 5a is machined with annular groove with the position for solving locking plate 5b is easily entered, and sliding rail solution locking plate 5a enters both solution locking plate 5b with easy Then rotatably it is embedded in corresponding annular groove.

It is therein to be easily installed on articulated slab 20 into upper plectrum 50, as shown, and for opposite recliner 4, easily It is located at the top of corresponding recliner 4 into upper plectrum 50, and slightly towards the position of rear side, and easily enters the setting of lower plectrum 51 and exist On lower articulated slab 10, in the present embodiment, interlock installation by will easily enter lower plectrum 51 and sliding rail solution locking plate 5a, it can be achieved that easily into Enter function, as shown, sliding rail solution locking plate 5a is substantially in the small oval long plate structure in the big one end in one end, lower end is equipped with sliding rail solution Locking plate reset tension spring 53, upper end are installed with shaft 5a0, and shaft 5a0 is fixed at sliding rail solution locking plate 5a, can't occur to turn Dynamic, 4 side of shaft 5a0 faces recliner extends in the present embodiment, is easily then set on shaft 5a0, passes through into lower plectrum 51 Sliding rail solution locking plate 5a and the side wall of recliner 4 into lower plectrum 51 to easily forming the inside and outside structure being clamped, it is ensured that it can only be two It is rotated on shaft 5a0 between person, without being detached from shaft 5a0.

Position on lower articulated slab 10 below recliner 4 is equipped with lower position block 55, and lower position block 55 tilts backwards setting, And 53 one end of sliding rail solution locking plate reset tension spring is hooked on the end of sliding rail solution locking plate 5a, the other end is hooked on lower position block 55, Anticlockwise pulling force (here counterclockwise and following counterclockwise and clockwise with face is applied to sliding rail solution locking plate 5a When on the right side of seat subject to understood direction, such as it is arranged in left side outer wall, then the corresponding direction of motion is opposite) and make itself and lower limit Position block 55 abuts.

Referring to figs. 1 to Fig. 6, the upper end of sliding rail solution locking plate 5a forms gearing stopper section in the rear of plectrum 51 under easy enter 5a2, it is the raised block structure that articulated slab 10 extends under interior curved face to interlock stopper section 5a2, under the easy entrance in the present embodiment Plectrum 51 is substantially in pre-large post-small platy structure, and one end of heater is directed toward in the dovetail configuration of bifurcated, class in its rear end Like scissor-shaped, it is arranged with lower plectrum on shaft 5a0 and replys torsional spring 5a1, as shown, lower plectrum replys an end hook of torsional spring 5a1 The front end for easily entering lower plectrum 51 is hung over, the other end is then abutted with the bottom wall for interlocking stopper section 5a2, and lower plectrum replys torsional spring 5a1 To being easily continuously applied the elastic force with the trend that rotates counterclockwise into lower plectrum 51, and easily enter the downside side of 51 rear end of lower plectrum Rib 511 is in the downside for interlocking stopper section 5a2, then when easily being rotated clockwise into lower plectrum 51, downside incline 511 and gearing The bottom wall of stopper section 5a2 abuts, and can drive sliding rail solution locking plate 5a while rotate clockwise.

It, can be with auxiliary block referring to figs. 1 to Fig. 6, Figure 11 and Figure 12 of course for making the mechanism that there is good working order Chair, which is rapidly achieved, easily enters state, is additionally provided on lower articulated slab 10 and easily enters limited block 52, is located at and easily enter lower plectrum 51 The front rotated clockwise, to tilt platy structure from 10 surface outwardly convex of lower articulated slab, limited block 52 is mainly used for limiting The angle that can be easily rotated clockwise into lower plectrum 51 easily enters upper plectrum 50, easily enters lower plectrum 51 and easily enters limit in this way Angle installation each other is realized between 52 three of block of position, wherein easily entering upper plectrum 50 and easily entering lower plectrum 51 in upper articulated slab 20 On projection angle be 30 °~35 °, easily enter lower plectrum 51 and easily enter projection angle of the limited block 52 on upper articulated slab 20 It is 18 °~20 °, and in the application, consider torsional spring and later stage cable control stroke etc., preferably easily enters 50 He of upper plectrum The installation angle easily entered between lower plectrum 51 is 33.5 °, easily enters lower plectrum 51 and easily enters installation folder between limited block 52 Angle is 19.5 °, refers both to clockwise angle.

It is easily similar with sliding rail solution locking plate 5a into solution locking plate 5b general shapes referring to figs. 1 to Fig. 6, there is lower plectrum thereon Stopper section 5b0 and recliner trigger unit 5b1, lower plectrum stopper section 5b0 and recliner trigger unit 5b1 are that face recliner 4 is curved The raised platy structure extended is rolled over, and recliner trigger unit 5b1 is located at lower plectrum stopper section 5b0 and rotates counterclockwise front, Yi Jin Entering to solve locking plate 5b to be equipped with easily into locking plate reset tension spring 54 is solved, lower plectrum stopper section 5b0 is located at close to the position on top, and It is spatially in and easily enters upper plectrum 50 and easily enter between lower plectrum 51, the one end for easily entering solution locking plate reset tension spring 54 hooks On lower plectrum stopper section 5b0, the other end, which is hooked on, easily to be entered on limited block 52, and it is persistently right easily to enter solution locking plate reset tension spring 54 Easily apply the pulling force for making it have the trend of rotating clockwise into solution locking plate 5b, under its effect, lower plectrum stopper section 5b0 with easily Upside incline 510 into 51 rear end of lower plectrum abuts, and plays the role of inhibiting easily rotating counterclockwise into lower plectrum 51.

Simultaneously in order to extend solution locking plate reset tension spring 54 and lower plectrum replys the service life of torsional spring 5a1, thus easily into Enter to solve the lower section of locking plate 5b and be equipped with abutting part 5b2 close to the position of front side, abutting part 5b2 can just with easily enter limited block 52 It abuts, realizes that rigidity is supported to it.

Recliner trigger unit 5b1 is located at the upside of recliner solution locking plate 40, in the present embodiment, is resetted by preferably solving locking plate Tension spring 54, recliner trigger unit 5b1 are just abutted with recliner solution locking plate 40, when easily being rotated counterclockwise into solution locking plate 5b, Recliner solution locking plate 40 can be then driven immediately while being rotated counterclockwise, to unlock the recliner 4 of the side.

It is described in detail with reference to the concrete structure being mounted on seat：Rotation side wherein described in context To with by the right side for being easily mounted on seat into unlocking mechanism of the application, and reference person when seat right side in face of being understood Clockwise or counterclockwise be reference direction, when by the application easily installed into unlocking mechanism to the left side of seat when, In each component relative rotation direction it is then opposite.

Referring to figs. 1 to Figure 14, described seat includes mainly seat cushion framework 1, backrest frames 2 and sliding rail machine in the present embodiment Structure 3, sliding track mechanism 3 include mainly sliding rail 30 and sliding rail locking mechanism 31, and seat cushion framework 1 is slidably mounted on sliding rail 30, and according to It is locked by sliding rail locking mechanism 31.

It is easily installed what is be completed into unlocking mechanism on the right side of seat, upper end and the backrest frames 2 of upper articulated slab 20 Lower end be fixedly connected, and the rear end of seat cushion framework 1 is then fixedly connected with the lower end of lower articulated slab 10, seat in the present embodiment Left side is hinged also by recliner 4, and articulated slab 20 is overturn forward when backrest frames 2 are overturn forward and in drive in this way.

The application easily be installed on seat into unlocking mechanism after, pass through different drag-lines with outside control handle Connection, to realize that handle unlocks, seat, which is equipped with, easily enters handle 21, easily enters handle 21 and passes through a control cord connection control Two drag-lines are made, i.e. drag-line A22 and drag-line E23, drag-line A22 and drag-line E23 are separately connected the recliner lock of two recliners 4 again Piece 40, wherein the recliner solution locking plate 40 on right side is equipped with drag-line mounting portion A43, drag-line A22 far from easily into the one of handle 21 End is then fixed at drag-line mounting portion A43, in this way when moving easily into handle 21, you can while two recliners 4 are unlocked, make The function of overturning forward may be implemented in seat, and adjusts custom and general setting method in view of passenger is met, therefore can be considered will The shoulder position in backrest frames 2 easily is set into handle 21.

Other than easy entrance handle 21 above-mentioned, side handle 11, side handle are additionally provided in the side of seat cushion framework 1 11 controls simultaneously have drag-line C13 and drag-line D14, wherein drag-line C13 to be connect into solution locking plate 5b with easy, easily enter solution locking plate 5b's Lower end is equipped with drag-line mounting portion C5b3, drag-line C13 and is mounted at drag-line mounting portion C5b3 far from 11 one end of side handle, and drag-line D14 is then connect with the recliner solution locking plate 40 of left side recliner 4, in this way when control side handle 11 moves counterclockwise, drag-line D14 directly unlocks the recliner in left side 4, and drag-line C13 drives and easily rotated counterclockwise into solution locking plate 5b, recliner trigger unit 40 upside of recliner solution locking plate on 5b1 and right side abuts, drives it while rotating counterclockwise, and lower plectrum stopper section 5b0 and Easily enter lower plectrum 51 to separate, no longer it is stopped, easily enters lower plectrum 51 and occur to turn counterclockwise in lower plectrum reply torsional spring 5a1 It is dynamic, to make the peak for easily entering lower plectrum 51 be on the inside of the rotation circular path for easily entering upper plectrum 50, when by spine Frame 2 drives easily into upper plectrum 50 while when overturning forward, and the resistance for easily entering lower plectrum 51 is easily no longer influenced by into upper plectrum 50 Gear, 90 ° of the state that is down flat is overturn forward so as to make backrest frames 2 reach shown in Figure 13, easily entered at this time each in unlocking mechanism The relative position state of component is then as shown in figure 14.

Easily enter state as is illustrated by figs. 11 and 12 by easily controlling the present embodiment into handle 21 and working to reach, sliding rail solution The lower end of locking plate 5a is equipped with drag-line mounting portion B5a3, and drag-line B12 is connected at drag-line mounting portion B5a3, and drag-line B12 is logical It crosses branched form to connect with two sliding rail locking mechanisms 31 of 1 lower section of chair framework simultaneously, you can unlock simultaneously by drag-line B12 Two 31 structures of sliding rail locking mechanism.

Operating process is as follows, easily enters handle 21 by moving, drag-line A22 and drag-line E23 are directly by the recliner of both sides 4 It unlocks simultaneously, then backrest frames 2 is pushed to overturn forward, because the easy positions solution locking plate 5b that enter external at this time do not become Change so that easily keep in situ into lower plectrum 51, in easily entering on the rotation path of upper plectrum 50, in the present embodiment, when easy When rotating clockwise about 33.5 ° into upper plectrum 50, easily enter upper plectrum 50 and easily abutted into lower plectrum 51, drives it simultaneously It rotates clockwise, and easily enters downside incline 511 and sliding rail solution locking plate 5a of the lower plectrum 51 by its rear end dovetail configuration On gearing stopper section 5a2 abut, the two constitutes linkage structure, when easily being rotated clockwise into lower plectrum 51, sliding rail unlock Piece 5a is rotated clockwise simultaneously, and generates pulling force effect to drag-line B12, that is, realizes the unlock of rail structure 3, can be front and back Elapse seat cushion framework 1, position of the adjustment seat cushion framework 1 on sliding rail 30, after easily entering upper plectrum 50 and rotating 19.5 ° with it is easy It is abutted into limited block 52, then can not continue invertible back support skeleton 2, so that seat is reached and easily enter state.

Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make Expression, such transformation are each fallen within the scope of protection of the utility model as multiple types.

Claims (9)

1. a kind of seat easily enters unlocking mechanism, it is characterised in that：It include the lower hinge being mutually hinged by main shaft (41) Fishplate bar (10) and upper articulated slab (20) are installed on the upper articulated slab (20) and easily enter upper plectrum (50), lower articulated slab (10) On be movably set with and easily enter lower plectrum (51), the sliding rail solution locking plate (5a) for further including turning set on main shaft (41) and easily into Enter to solve locking plate (5b), wherein sliding rail solution locking plate (5a) and easily enter lower plectrum (51) can be in the case where easily entering the drive of upper plectrum (50) Rotate clockwise simultaneously, easily into solution locking plate (5b) and easily abutted into lower plectrum (51) with limit easily into lower plectrum (51) it is inverse Hour hands rotate, and make easily to enter lower plectrum (51) positioned at the front for easily rotating clockwise direction into upper plectrum (50).

2. seat according to claim 1 easily enters unlocking mechanism, it is characterised in that：It is described easy into unlocking mechanism (5) Further include easily entering limited block (52), the easy limited block (52) that enters is installed on lower articulated slab (10), and is entered positioned at easy Lower plectrum (51) rotates clockwise the front in direction, is used to limit the rotational angle for easily entering lower plectrum (51).

3. seat according to claim 2 easily enters unlocking mechanism, it is characterised in that：The sliding rail solution locking plate (5a) on pair Lower plectrum (51) position should easily be entered and be equipped with shaft (5a0), it is described to be easily sleeved in the shaft (5a0) into upper plectrum (50), Be arranged with lower plectrum in shaft (5a0) and reply torsional spring (5a1), one end that the lower plectrum replys torsional spring (5a1) act on easily into Enter on lower plectrum (51), the other end acts on sliding rail solution locking plate (5a)；

With the lower plectrum stopper section (5b0) of articulated slab (10) protrusion and angle modulation under equal face on the easy entrance solution locking plate (5b) Device trigger unit (5b1), the lower plectrum stopper section (5b0) is for preventing easily to enter lower plectrum (51) in lower plectrum reply torsional spring It is rotated counterclockwise under (5a1) effect；

The sliding rail solution locking plate (5a) has the gearing stopper section that articulated slab (10) protrudes under face close to the position on top (5a2), interlock stopper section (5a2) are located at the rear for easily rotating clockwise direction into lower plectrum (51), easily enter and set aside Piece (51) is replied in lower plectrum and is abutted with gearing stopper section (5a2) under torsional spring (5a1) acts on.

4. seat according to claim 3 easily enters unlocking mechanism, it is characterised in that：It is described easy into unlocking mechanism (5) Further include sliding rail solution locking plate reset tension spring (53) and easily enters solution locking plate reset tension spring (54), the sliding rail solution locking plate reset tension spring (53) both ends are separately fixed on lower articulated slab (10) and sliding rail solution locking plate (5a), and counterclockwise towards sliding rail solution locking plate (5a) Rotation direction applies pulling force to it, is easily separately fixed at lower articulated slab (10) and easy into the both ends of solution locking plate reset tension spring (54) Pulling force is applied to it on solution locking plate (5b), and towards easily direction is rotated clockwise into solution locking plate (5b).

5. seat according to claim 4 easily enters unlocking mechanism, it is characterised in that：It is described easily to enter lower plectrum (51) Rear end is in dovetail configuration, and the easy solution locking plate (5b) that enters makes lower plectrum in the case where easily entering solution locking plate reset tension spring (54) and acting on Stopper section (5b0) is abutted with the upside incline (510) of dovetail configuration, applies the thrust rotated clockwise to it, and interlocks backstop The madial wall in portion (5a2) is abutted with the downside incline (511) of dovetail configuration, applies anticlockwise resistance to it.

6. seat according to claim 4 easily enters unlocking mechanism, it is characterised in that：The easy solution locking plate that enters resets drawing One end of spring (54) is detachably connected with lower plectrum stopper section (5b0), and the other end is detachably connected with easy into limited block (52), It is described it is easy enter there is abutting part (5b2) in solution locking plate (5b), the easy solution locking plate (5b) that enters is resetted in the easy solution locking plate that enters Under tension spring (54) pulling force effect, the abutting part (5b2) abuts with easy into limited block (52).

7. the seat according to any one of claim 4-6 easily enters unlocking mechanism, it is characterised in that：It is described lower hinged Lower position block (55) is additionally provided on plate (10), the lower position block (55) is located at below sliding rail solution locking plate (5a), the easy entrance One end and the lower end of sliding rail solution locking plate (5a) of solution locking plate reset tension spring (54) are detachably connected, the other end and lower position block (55) Be detachably connected, the sliding rail solution locking plate lower end (5a) under the easy pulling force effect for entering solution locking plate reset tension spring (54) with lower limit Position block (55) abuts.

8. seat according to claim 2 easily enters unlocking mechanism, it is characterised in that：It is described easily enter upper plectrum (50) and The installation angle easily entered between lower plectrum (51) is 30 °~35 °, easily enters the peace between lower plectrum (51) and limited block (52) Clamping angle is 18 °~20 °.

9. seat according to claim 8 easily enters unlocking mechanism, it is characterised in that：It is described easily enter upper plectrum (50) and The installation angle easily entered between lower plectrum (51) is 33.5 °, easily enters the installation between lower plectrum (51) and limited block (52) Angle is 19.5 °.